Performance research of multi-pair D2D communication underlying cellular networks

Computer Engineering and Applications ›› 2015, Vol. 51 ›› Issue (9): 93-97.

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Performance research of multi-pair D2D communication underlying cellular networks

CAI Yan, LIU Xu, SHAO Shixiang, ZHU Hongbo

Key Laboratory of Wireless Communications of Jiangsu Province, College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

Online:2015-05-01 Published:2015-05-15

基于蜂窝网络的多对D2D通信性能研究

蔡艳，刘旭，邵世祥，朱洪波

南京邮电大学通信与信息工程学院江苏省无线通信重点实验室，南京 210003

Abstract

Abstract: Considering the case in which Cellular User Equipment（CUE） and multi-pair Device-to-Device（D2D） link exploit the same resources in the uplink period, the performance of cellular networks is studied in this paper. Under the multi-pair D2D link aggregate interference constraint, the outage probability of the cellular system is deduced and simulated. Simulation results show that the interference received by BS increases with the increase of D2D link. The results also indicate that the overall system capacity can be improved with the increase of D2D link when the distance constraint between D2D link and the BS is met.

Key words: Device-to-Device（D2D） communication, cellular system, spectrum sharing, outage probability

摘要： 针对终端间直接通信技术（Device-to-Device，D2D）共享蜂窝通信上行链路资源，研究多对D2D链路共享资源对蜂窝系统性能的影响，在多对D2D通信链路累积干扰条件下推导系统中断概率并进行了仿真分析，仿真结果表明，增加D2D链路会增大对基站的干扰，但当D2D链路分布满足一定的距离条件，较大的D2D链路数不仅能够保证系统中断概率，还可使引入多对D2D通信后的系统容量得到提升。

关键词: 终端间直接通信技术（D2D）, 蜂窝系统, 频谱共享, 中断概率

CAI Yan, LIU Xu, SHAO Shixiang, ZHU Hongbo. Performance research of multi-pair D2D communication underlying cellular networks[J]. Computer Engineering and Applications, 2015, 51(9): 93-97.

蔡艳，刘旭，邵世祥，朱洪波. 基于蜂窝网络的多对D2D通信性能研究[J]. 计算机工程与应用, 2015, 51(9): 93-97.

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Performance research of multi-pair D2D communication underlying cellular networks

基于蜂窝网络的多对D2D通信性能研究

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