Non-orthogonal Multiple Access for Similar Channel Conditions

被引：0
|
作者：
Anwar, Asim [1 ]
Seet, Boon-Chong [1 ]
Li, Xue Jun [1 ]
机构：
[1] Auckland Univ Technol, Dept EEE, Auckland, New Zealand
来源：
SMART GRID AND INNOVATIVE FRONTIERS IN TELECOMMUNICATIONS, SMARTGIFT 2018 | 2018年 / 245卷
关键词：
Non-orthogonal multiple access; Channel gain stretching; Power allocation;
D O I：
10.1007/978-3-319-94965-9_19
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Non-orthogonal multiple access (NOMA) is considered as promising multiple access (MA) scheme for upcoming fifth generation (5G) systems. The performance of NOMA is highly dependent upon having significant channel gain difference among users. In this paper, we focus on the situation of similar channel conditions and propose a channel gain stretching (CGS) strategy to apply NOMA more effectively under these conditions. In order to evaluate the performance, we derive a closed-form expression of the outage probability. Numerical results are also presented to validate the accuracy of the derived results and also to compare the performance of NOMA with and without CGS, and orthogonal MA (OMA).
引用
收藏
页码：192 / 199
页数：8
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