Reference : Peak Power Minimization in Symbol-level Precoding for Cognitive MISO Downlink Channels

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	To cite this reference:	http://hdl.handle.net/10993/28262

Title :	Peak Power Minimization in Symbol-level Precoding for Cognitive MISO Downlink Channels
Language :	English
Author, co-author :	Alodeh, Maha [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Spano, Danilo [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Chatzinotas, Symeon [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Ottersten, Björn [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Publication date :	16-Oct-2016
Main document title :	IEEE Digital Signal Processing Conference
Peer reviewed :	Yes
On invitation :	No
Audience :	International
Event name :	IEEE Digital Signal Processing Conference
Event date :	10-2016
Event organizer :	IEEE Signal Processing Society
Event place (city) :	Beijing
Event country :	China
Keywords :	[en] Symbol-Level Precoding ; Multiuser MISO
Abstract :	[en] This paper proposes a new symbol-level precoding scheme at the cognitive transmitter that jointly utilizes the data and channel information to reduce the effect of nonlinear amplifiers, by reducing the maximum antenna power under quality of service constraint at the cognitive receivers. In practice, each transmit antenna has a separate amplifier with individual characteristics. In the proposed approach, the precoding design is optimized in order to control the instantaneous power transmitted by the antennas, and more specifically to limit the power peaks, while guaranteeing some specific target signal-to-noise ratios at the receivers and respecting the interference temperature constraint imposed by the primary system. Numerical results show the effectiveness of the proposed scheme, which outperforms the existing state of the art techniques in terms of reduction of the power peaks.
Target :	Researchers ; Professionals ; Students ; General public
Permalink :	http://hdl.handle.net/10993/28262
Framework Programme / European Project :	H2020 ; 645047 - SANSA - Shared Access Terrestrial-Satellite Backhaul Network enabled by Smart Antennas

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