Contents
1. ID ISITEP_D5 1 1_20140609_V1 2 ISITE ESI Encrypted Short Identity GMO Gateway Mode Operation GNSS Global Navigation Satellite System GTSI Group TETRA Subscriber Identity HMI Human Machine Interface IOP Interoperability Profile IP Internet Protocol ISI Inter System Interface ISSI Individual Short Subscriber Identity ITSI Individual TETRA Subscriber Identity KMC Key Management Center KSS Key Stream Segment MCC Mobile Country Code MNC Mobile Network Code MoU Memorandum of Understanding MNI Mobile Network Identity MS Mobile Station MT Mobile Terminal NGN Next Generation Network OTAR Over The Air Rekeying PC Professional Computer PDA Personal Digital Assistant PEI Peripheral Equipment Interface PMR Professional Private Mobile Radio PPDR Public Protection and Disaster Relief PS Public Safety PSTN Public Switched Telecommunications Network RMO Repeater Mode Operation RS Random Seed RSSI Received Signal Strength Indication SCK Static Cipher Key SDS Short Data Service SFPG Security and Fraud Prevention Group SIM Subscriber Identity Module SM Security Manager SST Semantic and Syntactic Translator SwMI Switching and Management Infrastructure TAA1 TETRA Authentication and key management Algorithm suite 1 TE Terminal Equipment TEAx TETRA Encryption Algorithm number x TEDS TETRA Enhanced Data2. 4 Parameterization of terminal services and rights for visited network In visited networks visiting terminal user and service rights are typically limited due to security and privacy reasons In addition to the list of visiting networks visiting network parameters are also to be pre programmed for each visiting network Default parameter values have to be used in case of Date 9 06 2014 Approval status Approved Page 17 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee w ID ISITEP_D5 1 1_20140609_V1 2 ISITEP missing parameterization The meaning of TETRA status values may vary between networks the parameter profile could also convert TETRA status values to those used in visited network when status is sent to visiting network users or dispatchers 5 End to end encryption e2ee services in visited networks Some PMR networks use e2ee for all group and individual voice communications This raises problems in connecting to other PMR networks that use different e2ee or do not use it in voice communications When making a phone call to a network where e2ee is not used as default the call should be initiated in clear mode When receiving a call the terminal should automatically adapt its settings to the received call encryption mode The same applies to group calls Typically automati
3. 9 06 2014 Approval status Approved Page 31 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 cite The radio user shall know which is the SwiMi the radio is attached to Applicable To UI amp BL Discussion Open issues 1 ID Description I ETR FUN 4 q_ User Interface should display only the available talkgroups or at least it shall display the available talk groups differently from the not available ones Rationale The radio user shall know which are the talk groups available in the serving SwiMi Applicable To Ul amp BL Discussion Open issues 1 ID Description ETR FUN 5 q_ The migrating radio shall be able to automatically select the group used in the visited network Rationale When the radio migrates to a visited network it could be possible that the group in the visited network that is statically linked to the group in the home network have a different GSSI In order to avoid any user manipulation on the migrating radio the group selection shall be made automatically by the terminal Applicable To Ul amp BL Discussion Open issues 1 ID Description ETR FUN 6 q_ User Interface shall display if t
4. with respect to TTT e ais a progressive letter used in case of more than one specification belonging to the same N level Code Type Description FUN Functional Requirements that define what the product shall perform in order to conform to the needs mission statement or requirements of the user MIS Mission Requirements related to a task a function a constraint or an action induced by the mission scenario INT Interface Requirements related to the interconnection or relationship characteristics between the product and other items OPE Operational Requirements related to the system operations and maintenance HUM Human Factor Requirements related to a product or a process adapted to human capabilities considering basic human characteristics CNF Configuration Requirements related to the composition of the product or its organization DES Design Requirements related to the imposed design and construction standards such as design standards selection list of components or materials interchangeability safety or margins Table 1 possible values for TTT in the requirements code The ISITEP Terminal is composed by different sub elements each requirement may impact one more of these sub elements in the following table all the sub elements are listed or Sub Element Abbreviation Smart Device SDev TETRA Modem TETRA TETRAPOL Modem TETRAPOL Ada
5. 2014 Approval status Approved Page 40 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ote order list shall be translated at network side The EME _ network side application shall provide real time translation between the language used by the sender and the receiver The receiving EME terminal side application is in charge to ask for real time translation service to the EME network side application Rationale Real time translation requires interaction with an up to date professional language translator that would map any language to any language Considering that new orders not considered in standard procedures should be rare it is feasible that the real time translation is provided by a network side application Applicable To Network Terminal Discussion Open issues 1 Date 9 06 2014 Approval status Approved Page 41 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee w ID ISITEP_D5 1 1_20140609_V1 2 ISITEP 6 CONCLUSIONS This document has presented an analysis of the following points e PPDR user needs focusing on both security and end user req
6. ISITEP framework Applicable To TETRA Discussion Open issues 1 ID Description I ETR FUN 1 c TETRAPOL Modem shall be compliant with TETRAPOL PAS PAS 0001 Part 1General Network Design PAS 0001 Part 2 Radio Air interface PAS 0001 Part 3 Air Interface Protocol PAS 0001 Part 7 Codec PAS 0001 Part 8 Radio conformance tests Date 9 06 2014 Approval status Approved Page 24 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 cite PAS 0001 Part 9 Air interface Protocol conformance tests PAS 0001 Part 10 Inter System Interface PAS 0001 Part 13 User Data Terminal to System Terminal interface PAS 0001 Part 16 Security PAS 0001 Part 19 2 System Terminal Control Protocol Rationale These are prerequisites for the TETRAPOL modem to operate within TETRAPOL networks The requirement is expressed in order to agree with the set of features that shall be available in the ISITEP framework Applicable To TETRAPOL Discussion Open issues 1 Limitation to a subset of features could be an option eg Focusing on some of the different types of Group communications 5 2 Interface Requirements ID Description ETR INT 1 a The TE
7. Logic Manager WP 5 6 Date 9 06 2014 Approval status Approved Page 5 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 oie 2 DEFINITIONS AND ABBREVIATIONS 2 1 Definitions This section is intended to capture the definitions of some key terms used in the document for the purpose of increased consistency Most of the definitions are obtained from official 3GPP and ETSI documents Access control the prevention of unauthorized use of resources including the use of a resource in an unauthorized manner Authentication the act of positively verifying that the true identity of an entity network user is the same as the claimed identity Confidentiality the property that information may not be available or disclosed to unauthorized individuals entities or processes Data integrity the property that data has not been altered or destroyed in an unauthorized manner Encryption the conversion of plaintext to ciphertext Key a sequence of symbols that controls the operations of encipherment and decipherment Key management the generation selection storage distribution deletion archiving and application of keys in accordance with a security policy Migration act of changing to a location area in another network either with different Mobile
8. Network Code and or Mobile Country Code where the user does not have subscription e g ITSI in TETRA for that network In this document migration is used as a synonym of roaming Profile the capability of a particular equipment This is defined separately for individual subscriber terminals and individual infrastructures Provision the act of supplying a given service Note A communication system may be capable of supporting a service However it may not supply the service to certain subscriber terminals for which the service is not subscribed Roaming utilization of a mobile terminal in a network other than the one where the mobile is subscribed but on which the mobile can still be located and operated by agreement between the respective network operators 2 2 Abbreviations For the purposes of the present document the following abbreviations apply Acronym Definition 3GPP 3rd Generation Partnership Project ACM Adaptation and Communication Manager Al Air Interface AIE Air Interface Encryption AuC Authentication Center CCK Common Cipher Key DCK Derived Cipher Key DMO Direct Mode Operation E2EE End to End Encryption Date 9 06 2014 Approval status Approved Page 6 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee
9. Role Title All Company Project All involved companies Members of the Steering Managers Committee Elina MANOVA EC DG REA EC Programme Officer REVISION TABLE Modified Modified Pages Sections Comments Version Date 12 12 2014 Template issued 22 04 2014 First draft 15 05 2014 Draft with comments 09 06 2014 Final revision Date 9 06 2014 Approval status Approved Page 2 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee a ID ISITEP_D5 1 1_20140609_V1 2 ISITEP Publishable extended abstract This deliverable D5 1 1 is the first deliverable issued by WP5 1 It reports on the advances in Task 5 1 1 until MO6 In particular the following points are covered e the analysis of PPDR user needs e the analysis of existing PPDR terminals e the definition of requirements for application enabled bi technology terminals e the requirements for interoperability functions e the requirements for PPDR cloud added value functions and applications Date 9 06 2014 Approval status Approved Page 3 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 Ist 1 Ep TE
