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Dissemination of Data Aggregation in Vehicular Ad Hoc Networks

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3 Author(s)
Hua-Wen Tsai ; Dep. of Comput. Info, & Network Eng., Lunghwa Univ. of Sci. & Technol., Taoyuan, Taiwan ; Tzung-Shi Chen ; Sheng-Kai Lin

Inquiring traffic information is an important issue in vehicular ad hoc networks. This paper proposes an aggregating data dissemination algorithm in vehicular ad hoc networks. This algorithm can offer the various degrees of traffic information when users propose inquiry for different regional ranges. The user often needs to obtain the detailed data from the small area or the summary data for the large area. The traffic information is aggregated and kept in the periphery of region. When users inquire for the small area, they can get the detailed data. If the inquire is for the large area, users can obtain the summary data. The simulation results show that our algorithm decreases more communication cost and increases more accuracy than those for the previous work. Additionally, the users can obtain the data quickly, when they only need the summary data.

Published in:

Pervasive Systems, Algorithms, and Networks (ISPAN), 2009 10th International Symposium on

Date of Conference:

14-16 Dec. 2009