Presence: Sensor-Based Home Management System
Contents
1. 4 Standards IEEE Standard 142 Foundation for Grounding 6 1 5 Priority 1 Critical Packaging Safety 6 2 1 Description The server shall not be composed of packaging that includes unusually sharp edges or materials that can induce harm to an individual 6 2 2 Source GLaDOS 6 2 3 Constraints None 6 2 4 Standards None 6 2 5 Priority 2 High SRS Version 1 0 32 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 6 3 Operating Temperature 6 3 1 Description The server shall not expel an excessive amount of heat during its operation The internal hardware should dissipate enough heat and allow sufficient airflow so that the server operates at a reasonable temperature that will not burn the user or the surrounding environment 6 3 2 Source GLaDOS 6 3 3 Constraints None 6 3 4 Standards None 6 3 5 Priority 2 High SRS Version 1 0 33 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 7 Maintenance and Support Requirements This section specifies the requirements involved with both maintaining and providing continuous support for Presence after delivery It will specify the scope of maintenance and the methods by which such maintenance will be provided for Presence It will include documentation that will be used as well as how the development team can be contacted if any problems or questions arise from the use of Presence 7 1 7 2 Maintenan2. An electronic door lock will need to be integrated into the system either by wire or wirelessly to receive commands from the server 3 3 2 Source GLaDOS 3 3 3 Constraints Must be compatible with server and sufficient open source API software may be difficult to find 3 3 4 Standards None 3 3 5 Priority 1 Critical Digital Thermostat 3 4 1 Description A digital thermostat will need to be integrated into the system either by wire or wirelessly to receive commands from the server 3 4 2 Source GLaDOS 3 4 3 Constraints Must be compatible with server and sufficient open source API software may be difficult to find 3 4 4 Standards None 3 4 5 Priority 1 Critical RFID Reader Writer 3 5 1 Description An RFID reader writer will be used to interface RFID bands with the server 3 5 2 Source GLaDOS 3 5 3 Constraints Must be able to secure RFID tags to prevent unauthorized use 3 5 4 Standards None 3 5 5 Priority 1 Critical SRS Version 1 0 19 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 3 6 3 7 3 8 Programmable RFID Bands Tags 3 6 1 Description RFID bands or tags will be associated to individual users for identification and must be programmable 3 6 2 Source GLaDOS 3 6 3 Constraints Must have security features to prevent unauthorized reading spoofing 3 6 4 Standards None 3 6 5 Priority 1 Critical Android Application 3 7 1 Des
3. Dee 42 OD Verify Thermostat Comos 42 We Be 43 10 1 Switch Lights On Off Sensor Based ccccccssscecssccecseccecssececsseceessececsscceenseeeensecsesseeseeeens 43 10 2 Switch Lights On Off Application Based 0 esscssscesoeesceteeccetseeconeescetseecesersontescensees 43 10 3 Lock Unlock Door SensOr pe es nel 44 10 4 Lock Unlock Door Application Based ocoonnccnnnnncconnncnnnnnnonnnacononancnona con noconna nono noconn rencoroso 44 10 5 Change Temperature SensOr Based scsi ccscaasssesccessscceasancssdacctanssaa es condado eden casccsateadeseace 44 10 6 Change Temperature Application Based EE 45 10 7 Change Fan Speed Sensor Based ucraniana oir 45 10 8 Change Fan Speed Application Based ii A a ia 45 10 9 Create User Account Application Based coooocccnonccnnnncconnnanononacononacononacononanonnocononanonnani nnss 46 10 10 Wser Sian In Appli ation Based eien E san gee ota aon ara 46 10 11 Create Settings Profile Application Based ooooconnnonocnnnoccnnnncnnnnacononacononacononancnonanononocnonnannon 47 10 12 View Change Settings Profiles Applicaton Based AAA 47 LE Feasibility Assessment ninien nna a a e E suacaa a ees evanadens 51 11 1 SCOpe ADALYSIS PA Ee ee A AD R a E 51 11 2 RES CAN CE EE 51 11 3 hrer 52 11 4 E CT 52 11 5 Resources Analysis nt A eudie nine 53 11 6 Schedule KEE 54 12 EE 57 12 1 Customer Requirement 3 18 Home Stereo Interface ooooocnnnncninninoncnonnnnn
4. Function Point Analysis Unadjusted Function Point Total Table 11 2 Function point analysis Totals 29 28 12 45 20 134 Table 11 2 shows the various function types and the analysis of our project with respect to each type The unadjusted function point total came out to 134 The logical internal files make up a majority of the function points The number of inputs and number of outputs also make up a very significant portion of the function points due to application overhead and control of multiple peripherals SRS Version 1 0 Influence Multipliers Data Communications Distributed Data Processing Performance Heavily Used Configuration Transaction Rate Online Data Entry End User Efficiency Online Update Complex Processing Reusability Installation Ease Operational Ease Multiple Sites Facilitate Change Total Adjustment Factor Effort Value 0 5 4 w CO ra FA LA C3 Fa Li ra Li Lu BO LA LA 0 98 Table 11 3 Adjustment factors 54 GLaDOS System Requirements Specification RFID Sensor Based Home Management System To find the adjustment factor the team assigned values to each of the 14 influence multipliers Table 11 3 shows each multiplier and the value the team assigned it The total of all multipliers was used in the following formula to compute the adjustment factor Adjustment Factor AF 0 65 Total 0 01 AF 0 65 33 x 0 01 0 98 As shown above the adjustment factor came out to 0 9
5. Play publishing standards 4 4 5 Priority 1 Critical Power Supplies 4 5 1 Description There will be an AC adapter for the server and appropriate batteries for any non wired devices such as the door lock and the thermostat 4 5 2 Source GLaDOS 4 5 3 Constraints None 4 5 4 Standards US National Electrical Manufacturers Association NEMA 5 15R 4 5 5 Priority 1 Critical SRS Version 1 0 27 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 4 6 User Manual 4 6 1 Description A user manual will be provided for the initial setup of Presence The user manual will also guide user through use case scenarios to familiarize the user with the system It will include best practices for installation as well as troubleshooting procedures 4 6 2 Source GLaDOS 4 6 3 Constraints None 4 6 4 Standards English US language only 4 6 5 Priority 3 Moderate SRS Version 1 0 28 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 5 Performance Requirements This section specifies the requirements that should be met in order to assure that Presence functions properly The Android application is a key component and should interface with the server with as little latency as possible The server and sensors must also gather and send data through the Wi Fi connection quickly 5 1 RFID Recognition Distance 5 1 1 Description A user s RFID tag should be detectable
