Performance Analysis for AOA-based Localization under Millimeter-Wave Wireless Networks

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

3 Scopus Citations
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Original languageEnglish
Pages (from-to)17221-17230
Journal / PublicationIEEE Access
Online published7 Feb 2022
Publication statusPublished - 2022



Millimeter-Wave (mmWave) communication is a promising solution for achieving high data rate and low latency in 5G wireless networks. Since directional beamforming and antenna arrays are exploited in the mmWave networks, accurate angle-of-arrival (AOA) measurements can be obtained and utilized for localization purposes. In this work, we consider the AOA-based positioning for the mmWave networks using stochastic geometry and analyze how the Cramér-Rao lower bound (CRLB) is affected by the spatial distribution of nodes, including the target and participating anchors. In order to apply the CRLB on a network setting with random node locations, we propose an accurate approximation of the CRLB using the ⌈L/4⌉-th value of the ordered distances where L is the number of participating anchors. These findings provide us deep insight into optimum network design that meets specified localization requirements.

Research Area(s)

  • 5G mobile communication, angle-of-arrival, Antenna arrays, Millimeter-wave, localizability, Cramér-Rao lower bound

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