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IEEE 802.22 is a standard for Wireless Regional Area Network (WRAN) which exploits the cognitive radio technology in order to use spectrum holes in the TV frequency band. The standard allows the sharing of unused spectrum allocated to the Television Broadcast Service without causing harmful interference to licensed users like TV transmitters and receivers.(More)
The use of directional antennas in wireless ad hoc networks can significantly improve global performance due to a high spatial channel reuse. Nevertheless, its introduction poses new location dependent problems related to the MAC protocol. In this paper, the Balanced Incomplete Block Design theory has been exploited to develop a new MAC protocol for(More)
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