RESOURCE MANAGEMENT IN THE MULTIBEAM NOMA-BASED SATELLITE DOWNLINK

被引：0
|
作者：
Ramirez, Tomas [1 ]
Mosquera, Carlos [1 ]
机构：
[1] Univ Vigo, atlanTT Res Ctr, Vigo, Galicia, Spain
来源：
2020 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2020年
关键词：
NOMA; Satellite; Beam; Scheduling;
D O I：
10.1109/icassp40776.2020.9054692
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A beam-free approach to channel allocation in a multi-beam four-color satellite coverage area is taken. Non-Orthogonal Multiple Access (NOMA) and Orthogonal Multiple Access (OMA) are compared as methods to serve users non-necessarily located on the reference beam. A proportional fairness policy is employed for the user scheduling. The naturally occurring SNR imbalances in the user terminal population are exploited in such a way that NOMA outperforms OMA, partly due to the blurring of the boundaries of the satellite beams, in such a way that a non-conventional approach to user pairing can reap more benefits from a system perspective.
引用
收藏
页码：8812 / 8816
页数：5
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