衰落ISI信道的调制分集:性能分析和编码设计

2002 International Zurich Seminar on Broadband Communications Access - Transmission - Networking (Cat. No.02TH8599) Pub Date : 2002-08-07 DOI:10.1109/IZSBC.2002.991785

R. Schober, L. Lampe, W. Gerstacker, S. Pasupathy

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引用次数: 1

摘要

本文提出了瑞利衰落码间干扰信道的调制分集算法。特别地，分析了用模组码可以实现的性能，并从模组码的成对误差概率上界推导出模组码的设计准则。该设计规则类似于众所周知的MD码平坦衰落的设计规则，并且不依赖于衰落信道的功率延迟分布。给出了具有规定性质的MD码的几个实例并进行了比较。仿真结果证实，即使在接收机上采用次优均衡方案，也可以获得相当大的性能增益。

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Modulation diversity for fading ISI channels: performance analysis and code design

In this paper, modulation diversity (MD) for Rayleigh fading intersymbol interference (ISI) channels is proposed. In particular, the achievable performance with MD is analyzed and a design criterion for MD codes is deduced from an upper bound on the pairwise error probability. This design rule is similar to the well-known design rule for MD codes for flat fading and does not depend on the power delay profile of the fading channel. Several examples for MD codes with prescribed properties are given and compared. Simulation results confirm that considerable performance gains can be achieved with MD even if suboptimum equalization schemes are adopted at the receiver.

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来源期刊

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

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