Tài liệu Adaptive WCDMA (P4) doc

... +  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: ... detected data bearing symbols x i (i < k). This scheme will be referred to as decision feedback adaptive linear predictor (DFALP). Using a standard linear prediction approach...

Ngày tải lên: 24/12/2013, 01:17

... any of these adaptive modulation methods. ADAPTIVE COMMUNICATIONS AND THE BOOK LAYOUT 9 continuously monitor these conditions and update the capacity threshold for access con- trol. Adaptive algorithms ... check, which introduces additional redundancy. Adaptive coding, modulation and power control While adaptive modulation (with coded or uncoded signal) and adaptive coding describ...

Ngày tải lên: 14/12/2013, 14:15

... 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: ... estimator for BPSK phase. 146 MODULATION AND DEMODULATION 11. Kobayashi, H. (1971) Simultaneous adaptive estimation and decision algorithm for carrier modulated data transmission system...

Ngày tải lên: 24/12/2013, 01:18

... thus not required to be adaptive to channel conditions. Also, channel coding can benefit from the fed back channel state values. For example, the code rate can be changed adaptively as a function ... 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 differen...

Ngày tải lên: 24/12/2013, 01:18

... 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 Personal ... 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 Person...

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: ... calculating Erlang capacities. There is an additional soft capacity in WCDMA if also the number of users in the neighboring cells is smaller. WCDMA soft capacity is defined as the increase o...

Ngày tải lên: 24/12/2013, 01:18

... data packet delay D D versus the number of users in a cell. 10.6 ADAPTIVE TRAFFIC ADMISSION BASED ON KALMAN FILTER A framework for adaptive connection admission in the uplink direction is again ... who transmit and a V = (W/R V γ V + 1) a D = (W/R D γ D + 1) (10.19) ADAPTIVE TRAFFIC ADMISSION BASED ON KALMAN FILTER 341 3. Global adaptive strategy (GS ): A new connection is accepted if...

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: ... SYSTEMS 375 the mobile, the average number of Class 2 users expected and so on. Once C is known, an adaptive τ is simply given by τ = (C/N 2 ) where, as be...

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 ... traffic System throughput Fixed perfect-ctrl system Adaptive perfect-ctrl Fixed bad-BER = 5e − 4 Adaptive bad-BER = 5e − 4 Fixed bad-BER = 1e − 3 Adaptive bad-BER = 1e − 3...

Ngày tải lên: 21/01/2014, 07:20

... Griffiths’ algorithm C – blind adaptive MOE D – adaptive LMMSE-RAKE D A B C Figure 14.16 Excess mean squared error as a function of the number of iterations for different blind adaptive receivers in a ... Griffiths’ algorithm C – blind adaptive MOE D – adaptive LMMSE-RAKE Figure 14.14 Excess mean squared error as a function of the number of iterations for different blind adaptive...

Ngày tải lên: 21/01/2014, 07:20