移动蜂窝网络中D2D通信资源分配算法概述

Overview of D2D communication resource allocation algorithms in mobile cellular networks

Device-to-Device(D2D)通信是用于通信网络中临近设备间直接交换信息的技术。凭借有效提高频谱利用率、减轻网络负载、降低通信时延等特性,D2D技术已经成为解决当前高速流量增长和海量设备接入的关键技术,其中资源分配作为D2D通信中的重点问题之一,也正受到广泛的研究和讨论。首先对D2D通信技术进行简介,其次重点介绍D2D通信中资源分配算法的研究现状,最后总结研究中的重难点问题,提出未来研究方向。

Device-to-Device(D2D)communication is a technology used to directly exchange information between neighboring devices in a communication network.With the characteristics of effectively improving spectrum utilization,reducing network load,and reducing communication delay,D2D technology has become a key technology to solve the current high-speed traffic growth and mass device access.Among them,resource allocation is one of the key issues in D2D communication,which is being extensively studied and discussed.This article first introduces the D2D communication technology,secondly focuses on the research status of the resource allocation algorithm in D2D communication,and finally summarizes the major and difficult problems in the research and proposes future research directions.