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The spectrum allocation for cognitive radio networks (CRNs) has received considerable studies under the assumption that the bandwidth of spectrum holes is static. However, in practice, the bandwidth of spectrum holes is time-varied due to primary user/ secondary user (PU/SU) activity and mobility, which result in non-determinacy. This paper studies the spectrum allocation for CRNs with non-deterministic...
The ATIS (Abyss Twisted-pair Imaging System) and FITS (Fiber-optical Instrumentation Towed System) were developed for real-time observing on the sea floor around the gas hydrate seeps, while the V-corer (Video-guided multi-corer) was for effective sediment collection. Considering that the CTD (Conductivity, Temperature, and Depth) winch is a standard equipment on most of the research vessels, the...
Modern on-chip networks (NoCs) rely on virtual channel (VC) flow control to allow effective utilization of link bandwidth at the cost of more power and longer per-hop latency. Despite many existing optimization techniques for NoCs under VC flow control, we take a further step on questioning its necessity. Our finding is, when the network is not busy, circuit-switching (CS) may already satisfy the...
Smartphones nowadays are installed with diverse applications, each of which consumes energy and bandwidth. As more and more applications are crowded into a smart- phone, they cause serious problems with regard to battery life and bandwidth utilization. Existing proposals to tackle such challenges usually resort to two ways: avoiding energy- consuming network activities or improving communication efficiency...
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