摘要
为解决5G时代频谱资源紧张问题,非正交多址接入技术(Non-Orthogonal Multiple Assess,NOMA)成为最佳选择。对NOMA技术基本原理及关键技术如功率复用叠加编码技术和串行干扰消除(Successive Interfer?ence Cancellation,SIC)技术进行了阐述。研究了下行链路中基于功率域NOMA通信系统的误码性能,得到合适的功率分配比范围。在此基础上加入Turbo码,并对加入Turbo码后的NOMA系统误码性能进行了比较分析。
In order to solve the problem of tight spectrum resources in the 5G era, Non-Orthogonal Multiple Assess (NOMA) technology has become the best choice. The basic principles of NOMA technology and its key technologies, including power multiplexing superposition coding technology and Successive Interference Cancellation (SIC) technology, are described. The error performance of the NOMA communication system based on the power domain in the downlink is studied, and an appropriate power allocation ratio range is obtained. Based on this, Turbo code is added and the error performance of NOMA system after adding Turbo code is compared and analyzed.
作者
李伟琪
王浩
贾子彦
LI Wei-qi;WANG Hao;JIA Zi-yan(College of Communication Engineering, Hangzhou Dianzi University, Hangzhou 310018, China;Jiangsu University of Technology, Changzhou 213001, China)
出处
《软件导刊》
2019年第4期163-167,共5页
Software Guide
关键词
非正交多址接入技术
功率复用
叠加编码
串行干扰消除
TURBO码
误码性能
non-orthogonal multiple assess
power multiplexing
superposition coding
successive interference cancellation
turbo code
error performance
