Joint Optimization of Channel Allocation,Link Assignment and Power Control for Device-to-Device Communication Underlaying Cellular Network

被引：6
|
作者：
TANG Rui [1 ]
ZHAO Jihong [1 ,2 ]
QU Hua [1 ]
机构：
[1] School of Electronics and Information Engineering,Xi'an Jiaotong University
[2] School of Communication and Information Engineering,Xi'an University of Posts and Telecommunications
来源：
中国通信 | 2015年 / 12卷 / 12期
关键词：
D2D communication; performance tradeoff; resource allocation;
D O I：
暂无
中图分类号：
TN929.5 [移动通信];
学科分类号：
摘要：
Device-to-Device(D2D) communication has been proposed to facilitate cellular network with system capacity(SC) and quality of service(QoS).We consider the design of link assignment(LA),channel allocation(CA)and power control(PC) in D2D-aided content delivery scenario for both user fairness(UF)and system throughput(ST) under QoS requirement.Due to the complexity of the problem,we decompose it into two components:CA is formulated from graph perspective to mitigate severe co-channel interference,which turns out to be the Max K-cut problem;LA and PC are jointly optimized to utilize the gain achieved from CA for supreme performance,and specifically,genetic algorithm(GA) is adopted to optimize LA,but when deriving the fitness of each chromosome,PC optimization will be involved.Thanks to numerical results,we elucidate the efficacy of our scheme.
引用
收藏
页码：92 / 100
页数：9
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