- Faculty of Computing Institutional Repository
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1. MED p BIOVST OT SQ ET OT al Lena Grp BOTOT au Haa an mI 1 9080 a Ag waa uen SONATE g aota Boja uo uueg a anelai 80 68 91 80 81 80 TET TD GANS 90 1 80 80 62 81 20 81 8900 ya Bueyua yup run agoia nL Ways Le ziene Bf pel nie upupsetuag ig 80 52 01 pam Uerquauied uen ueBuepe senor aeri eel Te BODE 184020 9000 120191095 agoe miny 8000 0910 VES BUEN HEL Appendix B Ghantt Chart PSM2 67 68 GO TE E AML 60 LT E M3 0 u4 60 LT T 3 6O F2 7 AML 60 61 27 MUL 60 60 1 25 60 9 7 M4 60 6 7 MUL 60 62 T MUL 60 22 T MUL 60 22 T MUL 60 91 T 114 60 ST T NUL 60 FT T PPM 60 ET T 60 6 1 4 PPM G0 L PaM GO TE E GO L E WS 60 2 E 60 ST T PPM 60 07 7 4 60 97 7 YON 60 6 7 60 6 7 VON 60 9 74 60 0 1 114 60 ET T M4 60 61 T UON 60 6T 1 60 91 T 4 60 ST T NUL GO ET T on 60 TT T 60 8 T MUL 60 6 T 60 S T yes skep oT s ep shep s ep p2. c s ep fepT s ep Shep Shep p shep p Aep 1 fepT shep 7 shep 7 shep t shep t s ep uonein Poday o oid euig Jo uoissituqns podas jusuin2oq uone idde ayy sAcidug pue ppy soueuuojiag uone idde au 2Ao1duug a ueuuojiesg uone idde ayy 2314125 QUO e35ul qeyquoi busar y je Dururquio asqejep o a1edu02 buipo gt aseqezep dojanap upoojenjq o3 oo3rou Duipo adu s yssn xnuy bunuwesbosd Hunuwrsbosd qoojenjg uod queues duur yooyanyq xnu pueuiuo uouyd jenong uod au BurApnys euo n uod abeped xnu a1emyos aunboi a4 n r eo ysel Appendix c User Manual 69 Installation of Bluetooth announcement system in Linux Mint 1 0 Requirement 1 Python2 4 or Python 2 5 normally Linux Mint already embedded with Python 2 Sqlite3 binding fpr Python 3 A working bluetooh environment on machine hcitools and sdptool must be installed 4 Ussp push must be install 1 1 Installation 1 Logon into Linux Mint TB Linx Mint Ea eee X Language Figure 1c Linux login interface 2 Open terminal in Linux Mint 70 71 Be gdt Jerminal Tabs Help You would if you could but you
3. You would if you could but you can t so you won t 00N C JN INA Il w 11 11 inamorato inamorato desktop sudo apt get install obexftp ussp push sudo password for inamorato Reading package lists Done Building dependency tree Reading state information Done lobexftp is already the newest version ussp push is already the newest version The following packages were automatically installed and are no longer required localechooser data Use apt get autoremove to remove them upgraded newly installed to remove and 320 not upgraded inamorato inamorato desktop cd home inamorato Desktop psm inamorato inamorato desktop Desktop psm chmod execute server py add mess age py scripts set active bluetooth devices sh scripts send ussp sh scripts send obexftp sh Figure 8c Figure show command executing chmod 9 Type in terminal crontab e Terminal File Edit View Terminal Tabs Help GNU nano 2 0 7 File tmp crontab ERkp9Q crontab Modified 2 home inamorato Desktop psm scripts find bluetooth sh home inamorato Desktop psm data bt devices csv 2 home inamorato Desktop psm d ecute server py Me Get Help MY WriteOut Read File M Prev M4 Cut Text M Cur Pos i Exit SR Justify Where Is gj Next Page fl UnCut Textgy To Spell Figure 9c crontab scheduling task And type in the command as above print screen 75 76 Admin use of appli
4. OR recipient self mac return cursor Figure 5 5 Snippet coding for retrieve message from database Secondly outstanding message will be retrieve from database 58 add_message_to_queue self message_id cursor self conn cursor cursor execute INSERT INTO message outgoing message incoming id recipient date try VALUES message id self mac datetime datetime now self conn commit return cursor lastrowid def set status of message self id is accepted m self dbg Accepted message id strid to self mac str is_accepted cursor self conn cursor cursor execute UPDATE message outgoing SET date finished is accepted WHERE rowid datetime datetime now is accepted id self conn commit Figure 5 6 Snippet coding for update the outgoing_message database Table message_outgoing in database will be update def send file to adapter self filename path to file self config get data storage dir filename on cmd self config get exec send command cmd cmd replace mac self mac cmd cmd replace S path to file path to file self dbg Executing cmd return os system cmd Figure 5 7 Snippet coding for broadcast message And finally message will be send to the mobile phone 59 5 4 Summary As conclusion this chapter discussed the implementation of the syste
5. from database Snippet coding for retrieve message from database Snippet coding for update the outgoing_message xii page 13 15 43 45 47 48 54 55 56 57 57 58 xiii database Figure 5 7 Snippet coding for broadcast message 58 Chapter 1 Introduction 1 1 Introduction Is my class canceled today When and where is the PSM seminar These is typical questions junior students freshman and senior students in Faculty of Science and Information System FSKSM will ask at the beginning of each new semester or even at the middle of semester These typical question will pop out in their mind was due to the ineffective announcement system use in FSKSM These situations tell us that message cannot separate around by using the current announcement system Hence a brand new system needed to solve this problem We can use the advantages of current technology to solve this problem As everyone knows mobile is a very useful and common device Most of us use mobile to communicate with each others through SMS call MMS and etc After the development of Bluetooth technology mobile is not only use for communication but now mobile can be use to obtain information through Bluetooth For example Bluetooth technology phone is widely use in advertising and marketing moreover mobile Bluetooth is also use for providing useful information for tourist as well Hence as a same concept a Bluetooth based a
6. 34 2 6 2 1 2 6 2 2 2 6 2 3 Low power operating models Bluetooth protocol stack Establishing a network connection Why choosing Bluetooth technology Bluetooth target devices File type can be transmit using Bluetooth technology Why Linux Mint and Python programming language is choose instead of windows and java Linux mint Python language The open source advantages The benefit of python Python at google Comparison Python and java side by side SQLite3 Summary Methodology Introduction Methodology Phases involve in problem solving Inception Phase Elaboration Phase Construction Phase Transition Phase viii 14 15 17 19 20 22 23 24 25 26 27 28 31 31 32 33 36 36 37 38 39 3 4 3 5 3 5 1 3 6 Chapter 4 4 1 4 2 43 4 3 1 4 3 2 4 4 4 5 4 6 Chapter 5 5 1 5 2 5 2 1 5 2 2 5 3 5 3 1 Hardware needed Software needed Specific software needed for the propose system development Specific package need in Linux mint Summary System design Introduction Architecture Design System Modeling Use Case Diagram Actor Explanation Sequence Diagram of the System Database design Summary Implementation Introduction Development environment Installation of required package in linux Installation of required software in windows Coding Active bluetooth devices searching 39 40 40 41 42 43 44 45 46 47 48 50 51 51 52 52 53 53 5 4 Chap
7. are created using Python e Binary Data Pusher This is the area where Alex Martelli is working on optimizing pushing bits between thousands of servers e Production servers All monitoring restarting and data collection functionality is done with Python e Reporting Logs are analyzed and reports are generated using Python 28 e A few services including code google com and google groups Most other front ends are in C google com and Java gmail All web services are built on top of a highly optimizing http server wrapped with SWIG Adapted from http panela blog city com Python at Google Greg Stein SDForum 2 6 3 Comparing Python and Java Side by side Java Python Statically Typed In Java all variable names along with their types must be explicitly declared Attempting to assign an object of the wrong type to a variable name triggers a type exception Java container objects e g Vector and ArrayList hold objects of the generic type Object but cannot hold primitives such as int To store an int in a Vector you must first convert the int to an Integer When you retrieve an object from a container it doesn t remember its type and must be explicitly cast to the desired type Dynamically Typed In Python you never declare anything An assignment statement binds a name to an object and the object can be of any type If a name is assigned to an object of one type it may later be ass
8. completely free of charge 2 5 7 Bluetooth Target Devices For a Bluetooth broadcasting system the main target for the Bluetooth will be devices that move within range of the broadcast without necessary residing there In most cases this will be mobile phones or PDAs Bluetooth enable laptops could also possibly be a target i Mobile phones Mobile phones are portable phones that communicate with other phones using wireless mobile phones networks Original mobile phones is use for calls most modern phones can also use to send and receive text and multimedia 21 messages and many phones also embedded extra function like camera and music playback Due to the large variations in what is supported by different mobile phone models it is difficult to say that what kind of file can be used in a broadcast targeted at mobile phones Files can be transmitted through Bluetooth broadcast device to mobile phones is depend on the model of mobile phones ii PDAs Personal Digital Assistants PDAs are handheld computers with a touch screen for user interaction Original PDAs just mean to replace personal organizers but nowadays PDAs can run vast number of different program making them practically small personal computers The two most used operating systems for PDAs are palm OS and Windows Mobile Both operating system support Bluetooth but the way they handle it differs greatly Palm OS will receive any file via Bluetooth
