Chapter 9 3G?B3G ? 4G ???

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Chapter 9 3G?B3G ? 4G ???

• Introduction to 3G?B3G and 4G

2
????

• ??????????,?1980??????,??????????????????????(Thir
  d Generation,3G)?????,?????B3G(Beyond
  3G,B3G)????????(Forth Generation,4G)???????,??????
  ?3G?????????????????????

3
????

• ?????????
• ?????????
• B3G??????
• ?????????
• ??
• ??

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Section 9.1????????? Requirements of Wireless
Data Services
5
???????????
??????????????

• ????????
• ???????????
• ??????
• ????
• ????
• ??????(Voice over IP,VoIP)
• ??2G/2.5G???????????????

2G/2.5G ??????????????????
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? 9-1 ????????????????
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Mobile Internet

• ? mobile system ? Internet ???????, ?Internet
  ???? IP ????,??????????????
• ?????mobile Internet???,??? mobile system ????
• ?????????
• ????????(QoS)
• ???????
• ?????????

Internet ????? mobile ????????
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3G ??? (1/2)

• 3G ????????????,??????????
• ????????????????, ?????????????? IP
  ????????,?????? IP ????????????????????

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3G ??? (2/2)

• 3G ?????????
• ? 3G ???,???? IP ????????????(service
  network)?????,???????
• 3G ????????
• ??????????????
• ????????????????????,??????????????????????
• 3G ????? 2G ? 2.5G ????,????? B3G ? 4G
  ??????????????,?????????????????

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Section 9.2?????????The Third Generation Mobile
Systems
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IMT-2000

• ????????(International Telecommunication
  Union,ITU)???
• ??????1980??????? 3G ??????,????????????????
• ????FPLMTS(Future Public Land Mobile
  Telecommunication Systems)
• ????IMT-2000(International Mobile
  Telecommunications-2000)
• ?1992?,?????????WARC(World Association Radio
  Conference)????2 GHz?????????????

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IMT-2000 ???
????????,???????????

• ?????????????????????
• ??????????????
• ?????????????
• ??????????
• ?????????
• ??????,????2Mbps????(3Km/hr)?384Kbps????(120Km/hr)
  ?144Kbps?
• ?????????????

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3G ???
Regional Standard Bodies
ITU-R
Request for IMT-2000 candidates
Development Phase
Submission of candidate proposals
1998,6
14 ???????????
Evaluation Phase
Evaluation Monitoring
Minimum Performance Comparison
Submission of evaluation results
1998,9
IMT.RKEY?????IMT-2000????????? IMT.RSPC?????ITU???
????????
Consensus building phase IMT.RKEY
Detailed specification IMT.RSPC
1999
Implementation
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? 9-2 5 ? IMT-2000 ??

• ITU?????5?3G???????

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IMT-DS (Direct Spread)

• ? 3GPP ??????????
• ?? ETSI ??? ARIB
• 3GPP???????????????UMTS(Universal Mobile
  Telecommunications System)?
• ?????? GSM/GPRS ???????????,?????GSM/GPRS????????
• ????????WCDMA-FDD,??????(Direct Sequence Spread
  Spectrum)????

DS-WCDMA
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3GPP

• 3rd Generation Partnership Project
• ?? ARIB TTC??? ETSI?? T1P1?? TTA
• 3GPP ???????????
• GSM?GPRS?EDGE?UMTS ????????(access
  network)?????(core network)???????(service
  network)??(??CAMEL?OSA?)?
• MMS?LCS(LoCation Service)?3G-324M?????????(communi
  cation service)???
• USIM(?10.1.1?)?????????????????

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IMT-MC (Multi-Carrier)
MC-WCDMA

• ? 3GPP2????????
• ????? TIA????TTA???? TTC ? ARIB,?????? CCSA ????
• ???? CDMA2000?
• ??????(Multi-Carrier,MC)??,???? 1.25MHz ????
  cdmaOne ????,??????1.25MHz?
• ?????? IS-95 ??????? ANSI-41?

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CDMA2000 ???

• CDMA2000 1x
• ???? cdmaOne ??,???? 1.25MHz ??,????? 307Kbps
  ????
• CDMA2000 3x
• ???? 1.25MHz ????????? 3.75MHz,????? 384Kbps
  ??????
• CDMA2000 1x EV-DO
• EV ? Evolution,DO ? Data Only??? 2.4Mbps ??????
• CDMA2000 1x EV-DV
• DV ? Data/Voice ????????????????????????

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3GPP2

• 3rd Generation Partnership Project 2
• ????? TIA????TTA???? TTC ? ARIB,?????? CCSA ????
• 3GPP ???????????
• CDMA2000 ?????

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IMT-TC (Time-Code) (1/2)

• ?3GPP???
• ??????(Time Code,TC),?????(TDD)?CDMA???
• IMT-TC ??????
• WCDMA TDD??
• ??3GPP UMTS?TDD??,??UTRA-TDD?
• TD-SCDMA(Time Division Synchronous Code Division
  Multiple Access)
• ??????????????

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IMT-TC (Time-Code) (2/2)

• ???????????????????????,????????????,???????????,?
  ??????????????????
• ??????????????,???????

?????? ????????,??????????
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IMT-SC (Single Carrier)

• ??????(Single Carrier,SC)???,??? TIA ???
• ????? IS-136 ???? EDGE,??? UWC-136/EDGE?
• ?????? IS-41 ?????

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IMT-FT (Frequency Time)

• ????/??????(FDMA/TDMA,FT)?????(TDD)????
• ??? ETSI ???,??? DECT(Digital Enhanced Cordless
  Telephone)????
• ??????????????????????

?????,???????? ?????????????
??????????????
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Section 9.3B3G ??????B3G Mobile Communication
Technology
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Beyond 3G (1/2)

• ITU?2001?????????3G(Beyond 3G)?????????,??ITU-T
  Special Study Group IMT-2000 and
  Beyond??????B3G????
• B3G????????????,???????????????
• ?9-3??9-4???

???? B3G ???????
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Beyond 3G (2/2)

• ?????????,??????3G(i.e.,2Mbps)???4G????(i.e.,100Mb
  ps)????????,???B3G???????
• 3GPP Rel-5?HSDPA(??14.4Mbps),WMAN(802.16e)(??15Mbp
  s),GPRS/3G?WLAN????????
• ??????,??????IP??????

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? 9-3 ? IMT-2000 ?????
??????? ??????????
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? 9-4 B3G ???????
??????? ??????????
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Section 9.4?????????The Forth Generation Mobile
Telecommunication Network
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4G (1/2)

• 4G ?????
• ??????????????????????????????????????
• ?IP?????QoS(Quality of Service)?
• ???????????
• ?????????????????????????????

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4G (2/2)
?? 4G ???, ???????9-3 ?????????

• ITU-R ? 2003 ? 6 ???? 4G ?????????,??