Please use this identifier to cite or link to this item: https://doi.org/10.1109/TWC.2005.858002
Title: An adaptive coherent receiver for MPSK/MDPSK over the nonselective rayleigh fading channel with unknown characteristics
Authors: Tan, H.
Ho, P.
Kam, P.Y. 
Shan, C.
Keywords: Adaptive receiver
Channel estimation
Diversity
Fading
Forgetting factor
MPSK/MDPSK
Recursive least squares adaptation
Shadowing
Issue Date: Nov-2005
Source: Tan, H.,Ho, P.,Kam, P.Y.,Shan, C. (2005-11). An adaptive coherent receiver for MPSK/MDPSK over the nonselective rayleigh fading channel with unknown characteristics. IEEE Transactions on Wireless Communications 4 (6) : 2621-2628. ScholarBank@NUS Repository. https://doi.org/10.1109/TWC.2005.858002
Abstract: A coherent symbol-by-symbol (SBS) diversity receiver for m-ary phase-shift keying (MPSK) and differentially encoded MPSK (MDPSK) signals transmitted over a nonselective Rayleigh fading channel is presented. It incorporates a new adaptive filter for channel estimation that does not require any prior knowledge of the fading process model. It estimates the fading gains through decision-feedback and recursive least squares adaptation of the filter coefficients. A novel forgetting-factor adaptation algorithm that enables the filter to react quickly to randomly changing fading statistics caused by shadowing and acceleration/deceleration is introduced. Simulations show that the receiver performs better than that of Adachi's ( IEEE Trans. Veh. Technol. vol. 47 p. 909, 1998), either without shadowing or under slow lognormal shadowing. © 2005 IEEE.
Source Title: IEEE Transactions on Wireless Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/54979
ISSN: 15361276
DOI: 10.1109/TWC.2005.858002
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