a中多个QAM方案的性能

Conference Proceeding IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Pub Date : 1989-06-01 DOI:10.1109/PACRIM.1989.48385

T. Le-Ngoc, G. M. Lieu, V. Bhargava

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引用次数: 3

摘要

提出了一种简单的统计模型来评价多径信道下多径QAM方案的性能。该模型是基于对实际中经常遇到的信道的假设。它导致了指数型概率密度的假设，描述了多径衰落对M-ary QAM方案的影响，由此可以导出平均误差概率的封闭形式表达式。给出了16 qam、64 qam和256 qam信号的示例结果。

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Performance of M-ary QAM schemes in a

A simple, statistical model to evaluate the performance of M-ary QAM schemes in a line-of-sight multipath fading channel is proposed. The model is based on assumptions about the channel which are often encountered in practice. It leads to the postulation of an exponential-type probability density describing the effects of multipath fading on M-ary QAM schemes, whereby closed-form expressions for the average error probability can be derived. Illustrative results for 16-, 64-, and 256-QAM signals are presented.<>

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Conference Proceeding IEEE Pacific Rim Conference on Communications, Computers and Signal Processing

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