Reference : Joint Communications and Sensing for Hybrid Massive MIMO LEO Satellite Systems With B...

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Computer science
	Focus Areas :	Security, Reliability and Trust
	To cite this reference:	http://hdl.handle.net/10993/53390

Title :	Joint Communications and Sensing for Hybrid Massive MIMO LEO Satellite Systems With Beam Squint
Language :	English
Author, co-author :	Qiang, Xiaoyu []
	You, Li []
	Tsinos, Christos [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Wang, Wenjin []
	Gao, Xiqi []
	Ottersten, Björn [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Publication date :	2022
Main document title :	2022 IEEE International Conference on Communications Workshops (ICC Workshops)
Publisher :	IEEE
Peer reviewed :	Yes
Audience :	International
Country :	USA
Event name :	2022 IEEE International Conference on Communications Workshops (ICC Workshops)
Event date :	16-05-2022 to 20-05-2022
Event place (city) :	Seoul
Event country :	South Korea
Abstract :	[en] To improve the efficient utilization of spectral and hardware resources, joint communications and sensing (JCS) has drawn extensive attention. Most existing JCS works focus on terrestrial networks and can not be straightforwardly applied in satellite systems due to the significantly different electromagnetic wave propagation properties. In this work, we investigate the application of JCS in massive multiple-input multiple-output (MIMO) low earth orbit (LEO) satellite systems. We first charac-terize the statistical wave propagation properties by considering beam squint effects. Based on this analysis, we propose a beam squint-aware JCS technique for hybrid analog/digital massive MIMO LEO satellite systems exploiting statistical channel s-tate information. Simulation results demonstrate that both the wireless communications and target sensing can be operated simultaneously with satisfactory performance, and the beam squint effects can be efficiently mitigated with the proposed method in typical LEO satellite systems.
Permalink :	http://hdl.handle.net/10993/53390
DOI :	10.1109/ICCWorkshops53468.2022.9814509

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