计算机工程

• 移动互联与通信技术 • 上一篇    下一篇

基于带内回程的全双工大规模MIMO异构网覆盖分析

贾向东1,2,颉满刚1,周猛1   

  1. (1.西北师范大学 计算机科学与工程学院,兰州 730070; 2.南京邮电大学 江苏省无线通信重点实验室,南京 210003)
  • 收稿日期:2016-10-24 出版日期:2017-07-15 发布日期:2017-07-15
  • 作者简介:贾向东(1971—),男,副教授、博士,主研方向为无线通信;颉满刚、周猛,硕士研究生。
  • 基金项目:
    国家自然科学基金(61261015,61561043);甘肃省普通高校基本科研业务费专项资金“面向5G的Massive MIMO毫米波段信道建模及其估计”。

Coverage Analysis for Full-Duplex Massive MIMO Heterogeneous Network Based on In-band Backhaul

JIA Xiangdong 1,2,XIE Mangang 1,ZHOU Meng 1   

  1. (1.College of Computer Science and Engineering,Northwest Normal University,Lanzhou 730070,China; 2.Wireless Communication Key Lab of Jiangsu Province,Nanjing University of Posts and Telecommunications,Nanjing 210003,China)
  • Received:2016-10-24 Online:2017-07-15 Published:2017-07-15

摘要: 在大规模多输入多输出(MIMO)系统中,带内全双工无线回程方案能够有效复用无线电接入频谱,大幅提高网络性能。为此,基于该方案构建大规模MIMO异构蜂窝网络模型,并假设网络元素分别服从独立齐次泊松点过程,利用随机几何理论分别研究宏蜂窝下行和小蜂窝上行链路信号干扰噪声比(SINR)的覆盖概率,分析不同参数对覆盖性能的影响。仿真结果表明,带内全双工无线回程方案能够有效提高系统频谱效率,但不能改善宏蜂窝和小蜂窝网络的SINR覆盖概率。

关键词: 大规模多输入多输出系统, 全双工, 蜂窝网, 无线回程, 覆盖概率, 随机几何

Abstract: In massive Multiple-Input Multiple-Output(MIMO) system,In-Band(IB)Full-Duplex(FD) wireless backhaul scheme can reuse the radio access spectrum and greatly improve the network performance.With this consideration,this paper proposes a massive MIMO heterogeneous cellular network model based on IB FD wireless backhaul. By assuming that the network elements are subject to independent Homogeneous Possion Point Process(HPPP)and using the stochastic geometry theory,it researches the Signal-to-Interference-Noise Ratio(SINR) coverage probabilities of the macro cell downlink and small cell uplink transmission respectively,and analyzes the impacts of different parameters on the coverage performance.Simulation results show that the IB FD wireless backhaul scheme can effectively improve the spectral efficiency of the system,but it cannot improve the SINR coverage probability of the macro cell and small cell networks.

Key words: massive Multiple-Input Multiple-Output(MIMO) system, Full-Duplex(FD), cellular network, wireless backhaul, coverage probability, stochastic geometry

中图分类号: