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MMSE-NP-RISIC-Based Channel Equalization for MIMO-SC-FDE Troposcatter Communication Systems

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  • Zedong Xie
  • Xihong Chen
  • Xiaopeng Liu
  • Yu Zhao

Abstract

The impact of intersymbol interference (ISI) on single-carrier frequency-domain equalization with multiple input multiple output (MIMO-SC-FDE) troposcatter communication systems is severe. Most of the channel equalization methods fail to solve it completely. In this paper, given the disadvantages of the noise-predictive (NP) MMSE-based and the residual intersymbol interference cancellation (RISIC) equalization in the single input single output (SISO) system, we focus on the combination of both equalization schemes mentioned above. After extending both of them into MIMO system for the first time, we introduce a novel MMSE-NP-RISIC equalization method for MIMO-SC-FDE troposcatter communication systems. Analysis and simulation results validate the performance of the proposed method in time-varying frequency-selective troposcatter channel at an acceptable computational complexity cost.

Suggested Citation

  • Zedong Xie & Xihong Chen & Xiaopeng Liu & Yu Zhao, 2016. "MMSE-NP-RISIC-Based Channel Equalization for MIMO-SC-FDE Troposcatter Communication Systems," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-9, September.
    • Handle: RePEc:hin:jnlmpe:5158406
    DOI: 10.1155/2016/5158406
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