대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

무선 매체 접근 제어 프로토콜 상에서의 음성/데이타 통합 시스템을 위한 뉴로 퍼지 제어기 설계

Design of a NeuroFuzzy Controller for the Integrated System of Voice and Data Over Wireless Medium Access Control Protocol

  • 최원석 (고려대학교 전기전자전파공학부) ;
  • 김응주 (고려대학교 전기전자전파공학부) ;
  • 김범수 (고려대학교 전기전자전파공학부) ;
  • 임묘택 (고려대학교 전기전자전파공학부)
  • Choi, Won-Seock (School of Electrical Engineering, Korea University) ;
  • Kim, Eung-Ju (School of Electrical Engineering, Korea University) ;
  • Kim, Beom-Soo (School of Electrical Engineering, Korea University) ;
  • Lim, Myo-Taeg (School of Electrical Engineering, Korea University)
  • 발행 : 2001.07.18
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초록

In this paper, a NeuroFuzzy controller (NFC) with enhanced packet reservation multiple access (PRMA) protocol for QoS-guaranteed multimedia communication systems is proposed. The enhanced PRMA protocol adopts mini-slot technique for reducing contention cost, and these minislot are futher partitioned into multiple MAC regions for access requests coming from users with their respective QoS (quality-of-service) requirements. And NFC is designed to properly determine the MAC regions and access probability for enhancing the PRMA efficiency under QoS constraint. It mainly contains voice traffic estimator including the slot information estimator with recurrent neural networks (RNNs) using real-time recurrent learning (RTRL), and fuzzy logic controller with Mandani- and Sugeno-type of fuzzy rules. Simulation results show that the enhanced PRMA protocol with NFC can guarantee QoS requirements for all traffic loads and further achieves higher system utilization and less non real-time packet delay, compared to previously studied PRMA, IPRMA, SIR, HAR, and F2RAC.

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