6G; hybrid precoding; Integrated communications and localization; LEO satellite; massive MIMO; non-geostationary satellite; squared position error bound; 6g; Downlink; Error bound; Hybrid precoding; Integrated communication and localization; Localisation; Location awareness; Low earth orbit satellites; Massive multiple-input multiple-output; Multiple inputs; Multiple outputs; Non-geostationary satellites; Position errors; Precoding; Satellite broadcasting; Squared position error bound; Computer Science Applications; Electrical and Electronic Engineering; Applied Mathematics; Satellites; Computer Science - Information Theory; eess.SP; Mathematics - Information Theory
Abstract :
[en] 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.
Disciplines :
Electrical & electronics engineering
Author, co-author :
You, Li ; Southeast University, National Mobile Communications Research Laboratory, Nanjing, China ; Purple Mountain Laboratories, Nanjing, China
Qiang, Xiaoyu; Southeast University, National Mobile Communications Research Laboratory, Nanjing, China ; Purple Mountain Laboratories, Nanjing, China
Zhu, Yongxiang ; Southeast University, National Mobile Communications Research Laboratory, Nanjing, China ; Purple Mountain Laboratories, Nanjing, China
Jiang, Fan ; Halmstad University, School of Information Technology, Halmstad, Sweden ; Peng Cheng Laboratory, Shenzhen, China
Tsinos, Christos G. ; National and Kapodistrian University of Athens, Evripus Campus, Department of Digital Industry Technologies, Athens, Greece
Wang, Wenjin ; Southeast University, National Mobile Communications Research Laboratory, Nanjing, China ; Purple Mountain Laboratories, Nanjing, China
Wymeersch, Henk ; Chalmers University of Technology, Department of Electrical Engineering, Gothenburg, Sweden
Gao, Xiqi ; Southeast University, National Mobile Communications Research Laboratory, Nanjing, China ; Purple Mountain Laboratories, Nanjing, China
OTTERSTEN, Björn ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > PI Ottersten
External co-authors :
yes
Language :
English
Title :
Integrated Communications and Localization for Massive MIMO LEO Satellite Systems
Publication date :
2024
Journal title :
IEEE Transactions on Wireless Communications
ISSN :
1536-1276
eISSN :
1558-2248
Publisher :
Institute of Electrical and Electronics Engineers Inc.
National Natural Science Foundation of China for Outstanding Young Scholars Key Technologies Research and Development Program of Jiangsu Natural Science Foundation of Jiangsu Province National Natural Science Foundation of China Natural Science Foundation on Frontier Leading Technology Basic Research Project of Jiangsu Jiangsu Province Basic Research Project Fundamental Research Funds for the Central Universities Major Key Project of PCL Luxembourg National Research Fund (FNR) through the projects MEGALEO and DISBUS
Funding text :
This work was supported in part by the National Natural Science Foundation of China for Outstanding Young Scholars under Grant 62322104, in part by the Key Technologies Research and Development Program of Jiangsu (Prospective and Key Technologies for Industry) under Grant BE2022067 and Grant BE2022067-5, in part by the Natural Science Foundation of Jiangsu Province under Grant BK20231415, in part by the National Natural Science Foundation of China under Grant 62341110 and Grant 62371122, in part by the Natural Science Foundation on Frontier Leading Technology Basic Research Project of Jiangsu under Grant BK20222001, in part by Jiangsu Province Basic Research Project under Grant BK20192002, and in part by the Fundamental Research Funds for the Central Universities under Grant 2242022k60007 and Grant 2242023K5003. The work of Fan Jiang was supported in part by the Major Key Project of PCL. The work of Christos G. Tsinos and Bj\u00F6rn Ottersten was supported by the Luxembourg National Research Fund (FNR) through the projects MEGALEO and DISBUS. An earlier version of this paper was presented in part at ICC'2023 [DOI: 10.1109/ICC45041.2023.10279396]. The authors would like to thank the editor and the anonymous reviewers for their constructive comments and suggestions.
Commentary :
14 pages, 7 figures, to appear in IEEE Transactions on Wireless
Communications
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