Enhanced small cellular downlink communication method based on MIMO-NOMA

The invention discloses an enhanced small cell downlink communication method based on MIMO NOMA, and the method comprises the following steps: firstly, obtaining related initialization parameters of abase station, an NOMA user and an NOMA pairing strategy, and the statistical state information of a...

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Hauptverfasser: LIU NING, FENG JIAHUI, MA SHAODAN, THEODOROS TESFIS, OU BINKAI, YANG GUANGHUA, SHI ZHENG, DOU QINGPING
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creator LIU NING
FENG JIAHUI
MA SHAODAN
THEODOROS TESFIS
OU BINKAI
YANG GUANGHUA
SHI ZHENG
DOU QINGPING
description The invention discloses an enhanced small cell downlink communication method based on MIMO NOMA, and the method comprises the following steps: firstly, obtaining related initialization parameters of abase station, an NOMA user and an NOMA pairing strategy, and the statistical state information of a channel; designing a receiving linear filter of NOMA far and near users by using an interference alignment technology; determining a precoding matrix of a base station end; and finally, optimally designing the transmission rates of all NOMA users by maximizing the long-term average throughput underthe condition of giving the maximum allowable outage probability. Compared with existing methods such as pre-coded MIMO OMA, non-pre-coded MIMO OMA and non-pre-coded MIMO NOMA, the method provided bythe invention has the advantages that the throughput can be effectively improved, and particularly, when the channel difference of NOMA user pairs is more remarkable, the performance is better. 本发明公开了一种基于MIMO-NOMA的增强型小蜂窝下行通信方法
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
title Enhanced small cellular downlink communication method based on MIMO-NOMA
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