9. its users its include actor and use cases While sequence diagram will represent the interaction between different objects in the system and class diagram is used to define the detail design of the system 45 4 3 1 Use Case Diagram Clienti Student Feceve Announcement C Add Broadcast File Figure 4 2 use case diagram for admin and user Description about use cases will be discussed as below 1 Receive Announcement This is process where user will receive general announcement from service node li Add broadcast file Admin will insert new new broadcast file to the file system 46 4 3 2 Actor Explanation There are two actor involve in this system That is FSKSM student and administrator Both of the actor carry different role function and accessibility i Administrator Administrator will be officer of FSKSM which will manage the database Admin can update insert and delete data Administrator will update the data inside the file system in Linux by adding or delete broadcast file in Linux il FSKSM Student User in this system is FSKSM student which they only need to switch on their mobile bluetooh then message will broadcast to their mobile phone 47 4 3 Sequence Diagram of the System User Client Student Sending bluetooth signal Sending to database Comparison Result Sending Message Broadcast Figure 4 3 Sequence diagram for user to recei
10. of the architecture of the Bluetooth protocol stack The responsibilities of the layers in this stack are as follows The radio layer Physical wireless connection Radio layer is use to avoid interference with other devices that communicate in the ISM band 2 4GHz frequency band been divided by Bluetooth devices into 79 channels Those channels is uses to spread spectrum hop from one channel to another up to 1600 times a second The standard wavelength range is 10 cm to 10 m wavelength can be extended to 100m by increasing transmission power The baseband layer responsible for controlling and sending data packets over the radio link Baseband layer provides transmission channels for both data and voice The baseband layer maintains Synchronous Connection Oriented SCO links for voice and Asynchronous Connectionless ACL links for data SCO packets are never retransmitted but ACL packets are to ensure data integrity SCO links point to point symmetric connections where time slots are reserved to guarantee timely transmission A slave device is allowed to respond during the time slot immediately following an SCO transmission from the master A master can support up to three SCO links to a single slave or to multiple slaves and a single slave can support up to two SCO links to different slaves Data transmissions on ACL links on the other hand are established on a per slot basis using slots not reserved for SCO links ACL li
11. processing facilities and plays well with other web technologies iv Software testing Python is come out with own testing unit v Numeric and scientific application vi Application scripting vi Framework vii Desktop development 2 6 2 1 The open source advantages As all of know that Python is develop as an open source by thousand of programmers all around the world Hence Python is very well designed fast robust portable scalable and portable With those strengths Python often exceed the capabilities of comparable commercially available solution The open source 26 license for Python allows unrestricted use modification and redistribution of the language or anything that is based on it commercially or otherwise Full source is available and there are no license costs 2 6 2 2 Benefits of Python Research from Python users showing that dramatic productivity benefits over development in other languages typically with 10 times the development speed seen with C or C and a 2 times that seen with Java or Visual Basic Python boost is the result of these specific benefits i Extensible it is easy to write your own C or C extension modules and then load them into your Python code Jython the Java implementation of Python seamlessly integrates Python and Java modules ii Powerful Python isn t just a language It comes with an extensive standard library of useful modules including extensi
12. white box testing or the black box testing During the testing process we will analyze the suggestion provided by the application when given certain criteria All the requirement that gathered in the inception phase will be reviewed to make sure the product meets all the needs from the user 39 3 3 4 Transition Phase The main objective of the transition phase is to transfer the product into the user community After completing the project application is carry out and try at a small community This transition phase may include several iterations Once the application has been employed in the real environment different type of bugs can be detected during the running time Besides it is essential to analyze the acceptance of the user for our application This can be done by organizing a survey among the user who interact with the application and gather their overall satisfaction about this application Their suggestion will be valuable for improving the product quality 3 4 Hardware needed Some basic hardware needed in developing this prototype List of hardware need show as follow 1 Type of device Personal Computer Processor Pentium 233Mhz or above Hard disk greater than 1GB RAM 64MB or above Cache Memory 128KB il Type of device Bluetooth adapter of device Mobile phone 40 3 5 Software needed 3 5 1 Specific software needed for the propose system development 1 Python Programming language similar
13. 1 6 Summary This system is developing to solve the current announcement system problem Its help supports the students life cycle in a personalized way at any time at any location M BAS helps students on FSKSM to find and access information related to them Chapter 2 Literature Review 2 1 Introduction The previous chapter provided the background and problem discussion of the area of this thesis In this chapter we will review earlier studies about current system within our purpose area The aim of this chapter is to provide relevant literature on uses of Bluetooth technology in campus announcement system 2 2 Introduction to the current system Current announcement system used in FSKSM was notice board and electronic board A notice board pin board or bulletin board are made of material such as cork or soft plastic material to facilitate additional and removal message Notice board is commonly for people to leave message for example to advertise things for buy or sell announce events or provide information Main notice board was located at ground floor of FSKSM building in front of lift entrance There are others ten notice boards made of was placed at the same place to improved the efficiency of notice board When there is notice or announcement needed to inform student FSKSM officer will leave a message at notice board Officer will keep on update the information from time to time While electronic notice board was l
14. CC move file to storage dir filename os path basename path to file if os path exists path to file 1 m raise Exception File path to file does not exist target dir self config get data storage dir target file target dir filename if os path exists target file 1 my m m raise Exception Could not copy file path to file target file mask ends as NULL ends None if expires_in_seconds gt 0 ends datetime datetime fromtimestamp time time expires_in_seconds cursor self conn cursor cursor execute INSERT INTO message_incoming recipient filename date ends VALUES recipient filename datetime datetime now ends self conn commit Figure 5 3 Snippet coding for adding message into database 57 5 3 4 Broadcast message def find outstanding messages self r rows self find new assigned messages for row in rows if self is_message_send row 0 0 r append row return r Figure 5 4 Snippet coding for finding outstanding message from database Broadcast message is take place in SendWorker py Firstly outstanding message or message waiting in message queue will be check def find new assigned messages self cursor self conn cursor cursor execute SELECT rowid filename FROM message incoming WHERE ends IS NULL OR julianday ends gt julianday now AND recipient
