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Localization With Distributed MIMO Using a High-Speed Sigma-Delta-Over-Fiber Testbed
IEEE Microwave and Wireless Components Letters ( IF 2.9 ) Pub Date : 2022-03-21 , DOI: 10.1109/lmwc.2022.3157144
Musa Furkan Keskin 1 , Ibrahim Can Sezgin 2 , Husileng Bao 3 , Henk Wymeersch 1 , Christian Fager 3
Affiliation  

Distributed MIMO (D-MIMO) with synchronized access points (APs) is a promising architecture for both communications and localization in 5G and beyond systems. In this letter, we develop a time-difference-of-arrival (TDOA)-based indoor localization system using a 2.35-GHz high-speed sigma-delta-over-fiber (SDoF) D-MIMO testbed with 40-MHz bandwidth, exploiting the fully synchronized nature of the APs. Experimental results over an area of size 100 m2 demonstrate accuracies below 0.2 m and agree with the theoretical Cramér–Rao bounds (CRBs) at most measurement locations, indicating the localization capability of high-speed SDoF D-MIMO.

中文翻译:


使用高速 Sigma-Delta 光纤测试台进行分布式 MIMO 本地化



具有同步接入点 (AP) 的分布式 MIMO (D-MIMO) 是一种很有前途的架构,适用于 5G 及其他系统中的通信和本地化。在这封信中,我们使用带宽为 40 MHz 的 2.35 GHz 高速光纤西格玛德尔塔 (SDoF) D-MIMO 测试台开发了一种基于到达时间差 (TDOA) 的室内定位系统,利用 AP 的完全同步特性。 100 m2 面积上的实验结果表明,精度低于 0.2 m,并且与大多数测量位置的理论 Cramér-Rao 界限 (CRB) 一致,表明了高速 SDoF D-MIMO 的定位能力。
更新日期:2022-03-21
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