3/8/005 3G 7 3/8/005 3G 8 3/8/005 3G 9 3/8/005 3G 0 3/8/005 3G 3/8/005 3G

3/8/005 3G 3/8/005 3G 3/8/005 3G 3 3/8/005 3G 4 3/8/005 3G 5 3/8/005 3G 6

3/8/005 3G 7 3/8/005 3G 8 3/8/005 3G 9 3/8/005 3G 0 3/8/005 3G 3/8/005 3G

a(i) f f f f A B A B a(ii) f f f 3 f f f 3 A B C A B C a(iii) f f f 3 f 4 f A B C D A 3/8/005 3G 3 3/8/005 3G 4 3/8/005 3G 5.πa 0.73πa 0.35πa 3/8/005 3G 7 3/8/005 3G 6 a.3a a a 3a a.6a 0.59a 0.7a 3/8/005 3G 8

GSM N = a + ab + b 3/8/005 3G 9 3/8/005 3G 0 3/8/005 3G CDMA 3/8/005 3G 3/8/005 3G 3 D = 3R ( b + a / ) + ( 3a / ) = 3( a + ab + b ) R = 3N R 3/8/005 3G 4

(a) (b) (c) (d) (a) (b) 35 (c) (d) 43 (e) 33 (f) 6 (e) (f) 3/8/005 3G 5 3/8/005 3G 6 3/8/005 3G 7 3/8/005 3G 8 3/8/005 3G 9 3/8/005 3G 30

3/8/005 3G 3 3/8/005 3G 3 3/8/005 3G 33 3/8/005 3G 34 3/8/005 3G 35 3/8/005 3G 36

3/8/005 3G 37 3/8/005 3G 38 3/8/005 3G 39 3/8/005 3G 40 3/8/005 3G 4 3/8/005 3G 4

< < 3/8/005 3G 43 3/8/005 3G 44 3/8/005 3G 45 CDMA 3/8/005 3G 46 3/8/005 3G 47 3/8/005 3G 48

IMT-000 384Kbps Mbps 44Kbps 0Kbps User Bit Rate GSM-EDGE Evolved nd Generation Systems (GSM-HSCSD, GPRS, IS-95B) nd Generation Systems (GSM, IS-95, IS-36, PDC) Short Distance / Low Mobility Wide Area / High Mobility 3/8/005 3G 49 3/8/005 3G 50 3/8/005 3G 5 CDMA CDMA 3/8/005 3G 5 3/8/005 3G 53 3/8/005 3G 54

3/8/005 3G 55 3/8/005 3G 56 3/8/005 3G 57 F 3 F f f F f 3 3/8/005 3G 58 3/8/005 3G 59 3/8/005 3G 60

X N N N X ( t) X ( t) = λ λ X ( t) ( t) = λi i + i i= i i= i= λi λ j i 3/8/005 3G 6 3/8/005 3G 6 3/8/005 3G 63 FDMA X i () t N λix i() t TDMA i= CDMA λ i 3/8/005 3G 64 3/8/005 3G 65 3/8/005 3G 66

3/8/005 3G 67 3/8/005 3G 68 3/8/005 3G 69 T dt T 0 3/8/005 3G 70 3/8/005 3G 7 3/8/005 3G 7

3/8/005 3G 73 3/8/005 3G 74 3/8/005 3G 75 3/8/005 3G 76 3/8/005 3G 77 3/8/005 3G 78

C = W log ( + S / N) 3/8/005 3G 79 3/8/005 3G 80 3/8/005 3G 8 ST S W P e f ( W ) = f ( ) N N B 3/8/005 3G 8 3/8/005 3G 83 3/8/005 3G 84

W W G = G p = 0 log G = 0log B B M Gp ( Ls ( S j = + ) ) N 0 ( ) 0 S N 3/8/005 3G 85 3/8/005 3G 86 3/8/005 3G 87 3/8/005 3G 88 3/8/005 3G 89 3/8/005 3G 90

3/8/005 3G 9 3/8/005 3G 9 3/8/005 3G 93 3/8/005 3G 94 3/8/005 3G 95 3/8/005 3G 96

3/8/005 3G 97 3/8/005 3G 98 3/8/005 3G 99 P = m m m j j j j 3 P = m m m j j j j 3/8/005 3G 00 3/8/005 3G 0 3/8/005 3G 0

