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Delivery of high-quality streaming services over multi-hop wireless mesh networks (WMNs) is a challenging research problem because of quality fluctuation and interference of wireless links in WMNs, as well as strict throughput, delay, and reliability requirements of streaming applications. In this paper, we propose a Network Assisted Peer-to-Peer (NAP2P) system for file-based media streaming services...
A real-time software simulator of wideband HF (high frequency) channel model is presented. Using the tapped delay line structure of narrowband Watterson model, the delay power profile of the wideband HF channel model is sampled into discrete points, dividing each propagation path into series of sub-paths. The deterministic phase function and stochastic modulation function is applied. The sum of all...
To address the state explosion problem of parameterized directory based cache protocol in model checking, we put forward the concept of pseudo-cutoff, a bound of the number of nodes which share the same memory block in this paper. Based on the analysis on inherent characteristics of parallel programs, we deduce the pseudo-cutoff value in relaxed consistency Cache-coherent non-uniform memory architecture...
Peer-to-peer (P2P) has recently been employed to deliver large scale video multicast services on the Internet. Considerable efforts have been made by both academia and industry on P2P streaming design. While academia mostly focus on exploring design space to approach the theoretical performance bounds, our recent measurement study on several commercial P2P streaming systems indicates that they are...
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