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2nd International IEEE Workshop on Wireless Personal and Local Area Networks

Research Article

On Utilizing Directional Antenna in 802.11 Networks: Deafness Study

Cite
BibTeX Plain Text
  • @INPROCEEDINGS{10.1109/COMSWA.2007.382502,
        author={Guoqing Li and L.  Lily Yang},
        title={On Utilizing Directional Antenna in 802.11 Networks: Deafness Study},
        proceedings={2nd International IEEE Workshop on Wireless Personal and Local Area Networks},
        publisher={IEEE},
        proceedings_a={WILLOPAN},
        year={2007},
        month={7},
        keywords={Communications technology  Deafness  Degradation  Directional antennas  Interference suppression  Media Access Protocol  Multiaccess communication  Scattering  Throughput  Transmitters},
        doi={10.1109/COMSWA.2007.382502}
    }
    
  • Guoqing Li
    L. Lily Yang
    Year: 2007
    On Utilizing Directional Antenna in 802.11 Networks: Deafness Study
    WILLOPAN
    IEEE
    DOI: 10.1109/COMSWA.2007.382502
Guoqing Li1,*, L. Lily Yang2,*
  • 1: Communication Technology Lab, Intel Corporation 2111 NE 25th Ave, Hillsboro, OR 97124.
  • 2: Communication Technology Lab, Intel Corporation 2111 NE 25th Ave, Hillsboro, OR 97124,
*Contact email: guoqing.c.li@intel.com, lily.l.yang@intel.com

Abstract

This paper presents a performance study of the deafness effect caused by the use of directional antenna in 802.11 networks. We show that different assumptions on antenna and channel model lead to different conclusions on the impact of deafness on network performance. Specifically, it is shown that in the presence of channel scatters between the transmitter and the receiver, directional antenna does not pose significant deafness and performance degradation. We also show that there always exists a CCA (clear-channel-assessment) threshold that eliminates deafness completely, even under existing 802.11 MAC protocols.

Keywords
Communications technology Deafness Degradation Directional antennas Interference suppression Media Access Protocol Multiaccess communication Scattering Throughput Transmitters
Published
2007-07-09
Publisher
IEEE
Modified
2011-07-27
http://dx.doi.org/10.1109/COMSWA.2007.382502
Copyright © 2007–2025 IEEE
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