15. PSZ 19 16 Pind 1 97 Mengandungi maklumat yang berdarjah keselamatan atau kepentingan Malaysia seperti yang termaktub di dalam AKTA RAHSIA RASMI 1972 Mengandungi maklumat TERHAD yang telah ditentukan oleh organisasi badan di mana penylidikan dijalankan T declare that I have read this project and in my opinion this project report has satisfied the scope and quality for the award of the degree of Bachelor of Science Computer Science Signature Name of Supervisor En Syed Othmawi b Abdul Rahman Date Bluetooth Announcement System YEO TZE CHUNG A project report submitted in partial fulfillment of the requirements for the award of the degree of Bachelor of Science Computer Science Faculty of Computer Science and Information System Universiti Teknologi Malaysia MAY 2009 DECLARATION I hereby declare that this project entitled Bluetooth Announcement System is the result of my own research except as cited in the references Signature Name of Candidate Yeo Tze Chung Date DEDICATION This thesis is dedicated to my beloved family ACKNOWLEDGEMENT Firstly I would like to thank my PSM supervisor En Othmawi by guiding me along the PSM progress and provides a lot of valuable opinions and advices to me when I face difficulties during the project Besides that I also appreciate the helps from all my friends and my family who giving their support and encouragement to me in o
16. ation RUP provides several mechanisms such as short term iterations with well define goal at the end of each phases RUP can provide clear view of all the development processes during the development process Phases included in RUP 34 i Inception Process During inception phase scope of project will be determined by identify all the external entities that will interact with our proposed system These entities named as actors which also need to define the interaction among the actor by creating a set of use case to represent the relationship Outcome of the phase Requirement and scopes a set of initial use cases a project plan and some risk assessment ii Elaboration Phase In this phase a deep view and understanding of our proposed system will be determined Hence after the full understanding of the system problem domain will be determined produce a basic architecture design develop the project plan and consider the risk element during the development of the system An executable architecture prototype also will be produced in this phase It is built in one or more iteration depending on the scope define in the system Outcome of this phase A full use case model software architecture description architecture prototype and development plan for the overall project ili Construction Phase After confirm the architecture design use case will define at early phase will be convert into coding using suitable software and langua
17. bile phone will not send twice and broadcast message 3 Add message to database 4 Broadcast message 5 3 1 Active Bluetooth devices searching In this script a tools from ussp push package will be call to search for the active Bluetooth devices around After active devices is found and the Mac Address of the mobile is retrieve then will be straightly store in database If the database file not found an error message will shown to the user Last coding was the tools require for searching active Bluetooth devices and retrieve Mac address hcitool scan Coding to call the hcitools as follow 54 DEVICE_CSV 1 die printf n exit 1 if n 1 then die Expecting path to CSV file as first parameter fi if e dirname DEVICE CS then die Directory for storing CSV file does not exist n fi hcitool scan I grep sed e sAt C A1 2 gt SDEVICE CSV Figure 5 1 Snippet coding for device searching active Bluetooth devices 5 3 2 Comparing Mac Address The following coding is used to compare the new Mac address detected with the existing database When a new Mac address is found then the Mac address will be store into a database file name btdWantTosend csv While the Mac address already exist in database previously will be discard and later after the Mac address already broadcast with file in database queue will be merge with existing database 55 Fgrep f home inamorato Deskt
18. but if no application set to handle the file receive file type palm OS will state it as unknown file and discard it Windows Mobile also can receive any file via Bluetooth if there are no application set to open the file OS will put it at Temp folder Leaving it up to user to open it and find the file manually iii Laptops Laptops are portable computers with a keyboard and a flat screen that can 22 be folded over the keyboard While laptop used to be twice as expensive as stationary computer in the early days the price has drop significantly making them a lot more common for personal usage Laptops with Bluetooth can usually accept anything sent to them allowing users to accept also uncommon file types which may be used by software they have installed Sending files to laptops should therefore not be much of problems 2 5 8 File types can be transmit using Bluetooth technology Since both PDAs and mobile phone will have a large limitation in the type of files that can be sent this has to be taken into consideration in a broadcasting application Two ways to solve this problem is 1 send file types that all mobile phones handle ii let the user choose what type of file to receive File that can be transmitted via Bluetooth broadcasting as follow Text as txt files Still images as GIF or jpeg Animated images as animated GIF Audio as WAV RMF MP3 MP4 Video as RM 3gp or MP4 file
19. can t so you won t Figure 2c Linux terminal 3 Type in terminal sudo apt get install Python pysqlite1 1 Terminal File Edit View Terminal Tabs Help You would if you could but you can t so you won t _ V A 1 1 I inamorato inamorato desktop sudo apt get install python psyqliffel 1 Figure 3c Linux install Python psyglitel 1 4 Type in terminal sudo apt get install bluez utils 72 Terminal File Edit View Terminal Tabs Help You would if you could but you can t so you won t 00 Q _ JA w II I inamorato inamorato desktop sudo apt get install bluez ultis l Figure 4c Linux install bluez utils 5 Type in terminal sudo apt get install Obexftp ussp push Terminal File Edit View Terminal Tabs Help You would if you could but you can t so you won t Q I w II II inamorato inamorato desktop sudo apt get install obexftp ussp fjush Figure 5c Linux install Obexftp and ussp push 13 All the three package will be install once enter is press The following print screen show the succeed install package Terminal File Edit View Terminal Tabs Help amp Hw lI II inamorato inamorato desktop sudo apt get install obexftp ussp push sudo password for inamorato Reading package lists Done Building dependency tree Reading state information Done pbexftp is already the new
20. cation 1 Add broadcast file in install_dir storage storage File Browser File Edit View Go Bookmarks Help v 4 mi m g Back Forward Up Stop Reload Home Computer Search BJ Ex inamorato E Desktop psm Ger amp 100 amp v _ m testing txt Figure 10c Add file to the storage directory 2 Type in terminal INSTALL DIR add message py r f tmp testing txt 3 Type in terminal INSTALL_DIR execute server py 4 File will be broadcast Figure 11c File receive
21. d a wide variety of file types and hope that others will be able to receive the information Thus this inflexibility makes the usage areas for the Bluetooth broadcasting somewhat limited Besides users don t want to wait while their mobile device receives data Having to wait for a connection request is even worst Because most mobile phones and PDAs on the market today contain Bluetooth hardware that still adheres to the older Bluetooth 1 1 standard there is no specific support for IEEE 802 11 and Bluetooth coexistence Hence this will be a problem during the implementation of 62 the system Furthermore it s a better should have intelligent message filtering Nothing us more annoying for a user of system as receive unwanted information from time to time Hence there should be come out with a intelligent message filter in the server to make sure that the information user receive is relevant to them Future expectation about this system will be security issues with the broadcast For example the system should prevent hacker to hacks the system through the Bluetooth connection or it may possible for attacker to send harmful files to people who are expecting a file from the service node Hence a more secure security need to be produce 6 4 Expectation Expectation for this application is that hoping this application can fully function and fulfill the system requirement and scope So that this application can help increase t
22. dded to the database end time message will Time be expired Table 4 2 Incoming message In this database who will receive the broadcast message the path of the file store the date file is added in the message queue and when is the broadcast file will be discard is store in Incoming message Daemon will broadcast file according to this database 50 Field name Explanation Type Key Type Message_id Message id int Recipients Mac address of String mobile pnone Date Time message Time send Status File send or int discard Table 4 3 Outgoing message This database is storing the data which recipients already broadcast with message date message broadcast and the status of message 4 5 Summary This chapter is mention about the architecture design of the propose system and explain the use case and sequence diagram Beside database design also included The next chapter will be mention about implementation of the system 51 Chapter 5 Implementation 5 1 Introduction In this chapter we will discuss about the implementation of the application These included installation of the requirement software and testing are debugging also carry out in this phase to make sure that this application can function well 5 2 Development Environment In this section the installation of required package in Linux will be discussed 52 5 2 1 Installation of required package in L
