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http://hdl.handle.net/10397/35927
Title: | A methodology for studying 802.11p VANET broadcasting performance with practical vehicle distribution | Authors: | Qiu, HJF Ho, IWH Tse, CK Xie, Y |
Issue Date: | Oct-2015 | Source: | IEEE transactions on vehicular technology, Oct. 2015, v. 64, no. 10, p. 4756-4769 | Abstract: | In a vehicular ad hoc network (VANET), the performance of the communication protocol is heavily influenced by the vehicular density dynamics. However, most of the previous works on VANET performance modeling paid little attention to vehicle distribution or simply assumed homogeneous car distribution. It is obvious that vehicles are distributed nonhomogeneously along a road segment due to traffic signals and speed limits at different portions of the road, as well as vehicle interactions that are significant on busy streets. In light of the inadequacy, in this paper, we present an original methodology to study the broadcasting performance of 802.11p VANETs with practical vehicle distribution in urban environments. First, we adopt the empirically verified stochastic traffic models, which incorporate the effect of urban settings (such as traffic lights and vehicle interactions) on car distribution and generate practical vehicular density profiles. Corresponding 802.11p protocol and performance models are then developed. When coupled with the traffic models, they can predict broadcasting efficiency, delay, and throughput performances of 802.11p VANETs based on the knowledge of car density at each location on the road. Extensive simulation is conducted to verify the accuracy of the developed mathematical models with the consideration of vehicle interaction. In general, our results demonstrate the applicability of the proposed methodology on modeling protocol performance in practical signalized road networks and shed insights into the design and development of future communication protocols and networking functions for VANETs. | Keywords: | Broadcasting performance modeling IEEE 802.11p Stochastic traffic modeling Vehicular ad hoc network (VANET) |
Publisher: | Institute of Electrical and Electronics Engineers | Journal: | IEEE transactions on vehicular technology | ISSN: | 0018-9545 | EISSN: | 1939-9359 | DOI: | 10.1109/TVT.2014.2367037 | Rights: | © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. ||The following publication H. J. F. Qiu, I. W. -H. Ho, C. K. Tse and Y. Xie, "A Methodology for Studying 802.11p VANET Broadcasting Performance With Practical Vehicle Distribution," in IEEE Transactions on Vehicular Technology, vol. 64, no. 10, pp. 4756-4769, Oct. 2015 is available at https://doi.org/10.1109/TVT.2014.2367037. |
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