6. adjustment SRS Version 1 0 44 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 10 6 10 7 10 8 Change Temperature Application Based 10 6 1 Scenario The user opens Presence Android application on their mobile device and taps the Temperature button The application displays the current temperature setting of the thermostat as well as and buttons to adjust the temperature At this point the user can set the desired temperature and then tap Submit to confirm the settings 10 6 2 Actor s User 10 6 3 TUCBW The user opens the Android application 10 6 4 TUCEW The user can see the thermostat change to accommodate the new settings Change Fan Speed Sensor Based 10 7 1 Scenario The user scans their RFID tag with the RFID reader and that information is transmitted to the server which adjusts the fan speed As the user scans their RFID tag upon leaving the home that information is transmitted to the server which readjusts the fan speed 10 7 2 Actor s User 10 7 3 TUCBW The user scans their RFID tag with RFID reader 10 7 4 TUCEW Presence automates adjusting fan speed Change Fan Speed Application Based 10 8 1 Scenario The user opens Presence Android application on their mobile device and clicks the Fans button The application displays the toggle buttons associated with each fan controlled by Presence and their current switch posit
7. design microcontroller specification and Assembly programming One of the team s three Computer Scientists has significant professional software development experience for Android and will be the lead software architect The team s Software Engineer will be in charge of software and hardware testing as well as risk management Another Computer Scientist will be the project manager by taking charge of all documentation and customer relations That Computer Scientist will also be the security analyst The final team member will be in charge of finances and budgeting All team members have excellent programming skills and two of the five members have extensive experience dealing with hardware The team s only weaknesses will be encountered during performance tuning mechanical design and any potential multiprocessing or distributed systems requirements SRS Version 1 0 53 GLaDOS System Requirements Specification 11 6 Schedule Analysis RFID Sensor Based Home Management System The team used three methods to estimate the length of the project The initial method the team decided to use was Jones First Order Estimation This method generates function points based on each individual module of the project Function Type Low Medium High Complexity Complexity Complexity Number of Inputs 5x3 2x4 1x6 Number of Outputs 4x4 1x5 1x7 Inquiries 4x3 0x4 0x6 Logical Internal 5x7 1x10 0x15 Files External Interface 4x5 0x7 0x10 Files
8. off low medium high The temperature will change The door lock will toggle between locking unlocking Table 2 1 External inputs and outputs 10 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 2 3 Product Interfaces PRESENCE Create Account Figure 2 1 Login screen SRS Version 1 0 11 GLaDOS System Requirements Specification RFID Sensor Based Home Management System SIA Text Last Name Text Email Text Username Password Confirm Password Submit Figure 2 2 Create user screen SRS Version 1 0 12 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Temprature Door Locks Figure 2 3 Home screen SRS Version 1 0 13 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Lights Control C Figure 2 4 Light control screen SRS Version 1 0 14 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Thermostat Temprature Figure 2 5 Thermostat control screen SRS Version 1 0 15 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Figure 2 6 Fan control screen SRS Version 1 0 16 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Door Locks e Figure 2 7 Door lock control screen SRS Version 1 0 17 GLaDOS System Requirements Specification RFID Sensor Based Home Management Syst
9. on the overall feasibility assessment the team concludes that completing this project within the given timeframe is highly probable SRS Version 1 0 56 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 12 Future Items This section specifies additional feature requirements for Presence that may be implemented as time and schedule allow but will likely be pushed into future development in the interests of meeting the project deadline and releasing a stable viable product 12 1 12 2 12 3 Customer Requirement 3 18 Home Stereo Interface 12 1 1 Requirement Description The system will incorporate customizable musical playlists for users which will play automatically when a user s RFID tag is detected It can also be configured to stop start playing manually from the Android application 12 1 2 Constraint Due to having a feature rich requirement set early on in the planning phase the team realizes the importance of delivering a timely high quality product As a result the team has decided to put this feature off until future development Customer Requirement 3 19 TV Interface 12 2 1 Requirement Description The system will incorporate integration with a television via infrared transmitters and receivers It can be configured to be turned on automatically when a user s RFID tag is detected and it can be configured manually from the Android application 12 2 2 Constraint Due to havin
10. so that critical and high priority requirements are completed first 11 2 Research The team has completed extensive hardware research in order to refine the requirements to determine feasibility Devices researched include the Raspberry Pi microcontroller 5V relay switches Wi Fi enabled light and fan switches digital thermostats and electronic door locks infrared transmitters and receivers RFID readers writers RFID tags bands and Android platforms The interface between the server and the peripheral controllers for each of the other subsystems has also been researched The team has found that there is not a wide selection of open source API s to connect the server to the controllers such as a light switch controller However open source controller API s are not non existent either The customer is also very knowledgeable with years of teaching experience and has been a valuable asset to the team regarding information related to the project The customer will continue work with the team to solidify key requirements and help devise methods of implementation SRS Version 1 0 51 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 11 3 Technical Analysis The team is comfortable with a specific server to be used as the central control for Presence but would like to do more research before making any final commitments However this choice is subject to change in the event that refined requirements n
11. within 4 inches 5 1 2 Source GLaDOS 5 1 3 Constraints The quality frequency and passivity of the RFID tag will determine how far away it can be to be recognized by an RFID reader 5 1 4 Standards None 5 1 5 Priority 3 Moderate 5 2 Settings Activation Latency 5 2 1 Description Upon receiving a settings change command the system should take no more than 2 seconds to activate the user s profile and or settings 5 2 2 Source GLaDOS 5 2 3 Constraints None 5 2 4 Standards None 5 2 5 Priority 2 High SRS Version 1 0 29 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 5 3 5 4 5 5 Database Query Response Time 5 3 1 Description Since the database management system will be on the server itself database lookups should take less than 1 second 5 3 2 Source GLaDOS 5 3 3 Constraints Onboard processing power and memory on server 5 3 4 Standards None 5 3 5 Priority 3 Moderate Server Response Time Over WLAN 5 4 1 Description The Android application will be used to control Presence The server should take no longer than 5 seconds to respond to a command given by the application over the Wireless Local Area Network 5 4 2 Source GLaDOS 5 4 3 Constraints The Wi Fi signal strength and specific standard used 5 4 4 Standards IEEE 802 1 1a b g n ac 5 4 5 Priority 2 High Server Response Time Over 3G 4G Networks 5 5 1 Description The Android applica
