Centralized and Distributed Power Allocation in Multi-User Wireless Relay Networks

被引：0
作者：
Phan, Khoa T. [1 ]
Le, Long Bao [2 ]
Vorobyov, Sergiy A. [3 ]
Le-Ngoc, Tho [4 ]
机构：
[1] CALTECH, Dept Elect Engn, Pasadena, CA 91125 USA
[2] MIT, Dept Aeronaut & Astronaut, Cambridge, MA 02139 USA
[3] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB, Canada
[4] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ, Canada
来源：
2009 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-8 | 2009年
基金：
加拿大自然科学与工程研究理事会;
关键词：
Power allocation; relay networks; cooperative diversity; throughput and fairness tradeoff; COOPERATIVE DIVERSITY; RESOURCE-ALLOCATION;
D O I：
暂无
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：
Optimal power allocation for multi-user amplify-and-forward wireless relay networks in which multiple source-destination pairs are assisted by a set of relays is investigated.(1) Two relay power allocation strategies based on maximization of either i) the minimum rate among all users or ii) the weighted sum of rates are developed. A distributed implementation of the maximum weighted-sum-rate power allocation strategy is also studied. Numerical results demonstrate the efficiency of the proposed strategies and reveal their interesting throughput-fairness tradeoff in resource allocation.
引用
收藏
页码：4396 / +
页数：2
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