3/8/005 3G 03 g g () () = 753( ) = 00( ) = 56( ) = 0000( ) 3/8/005 3G 04 g = ( g, g, g, g. g, g, g, g, g ) = (00) () () () () () () () () () (),0,,,3,4,5,6,7,8 g = ( g, g, g, g, g, g, g, g, g ) = (0000) () () () () () () () () () (),0,,,3,4,5,6,7,8 3/8/005 3G 05 () () () g g g, lg, (),0 l 8 l () () () () () cλ = dλ + dλ + dλ + dλ 3 + d + d + d () () () λ 5 λ 7 λ 8 c = d + d + d + d + d () () () () () () λ λ λ λ λ λ 3 4 8 3/8/005 3G 06 3/8/005 3G 07 3/8/005 3G 08

3/8/005 3G 09 3/8/005 3G 0 3/8/005 3G Rb = RB log N 0 0 = 0 ( + ) ( + ) = + = 0 ( ) ( ) = + P e 0 =, 0=,0 0= 0, = 0 0 = ( ) ( + ) = 0 = ( + ) ( ) = = P b = 3/8/005 3G 3/8/005 3G 3 3/8/005 3G 4

S( t) = A( t) Sin[ ω ( t) + ϕ( t)] 3/8/005 3G 5 3/8/005 3G 6 3/8/005 3G 7 S ( t) = I ( t)cosω ( t) Q( t)sinω ( t) MPSK I ( t) = a rect( t ) n c n nt b Q ( t) = b rect( t ) n n nt b c 3/8/005 3G 8 3/8/005 3G 9 3/8/005 3G 0

3/8/005 3G 3/8/005 3G 3/8/005 3G 3 X = ( I cosθ + Qsinθ )cosθ = I cos θ + Qsinθ cosθ Q Q sinθ cosθ = sin θ ( I cosθ + Qsinθ ) sinθ = I sinθ cosθ + Qsin θ I = sin θ + Q( cos θ ) I I I cos Q sinθ cosθ θ = + cos θ I Q = sin θ + ( cos θ ) I I cos θ Q I Q = + sin θ cos θ 3/8/005 3G 4 3/8/005 3G 5 3/8/005 3G 6

() t cosω c t sinω c t Ck ( t nt) n ( n+ ) T nt ( n+ ) T nt yk [( n+ ) T] y [( n+ ) T] k d kn QAM d in (,) MQAM c i ( t) (,) FSK c i ( t) 0 t > T t < 0 PSK T c t c t dt i ( ) j ( ) 0 ASK CPM BFSK MFSK BPSK DPSK QPSK MSK GMSK TFM OQPSK /4 QPSK DQPSK MSK QPSK QPSK 3/8/005 3G 7 3/8/005 3G 8 3/8/005 3G 9 3/8/005 3G 30 3/8/005 3G 3 3/8/005 3G 3

AUTH-SIGNATURE 3/8/005 3G 33 3/8/005 3G 34 3/8/005 3G 35 MS AUTHR AUTHU 3/8/005 3G 36 3/8/005 3G 37 3/8/005 3G 38

MS AUTHU MS AUTHU MS AUTHU 3/8/005 3G 39 3/8/005 3G 40 3/8/005 3G 4 3/8/005 3G 4 3/8/005 3G 43 3/8/005 3G 44

3/8/005 3G 45 3/8/005 3G 46 3/8/005 3G 47 保密模式过程3/8/005 3G 48 3/8/005 3G 49 3/8/005 3G 50

3/8/005 3G 5

CDMA CDMA 3/8/005 3G 3/8/005 3G 3/8/005 3G 3 3. 3/8/005 3G 4 3/8/005 3G 5 3/8/005 3G 6

3. Walsh Walsh W4 = { W4(), W4(), W4(3), W4(4) } = {,,,} W4 = { W4 (), W4 (), W4 (3), W4 (4)} = {,-,,-} 3 3 3 3 3 W4 = { W4 (), W4 (), W4 (3), W4 (4)} = {,,-,-} { } 4 4 4 4 4 4 4 4 4 4 W = W (), W (), W (3), W (4) = {,-,-,} 3/8/005 3G 7 3/8/005 3G 8 3/8/005 3G 9 H ( ) ( 0) = H = = 0 H = H r r H H H = H = = H H H H = H 4 = H H r H r H H H r 0 0 = 0 0 0 0 = = 0 0 0 0 0 0 0 [ ] n W r ( i) = H r n+, i+ n W r = H r [ ] n + r i= 0 W () iw () i = n m P P r 0 m = n m n 3/8/005 3G 0 3/8/005 3G 3/8/005 3G

