Reference : Energy Efficiency Optimization Technique for SWIPT-enabled Multi-Group Multicasting S...

	Document type :	Scientific congresses, symposiums and conference proceedings : Poster
	Discipline(s) :	Engineering, computing & technology : Computer science
	Focus Areas :	Security, Reliability and Trust
	To cite this reference:	http://hdl.handle.net/10993/46071

Title :	Energy Efficiency Optimization Technique for SWIPT-enabled Multi-Group Multicasting Systems with Heterogeneous Users
Language :	English
Author, co-author :	Gautam, Sumit [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom >]
	Chatzinotas, Symeon [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom >]
	Ottersten, Björn [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Publication date :	Jun-2021
Peer reviewed :	Yes
On invitation :	No
Audience :	International
Event name :	The international Conference on Acoustics, Speech, & Signal Processing (ICASSP)
Event date :	from 06-06-2021 to 11-06-2021
Event organizer :	IEEE
Event place (city) :	Toronto
Event country :	Canada
Keywords :	[en] Fractional optimization ; multi-group (MG) multicast (MC) precoding ; simultaneous wireless information and power transmission (SWIPT) ; Semidefinite Programming (SDP) ; Second Order Conic Programming (SOCP)
Abstract :	[en] We consider a multi-group (MG) multicasting (MC) system wherein a multi-antenna transmitter serves heterogeneous users capable of either information decoding (ID) or energy harvesting (EH), or both. In this context, we investigate a precoder design framework to explicitly serve the ID and EH users categorized within certain MC and EH groups. Specifically, the ID users are categorized within multiple MC groups while the EH users are a part of single (last) group. We formulate a problem to optimize the energy efficiency in the considered scenario under a quality-of-service (QoS) constraint. An algorithm based on Dinkelback method, slack-variable replacement, and second-order conic programming (SOCP)/semi-definite relaxation (SDR) is proposed to obtain a suitable solution for the above-mentioned fractional-objective dependent non-convex problem. Simulation results illustrate the benefits of proposed algorithm under several operating conditions and parameter values, while drawing a comparison between the two proposed methods.
Target :	Researchers ; Professionals ; Students ; General public ; Others
Permalink :	http://hdl.handle.net/10993/46071
FnR project :	FnR ; FNR11037543 > Bjorn Ottersten > InWIPNET > Integrated Wireless Information And Power Networks > 01/10/2016 > 30/09/2020 > 2015

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