An Iterative Hungarian Method to Joint Relay Selection and Resource Allocation for D2D Communications

被引：96
作者：
Kim, Taejoon [1 ]
Dong, Miaomiao [1 ]
机构：
[1] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2014年 / 3卷 / 06期
关键词：
Device-to-device (D2D) relay; resource allocation; relay selection; iterative Hungarian method (IHM);
D O I：
10.1109/LWC.2014.2338318
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The joint relay selection and related subchannel and power allocation problem is investigated for relay-aided device-to-device (D2D) communications underlying cellular networks. We show the optimal power allocation problem can be solved in a closed-form. Considering that the associated relay selection and subchannel assignment problem is NP-complete, we devise an iterative technique, the iterative Hungarian method (IHM). Interestingly, numerical results show that the proposed technique can offer near-optimal performance with polynomial complexity.
引用
收藏
页码：625 / 628
页数：4
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