Integrated Communications and Localization for Massive MIMO LEO Satellite Systems

被引：4
|
作者：
You, Li [1 ,2 ]
Qiang, Xiaoyu [1 ,2 ]
Zhu, Yongxiang [1 ,2 ]
Jiang, Fan [3 ,4 ]
Tsinos, Christos G. [5 ]
Wang, Wenjin [1 ,2 ]
Wymeersch, Henk [6 ]
Gao, Xiqi [1 ]
Ottersten, Bjorn [7 ]
机构：
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Peoples R China
[2] Purple Mt Labs, Nanjing 211100, Peoples R China
[3] Halmstad Univ, Sch Informat Technol, S-30118 Halmstad, Sweden
[4] Peng Cheng Lab, Shenzhen 518000, Peoples R China
[5] Natl & Kapodistrian Univ Athens, Dept Digital Ind Technol, Evripus Campus, Athens 34400, Greece
[6] Chalmers Univ Technol, Dept Elect Engn, S- 41296 Gothenburg, Sweden
[7] Univ Luxembourg, Interdisciplinary Ctr Secur Reliabil & Trust SnT, L-2721 Luxembourg, Luxembourg
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2024年 / 23卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Location awareness; Satellites; Low earth orbit satellites; Massive MIMO; Satellite broadcasting; Precoding; Downlink; Integrated communications and localization; 6G; non-geostationary satellite; LEO satellite; massive MIMO; hybrid precoding; squared position error bound; MILLIMETER-WAVE MIMO; WIDE-BAND LOCALIZATION; ORIENTATION ESTIMATION; PERFORMANCE LIMITS; FUNDAMENTAL LIMITS; OPTIMIZATION; OFDM; TRANSMISSION; POSITION; DESIGN;
D O I：
10.1109/TWC.2024.3378305
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：11061 / 11075
页数：15
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