Enhanced scanning scheme for delay-constrained fast handoff in IEEE 802.11 WLANs

Yazan Allawi, Min Gon Kim, Minho Kang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Since channel scanning time in IEEE 802.11 handoff is dominant in total handoff delay time, attention has to be paid to the reduction of channel scanning time for effectively supporting delay - sensitive applications such as Voice over IP (VoIP). Therefore, this paper proposes a new channel scanning scheme that adoptively adopts full channel scanning before, and first satisfaction first reservation scanning after a required delay time obtained from the application layer. Simulation results substantiate that the proposed scheme can keep the total handoff delay as low as possible compared to the required delay while maintaining acceptable Received Signal Strength (RSS) to a Mobile Host (MR) and thus the Quality of Service (QoS) of the applications can be more guaranteed than the conventional and previous schemes.

Original languageEnglish
Title of host publication2008 IEEE International Performance Computing and Communications Conference, IPCCC 2008
Pages422-426
Number of pages5
DOIs
StatePublished - 2008
Externally publishedYes
Event2008 IEEE International Performance Computing and Communications Conference, IPCCC 2008 - Austin, TX, United States
Duration: 7 Dec 20089 Dec 2008

Publication series

NameConference Proceedings of the IEEE International Performance, Computing, and Communications Conference

Conference

Conference2008 IEEE International Performance Computing and Communications Conference, IPCCC 2008
Country/TerritoryUnited States
CityAustin, TX
Period7/12/089/12/08

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