Social-aware device-to-device communications underlaying cellular networks

doi:10.19682/j.cnki.1005-8885.2018.0003

中国邮电高校学报(英文) ›› 2018, Vol. 25 ›› Issue (1): 29-36.doi: 10.19682/j.cnki.1005-8885.2018.0003

Social-aware device-to-device communications underlaying cellular networks

余江¹,邱玲²,陈正

收稿日期:2017-04-13 修回日期:2018-01-16 出版日期:2018-02-28 发布日期:2018-02-28
通讯作者: 邱玲 E-mail:lqiu@ustc.edu.cn
基金资助:
控制/数据分离架构下多天线密集协作网络统计性能分析与优化

Social-aware device-to-device communications underlaying cellular networks

Received:2017-04-13 Revised:2018-01-16 Online:2018-02-28 Published:2018-02-28

摘要/Abstract

摘要： This article put forward a resource allocation scheme aimming at maximizing system throughput for devide-to-device(D2D) communications underlying cellular network. Firstly, user closeness is defined and calculated through social information including friendship, interest similarity and communication strength to represent the willingness of user to share the spectrum resource with others. Then a social-aware resource allocation problem is formulated to maximize the system throughput while guaranteeing the quality of service(QoS) requirements of both the admissible D2D pairs and then the power of both CUs and D2D pairs is efficiently allocated. Finally CUs and D2D pairs are matched to reuse the spectrum resource in consideration of both user closeness and physical conditions. Simulation results certify the effectiveness of the proposed scheme which significantly enhances the system throughput compared with the existing algorithms.

关键词: D2D communication, user closeness, social-aware, resource allocation.

Abstract: This article put forward a resource allocation scheme aimming at maximizing system throughput for devide-to-device(D2D) communications underlying cellular network. Firstly, user closeness is defined and calculated through social information including friendship, interest similarity and communication strength to represent the willingness of user to share the spectrum resource with others. Then a social-aware resource allocation problem is formulated to maximize the system throughput while guaranteeing the quality of service(QoS) requirements of both the admissible D2D pairs and then the power of both CUs and D2D pairs is efficiently allocated. Finally CUs and D2D pairs are matched to reuse the spectrum resource in consideration of both user closeness and physical conditions. Simulation results certify the effectiveness of the proposed scheme which significantly enhances the system throughput compared with the existing algorithms.

Key words: D2D communication, user closeness, social-aware, resource allocation.

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Social-aware device-to-device communications underlaying cellular networks

Social-aware device-to-device communications underlaying cellular networks

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