23. e 1 Notice that a master in one piconet may be a slave in another piconet 13 Piconet C Figure 2 1 Scatternet Comprising Three Piconets The normal duration of transmission is one slot and a packet can last up to five time slots in length In order to support full duplex communications Bluetooth uses a Time Division Multiplexing TDM scheme in which a master device always uses an even numbered slot when it transmits and a slave uses an odd numbered slot Wireless application programming with J2ME and Bluetooth by Qusay H Mahmoud from http www sundeveloper com 2 5 3 Low Power Operating Modes Bluetooth defines provisions for three low power operating modes in order to conserve battery life Sniff mode a slave listens at a reduced level and doesn t take an active role in the piconet Hold mode data transmits but its clock continues to operate and a slave remains in synchronization with the master The device is not an active member of the piconet but it retains its active member address Power requirements decrease as a device goes from sniff to hold Park mode is like hold mode in that the slave is synchronized to the master but is not part of the traffic In this mode however the slave doesn t retain its active member address Power requirements decrease still further as a device goes from hold to park 2 5 4 Bluetooth Protocol Stack Applications Figure 2 2 High level view
24. e queue specify a broadcast or target address and can set a timeout if necessary ii Toggle on Bluetooth connection on mobile phone and wait for the execution of the daemon iv Message will be sent to mobile when connection established 2 4 Internal working concept This application is based on two main parts the message queue utility and the daemon Message queue utility Message queue utility is managed by add message py add message py takes a defined input file and put this files into the queue Daemon Execute server py is the core of this application It takes a defined CSV file which includes the current Bluetooth devices in neighbour After execution the daemon searches for outstanding messages of any Bluetooth devices which are defined in the CSV file If a outstanding message is found the daemon triggers an external script This script will be send ussp sh 2 5 Technology 2 5 1 Introduction to Bluetooth technology Electronic devices connect to one another in a variety of ways A cable 11 connects a computer s processing unit to a display a data cable and a docking cradle connect a Personal Digital Assistant PDA or a cellular phone to a computer radio waves connect a cordless phone to its base unit an infrared beam connects a remote control to a television The elaborate array of connectors among electronic devices cries out for a better solution That s where Bluetooth comes in The Bluetooth wir
25. eless connectivity technology was originally started in 1994 by the Swedish phone equipment maker Ericsson as a way for mobile devices to communicate with each other at short ranges up to 30 feet or 10 meters In 1998 Ericsson IBM Intel Nokia and Toshiba formed the Bluetooth Special Interest Group consortium to develop a royalty free open specification for short range wireless connectivity Since then more than 2000 companies have joined the Bluetooth SIG including virtually all manufacturers of phone computer and PDA equipment The specifications for the Bluetooth version 2 was released in 2004 though Bluetooth version 1 x 1 0 1 1 and 1 2 are still more common in devices used today Each Bluetooth devices has a unique address also called Bluetooth ID or device ID This ID is usually not shown to users as more user friendly customizable Bluetooth name is shown instead Bluetooth operates with radio waves using the 2 45 GHz band This band is license free and is therefore also used by others appliances such as microwaves ovens and baby monitors To avoid interference with other devices the Bluetooth protocol divides this band into 79 channels each of them 1 MHz wide A Bluetooth transmission changes between these channels up to 1600 times per second The transmission range of Bluetooth ranges depending on the power class of the implementation It has three power classes where class 2 with a range of about 10 meter
26. est version ssp push is already the newest version he following packages were automatically installed and are no longer required localechooser data se apt get autoremove to remove them 9 upgraded newly installed 0 to remove and 320 not upgraded inamoratoginamorato desktop Figure 6c Package install successful 6 Copy the whole system folder a directory 7 Move the path to the directory for example directory is home inamorato Desktop psm cd INSTALL_DIR cd home inamorato Desktop psm 74 Terminal File Edit View Terminal Tabs Help You would if you could but you can t so you won t 00 _ WA amp w 1 inamorato inamorato desktop sudo apt get install obexftp ussp push sudo password for inamorato Reading package lists Done Building dependency tree Reading state information Done obexftp is already the newest version ussp push is already the newest version The following packages were automatically installed and fe no longer required localechooser data Use apt get autoremove to remove them 0 upgraded 0 newly installed inamoratoginamorato deskte cd pipa rato Deskkap pat inamoratoginamorato desktop z Desktop psm I Figure 7c move to the install directory 8 Type in terminal chmod 0 x execute server py add message py scripts find Bluetooth sh scripts send ussp sh scripts send Obexftp sh Terminal File Edit View Terminal Tabs Help
27. f the use case diagram Sequence diagram will use to demonstrate the behavior of the object in a use case While SDD will focus on architecture design and database design 43 4 2 Architecture design Detect Active Bluetooth device Retrieve Mac Store Address Add file to Broadcast SQLite3 broadcast file Database queue Add broadcast Retrieve data file in queue from database Daemon server Figure 4 1 system architecture Figure 4 1 Show the architecture design of the application Firstly daemon will search for all the active Bluetooth devices around and store the Mac address into database Secondly Mac address will be compare with the Mac address in existing database to ensure that a single phone will not be broadcast twice After that message or a file will be added to the queue waiting for broadcast and message will be broadcast when the daemon is activated 44 4 3 System Modeling Many different object oriented modeling languages developed and led to the advent of UML UML consists of a set of diagram use to represent the model of a system This set of diagram include use case diagram class diagram object diagram state diagram sequence diagram activity diagram collaboration diagram component diagram and deployment diagram In this project system will be model using use case diagram sequence diagram and class diagram Where Use Case Diagram is use to describe the functions of a system and
28. ge After coding been done a set of test plan will be organized All the requirement will be review to ensure that system meet the initial user requirement Outcome for this phase The system and description of the current phase iv Transition Phase Purpose of this phase is to transfer the product into the user community Thus bugs or error can be detected when the system is introduced to the user In this phase demo version of system will be released Besides four phases mention above RUP also included nine disciplines that guide you during the whole process During each iterations we will alternate back 35 and fourth between activities of the discipline performing each task to the extent needed at the time to achieve the goal of the iteration 1 Business Modeling In business modeling discipline we need to understand the business of the organization usually will fix it to the scope if the business that is relevant to the development of the system ii Requirements In requirements discipline we will drive a reason a document and agree upon of what we going to build and what we should not build in the system This information is needed to build the system verify the system planning and manage the system ii Analysis and Design In analysis and design discipline we will analyze the requirement for the system to design a solution to be implemented taking into consideration the requirements constraint and all app
