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Efficient MU-MIMO via Switched-beam Antennas

Authors:

Yonglong Zhang,

Konstantinos PsounisAuthors Info & Claims

Mobihoc '17: Proceedings of the 18th ACM International Symposium on Mobile Ad Hoc Networking and Computing

Article No.: 11, Pages 1 - 10

https://doi.org/10.1145/3084041.3084051

Published: 10 July 2017 Publication History

Abstract

The demand for wireless bandwidth is rising to unprecedented levels. The industry has responded with the inclusion of advanced PHY techniques, most notably multi-user (MU) MIMO, in the most recent WiFi and LTE standards. However, despite the theoretical promise for large multiplexing gains, in practice the rate gains are modest due to a combination of large overhead to collect channel state information and not-so-well-conditioned channel matrices.

In this paper we propose to replace omni-directional antennas with inexpensive switched-beam antennas to produce well-conditioned channel matrices for MU-MIMO purposes with very low overhead. Remarkably, experimental results with both software defined radios and commercial WiFi chipsets show that, when appropriate antenna modes are used, this leads to a 3.5x-5x average throughput improvement in indoor environments. What is more, our backward compatible protocol extension coupled with an efficient algorithm to select appropriate antenna modes, achieve the aforementioned gains with almost zero overhead.

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Cited By

Jiang MChin K(2024)Optimizing Sample Delivery in RF-Charging Multi-Hop IoT NetworksIEEE Transactions on Green Communications and Networking10.1109/TGCN.2023.33115908:1(427-440)Online publication date: Mar-2024
https://doi.org/10.1109/TGCN.2023.3311590
Su YWang SCheng QQiu Y(2021)Buffer evaluation model and scheduling strategy for video streaming services in 5G-powered drone using machine learningEURASIP Journal on Image and Video Processing10.1186/s13640-021-00570-62021:1Online publication date: 23-Aug-2021
https://doi.org/10.1186/s13640-021-00570-6
Zhao TLi MDitzler G(2019)Online Reconfigurable Antenna State Selection based on Thompson Sampling2019 International Conference on Computing, Networking and Communications (ICNC)10.1109/ICCNC.2019.8685555(888-893)Online publication date: Feb-2019
https://doi.org/10.1109/ICCNC.2019.8685555
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Index Terms

Efficient MU-MIMO via Switched-beam Antennas
1. Networks

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Published In

cover image ACM Conferences

Mobihoc '17: Proceedings of the 18th ACM International Symposium on Mobile Ad Hoc Networking and Computing

July 2017

309 pages

ISBN:9781450349123

DOI:10.1145/3084041

Copyright © 2017 ACM.

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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SIGMOBILE: ACM Special Interest Group on Mobility of Systems, Users, Data and Computing

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Publication History

Published: 10 July 2017

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Research-article
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Refereed limited

Funding Sources

National Science Foundation
Futurewei Technologies, Inc.

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Mobihoc '17

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SIGMOBILE

Mobihoc '17: The Eighteenth ACM International Symposium on Mobile Ad Hoc Networking and Computing

July 10 - 14, 2017

Chennai, India

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Mobihoc '17 Paper Acceptance Rate 27 of 170 submissions, 16%;

Overall Acceptance Rate 296 of 1,843 submissions, 16%

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Cited By

Jiang MChin K(2024)Optimizing Sample Delivery in RF-Charging Multi-Hop IoT NetworksIEEE Transactions on Green Communications and Networking10.1109/TGCN.2023.33115908:1(427-440)Online publication date: Mar-2024
https://doi.org/10.1109/TGCN.2023.3311590
Su YWang SCheng QQiu Y(2021)Buffer evaluation model and scheduling strategy for video streaming services in 5G-powered drone using machine learningEURASIP Journal on Image and Video Processing10.1186/s13640-021-00570-62021:1Online publication date: 23-Aug-2021
https://doi.org/10.1186/s13640-021-00570-6
Zhao TLi MDitzler G(2019)Online Reconfigurable Antenna State Selection based on Thompson Sampling2019 International Conference on Computing, Networking and Communications (ICNC)10.1109/ICCNC.2019.8685555(888-893)Online publication date: Feb-2019
https://doi.org/10.1109/ICCNC.2019.8685555
Begashaw SRey XDandekar K(2018)Impact of Reconfigurable Antennas on MU-MIMO Over Measurements in a Reverberation Chamber2018 IEEE 88th Vehicular Technology Conference (VTC-Fall)10.1109/VTCFall.2018.8690597(1-5)Online publication date: Aug-2018
https://doi.org/10.1109/VTCFall.2018.8690597
Zhang YPsounis K(2018)Consistently High MIMO Rates via Switched-Beam AntennasIEEE/ACM Transactions on Networking10.1109/TNET.2018.286757626:5(2320-2333)Online publication date: Oct-2018
https://doi.org/10.1109/TNET.2018.2867576

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