Abstract

According to the research of VANET routing protocol, an improved protocol SN-GPSR has been proposed. It is based on the sensitive nodes. The nodes select routing through a special position and steady speed under GPSR protocol. In a crossroads scenario, we designed a vehicular mobility model and simulated it using NS-2. By analyzing the results, the network performance parameters of SN-GPSR have improved above the GPSR, such as delay, packet loss and others.

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