多径衰落信道中空时格码的最优接收

2002 International Zurich Seminar on Broadband Communications Access - Transmission - Networking (Cat. No.02TH8599) Pub Date : 2002-08-07 DOI:10.1109/IZSBC.2002.991786

Ping Luo, Yongliang Guan

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引用次数: 9

摘要

空时编码(STC)是一种很有前途的提高无线通信信道容量的技术。当STC应用于非均衡多径衰落信道时，由于码间干扰(ISI)的存在，产生了不可约的误差层。提出了多径衰落信道下STC的最佳接收方案。分析了该最优接收机的译码复杂度。推导了误差概率的上界，并给出了仿真结果。与平坦衰落信道中的STC系统相比，配置最优接收机的STC系统可以在多径衰落信道中实现额外的编码分集。

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Optimum receiver for space-time trellis code in multipath fading channel

Space-time coding (STC) is a promising technique to improve the capacity of the wireless communications channel. When STC is used in an unequalized multipath fading channel, it presents an irreducible error floor due to the intersymbol interference (ISI). Optimum receivers for STC in multipath fading channels are proposed in this paper. The decoding complexity of this optimum receiver is analyzed. The upper bound of the pairwise error probability is derived and simulation results are presented. Compare to the STC system in a flat fading channel, the STC system equipped with an optimum receiver can achieve additional coding diversity in a multipath fading channel.

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2002 International Zurich Seminar on Broadband Communications Access - Transmission - Networking (Cat. No.02TH8599)

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