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Title: A novel adaptive fuzzy logic controller (FLC) to improve Internet channel reliability and response timeliness
Authors: Wong, AKY
Issue Date: 2003
Source: Eighth IEEE International Symposium on Computers and Communication : (ISCC 2003) : proceedings : Kemer-Antalya, Turkey, June 30-July 3, 2003, v. 2, p. 1347-1352
Abstract: The aim of the novel adaptive fuzzy logic controller (FLC) proposed in this paper is to eliminate buffer overflow at the reception side of an Internet channel. The elimination improves channel reliability and leads to shorter service roundtrip time (RTT) because of reduced retransmission. The FLC combines the extant, less adaptive PID controller with fuzzy logic, which divides the original PID control domain into finer fuzzy regions. Then, every region is governed by a predefined fuzzy rule or simply a don't care state that requires no computation or parametric changes. The goal of the don't care states is to offset the FLC complexity so that the controller execution time is reduced. The FLC adaptively maintains the given safety margin Δ of the chosen objective function {0, Δ}2. The value for Δ is normally a preset difference between the buffer length and the queue length. The repeated timing analyses for the FLC with the Intel's VTune performer analyzer confirms its capability for supporting real-time computing efficaciously.
Keywords: Internet
Adaptive control
Fuzzy control
Telecommunication channels
Telecommunication control
Telecommunication network reliability
Three-term control
Publisher: IEEE
ISBN: 0-7695-1961-X
ISSN: 1530-1346
DOI: 10.1109/ISCC.2003.1214300
Appears in Collections:Conference Paper

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