Decentralized Two-Hop Opportunistic Relaying With Limited Channel State Information

被引：0

作者：

Cui, Shengshan ^{[1
]}

Haimovich, Alexander M. ^{[1
]}

Somekh, Oren ^{[2
]}

Poor, H. Vincent ^{[2
]}

机构：

[1] New Jersey Inst Technol, Dept Elect & Comp Engn, Newark, NJ 07102 USA

[2] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA

来源：

2008 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY PROCEEDINGS, VOLS 1-6 | 2008年

基金：

美国国家科学基金会;

关键词：

D O I：

10.1109/ISIT.2008.4595202

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

A network consisting of n source-destination pairs and m relays with no direct link between source and destination nodes, is considered. Focusing on the large system limit (large n), the throughput scaling laws of two-hop relaying protocols are studied for Rayleigh fading channels. It is shown that, under the practical constraints of single-user encoding-decoding scheme, and partial channel state information (CSI) at the transmitters (via integer-value feedback from the receivers), the maximal throughput scales as log n even if joint scheduling among relays is allowed. Furthermore, a novel opportunistic relaying scheme with receiver CSI, partial transmitter CSI, and decentralized relay scheduling, is shown to achieve the optimal throughput scaling law of log n.

引用

页码：1323 / +

页数：2

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