29. he efficiency of announcement system in FSKSM Besides this application is also suitable to use in restaurant supermarket and etc to broadcast their promotion to customer For example when a customer come in to a restaurant he will receive the information for meal promotion in the week in jpg format 63 6 5 Summary At the end of this project an Bluetooth base application will be develop and trying to make it user friendly and implement in FSKSM in the future Hope by using this application some of the announcement will be solve Hence this is also telling us that Bluetooth is capable to use for broadcast to a group of people instead of transferring a file to a single Bluetooth device Industry of Bluetooth is growing fast and is an evolution to the connectivity technology 64 Reference 1 L Aalto N G othlin J Korhonen and T Ojala Bluetooth and wap push based location aware mobile advertising system In MobiSys 04 25 G Antoniou and F van Harmelen Web ontology language Owl In S Staab and R Studer editors Handbook on Ontologies in Information Systems Springer Verlag 2003 3 Mobile advertising case study of mindmatics and 12snap lokomobil Hoang Nga Luong 2007 4 Bluetooth and WAP Push Based Location Aware Mobile Advertisng System Lauri Aalto Nicklas Gothlin Jani Korhinen Tino Ojala Appendix A Ghantt Chart PSM1 65 66
30. igned to an object of a different type That s what it means to say that Python is a dynamically typed language Python container objects e g lists and dictionaries can hold objects of any type including numbers and lists When you retrieve an object from a container it remembers its type so no casting is required Table 2 1 show the comparing of Python language and Java Example 1 29 Java Python public class HelloWorld public static void main String args System out println Hello world print Hello world Table 2 2 shows the different between the simple programming Hello world Example 2 Java Python imt myCounter 0 myCounter 0 String myString myString str myCounter String valueOf myCounter if myString equals 0 if myString 0 print the integers from 1 to 9 for int i 1 i lt 10 i System out println i print the integers from 1 to 9 for i in range 1 10 print i Table 2 3 shows the different between assign string and for loop between Java and Python Example 3 30 Java Python public class Employee class Employee private String myEmployeeName def __init self private int employeeName myTaxDeductions 1 taxDeductions 1 private String maritalStatus single myMaritalStatus single self employeeNam constr
31. inux Package that need to be installed in developing the application was Python 2 5 2 SQLite3 Sqlitebrower ussp push and bluez utils Python 2 5 2 is programming language use to develop the application Python is a powerful programming language which also support Bluetooth programming and Python is widely use in many programming field nowadays SQLite3 is use as database backend SQLite3 is choose because it is simple fast and function well Beside Sqlitebroweser is a Linux programe which is use to create edit and delete sqlite database Ussp push package is use to sending message to the mobile phone without any paring process and active Bluetooth devices are discovered by hcitool While bluz utils is a package which is needed for developing a Bluetooth application This package is use for to detect most of the Bluetooth adapter sells in the market 5 2 2 Installation of required software in windows Software needed in windows are Rational Rose 2000 Microsoft Office 2007 and Microsoft project 2007 Rational Rose 2000 is used for design use case and sequence diagram While Microsoft Office 2007 is use for documentation of the application and Microso Project 2007 planning and generate Gantt chart for this project 53 5 3 Coding In this section some important coding extract from the Linux script will discuss Important codings included 1 Active Bluetooth devices searching 25 Comparing Mac address to ensure that each mo
32. l is created over the L2CAP channel Creating an RFCOMM channel allows an existing application that works with serial ports to work with Bluetooth as well without any modifications 6 Authenticate This is the only step that requires input from the user If the access point requires authentication it will send an authentication request and the user will be prompted to enter a PIN to access the service For security reasons the PIN code itself is not sent over the wireless link but rather a key generated from it 7 Log in If the devices use the Point to Point Protocol PPP over RFCOMM a serial port is emulated and Sally can log in to her email account 8 Send and receive data The email client and the access point now use standard network protocols like TCP IP to send and receive data Adapted from http developers sun com mobility midp articles Bluetooth1 2 5 6 Why Choosing Bluetooth Technology Using Bluetooth technology for broadcasting information allows for a way of broadcasting that is quite different from any other currently common broadcasting technologies Bluetooth broadcasting systems can be used in situations where the other technologies are not suitable 1 Area broadcasting instead of group broadcasting Unlike other digital channels for sending information Bluetooth broadcasting allows for directing broadcasted information towards all people that are in the area rather than a group of people Blueto
33. le using email SMS electronic board or even notice board but this is not a perfect way to broadcast a message to a group of people As we can notice that if we broadcast using email or SMS sometimes we may not know the email address or mobile number of the group member Furthermore by using electronic board or notice board the broadcast message is not portable but by using this Bluetooth broadcasting system message broadcast to the group member is portable Message receive can be store in mobile so that message can view anytime and anywhere This application is a small collection of Python scripts which will allows admin to build up a quickly Bluetooth advertisement or welcome server Imagine one of the following situations i FSKSM is conduct a seminar and want to welcome every guest with a short Bluetooth message on their mobile phone ii Faculty want to remind every student to do their EPPP 1 Time date and venue of seminar is changed All of these situations can be realized with this application This application is a message queuing concept Message can broadcast to anyone or an unique device which is identified through Bluetooth Mac address The concept behind this application is as follow i Create broadcast message file this file cab be a text file an image file an audio file or any others file type But the condition is the file must be interpreted by the target mobile phone ii Add file to the messag
34. licable standard and guidelines iv Implementation In implementation discipline we will transform the design into executable code and to perform a basic level of testing v Test In test discipline we will perform an objective evaluation to ensure the quality by finding and detect defect error and validating the system work as objective fix earlier and verify that the requirement is met vi Deployment In deployment discipline alpha and beta version of system been created System will install in the end user workplace vii Configuration and Change Management 36 In configuration and change management discipline we will manage access to the project s work system System will be tracking from time to time so that controlling and managing can be make on the system viii Project Management In project management discipline we will provide guidelines for managing of the system handling the simultaneous update conflict Besides we also directing people and coordinate with people and system outside the scope of the project to be sure that it is delivered on time and within the budget ix Environment In environment discipline the main goal is to support the rest of the effort in terms in ensuring that the proper process guidance and tools are available as needed 3 3 Phases Involved in Problem Solving As stated previously in Rational Unified Process model there are four phases that involved throughout the soft
35. m Implementation can be described as the realization system from the design and analysis phrases 60 Chapter 6 Conclusion 6 1 Introduction In this chapter we will come to the summary of this report The existence of technology is to help and reduce the burden of human and so this application Between fast growth of wireless technology and high demand of Bluetooth application also support the existence of high technology application 6 2 Achievements Bluetooth announcement system is a system that acts as a media to broadcast all necessary announcements to the student in FSKSM Throughput the 61 development process Bluetooth push is implemented in order to broadcast message to mobile phone By using usssp push pairing is not required means that user of mobile phone is no need to enter password for accepting the announcement Once the application is activated active Bluetooth devices will be detected and store inside database and will be broadcast with the announcement in the storage area And using this application a mobile phone will not be send twice event it is detected 6 3 Limitation and Challenges There is no hundred percent perfect system in the world this system also cannot be excluded The main problem of this system is that this system is lack of User interface which is not really convenience to admin Admin need to key in command in Linux terminal Bluetooth service node cannot simply set up to sen
