1. Prepared by: 1. Ng Khc Hong2. Nguyn Vn L3. Nguyn Th HoGSM and WCDMA ofVinaphoneCOMPUTER COMMUNICATIONS AND NETWORKS 11

2. Content of PresentationI.2 3. GSM stands for The Global System for MobileCommunication GSM is a European standard, developed to provide acommon second-generation (2G) technology for allEurope. The aim of GSM is to replace incompatibletechnologies of the first-generation (1G)I. 1. THEORY OF GSM: (a) Definition3 4. Two duplex bands for communication with each oneof 25 MHz in width Each band contains 124 channels of 200 KHzseparated by guard intervalsI. 1. THEORY OF GSM: (b) Technique4 5. I. 1. THEORY OF GSM: (b) Technique5 Transmission of GSM: Both TDMA & FDMA areused 6. GSM allows a reuse factor as low as 3I. 1. THEORY OF GSM: (b) Technique6 7. I. 1. THEORY OF GSM: (c) Architecture7 8. Base transceiverstationProvides the wirelessconnection betweenMS and BTSI. 1. THEORY OF GSM: (c) Architecture8 9. Base stationcontrollerProvides intelligentfunctions to control allactivities of the radiosubsystem, andinterface management.I. 1. THEORY OF GSM: (c) Architecture9 10. Mobile SwitchingCenterEstablishingtrafficchannelconnectionsto BSS, otherMSCs, andothernetworksI. 1. THEORY OF GSM: (c) Architecture10 11. Home locationregister Manage allsubscriber dataI. 1. THEORY OF GSM: (c) Architecture11 12. Visitor locationregisterProvide datato process acall while MSmoves toanotherlocationI. 1. THEORY OF GSM: (c) Architecture12 13. AuthenticationcenterI. 1. THEORY OF GSM: (c) Architecture13 14. Operation and maintenancecenterI. 1. THEORY OF GSM: (c) Architecture14 15. I. 1. THEORY OF GSM: (c) Architecture15 16. WCDMA stands for Wideband Code DivisionMultiple Access WCDMA is an air interface standard in 3G mobilecommunication networks, and uses a version ofCDMA Supporting richer mobile multimedia servicessuch as music-on-demand, TV, videostreaming, Internet access.I. 2. THEORY OF WCDMA: (a) Definition16 17. I. 2. THEORY OF WCDMA: (b) Technique17 18. I. 2. THEORY OF WCDMA: (c) Architecture18Network Architecture 19. 19I. 2. THEORY OF WCDMA: (c) ArchitectureProtocol Architecture 20. Content of PresentationII.20 21. ~30.000 BaseTransceiverStationsD900II. 1. GSM OF VINAPHONE: (a) Parameters21 22. TRAUE1-PCM30TranscoderRateadaptorA digitalsignalstream30 telephonyanalog signalsII. 1. GSM OF VINAPHONE: (b) Architecture22 23. II. 1. GSM OF VINAPHONE: (c) Services23 24. 24 25. 25 26. 26 27. 27 28. 28II. 2. WCDMA OF VINAPHONE: (a) 2G 3G3GPPRelease 4Release 5 29. - Frequency band: 2100 MHz- Maximum Internet Access Rate:+ 1st step: 7.2 Mbps+ 2nd step: 14.4 Mbps- Handover techniqueII. 2. WCDMA OF VINAPHONE: (b)Parameters29 30. II. 2. WCDMA OF VINAPHONE: (c)Architecture30 31. 31User Equipment+ Mobile Equipment+ USIMInterface:+ Cu: ME USIM+ Uu: UE UTRAN 32. 32UTRAN (~BSS)+ Node B+ RNCInterface:+ Tur: RNC RNC+ Iub: Node B RNC+ Iu: UTRAN CN+ IuBC: RNC - CBC 33. 33Core Network+ Inherit from GSM:MSC/VLR, G-MSC, SGSN, GGSN,HLR/EIR/AuC+ MSC/VLR & HLR:change in hardwareand software+ MSC: Softswitch(MSC Server andMGW) 34. 34 35. 35II. 2. WCDMA OF VINAPHONE: (d) Services 36. 36II. 2. WCDMA OF VINAPHONE: (d) ServicesAllow subscribers to see each otherduring a call via mobile phone camera.Allow subscribers to access directly toInternet with mobile phone.Allow subscribers to have high speedInternet access from computer. 37. 37II. 2. WCDMA OF VINAPHONE: (d) ServicesAllow subscribers to watch live TVchannels and other requested contents(music, films, video clips) on themobile phone screen.Allow subscribers to watch imagesobtained from cameras placed atintersections, public places, privatehomeson the mobile phone screen. 38. 38+ GSM: 2G Basic services: Voice call, SMS, Fax+ WCDMA: 3G Multimedia services: Video call, MobileTV, Mobile InternetREVISIONThe evolution hasntstopped 4G 5G nG 39. 39THANKS FOR YOURATTENTION!