Upper Bounds on the Capacity of Multiple-Antenna Optical Intensity Channels: A Sphere-Packing Perspective

被引：0

作者：

Yang, Sufang ^{[1
]}

Li, Longguang ^{[2
]}

Wang, Jintao ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China

[2] East China Normal Univ, Dept Commun & Elect Engn, Shanghai, Peoples R China

来源：

2022 14TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING, WCSP | 2022年

基金：

中国国家自然科学基金;

关键词：

Optical intensity channel; channel capacity; sphere packing; COMMUNICATION;

D O I：

10.1109/WCSP55476.2022.10039384

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes new upper bounds on the capacity of multiple-antenna optical intensity channels based on a sphere-packing method. The inputs of this channel are subject to peak- or/and average-power constraints. For the multipleinput multiple-output (MIMO) channel constrained by the peak power, we use a hyperellipsoid to approximate the volume of the output space and derive the capacity bounds. For the multiple-input single-output (MISO) channel constrained by the peak and average power, we first transform it into a scalar channel and then adopt a similar process to derive the capacity bounds. The derived bounds give good approximations of channel capacity.

引用

页码：356 / 360

页数：5

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