A Categorized Resource Sharing Mechanism for Device-to-Device Communications in Cellular Networks

被引：61

作者：

Chen, Jie ^{[1
]}

Liu, Chang ^{[2
]}

Li, Husheng ^{[3
]}

Li, Xulong ^{[1
]}

Li, Shaoqian ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Chengdu, Peoples R China

[2] Dalian Univ Technol, Dalian, Peoples R China

[3] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN USA

来源：

MOBILE INFORMATION SYSTEMS | 2016年 / 2016卷

基金：

美国国家科学基金会;

关键词：

D O I：

10.1155/2016/5894752

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Device-to-Device (D2D) communications are considered one of the key technologies for 5G wireless communication systems. In this paper, a resource sharing mechanism, which applies different policies for different cases (thus being categorized), is proposed. In this scheme, all D2D pairs are divided into three groups by comparing the minimum transmit power with the maximum transmit power of each cellular UE. The proposed mechanism enables multiple D2D pairs in the second group to share the resource with cellular user equipment (UE) simultaneously, by adjusting the transmit powers of these D2D transmitters. At the same time, D2D pairs in the first group and the third group share resource with cellular UE based on the transmit power minimization principle. Simulation results show that the proposed scheme can achieve relatively higher network throughput and lower transmit power consumption of the D2D system.

引用

页数：10

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