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It is a fundamental goal but a tough task to fully utilize various resources in wireless networks. In multi-hop cognitive radio ad hoc networks (CRAHNs), it becomes more challenging due to primary users’ uncertain activities, varying available channels, arbitrary traffic arrivals and rate requirements, and channel interference among multiple links. In this paper, we propose a Joint Rate adaptation,...
We address the optimal sink scheduling problem in wireless sensor networks (WSNs). The problem is inherently difficult since sink scheduling and data routing are tightly coupled. Previous approaches either have questionable performance due to no joint considerations, or are based on relaxed constraints. Our aim is to fill in this blank in the research. First, by discretizing continuous time, we develop...
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