W 0 ( ) r i W n r ( i) n 0 n ( m n m W r i) W r ( i) = W ( i) r Walsh-PN 3/8/005 3G 3 3/8/005 3G 4 3/8/005 3G 5 3/8/005 3G 6 3/8/005 3G 7 3/8/005 3G 8

3.3 PN R ( a τ ) T / R( τ) = lim PN( t τ) PN( t) dt T T + = T / ½ T / R( τ) = lim PN( t τ) PN( t) dt 0 T T + = T / τ 3/8/005 3G 9 3/8/005 3G 0 3/8/005 3G 3/8/005 3G 3/8/005 3G 3 3/8/005 3G 4

3/8/005 3G 5 n f x = c + c x + c x +... + c x n ( ) n an = c an can... cna 0 3/8/005 3G 6 3/8/005 3G 7 0 3/8/005 3G 8 3/8/005 3G 9 3/8/005 3G 30 n=5, C i =45( )m

D 3 n=5, C i =45 ( ),m n Φ( P) Φ( ) Jn = = n n Φ (P) Φ(X ) 3/8/005 3G 3 3/8/005 3G 3 3/8/005 3G 33 3.4 mm 3/8/005 3G 34 3/8/005 3G 35 3/8/005 3G 36

{ Xi} = 000 { } Xi = 000 000 3/8/005 3G 37 5n=4 0000000 3/8/005 3G 38 3/8/005 3G 39 T lim R ( τ) = f( t) f( t τ) dt = a T T 0 τ 0 τ = 0 T R ( τ ) = lim f ( t) g( t τ ) dt c T T R P a ( τ ) = xi xi+ τ i= ρ P a ( τ ) = xi xi+ τ P i= 3/8/005 3G 40 3/8/005 3G 4 3/8/005 3G 4

a k ( 0,) P Rc ( τ ) = xi yi+ τ i= P P b k (, ) Ra ( τ ) = bnbn+ τ ρ c ( τ ) = xi y n= i+ τ P i= P ρ a () τ = bnbn+ τ A D A D P n= ρ(τ ) = = A + D P 3/8/005 3G 43 3/8/005 3G 44 3/8/005 3G 45 3/8/005 3G 46 ( τ ) = A D R a Ra ( τ ) = A D A D ρ a ( τ ) = = A + D P P m : P τ = 0 τ 0 ρa ( τ ) = τ = 0 τ 0 P 3/8/005 3G 47 τ T c 3/8/005 3G 48 P Rc ( τ ) = bncn+ τ n= P ρ c ( τ ) = P n= b c n n+ τ

c ρ c R c ( τ ) ( τ ) = A D A D A D = = A + D P {x} {y} {y} m P=3 t T 3/8/005 3G 49 3/8/005 3G 50 3/8/005 3G 5 > 703 > 5673 > 047 > 4095 0.09 0.34 0.06 0.03 3.5 Gold 3/8/005 3G 5 3/8/005 3G 53 3/8/005 3G 54

Gold Gold 0 τ 6 τ = 0 { a n + b n 0 } = 00000 τ = { a + n + b n + } = 000 τ = { a n + b n } = 00000 τ = 3 { a + n + b n + 3 } = 000 τ = 4 { a n + b n + 4 } = 000 τ = 5 { a n + b n + 5 } = 0 m τ 6 { + 6 } = 00000 m a n b n = + 3/8/005 3G 55 3/8/005 3G 56 3/8/005 3G 57 Gold 3/8/005 3G 58 Gold 3/8/005 3G 59 n+ n [ + ]/( ) n 0 n+ n [ ]/( ) 3/8/005 3G 60 Gold n+ n [ ]/( ) n+ n [ + ]/( )

