Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/12866
Title: Position information dissemination in vehicular ad-hoc networks
Authors: PARINEETH MUNI REDDY
Keywords: Ad hoc network, vehicular network, VANET, Position information dissemination
Issue Date: 22-Mar-2007
Source: PARINEETH MUNI REDDY (2007-03-22). Position information dissemination in vehicular ad-hoc networks. ScholarBank@NUS Repository.
Abstract: Position information dissemination is pivotal in vehicular networks. Accurate position information of neighboring vehicles can help in providing better vehicle navigation and preventing accidents. In this paper, we study the periodic broadcast scheme, the distance based scheme and the velocity prediction scheme for disseminating position information with the desired position accuracy. We analyze the worst case performance of the periodic scheme, distance based scheme and velocity prediction scheme. We solve the problem of indefinitely long time intervals between consecutive position broadcasts in the distance based scheme and the velocity prediction scheme. The effect of packet loss on each of the schemes is also studied. Theoretical analysis and results from simulations show that the velocity prediction scheme significantly outperforms the distance based scheme and periodic broadcast schemes.
URI: http://scholarbank.nus.edu.sg/handle/10635/12866
Appears in Collections:Master's Theses (Open)

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