NDLI: Performance analysis of preemptive handoff scheme for integrated wireless mobile networks

Content Provider	IEEE Xplore Digital Library
Author	Jingao Wang Qing-An Zeng Agrawal, D.P.
Copyright Year	2001
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Cincinnati Univ., OH, USA (Jingao Wang)
Abstract	We propose and analyze a preemptive handoff scheme for an integrated real-time and non real-time service wireless mobile network. The total channels of each cell are divided into three parts, one is for real-time service calls only, the second is for non real-time service calls only, and the last one is for overflowed handoff requests that can not be served in the first two parts. Out of third part, a few channels are reserved exclusively for the real-time handoffs service. To give the real-time service handoff requests higher priority over non-real-time service handoff requests, the real-time service handoff request is allowed to preempt the non-real-time service call when it finds no channel available on its arrival. The interrupted non-real-time service call returns back to the non-real-time service handoff request queue. The system is modeled by a multi-dimensional Markov chain and a numerical analysis is presented to estimate blocking probabilities of originating calls, forced termination probability of real-time service handoff requests calls, and average transmission delay of non-real-time service calls. This scheme is also simulated using extensive runs and both results are observed to agree fairly well. It is seen that the forced termination probability of real-time service calls is significantly reduced with our scheme while the probability of packet loss of non-real-time transmission is made to be negligibly small, as a non- real-time service handoff request can be transferred from the queue of current base station to another one.
Starting Page	3277
Ending Page	3281
File Size	95266
Page Count	5
File Format	PDF
ISBN	0780372069
DOI	10.1109/GLOCOM.2001.966292
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-11-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Telecommunication traffic Delay estimation Traffic control Mobile computing Computer science Numerical analysis Delay effects Propagation losses Base stations
Content Type	Text
Resource Type	Article

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