Tài liệu Adaptive WCDMA (P15) doc

... important research topic aiming to find feasible solutions for practical MUD applications. The Adaptive WCDMA: Theory And Practice. Savo G. Glisic Copyright ¶ 2003 John Wiley & Sons, Ltd. ISBN: ... accepted for civil applications in mobile communication systems (e.g. Standards ANSI-95, IS-665, WCDMA UMTS). For large bit rates, DS system will have low pro- cessing gain and performance...

Ngày tải lên: 21/01/2014, 07:20

... these adaptive modulation methods. 6 FUNDAMENTALS Adaptive coding scheme Efficient error control on time-varying channels can be performed, independent of modulation, by implementing an adaptive ... check, which introduces additional redundancy. Adaptive coding, modulation and power control While adaptive modulation (with coded or uncoded signal) and adaptive coding described earli...

Ngày tải lên: 14/12/2013, 14:15

... +  2  T c  (4.4) The tracking error variance can be expressed as [1] τ 2 δ 1 2ρ L  1 + 2 ρ if  (4.5) Adaptive WCDMA: Theory And Practice. Savo G. Glisic Copyright ¶ 2003 John Wiley & Sons, Ltd. ISBN: ... Receiver block diagram: (a) generic block diagram of Rake receiver and (b) The decision feedback adaptive linear predictor (ALP) algorithm for tracking a complex multipath coeffi...

Ngày tải lên: 24/12/2013, 01:17

... channel as p(n, ˜τ)=  ∞ −∞ r(t)h(t − nT −˜τ)dt q(n, ˜τ,ε)=  ∞ −∞ r(t)h(t − nT − εT −˜τ)dt (5.6) Adaptive WCDMA: Theory And Practice. Savo G. Glisic Copyright ¶ 2003 John Wiley & Sons, Ltd. ISBN: ... Commun., COM-30, 2228–2241. 146 MODULATION AND DEMODULATION 11. Kobayashi, H. (1971) Simultaneous adaptive estimation and decision algorithm for carrier modulated data transmission syst...

Ngày tải lên: 24/12/2013, 01:18

... S. (1994) Adaptive trellis-coded multiple-phase-shift keying for Rayleigh fading channels. IEEE Trans. Commun., 42(6), 2305–2314. 73. Kousa, M. A. and Turner, L. F. (1993) Multichannel adaptive ... rate adaptive channel coding for Rayleigh fading channels. IEEE Trans. Commun., 47(9), 1345–1356. 92. Alouini, M S. and Goldsmith, A. (1999) Capacity of Rayleigh fading channels under differe...

Ngày tải lên: 24/12/2013, 01:18

... G −1 (E b /N 0 ) R  n−1  i=1 α i  =  (E b /N 0 ) −1 R + G −1  n−1  i=1 α i  −1 (8.3) Adaptive WCDMA: Theory And Practice. Savo G. Glisic Copyright ¶ 2003 John Wiley & Sons, Ltd. ISBN: ... from Yoshida, S. and Ushirokawa, A. Capacity evaluation of CDMA-AIC: CDMA cellular system with adaptive interference cancellation. 1995 Fourth IEEE International Conference on Universal Pers...

Ngày tải lên: 24/12/2013, 01:18

... based on the specified E b /I 0 C I =  E b I 0  ·  R b B  · η ⇔ E b I 0 = G · C Iη (9.1) Adaptive WCDMA: Theory And Practice. Savo G. Glisic Copyright ¶ 2003 John Wiley & Sons, Ltd. ISBN: ... Reproduced from Holma, H. and Toskala, A. (2000) WCDMA for UMTS. New York: John Wiley & Sons, by permission of IEEE. SPECTRAL EFFICIENCY OF WCDMA 289 capacity improvement is smaller tha...

Ngày tải lên: 24/12/2013, 01:18

... user that can be represented as W R i h i P i  j=i h j P j + η 0 W ≥ γ i i = 1, ,N (10.2) Adaptive WCDMA: Theory And Practice. Savo G. Glisic Copyright ¶ 2003 John Wiley & Sons, Ltd. ISBN:

Ngày tải lên: 24/12/2013, 01:18

... 1  + N 2  j=1 1  W R (2) i · 1 SIR (2) i + 1  < 1 − IW min i  P peak i h i  W R i · SIR i + 1  N 1 +N 2 i=1 (11.1) Adaptive WCDMA: Theory And Practice. Savo G. Glisic Copyright ¶ 2003 John Wiley & Sons, Ltd. ISBN: ... More details are given in Figures 11.17 to 11.19. The issue of multimedia packet transmission in WCDMA will be addressed in much more detail in Section 11....

Ngày tải lên: 21/01/2014, 07:20

... throughput Fixed T = 40 ms, uniform DfD Adaptive T (A1), uniform DfD Adaptive T (A2), uniform DfD Fixed T = 40 ms, exponential DfD Adaptive T (A1), exponential DfD Adaptive T (A2), exponential ... delay Fixed T = 40 ms, uniform DfD Adaptive T (A1), uniform DfD Adaptive T (A2), uniform DfD Fixed T = 40 ms, exponential DfD Adaptive T (A1), exponential DfD Ad...

Ngày tải lên: 21/01/2014, 07:20