Transceiver design for dispersive MIMO channels with decision feedback

Wan-Jen Huang; Xiaoli Yu; C.-C. Jay Kuo

doi:10.1117/12.604237

2 June 2005 Transceiver design for dispersive MIMO channels with decision feedback

Wan-Jen Huang, Xiaoli Yu, C.-C. Jay Kuo

Proceedings Volume 5819, Digital Wireless Communications VII and Space Communication Technologies; (2005) https://doi.org/10.1117/12.604237
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

A finite impulse response (FIR) precoder for the multi-input multi-output (MIMO) channel is proposed to eliminate the intersymbol interference (ISI) effect in this research. Two precoders are designed to maximize the signal to noise ratio (SNR) and the signal to interference plus noise ratio (SINR), respectively. At the receiver end, a finite-length MIMO decision feedback equalizer is adopted to minimize the mean squared error (MSE) of the overall system. It is observed that the SINR-maximizing precoder performs the best among all precoders under our examination. For the 2x2 MIMO channel, the simple one-tap SNR-maximizing precoder can perform almost as well. For a heavily dispersive channel, the SINR-maximizing precoder still performs well even its length is much smaller than the channel length.

Citation Download Citation

Wan-Jen Huang, Xiaoli Yu, and C.-C. Jay Kuo "Transceiver design for dispersive MIMO channels with decision feedback", Proc. SPIE 5819, Digital Wireless Communications VII and Space Communication Technologies, (2 June 2005); https://doi.org/10.1117/12.604237

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