12. 2 Actor s User 10 10 3 TUCBW The user opens the Android application 10 10 4 TUCEW The user logs in with their credentials and is taken to the Home screen SRS Version 1 0 46 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 10 11 Create Settings Profile Application Based 10 11 1 Scenario The user opens Presence Android application on their mobile device and taps the Profiles button The user will be taken to a screen with two buttons View Profiles and Create Profile The user taps Create Profile which takes them to a screen where they will name the profile choose settings for each device in the home and tap Submit once completed A pop up will then ask the user if they wish to make this new profile their current profile After tapping Yes or No on the pop up the user will be returned to the Home screen 10 11 2 Actor s User 10 11 3 TUCBW The user opens the Android application 10 11 4 TUCEW The user can see the new profile in the View Profiles screen The current profile will be indicated by bold text 10 12 View Change Settings Profiles Application Based 10 12 1 Scenario The user opens Presence Android application on their mobile devices and taps the Profiles button The user will be taken to a screen with two buttons View Profiles and Create Profile The user taps View Profiles where a n
13. 26 A ta A des act veteran liba tua satapaueticniy wadeaua su E anes NR 26 A Weight acjeuccustes ee deed 26 e EE 27 4 4 Android Application Publication venian iio cria ege 27 45 PoWwersup ple anta 21 46 USE A 28 5 Performance Requirements an 29 5 1 REID Recognition Distance A aoa ees 29 5 2 Settings Activation Latenty iia 29 5 3 Database Query Response iO o iS d 30 54 Server Response Time Over WLAN ssssssssssssssssesserssessseresseeessresseesseesseeesseeessresseesseeeseeesseeesseese 30 5 5 server Response Time Over 3G 4G Networks Ad e 30 5 6 Android Application Startup Delay viii di 31 PENSIE GE 32 6 1 Electrical Circuit Grounding cisnienie ing e dee 32 02 PACA A ee 32 6 3 Operating Kee 33 7 Maintenance and Support E EE 34 TL Maintenance Scope EE 34 T2 Android M Version SU PO A e i E 34 PI PD OURCE CC Be OMS ii 35 7 4 Source Code Schematics Documentation Availability oonoocnnncccnoncccnoncncnoncnononcnononcnonnncnnnns 35 Fe User Mania ui A NIESE ESES e Eiaa 36 LO Installation EE 36 Ti EE er E GE 36 TS Multiple BE en dE 37 Other ISGP EE 38 9 1 WA e KEE 38 8 2 Application Security and Privacy E 38 8 3 a Ee 39 SRS Version 1 0 3 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 4 Manual RTE 39 9 Acceptance Criteria irissen ea a E ds 40 9 Verity User Account O 40 Ee As A E a ES 4 9 3 ee A eege ere 41 94 Verify Door Lock Control ninia ENEE EEN
14. 3 Lock Unlock Door Sensor Based 10 3 1 Scenario The user scans their RFID tag with the RFID reader and that information is transmitted to the server which unlocks the door As the user scans their RFID tag upon leaving the home that information is transmitted to the server which locks the door 10 3 2 Actor s User 10 3 3 TUCBW The user scans their RFID tag with RFID reader 10 3 4 TUCEW Presence automates locking unlocking the door 10 4 Lock Unlock Door Application Based 10 4 1 Scenario The user opens Presence Android application on their mobile device and taps the Door Locks button The application displays the toggle button associated with each door lock controlled by Presence and their current lock state At this point the user can tap any of the toggle buttons to lock unlock doors 10 4 2 Actor s User 10 4 3 TUCBW The user opens the Android application 10 4 4 TUCEW The user can see the lock state of the doors and adjust them manually 10 5 Change Temperature Sensor Based 10 5 1 Scenario The user scans their RFID tag with the RFID reader and that information is transmitted to the server which adjusts the thermostat As the user scans their RFID tag upon leaving the home that information is transmitted to the server which adjusts the thermostat to conserve energy 10 5 2 Actor s User 10 5 3 TUCBW The user scans their RFID tag with RFID reader 10 5 4 TUCEW Presence automates thermostat
15. 8 which means the team s adjusted function point total is slightly less than the unadjusted function point total Adjusted Function Point Total 0 98 134 131 32 Unadjusted Function Point Total 134 Influence Multiplier 0 98 Adjusted Function Point Total 131 32 Table 11 4 Unadjusted and adjusted function point totals Given the adjusted function point total the team performed Jones First Order Estimation The project falls under the Systems type therefore the estimation values are associated with that type of software Jones First Order Estimation Best Case Average Case Worst Case Adjusted Function 131 320483 131 32045 131 32048 Points Totals in months 8 14 8 98 10 39 Table 11 5 Jones First Order Estimation Table 11 5 shows that the best case scenario for reaching project completion is 8 14 months The worst case scenario could extend the product to 10 39 months At this point the team decided to use the semi detached Constructive Cost Model CoCoMo as a second method of estimation It measures effort E in person months and duration D in months The team used an aggressive estimate of 4 000 SLOC and a conservative estimate of 8 000 SLOC CoCoMo Equations E a KSLOC D c E In the semi detached CoCoMo a 3 0 b 1 12 c 2 5 and d 0 35 The aggressive and conservative estimated calculations are as follows Aggressive Estimate CoCoMo Calculation E 3 0 4112 14 17 person months
16. D 2 5 E 6 32 months SRS Version 1 0 55 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Conservative Estimate CoCoMo Calculation E 3 0 8112 30 8 person months D 2 5 E 35 8 3 months CoCoMo Estimation Aggressive Conservative Effort person months 14 17 30 8 Duration months 6 32 8 3 People Required 2 24 3 71 Table 11 6 Semi detached CoCoMo estimation Table 11 6 summarizes the findings of the CoCoMo Based on this model the best case and worst case scenarios for project completion are 6 32 and 8 30 months respectively By pairing those numbers with the numbers from Jones First Order Estimation the team has concluded that the project will take between 6 32 and 10 39 months with a likely completion time of 8 3 months Given the project time constraint of six months and the fact that the team added some buffer time in the tables above in the event of unforeseen risks and worst case situations To remove any lingering doubt the team decided to run the Sanity Test Weiss amp Wysocki which is as follows _ O 4M4 P With an optimistic duration of 6 32 months a nominal duration of 8 3 months and a pessimistic duration of 10 39 months the team calculates the following estimate y 0 32 4 8 3 10 39 8 32 months The Sanity Test estimation indicated that the project would take 8 32 months to complete which falls within the other two estimation models Based
