Reference : Hybrid Analog-Digital Transceiver Designs for Cognitive Radio Millimiter Wave Systems

	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/10993/29257

Title :	Hybrid Analog-Digital Transceiver Designs for Cognitive Radio Millimiter Wave Systems
Language :	English
Author, co-author :	Tsinos, Christos [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Maleki, Sina [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 :	2016
Main document title :	Hybrid Analog-Digital Transceiver Designs for Cognitive Radio Millimiter Wave Systems
Peer reviewed :	Yes
Event name :	50th anniversary of the Asilomar Conference on Signals, Systems, and Computers Website
Event date :	November 6-9th, 2016
Keywords :	[en] Millimeter wave (mmWave) ; Cognitive Radio ; Hybrid Pre-coding ; Alternating Direction Method of Multipliers (ADMM) ; Large-scale antenna arrays ; Multiple-Input Multiple-Output (MIMO)
Abstract :	[en] Recent advances in Milimeter wave (mmWave) band mobile communications may provide solutions to the increasing traffic demand in modern wireless systems. Even though mmWave bands are scarcely occupied, the design of a prospect transceiver should guarantee the efficient coexistence with the incumbent services in these bands. To that end, in this paper, two underlay cognitive transceiver designs are proposed based on a hybrid Analog/Digital transceiver architecture that enables the mmWave spectrum access while controlling the interference to the incumbent users with low hardware complexity and power consumption. The first cognitive solution designs a codebook free cognitive hybrid pre-coder by maximizing the mutual information between its two ends subject to interference, power and hardware constraints related to the analog counterpart. The second solution is codebook based and exhibits less complexity than the first one at the cost of inferior spectral efficiency. A novel codebook free solution for the post-coder at the cognitive receiver part is further proposed, based on a hardware constrained Minimum Mean Square Error criterion. Simulations study the performance of both the proposed hybrid approaches and compare it to the one of a fully digital solution for typical wireless environments.
Funders :	Fonds National de la Recherche - FnR
Target :	Researchers ; Professionals ; Students ; General public ; Others
Permalink :	http://hdl.handle.net/10993/29257
Framework Programme / European Project :	H2020 ; 645047 - SANSA - Shared Access Terrestrial-Satellite Backhaul Network enabled by Smart Antennas
FnR project :	FnR ; FNR5785257 > Bjorn Ottersten > SeMIGod > SpEctrum Management and Interference mitiGation in cognitive raDio satellite networks > 01/04/2014 > 31/03/2017 > 2013

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