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Highly Reliable Fuzzy-Logic-Assisted AODV Routing Algorithm for Mobile Ad Hoc Networks.
Jiamin Li1, Mengling Wang1, Pengcheng Zhu1
1National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China.
Sensors (Basel, Switzerland)
|September 10, 2021
Summary
This study introduces a fuzzy-logic-assisted AODV (FL-AODV) routing algorithm for mobile ad hoc networks (MANET). FL-AODV enhances route reliability and connectivity without increasing network delay, outperforming traditional AODV.
Area of Science:
- Computer Science
- Network Engineering
- Wireless Communication
Background:
- Mobile ad hoc networks (MANET) are increasingly vital for infrastructure-less regions due to their decentralized, self-organizing, and self-healing nature.
- On-demand routing protocols like Ad hoc On-Demand Distance Vector (AODV) are essential for managing MANETs' dynamic topologies and reducing overhead.
- Existing protocols face challenges in optimizing route reliability considering factors like node energy and link stability.
Purpose of the Study:
- To propose a novel routing algorithm, fuzzy-logic-assisted AODV (FL-AODV), to enhance route reliability in MANETs.
- To improve upon the performance of traditional AODV and fuzzy logic routing algorithms (FLRA).
- To ensure enhanced reliability without compromising network delay.
Main Methods:
- Developed a fuzzy-logic-assisted AODV (FL-AODV) routing algorithm.
- Incorporated node reliability, stability, and remaining energy into the route discovery phase.
- Selected the most reliable node as a relay and reserved the highest reliability route for data transmission.
Main Results:
- FL-AODV demonstrated significantly higher routing reliability compared to traditional AODV and FLRA.
- The proposed algorithm achieved approximately 18% higher average routing reliability than AODV.
- FL-AODV maintained low average delay, comparable to AODV, especially with over 70 nodes.
Conclusions:
- The FL-AODV algorithm effectively improves route reliability and link connectivity in MANETs.
- It offers a longer route life and better network performance, particularly in large-scale networks.
- FL-AODV presents a viable enhancement for MANET routing protocols, balancing reliability and efficiency.
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