0 0 W 0 3 0 5 6 4 3 0 3 7 6 0 4 0 4 5 n Gold τ 0τ 0 R c ( ) τ 3.6 OVSF 3/8/005 3G 6 3/8/005 3G 6 3/8/005 3G 63 W W W 4 W 4 W 4 W 4 7 W 8 W 8 W 8 W 8 W 8 W 8 W 8 W 8 5 W 6 W 6 W 6 3 W 6 4 W 6 W 6 W 6 W 6 W 6 W 6 8 W 6 W 6 3/8/005 3G 64 3/8/005 3G 65 OVSF W 4 = 307. Kb 4 =. Mb s 88 s W 8 = 53.6 Kb 8 =. Mb s 88 s 3 W 6 = Mb 76.8 Kb 6 =. s 88 3/8/005 3G 66 s

3 W 4 W 6 W 8 4 8 3 W W W6 W 3 3 4 W8 = W4 W6 = W8 W6 = 0 () ci t = ai ( t nt ) < t < n= 3.7 3/8/005 3G 67 3/8/005 3G 68 3/8/005 3G 69 3/8/005 3G 70 3/8/005 3G 7 3/8/005 3G 7

3/8/005 3G 73 3/8/005 3G 74 3/8/005 3G 75 R( τ ) τ = 0 τ = T c τ < T c VCO = f + y( τ ) f 3/8/005 3G 76 3/8/005 3G 77 3/8/005 3G 78

T c Ra ( τ ) Tc 0 0 Tc Rb( τ ) T c T c Tc 0 Tc T c τ 3/8/005 3G 79 3/8/005 3G 80 3/8/005 3G 8 CDMA 3/8/005 3G 8 4. CDMA 3/8/005 3G 83 3/8/005 3G 84

0 0 0 4.. CDMA 5 m T c b (t) 00 T b y (t)=b (t)c (t) b( t) b() t T b c( t) T b T c T b c( t) y( t) T b 3/8/005 3G 85 y( t) 3/8/005 3G 86 ( t) = b ( t) c ( t) y 3/8/005 3G 87 b () t 3 3 () t = y j () t = b j () t c j () t y 3 j= j= c () t 3 y () t 3 z i 3 = () t A c ( t t ) b ( t t ) cos( ω t + ϕ ) i j j= i j i c i ( t) = b ( t) c ( t) y3 3 3 ( t) = y ( t) + y ( t) y ( t) y + 3 3/8/005 3G 88 3/8/005 3G 89 3/8/005 3G 90

0 0 0 3/8/005 3G 9 3/8/005 3G 9 3/8/005 3G 93 4..3 CDMA 4. CDMA T b T b T b 3/8/005 3G 94 3/8/005 3G 95 3/8/005 3G 96

4.. 3/8/005 3G 97 3/8/005 3G 98 3/8/005 3G 99 3/8/005 3G 00 4.. R P 3/8/005 3G 0 t 3/8/005 3G 0 t

3/8/005 3G 03 3/8/005 3G 04 3/8/005 3G 05 CDMA 3/8/005 3G 06 3/8/005 3G 07 3/8/005 3G 08

λ d ϕ d = 0.5λ d = 0.8λ 3/8/005 3G 09 3/8/005 3G 0 3/8/005 3G 3/8/005 3G 3/8/005 3G 3 3/8/005 3G 4

3 f F f F = L f F = = = 00KHz L 5µ s 3/8/005 3G 5 3/8/005 3G 6 3/8/005 3G 7 4 5 T = f ( v m ) λ T 40ms 6 3/8/005 3G 8 3/8/005 3G 9 3/8/005 3G 0

7 IS-95 95 Rake 3/8/005 3G 3/8/005 3G GPS s 9.6608 MHz PP s PP 80 ms CPU 3 4 3/8/005 3G 3 3 3/8/005 3G 4 3/8/005 3G 5 3/8/005 3G 6

M r() t = a r () t + ar () t +... + am rm () t = ak rk () t k = M SNRs = SNRm i= i SNRs k s = = SNR m M i= i 3/8/005 3G 7 3/8/005 3G 8 3/8/005 3G 9 r (t) r (t) r M (t) 3/8/005 3G 30 3/8/005 3G 3 3 M re = ri () t i= M M rk = ak rk () t = rk () t π k = N k = SNRE = SNR + ( M ) 4 SNR M SNR SNRE π R = k E = = + ( M ) SNR 4 SNRR K R = = M SNR 3/8/005 3G 3

4..3 4..4 3/8/005 3G 33 3/8/005 3G 34 3/8/005 3G 35 f m f s >f m σ ( ρ ) R( D) = log D PCMf m =3400Hzf s =8k/s8Bit 56 64kb/s ADPCM M 3/8/005 3G 36 3/8/005 3G 37 3/8/005 3G 38

