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We originally design a mechanism of spectrum sharing for cognitive radio networks (CRNs), which can protect secondary users from dropping call and improve the user capacity compared with traditional scheme. Continuous time Markov process is adopted for modeling interactions between primary users and secondary users in proposed mechanism. Based on quasi-birth and death process (QBD) theory, we present...
TCP in cast congestion which can introduce hundreds of milliseconds delay and up to 90% throughput degradation, severely affecting application performance, has been a practical issue in high-bandwidth low-latency data enter networks. Despite continuous efforts, prior solutions have significant drawbacks. They either only support quite a limited number of senders (e.g., 40-60), which is not sufficient,...
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