Reference : Multiple-input multiple-output symbol rate signal digital predistorter for non-linear...

	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	To cite this reference:	http://hdl.handle.net/10993/24874

Title :	Multiple-input multiple-output symbol rate signal digital predistorter for non-linear multi-carrier satellite channels
Language :	English
Author, co-author :	Zenteno, Efrain [> >]
	Piazza, Roberto [> >]
	Bhavani Shankar, M. R. [> >]
	Rönnow, Daniel [> >]
	Ottersten, Björn [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) >]
Publication date :	2015
Journal title :	Communications, IET
Publisher :	IET Communications
Volume :	9
Issue/season :	16
Pages :	2053--2059
Peer reviewed :	Yes (verified by ORBilu)
Audience :	International
ISSN :	17518628
Keywords :	[en] Channel estimation ; Codes (symbols) ; Communication channels (information theory) ; Digital predistorter ; Satellite channel ; Feedback control ; Mathematical operators ; MIMO systems ; Mobile telecommunication systems ; Satellite communication systems ; Telecommunication repeaters ; Digital predistortion ; Maximum output power ; Multi-rate processing ; Satellite communications ; Single input single output ; Carrier communication
Abstract :	[en] A digital predistortion (DPD) scheme is presented for non-linear distortion mitigation in multi-carrier satellite communication channels. The proposed DPD has a multiple-input multiple-output architecture similar to data DPD schemes. However, it enhances the mitigation performance of data DPDs using a multi-rate processing algorithm to achieve spectrum broadening of non-linear operators. Compared to single carrier (single-input single-output) signal (waveform) DPD schemes, the proposed DPD has lower digital processing rate reducing the required hardware cost of the predistorter. The proposed DPD outperforms, in total degradation, both data and signal DPD schemes. Further, it performs closest to a channel bound described by an ideally mitigated channel with limited maximum output power. © 2015. The Institution of Engineering and Technology.
Permalink :	http://hdl.handle.net/10993/24874

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