0 ( ) s I = log 56 = 80b / 0 I = log 8 = 70b / ( ) s 3/8/005 3G 39 3/8/005 3G 40 3/8/005 3G 4 3 64kb / s k = 94 ~ 800 70 ~ 80b / s 3/8/005 3G 4 3/8/005 3G 43 3/8/005 3G 44

PCM ITU O FR EFR HR 3/8/005 3G 45 3/8/005 3G 46 3/8/005 3G 47 4 3/8/005 3G 48 3/8/005 3G 49 3/8/005 3G 50

Turbo Turbo Turbo d k 3/8/005 3G 5 3/8/005 3G 5 3/8/005 3G 53 4..5 y H ( 0) = W X W = [W, W, W n ] T 3/8/005 3G 54 3/8/005 3G 55 3/8/005 3G 56

4..6 CDMA 3/8/005 3G 57 3/8/005 3G 58 3/8/005 3G 59 GSM 3/8/005 3G 60 3/8/005 3G 6 3/8/005 3G 6

(a)(b) MSC c 3/8/005 3G 63 3/8/005 3G 64 3/8/005 3G 65 BSC 3/8/005 3G 66 3/8/005 3G 67 3/8/005 3G 68

4.3 3/8/005 3G 69 3/8/005 3G 70 3/8/005 3G 7 IS 95A IS 95A GSM M W N = = m mb 3/8/005 3G 7 3/8/005 3G 73 3/8/005 3G 74

3/8/005 3G 75 C = I n E C b Rb Eb I = = 0 I I W 0W Rb W Rb 3/8/005 3G 76 n = + E b I 3/8/005 3G 0 77 W W R b R b G n = + n = + Eb d Eb d I 0 I 0 3/8/005 3G 78 3/8/005 3G 79 3/8/005 3G 80

W R b GF n = + Eb d I 0 3/8/005 3G 8 3/8/005 3G 8 3/8/005 3G 83 CDMA FDMATDMA 6.5 0 3 = 50 ( 5 0 ) n = 50 = 7.( ch / cell) 7 CDMA FDMATDMA 6.5 0 8 3 = 50 ( 00 0 ) n = 50 = 6.7 ch / cell 3 ( ) 3/8/005 3G 84 3/8/005 3G 85 3/8/005 3G 86

DMA FDMATDMA 6.88 0 3 9.6 0.55 0.6 n = + = 4 ch / cell 6 0.35 3/8/005 3G 87 ( ) ( ) 3/8/005 3G 88 CDMA FDMATDMA 6 ncdma = 0 nfdma = 8. 4nTDMA.775 0 3 = 7 ( 5 0 ) 3/8/005 3G 89 n = 7 = 7.775 5.7 ch / cell / MHz ( ) DMA FDMATDMA 3/8/005 3G 90 6.775 0 8 00 0 3 ( ) = 7 ( ) n = 7 3.3 ch / cell / MHz 3.775 = CDMA FDMATDMA ( ) ( ) 6.88 0 3 9.6 0.55 0.6 n = + = 70.6 ch / cell / MHz 6.5 0.35.775 3/8/005 3G 9 3/8/005 3G 9 n =.4n = 5. 3n CDMA FDMA TDMA

CDMA - - - - n A / n! B = 00% n i A /! i t= 0 3/8/005 3G 93 3/8/005 3G 94 3/8/005 3G 95 - - - - t m a = T a T t T m T e.g. T = t =3 m =a =0.05Erl 3/8/005 3G 96 3/8/005 3G 97

CDMA CDMA 3/9/005 3G 3/9/005 3G 3/9/005 3G 3 5. IS-95 3/9/005 3G 4 3/9/005 3G 5 3/9/005 3G 6

3/9/005 3G 7 MTS IS-95 95 QCDMA IS-95 95 QCDMA 3/9/005 3G 8 3/9/005 3G 9 S-95 QCDMA IS-95 95 QCDMA 5. 3/9/005 3G 0 3/9/005 3G 3/9/005 3G

