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WSN11-2: Cross-Layer Design for Mobile Ad Hoc Networks Using Interval Type-2 Fuzzy Logic Systems

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2 Author(s)
Xinsheng Xia ; Dept. of Electr. Eng., Univ. of Texas at Arlington, Arlington, TX ; Qilian Liang

In this paper, we introduce a new method for packet transmission delay analysis and prediction in mobile ad hoc networks. We apply a fuzzy logic system (FLS) to coordinate physical layer and data link layer. We demonstrate that type- 2 fuzzy membership function (MF), i.e., the Gaussian MFs with uncertain variance is most appropriate to model BER and MAC layer service time. Two FLSs: a singleton type-1 FLS and an interval type-2 FLS are designed to predict the packet transmission delay based on the BER and MAC layer service time. Simulation results show that the interval type-2 FLS performs much better than the type-1 FLS in transimission delay prediction. We use the forecasted transimission delay to adjust the transmission power, and it shows that the interval type-2 FLS performs much better than a type-1 FLS in terms of energy consumption, average delay and throughput. Besides, we obtain the performance bound based on the actual transmission delay.

Published in:

Global Telecommunications Conference, 2006. GLOBECOM '06. IEEE

Date of Conference:

Nov. 27 2006-Dec. 1 2006