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Networked beamforming in dense mmWave WLANs

Published: 09 March 2022 Publication History

Abstract

Densely deployed base stations/access points (APs) are becoming increasingly common in mmWave networks with the need to provide high capacity and reliability to clients. However, frequent beamforming between clients and APs incurs an unacceptable overhead in densely deployed mmWave WLANs with many APs. This paper presents a novel approach of "networked beamforming" where only a small subset of APs are selected for beamforming in each beacon interval in mmWave WLANs. By building a prediction model based on the concept of uncertainty, our networked beamforming scheme predicts the APs whose beamforming information is likely outdated and needs updating. The proposed approach complements the existing per-link beamforming solutions and extends their effectiveness from link-level to network-level. With experimentation, we show that our scheme can significantly reduce beamforming overhead and improve network capacity for dense mmWave WLANs.

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Cited By

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  • (2023)CoBF: Coordinated Beamforming in Dense mmWave NetworksProceedings of the ACM on Measurement and Analysis of Computing Systems10.1145/35899757:2(1-26)Online publication date: 22-May-2023
  • (2023)Characterizing Real-time Radar-assisted Beamforming in mmWave V2V Links2023 20th Annual IEEE International Conference on Sensing, Communication, and Networking (SECON)10.1109/SECON58729.2023.10287507(168-176)Online publication date: 11-Sep-2023

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cover image ACM Conferences
HotMobile '22: Proceedings of the 23rd Annual International Workshop on Mobile Computing Systems and Applications
March 2022
137 pages
ISBN:9781450392181
DOI:10.1145/3508396
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 09 March 2022

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View all
  • (2023)CoBF: Coordinated Beamforming in Dense mmWave NetworksProceedings of the ACM on Measurement and Analysis of Computing Systems10.1145/35899757:2(1-26)Online publication date: 22-May-2023
  • (2023)Characterizing Real-time Radar-assisted Beamforming in mmWave V2V Links2023 20th Annual IEEE International Conference on Sensing, Communication, and Networking (SECON)10.1109/SECON58729.2023.10287507(168-176)Online publication date: 11-Sep-2023

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