10. Services TEI Terminal Equipment Identity TETRA TErrestrial Trunked Radio TMO Trunked Mode Operation UI amp BL User Interface Adaptor amp Business Logic VolP Voice over IP VPN Virtual Private Network WM Workflow manager WS Work station Date 9 06 2014 Approval status Approved Page 7 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee i ID ISITEP_D5 1 1_20140609_V1 2 ISI EP ATH whe AI oo TETRA TETRASO NETWORKS Date 9 06 2014 Approval status Approved Page 8 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ote 3 ENHANCED TERMINAL REQUIREMENTS DEVELOPMENT FRAMEWORK 3 1 System Overview Two different deployments of the enhanced ISITEP terminal are required the vehicular one and only as proof of concept the hand held one Both versions are based on the use of a smart device running the Android Operating System a tablet PC for the vehicular solution while smarthphone device for the hand held one TETRA and TETRAPOL air interface are provided by legacy TETRA and TETRAPOL modems even if the right approach for the development of a new advanced bi technology devic
11. available on the translation table while considering the elements not available names etc on the translation table as free text e best effort mode based on statistical machine translation SMT systems that allow to automatically train translation models for any language pair Due to problems of compound words idioms morphology different word orders alignment and syntax these systems are trained on large quantities of parallel data i e bitext collection of sentences in two different languages which is sentence aligned in that each sentence in one language is matched with its corresponding translated sentence in the other language from which the systems learn how to translate small segments as well as even larger quantities of monolingual data from which the systems learn what the target language should look like Once the model has been trained an efficient search algorithm quickly finds the highest probability translation among the exponential number of choices and the decoder finds the highest scoring sentence in the target language corresponding to a given source sentence hence translating the source sentence into the target language SMT systems can be based on several types of translation models as for example e Word based translated elements are words these models can cope with translation where a single native word produces many foreign words but not the other way due to compound words morphology and idioms This s
12. depending on current and expected payload e Fast access to forms supporting execution of the assigned tasks User interactions will be organized in two subsystems e WF assistant web component which allows access to activity workflow control panel that include operational task for the user e WF Supervisor web component which allows access to monitoring and activity workflow supervision panels More in detail WF assistant will include the features to Display user s tasks Display non assigned tasks that could eventually be assigned to the user Take responsibility of a task of an existing activity workflow Create a new activity workflow Carry out a task with I S support Notify that a manual task has been completed Reassign a task to another use Display the iter associated with an activity workflow and the involved internal external operational units Create a subtask and assignment to the corresponding operational units WF supervisor will include the features to Display both in progress and completed user s activity workflow Process and display user s activity workflow statistics subordinates included Process and display subordinates payload and activity workflow Display non assigned tasks Assign or reassign a task of an existing activity workflow Create a new activity workflow Display the iter associated with an activity workflow an
13. migration procedures the radio user should be able to set his preference for migration before starting the mission The radio terminal HMI shall display the network name code with which the terminal is currently attached This functionality is particularly useful in case of automatic migration where no selection is required to the radio user 4 2 2 Talk Group Group call is the most used service in PPDR Networks and in order to manage cross border operations new talk groups have been defined in the End User Requirements document The use of new international talk groups is preferred in order to decouple the numbering scheme adopted currently in each country from the new talk groups demanded for international cooperation When radio terminal migrates in a visited network the talk groups used in its home network are no longer valid and the end user shall select the international talk group that allows him to communicate with the control room in the home network The end user shall be able to understand which groups are available the radio terminal shall display in grey the group names that are not available within the SwMI where the subscriber is currently registered The end users of PPDR Networks shall focus their attention in their professional core missions and tasks security rescue fight against crime while they have to spend the minimum effort in terms of time and capacity in radio transmission Therefore radio settings and r
14. Approval status Approved Page 38 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee i ID ISITEP_D5 1 1_20140609_V1 2 ISI i EP 5 5 2 Dynamic Functional Numbering Each country may define special numbers for different functions According the End User Requirements 2 special numbers may be for example the numbers used to call the nearest international coordination group for each agency Fire brigade ciVilian protection Rescue emergency health care Police Border guards Multi agency Dynamic Functional Numbering DFN is the feature that links these special numbers to specific roles entities like the ones listed above in such a way that when a radio user moves to a different country the special numbers present in his phonebook are automatically updated in the terminal according to the foreign country number definition without any user manual operation The functions required in international joint PPDR operations have to be defined for each area of interest in the workflows and in the shared standard procedures ID Description I ETR FUN 11 a DFN application on the network side shall associate for each country the agencies defined in the workflow to some special numbers Every time a subscriber belonging to the home network migrates
15. ID ISITEP_D5 1 1_ 20140609 V1 2 4 Inter System Interoperability D5 1 1 DRAFT ENHANCED TERMINAL REQUIREMENTS Document Manager Federica Battisti RM3 Editor Programme Inter System Interoperability for Tetra TetraPol Networks Project Acronym ISITEP Contract Number 312484 Project Coordinator Selex ES SP Leader RM3 Document ID N ISITEP_D5 1 1_ 20140609 V1 2 Version V1 2 Date 09 06 2014 Deliverable D5 1 1 Status Approved Document i classification PURIG Approval Status Prepared by Federica Battisti RM3 AAC AAN A ET COAR Alessandro Neri RM3 OES ACY CH Alessandro Neri RM3 NIAE SA ECIM Claudio Becchetti SES Security Approval Etienne Lezaack BFP Advisory Board Coordinator Date 9 06 2014 Approval status Approved Page 1 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_ 20140609 V1 2 4 CONTRIBUTING PARTNERS Company Organization aXe Wa BNC Federico Frosali Contributor Claudia Olivieri Contributor Michela Cancellaro Contributor Federica Battisti Contributor Ramon Ferrus Contributor Jakko Saijonmaa Contributor Serge Delmas Contributor DISTRIBUTION LIST Company Organization
16. L security are stored For security reason each radio modem does not provide external access to the internal secure storage device and consequently the security manager in the enhanced terminal should not be allowed to access to TETRA and TETRAPOL security data material The main Security Manager task is to manage the security inside the smart device the main following aspects shall be analysed e Protect the access to smart device and to the UI amp BL e Protect the smart device from malware viruses etc Date 9 06 2014 Approval status Approved Page 33 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee i ID ISITEP_D5 1 1_20140609_V1 2 ISI i EP Secure the Android based kernel The problem of realizing a secure sandbox for applications running on Android is still an open issue despite some opening towards the use of this OS also in secure environments US If the radio modems are wireless connected to the smart device the SM shall protect the wireless connectivity ID Description ETR FUN 8 a Security Manager shall provide the smart device with authentication and authorization services The radio user shall be allowed to use the smart device only after successful user authentication Pre Requisite Rationale Applicable To Se
17. OL security are mainly provided through Air Interface Encryption and End to End Encryption sensible data encryption keys used to provide these features are stored inside legacy TETRA TETRAPOL modems and for security reason no external access is provided to this material Security Manager responsibility is then linked to the Security aspects related to the smart device and to the communication between the smart device and the legacy TETRA TETRAPOL modems Date 9 06 2014 Approval status Approved Page 11 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 oie 4 ANALYSIS OF PPDR NEEDS In this section it is reported the analysis performed on ISITEP Security Requirements 1 ISITEP End User Requirements 2 and the status of the current PPDR terminals The output of the analysis and of discussions is then formalized into requirements for the terminal and reported in section 5 of the current document 4 1 Analysis of Security Requirements In the Security Requirements document two different types of threats to the terminal security have been identified Threats from mismatching security requirements between roaming terminals and visited networks Threats from exposed interfaces within ISITEP terminals If the migrating terminal is not security cert
18. POL PEI interface has been defined Analogue audio interface From the security point of view the basic assumption is that both signalling and audio are transported on a wired connection to a trusted termination Currently smart devices provide a set of standard physical wireless interfaces while wired interfaces are less used Moreover for increasing enhanced ISITEP terminal usability a wireless connectivity between the external modems and the smart device shall be preferred The use of wireless connectivity between the smart device and the legacy TETRA TETRAPOL modems open the enhanced ISITEP terminal to two security threats Unauthorised access to TETRA or TETRAPOL modem Eavesdropping of conversations related to the attacked terminal In order to overcome these threats the establishment of wireless connection shall be provided only after authentication and authorization phase and the wireless link shall be encrypted Date 9 06 2014 Approval status Approved Page 9 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee APO NET aK ID ISITEP_D5 1 1_20140609_V1 2 si L P User Interface Adaptor Business Logic Adaptation And Communication Manager Figure 1 Proposed terminal architecture In Figure 1 the high level block diagram describing the main features of the prop
