Performance of joint MMSE-THP/Pre-FDE for single-carrier transmissions in a frequency-selective channel

Authors:
Kazuki Takeda;Fumiyuki Adachi
Affiliations:
Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University, Sendai, Japan;Dept. of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University, Sendai, Japan
Venue:
APCC'09 Proceedings of the 15th Asia-Pacific conference on Communications
Year:
2009

Citing 3
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Abstract

The bit error rate (BER) performance improvement of single-carrier signal transmissions using one-tap frequency-domain pre-equalization (pre-FDE) is limited by the residual inter-symbol interference (ISI). Recently, we proposed a joint Tomlinson-Harashima precoding (THP) and pre-FDE (called joint THP/pre-FDE) to improve the BER performance by removing the residual ISI. In this paper, to further improve the BER performance, we optimize THP based on the minimum mean square error (MMSE) criterion and propose a joint MMSE-THP/pre-FDE. The achievable BER and throughput are evaluated by computer simulation.