Journal
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
Volume 56, Issue 6, Pages 3421-3430Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TVT.2007.907230
Keywords
delay; gateways; power consumption; vehicular networks
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In vehicular networks, mobile users in vehicles can access the Internet and enjoy various kinds of services such as Voice over IP (VoIP) and online streaming video. To provide satisfactory quality of service (QoS), we need to appropriately place gateways to link mobile nodes to the Internet or any other information networks. In this paper, we address the problem of optimally placing gateways in vehicular networks to minimize the average number of hops from access points (APs) to gateways, so that the communication delay can be minimized. Moreover, we also investigate how to minimize the total power consumption, and we show that, when the average number of hops is minimized, the average capacity of each AP can be maximized.
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