19. RA TETRAPOL modems is completely transparent to the user TETRA and TETRAPOL features listed in the above paragraphs will have to be guaranteed on a unique simple and well designed UI In order to enable interoperability and guarantee full integration between TETRA and TETRAPOL technologies ISITEP will define a novel terminal architecture based on Android Open Source Project AOSP The user interface design will make the user s interaction as simple and efficient as possible Date 9 06 2014 Approval status Approved Page 19 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ote balancing technical functionality and visual elements to create a system that is not only operational but also usable and adaptable to changing user needs Considering the constraints of mobile devices and that a smart UI provides the framework on top of which apps are built a well designed interface has to be usable where the usability is intended as a high level quality objective The extent to which a product can be used by specified users to achieve specified goals with effectiveness efficiency and satisfaction in a specified context of use ISO 9241 11 standard The usability concept nowadays widely accepted is specified in ISO IEC 9126 1 2001 according to which it
20. TRA TET PRADO NETWORKS CONTENTS 1 INTRODUCTION siccscsccicewics trees eetsesteenntiinceeneie het eee 5 2 DEFINITIONS AND ABBREVIATIONS sists ccccssctscsssteccccscacecctcases cctexesesceccnsasscnecesaccers caeteeduernseczareces 6 2 1 Definitions sissjinecessiacinicacatcqitisdeitsaciiaeniaaseaieaianicaassshennsinasiiausasanant dani eaannedandsdieiadeataeaislaaasisaaniaaaa 6 2 2 ADDICVIGUNONS iissiinictanniiiensnaiiinin aera 6 3 ENHANCED TERMINAL REQUIREMENTS DEVELOPMENT FRAMEWORK cccseseeeeees 9 3 1 System OVC he sic ce cassssec sae ceccuts eecsccessecandshocdesiatscaniaiacantagansecantedacecddadccksdsiceisiaancemaciencc 9 4 ANALYSIS OF PPDR NEEDS isiesaisciciicssscsscccccsnecescascvstcceacctesscanchsscsxxascaseazssasseneartaansmssennearanncsmsncs 12 4 1 Analysis of Security Requirements iriiri irenda inanasan iaa iaaiaee a 12 4 2 Analysis of End User Requirements ssseessseeessesssennenneneeeseeeensnenneneeeeeseeenseseeneeeeonerees 12 4 3 Analysis of existing PPDR terminals and Smart GeVICC ccccccceeeeeeeeeeeeeeeenseneeeeneeeeeeees 16 D TERMINAL REQUIREMENTS sissisi scsi cictascten tes tewedescaceteccancnsstevsadecesdenpanceisdcsaccetacsatancetzananceies 22 5 1 General Requlre iment wisisscsccccssccsseccssssccecscceccscscccdscssinacetnatnsaicninaceaecenseiasecexatetaadsicsacecnecienances 23 52 Int rface R q irements abi cascincscssancscncctaneccacncesacamasseds dedasdonscanvsceacsctaresesiaceesannssesnciiamnenaie
21. TRA modem shall be integrated inside the smart phone of the hand held ISITEP terminal solution Rationale If feasible a full integrated solution would be an added value content for the ISITEP terminal Moreover wireless connectivity between radio modems and smart device would expose the ISITEP terminal to security threats Applicable To TETRA TETRAPOL SDev Discussion Open issues 1 5 3 Requirements for bi technology terminals application enabled The enhanced ISITEP terminal is a bi technology terminal provided at the same time with two different radio interfaces TETRA and TETRAPOL The end user equipped with the ISITEP terminal should not perceive the difference between TETRA and TETRAPOL technologies in order to achieve this goal the ISITEP terminal is equipped with two sw components i e the Adaptation and Communication Manager and the User Interface adaptor amp Business Logic Date 9 06 2014 Approval status Approved Page 25 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_ 20140609 V1 2 oie The Adaptation and Communication Manager abstracts the interface between the radios and the sw components and the applications deployed inside the ISITEP terminal The User Interface Adaptor amp Business Logi
22. TRAPOL modems the usable smart Android terminal will include the following basic elements e PIN handling to access the terminal e Login a username and password to access as chief officer minister body guard team officer leader ecc e Home screen it houses app shortcuts folders and widgets Favourites Tray at the bottom always keep the user s most important shortcuts and folders in view regardless of which panel is currently showing In this section it will be available a shortcut to access to the UI amp BL of the enhanced ISITEP terminal On the UI amp BL of the ISITEP terminal fast access buttons will be available to have direct and easy access to PPDR services like a dedicated emergency button a dedicated PTT button talkgroup selection phonebook to access to speech call services and status messages and all the PPDR services foreseen e All App screen the user can easily access this screen by pressing the All Apps button at the center of the Favourites Tray Users can drag an app or widget icon from the All Apps screen and place it in any empty location on any Home screen e Recents screen the user can easily access this screen by pressing the button at the right side of the navigation bar This screen is used to switch between recently used applications and provides a clear navigation path between multiple ongoing tasks e System Bars screen areas dedicated to the display of notifications communication of device status and device n
23. adio management must be kept as simple as possible In particular Terminal manipulations like talk group selection shall be strictly restricted The intelligence of the radio communication functional model will be basically limited to the ability of selecting the talk group that is requested 4 2 3 Applications From the End user point of view it is important that the applications used in the home country are still available in the visited country For example the following applications shall be at least considered Localization service Access to remote databases Transfer of a picture Hence when a terminal moves in a visited network the control room located in the home network shall be able to locate the terminal in the visited network Date 9 06 2014 Approval status Approved Page 13 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 oie the user shall be able to access to databases located in the home network the user shall be able to send receive picture to from the proper control room in the home network Another requirement on Localization service is that when a radio moves into a visited network it shall be localized also in the visited network in the control room responsible for the PPDR operations in that area L
24. and the user should have the chance to act the same way across the entire application and between applications A consistent app isn t a copy of other apps and it isn t stylistically stagnant rather it pays attention to the standards and paradigms people are comfortable with and it provides an internally consistent Date 9 06 2014 Approval status Approved Page 20 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ote experience To achieve this goal the UI design has to answer to questions as does text use uniform terminology and style or the same icons always mean the same thing can people feel confident and predict what will happen when they perform the same action in different places do custom UI elements look and behave the same throughout the app is the app consistent with its earlier versions Only by respecting these requirements the app will be considered as consistent e International ability and Multilanguage requirements The degree to which software can be used for the global marketplace taking into account variations in regions population stereotypes languages and cultures Automatic translation when user log in aliasing in its own native language or in the language chosen on the device e Accessibility the measure of how successfull
25. ave been developed based on dedicated Gateways which manage set of couples of terminals Each terminal of the couple is belonging to one of the networks to be interconnected The limitation of such solutions are a voice interconnection through an analogue and not cyphered interface in the gateway plus a reduced Group communications interconnection capability equal to the available number of terminals couples in the Gateway It could be possible to develop within ISITEP a new version of TETRAPOL modem which would embedd as many sets of system configuration including security terminal configuration parameters that the expected number of TETRAPOL networks where ISITEP terminal should roam The switch from one network to the other would be controled by the user through a User Interface command Considering the countries where TETRAPOL networks have been deployed it looks like that each country will have at the maximum one neighbouring country where another TETRAPOL system has been deployed So it should be possible to limit at 2 the set of configurations to embedd Note that this only possible if the TETRAPOL networks share the same E2EE family algorithm ie Schengen and request dedicated budget 4 3 3 Smart Device ISITEP smart device will have the primary goal of enabling interoperability and guaranteeing full integration between TETRA and TETRAPOL technologies in such a way that the instruction translation process between the ISITEP UI and TET
26. avigation in particular on the Android status bar there will be symbols that indicate the radio network status call encrypted not encrypted the battery level etc On the bottom navigation bar as in every Android device the user can find Back Home Recents e There will be a main radio Settings section where the user can set its account audio settings volume control and accessories settings and the most important TETRA TETRAPOL settings e Notifications as recent events accessible at any time from the status bar missed call unread messages etc In order to provide the full set of PPDR capabilities it is required an analysis of TETRA and TETRAPOL capabilities and usage This point is necessary to understand which are the common points and the different ones in order to provide a common interface to TETRA and TETRAPOL users It can be assumed that the following PPDR services represent the minimum requirements for both technologies e TALKGROUP control group may be preloaded in the device or network can be provided with a dynamic group provisioning Different set of talkgroups may be defined for each PPDR network where the device may migrate The user will be able to change the selected talkgroup e Phonebook used to make individual calls e Call management o Emergency call to whom individual or group both home and visited dispatcher send position live mic how many secs and how many cycles o Half duplex individual settings timestamp
