Localization in NLOS Conditions using Large Reconfigurable Intelligent Surfaces

被引：7
|
作者：
Dardari, Davide [1 ]
Decarli, Nicolo [2 ]
Guerra, Anna [1 ]
Guidi, Francesco [2 ]
机构：
[1] Univ Bologna, WiLab CNIT, DEI, I-47521 Cesena, Italy
[2] CNR IEIIT, Viale Risorgimento 2, Bologna, Italy
来源：
SPAWC 2021: 2021 IEEE 22ND INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (IEEE SPAWC 2021) | 2020年
关键词：
Localization; reconfigurable intelligent surfaces; near-field; NLOS; OFDM; NETWORK LOCALIZATION; OPPORTUNITIES;
D O I：
10.1109/SPAWC51858.2021.9593241
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：
This paper proposes a low-complexity practical algorithm to localize mobile users under NLOS channel conditions using a single base station and a large reconfigurable intelligent surface (RIS). The numerical results show the trade-off between localization accuracy and latency as well as the robustness of the localization algorithm to the presence of synchronization mismatches. An analysis of the soft-coverage capability, i.e., the possibility of maintaining a high level of localization accuracy with RISs that are partially obstructed is also provided.
引用
收藏
页码：551 / 555
页数：5
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