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Pushing the envelope of indoor wireless spatial reuse using directional access points and clients

Published: 20 September 2010 Publication History

Abstract

Recent work demonstrates that directional antennas have significant potential to improve wireless network capacity in indoor environments. This paper provides a broader exploration of the design space of indoor directional antenna systems along two main dimensions: antenna configuration and antenna control. Studying a number of alternative configurations, we find that directionality on APs and clients can significantly improve performance, even over other configurations with stronger directionality. Moreover, it is sufficient to have a small number of narrow beam antennas to achieve such gains, thus making such a solution practical for actual deployment. Designing systems with directional APs and clients for increased spatial reuse comes, however, with a number of challenges in the way the directional antennas are controlled. Antenna control needs to encompass antenna orientation algorithms, an appropriate MAC layer protocol, and novel client-AP association solutions. To overcome these challenges, we propose Speed, a distributed directional antenna control system that is easy to deploy and significantly improves network capacity over existing solutions.

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      cover image ACM Conferences
      MobiCom '10: Proceedings of the sixteenth annual international conference on Mobile computing and networking
      September 2010
      402 pages
      ISBN:9781450301817
      DOI:10.1145/1859995
      • General Chair:
      • Nitin Vaidya,
      • Program Chairs:
      • Suman Banerjee,
      • Dina Katabi
      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: 20 September 2010

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      Author Tags

      1. directional antenna
      2. indoor wireless capacity

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      Cited By

      View all
      • (2024)Comparative Study of MAC Protocols for Wireless Mesh NetworkWireless Personal Communications: An International Journal10.1007/s11277-024-11114-2135:3(1473-1495)Online publication date: 1-Apr-2024
      • (2023)RIStealth: Practical and Covert Physical-Layer Attack against WiFi-based Intrusion Detection via Reconfigurable Intelligent SurfaceProceedings of the 21st ACM Conference on Embedded Networked Sensor Systems10.1145/3625687.3625790(195-208)Online publication date: 12-Nov-2023
      • (2020)Distributed algorithm for AP association with random arrivals and departures of usersIET Communications10.1049/iet-com.2019.081714:5(846-856)Online publication date: Mar-2020
      • (2018)Asynchronously Coordinated Multi-Timescale Beamforming Architecture for Multi-Cell NetworksIEEE/ACM Transactions on Networking10.1109/TNET.2017.276656226:1(61-75)Online publication date: 1-Feb-2018
      • (2016)Enhancing indoor spatial reuse through adaptive antenna beamsteeringProceedings of the Tenth ACM International Workshop on Wireless Network Testbeds, Experimental Evaluation, and Characterization10.1145/2980159.2980170(81-82)Online publication date: 3-Oct-2016
      • (2016)Cross-Layer Optimization for Multi-Hop Wireless Networks With Successive Interference CancellationIEEE Transactions on Wireless Communications10.1109/TWC.2016.257168515:8(5819-5831)Online publication date: 1-Aug-2016
      • (2016)Joint Multicell Beamforming and Client Association in OFDMA Small-Cell NetworksIEEE Transactions on Mobile Computing10.1109/TMC.2015.249658615:9(2260-2274)Online publication date: 1-Sep-2016
      • (2016)Beam Configuration and Client Association for Access Points with Switched Beam AntennasIEEE Transactions on Mobile Computing10.1109/TMC.2015.249256215:9(2179-2192)Online publication date: 1-Sep-2016
      • (2016)Directional Antennas for Convergecast in Wireless Sensor Networks: Are They a Good Idea?2016 IEEE 13th International Conference on Mobile Ad Hoc and Sensor Systems (MASS)10.1109/MASS.2016.031(172-182)Online publication date: Oct-2016
      • (2015)Directional Transmissions and Receptions for High-throughput Bulk Forwarding in Wireless Sensor NetworksProceedings of the 13th ACM Conference on Embedded Networked Sensor Systems10.1145/2809695.2809720(351-364)Online publication date: 1-Nov-2015
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