Title :
Performance analysis of DAPSK over general fading channels
Author :
Ma, Yao ; Zhang, Q.T. ; Schober, R. ; Pasupathy, S.
Author_Institution :
Dept. of ECpE, Iowa State Univ., IN, USA
Abstract :
The performance of differential amplitude and phase-shift keying (DAPSK) with post-detection diversity combining over general fading channels is of great theoretical interest and practical importance. Hence, a general and accurate performance analysis is very useful. In this paper, we analyze the distribution of the phase and amplitude decision variable at the DAPSK receiver output by using the moment generating function (MGF) approach. Exact results for the error probability of DAPSK on general Rician and Nakagami fading channels are derived, taking into account the effects of all system and fading channel parameters including correlated signal branches and correlated noise. By using our analytical results, the effects of the ring ratio and the amplitude decision boundary, etc., on the DAPSK performance are investigated, and some new findings are presented.
Keywords :
amplitude shift keying; differential phase shift keying; diversity reception; error statistics; fading channels; DAPSK; Nakagami fading channels; Rician fading channels; amplitude decision variable; correlated noise; correlated signal branches; differential amplitude and phase-shift keying; error probability; fading channel parameters; fading channels; moment generating function; phase decision variable; post-detection diversity; Amplitude modulation; Cities and towns; Diversity reception; Error probability; Fading; Performance analysis; Phase detection; Phase modulation; Phase shift keying; Rician channels;
Conference_Titel :
Communications, 2003. ICC '03. IEEE International Conference on
Print_ISBN :
0-7803-7802-4
DOI :
10.1109/ICC.2003.1204120
