Title :
Analysis of channel capacity of M-ary DPSK and D2PSK with time-selective Rician fading
Author :
Qu, Shouxing ; Sheikh, A.U.
Author_Institution :
Dept. of Syst. & Comput. Eng., Carleton Univ., Ottawa, Ont., Canada
Abstract :
Channel capacities of M-ary differential phase shift keying (DPSK) and M-ary adjacent D2PSK on the time-selective Rician fading channels are analyzed, using the probability distribution factors (PDF´s) of the first-order and second-order phase errors in the output of the detectors. The analyses are carried out for the systems with hard decision and soft decision. It is found that in terms of channel capacities for both DPSK and D2PSK with soft decision and M⇒∞, the penalty for the slow Rayleigh fading channel compared with the AWGN channel is about 4.8 dB for a high SNR
Keywords :
Gaussian noise; Rayleigh channels; Rician channels; channel capacity; differential phase shift keying; fading; white noise; AWGN channel; D2PSK; DPSK; M-ary adjacent D2PSK; M-ary differential phase shift keying; SNR; channel capacity; hard decision; phase errors; probability distribution factors; slow Rayleigh fading channel; soft decision; time-selective Rician fading channels; AWGN channels; Channel capacity; Detectors; Differential phase shift keying; Differential quadrature phase shift keying; Fading; Phase detection; Phase shift keying; Probability distribution; Rician channels;
Conference_Titel :
Vehicular Technology Conference, 1993., 43rd IEEE
Conference_Location :
Secaucus, NJ
Print_ISBN :
0-7803-1267-8
DOI :
10.1109/VETEC.1993.507002
