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In this paper, the problem of opportunistic channel sensing and access in cognitive radio networks when the sensing is imperfect and a secondary user has limited traffic to send at a time is investigated. Primary users' statistical information is assumed to be unknown, and therefore, a secondary user needs to learn the information online during channel(More)
We describe an original method for the automated synthesis of transport network designs based on multiple SONET self-healing rings. A heuristic procedure is based on insights about the trade-off between capacity efficiency and traffic capture efficiency of ring sets to find a minimum-cost composite design. Test cases show designs that range from nearly(More)
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