Saddlepoint Approximations for Noncoherent Single-Antenna Rayleigh Block-Fading Channels

被引：0

作者：

Lancho, Alejandro ^{[1
,2
]}

Ostman, Johan ^{[3
]}

Durisi, Giuseppe ^{[3
]}

Koch, Tobias ^{[1
,2
]}

Vazquez-Vilar, Gonzalo ^{[1
,2
]}

机构：

[1] Univ Carlos III Madrid, Leganes, Spain

[2] Gregorio Mararon Hlth Res Inst, Madrid, Spain

[3] Chalmers Univ Technol, Gothenburg, Sweden

来源：

2019 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT) | 2019年

基金：

瑞典研究理事会; 欧洲研究理事会;

关键词：

D O I：

10.1109/isit.2019.8849659

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents saddlepoint approximations of state-of-the-art converse and achievability bounds for noncoherent, single-antenna, Rayleigh block-fading channels. These approximations can be calculated efficiently and are shown to be accurate for SNR values as small as 0 dB, blocklengths of 168 channel uses or more, and when the channel's coherence interval is not smaller than two. It is demonstrated that the derived approximations recover both the normal approximation and the reliability function of the channel.

引用

页码：612 / 616

页数：5

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