Mobility

Cooperative Data Dissemination Via Roadside WLANs

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Executive Summary

Data dissemination services embrace a wide variety of telematic applications where data packets are generated at a remote server in the Internet and destined to a group of nomadic users such as vehicle passengers and pedestrians. The quality of a data dissemination service is highly dependent on the availability of network infrastructures in terms of the Access Points (APs). In this paper, the authors investigate the utilization of Road-Side Wireless Local Area Networks (RSWLANs) as a network infrastructure for data dissemination. A two-level cooperative data dissemination approach is presented. With the network-level cooperation, the resources in the RS-WLANs are used to facilitate the data dissemination services for the nomadic users.

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