Fair and Efficient Relay Selection and Spectrum Allocation for Multi-User and Multi-Relay Cooperative Cellular Networks

被引:6
|
作者
Zhang, Guopeng [1 ]
Yang, Kun [2 ]
Liu, Peng [1 ]
机构
[1] China Univ Min & Technol, Internet Things Res Ctr, Beijing, Peoples R China
[2] Univ Essex, Sch Comp Sci & Elect Engn, Colchester CO4 3SQ, Essex, England
基金
英国工程与自然科学研究理事会;
关键词
Cooperative relaying; cooperative diversity; bargaining game; Nash bargaining solution; POWER ALLOCATION;
D O I
10.1109/LCOMM.2012.080312.121309
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
This letter studies the joint relay selection (RS) and spectrum allocation (SA) problem for the multi-user and multi-relay (MUMR) cellular networks. Regarding the amount of spectrum resource that a relay is willing to contribute for a particular user as the cooperative strategy of the relay, the joint RS and SA problem can be formulated as a cooperative bargaining game. Since there exists a unique Nash bargaining solution (NBS) to the game, a Langrangian relaxation with iterative search approach is proposed to find the NBS. By comparing with the maximal-rate and the max-min based RS and SA schemes, simulation results show that the proposed bargaining game approach achieves a fair and efficient rates distribution among the competitive users in the Pareto optimal sense.
引用
收藏
页码:1532 / 1535
页数:4
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