36. nks support point to multipoint transmissions After an ACL transmission from the master only a slave addressed specifically may respond during the next time slot if no device is addressed the message is treated as a broadcast The Link Manager Protocol LMP uses the links set up by the baseband to establish connections and manage piconets Responsibilities of the LMP also include authentication and security services and monitoring of service quality The Host Controller Interface HCI is the dividing line between software and hardware The L2CAP and layers above it are currently implemented in software and the LMP and lower layers are in hardware The HCI is the driver interface for the physical bus that connects these two components The HCI may not be required The L2CAP may be accessed directly by the application or through certain support protocols provided to ease the burden on application programmers The Logical Link Control and Adaptation Protocol L2CAP receives application data and adapts it to the Bluetooth format Quality of Service QoS parameters are exchanged at this layer Adapted from http developers sun com mobility midp articles Bluetooth1 2 5 5 Establishing a Network Connection When a device is not connected to a piconet it is in a standby mode In this mode the device listens for messages every 1 28 seconds over 32 hop frequencies When one device wishes to establish a connection with anothe
37. nnouncement system can be develop to upgrade the current announcement system in FSKSM This system name Mobile Bluetooth Announcement System M BAS M BAS can support the students live cycle in a personalize way and helps the user on FSKSM to find and access information which is interested and relevant to them They only need a Bluetooth enabled mobile device which would be either PDA or a mobile phone walk into the Bluetooth coverage area and they can pull the require information from the server and general announcement will be push to students mobile 1 2 Problems The use of Bluetooth technology still in an early stage and different user are still experimenting with various format However research and practice suggest that much can be achieved using simple technology that is already well established In the past announcement system in FSKSM building had limited media option such as print media and electronic board Targeting user through exiting system is still risky As we can notice when there is seminar or changes of class schedule there would be some student miss the seminar or class because they not read notice board from time to time Main notice board of FSKSM was located at ground floor and other mini notice board was located at the entrance of lift every floor Normally important notice or announcement will be stamp at the notice board for students at FSKSM to get information relevant to them At the beginning of semes
38. ocated at second floor of FSKSM building Several years ago FSKSM had start using electronic notice board because of some advantages For example electronic notice boards can help FSKSM officer to keep all FSKSM user informed with all the news and announcement without relying on boring static notice board because static notices nowadays is not a effective way of communicating Besides by using electronic notice board officer reduce their work by just update notice using computer in front of them They no need to update notice by adding or remove notice at traditional notice board 2 2 1 Analysis of current system There are several problems occur when using the current system 1 The message display from electronic notice board isn t clearly sent across as not much detail can be include in the notice ii The notice is dynamic and constantly changing user will not wait in front of electronic notice board waiting for the second notice Thus not all messages will send across user i Electronic notice board don t look attractive user tend not to look at them as they may think from their first impression that it doesn t seem very important iv Itis time consuming when officer update information at notice board from time to time 2 3 Introduction to the propose system Nowadays there are several ways to communicate with a group of people Like mention before from the previous section we can broadcast a message to a group of peop
39. op psm data dataHouse dataMine csv v home inamorato Desktop psm data bt devices csv gt home inamorato Desktop psm data btd WantTosend csv fgrep f home inamorato Desktop psm data bt devices csv home inamorato Desktop psm data dataHouse dataMine csv gt home inamorato Desktop psm data sameDevicesDetected csv cp home inamorato Desktop psm data btdWantTosend csv home inamorato Desktop psm data dataMerge bt devices3 csv cp home inamorato Desktop psm data dataHouse dataMine csv home inamorato Desktop psm data dataMerge bt devices2 csv cat home inamorato Desktop psm data dataMerge csv home inamorato Desktop psm data dataHouse dataMine csv Figure 5 2 Snippet coding for compare and merge between two database 5 3 3 Add message to database The following coding is use to add the message waiting queue in database Firstly application will check whether user is wish to broadcast file to all active Bluetooth devices or specific Bluetooth devices Secondly application will check whether the existence of file in the storage area if the file not exit a error message will be raise Finally broadcast file will be added to the message queue 56 def add_broadcasted_file self path_to_file recipient expires_in_seconds 0 move 0 if recipient gt p re compile 0 9a f 2 1 6 re IGNORECASE if p match recipient None raise Exception Recipient can be or a MAC address like 88 99 00 A A BB
40. oth broadcasting technology can look as a short range radio or TV broadcast where everyone can receive information broadcast as long as user have the receiver The reason why we say short range is because Bluetooth technology nowadays still in limited range When compare with messaging service like SMS MMS and email the most noticeable difference is that these services require a list of know user in order to send messages Thus Bluetooth broadcasting is more useful in this area instead of just sending message to know user only Example first year junior who just come to FSKSM They be able to access the broadcast and receive information like FSKSM map and etc ii Portable Information When sending information through email or putting it on the internet like e learning the information would only be accessible from a computer which in case is not easily to be portable If putting information on notice board electronic board 20 students have to write it down if wish to view the information away from notice board However sending information through Bluetooth to mobile phone can be easily portable and viewed at any time iii Cost Free distribution While SMS and MMS messages could fulfill the same purpose of Bluetooth broadcasting but using SMS MMS require extra free from service provider Using Bluetooth has the additional advantages of being free to use There is no need to pay for each message sent to users It is
41. r it sends out 16 identical page messages on 16 hop frequencies If the slave doesn t respond the master retransmits the page message on the other 16 hop frequencies If the master doesn t know the slave s address it must preceed the page message with an inquiry message which requires an extra response from the slave unit When the slave responds to the page message the master can begin transmitting voice or data Steps device needed to establish connection with a nod 1 Inquire In a new environment the device automatically initiates an inquiry to find an access point All nearby access points respond with their addresses and the device picks one 2 Page The paging procedure synchronizes the device with the access point Establish a link The Link Manager Protocol establishes a link with the access point 3 Discover services The LMP uses the Service Discovery Protocol SDP to find out what services are available from the access point Here we assume that the email service is available 4 Create an L2CAP Channel The LMP uses information obtained from the Service Discovery Protocol SDP to create an L2CAP channel to the access point The application may use this channel directly or use a protocol like RFCOMM Radio Frequency Communications Protocol that might be running over L2CAP RFCOMM emulates a serial line 5 Create an RFCOMM channel Depending on the needs of the application an RFCOMM channel or another channe
42. rder to complete this project Without their encouragement this project will probably cannot done on time Last but not least I am grateful to all staffs and lecturers in Faculty of Computer Science and Information System Universiti Teknologi Malaysia for their help and support at every step during this course of studies Abstract First version of announcement system was traditional notice board Which mean that the notice board is made of cork or soft plastic Officer needed to update the information from time to time manually Many universities still keep this traditional notice board because it is easy to develop and save cost of operation After few years later electronic notice board was developed to save the work of officer Electronic notice board is more effective than traditional notice board because electronic notice board is a simple to use interface which allows an end user to quickly and easily update any information that they wish to pass on to visitors in real time Scheduling capabilities are also included which allows a company to target specific information at a certain audience at a particular time Nowadays after the fast development of Bluetooth technology it is well use in Bluetooth marketing and Bluetooth advertising Bluetooth is also use in announcement system for improve the effectiveness of announcement system Hence the developing of Bluetooth announcement system can support the students life cycle is a personali
