Uplink medium access control for WLANs with multi-beam access point

Jianfeng Wang, Yuguang Fang, Dapeng Wu

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

4 Citations (Scopus)

Abstract

We consider the CSMA/CA based uplink Medium Access Control (MAC) protocol design for a wireless local area network (WLAN) with the use of multi-beam directional antennas at the access point. Our MAC protocol intends to fully utilize the spatial reuse by allowing as many parallel uplink data transmissions as possible. Since all nodes including the access point run in the contention-based MAC protocol, it is not easy to realize multiple collision-free parallel data transmissions while preserving the ad hoc nature of CSMA/CA based MAC. In addition to improving channel efficiency, we also consider the backward compatibility in our design, whereby a 802.11 limited node can transparently access a multi-beam access point. Our simulation results show that our scheme can improve throughput significantly. © 2005 IEEE.
Original languageEnglish
Title of host publicationGLOBECOM '05
Subtitle of host publicationIEEE Global Telecommunications Conference
PublisherIEEE
Pages3012-3016
ISBN (Print)0-7803-9414-3
DOIs
Publication statusPublished - Nov 2005
Externally publishedYes
EventGLOBECOM'05: IEEE Global Telecommunications Conference, 2005 - St. Louis, MO, United States
Duration: 28 Nov 20052 Dec 2005

Publication series

NameGLOBECOM - IEEE Global Telecommunications Conference
Volume5

Conference

ConferenceGLOBECOM'05: IEEE Global Telecommunications Conference, 2005
PlaceUnited States
CitySt. Louis, MO
Period28/11/052/12/05

Research Keywords

  • Directional antennas
  • Medium access control (MAC)
  • Wireless LAN

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