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VANETs Routing Optimization: Combining Message Priority, Free Nodes, and Mobility Direction
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DOI：10.1109/ACCESS.2025.3537920.png)
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Abstract
En 中文
Vehicular Ad Hoc Networks (VANETs) face challenges due to high vehicle mobility, which leads to frequent changes in network topology and unstable links. To tackle this, we propose a novel routing strategy called MPFD, which enhances message delivery rates and reduces End-to-End (E2E) delay. MPFD operates in two phases. The first phase, the message management phase, prioritizes messages based on urgency and controls message propagation by considering hop count (H) and Time-To-Live (TTL), ensuring only critical messages are forwarded. The second phase, the relay node selection phase, uses free nodes to identify the best relay for forwarding messages. Candidate nodes are evaluated based on community association, movement direction, and proximity to the destination. Simulations show that the MPFD strategy significantly improves message delivery speed, reduces overhead and E2E delay, and enhances the overall message delivery ratio in VANETs.
Keywords:
Routing
Optimization
Relays
Delays
Vehicle dynamics
Vectors
Systems architecture
Routing protocols
Packet loss
Data communication
Vehicle ad-hoc networks
message forwarding
message priority
movement direction
free node
routing policy
Journal
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3.6
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9.8W
Citations:
29.4W