27. ble in the candidate networks If there are multiple candidates that satisfy minimum required security levels and service availability the Adaptation and Communication Manager shall consider the signal strength and terminal settings related to network preferences Optionally the ACM may also consider criteria such as see section 6 3 1 Operator established policies User information Application service specific requirements Device location and time of day Local operational environment of the terminal Network characteristics and Radio network conditions In case the foreign network does not provide the same service and the same security level then the migration shall be performed only when the currently selected network is no longer available lf more than one foreign network is available the Adaptation and Communication Manager shall prefer the one that grants the better security level and the better service Rationale The radio shall use its home network that has higher security level and more services as long as it is possible however as soon as no signal strength is available the migration shall be performed automatically towards the new network without any user manipulation Applicable To ACM Discussion Open issues 1 ID Description I ETR FUN 3 a User Interface shall display on the screen the network name code with which the terminal is currently attached Rationale Date
28. c use of non encrypted groups should be applied in visiting network where members can join from both encrypted and non encrypted networks It would be helpful to have automatic fall back to unencrypted groups in case of joining visiting users whose TETRA terminals do not support the e2ee in use 4 3 2 TETRAPOL terminal TETRAPOL is an open standard defined through a set of Publicly Available Specifications PAS available to the members of the TETRAPOL forum The requirements that a TETRAPOL radio terminal shall comply with for being compatible with TETRAPOL Standard are defined in a subset of the Publicly Available Specifications PAS PAS 0001 Part 1General Network Design PAS 0001 Part 2 Radio Air interface PAS 0001 Part 3 Air Interface Protocol PAS 0001 Part 7 Codec PAS 0001 Part 8 Radio conformance tests PAS 0001 Part 9 Air interface Protocol conformance tests PAS 0001 Part 10 Inter System Interface PAS 0001 Part 13 User Data Terminal to System Terminal interface PAS 0001 Part 16 Security The interface of the Smart Device with TETRAPOL modem shall comply with Control interface PAS 0001 Part 19 2 System Terminal Control Protocol Data interface PAS 0001 Part 13 6 Specifications UDT and ST interface MPAP and DTAP protocols The main supported services are e VOICE SERVICES INNETWORK CONNECTED MODE o Group communications Multisite Open Channel Talkgroup Broadcast MOCH Group cal
29. c abstracts the TETRA TETRAPOL capabilities to the end user 5 3 1 Adaptation and Communication Manager Adaptation and Communication Manager ACM is responsible to manage communication between the upper layer of the ISITEP terminal and the PPDR radios The following services provided by the PPDR radios shall be exported to the upper layers of the ISITEP terminal Transmission and reception of SDS Transmission and reception of pre defined status messages Speech Call Set up Hung Up Speech Call Group Management General information on the networks General information on the radios equipment The ACM is also responsible for network selection According to end user requirements it shall be possible to perform network selection either manually or automatically Manual network selection requires that the end user performs some manual operation on the ISITEP terminal to select the network while automatic network selection does not require the participation of the end user to the network selection procedure Manual network selection may be required for specific cross border missions where PPDR services are offered by both home and foreign networks and the end user may prefer to stay hooked to its own home network Network selection may be automatized following different criteria such as Operator established policies used to guide network discovery and selection This turns the network selection functionality in a dynamic but operator con
30. chitecture and Network Requirements Date 9 06 2014 Approval status Approved Page 43 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee
31. cuaaenes 25 5 3 Requirements for bi technology terminals application enabled ccccccsssseseeeeeeeees 25 5 4 Requirement for interoperability FUNCTIONS ceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeneeseeneenes 33 5 5 Requirements for PPDR cloud added value functions and applications 0008 37 6 CONCLUSIONS casas ack a araa aaia aa bees eared aaa aieiaiei aia eiaa inaa rairai 42 7T REFERENCES is ccs ce cece saieesnace ance oaan nisana aa aasan ahaa renarna Kartoi Naaa afana dA asise iratai ias aaan 43 Date 9 06 2014 Approval status Approved Page 4 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee w ID ISITEP_D5 1 1_20140609_V1 2 ISITEP 1 INTRODUCTION The aim of WP 5 1 is the definition of the requirements and the architecture of vehicular hand held enhanced terminals based on the TETRA TETRAPOL technology Such terminals will rely on the use of programmable devices such as smartphones and tablets The outcome of this WP is the definition of the architecture of the new terminal and of its services This WP is strategic because its outputs will be used for the definition of the Adaptation Communication Manager WP 5 2 the Security Manager WP 5 3 the Workflow Manager WP5 4 the Semantic Syntactic Translator WP 5 5 and the User Interface and Business
32. curity Manager Discussion Open issues 1 ID Description I ETR INT 2 a The Wireless connectivity between the smart device and the TETRA TETRAPOL modems shall be encrypted Rationale Applicable To Security Manager TETRA Modem TETRAPOL Modem Discussion Open issues 1 ID Description Il ETR FUN 9 a A secure fence for applications running on Android shall be realized on the smart device Rationale The smart device shall be provided with a security mechanism that protect the device from viruses malware Trojans etc Date 9 06 2014 Approval status Approved Page 34 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 oie Applicable To SM Discussion Open issues 1 5 4 2 Workflow Manager For each PPDR operation each country has defined its own workflow in order to improve the international cooperation ISITEP project is going to define standard workflows to be used for international PPDR operations SP3 Workflow Manager WM on the ISITEP terminal shall help the leader of PPDR forces and dispatcher operator to coordinate the PPDR intervention team in the PPDR operations Intervention team may be composed by PPDR forces b
33. d by users Crucial characteristics to be considered in the device design will be the multi language environment the portability of the system to make it independent on the used tabled or smartphone and the safety both in terms of physical link between the device and the network and in terms of encrypted communication On top of the system a cloud system will be available to users in order to supply additional advanced functions and applications like remote access to database or automatic update of phonebook and talkgroup depending for example on the user position geo referenced app Date 9 06 2014 Approval status Approved Page 21 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee 1 ISITEP ID ISITEP_D5 1 1_20140609_V1 2 5 TERMINAL REQUIREMENTS This section reports on the initial outcomes of Task 5 1 1 Terminal Requirements The requirements for the enhanced terminal are univocally identified by a code according to the following tree I ETR TTT N a Where e lisa fixed string standing for ISITEP e ETR is a fixed string standing for Enhanced Terminal Requirement e TTT is a three letters specification type code as listed in the following Table 1 codes are compliant with ECSS Standards see RD1 e Nis the sequential number of the requirement
34. d the involved internal external operational units Process and display operational units Key Performance Indicators 5 4 3 Semantic and Syntactic Translator ISITEP will define and implement a syntactic and semantic on line translator to overcome language barriers which are a main obstacle for a successful interoperability When using the ISITEP smart device a PPDR user accustomed to operate with a TETRA national device shall be able to operate in the same way same language same procedures even under a foreign TETRA TETRAPOL networks Two approaches can be considered e Off line fixed terms amp sentences dictionary a predefined lexicon accepted by all countries in their native languages for status messages and simple phrases In this way the user can select a status message in his desired language the language chosen on the Android tablet Date 9 06 2014 Approval status Approved Page 36 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ote and the off line dictionary will automatically translate the message into the destination language by checking the status message translation table the user can also write a SDS that the off line dictionary will convert into the destination language by translating the blocks of words prefixed expression
35. e would be the use of the Software Defined Radio SDR technology Unfortunately the SDR approach would require the development of specific TETRA and TETRAPOL waveform which is unfeasible with the timeframe of the ISITEP project In order to realize a bi technology terminal the smart device shall be able to manage the legacy TETRA and TETRAPOL modems indeed in both solutions the smart device shall host the MMI of the enhanced ISITEP terminal an adaptation layer for the communication with the legacy TETRA and TETRAPOL modem and all the ISITEP applications TETRA and TETRAPOL modems shall be physically connected to the smart device in order to allow the communication between the smart device and the TETRA and TETRAPOL modems In the ISITEP hand held at least one of the TETRA TETRAPOL modem shall be integrated inside the smart device in order to avoid having three terminals currently end users that have to participate to those cross border PPDR operations where both TETRA and TETRAPOL are used are equipped with only two terminals a TETRA one and a TETRAPOL one On the other hand in the vehicular solution the legacy modems are installed inside a car and they may be external to the smart device Legacy TETRA and TETRAPOL modems provide the following signalling and audio interface TETRA provides a standard signalling to interface the terminal equipment that is the TETRA Peripheral Equipment Interface PEI for the TETRAPOL an equivalent TETRA
36. eatures are reported and in addition there is a list of the new requirements that shall be applied in order to support ISITEP scenarios The smart device is a general purpose terminal then the requirements that characterize the smart device to be used in the ISITEP enhanced terminal are reported 4 3 1 TETRA terminal The TETRA terminal requirements needed for TETRA functionality over the air interface and relevant for ISI migrating terminals are listed in TCCA TIP TETRA Interoperability Profiles TETRA IOP V D Part 1 Core Part 2 Short data Service Part 4 Authentication Part 6 Air Interface migration Date 9 06 2014 Approval status Approved Page 16 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ISI i EP Part 11 Air Interface Encryption TETRA IOP ISI Part 1 Mobility Management Part 2 Individual Call Part 3 Short Data Service Part 4 ISI Lower layers Part 5 1 Circuit mode voice transfer Part 5 2 Packet mode speech format Part 5 3 Generic speech format Part 6 ISI Group Call Some additional terminal requirements not specified in IOP but relevant for operative use are listed below 1 Automatic manual roaming between TETRA networks TETRA networks coverage overlap in border areas For joint cross bord
