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Comparison of precoding methods for broadband MIMO systems

Alhanafy, W.E.A.E. and Weiss, S. (2009) Comparison of precoding methods for broadband MIMO systems. In: IEEE 3rd International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMPSAP 09, 2009-12-13 - 2009-12-16.

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Abstract

In this paper we investigate non-linear precoding solutions for the problem of broadband multiple-input multipleoutput (MIMO) systems. Based on a broadband singular value decomposition (BSVD) we can decouple a broadband MIMO channel into independent dispersive spectrally majorised singleinput single-output (SISO) subchannels. Bit loading is proposed to optimally utilise these SISO subchannels after mitigating their individual inter-symbol-interference (ISI) using Tomlinson- Harashima precoding (THP). This method is benchmarked against recent results of both MMSE linear and THP designed for frequency-selective MIMO channels. Simulation results show that better bit-error-ratio (BER) can be achieved especially for higher throughput targets when compared to the benchmark

Item type: Conference or Workshop Item (Paper)
ID code: 14939
Keywords: precoding methods, broadband MIMO systems, broadband, adaptive processing, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Depositing user: Strathprints Administrator
Date deposited: 21 Apr 2011 04:16
Last modified: 10 Jun 2018 23:14
URI: https://strathprints.strath.ac.uk/id/eprint/14939
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