UNIVERSITI TEKNOLOGI MALAYSIA - FKE - UTM

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15Because of the blind spot problem, hybridization positioning approach is utilizingconcurrent GPS and the GSM positioning technologies; GSM positioning used toovercome the blind spot problem of the GPS positioning, so as to provide a betterlocation service.For GPS positioning, there are various filters technique to remove thoseless accurate positions can improve the quality positioning data. Since FleetManagement focus a lot of real time application, hence, commonly used modelbasedKalman filter techniques, is chosen. On top of that, three embedded filtersthat are Speed Spike Filter, Distance Spike Filter and Bearing Filter have beenintroduced to further remove unwanted potential false positions. For GSMpositioning, the readily available information that Mobile Station (MS) that canread using AT command is chosen.2.7 BSmart A300 b’AT UnitFigure 2.3 External view of b’AT
16Figure 2.4 Internal view of b’ATThe BSmart A300 b’AT unit is a device created based on the concurrentGPS and GSM real time positioning technology. It is produced by BSmartSolutions (M) Sdn. Bhd. As we can see from the figure, the main component of thedevice includes a GPS receiver, a GSM modem, a rechargeable battery, a serialport and an antenna. The company marketed this device is for various uses amongit is the anti car theft service. When a car had been stolen, the device can trackdown where is the stolen car situated. It can also give early warning car alarmcapability to alert and monitor unauthorized vehicle ignition and movement.Another usage of this device is for fleet management. This device can beinstalled in commercial vehicles, buses, lorries and security vehicles to achievemeasurable improvements in operation efficiency and effectiveness, enhance safetyand security and realize large cost savings. Owners can track down their vehicles’journey through Google Earth or sending an SMS to acquire the location.
Page 1 and 2: UNIVERSITI TEKNOLOGI MALAYSIAPSZ 19
Page 3 and 4: “I hereby declare that I have rea
Page 5 and 6: iii“I hereby declare that the the
Page 7 and 8: vACKNOWLEDGEMENTFirstly, I would li
Page 9 and 10: viiABSTRAKPetani pada zaman ini sen
Page 11 and 12: ix2.3 The GPS System 82.3.1 GPS Rec
Page 13 and 14: xiLIST OF TABLETABLE NO. TITLE PAGE
Page 15 and 16: xiii5.4 Location information 485.5
Page 17 and 18: 2earthquake studies. As for my proj
Page 19 and 20: 41.4 ScopeThe main emphasis of this
Page 21 and 22: 6CHAPTER 2LITERATURE REVIEW2.1 Intr
Page 23 and 24: 8processing and digital control mac
Page 25 and 26: 10value. When you measure the dista
Page 27 and 28: 122.4.1 GPRSGeneral Packet Radio Se
Page 29: 14iv. Alerts and notifications.a) E
Page 33 and 34: 18internal pull-up resistors R12 an
Page 35 and 36: 20CHAPTER 3THEORY3.1 IntroductionTh
Page 37 and 38: 223.3 AT commandThis project will a
Page 39 and 40: 24CHAPTER 4METHODOLOGY4.1 Introduct
Page 41 and 42: 264.3 Software ImplementationThe en
Page 43 and 44: 28Init. DS19231Wait for 5 secondsB
Page 45 and 46: 304.3.2 The PDU formatBefore we beg
Page 47 and 48: 32The rightmost bit of the second c
Page 49 and 50: 34Upper Byte:- Reservedx 1 = Roamin
Page 51 and 52: 360A10412274E600000000043AFF2100130
Page 53 and 54: 38In case of there’s no occurrenc
Page 55 and 56: 40// insert Current Temp (1W), iBut
Page 57 and 58: 42// or UserTask Receive ISYS messa
Page 59 and 60: 44Forbid();wConfig1 =LOG_OperationP
Page 61 and 62: 46The figure shows the web page whi
Page 63 and 64: 48Figure 5.4 Location informationFi
Page 65 and 66: Figure 5.8 Google Earth50
Page 67 and 68: 52themselves to collect the data. T
Page 69 and 70: 54REFERENCES1. Sanders G., Thorens
Page 71 and 72: 56WeekActivitie s3 4 5 6 7 8 9 10 1
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79APPENDIX CGSM MODULE DATASHEET
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UNIVERSITI TEKNOLOGI MALAYSIA - FKE - UTM

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