The Effect of Decision Delay in MMSE-THP Systems

Authors:
Wen Zhou
Affiliations:
Department of Electronic Engineering, Shantou University, Guangdong Province, People's Republic of China and State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, People' ...
Venue:
Wireless Personal Communications: An International Journal
Year:
2014

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Abstract

In this paper, the effect of decision delay in minimum mean square error Tomlinson-Harashima precoding systems is investigated. The optimal decision delays are partly solved under three cases that are divided by comparing the feedback filter order with channel order. The mean square error and the bit error rate of the system under different decision delays have been thoroughly examined. Simulation results verify the validity of the derived optimal decision delay.