Coverage Analysis for Reconfigurable Intelligent Surface-Assisted Cellular Networks Over Nakagami-<i>m</i> Fading Channels

Zhao, Donglai; Wang, Gang; Chen, Guanyi; Jia, Shaobo

doi:10.1109/lcomm.2023.3234913

Cited by 4 publications

(1 citation statement)

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“…Reconfigurable intelligent surfaces (RISs), consisting of elementary units called metaatoms, can control wireless propagation, enhance link capacity, increase physical layer security, and extend network coverage by manipulating the phase and amplitude of reflected or refracted electromagnetic waves [1]. The emergence of RISs has changed the inherent paradigm of wireless communication system design, from passively adapting to the wireless environment to actively reshaping the electromagnetic environment [2].…”

Section: Introductionmentioning

confidence: 99%

Reconfigurable Intelligent Surface-Assisted Millimeter Wave Networks: Cell Association and Coverage Analysis

Zhao,

Wang,

Wang

et al. 2023

Electronics

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Reconfigurable intelligent surface (RIS) is emerging as a promising technology to achieve coverage enhancement. This paper develops a tractable analytical framework based on stochastic geometry for performance analysis of RIS-assisted millimeter wave networks. Based on the framework, a two-step cell association criterion is proposed, and the analytical expressions of the user association probability and the coverage probability in general scenarios are derived. In addition, the closed-form expressions of the two performance metrics in special cases are also provided. The simulation results verify the accuracy of the theoretically derived analytical expressions, and reveal the superiority of deploying RISs in millimeter wave networks and the effectiveness of the proposed cell association scheme to improve coverage. Furthermore, the effects of the RIS parameters and the BS density on coverage performance are also investigated.

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Section: Introductionmentioning

confidence: 99%