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Time-Dependent Performance Analysis of IEEE 802.11p Vehicular Networks

Xu, K and Tipper, D and Qian, Y and Krishnamurthy, P (2016) Time-Dependent Performance Analysis of IEEE 802.11p Vehicular Networks. IEEE Transactions on Vehicular Technology, 65 (7). 5637 - 5651. ISSN 0018-9545

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The performance of vehicular ad hoc networks (VANETs) is subject to frequent changes due to node mobility so that nonstationary/transient network behavior always exists. In addition, safety applications in VANETs are very sensitive to the real-time performance of delay and packet delivery ratio (PDR). Although there are extensive studies on the steady-state (SS) performance analysis of vehicular networks, little work exists on evaluating their time-varying behavior. In this paper, we develop a performance model to efficiently estimate the dynamic behavior of VANETs. In this paper, vehicle's transmission queue is modeled using fluid-flow (FF)-based differential equations, which are solved using numerical methods, whereas the network hearing topology is modeled by a time-varying adjacency matrix that can be determined from stochastic models, measurements, or discrete event simulations. Numerical results illustrate that our performance model is able to promptly respond to the ongoing dynamic conditions of VANETs and provide reasonably accurate performance results.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Xu, K
Tipper, Ddtipper@pitt.eduDTIPPER0000-0002-9429-6425
Qian, Y
Krishnamurthy, Pprashk@pitt.eduPRASHK
Date: 1 July 2016
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: IEEE Transactions on Vehicular Technology
Volume: 65
Number: 7
Page Range: 5637 - 5651
DOI or Unique Handle: 10.1109/tvt.2015.2470113
Institution: University of Pittsburgh
Schools and Programs: School of Information Sciences > Telecommunications
Refereed: Yes
ISSN: 0018-9545
Date Deposited: 29 Jun 2016 15:20
Last Modified: 30 Mar 2021 13:56


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