Downlink Resource Reuse for Device-to-Device Communications Underlaying Cellular Networks

被引：110
|
作者：
Zhu, Daohua [1 ]
Wang, Jiaheng [1 ]
Swindlehurst, A. Lee [2 ]
Zhao, Chunming [1 ]
机构：
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Jiangsu, Peoples R China
[2] Univ Calif Irvine, Ctr Pervas Commun & Comp, Irvine, CA 92697 USA
来源：
IEEE SIGNAL PROCESSING LETTERS | 2014年 / 21卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Device-to-device communication; joint optimization; quality of service; resource reuse strategy;
D O I：
10.1109/LSP.2014.2309143
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：
The full potential of Device-to-device (D2D) communication relies on efficient resource reuse strategies including power control and matching of D2D links and cellular users (CUs). This letter investigates downlink resource reuse between multiple D2D links and multiple CUs. Our goal is to achieve a network utility enhancement for D2D communication while ensuring the QoS of the CUs. Despite the combinatorial nature of the problem and the coupled power constraints, we characterize the optimal D2D-CU matching as well as their power coordination, and propose an efficient algorithm to jointly optimize all D2D links and CUs. The proposed downlink resource reuse strategy shows a superiority over existing D2D schemes.
引用
收藏
页码：531 / 534
页数：4
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