全双工协作多播业务在NOMA系统中的应用和性能

doi:10.11959/j.issn.1000-0801.2019220

电信科学 ›› 2019, Vol. 35 ›› Issue (10): 69-76.doi: 10.11959/j.issn.1000-0801.2019220

全双工协作多播业务在NOMA系统中的应用和性能

汪巧¹, 周彦果², 杨新杰¹, 李有明¹, 石伟¹, 陈波¹

¹ 宁波大学信息科学与工程学院，浙江宁波 315211
² 中国电子科学研究院，北京 100041

修回日期:2019-09-22 出版日期:2019-10-20 发布日期:2019-11-03
作者简介:汪巧（1992- ），女，宁波大学信息科学与工程学院硕士生，主要研究方向为非正交多址接入（NOMA）技术|周彦果（1989- ），女，中国电子科学研究院工程师，主要研究方向为 5G 移动通信、协作中继通信等|杨新杰（1971- ），男，宁波大学信息科学与工程学院教授、硕士生导师，主要研究方向为下一代移动通信系统架构、移动物联网接入技术、协作中继网络性能等|李有明（1963- ），男，宁波大学信息科学与工程学院教授、博士生导师，主要研究方向为宽带通信、电力线通信、协作中继、认知无线电等|石伟（1994- ），女，宁波大学信息科学与工程学院硕士生，主要研究方向为非正交多址接入（NOMA）技术|陈波（1988- ），男，宁波大学信息科学与工程学院讲师，主要研究方向为非正交多址接入（NOMA）技术、无人机以及其他5G相关技术

Application and performance of full-duplex cooperative multicast in NOMA system

Qiao WANG¹, Yanguo ZHOU², Xinjie YANG¹, Youming LI¹, Wei SHI¹, Bo CHEN¹

¹ Faculty of Electrical Engineering and Computer Science,Ningbo University,Ningbo 315211,China
² China Electronics Technology Group Corporation,Beijing 100041,China

Revised:2019-09-22 Online:2019-10-20 Published:2019-11-03

摘要/Abstract

摘要：

研究了多播业务在协作非正交多址接入（non-orthogonal multiple access，NOMA）系统中的应用及其性能。在一个单播和多播混合业务的场景中，多播用户组中选择某个信道状态最好的用户作为中继进行解码转发单播用户的信号，并在中继用户支持全双工的模式下，分析和推导了单播用户的中断概率和平均可达速率的闭式表达式。蒙特卡洛仿真结果和理论推导高度一致，表明提出的协作多播应用可以极大改善单播用户的中断性能，且多播用户的容量性能在中继发射功率不是很高的情况下不会受到影响。

关键词: NOMA, 多播业务, 全双工中继, 中断概率, 平均可达速率

Abstract:

The application of cooperative multicast in a non-orthogonal multiple access (NOMA) system and its performances was studied where a mixed service scenario consisting of a number of the multicast users and one unicast user was employed.In such a system,a cooperative relay path selection strategy was used and a best channel conditioned multicast user was selected as relay user to relay the unicast user’s signal.The unicast user outage probability and the relay user’s capacity in closed-form were then derived.Mont Carlo simulation results validate the analysis and show that the proposed scheme significantly enhances outage probability for unicast user while maintaining the same ergodic capacity for the relay user.

Key words: NOMA, multicast service, full-duplex relay, outage probability, ergodic throughput

中图分类号:

TN925

汪巧, 周彦果, 杨新杰, 李有明, 石伟, 陈波. 全双工协作多播业务在NOMA系统中的应用和性能[J]. 电信科学, 2019, 35(10): 69-76.

Qiao WANG, Yanguo ZHOU, Xinjie YANG, Youming LI, Wei SHI, Bo CHEN. Application and performance of full-duplex cooperative multicast in NOMA system[J]. Telecommunications Science, 2019, 35(10): 69-76.

图/表 3

参考文献 21

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全双工协作多播业务在NOMA系统中的应用和性能

Application and performance of full-duplex cooperative multicast in NOMA system

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