Analytical study of the IEEE 802.11p MAC sublayer in vehicular networks
Han, C, Dianati, M, Tafazolli, R, Kernchen, R and Shen, X (2012) Analytical study of the IEEE 802.11p MAC sublayer in vehicular networks IEEE Transactions on Intelligent Transportation Systems, 13 (2). 873 - 886. ISSN 1524-9050
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Official URL: http://dx.doi.org/10.1109/TITS.2012.2183366
This paper proposes an analytical model for the throughput of the enhanced distributed channel access (EDCA) mechanism in the IEEE 802.11p medium-access control (MAC) sublayer. Features in EDCA such as different contention windows (CW) and arbitration interframe space (AIFS) for each access category (AC) and internal collisions are taken into account. The analytical model is suitable for both basic access and the request-to-send/clear-to-send (RTS/CTS) access mode. Different from most of existing 3-D or 4-D Markov-chain-based analytical models for IEEE 802.11e EDCA, without computation complexity, the proposed analytical model is explicitly solvable and applies to four access categories of traffic in the IEEE 802.11p. The proposed model can be used for large-scale network analysis and validation of network simulators under saturated traffic conditions. Simulation results are given to demonstrate the accuracy of the analytical model. In addition, we investigate service differentiation capabilities of the IEEE 802.11p MAC sublayer. © 2011 IEEE.
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|Divisions:||Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research|
|Deposited By:||Symplectic Elements|
|Deposited On:||16 Oct 2012 11:12|
|Last Modified:||11 Jun 2013 14:40|
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