非正交多址接入下行链路用户匹配与功率优化算法

doi:10.11999/JEIT161197

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Abstract

A Multiple-Input Multiple-Output (MIMO) downlink communication system employing Non- Orthogonal Multiple Access (NOMA) technique is studied. Based on the theoretical analysis taking error propagation into account, a distance and spatial correlation based user matching criteria is proposed. In addition, the allocation of the base station’s transmit power is optimized. Simulation results show that the proposed method can increase the number of subscribers that the system can accommodate, while guaranteeing good system’s sum-rate performance.

Key words： Non-Orthogonal Multiple Access (NOMA) Correlation User matching Power allocation

Received: 07 November 2016 Published: 18 May 2017

PACS:

TN929.5

Fund:

The National Natural Science Foundation of China (61401354, 61401320, 61501285), The 111 Project (B16037, B08038)

Corresponding Authors: LI Zhao E-mail: zli@xidian.edu.cn

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	LI Zhao
	DAI Xiaoqin
	CHEN Keyu
	XIAO Liyuan

Cite this article:

LI Zhao,DAI Xiaoqin,CHEN Keyu等. User Matching and Power Optimization Algorithm for Downlink NOMA[J]. JEIT, 2017, 39(8): 1804-1811.

URL:

http://jeit.ie.ac.cn/EN/10.11999/JEIT161197 OR http://jeit.ie.ac.cn/EN/Y2017/V39/I8/1804

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