17. Department of Computer Science and Engineering The University of Texas at Arlington GLaDOS PRESENCE Christian Burkhart Shawn Chandwani Jose Flores George Oroni John Podolanko Last Updated July 21 2014 1 08 AM System Requirements Specification RFID Sensor Based Home Management System Table of Contents Table of WEE 2 Dee LAAI p DEKOT A EE EE E EE EE 5 List of FIGURES norssi ei er AA A de 6 ist f KEE 7 PAS EE 8 LE Purpose ame RE 8 1 2 Intended WE EE 8 2 Product Description and Functional Overvieuw ENEE 9 2L Features and FUNCHUONS EE 9 2 2 External Inputs and QU A A E 10 DiS A A Ee 11 3s CUSTOMER A ll ab a E 18 Sil Genial zed Sev resinen cis cane Mca oe tel a nats Maes ies ite ict aad ioc eat a cai 18 32 Compatible Light Pan Switches sionista lidia EENS ca rra nii 18 33 VElectromce DOLO tit sl Cut laa Be ts atl a teat aa ES ase ee 19 34 Digital Nee 19 33 RFID Reader Wa E AS ege 19 3 6 Programmable RFID Bands Tags msi ias d e dE 20 Dal EE A Eeer 20 3 8 Database Management System DB MIS E eene Eug 20 3 9 Wiser ACCOUNt A E OM EE 21 3 10 User Settings Profiles ui dani Eden 21 3 11 MISE EE ere Ee 22 3 12 Application Er 22 3 13 SA ETAO VAO i a E E E E E cat AE E 23 3 14 Set Fan SPeeds ns 23 3 15 Loc Unlock EE 24 3 16 Adj st O tied tag 24 SRS Version 1 0 2 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 3 17 User Tee ee 25 4 Packaging Requirements ni is
18. amed list of profiles that the user created appears The current profile will be indicated by bold text At this point the user can tap any profile and a pop up will appear with the following selectable options Set to Current Profile Edit Settings and Delete Profile 10 12 2 Actor s User 10 12 3 TUCBW The user opens the Android application 10 12 4 TUCEW The user can see their list of settings profiles and the current settings will match the current profile SRS Version 1 0 47 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Lights Control Switch Lights On Off Sansor Based Switch Lights User On Off Appl cation Basec Figure 10 1 Light control use case diagram Door Control Lock Unlock Door Sensor Based User Lock Unlock Door Application Based Figure 10 2 Door control use case diagram SRS Version 1 0 48 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Temperature Control Change Temperature Sensor Based Change Temperature Apolication Based Figure 10 3 Temperature control use case diagram Change Fan Speed Sensor O Based Change Fan User Speed Application Based Figure 10 4 Fan control use case diagram SRS Version 1 0 49 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Create User Account Application Based User S
19. ccount information to create an account The user inputs their username and password into the application and is then able to interface with the system The User inputs an action to the android application The User inputs an action to the android application The User inputs an action to the android application The User inputs an action to the android application The user will be able to create a profile with preferred setting The server communicates with all devices and the application and stores all information The lights will communicate with the server to make changes The fans will communicate with the server to make changes The thermostat will communicate with the server to make changes The door locks will communicate with the server to make changes RFID Sensor Based Home Management System Use The user will create the account which they can use to interface with the system The user will be able to log into their account The user will be able to toggle the switch for the lights The user will be able to toggle the switch for the fan settings The user will be able to toggle the door locks The user will be able to set the temperature of the thermostat The user can switch between these anytime and set their preferred one as the default for their RFID tag Used to store retrieve information and send control signals to all devices The lights will turn on off The fans will switch between
20. ce Scope 7 1 1 Description Maintenance of Presence will include but is not limited to support for both hardware and software failure of Presence and update support for the Android application 7 1 2 Source GLaDOS 7 1 3 Constraints None 7 1 4 Standards None 7 1 5 Priority 4 Low Android Version Support 7 2 1 Description The supplemental Android application will support a minimum API Level of 16 which corresponds to Android Operating System version 4 1 2 Jelly Bean 7 2 2 Source GLaDOS 7 2 3 Constraints None 7 2 4 Standards None 7 2 5 Priority 2 High SRS Version 1 0 34 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 7 3 7 4 Source Code Commenting 7 3 1 Description The source code for the Android application affiliated with Presence will be extensively commented to allow for better readability 7 3 2 Source GLaDOS 7 3 3 Constraints None 7 3 4 Standards None 7 3 5 Priority 3 Moderate Source Code Schematics Documentation Availability 7 4 1 Description All source code developed by GLaDOS will be open source and will be made available in the project archive to future development teams All server and circuit schematics associated with the design of Presence as well as all documentation including System Requirements Specification Architectural Design Specification Detailed Design Specification and System Testing Plan will al
21. ch Presence will be useful is when a user returns home with their hands full carrying grocery bags or a briefcase This situation is where Presence really works on behalf of the user By utilizing sensors and having a centralized server to process this data the user does not have to set something down to find their keys to unlock the door and then turn on a light Overall Presence s goal is to make the user s life much simpler 1 2 Intended Audience The target audience for Presence includes energy conservationists tech savvy individuals and smart device enthusiasts of all ages The energy conservationist will find this device useful because it will turn off lights and adjust the thermostat when the user s presence is not sensed The tech savvy and smart device enthusiasts will enjoy the numerous automated functions Presence has to offer There is an assumption that the audience will own an Android mobile device and have a wireless network in order to take full advantage of Presence s feature set SRS Version 1 0 8 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 2 Product Description and Functional Overview This section provides the reader with an overview of Presence The primary operational aspects of the product from the perspective of the end users maintainers and administrators are defined here The key features and functions found in Presence as well as critical user interactions and u
