A Fuzzy Inter-Ring Route Control with PRNN Predictor Bridged Resilient Packet Rings

Wen-Shiang Tang, Chung-Ju Chang

Research output: Contribution to conferencePaperpeer-review

3 Scopus citations


In this paper, we propose an intelligent inter-ring route control, called fuzzy inter-ring route control with PRNN predictor (FIRC-P), for the bridged resilient packet rings (BRPR). The FIRC-P contains three functional blocks implemented by fuzzy logic systems or pipeline recurrent neural networks (PRNN): fuzzy bridge-node congestion indicator (FBCI), PRNN downstream-node fairness predictor (PDFP), and fuzzy route controller (FRC). The determination of the FIRC-P is based on the load balancing principle, in which the CW or CCW ringlet with lower congestion degree and higher service rate will be chosen. Simulation results show that the FIRC-P improves the performance by about 10% and 220% in packet dropping probability, by about 13% and 18% in average packet delay, and by about 6% and 19% in throughput over the queue length threshold route controller (QTRC) and the shortest path route controller (SPRC), respectively.
Original languageAmerican English
StatePublished - 6 Dec 2010
EventIEEE Global Telecommunications Conference (GLOBECOM 2010) - Miami Florida, United States
Duration: 6 Dec 201010 Dec 2010


ConferenceIEEE Global Telecommunications Conference (GLOBECOM 2010)
CountryUnited States
CityMiami Florida



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