3/9/005 3G 3 CDMA CDMA 3/9/005 3G 4 CDMA CDMA 3/9/005 3G 5 CDMA CDMA 3/9/005 3G 6 5. 5. 3/9/005 3G 7 3/9/005 3G 8 A B

N IS-95 95 800MHz CDMA A 83 B 384 f mobile = f base = 0.030N + 85.000 MHz ( N 799) 0.030( N 03) + 85.000 MHz(990 N 03) 0.030N + 870.00 MHz( N 799) 0.030( N 03) + 870.000 MHz(990 N 03) 689 ƒ base 890.670MHz ƒ mobile 845.670MHz 3/9/005 3G 9 3/9/005 3G 0 3/9/005 3G 800MHz CDMA 85.03MHz 85.06MHz 37 86.MHz 78 87.34MHz 9 88.57MHz 60 89.80MHz 0 83.03MHz 4 83.6MHz 83 833.49MHz 33 834.39MHz 333 834.99MHz CDMA AMPS 800MHz CDMA 3, 60 4 83AMPS 33333 AMPS 83 CDMA 3/9/005 3G 3/9/005 3G 3 3/9/005 3G 4

5. 5. 3/9/005 3G 5 3/9/005 3G 6 3/9/005 3G 7 5..5 CDMA 3/9/005 3G 8 3/9/005 3G 9 3/9/005 3G 30

5. 5..6 3/9/005 3G 3 3/9/005 3G 3 3/9/005 3G 33 IS-95 MS HLR BSS AUC MSS EIR BTS PSTN BSC ISDN MSC PDN 3/9/005 OMC 3G VLR 34 3/9/005 3G 35 3/9/005 3G 36

3/9/005 3G 37 3/9/005 3G 38 3/9/005 3G 39 3/9/005 3G 40 3/9/005 3G 4 3/9/005 3G 4

No.7 5. 5..7 CDMA 3/9/005 3G 43 3/9/005 3G 44 3/9/005 3G 45 3/9/005 3G 46 3/9/005 3G 47 3/9/005 3G 48

3/9/005 3G 49 3/9/005 3G 50 3/9/005 3G 5 5. 3/9/005 3G 5 3/9/005 3G 53 3/9/005 3G 54

5..8 CDMA DN 3/9/005 3G 55 3/9/005 3G 56 3/9/005 3G 57 IMSI IMSI 3/9/005 3G 58 3/9/005 3G 59 3/9/005 3G 60

TLDN ESN 3/9/005 3G 6 3/9/005 3G 6 3/9/005 3G 63 SID NID REG_ZONE BSID 3/9/005 3G 64 3/9/005 3G 65 3/9/005 3G 66

GT 5. 3/9/005 3G 67 3/9/005 3G 68 3/9/005 3G 69 5..9 5. IS-95 CDMA 3/9/005 3G 70 3/9/005 3G 7 3/9/005 3G 7

5. IS-95 CDMA 5.. CDMA 3/9/005 3G 73 3/9/005 3G 74 3/9/005 3G 75 PN 3/9/005 3G 76 3/9/005 3G 77 3/9/005 3G 78

3/9/005 3G 79 5. IS-95 CDMA 3/9/005 3G 80 5.. 3/9/005 3G 8 3/9/005 3G 8 3/9/005 3G 83 3/9/005 3G 84

St () = It ()cos ω t+ Qt ()sinωt 0 0 = cos( ω0t θ( t)) Qt () It ( ) = cos θ( t), Qt ( ) = sin θ( t); θ( t) = arctan It () It Qt QPSK St t π π π θ( t) = I ( t) = Q( t) = S( t) = cos( ω0 t ) 4 4 4 3π 3π 3π θ() t = I() t = Q() t = S() t = cos( ω0 t ) 4 4 4 3π 3π 3π 4 3θ() t = I() t = Q() t = S () t = cos( ω0t+ ) π 4 4 4 π π 4θ() t = I() t = Q() t = S () t = cos( ω0 t+ ) 4 4 3/9/005 3G 85 3/9/005 3G 86 3/9/005 3G 87 (,0) Q (0,0) (I,Q) π 4 (,) (0,) I 5. IS-95 CDMA 5..3 3/9/005 3G 88 3/9/005 3G 89 3/9/005 3G 90

() () () () 3/9/005 3G 9 3/9/005 3G 9 3/9/005 3G 93 正向信道卷积编码器3/9/005 3G 95 3/9/005 3G 94 3/9/005 3G 96

