Distributed RZF Precoding for Multiple-Beam MSC Downlink

Regularized zero-forcing (RZF) precoding can be used in multiple-beam mobile satellite communication (MSC) system downlink to combat interbeam-interference for high energy efficiency. We adopt the interference cancelation idea in approximate message passing (AMP) algorithm and propose an interferenc...

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Vydáno v:IEEE transactions on aerospace and electronic systems Ročník 54; číslo 2; s. 968 - 977
Hlavní autoři: Yang, Yang, Wang, Wenjin, Gao, Xiqi
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.04.2018
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Algorithms
Communications systems
Computer simulation
Distributed algorithm
Downlink
Fading channels
Gain
Interference
Message passing
Mobile communication
Mobile communication systems
mobile satellite communication (MSC)
multiple-beam cooperation
Precoding
regularized zero-forcing precoding
Satellite communications
Satellites
ISSN:0018-9251, 1557-9603
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Shrnutí:Regularized zero-forcing (RZF) precoding can be used in multiple-beam mobile satellite communication (MSC) system downlink to combat interbeam-interference for high energy efficiency. We adopt the interference cancelation idea in approximate message passing (AMP) algorithm and propose an interference cancelation message passing (IC-MP) algorithm. To combine the virtues of both IC-MP and AMP, a hybrid message passing (H-MP) algorithm is also proposed. Simulation results show that H-MP has the best performance compared with IC-MP and AMP, and may even outperform the centralized RZF precoding.
Bibliografie:ObjectType-Article-1
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ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2017.2768939