37. ecause there are few commercial terminals available in any case the transition form Packet Data to TEDS would not afford changes on those added value applications developed for using Packet Data as transport Even if 3G access network is accessible to the smart device it is not possible to foresee that 3G access network is integrated with all PPDR networks ISITEP scope are PPDR networks TETRA and TETRAPOL applications shall be developed considering narrow band transport offered by TETRA and TETRAPOL 3G access can be adopted for off line update of the smart device and not for real time use in PPDR operation Localization service by standard is provided over SDS transport and there is no reason to change this because ISI link will allow transporting SDSs from the visited network to the home network and AVL Servers provides LIP over SDS interface and are already able to manage localization information The ISITEP applications listed above are composed by a network side and a terminal side in order to deploy network side applications on PPDR networks of different manufacturers a standard framework for developing applications shall be realized The IP framework is the most generic and standard one to be used but the availability of Packet Data is required on the TETRA TETRAPOL air interface 4 3 Analysis of existing PPDR terminals and smart device In the following subparagraphs the existing PPDR terminals are analysed for each one the supported f
38. elonging to different countries and then WM should interact with SST in order to provide instructions to the end user in its native language The features associated with the workflow activity management and control will be divided in three subsystems e Features aimed at the activity execution workflow e Features aimed at the control and monitoring of both direct supplied and third party supplied services e Features aimed at planning control and monitoring of the economic financial trend of contracts The Workflow Manager will have to assist officer manager with planning management monitoring control and supervision of all the activities to be carried out with rapid access to Information System IS functions that support the activities and with checking the correct and prompt execution of the fulfilments for each procedural iter both from internal operational unit and external subject Therefore it will have to allow to e Define the entities subject to control e Attribute the entity subject to control to an Operating procedure which consists of a series of simple task or complex subprocess tasks that have to be carried out by internal operational unit or external subjects Resources in the following Define the temporal evolution of the status of all entities subject to control Manage the timers activated by the events connected to the operating procedures Monitor the activity status by generating aler
39. er operations a terminal may remain in its home network even when in border areas of a visiting country Hence it may be relevant to manually force the terminal migration to a visiting network or alternatively to stay in home network as long as possible In maritime use cases it may be beneficial to migrate automatically to the visiting network when it is available Indeed open sea areas may be uncovered by PMR networks and a terminal may be out of service then migration to the first available TETRA network should be automatic Visiting networks towards which a terminal is authorised to migrate should be pre programmed into the terminal Triggers for roaming manual automatic should be set on a network basis Hysteresis of migration is needed to prevent oscillation of migration between networks 2 Displaying the home or visiting network in use on terminal screen The terminal should show the mnemonic name of the network in use Indication of migration in progress has to be shown blinking network name etc The selected network mnemonic name has to be shown on the UI of the terminal when service is available Non availability of any TETRA network should also be displayed 3 Phone book of visited network users updates Phone book should support full ITS numbers of the entries in phone book to enable calls over ISI initiated from phone book Phone book directories for visiting network users and groups by organisation should be supported
40. etc o Full duplex individual settings timestamp etc o Priority call to be requested to the network customizable for each call or default value e GNSS management o Check position of the smart device on a preloaded map with GNSS coordinates o Give direction optional o Set up LIP settings interval report time space etc to whom the report has to be sent for example to both home network and visited network Date 9 06 2014 Approval status Approved Page 28 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 Hes e Messages two different icons for SDS and status o Status preloaded in the device o SDS o Settings default destination address for status default destination address for SDS group or a specific entity preferred destination addresses set up for example 5 10 send position and timestamp etc Could be included in main radio Settings section o History as a mobile phone On top of the system an ISITEP cloud system will be available to users in order to supply additional advanced functions and applications like remote access to database or again automatic update of phonebook and talkgroups depending for example on the user position geo referenced app For reference see par 5 5 5 3 3 Requirements ID Descripti
41. g short messages order are provided by the coordinator in his language and are received by the resources belonging to that function in their native language A set of pre defined and pre configured orders shall be defined in the workflow and in standard procedure In case an order has not been pre defined a real time translation should be performed This capability is also useful in PPDR operations where PPDR resources use the same language because it is often difficult to properly understand speech orders due to the high background noise ID Description ETR FUN 12 q The sending EME terminal side application shall provide the end user with the list of available pre defined orders and shall allow the user to define new orders The list of pre defined orders shall be presented in the user native language Only the functional leader shall be enabled to provide orders to the PPDR resources assigned to its functional group Rationale Applicable To Network Terminal Discussion Open issues 1 ID Description I ETR FUN 13 qa Short data messages containing pre defined orders shall be translated at terminal side and kept translated in the history Rationale Applicable To Network Terminal Discussion Open issues 1 ID Description I ETR FUN 14 a Short data messages containing new orders not present in the pre defined Date 9 06
42. harge to the country where the incident occurred hence each intervention team has a national reference control room that coordinate its intervention team according to the orders received by the control room responsible for the overall coordination Different kinds of PPDR operations are foreseen and different workflows have been specified for each one of them Each country has defined its own national workflows ISITEP project is working on standardization of workflows in order to improve international cooperation between PPDR forces Detailed analysis on the existing national workflows is provided as output of SP3 In this paragraph a summary focused on terminal side operations is reported There are different actions that can belong to a Workflow Group selection Execute orders sent by the leader or by the dispatcher operator using short data messages or pre defined status messages Date 9 06 2014 Approval status Approved Page 14 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ote Localization management Control and monitoring of both direct supplied and third party supplied services etc The workflow functionalities that ISITEP will standardize will then include features like definition of the activities to be carried out definiti
43. hase 3 contents The general requirements are pre requisites to participate to the ISITEP project and are reported in summary ID Description ETR FUN 1 a TETRA Modem shall be compliant with TETRA IOP V D Part 1 Core Part 2 Short data Service Part 4 Authentication Part 6 Air Interface migration Part 11 Air Interface Encryption Rationale Date 9 06 2014 Approval status Approved Page 23 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 cite These are prerequisites for the TETRA modem The requirement is expressed in order to agree with the set of features that shall be available in the ISITEP framework Applicable To TETRA Discussion Open issues 1 ID Description I ETR FUN 1 b TETRA Modem shall be compliant with TETRA IOP ISI Part 1 Mobility Management Part 2 Individual Call Part 3 Short Data Service Part 4 ISI Lower layers Part 5 1 Circuit mode voice transfer Part 5 2 Packet mode speech format Part 5 3 Generic speech format Part 6 ISI Group Call Rationale These are prerequisites for the TETRA modem that shall operate in ISI framework The requirement is expressed in order to agree with the set of features that shall be available in the
44. he speech call is ciphered or clear Rationale Date 9 06 2014 Approval status Approved Page 32 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ites The radio user shall be aware of the security of his communications SM should not be impacted because encryption information shall be provided by the ACM to the UI amp BL in order to be shown on the terminal display Applicable To UI amp BL Discussion Open issues 1 ID Description I ETR FUN 7 a User Interface shall provide the capability to select if the communication is ciphered or not Rationale The radio user shall be able to select the E2EE and AIE security level of the communication Applicable To Ul amp BL Discussion Open issues 1 5 4 Requirement for interoperability functions According to end user some extra functions are required for feasible interoperability on the field Security manager SM Workflow manager WM Semantic and syntactic translator SST 5 4 1 Security Manager The enhanced ISITEP device is provided with two modems TETRA and TETRAPOL and each of them is equipped with internal secure storage device where sensible data used to manage TETRA and TETRAPO