43. rl and Java Python is an dynamic object oriented programming language that can be compare with Java and Microsoft s net based language as a general purpose of software development From statistic Python is the most rapidly growing open source programming language According to infoworld its user based nearly doubled in 2004 and currently includes about of 14 of all programmers Python is being use in many sector for example Python is use in world s largest exchange forms the basis for high end newspaper websites runs on million of cell phone and is used in industries Python is available for most of the operating system including windows UNIX Linux and Mac ox Strength of Python 1 Integration integration of all types include Enterprise Application Integration EAI Python makes it easy to develop Web Service calls directly to and from C C or Java code via Python provides powerful process control capabilities implements all common internet protocol and data formats processes XML and other markup language can be embedded as a scripting language and runs from the same bytes code on all modern operating systems 25 ii Network intensive application Python framework is suited to running large number of concurrent network database and inter process communication links within the same process ii Web development Python provides interfaces to most databases powerful text processing and document
44. s Java application as JAR files 23 e This list contains most commonly supported file types on mobile phones Notes Not all of the mentioned file will work on all mobile phones In this System only text files will be use 2 6 Linux Mint and Python language is choose instead of Windows and Java 2 6 1 Linux Mint Linux Mint is an operating system mostly based on and compatible with Ubuntu The design of the user interface is considerable different A distinct user interface like simplified bootloader desktop layout theme and the custom Mint menu Besides Linux Mint is strong focus on full functionality This means that Linux Mint not require any additional installations plugin expansion pack and etc Plus Linux Mint had then Mint tools which is a collection of system tools designed to make system management and administration easier for end user For example Linux Mint operating system has build in Bluetooth stack implementation Bluez Bluez is the official Bluetooth stack for Linux and is used in Google s android OS Its goal is to make an implementation of Bluetooth wireless standars specification for Linux As 2006 the Bluez stack supports all core Bluetooth protocols and layers 24 2 6 2 Python Language Python is an interpreted interactive interactive object oriented programming language Python actually is a language that most programmer like to use because of Python is similar in some ways of Pe
45. s is the most common The others are class 1 up to 100 meters and the rarely used are class 3 which has a range of 10 cm up to a maximum of 1 meter The maximum speed of Bluetooth transfer is 723 1 kilobits s in version 1 1 1 2 and 2 1 megabits s in version 2 0 Devices with Bluetooth can usually set it in one of three modes Off hidden and discoverable When set to discoverable other devices will be able to see it when searching for devices and can attempt connecting to it When setting it to hidden other devices will not be able to see it when they search for devices Devices will have to know the Bluetooth ID in order to connect to a hidden device This can be done by pairing the devices by using a pass code which the users agree on This has to be done when at least one of the devices is discoverable When the code is recognized the two devices will store the other device s Bluetooth ID so that they can connect to each other even when they are set to hidden 2 5 2 Bluetooth Network Topology Bluetooth enabled devices are organized in groups called piconets A piconet consists of a master and up to seven active slaves A master and a single slave use point to point communication if there are multiple slaves point to multipoint communication is used A master unit is the device that initiates the communication A device in one piconet can communicate to another device in another piconet forming a scatternet as depicted in Figur
46. ter the notice board was well organized and in order but after come to the middle of semester notice board was start getting disarray Some more FSKSM officer or staff need to update notice board manually and stamp the announcement at the common area Sometimes announcement need to stamp at notice board on every floor This step is not efficient at all Besides FSKSM building also lack of electronic notice board Electronic notice board only located at second floor Hence if students not pass through second floor they will not know the announcement posted on electronic notice board Thus a brand need system need to come out so that current problem can solve 1 3 Purpose of the system Based on the problem discuss above the purpose of this study is to gain a solution to improve announcement system in FSKSM using Mobile Bluetooth Technology 1 4 Project Objective To achieve purpose of the project some objective been identify as below i Make use of Bluetooth technology nowadays in student life cycle ii Message Undelivered problem can be reduce iii Provide convenience way for user to retrieve latest information 1 5 Project scope i Only public student staff and etc who own Bluetooth mobile PDA or laptop can receive the announcement ii This application system maybe limited to certain model of mobile phone only iii Public can receive the information only when they switch on their Bluetooth device
47. ter 6 6 1 6 2 6 3 6 4 6 5 Reference Appendix A Appendix B Appendix C 532 5 3 3 5 3 4 Comparing Mac Address Add message to database Broadcast message Summary Conclusion Introduction Achievements Limitation and Challenges Expectation Summary 54 55 57 59 60 60 61 62 63 64 65 67 69 Table No Table 2 1 Table 2 2 Table 2 3 Table 2 4 Table 4 1 Table 4 2 Table 4 3 List of Table Title comparing of python language and java different between the simple programming Hello world different between assign string and for loop between java and python different between class implementation in java and python Active Bluetooth device table Incoming_message outgoing message xi Page 28 29 29 30 48 49 50 Figure no Figure 2 1 Figure 2 2 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6 List of Figure Title scatternet comprising three piconet High level view of the architecture of the Bluetooth protocol stack System Architecture Use case diagram Sequence diagram for user to receive broadcast message Sequence diagram for admin to add a broadcast file Snippet coding for device searching active Bluetooth devices Snippet coding for compare and merge between two database Snippet coding for adding message into database Snippet coding for finding outstanding message
48. to complete the set of use cases that started in the inception phase All the requirement and scopes will be finalized at this stage 38 As we know that there are plenty of language and ways to develop a Bluetooth push application For example Bluetooth application can be develop by using Java C Python and etc By referring to the needs that had been gathered we can determine the best approach that should be used during the application development In this phase the using programming language is been determined 3 3 3 Construction Phase Construction phase is mainly technical part in the software process As the architecture design and all the use cases have been confirmed we will start transfer the design part in to the coding and programming part Firstly I do some research and find a lot of relevant tutorial about Python Bluetooth programming since Python Bluetooth programming is a new programming language for me After such research I start the programming part of the application In the early stage Obexftp push is initially used After doing some research realized that USSH push is much better than Obexftp since USSH push doesn t need and authentication from user which is more convenience for user After completing all the coding part a test plan will constructed to test different aspect of the application Functionality non functionality reliability system performance are all aspect that should be tested using either the
