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Vehicular ad-hoc networks (VANETs) will enable a wide variety of future inter-vehicle and vehicle-to-roadside applications. These services will span a large range of functionality, such as those supporting vehicular safety, to those used for best-effort roadside advertising. To support this wide range, the IEEE 802.11p standard defines seven communication channels, consisting of a single control channel...
In a cognitive wireless network with spectrum underlay, secondary links can transmit at the same spectrum as primary links as long as the interference to the primary links is below a pre-negotiated interference threshold. This paper studies the effect of setting different interference thresholds on the transmission rate of the secondary links and how secondary transmissions affect the primary links...
This paper studies power distribution in the uplink channel of a wireless CDMA network, where peer stations cooperatively relay traffic for each other, and the destination, i.e., the base station (BS), combines signals received from both the source station (SS) and the relay station (RS). Two different cooperative schemes are presented. In the first scheme, the SS transmits packets in all time slots,...
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