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Collaborative vehicular content dissemination with directional antennas

Record type: Article

We study the performance of collaborative vehicular content dissemination, where the content is distributed within the network by vehicle-to-vehicle opportunistic communications and the vehicle nodes are equipped with directional antennas. Through analysing a large real-world vehicle trace, we adopt an accurate mobility model of Levy-walk to set up the realistic vehicular network simulation environment. Using a fluid approximation, we derive a theoretical model to depict the system performance of content dissemination time. The accuracy of the proposed analysis is confirmed by simulation results, which also show that the directional antenna performs better than the omnidirectional antenna in our considered scenario, especially when the antenna beam is well scheduled with small beamwidth andhigh beam steering rate.

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Citation

Li, Yong, Wang, Zhaocheng, Jin, Depeng, Zeng, Lieguang and Chen, Sheng (2012) Collaborative vehicular content dissemination with directional antennas IEEE Transactions on Wireless Communications, 11, (4), Spring Issue, pp. 1301-1306. (doi:10.1109/TWC.2012.021512.111252).

More information

Published date: April 2012
Additional Information: collaborative content dissemination, vehicular networks, l´evy-walk mobility, directional antennas
Keywords: collaborative content dissemination, vehicular networks, l´evy-walk mobility, directional antennas
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 337081
URI: http://eprints.soton.ac.uk/id/eprint/337081
PURE UUID: c39a07c1-8705-405c-b3ab-4353509994d5

Catalogue record

Date deposited: 17 Apr 2012 12:47
Last modified: 18 Jul 2017 06:05

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Contributors

Author: Yong Li
Author: Zhaocheng Wang
Author: Depeng Jin
Author: Lieguang Zeng
Author: Sheng Chen

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