NDLI: Fuzzy adaptive guard channel assignment strategy for handoff in PCS system

Content Provider	IEEE Xplore Digital Library
Author	ChoongHo Cho YouChang Ko Hyung Lee-Kwang
Copyright Year	1997
Description	Author affiliation: Dept. of Comput. Sci., Korea Univ., Seoul, South Korea (ChoongHo Cho)
Abstract	The known channel allocation schemes in a personal communications service (PCS) operating with fixed guard channels for handoff calls can lead to failure in utilizing the limited channels since the handoff traffic which depends on mobility of users is not always stationary. We use a fuzzy logic controller (FLC) to generate proper guard channels according to the fluctuating handoff traffic pattern so as not to waste or not to lack the valuable resources. Also we introduce the fuzzy adaptive guard channel with handoff queueing scheme (FA GCHQS) which combines FLC with a previous guard channel plus queueing priority scheme (GCHQS). For performance evaluation we regard originating call blocking probability, handoff forced termination probability, and grade of service of the network as the system performance criteria. Finally we show that the proposed method yields better performance than that of a previous one through the analytical results of an M/M/C/K queueing model on an assumed handoff traffic pattern of a city environment.
Starting Page	1511
Ending Page	1517
File Size	573402
Page Count	7
File Format	PDF
ISBN	0780337964
DOI	10.1109/FUZZY.1997.619767
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-07-05
Publisher Place	Barcelona
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Personal communication networks Traffic control Communication system traffic control Channel allocation Fuzzy logic System performance Pattern analysis Performance analysis Queueing analysis Telecommunication traffic
Content Type	Text
Resource Type	Article

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