22. cnconncnonocancnnnn ccoo cnn 57 12 2 Customer Requirement 3 19 TV Interface sii eise ito 57 12 3 Customer Requirement 3 20 Security Camera Interface 57 SRS Version 1 0 4 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Document Revision History Revision Revision Number Date 3 Jul 14 SRS First Draft Initial SRS distribution 16 Jul 14 Initial Revisions Cleanup Made customer s amp director s revisions Description Rationale Finalization requirements SRS Version 1 0 5 GLaDOS System Requirements Specification RFID Sensor Based Home Management System List of Figures Figure Title Page 2 1 Login screen 11 2 2 Create user screen 12 2 3 Home screen 13 2 4 Light control screen 14 2 5 Thermostat control screen 15 2 6 Fan control screen 16 2 7 Door lock control screen 17 10 1 Light control use case diagram 48 10 2 Door lock control use case diagram 48 10 3 Temperature control use case diagram 49 10 4 Fan control use case diagram 49 10 5 Door lock control screen 50 SRS Version 1 0 6 GLaDOS System Requirements Specification RFID Sensor Based Home Management System List of Tables Table Title Page 2 1 External Inputs and Outputs 10 11 1 Cost Analysis of Hardware Required 53 11 2 Function Point Analysis 54 11 3 Adjustment Factors 54 11 4 Unadjusted amp Adjusted Function Point Totals 55 11 5 Jones First Order Estimation 55 11 6 Semi Detached CoCoMo Estimatio
23. cription The Android application will be used to interface with Presence The application will give the user the ability to create an account that will be associated with their RFID tag and manually set the settings for subsystems associated with Presence such as lights fans door locks and thermostats 3 7 2 Source GLaDOS 3 7 3 Constraints None 3 7 4 Standards Android APK 3 7 5 Priority 1 Critical Database Management System DBMS 3 8 1 Description There will be a backend database management system set up on the server to store the information and preferences of the users The server will create queries based on the RFID tag information when an RFID tag has been scanned 3 8 2 Source GLaDOS 3 8 3 Constraints None 3 8 4 Standards SQL 3 8 5 Priority 1 Critical SRS Version 1 0 20 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 3 9 3 10 User Account Administration 3 9 1 Description The Android application will allow a user to create modify and delete user accounts and associate them with RFID tags This information will be stored in the DBMS 3 9 2 Source GLaDOS 3 9 3 Constraints None 3 9 4 Standards Android APK SQL 3 9 5 Priority 1 Critical User Settings Profiles 3 10 1 Description The Android application will allow a user to create modify and delete multiple profiles to adjust different settings in the home These profiles will be store
24. d in the DBMS 3 10 2 Source GLaDOS 3 10 3 Constraints None 3 10 4 Standards Android APK SQL 3 10 5 Priority 2 High SRS Version 1 0 21 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 3 11 3 12 User Login 3 11 1 Description The first screen shown by the Android application is the Login screen where the user can enter their username and password The user can also choose whether or not to have the device remember the login information to skip the Login screen in the future The user s credentials will be authenticated by the DBMS on the server 3 11 2 Source GLaDOS 3 11 3 Constraints None 3 11 4 Standards Android APK 3 11 5 Priority 1 Critical Application Menu Bar 3 12 1 Description The Android application will have a single menu bar at the top of every page after the user is logged in The menu bar will contain a Sign Out button for the user as well as a Refresh button which will get an updated status of all devices controlled by the server in the home 3 12 2 Source GLaDOS 3 12 3 Constraints None 3 12 4 Standards Android APK 3 12 5 Priority 3 Moderate SRS Version 1 0 22 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 3 13 3 14 Switch Lights On Off 3 13 1 Description The server can switch lights on off automatically or from manual configuration via the Android applicat
25. e associated Android application 4 1 4 2 Included Components 4 1 1 Description The packaging will include the following 1 server with a pre loaded operating system 1 electronic door lock 2 Wi Fi enabled light switches 1 digital thermostat 2 Wi Fi enabled fan switches 1 RFID reader writer 1 master RFID tag and 1 additional RFID tag 1 user manual specified in Packaging Requirement 4 6 and appropriate power supply accessories specified in Packaging Requirement 4 5 4 1 2 Source GLaDOS Customer 4 1 3 Constraints None 4 1 4 Standards None 4 1 5 Priority 1 Critical Module Weight 4 2 1 Description The weight of any one module will not exceed 10 pounds 4 2 2 Source GLaDOS 4 2 3 Constraints None 4 2 4 Standards None 4 2 5 Priority 3 Moderate SRS Version 1 0 26 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 4 3 4 4 4 5 Module Sizes 4 3 1 Description The size of any one module will not exceed 8 x 6 x 2 4 3 2 Source GLaDOS 4 3 3 Constraints None 4 3 4 Standards None 4 3 5 Priority 3 Moderate Android Application Publication 4 4 1 Description The Android application will be offered for free download from the Google Play Store 4 4 2 Source GLaDOS 4 4 3 Constraints Android mobile device must allow third party applications to be installed 4 4 4 Standards Android APK file format and Google
26. em 3 Customer Requirements This section specifies the hardware and software requirements set forth by the customer for Presence It will cover each software feature and give a description to establish a look and feel as well as give an idea why it was something that the customer wanted in the product The requirements will also be given a priority to give a general idea of how important each feature is to Presence 3 1 3 2 Centralized Server 3 1 1 Description There will be a centralized server that controls all of the required household peripherals stores user accounts and settings and maintains the database It will also interface with the RFID reader writer to associate RFID tags to specific users 3 1 2 Source GLaDOS 3 1 3 Constraints Must have sufficient processing power and memory to control multiple household peripherals 3 1 4 Standards None 3 1 5 Priority 1 Critical Compatible Light Fan Switches 3 2 1 Description Light and fan switches will need to be integrated into the system either by wire or wirelessly to receive commands from the server 3 2 2 Source GLaDOS 3 2 3 Constraints Must be compatible with server and sufficient open source API software may be difficult to find 3 2 4 Standards None 3 2 5 Priority 1 Critical SRS Version 1 0 18 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 3 3 3 4 3 5 Electronic Door Lock 3 3 1 Description
27. g a feature rich requirement set early on in the planning phase the team realizes the importance of delivering a timely high quality product As a result the team has decided to put this feature off until future development Customer Requirement 3 20 Security Camera Interface 12 3 1 Requirement Description The system will incorporate integration with home security cameras The user may view live security camera feeds in the home remotely and may switch them on off at will 12 3 2 Constraint Due to having a feature rich requirement set early on in the planning phase the team realizes the importance of delivering a timely high quality product As a result the team has decided to put this feature off until future development SRS Version 1 0 57 GLaDOS