45. he terminal radio network conditions etc Finally in ISITEP project the radio access is limited to TETRA and TETRAPOL networks while broadband radio access WiFi and 3GPP is reserved for future evolution of PPDR networks hence network selection capabilities to be implemented in the ISITEP enhanced terminal are strictly limited to TETRA and TETRAPOL radio access 5 3 2 User Interface Adaptor amp Business Logic User Interface Adaptor amp Business Logic UI amp BL is responsible to provide a unified user interface for TETRA and TETRAPOL end users TETRA end user shall be able to manage the ISITEP terminal even when it is located under the TETRAPOL network and the TETRAPOL end user shall be able to manage the ISITEP terminal when it is located under the TETRA network ISITEP bi technology device whose architecture will be based on Android Open Source Project AOSP will make the user s interaction as simple and efficient as possible to create a system that is not only operational but also usable and adaptable to changing user needs Date 9 06 2014 Approval status Approved Page 27 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 oie In order to make transparent to the user the instruction translation process between the ISITEP UI and TETRA TE
46. ication development shall be defined in order to deploy the same application developed by different manufacturers in PPDR networks Even if these requirements are the input for WP 6 4 and WP 6 5 they have been collected in this document because the implementation of these applications may impact on ISITEP terminal sub elements In this paragraph the requirements that can be addressed at both network and terminal side are collected 5 5 1 Location Assisted Numbering Each PPDR agency has typically more control rooms each of them is responsible for a specific border country zone The Location Assisted Numbering allows to specify one special number for each PPDR agency in this way the radio user can call the same special number independently of its position and the PPDR network automatically routes this particular speech call to the nearest control room related with that special number ID Description ETR FUN 10 qa_ For each kind of service the radio user shall be able to always select the same name in its address book independently of its location and the call shall be automatically routed Rationale The radio user should not know the service number to be used for each area when the radio user moves towards a visited network the service numbers shall be automatically updated in his address book by the PPDR Network Applicable To Network Discussion Open issues 1 Date 9 06 2014
47. icular the following aspects are analysed Migration Talk group Applications Existing national workflow Semantic and syntactic translation 4 2 1 Migration The radio user in its home network has access to all services provided by the home PPDR network when the radio user migrates in the visited network Only those services supported by ISI shall be available in the ISITEP project it is foreseen to provide all the services expected for the ISI phase 3 Date 9 06 2014 Approval status Approved Page 12 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ote Group management in the visited network may be restricted to the groups defined in the static link group table Along the border the radio is usually able to catch both home and visited network when the radio user is working along the border of its country it is sometimes preferable to avoid migration to the visited network while in hot pursuit scenario it would be preferable that the migration from home network to the visited network is performed automatically and radio user cannot carry out any setting modification when crossing the border The terminal shall support manual migration procedure Automatic is considered optional For terminal supporting both manual and automatic
48. ified to the national requirements of the foreign network the migrating terminal may expose the visited network to a security risk Usually the PPDR terminal is security certified in its home network it is not always possible to certify the terminal to all possible visited networks because each country has its own security certification process and some countries have a most demanding and heavy one As a general requirement in order to limit consequences of potential breaches roaming terminal user rights shall be restricted to the minimal necessary This is an issue in charge to PPDR network operators and to the PPDR end users In case the ISITEP terminal is IP connected to the PPDR network there is also the security risk connected to viruses malware trojans etc For the ISITEP project IP connectivity Packet Data is not provided in the foreign network so that the ISITEP terminal is IP connected just to the home network The second type of threats can occur if the implementation of the new enhanced ISITEP terminal makes use of a wireless connection between the smart device and the TETRA TETRAPOL modems In this case the wireless connectivity is a weakness in the ISITEP terminal and it shall be secured in order to avoid eavesdropping and unauthorized access to the TETRA TETRAPOL modem 4 2 Analysis of End User Requirements In the current paragraph the analysis and discussion of the End User Requirements document 2 is reported In part
49. is defined as the capability of the software product to be understood learned used and be attractive to the user when used under specified conditions Hence the following principles will be taken into account e Learnability how easy is to accomplish basic tasks from the first time the user interacts with the Ul The functionalities presented to the user should be limited to exactly what the user requires to get to their goal e Efficiency Number of steps it takes for a user to complete a task i e resources expended in relation to the accuracy and completeness with which the user achieves a goal Key tasks should be made as efficient as possible In few words how much effort often in terms of time do users require to do what they require e Effectiveness The degree of accuracy and completeness with which the user achieves a specified task in a certain context In few words do user what they want to do At this aim it is extremely crucial in the Ul design to early focus on users analyse what tasks they will perform which are most important and what decisions the users will make while using the device e Memorability Ul should be easier to use each time the user interacts with it Obviously a key factor is the frequency of use e Safety and Error Recovery Users should never be allowed to make a mistake In any case mistakes in the input data have to be easy to correct It should be possible to undo actions or if this is not po
50. l Late Entry Scanning Do not Disturb o Private communications Individual Call Multiparty Call Interconnect Call Date 9 06 2014 Approval status Approved Page 18 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 oie o Emergency communications Emergency Call crisis open channel Emergency Open Channel e VOICE SERVICES IN DIRECT MODE AND IN REPEATER MODE Direct Mode Call Direct Mode with Network Monitoring Dual Watch Repeater Mode Call Direct Mode Emergency Call Response to Direct Mode Emergency Call e DATA SERVICES Oo O O 0 0 o Messaging Services Inter Personal Messaging Service External Application Messaging Service o Status Messaging Service o Note In TETRAPOL standard specification the equivalence of SDS is named SUMS In TETRAPOL system all Tetrapol communications are always E2E Encrypted Clear mode is possible only through TETRAPOL network decision and configuration and limited to fallback situations As E2EE is always requested there is no request for AIE So far there is either no current available interconnection of TETRAPOL networks from different customers nor the interconnection of a TETRAPOL network with a TETRA network as specified in TETRAPOL PAS 0001 Part 10 Inter System Interface However specific solutions h
51. lable in TETRAPOL Date 9 06 2014 Approval status Approved Page 15 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 oie SDS is provided in ISI phase 3 and also by ISITEP project but in order to develop new added value applications for the ISITEP project the use of SDS would require the capability of the added value application on the network side to be able to send and receive SDS and no standard interface is available for the application on network side Moreover using SDS for data application would consume bandwidth on the ISI link Packet Data is not available in ISI phase 3 for this reason the packet data theoretically is out of the scope of the ISITEP project but the use of Packet Data would provide a standard IP interface toward the new added value applications The different PPDR networks should be interconnected using an additional IP link and the application data traffic would not consume the bandwidth of the ISI link reserved for the other TETRA services speech calls and SDS Both SDS and Packet Data provide narrow band access so only narrow band application can be provided in ISITEP project Enhanced data service TEDS has been standardized only for TETRA but we cannot assume to use it because it is not available in TETRAPOL network and b
52. mantic translator will explore all available state of the art SMT systems to find the solution the best suits with TETRA TETRAPOL users needs and requirements 5 5 Requirements for PPDR cloud added value functions and applications ISITEP project s scope is to realize a unique European digital professional network in order to provide all the PPDR agencies with communication services and improve international mono agency and multi agency cooperation Date 9 06 2014 Approval status Approved Page 37 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ie In order to improve cooperation ISITEP project provides the following added value functions and applications Location Assisted Numbering Dynamic Functional Numbering Enhanced Message Exchange Application Such services are based on data exchange between applications developed at terminal and network levels this means that terminals shall be compatible with the considered applications In a cross border scenario where there is unlikely compatibility between different national radio systems and mobile applications the first aspect to be considered is to guarantee that such services are still available for the migrating radios in the home network across the ISI link A common framework for appl
