(3) ???(3G)?????CDMA?????, ?????2 Mb/s?10 Mb/s???????

1
?10? ???????

• 10.1 ??????
• 10.2 ????????????????
• 10.3 ????????????
• ??????

2
10.1 ??????

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

3

• ???????????, ?????????????
• (1) ????????????? ?????????,
  ????????????????????? ???????????????????????,
  ??????????????

4

• (2) ????????????? ??????????????,
  ????????, ????????? ????????????????,
  ?????????????????????

5

• (3) ???(3G)?????CDMA?????, ?????2
  Mb/s?10 Mb/s???????
• (4) ?(?)??(B3G)????(4G)??????????,
  ??OFDM????????, ??????100 Mb/s??1 Gb/s??????

6

• 10.1.1 ???????
• ????, ???????????
  ??????????????(Whoever)?????(Whenever)?????(Wherev
  er)???????(Whomever)??????(Whatever)???? ??,
  ?????????????, ???????????, ??????????, ?????????
  ?????????????????, ???????????????????(PCN)?

7

• ?????????????, ????????????1988???????
  ?? ??, PCN???????????????????, ??????????????PCN??
  ???????????, ?????????????, ??PCN?????????????????
  ????

8

• 10.1.2 ?????????
• ?????????????????? ?1988???,
  ??????????????????????, ????????, ??????? ????,
  ???????????????
• (1) ??? ??????????????????????
  ?????????????????, ????????????????,
  ???????????????????????

9

• (2) ?????????????????????, ?????????
  ???????????????????? ??????????????????
  ???????????????

10

• ????????????????????????????????,
  ???????????
• ? ???????????????? ????????, ????,
  ????????? ???????????????????????
• ? ???????????????????,
  ??Telepoint????????, ???????? ?????????,
  ??????????

11

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

12

• (3) ????????????, ???????, ????,
  ??????????????, ??????, ?????????????,
  ??????????????, ?????????????

13
10.2 ????????????????

• 10.2.1 ????????????????
• ??????????????? ?????????????20??80???
  ???????? ??????????????? ????????, ?????
  ???????(??kb/s?2 Mb/s), ???????? ??????????????

14

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

15

• ??????????????, ????????????(ITU)???,
  ?????????????????????????(FPLMTS),
  ??????????2000(IMT-2000)? 1998?12?,
  ??????ITU?????????(RTT)???

16

• (1) ?TDMA??????
• DECT, ??ETSI??(EP)DECT?
• UWC-136(Universal Wireless
  Communications), ????TIA TR45.3?

17

• (2) ?CDMA??????
• WINS W-CDMA(Wireless Multimedia and
  Messaging Service Wideband CDMA), ????TR46.1?
• TD-SCDMA(Time?Division Synchronous
  CDMA), ???????????(CATT)?
• W-CDMA(Wideband CDMA), ????ARIB?
• CDMA?(Asynchronous DS-CDMA),
  ????TTA?

18

• UTRA(UMTS Terrestrial Radio Access),
  ??ESTI SMG2?
• NAW-CDMA(North American Wideband
  CDMA), ????TIPI-ATIS?
• cdma2000(Wideband CDMA(IS-95)),
  ????TIA TR45.5?
• CDMA ?(Multiband Synchronous
  DS-CDMA), ????TTA?

19

• (3) ?????????
• SAT-CDMA, ????2000 km, ????7?,
  ??49??????, ????TTA?
• SW-CDMA(Satellite Wideband CDMA),
  ??ESA?
• SW-CTDMA(Satellite Wideband Hybrid
  CDMA/TDMA), ??ESA?

20

• ICO-RTT, ????10 390 km, ????2?,
  ??10??????, ??ICO Global Communication?
• Horizons(Horizons Satellite
  System), ??Inmarsat?

21

• 1999?11?????TG8/1?????IMT-2000???????
  ???, ????????????????????????????CDMA?TDMA??,
  ????
• CDMA DS UTRA FDD(WCDMA)
• CDMA MC cdma2000 MC
• CDMA TDD UTRA TDD?TD-SCDMA
• TDMA SC UWC-136
• TDMA MC DECT?

22

• 10.2.2 ?(?)??(B3G)????(4G)??????????
• ?????????????, 2003???????120?IMT-2000
  ?????? ??????, ???????2001?10?????(WCDMA??),
  2004?3???300???, ?????99??????

23

• ????(3G)?????????, ??????????????,
  ?????(?)??(B3G)????(4G)??????????? ???????????
  ?????3G?????, ?????????? ??????????
  ?????????3G???, ?3GPP???????????(HSDPA),
  ????????10.8 Mb/s? 3GPP2???1xEV-DV, ???????5.4
  Mb/s?

24

• ITU-R????????????????
  ??IMT-2000?????, ???IMT-2000????
  IMT-2000????????????? ??????
• WWRF(Wireless World Research
  Forum)??????????????????????????,
  ??????????????????? ????????, ???????????????????
  ???????? ??, ????100 Mb/s?1 Gb/s??????

25

• IEEE 802????????????????????????
  ?IEEE 802.11n?????WLAN?????????100 Mb/s,
  ???802.11n??????2006????2007???????
  2004?8????????????, TGn Sync???????????????640
  Mb/s??, ?WWiSE??????????540 Mb/s
  ?????????????????(MIMO, Multiple Input and
  Multiple Output)??????????

26

• ????, ?????10-1????????????????
  ???????(Wide Area Coverage)????????????(Local
  Area Coverage)???????

27

• ?10-1 ?????????

28
10.3 ????????????

• 10.3.1 ?????????
• 1. ????????
• ?????????????????????????????,
  ?????????????????????????????, ???????????????????
  ??????, ????????????????????,

29

• ??????????????, ????????????????(?????, ????
  ?????, ????), ?????????????

