AODV Protocol Simulation for Wireless Ad Hoc Networks
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Resource Overview
This MATLAB-based implementation simulates the Ad Hoc On-Demand Distance Vector (AODV) routing protocol for wireless ad hoc networks. The simulation environment consists of 50 randomly distributed nodes within a 50m×50m area. Users can specify source and destination nodes, and the algorithm computes the shortest path (minimum hop count) between them. The implementation models direct communication ranges where nodes can reach neighboring nodes within their transmission radius in a single hop. Key features include route discovery, path maintenance, and neighbor detection mechanisms.
Detailed Documentation
This project presents a MATLAB implementation of the AODV routing protocol simulation for wireless ad hoc networks. The network configuration comprises 50 nodes randomly distributed across a 50m×50m terrain. The core algorithm allows users to designate source and destination nodes, after which the program computes the optimal path with minimum hop count between them.
The simulation implements crucial AODV components including:
- Route discovery mechanism using route request (RREQ) and route reply (RREP) messages
- Neighbor detection based on transmission range thresholds
- Path maintenance through periodic hello messages and route error handling
Each node maintains a routing table and can only communicate directly with nodes within its predetermined communication range. The implementation uses distance-based calculations to determine single-hop connectivity, where any node within direct communication range is considered one hop away. The code includes visualization capabilities to display node distribution and computed paths, with performance metrics tracking delivery success rates and path efficiency.
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