49. tulates employed by a discipline ii the systematic study of methods that are can be or have been applied within a discipline or particular procedure or set of procedures In software engineering environment there are many software process model available can be used for different software development Hence we must 33 choose the most suitable software process model for the software or application we want to develop As we know there are several important phases or stages in developing an application such as the requirement gathering phase design implementation and the validation phase Thus after doing research and consideration from all software process models Rational Unified Process RUP will be used 3 2 Methodology Software process is a structured set of activities required to develop a software system in the following aspect Specification Design and Implementation Validation and Evolution While a software process model is an abstract representation of a process It presents a description of a process from some particular perspective Nowadays there are some process model that are widely use by software engineer For example waterfall model evolutionary development component based software Rational Unified Process spiral model and etc RUP was introduced in 1980s and become a division of IBM since 2003 and RUP is a process model that developed and maintained by the Rational Software Corpor
50. uctor 41 employeeName public Employee String EmployeName this employeeName 1 constructor 2 public Employee String EmployeName int taxDeductions this employeeName taxDeductions single constructor 3 public Employee String EmployeName int taxDeductions String maritalStatus this employeeName this taxDeductions taxDeductions this maritalStatus maritalStatus mployeeNam self taxDeductions taxDeductions self maritalStatus maritalStatus Table2 4 shows the different between class implementation in Java and Python 31 2 6 4 SQLite SQLite is a small C library that implements in SQL database engine SQLite is a small database engine its stand alone and doesn t require any special dependencies and its database itself is stored in a single file Hence there is no confusing configuration involved and SQLite is small and in many applications quite fast 2 5 Summary The aim of this chapter is to provide relevant literature in Bluetooth technology and Mobile broadcasting The Following chapter will describe what method will be use and how we will conduct the system development 32 Chapter 3 Methodology 3 1 Introduction As state in wikipedia http en wikipedia org wiki Methodology Methodology also called manner is defined as i the analysis of the principles of methods rules and pos
51. ve broadcast meesage Once user enable Bluetooth on the mobile Bluetooth signal will be send to the system and Mac address will be retrieve and store in the database After that a comparison process will carry on to make sure that this user not yet receive broadcast message and the result will send back to the database and system will get the result from database and broadcast the message to the user 48 User Admin Add File Message Queue Figure 4 4 Sequence diagram for admin to add a broadcast file In this process admin will add the broadcast file in the file system in Linux 4 4 Database design Software selected to use in database development is Python SQLite3 The information included in database will be Active Bluetooth devices been detected Field name Explanation Type Key Type Mobile phone Mac Unique Id of a String address mobile phone Moblike phone Name set String name mobile phone owner Table 4 1 Active Bluetooth device table 49 Active Bluetooth device table is store in Python SQLite3 database When Bluetooth adapter search around for active Bluetooth devices Mac address of active mobile phone will be collect and store in database This database will be updated every 5 mins Field name Explanation Type Key Type receipient Unique Id of a String mobile phone or Path to file Path to the String broadcast file date Time message Time a
52. ve support for email and other internet data formats HTML XML and other markup languages http ftp and many other internet protocols cryptography iii Portable Python runs on most operating systems including some embedded and special purpose processors Scalable The speed power and extensibility of Python combine to give you a development toolset that will scale effortlessly to the largest projects 27 2 6 2 3 Python at Google At Google Python is one of the 3 official languages alongside with C and Java Official here means that Googlers are allowed to deploy these languages to production services Internally Google people use many technologies including PHP C Ruby and Perl Python is well suited to the engineering process at Google Internally Google has been using Python 2 2 It has been hard for them to move forward to 2 3 or 2 4 to make them capabilities with others machines and language Google will soon try to move to Python 2 4 and 2 6 Where is Python used in google e The Google build system is written in Python All of Google s corporate code is checked into a repository and the dependency and building of this code is managed by Python Greg mentioned that to create code google com took about 100 lines of Python code But since it has so many dependencies the build system generated a 3 megabyte makefile for it e Packaging Google has an internal packaging format like RPM These packages
53. ware process which are inception phase elaboration phase construction phase and the transition phase 3 3 1 Inception Phase During the inception phase the most important element is the requirements 37 gathering and scopes confirmation We have to identify all the users who interact with the application and their relationship We call the user as the actor and develop a set of use cases to clarify their relationship During the requirement gathering process it is essential for us to start our process in our client side Hence to gather accurate information and requirement needed by client side or user several researches are made For example several interview sections are made with staff of FSKSM and student in the faculty During the interview we can gather some needs from them and transform the requirement into a set of use cases Besides the staff authorities the application user is also the main actor that interacts with this application Thus needs and expectation of user is in the consideration 3 3 2 Elaboration Phase As mention above we are required to analyze the problem domain design a basic architecture design and develop a project plan during this elaboration phase In order to achieve these goals it is necessary for us to fully understand the proposed application Functional and non functional requirement scopes should be clarified before the architectural model In the following phase we will continue
54. with Java Perl and C Python is embedded in Linux Mint li Linux Mint RedHat Linux Mint 5 is an enhanced and user friendly desktop Linux distribution based on ubuntu 8 04 iii Vmware Vmware is use to running virtual os 3 5 2 Specific package need in Linux Mint i Ussp push Bluetooth push function and use to detect active Bluetooth device il SQLite3 SQLite is a small C library that implements a self contained SQL database engine This article examines pysqlite one of a number of libraries in Python that is used as an interface with SQLite ii Bluez utils is a bluetooh package specific use for enable universal Bluetooth adapter 41 3 6 Summary This chapter is touch about the technology required to develop the propose system and why those technology is being choose The next chapter will be mention about System design 42 CHAPTER 4 SYSTEM DESIGN 4 1 Introduction As state in the previous chapter Unified Modeling Language UML that included in Rational Unified Process RUP will be use to represent the design for the application Design phase will be separated into two phases that is Software Requirement Specification SRS and the Software Development Document SDD In SRS all the requirement gather will be transform into use cases Actor will interact with the system and use case is the process or function that flow between the application and actor Besides Sequence diagram will produce for each o
55. zed way vi Abstrak Pada permulaanya sistem pengumuan yang biasa digunakan oleh kalangan masyarakat adalah papan notis Papan notis diguna secara meluas kerana kos yang diperlukan adalah sangat rendah Malah ia sangat mudah untuk didapati dan dibangunkan Semasa penggunaan papan notis kerani perlu mengemaskini papan notis dari masa ke semasa Selepas penggunaan papan notis beberapa tahun kemudian papan notis elektronik dibangunkan untuk mengurangkan kerja kerani Kerani hanya perlu mengemaskinikan notis di antarakamuka pengguna Walaupun demikian masih terdapat kelemahan yang didapati Oleh itu system pengumuman Teknologi Bluetooth dibangunkan untunk mengatasi masalah yang didapati Chapter Abstract Abstrak Index List of Table List of Figure List of abbreviations Chapter 1 1 1 1 2 1 3 1 4 1 5 1 6 Chapter 2 2 1 2 2 2 2 1 2 3 2 4 2 5 2 5 1 2 5 2 Index Introduction Introduction Problems Purpose of system Project objective Project scope Summary Literature review Introduction Introduction to current system Analysis of current system Introduction to the propose system Internal working concept Technology Introduction to Bluetooth technology Bluetooth network topology vii page 11 ili vi vii viii A A Q N oo Oo N A 10 10 12 2 5 3 2 5 4 2 2 5 2 5 6 2 5 7 2 5 8 2 6 2 6 1 2 6 2 2 6 3 2 6 4 2 7 Chapter 3 3 1 32 3 3 3 3 1 3 32 3 3 3 3
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