28. g mode that turns the lights back on If the user wishes to go to sleep the user can select a setting mode that turns off the lights adjusts the thermostat and turns on a fan These are just a few of several configurable possibilities Presence will accommodate several users each of which can have their own settings configurable on the server from the mobile application Some settings such as thermostat control will have a hierarchal list of users whose preferences override those of others Lastly the administrator side of the mobile application allows a user to monitor conditions and override settings in the home when no one is present The user may view the feed from security cameras and may also manually adjust settings For instance if a user is out of town for a few days the user may wish to turn on the lights and the TV in the evenings to indicate the presence of a person in the home to would be burglars SRS Version 1 0 9 GLaDOS System Requirements Specification 2 2 External Inputs and Outputs Name Type Application Input Create Account Application Input Login Application Input Set Lights Output Application Input Set fans Output Application Input Lock Unlock Output Doors Application Input Set Output Temperature Application Input Create Profile Server Input Output Lights Output Fans Output Thermostat Output Door Locks Output SRS Version 1 0 Description The user inputs their a
29. he button designated to adjust the speed of the fan and verify that the fan is spinning accordingly We will test all four speeds off low medium and high SRS Version 1 0 41 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 9 4 Verify Door Lock Control 9 4 1 Requirement s addressed Requirement Number Name 3 3 Electronic Door Lock 3 15 Lock Unlock Door 9 4 2 Verification Procedure The Android application will be opened to the door control screen once a valid user account is signed in We will try unlocking and locking the door through the application and verify that it did indeed lock or unlock We will also manually lock and unlock the door lock to verify that the screen shows some indication of the lock s current state 9 5 Verify Thermostat Control 9 5 1 Requirement s addressed Requirement Number Name 3 4 Digital Thermostat 3 16 Adjust Thermostat 9 5 2 Verification Procedure The Android application will be opened to the thermostat control screen once a valid user account is signed in We will increase and decrease the temperature settings and verify that the thermostat shows the new setting We will also manually adjust the temperature from the thermostat and verify that 1t gets updated in the application SRS Version 1 0 42 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 10 Use Cases This sect
30. ign In Application Based User Create Settings Profile Application Based iew Change Settings Profiles Application Based Figure 10 5 User control use case diagram SRS Version 1 0 50 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 11 Feasibility Assessment This section will analyze the feasibility of Presence and associated Android application It will analyze the scope research technical details cost available resources and schedule estimation for the project These analyses are based on the team s knowledge and previous experiences with similar projects 11 1 Scope Analysis The scope of work required for the critical requirements in this project is reasonable given the project deadline The most complex critical element will be interfacing a server with multiple different household peripherals The customizable settings for users include lights on off fan speeds thermostat adjustments and doors locked unlocked Interfacing each one of those may require a separate API and open source code may be scarce Given those constraints the team has done extensive research and has a thorough understanding of the technologies and the risks involved In conclusion producing a working prototype of all the critical requirements looks feasible This estimation is based on each of the team members understanding of the complexity of this project Requirements will be prioritized
31. ion At this point the user can tap any of the toggle buttons to set the fan speed to off low medium high 10 8 2 Actor s User 10 8 3 TUCBW The user opens the Android application 10 8 4 TUCEW The user can see the switch position of the fans and adjust them manually SRS Version 1 0 45 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 10 9 Create User Account Application Based 10 9 1 Scenario The user opens Presence Android application on their mobile device and taps the Create Account button The user will be taken to a screen where they will fill out basic personal information and associate an RFID tag and tap Submit once completed The next screen will require the administrator s RFID tag to be read in order to confirm the new user After validation the user will be returned to the Home screen and the new user will be able to log in and adjust settings 10 9 2 Actor s User 10 9 3 TUCBW The user opens the Android application 10 9 4 TUCEW The new user account is created and the user can log in with their credentials and adjust settings 10 10 User Sign In Application Based 10 10 1 Scenario The user opens Presence Android application to the login screen and enters their username and password The user may also select if they wish to have their login information remembered on that device allowing them to bypass the login screen in the future 10 10
32. ion The application will display the current switch position of each light switch under Presence control 3 13 2 Source GLaDOS 3 13 3 Constraints Requires connection of light switch via controller mechanism accessible to Presence Refer to Packaging Requirement 4 1 3 13 4 Standards None 3 13 5 Priority 1 Critical Set Fan Speeds 3 14 1 Description The server can adjust fan speeds to off low medium high It can be done automatically or from manual configuration via the Android application The application will display the current switch position of each fan under PRESENCE control 3 14 2 Source GLaDOS 3 14 3 Constraints Requires connection of fan switch via controller mechanism accessible to Presence Refer to Packaging Requirement 4 1 3 14 4 Standards None 3 14 5 Priority 1 Critical SRS Version 1 0 23 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 3 15 3 16 Lock Unlock Door 3 15 1 Description The server can lock unlock the door automatically or from manual configuration via the Android application The application will display the current lock position of the door under PRESENCE control 3 15 2 Source GLaDOS 3 15 3 Constraints Requires connection of electronic door lock via controller mechanism accessible to Presence Refer to Packaging Requirement 4 1 3 15 4 Standards None 3 15 5 Priority 1 Critical Adjust Thermostat 3 16 1 Descript
33. ion The server can adjust the temperature on the digital thermostat automatically or from manual configuration via the Android application The application will display the current temperature setting and let you increase decrease the temperature number for the thermostat 3 16 2 Source GLaDOS 3 16 3 Constraints Requires connection of thermostat via controller mechanism accessible to Presence Refer to Packaging Requirement 4 1 3 16 4 Standards None 3 16 5 Priority 1 Critical SRS Version 1 0 24 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 3 17 User Notifications 3 17 1 Description When the user isn t home and no authorized RFID tags are sensed in the vicinity Presence immediately notifies the master user via application alert on the master user s mobile device if any devices under server control are manually changed 3 17 2 Source Customer 3 17 3 Constraints None 3 17 4 Standards None 3 17 5 Priority 2 High SRS Version 1 0 25 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 4 Packaging Requirements This section specifies all of the packaging requirements that must be met for Presence An included AC adapter will provide power for the server A user manual will be provided to assist the user with the setup process as well as common tasks best practices and troubleshooting procedures Presence will be easy to configure using th