53. minals The scope of the ISITEP project is to realize a unique trans European PPDR network that is able to provide communication services to all European PPDR forces The trans European PPDR network will be realized interconnecting the PPDR networks already available in different countries in most cases different network operators manage PPDR networks belonging to different countries It can be assumed that there will be only small areas where more PPDR networks provided by different operators overlap precisely along the boundaries of the countries In this context the main requirement is that communication service is always guaranteed i e in case an intervention team crosses the border communication services shall continue to be available without requiring any user manipulation on the terminal Another point to be considered is that the interconnection between PPDR networks will be realized using ISI interface but not all the PPDR services and features will be available across ISI interface for the ISITEP project then each PPDR terminal will have access to the entire set of PPDR services only when it is located under its home PPDR network As a consequence the automatic network selection criteria shall consider signal strength and terminal settings related to network preferences Optionally the automatic network selection may also consider other criteria such as that described above e g operator policies for network selection location of t
54. n this case a predefined translation table that maps messages and simple phrases in different languages will be used by the off line dictionary that will automatically translate the message into the destination language When dealing with SDS the off line dictionary will translate blocks of words prefixed expression available on the translation table while considering the elements not available names etc on the translation table as free text The translation process is completely transparent both for sending and receiving parties e Incase of more complex sentences or less common unusual commands exchanged by users statistical machine translation SMT systems will be used This approach allows to automatically train translation models for any language pair still keeping the translation process completely transparent for the entities Definition of useful predefined text messages should be extracted from the analysis of workflows specified in SP3 4 2 6 Data transport used between a network application and the relevant terminal application In the ISITEP project there are different applications that require interaction between a network side and terminal side applications these are Workflow manager Localization service Dynamic Functional Numbering Extended Message Exchange Application TETRA and TETRAPOL standards offer two options to transport data SDS and Packet Data TETRA provides also enhanced data service TEDS not avai
55. ocalization service is standard TETRA feature while access to remote data bases and picture transfer are not standard TETRA services even if they rely on standard TETRA Short Data Service SDS or TETRA Packet Data Service PD The scope of the document is to face only with standard applications foreseen in ISI phase 3 and with the new applications foreseen by ISITEP project For this reason access on remote databases and picture transfer are not analysed in the present document ISITEP specific applications are Workflow manager this is an application that allows keeping trace of activities performed during PPDR operations see end user requirements analysis for the workflow in par 4 2 4 Semantic and Syntactic translator see end user requirements analysis in par 4 2 5 Location Assisted Numbering no indication from end user requirements Dynamic Functional Numbering no indication from end user requirements Enhanced Message Exchange Application no indication from end user requirements 4 2 4 Existing national workflows A workflow consists in a sequence of actions that shall be performed by first responders participating to a PPDR operation there are three kinds of first responders Intervention teams Leader of the intervention team Dispatcher operators In cross border PPDR operations first responders belong to different countries and the responsibility for the overall coordination of the PPDR operations is in c
56. on I ETR FUN 2 q Adaptation and Communication Manager shall translate instructions from user interface and business logic into commands toward TETRA and TETRAPOL modem and vice versa The following commands shall be supported at least Switch on off the TETRA TETRAPOL Modems Group selection Individual call Group call Short data messages Rationale Adaptation and Communication manager is the abstraction layer between the TETRA TETRAPOL modems and the radio user interface Applicable To ACM Discussion Open issues 1 ID Description I ETR FUN 2 p Adaptation and Communication Manager shall be able to monitor TETRA and TETRAPOL access network At least the following information shall be provided RSSI Date 9 06 2014 Approval status Approved Page 29 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 cite MCC and MNC Security class 1 1 3 2 3 Networked or FallBack Ete Rationale RSSI can be used to manage migration MCC and MNC can be used to notify to the radio user information on the available SwiMi Security Class security can be reached in different ways in each PPDR network it is useful for the radio user to know the
57. on of the entities that will be in charge of the tasks monitoring and update of the temporal evolution of processes in general the user will be ordered to follow instructions or will directly have the chance to plan manage monitor and control all the activities to be carried out adding if needed additional information that can result to be useful while checking the temporal evolution of the processes 4 2 5 Semantic and syntactic translation International cooperation requires breaking down the language barrier indeed for a radio user that wants to send status messages it would be useful to have access to a predefined text messages library that has a translated corresponding message version at the destination party if the destination party speaks a different language if the translation process was completely transparent for both entities a successful interoperability and cooperation could be guaranteed ISITEP will define and implement a syntactic and semantic translator so that a PPDR user accustomed to operate with a TETRA national device shall be able to operate in the same way same language same procedures with an ISITEP smart device even under foreign TETRA TETRAPOL networks The semantic and syntactic translator will be used in two scenarios e Incase of status messages or SDS exchange and in particular when officers on the field in emergency situations have to receive specific orders from the leaders or from the dispatcher i
58. osed terminal architecture is reported In the following the main features of the system will be listed e Physical layer Bi technology terminal equipped with a TETRA TETRAPOL modem and a programmable platform The programmable device shall be a Smartphone as well as a Tablet computer running the Android Operating System The first one is suitable for vehicular based applications while the latter is devised as user equipment e Adaptation Communication Manager is the interface decoupling the higher stack levels from the physical layer In particular jt implements the functionalities commands controls and messages required to allow the communication between the TETRA TETRAPOL modems and the User Interface Adaptor amp Business Logic it exploits a terminal control interface PEI for TETRA and PEl equivalent for TETRAPOL independent from the specific modem employed Date 9 06 2014 Approval status Approved Page 10 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 E it implements a location assisted roaming service that provides an automatic vertical handover between TETRA and TETRAPOL technologies when mobile terminals are moving across different countries networks e User Interface Adaptor amp Business Logic the User Interface Adaptor am
59. p Business Logic is the set of functionalities devoted to the personalization of human machine interface according to specific user and operational needs available network coverage etc Such functions are designed over an application oriented architecture It will integrate the security layers for guaranteeing the security level requested by the application e Workflow Manager has the task of enabling proper handling of location based and PPDR event aware workflows making use of a standardized representation e g workflow charts The workflow manager is used for assuring the use of common procedures for PPDR resources The system shall support browsing of preloaded workflow charts through the User Interface e Semantic Syntactic Translator allows reducing language barriers in particular it has the task of defining and implementing a minimal technology necessary to semantically and syntactically translate the human interface on ISITEP terminals In more details o It will be based on a database of the most common corpus defined by the end users o The corpus will be translated in several European languages This database will constitute the reference corpus for the system o It will provide services as the translate option exploiting a search algorithm for quickly finding the most likely translation among multiple choices e Security Manager is responsible to handle security issue related to the enhanced ISITEP terminal TETRA and TETRAP
60. ptation and Communication Manager ACM Date 9 06 2014 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee Approval status Approved Page 22 43 ID ISITEP_D5 1 1_20140609_V1 2 ISI i EP User Interface and Business Logic UI amp BL Security Manager SM Workflow Manager WM Semantic and Syntactic Translator SST Dynamic Functional Numbering Application Location Assisted Numbering Application Enhanced Message Exchange Application Table 2 ISITEP enhanced terminal sub elements The requirements shall be formalized according the following format ID Description I ETR TTT N a This field contains the requirement Pre Requisite This field is used to identify if the requirement satisfaction is based on some pre requisite Rationale This field is used to justify the requirement Applicable To This field is used to specify the impacted sub elements Discussion Open issues 1 This field can be used for discussion on requirement 5 1 General Requirements TETRA and TETRAPOL modems shall provide a set of standard capabilities needed to provide those TETRA and TETRAPOL services required by end user requirements for non ISI and ISI context It has been required to be aligned at least to ISI p
61. security class provided by the SwiMi Applicable To ACM TETRA TETRAPOL Discussion Open issues 1 ID Description I ETR MIS 1 qa User Interface shall provide the radio user the possibility to select automatic or manual migration Rationale According to the PPDR scenario the radio user may be more interested in keeping active the connection with its home network than moving to a foreign network Applicable To UI amp BL Discussion Open issues 1 ID Description I ETR MIS 1 b In case migration is performed manually the user interface shall provide the radio user the possibility to select the serving network Rationale The radio user is able to perform manual selection of the discovered PPDR network Applicable To UI amp BL Discussion Open issues Date 9 06 2014 Approval status Approved Page 30 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 4 1_20140609_V1 2 ites ID Description I ETR MIS 1 c If migration is performed automatically the Adaptation and Communication Manager shall consider e Whether candidate networks are home visited networks e The security level of candidate networks e The services availa
