Joint Communications and Sensing for Hybrid Massive MIMO LEO Satellite Systems With Beam Squint

Qiang, Xiaoyu; You, Li; Tsinos, Christos; Wang, Wenjin; Gao, Xiqi; Ottersten, Björn

doi:10.1109/ICCWorkshops53468.2022.9814509

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Joint Communications and Sensing for Hybrid Massive MIMO LEO Satellite Systems With Beam Squint

Qiang, Xiaoyu; You, Li; Tsinos, Christos et al.

2022 • In 2022 IEEE International Conference on Communications Workshops (ICC Workshops)

Peer reviewed

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https://hdl.handle.net/10993/53390

DOI
10.1109/ICCWorkshops53468.2022.9814509

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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.

Disciplines :

Computer science

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)

External co-authors :

yes

Language :

English

Title :

Joint Communications and Sensing for Hybrid Massive MIMO LEO Satellite Systems With Beam Squint

Publication date :

2022

Event name :

2022 IEEE International Conference on Communications Workshops (ICC Workshops)

Event place :

Seoul, South Korea

Event date :

16-05-2022 to 20-05-2022

Audience :

International

Main work title :

2022 IEEE International Conference on Communications Workshops (ICC Workshops)

Publisher :

IEEE, United States

Peer reviewed :

Peer reviewed

Focus Area :

Security, Reliability and Trust

Available on ORBilu :

since 27 December 2022

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