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Spectrum auctions, which allow a spectrum owner to sell licenses for signal transmission over specific bands, can allocate scarce spectrum resources quickly to the users that value them most and have received a great deal of research attention in recent years. While enabling reusability-driven spectrum allocation, truthful spectrum auction designs are also expected to provide price fairness for homogeneous...
In this paper, we present a new look at the sensing-throughput tradeoff problem. Distinguishing with the previous work, the throughput in our paper is defined as the number of data bits per second received correctly rather than the achievable rate. This choice facilitates the investigation on optimizing throughput for a frame based wireless data transmission scheme from a general point of view. Our...
An ultra-compact multimode interference (MMI) coupler with a length ~10 ??m for dense photonic integration is designed by parallel particle swarm optimization (PSO) with parallel finite-difference time-domain (FDTD). The MMI coupler uses a strongly-guiding deep-etched InP platform and the modal analysis of this strongly-guiding deep-etched InP waveguide gives the cross section of the single-mode nanophotonic...
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