Abstract
With the development of networks, Vehicular Ad-hoc Networks (VANETs) which act as the emerging application enhance the potential power of networks on the traffic safety and the entertainment. However, the high mobility and the dynamic nature of VANETs lead to the unreliable link which causes unreachable transmission and degrades the performance of the routing protocol in terms of the quality of experience (QoE). To provide a reliable routing for the data transmission, a self-adaptive and link-aware beaconless forwarding (SLBF) protocol is proposed. Based on the receiver based forwarding (RBF) scheme, SLBF designs a self-adaptive forwarding zone which is used to make the candidate nodes accurate. Furthermore, it proposes a comprehensive algorithm to calculate the waiting time by taking the greedy strategy, link quality, and the traffic load into account. With the NS-2 simulator, the performance of SLBF is demonstrated. The results show that the SLBF makes a great improvement in the delivery ratio, the end-to-end delay, and the average hops.
Highlights
With the existence of the Dedicated Short Range Communication (DSRC), Vehicular Ad-hoc Networks (VANETs) [1], which derive from the Mobile Ad-hoc Networks (MANETs), enhance applications for Internet service [2]
Three key quality of service (QoS) metrics, which are significant for quality of experience (QoE), are used to measure the performance of the proposed self-adaptive and link-aware beaconless forwarding (SLBF)
Data transmission over VANETs enhances the application in traffic safety and entertainment significantly
Summary
With the existence of the Dedicated Short Range Communication (DSRC), Vehicular Ad-hoc Networks (VANETs) [1], which derive from the Mobile Ad-hoc Networks (MANETs), enhance applications for Internet service [2]. The delivery of entertainment information over VANETs helps the passengers consume time or even enjoy the trip All those applications call for the trustful routing protocol. In this paper, considering both the feature of VANETs and the challenge of data transmission, a novel protocol, namely, self-adaptive and link-aware beaconless forwarding (SLBF), is proposed, which uses the receiver based forwarding scheme. It includes two important issues: the definition of forwarding zone and calculation algorithm of waiting time.
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