Working Paper Article Version 1 This version is not peer-reviewed

FQ-AGO: Fuzzy Logic Q-learning Based Asymmetric Link Aware and Geographic Opportunistic Routing Scheme for MANETs

Version 1 : Received: 2 March 2020 / Approved: 4 March 2020 / Online: 4 March 2020 (05:12:33 CET)

A peer-reviewed article of this Preprint also exists.

Alshehri, A.; Badawy, A.-H.A.; Huang, H. FQ-AGO: Fuzzy Logic Q-Learning Based Asymmetric Link Aware and Geographic Opportunistic Routing Scheme for MANETs. Electronics 2020, 9, 576. Alshehri, A.; Badawy, A.-H.A.; Huang, H. FQ-AGO: Fuzzy Logic Q-Learning Based Asymmetric Link Aware and Geographic Opportunistic Routing Scheme for MANETs. Electronics 2020, 9, 576.

Journal reference: Electronics 2020, 9, 576
DOI: 10.3390/electronics9040576

Abstract

The proliferation of mobile and IoT devices, coupled with the advances in the wireless communication capabilities of these devices, have urged the need for novel communication paradigms for such heterogeneous hybrid networks. Researchers have proposed opportunistic routing as a means to leverage the potentials offered by such heterogeneous networks. While several proposals for multiple opportunistic routing protocols exist, only a few have explored fuzzy logic to evaluate wireless links status in the network to construct stable and faster paths towards the destinations. We propose FQ-AGO, a novel Fuzzy Logic Q-learning Based Asymmetric Link Aware and Geographic Opportunistic Routing scheme that leverages the presence of long-range transmission links to assign forwarding candidates towards a given destination. The proposed routing scheme utilizes fuzzy logic to evaluate whether a wireless link is useful or not by capturing multiple network metrics, the available bandwidth, link quality, node transmission power, and distance progress. Based on the fuzzy logic evaluation, the proposed routing scheme employs a Q-learning algorithm to select the best candidate set toward the destination. We implement FQ-AGO on the NS-3 simulator and compare the performance of the proposed routing scheme with three other relevant protocols: AODV, DSDV, and GOR. For precise analysis, we consider various network metrics to compare the performance of the routing protocols. Our simulation result validates our analysis and demonstrates remarkable performance improvements in terms of total network throughput, packet delivery ration, and end-to-end delay.

Subject Areas

Fuzzy logic; Q-learning; routing protocol; mobile ad hoc network (MANETs); opportunistic network

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