34. ion specifies how the intended end user will interact with Presence at home and on their Android mobile device Each use case listed below will identify the scenario the actor when the use case begins TUCBW The Use Case Begins With and when the use case ends TUCEW The Use Case Ends With 10 1 10 2 Switch Lights On Off Sensor Based 10 1 1 Scenario The user scans their RFID tag with the RFID reader and that information is transmitted to the server which switches on the lights in that room As the user scans their RFID tag upon leaving the home that information is transmitted to the server which switches off the lights 10 1 2 Actor s User 10 1 3 TUCBW The user scans their RFID tag with RFID reader 10 1 4 TUCEW Presence automates switching the lights off on Switch Lights On Off Application Based 10 2 1 Scenario The user opens Presence Android application on their mobile device and taps the Lights button The application displays the toggle buttons associated with each light controlled by Presence and their current switch position At this point the user can tap any of the toggle buttons to switch the lights off on 10 2 2 Actor s User 10 2 3 TUCBW The user opens the Android application 10 2 4 TUCEW The user can see the switch position of the lights and adjust them manually SRS Version 1 0 43 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 10
35. ll have Login and Create User buttons that will take any user to the appropriate locations We will test this requirement by tapping the Create User button and making multiple accounts with linked RFID tags We will then test the tags on the HMS to verify that our custom settings were applied Each account will have a different setting and all of them together will cover every module s unique feature This will allow us to quickly and accurately verify whether or not one of the accounts created did not get saved in our database SRS Version 1 0 40 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 9 2 Verify Light Control 9 2 1 Requirement s addressed Requirement Number Name 3 2 Compatible Light Switches 3 13 Switch Lights On Off 9 2 2 Verification Procedure The Android application will be opened to the light control screen once a valid user account is signed in We will click the button associated with the different lights and look to see if the light turns off and on We will also verify that the current state of the light s is being updated on the application 9 3 Verify Fan Control 9 3 1 Requirement s addressed Requirement Number Name 3 2 Compatible Fan Switches 3 14 Set Fan Speeds 9 3 2 Verification Procedure The Android application will be opened to the fan control screen once a valid user account is signed in We will tap t
36. n 56 SRS Version 1 0 7 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 1 Product Concept This section describes the purpose use and intended user audience for Presence the RFID sensor based home management system The purpose of this product is to make the life of the user easier by providing automation of everyday common tasks through sensors This product will also have an accompanying Android application that both communicates with and provides control over certain household functionalities 1 1 Purpose and Use Presence has several functionalities and requirements that it is expected to perform for its user It automates several common tasks at home such as turning lights off on regulating the temperature locking unlocking doors and other tasks Presence can allow tasks to be automated or manually configured The purpose behind these features is to provide the user with a system that automates the most common and menial of daily tasks and to give the user a single platform to manually control and configure these tasks Since the main purpose of this product is aimed at helping the user automate certain aspects of their daily life Presence will autonomously make decisions based on information received from sensors or manual input Presence will sense when a user is present and adjust settings in the home In addition Presence is designed to simplify the user s daily life One scenario in whi
37. needed to develop the Android application such as the Integrated Development Environments Google Drive repository and bug finders are free except for the publication of the application on Google Play which comes to 25 All of the hardware devices researched to meet the requirements amount approximately 520 and no individual hardware component exceeds 100 so there is room to expand or upgrade if necessary Table 11 1 gives a more specific breakdown of the cost analysis SRS Version 1 0 52 GLaDOS System Requirements Specification RFID Sensor Based Home Management System Part Cost Server amp Components 100 00 Wireless Thermostat 100 00 Wireless Door Lock 85 00 Wireless Fans 2 90 00 Wireless Light Switch 2 70 00 RFID reader writer 50 00 RFID bands 2 25 00 Google Play subscription 25 00 Total 545 00 Table 11 1 Cost analysis of hardware required 11 5 Resource Analysis The team is made up of a Computer Engineer a Software Engineer and three Computer Scientists Four out of five team members have previously worked or are currently working in different fields the computer industry As a result the team has a broad range of knowledge and experience valuable to making Presence a feasible product Permanent roles have been assigned to team members based on their strengths and experience The team s Computer Engineer will be responsible for all hardware decisions and requirements This will include circuit
38. o longer make it feasible Presence will incorporate the server with other subsystems that will be controlled by microcontrollers These subsystems include light control temperature control door control and fan control The light controls will be responsible for turning on off the lights Preliminary design implies that this subsystem will comprise of a microcontroller and possibly relay switches The relays would be used to open and close the light s circuit hence turning it on and off There are also Wi Fi enabled light switches which can communicate with the server via a Wireless Local Area Network The temperature control will be responsible for controlling the room temperature based on the user s desired settings A digital thermostat will be a key component Wi Fi will be the most likely form of communication between the thermostat and the server The door control will lock and unlock the door A key component of this subsystem will be an electronic door lock that will be connected to a microcontroller and controlled remotely There are Wi Fi enabled door locks which may be used to interface with the server Lastly the fan control will be responsible for switching between fan speeds off low medium high It will comprise of a relay switch and a microcontroller 11 4 Cost Analysis The team s research and estimation of how much Presence will cost to build indicates that it will be within the 800 allotted budget All required items