5. IS-95 CDMA 5..4 3/9/005 3G 97 3/9/005 3G 98 3/9/005 3G 99 t ( ) mod048 4 3/9/005 3G 00 3/9/005 3G 0 3/9/005 3G 0

3 5 37 49 6 73 85 97 09 33 45 57 69 8 3 5 37 49 6 73 85 97 09 33 45 57 69 8 5 3 7 6 4 8 5 3 7 6 4 8 33 37 35 39 34 38 36 40 33 37 35 39 34 38 36 40 4 6 38 50 6 74 86 98 0 34 46 58 70 8 4 6 38 50 6 74 86 98 0 34 46 58 70 8 3 5 7 39 5 63 75 87 99 3 35 47 59 7 83 3 5 7 39 5 63 75 87 99 3 35 47 59 7 83 4 6 8 40 5 64 76 88 00 4 36 48 60 7 84 4 6 8 40 5 64 76 88 00 4 36 48 60 7 84 5 7 9 4 53 65 77 89 0 3 5 37 49 6 73 85 5 7 9 4 53 65 77 89 0 3 5 37 49 6 73 85 6 8 30 4 54 66 78 90 0 4 6 38 50 6 74 86 6 8 30 4 54 66 78 90 0 4 6 38 50 6 74 86 7 9 3 43 55 67 79 9 03 5 7 39 5 63 75 87 7 9 3 43 55 67 79 9 03 5 7 39 5 63 75 87 8 0 3 44 56 68 80 9 04 6 8 40 5 64 76 88 8 0 3 44 56 68 80 9 04 6 8 40 5 64 76 88 97 0 99 03 98 0 00 04 65 69 67 7 66 70 68 7 65 69 67 7 66 70 68 7 9 33 3 35 30 34 3 36 9 33 3 35 30 34 3 36 6 65 63 67 6 66 64 68 97 0 99 03 98 0 00 04 6 65 63 67 6 66 64 68 7 9 3 8 0 4 7 9 3 8 0 4 49 53 5 55 50 54 5 56 49 53 5 55 50 54 5 56 8 85 83 87 8 86 84 88 8 85 83 87 8 86 84 88 3 7 5 9 4 8 6 0 3 7 5 9 4 8 6 0 45 49 47 5 46 50 48 5 45 49 47 5 46 50 48 5 77 8 79 83 78 8 80 84 77 8 79 83 78 8 80 84 9 3 5 0 4 6 9 3 5 0 4 6 4 45 43 47 4 46 44 48 4 45 43 47 4 46 44 48 73 77 75 79 74 78 76 80 73 77 75 79 74 78 76 80 05 09 07 06 0 08 05 09 07 06 0 08 9 33 45 57 69 8 93 05 7 9 4 53 65 77 89 9 33 45 57 69 8 93 05 7 9 4 53 65 77 89 0 34 46 58 70 8 94 06 8 30 4 54 66 78 90 0 34 46 58 70 8 94 06 8 30 4 54 66 78 90 3 35 47 59 7 83 95 07 9 3 43 55 67 79 9 3 35 47 59 7 83 95 07 9 3 43 55 67 79 9 4 36 48 60 7 84 96 08 0 3 44 56 68 80 9 TIA / EIA / IS- 954.8kb/s 4 36 48 60 7 84 96 08 0 3 44 56 68 80 9 3/9/005 3G 03 37 4 39 43 38 4 40 44 37 4 39 43 38 4 40 44 69 73 7 75 70 74 7 76 69 73 7 75 70 74 7 76 5 9 7 3 6 30 8 3 5 9 7 3 6 30 8 3 57 6 59 63 58 6 60 64 57 6 59 63 58 6 60 64 89 93 9 95 90 94 9 96 89 93 9 95 90 94 9 96 5 3 7 6 4 8 5 3 7 6 4 8 53 57 55 59 54 58 56 60 53 57 55 59 54 58 56 60 TIA / EIA / IS- 95 4.8kb/s 85 89 87 9 86 90 88 9 85 89 87 9 86 90 88 9 3/9/005 3G 04 TIA / EIA / IS- 959.6 kb/s 3/9/005 3G 05 x 4 x 4 x 40 MSB x 39 TIA / EIA / IS- 959.6kb/s 3/9/005 3G 06 x 0 x 9 x 8 x 7 x 6 P( X) = + X + X + X + X + X + X + X + X + X + X + X + X + X + X + X + X + X + X + X + X 3 5 6 7 0 6 7 8 9 3 33 35 5 6 7 4 3/9/005 3G 07 x 5 x 4 x 3 x x LSB 3/9/005 4 3G 08

