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Spatial PAPR Reduction in Symbol-level Precoding for the Multi-beam Satellite Downlink
Spano, Danilo; Alodeh, Maha; Chatzinotas, Symeon et al.
2017In IEEE SPAWC 2017
Peer reviewed
 

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Keywords :
Symbol-level precoding; multi-beam satellite systems; non-linear satellite channel; constructive interference; Spatial PAPR Reduction
Abstract :
[en] In this work, a novel symbol-level precoding scheme is proposed, for managing the multi-user interference in the forward downlink channel of a multi-beam satellite system. Besides exploiting the constructive interference effect, the proposed scheme aims at improving the robustness of the transmitted signals to the non-linear distortions of practical satellite systems. This is done by reducing the imbalances between the instantaneous power transmitted by the multiple antennas, which are detrimental in non-linear systems. More specifically, this work proposes a symbol-level precoding scheme performing the minimization of the spatial peak-to-average power ratio, under Quality-of-Service constraints. An iterative algorithm is proposed to solve the related optimization problem. Numerical results are presented to assess the performance of the proposed scheme, which outperforms the state of the art symbol-level precoding techniques in terms of spatial peak-to-average power ratio across the transmitting antennas.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Spano, Danilo ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Alodeh, Maha ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Chatzinotas, Symeon  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Krause, Jens;  SES
Ottersten, Björn ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
External co-authors :
no
Language :
English
Title :
Spatial PAPR Reduction in Symbol-level Precoding for the Multi-beam Satellite Downlink
Publication date :
July 2017
Event name :
IEEE SPAWC 2017
Event place :
Sapporo, Japan
Event date :
from 03-07-2017 to 06-07-2017
Main work title :
IEEE SPAWC 2017
Peer reviewed :
Peer reviewed
Available on ORBilu :
since 19 May 2017

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