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A Decentralized Frame Synchronization System for Ad-hoc Inter-Vehicle Communication Networks  

Kim, Young-An (경희대학교 컴퓨터공학과)
Hong, Choong-Seon (경희대학교 컴퓨터공학과)
Publication Information
Journal of KIISE:Information Networking / v.35, no.2, 2008 , pp. 166-172 More about this Journal
Abstract
This paper proposes an autonomous decentralized frame synchronization system for Ad-hoc Inter-Vehicle Communication Network (IVCN). We have to consider the feature of Ad-hoc IVCN: "time variant" about the number and the location of vehicles and receive power in IVCN, frame timing, and fading. Proposed scheme is different from other decentralized synchronization systems that have association with a fixed base station, and from centralized Personal Communication Systems. This system includes an autonomous decentralized frame synchronization scheme for Ad-hoc IVCN, a high-speed algorithm, a protocol for a newly joining subscriber in IVCN, and a utilization of spread spectrum ranging for frame timing error of the system under highway conditions. Performance evaluation of proposed scheme is validated through simulation. It is shown that Ad-hoc IVCN can be carried out among one and surrounding vehicles in such environment.
Keywords
Ad-hoc IVCN; time variant; autonomous decentralized synchronization; Spread spectrum; frame timing;
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