30

• ????????????????
• (1) ??????????(VR-QAM)?
  QAM??????????????? ?????, ???????????????

31

• ?10-2 ??QAM????

32

• (2) ??????????(VSG-CDMA)?
  ??????????????????????????????? ??????????????,
  ???????, ?????????? ??????????????, ???????????,
  ??????????, ????????

33

• (3) ??????(MC-CDMA)?
  ???????????/?????, ????(1, 2, , M)??,
  ??????????????????, ???????????1?????,
  ?/???????1??? ????????????????2??????,?/??????2??
  ? ????, ????M???, ??????????????M??

34

• (4) ??????-?????????(VSF-OFCDM)?
  ??????-?????????(VSF-OFCDM)? OFDM?CDM(????)???,
  ??????????????????, ??????????????????????????????
  ???

35

• 2. ???????
• ???????(AMC)????????????????????,
  ???????????????????????

36

• ??, ??????QPSK? 8PSK? 16QAM?
  64QAM?????, ???????R1/4? 1/2? ?3/4?Turbo??
  ??????????????? QPSK R1/4, QPSK R1/2, QPSK
  R3/4, 8PSK R1/2, 16QAM R1/2, 16QAM
  R3/4?64QAM R3/4?,??10-1??? ??????3.84 Mc/s,
  ??20???? 64QAM? R3/4? ?????10.8
  Mb/s????????QPSK R1/4, ????1.2 Mb/s?

37

• ?10-1 ????????(MCS)???????

38

• ?10-3 ???????????

39

• NTT DoCoMo?4.635 GHz??? 101.5
  MHz???????????????, ??VSF-OFCDM????????????10-3???
  ???????????16, ????????1, ??15???,
  6????????(MCS) ???????????SNR?6.0? 14.0? 22.0
  dB?, ?????????100? 200?300 Mb/s? ???????,
  ???????????(AMC), ???????????????????

40

• 10.3.2 ????????
• ?????????(MIMO)???? ??????? ?????
  ?????????MIMO????
• 1. ????
• ??????????????? ????????????40???????

41

• ?10-4 ???????????????

42

• ????????????????????????, ???????????????????
  ????????, ???????????????????, ???????????????????
  ?????????, ????????????(SDMA), ??10-4 ???
  ????????????????????

43

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

44

• ?10-5 ??????????

45

• ?10-5????????????(DOA)??????????,
  ???????N????????????, ??????????? ??????,
  ??????????????????, ??/2 W???????
  ????????????????????, ???????????, ?????????????,
  ?????????????, ??????????, ?????????????
  ?????????????, ??????????????

46

• ??????????????????????????????????,
  ?????????????????????, ???????,
  ???????????(??????(LMS)??? ??????(RLS)???),
  ??????W????, ???????????????????,
  ?????????????????????????? ?10-6????????????????

47

• ?10-6 ??????????????

48

• ????????????, ?????????????,
  ????????, ??????, ?????????????????
  ??????????????????
• (1) ?????????????????????
  ????????????????????, ????????????????????

49

• (2) ???????????????????, ?????????
  ??, ???????????????
• (3) ????????????, ????????????????,
  ?????????????????????

50

• 2. ????
• ????(Space Time Coding)?????????????,
  ????????????, ??????????????, ??????????
  ???????? ??????(STBC)???????(STTC)?

51

• ?????????????10-7???
  ?????????(????)???????? ??????????????,
  ???????s0?s1, ????????????s0, -s1?s1, s0,
  ??????0???, ??????1???, ????????10-8???

52

• ?10-7 ???????????

53

• ?10-8 ???????????????

54

• ???t?????? ????0?????????????h0(t),
  ????1?????????????h1(t)? ????????????????, ??

(10-1)
55

• ??, T??????? ??????????
• r0r(t)h0s0h1s1n0?
• r1r(tT)-h0s1h1s0n1

(10-2)
?10-8????????????????????? ??????
(10-3)
56

• ??(10-1)??(10-2)???(10-3), ???

(10-4)
??????????????? ???????????????????????
??????????????????????
57

• ?

?
(10-5)
(10-6)
58

• ???????????????????,
  ???(10-5)??????????????, ?

(10-7)
M???????????
(10-8)
59

• ??????????????1, ?????????????????,
  ?????????????? ??, ??4????????1/2???????????,
  ???????????????

(10-9)
60

• ?10-9 2??????8PSK???8??????

61

• 3. ??????(MIMO)??
• ?????????????????(?????????(MIMO)??)??
  ???????????, ??????? MIMO????????????????????????
  ???N??????M????????, ?MIMO(M, N)???? ??MIMO(3,
  3)????10-10??, ??????b1, b2, b3, , ???????1?
  2?3???, ???????????(?V-BLAST??)?????????????????,
  ???????????

62

• ?????????????? ??N??????????, ????,
  ???????SNR???, ?????H???, MIMO???????????

(10-10)
63

• ?10-10 MIMO(3, 3)???

64

• 10.3.3 ?????
• ???????????, ???????????????,
  ?????????????, ????????, ???????????????,
  ?????????????, ??????????, ???????????????????????
  ????????

65

• ?10-11???????????? ??????,
  ???????????????, ?????????, ??????????????,
  ????????????????????????????? ????????????????????
  ?, ?????????, ???????, ????????????, ???????,
  ????????????????, ??????????????, ???????????????
  ??, ????????????????????????

66

• ?10-11 ?????????

67
??????

• 1. ?????????????????? ????????????
• 2. ??????(PCS)??????(PCN)?????? ????
• 3. ??????????????????????????????

68

• 4. B3G?4G?????????
• 5. ?????????????? ???????????
• 6. ???AMC? ?????AMC??????