Asynchronous RIS-Assisted Localization: A Comprehensive Analysis of Fundamental Limits

The reconfigurable intelligent surface (RIS) has drawn considerable attention for its ability to enhance the performance of not only the wireless communication but also the indoor localization with low-cost. This paper investigates the performance limits of the RIS-based near-field localization in t...

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Veröffentlicht in:	IEEE transactions on wireless communications 2024-09, Vol.23 (9), p.10974-10989
Hauptverfasser:	Gong, Ziyi, Wu, Liang, Zhang, Zaichen, Dang, Jian, Wu, Yongpeng, Wang, Jiangzhou
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna arrays Cost analysis Cramér–Rao lower bound (CRLB) equivalent Fisher information (EFI) Error analysis Far fields Fisher information Impact analysis Localization Location awareness Near fields near-field localization Performance degradation Position errors Reconfigurable intelligent surface (RIS) Reconfigurable intelligent surfaces Signal to noise ratio Synchronization Vectors Wireless communication Wireless communications
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