A Packet Fluctuation-Based OLSR and Efficient Parameters-Based OLSR Routing Protocols for Urban Vehicular Ad Hoc Networks

Today, vehicular ad hoc network (VANET) has become a recognized, emerging technology and is based on the concept of mobile ad hoc networks (MANETs). Here, we bring into account the complications of routing in VANETs. Street-Centric QoS-OLSR convention uses urban-based QoS metric for the choice of OLSR MPR determination. It also uses various link as well as street-centric parameters. Our proposed OLSR protocol uses two main routing protocols. They are: packet fluctuation-based OLSR routing protocol (P-OLSR) and efficient parameter optimization-based OLSR routing protocols (E-OLSR). In the case of P-OLSR, we allot different slots to different packets to avoid congestion and error-free transmission. In the case of E-OLSR, we use load balancing and routing the path to avoid problems in routing the packets. Simulation conducted by NS-3 simulator shows that our proposed P-OLSR and E-OLSR routing protocols outperform street-centric QoS-OLSR convention. Different parameters assessed are throughput, packet delivery ratio (PDR), average hop count as well as end-to-end delay.

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