A Packet Reception Probability-Based Reliable Routing Protocol for 3D VANET
- Institute of Electrical and Electronics Engineers (IEEE)
- Publication Type:
- Journal Article
- IEEE Wireless Communications Letters, 2020, 9, (4), pp. 495-498
- Issue Date:
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© 2012 IEEE. In three-dimensional (3D) vehicular ad-hoc network (VANET) scenario, dynamic vehicles, complex node distribution and severe path loss increase the probability of link interruption significantly, which deteriorates the packet reception probability sharply. However, reliability is a crucial issue as efficiency to improve the performance of routing protocol in 3D VANET. In this letter, for the dynamic and multi-level shadowing scenario, we propose a packet reception probability-based reliable routing (PPR) protocol to improve the transmission link reliability. Especially, we introduce a packet reception probability model to characterize the link reliability of 3D network, and the unique characteristics of 3D VANETs are integrated into this model. Then, we formulate the routing decision issue as a constrained multi-objective optimization problem, which attempts to find a link with the highest packet reception probability as the relay link. The simulation results demonstrate that PPR outperforms the existing protocols in the aspects of packet delivery ratio, end-to-end delay and throughput.
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