3/9/005 3G 09 3/9/005 3G 0 3/9/005 3G 5. IS-95 CDMA 3/9/005 3G 5..5 3/9/005 3G 3 3/9/005 3G 4

CRC 3/9/005 3G 5 3/9/005 3G 6 3/9/005 3G 7 TIA / EIA / IS-95,.4kb/s 3/9/005 3G 8 3/9/005 3G 9 3/9/005 3G 0

TIA / EIA / IS-95,.4kb/s TIA / EIA / IS-95,.kb/s TIA / EIA / IS-95,.kb/s 3/9/005 3G 3/9/005 3G 3/9/005 3G 3 3/9/005 3G 4 3/9/005 3G 5 3/9/005 3G 6

0ms 7 MM 0 7 8.6kb/s 3/9/005 3G 7 3/9/005 3G 8 3/9/005 3G 9 3/9/005 3G 30 3/9/005 3G 3 9.6kb/s / 4.8kb/s /4.4kb/s /8.kb/s MM 9 (0ms) 80 7 96 (0ms) 48 (0ms) 40 4 (0ms) 6 8 F T 8 8 F T 3/9/005 3G 3 8 T 8 T F (CRC) T MM MM=0 MM=

3/9/005 3G 33 3/9/005 3G 34 3/9/005 3G 35 5. IS-95 CDMA 5..6 3/9/005 3G 36 3/9/005 3G 37 3/9/005 3G 38

() () (3) 3/9/005 3G 39 3/9/005 3G 40 3/9/005 3G 4 38 54 70 86 0 8 34 50 66 8 98 4 30 46 6 78 38 54 70 86 0 8 34 50 66 8 98 4 30 46 6 78 3 39 55 7 87 03 9 35 5 67 83 99 5 3 47 63 79 3 39 55 7 87 03 9 35 5 67 83 99 5 3 47 63 79 4 40 56 7 88 04 0 36 5 68 84 00 6 3 48 64 80 4 40 56 7 88 04 0 36 5 68 84 00 6 3 48 64 80 5 4 57 73 89 05 37 53 69 85 0 7 33 49 65 8 5 4 57 73 89 05 37 53 69 85 0 7 33 49 65 8 0 6 4 58 74 90 06 38 54 70 86 0 8 34 50 66 8 0 6 4 58 74 90 06 38 54 70 86 0 8 34 50 66 8 7 43 59 75 9 07 3 39 55 7 87 03 9 35 5 67 83 7 43 59 75 9 07 3 39 55 7 87 03 9 35 5 67 83 8 44 60 76 9 08 4 40 56 7 88 04 0 36 5 68 84 8 44 60 76 9 08 4 40 56 7 88 04 0 36 5 68 84 3 9 45 6 77 93 09 5 4 57 73 89 05 37 53 69 85 3 9 45 6 77 93 09 5 4 57 73 89 05 37 53 69 85 4 30 46 6 78 94 0 6 4 58 74 90 06 38 54 70 86 4 30 46 6 78 94 0 6 4 58 74 90 06 38 54 70 86 5 30 47 63 79 95 7 43 59 75 9 07 3 39 55 7 87 5 30 47 63 79 95 7 43 59 75 9 07 3 39 55 7 87 6 3 48 64 80 96 8 44 60 76 9 08 4 40 56 7 88 TIA / EIA / IS-95,4.8kb/s 6 3 48 64 80 96 8 44 60 76 9 08 4 40 56 7 88 3/9/005 3G 4 3/9/005 3G 43 3/9/005 3G 44

3/9/005 3G 45 3/9/005 3G 46 3/9/005 3G 47 OQPSK 3/9/005 3G 48 3/9/005 3G 49 3/9/005 3G 50

3/9/005 3G 5 Q (,0) (0,0) I (,) (0,) 3/9/005 3G 5 3/9/005 3G 53 5. IS-95 CDMA 5..7 3/9/005 3G 54 3/9/005 3G 55 3/9/005 3G 56

3/9/005 3G 57 3/9/005 3G 58 3/9/005 3G 59 3/9/005 3G 60 3/9/005 3G 6 3/9/005 3G 6

3/9/005 3G 63 3/9/005 3G 64