62. ssible for example deleting data the user should be warned and should need to confirm it e Simplicity Simple tasks never require complex procedures and complex tasks are tailored to the human hand and mind Hence most used tasks should be easy and less common tasks should be possible The app shall be designed so that all its features and tasks are intuitive and easily discoverable Unnecessary functionality should be avoided and the visual design and layout should be kept uncluttered In a simple designed UI users won t have to supply any additional settings because the app is already set up to behave the way they expect e Mapping What the user expects to happen when they interact with the interface is exactly what should happen e Visibility Important information should be the most visible and less important information should be less visible For example interactive element have to be given ample spacing text should always be legible appropriate colours should be used At this aim understanding the users goals is critical e Feedback User should always be in control of the interface and not the other way around People s actions shall be acknowledged the action results should be clearly shown and users should be constantly updated on the progress of their task Vocal interaction could be also considered e Satisfaction How much the user enjoys or dislikes using the software e Consistency Like items should always be displayed
63. to a foreign network the DFN terminal side application shall ask to the DFN network side application to provide the list of special numbers available in the foreign country The DFN network side application should send the list of special numbers available in the foreign country to the DFN terminal side application The DFN terminal side application shall then update the terminal address book and the emergency button with the special numbers received by the DFN network side application linking each special number to the proper agency name Pre requisite In each PPDR Network it shall be possible to define the association between a special number and the number used to contact each agency in each area at least based on Location Area Rationale Applicable To Network Terminal Discussion Open issues iis Date 9 06 2014 Approval status Approved Page 39 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 cite 5 5 3 Enhanced Message Exchange Application One of the main obstacles in the coordination of international joint PPDR operations is the different languages used by the intervention teams The Enhanced Message Exchange EME Application is the feature that provides the transport of orders by usin
64. trolled mechanism Operator policies may be dynamically provisioned over the air or be pre programmed in terminals Network selection policies could be adjusted to the needs of specific PPDR operations e g incident based network selection policies User information e g user subscription profile with network access rights user preferences user s role in an incident analytics with historical data etc Application service specific requirements e g encryption service continuity application type voice data connection etc In addition the use of applications in terminals may be subject to prioritisation that could also impact on network selection for example upon the initiation of a responder emergency function an agency defined list of applications shall be given the highest priority and may pre empt if necessary other resources to be admitted in a given network The priority and quality of service QoS settings of applications may be dynamically modifiable based on the incident and locally defined needs Device location and time of day Terminals should include the capability to collect and convey terminal location data in near real time Terminals may support ancillary hybrid means to augment and enhance location determination e g compass or accelerometer RF pattern matching Wi Fi altimeter secondary satellite constellation A GNSS etc Date 9 06 2014 Approval status Approved Page 26 43 This document is prod
65. ts and alarm warnings Complete both synoptic and analytic informative files to support Task execution for each operational unit task list and work in progress status monitoring Monitoring and supervision of the correct activity execution Monitoring and supervision of the organizational structure efficiency level To this aim the Workflow Manager shall support e Definition and updating of the organizational structure including composition and consistency of the operational units and functions and duties assigned to them e Tasks processes and events definition e Entity status automatic update when executing specific tasks and or processes e Manual data entry for additional information concerning carried out actions e Workflow evolution monitoring Date 9 06 2014 Approval status Approved Page 35 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 oie e Workflow dashboard as synoptic and analytic informative files that form the resource dashboard both with the aim of to be carried out activity planning and monitoring and control The dashboard must show the fixed deadlines activity workflow working progress and the assigned priorities e Priorities management and supervision of the tasks assigned to each resource with possible reassignment
66. uced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 oie Local operational environment of the terminal Terminals may implement device intelligence features regarding the computation and use of real time conditions that influence the network selection and traffic routing decisions Potential context information to obtain and leverage is o Mobility conditions Motion of the terminal relative to one or more base stations or access points e g terminal speed with respect to one or more access points that may be estimated by the device according to implementation dependent mechanisms o Power conditions e g battery levels and usage Radio network characteristics e g technology supported features capabilities venue specific information Terminals should be able to discover in an efficient manner resource consumption and responsiveness which access networks are available in the vicinity of the terminal including radio access network identifiers and technology specific information Radio network conditions e g signal strength quality network load barring criteria Network discovery and selection functionality should not be limited to TETRA and TETRAPOL networks but designed to support access through additional radio interfaces such as Wi Fi and 3GPP if implemented in ter
67. uirements e Existing PPDR terminals belonging to both TETRA and TETRAPOL technologies e The definition of requirements for application enabled bi technology terminal in particular both features and interfaces for the physical layer the Adaptation and Communication Manager and the User Interface Adaptor amp Business Logic have been included e Interoperability requirements presenting how the Workflow Manager the Semantic Syntactic Translator and the Security Manager will manage the constraints in terms of required features and technology e The requirements for PPDR cloud added value functions and applications which would provide all the PPDR agencies with communication services and improve international mono agency and multi agency cooperation The document will be used as a starting point for the definition of the Adaptation Communication Manager WP 5 2 the Security Manager WP 5 3 the Workflow Manager WP5 4 the Semantic Syntactic Translator WP 5 5 and the User Interface and Business Logic Manager WP 5 6 Date 9 06 2014 Approval status Approved Page 42 43 This document is produced under the EC contract 312484 It is the property of the ISITEP Parties and shall not be distributed or reproduced without the formal approval of the ISITEP Steering Committee ID ISITEP_D5 1 1_20140609_V1 2 ISI j EP 7 REFERENCES 1 D 2 2 2 Security Requirements 2 D 2 3 1 End User Requirements Specification 3 D 2 4 x System ar
68. y a product can be used comfortably by a wide variety of people including users who have visual physical or age related limitations that prevent them from fully seeing or using a touchscreen and users with hearing loss who may not be able to perceive audible information and alerts Android design patterns were created in accordance with universal design principles and ISISTEP smart device will follow them to meet basic usability standards Enable Android s accessibility tools TalkBack Explore by Touch and Accessibility settings and provide vocal and visual feedback will make the implemented app as accessible as possible e Portability in an Android Ul size bucket as handset or tablet and density bucket as low density dots per inch LDPI medium density dots per inch MDPI high density dots per inch HDPI extra high density dots per inch XHDPI extra extra high density dots per inch XXHDPI and extra extra extra high density dots per inch XXXHDPI will be taken into account This implies for example providing each icon in multiple sizes The guidelines followed by main mobile UI suppliers suggest that usability is not an intrinsic characteristic of the product itself but it refers to interaction process between users product and goals to be achieved It will then be evaluated not with direct measurement but quantified by means of indirect measures or attributes The above criteria will be considered in the bi technology device Ul design and evaluate
69. ystem is not widely used today e Phrase based the co occurrences of words and segments phrases are used to infer translation correspondences between continuous sequences of words in the two languages of interest e Syntax based based on the idea of translating syntactic units rather than single words or strings of words e Hierarchical phrase based which combines the strengths of phrase based and syntax based translation This system uses phrases segments or blocks of words as units for translation and uses synchronous context free grammars as rules syntax based translation The more data is used or in general the closer the data used is to the type of data to be translated the more accurate the translation system is In general the benefits of statistical machine translation over other approaches as rule based systems are e Better use of resources that can be explained with the use of natural language with the flexibility SMT systems are generally not tailored to any specific pair of languages and with the automatic training model of the systems rule based translation systems require the manual development of linguistic rules which can be costly and which often do not generalize to other languages e More natural translations even if using statistical matching to translate rather than a dictionary grammar rules approach can often result in text that include apparently nonsensical and obvious errors ISITEP syntactic and se
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