Integrated Communications and Localization for Massive MIMO LEO Satellite Systems

Integrated communications and localization (ICAL) will play an important part in future sixth generation (6G) networks for the realization of Internet of Everything (IoE) to support both global communications and seamless localization. Massive multiple-input multiple-output (MIMO) low earth orbit (L...

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Bibliographic Details
Published inarXiv.org
Main Authors Li, You, Qiang, Xiaoyu, Zhu, Yongxiang, Jiang, Fan, Tsinos, Christos G, Wang, Wenjin, Wymeersch, Henk, Gao, Xiqi, Ottersten, Björn
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 12.03.2024
Subjects
Computer Science - Information Theory
Localization
Low earth orbits
Mathematics - Information Theory
MIMO communication
Wireless communications
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Summary:Integrated communications and localization (ICAL) will play an important part in future sixth generation (6G) networks for the realization of Internet of Everything (IoE) to support both global communications and seamless localization. Massive multiple-input multiple-output (MIMO) low earth orbit (LEO) satellite systems have great potential in providing wide coverage with enhanced gains, and thus are strong candidates for realizing ubiquitous ICAL. In this paper, we develop a wideband massive MIMO LEO satellite system to simultaneously support wireless communications and localization operations in the downlink. In particular, we first characterize the signal propagation properties and derive a localization performance bound. Based on these analyses, we focus on the hybrid analog/digital precoding design to achieve high communication capability and localization precision. Numerical results demonstrate that the proposed ICAL scheme supports both the wireless communication and localization operations for typical system setups.
ISSN:2331-8422
DOI:10.48550/arxiv.2403.07305