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End-to-End Delay Bound Analysis for Location-Based Routing in Hybrid Vehicular Networks - 2015

Research Area:  Vehicular Ad Hoc Networks


There is an ongoing debate in the research and industry communities as to whether IEEE 802.11p or Third-Generation Partnership Project (3GPP) Long-Term Evolution (LTE) should be used for vehicular communications. In this paper, we argue that a hybrid vehicular network combining both technologies can increase the performance of the system. We first propose a mechanism to improve location-based routing in a hybrid vehicular network architecture by data and signaling traffic separation on independent wireless networks. We then develop analytical models to calculate the stochastic upper bound of the end-to-end delay (E2ED) for location-based routing in three different networking architecture alternatives based on a) short-range ad hoc only, b) cellular only, and c) the proposed hybrid ad hoc/cellular network. The analytical approach in this paper is based on the stochastic network calculus (SNC) theory, which provides a solid and uniform framework for analysis of the upper bound of the E2ED in communication networks. It is demonstrated that the proposed hybrid network provides a lower E2ED compared with the other two alternatives. Comparisons of realistic simulation results, carried out in NS-3, and analytical results show that the proposed delay bounds provide relatively tight approximations for the E2ED in the three alternative architectures for vehicular networks investigated in this paper.

Author(s) Name:  Konstantinos Katsaros,Mehrdad Dianati,Rahim Tafazolli and Xiaolong Guo

Journal name:   IEEE Transactions on Vehicular Technology

Conferrence name:  

Publisher name:  IEEE

DOI:  10.1109/TVT.2015.2482362

Volume Information:  Volume: 65, Issue: 9, Sept. 2016