低信噪比下的信道相干性

International Symposium on Information Theory and its Applications. International Symposium on Information Theory and its Applications Pub Date : 2004-06-27 DOI:10.1109/ISIT.2004.1365450

Lizhong Zheng, David Tse, M. Médard

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引用次数: 22

摘要

研究了低信噪比条件下信道相干性对非相干衰落信道容量和能量效率的影响。给出了一个简单的表征，并开发了一种新的方法，该方法可用于研究宽带信道上通信的各种问题。研究了受乘性衰落系数和加性高斯噪声影响，每个符号时间失真时传输一个标量符号的平坦块衰落信道。

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Channel coherence in the low SNR regime

The effect of channel coherence on the capacity and energy efficiency of noncoherent fading channels at low SNR is studied. A simple characterization is given, and a new approach is developed, which can be used to study a wide variety of problems for communications over a wideband channel. The flat block fading channel is studied, which transmits one scalar symbol per symbol time distorted by a multiplicative fading coefficient and the additive Gaussian noise.

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International Symposium on Information Theory and its Applications. International Symposium on Information Theory and its Applications

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