5988_3484JA.ppt

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1 Part 2: 1 1

2 Part 2: 2 2

3 (BTS) (MS) Part 2: 3 3

4 Part 2: 4 4

5

6 6

7 ms PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q PN-I/ PN-Q 80 ms (3x ms) 80 ms (3x ms) 80 ms (3x ms) 80 ms (3x ms) 80 ms 80 ms 80 ms 80 ms 80 ms 80 ms 80 ms 80 ms Part 2: 7 7

8 Part 2: 8 8

9 PN = 8 PN = 12 PN = 20 PN = 24 PN = 28 PN = 32 Part 2: 9 9

10 Part 2: 10 10

11 Part 2: 11 11

12 Part 2: 12 12

13 Part 2: 13 13

14 Fc = Mcps BW = 1.25 MHz 14.4 kbps Fc = Mcps BW = 1.25 MHz kbps Part 2: 14 14

15 Fc = Mcps 1.25 MHz 1.25 MHz 1.25 MHz Fc = Mcps 3.75 MHz Part 2: 15 15

16 SF RC-1 RC-2 1x DS 1x DS 1.2, 2.4, 4.8, 9.6 1/2 BPSK 1.8, 3.6, 7.2, /2 BPSK RC-3 1x DS 1.2, 1.35, 1.5, 2.4, 2.7, 4.8, 9.6, 19.2, 38.4, 76.8, /4 QPSK RC-4 1x DS 1.2, 1.35, 1.5, 2.4, 2.7, 4.8, 9.6, 19.2, 38.4, 76.8, 153.6, /2 QPSK RC-5 1x DS 1.8, 3.6, 7.2, 14.4, 28.8, 57.6, 115.2, /4 QPSK RC-6 3x 1.2, 1.35, 1.5, 2.4, 2.7, 4.8, 9.6, 19.2, 38.4, 76.8, 153.6, /6 QPSK RC-73x 1.2, 1.35, 1.5, 2.4, 2.7, 4.8, 9.6, 19.2, 38.4, 76.8, 153.6, 307.2, /3 QPSK RC-8 3x 1.8, 3.6, 7.2, 14.4, 28.8, 57.6, 115.2, 230.4, /4 (20 ms) 1/3 (5ms) QPSK RC-9 3x 1.8, 3.6, 7.2, 14.4, 28.8, 57.6, 115.2, 230.4, 259.2, 460.8, 518.4, /2 (20 ms) 1/3 (5ms) QPSK Part 2: 16 16

17 SF RC-1 1x DS 1.2, 2.4, 4.8, 9.6 1/2 64-ary Orthogonal RC-2 1x DS 1.8, 3.6, 7.2, /2 64-ary Orthogonal RC-3 1x DS 1.2, 1.35, 1.5, 2.4, 2.7, 4.8, 9.6, 19.2, 38.4, 76.8, / /2 BPSK/Pilot RC-4 1x DS 1.8, 3.6, 7.2, 14.4, 28.8, 57.6, 115.2, /2 BPSK/Pilot RC-5 3x DS 1.2, 1.35, 1.5, 2.4, 2.7, 4.8, 9.6, 19.2, 38.4, 76.8, / , /3 BPSK/Pilot RC-6 3x DS 1.8, 3.6, 7.2, 14.4, 28.8, 57.6, 115.2, 230.4, / /2 BPSK/Pilot Part 2: 17 17

18 (BTS) (MS) Part 2: 18 18

19 19

20 Part 2: 20 20

21 Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ

22 Part 2: 22 22

23 Part 2: 23 23

24 π Σ Σ Σ π

25 9,600 N 4,800 2,700 1, Mcps 1/4 1/4 1/4 1/ /9 4/5 38,400 N 38,400 38,400 38,400 sps 19,200 N 19,200 19,200 19,200 sps 64/N /N Part 2: 25 25

26 Part 2: 26 26

27 Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ Σ

28 Part 2: 28 28

29 Part 2: 29 29

30 π Σ Σ Σ π

31 PN - I I I s 90 o cos ( 2 π ω RF t) Q Q s PN - Q Part 2: 31 31

32 Part 2: 32 32

33 WR 0 PN-I cos ( 2πf RF t) I Σ I s [ ] [ ] WR 1 Σ Q Σ Q s WR 0 PN-Q WR 0 = [ + + ] WR 1 = [ + - ] sin ( 2πf RF t) Part 2: 33 33

34 [ ] [ ] Part 2: 34 34

35 Part 2: 35 35

36 Part 2: 36 36

37 2G kbps 3G 2 Mbps? Part 2: 37 37

38 Part 2: 38 38

39 4 2 Part 2: 39 39

40 Part 2: 40 40

41 Fc = Mcps BW = 1.25 MHz 9.6 kbps kbps 9.6 kbps kbps kbps(f) kbps (R) Part 2: 41 41

42 Part 2: 42 42

43 Part 2: 43 43

44

45 ms n n+1 n+2 n+3 n+4 n+5 n+6 n+7 n+8 n+9 n+10 n+11 n+12 n+13 n+14 n+15 Part 2: 45 45

46 , , , , , , ,048 1, , ,072 1, ,072 1, ,096 2, ,096 1/5 1/3 QPSK 8-PSK 16-QAM Part 2: 46 46

47 Part 2: 47 47

48 Σ Σ

49 ,0 24 2,0 48 4, ms 1/4 1/4 1/4 1/4 1/2 1,024 2,0 48 4,0 96 8,1 92 8, BP SK Part 2: 49 49

50 Part 2: 50 50

51 51

52 Copyright 2001 July 31, JA DEP

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