On improving the performance of IEEE 802.11 with multihop concepts

Hao Zhu, Guohong Cao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

It is well known that IEEE 802.11 provides a physical layer multirate capability. In this paper, we propose a novel MAC layer relay-enabled point coordination function (PCF) protocol, called rPCF, to exploit this capability. With multiple data rates in response to different channel conditions, if the direct link has low data rate, data packets may be delivered faster through a relay node. To enable MAC layer relay, the access point needs to collect information about the channel conditions, and notify mobile nodes which data rate to use and whether to use a relay node. We design protocols to achieve this goal and refine these protocols to minimize the control overhead. Simulation results show that rPCF can significantly improve the system performance in terms of system throughput and transmission delay with a very small control overhead.

Original languageEnglish (US)
Title of host publicationProceedings - 12th International Conference on Computer Communications and Networks, ICCCN 2003
EditorsRonald P. Luijten, E.K. Park, Luiz DaSilva
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages151-156
Number of pages6
ISBN (Electronic)0780379454
DOIs
StatePublished - 2003
Event12th IEEE International Conference on Computer Communications and Networks, ICCCN 2003 - Dallas, United States
Duration: Oct 20 2003Oct 22 2003

Publication series

NameProceedings - International Conference on Computer Communications and Networks, ICCCN
Volume2003-January
ISSN (Print)1095-2055

Other

Other12th IEEE International Conference on Computer Communications and Networks, ICCCN 2003
CountryUnited States
CityDallas
Period10/20/0310/22/03

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Hardware and Architecture
  • Software

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