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Cognitive radio (CR) technology has great potential to alleviate spectrum scarcity in wireless communications. It allows secondary users (SUs) to opportunistically access spectrum licensed by primary users (PUs) while protecting PU activity. The protection of the PUs is central to the adoption of this technology since no PU would accommodate SU access to its own detriment. In this paper, we consider...
In this paper, we present a Wireless Local Area Network (WLAN) channel selection algorithm and testbed implementation for video streaming applications. We call this type of spectrum management functionality Channel Pool Management (CPM). Specifically, we designed a scheme called Shifted Mask Superposition (SMS) that harnesses the transmitter spectral mask to help predict WLAN channel quality dynamically...
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