39. ser interfaces are described in detail 2 1 Features and Functions Presence will consist of a server RFID tags and sensors and infrared transmitters and receivers They will all work in conjunction with an Android application The server will run a lightweight Linux operating system that enables control of sensors and various switches and devices in the home from lights to ceiling fans to door locks to security cameras Users will carry an RFID tag in their possession which will trigger events to happen in the home when in close proximity to the RFID sensors User settings can be automated For instance when a user comes home the RFID sensor detects the user and sends a signal to the server which unlocks the door and turn on the lights The system also adjusts the thermostat to the user s preferred settings When the user leaves and the sensor no longer detects a targeted presence the door is locked the lights are turned off and the thermostat is shut off or adjusted to conserve energy Presence s associated mobile application allows the user to create modify and delete various home settings on a per user basis Presence also allows manual control over various household settings For instance if a user is at home and decides to watch a movie the user can select a setting mode from the mobile application that turns off the lights in the room while the user is present When the movie is finished the user can select a different settin
40. so be made available for public use 7 4 2 Source GLaDOS 7 4 3 Constraints None 7 4 4 Standards None 7 4 5 Priority 3 Moderate SRS Version 1 0 35 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 7 5 7 6 7 7 User Manual 7 5 1 Description The user manual will contain specifics on the various functionalities and features and will include screenshots The user manual will also have a troubleshooting section dedicated to any issues most commonly encountered in the testing phase 7 5 2 Source GLaDOS 7 5 3 Constraints None 7 5 4 Standards English US language only 7 5 5 Priority 2 High Installation Support 7 6 1 Description Professional installation of Presence will be recommended and provided by GLaDOS and or approved third party associates 7 6 2 Source GLaDOS 7 6 3 Constraints None 7 6 4 Standards None 7 6 5 Priority 2 High Language Support 7 7 1 Description English will be the primary language for all user interfaces and documentation Additional languages will not be supported at this time 7 7 2 Source GLaDOS 7 7 3 Constraints None 7 7 4 Standards None 7 7 5 Priority 3 Moderate SRS Version 1 0 36 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 7 8 Multiple User Support 7 8 1 Description When multiple users are in the home the master user s settings will be given priority In the event that mul
41. tected to prevent unauthorized reading by foreign sensors allowing a third party to spoof the RFID and gain unauthorized access into the home 8 3 2 Source GLaDOS Customer 8 3 3 Constraints None 8 3 4 Standards None 8 3 5 Priority 2 High Manual Override 8 4 1 Description In the event of loss of power to the system or other system failure the user should not be locked out of the home A physical key will still unlock the door and other utilities may be manually turned on and off by the user in any case 8 4 2 Source GLaDOS Customer 8 4 3 Constraints None 8 4 4 Standards None 8 4 5 Priority 1 Critical SRS Version 1 0 39 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 9 Acceptance Criteria This section specifies the requirements and procedures used to demonstrate the product and its individual functions to the customer All of the criteria in this section must be met in order for Presence to be accepted The instructions are very high level due to the product concept still being in its infancy As the project moves forward these criteria will be revised and updated as necessary 9 1 Verify User Account Creation 9 1 1 Requirement s addressed Requirement Number Name 3 8 Database Management System 3 9 User Account Administration 3 10 User Settings Profiles 3 11 User Login 9 1 2 Verification Procedure The home page Android application wi
42. tion will be used to control Presence The server should take no longer than 10 seconds to respond to a command given by the application over 3G 4G cellular networks 5 5 2 Source GLaDOS 5 5 3 Constraints Bandwidth of Internet connection and network congestion 5 5 4 Standards 3G 4G Wireless Standards 5 5 5 Priority 3 Moderate SRS Version 1 0 30 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 5 6 Android Application Startup Delay 5 6 1 Description The time it takes to launch the Android application should be less than 10 seconds once it is opened 5 6 2 Source GLaDOS 5 6 3 Constraints Android mobile device hardware and resource utilization 5 6 4 Standards None 5 6 5 Priority 3 Moderate SRS Version 1 0 31 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 6 Safety Requirements This section specifies the various safety considerations associated with Presence All requirements deemed necessary to prevent the product from causing serious physical harm to users will be covered 6 1 6 2 Electrical Circuit Grounding 6 1 1 Description All wires integrated circuit chips sensors and other electrical components must be properly grounded to avoid the possibility of electrical shock to the user from a leaking current The hardware will be fully enclosed to avoid accidental electrocution 6 1 2 Source GLaDOS 6 1 3 Constraints None 6 1
43. tiple users are present and the master user is not a default household profile will be activated 7 8 2 Source GLaDOS 7 8 3 Constraints None 7 8 4 Standards None 7 8 5 Priority 3 Moderate SRS Version 1 0 37 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 8 Other Requirements This section specifies any requirements necessary for Presence that did not directly fall under any of the previous sections of this document 8 1 8 2 Connectivity Tolerance 8 1 1 Description Presence should be tolerant of internet connectivity and be able to perform localized in home functions if no internet connection is detected 8 1 2 Source GLaDOS 8 1 3 Constraints None 8 1 4 Standards None 8 1 5 Priority 2 High Application Security and Privacy 8 2 1 Description When communicating via the Internet Presence and or the Android application should ensure the security and privacy of internally stored or transmitted user information 8 2 2 Source GLaDOS Customer 8 2 3 Constraints None 8 2 4 Standards OWASP Web Application Security Standards 8 2 5 Priority 2 High SRS Version 1 0 38 GLaDOS System Requirements Specification RFID Sensor Based Home Management System 8 3 8 4 Intrusion Prevention 8 3 1 Description The server will be guarded by a firewall and will require authentication to prevent unauthorized tampering RFID tags will be uniquely keyed and password pro
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