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A VDTN scheme with enhanced buffer management


Vehicular delay tolerant networks (VDTNs) enable communications in sparse vehicular ad-hoc networks and other challenged environments where traditional networking approaches fail. We propose a VDTN routing scheme that combines the message deliver strategy of PRoPHET protocol, the message copy control strategy of Spray-and-Wait protocol and an enhanced buffer management scheme. In our proposal, the buffer management scheme is designed to improve certain network performance goals, namely, maximizing the average delivery ratio and minimizing the average delivery delay. Furthermore, we use computer simulations to show that the proposed routing scheme achieves better system performance than the existing baseline routing protocols.

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This research was supported in part by JSPS KAKENHI Grant Number 18KK0279, 19H04093, JST-Mirai Program Grant Number JPMJMI17B3, and the Telecommunications Advanced Foundation.

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Correspondence to Celimuge Wu.

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Du, Z., Wu, C., Chen, X. et al. A VDTN scheme with enhanced buffer management. Wireless Netw 26, 1537–1548 (2020).

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  • Vehicular delay tolerant networks
  • Routing protocol
  • Buffer management