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Current P2P applications are based on random connected overlays, which lead to generating a significant amount of inter-ISP traffic. Asking for more QoS requirements, such as a short delay and a stable streaming rate, few studies are dedicated to optimizing P2P live streaming applications, despite that recent work have proposed some solutions for P2P file distribution applications. In this paper,...
In this paper, we address the problem of content replication in segmented peer-to-peer on-demand systems, with the objective of minimizing the content server's workload. We consider the system performance under heterogeneous environment. In this P2P-VoD system, multimedia content is divided into segments and peers can seek and cache any segments. Because different segments may be of different popularity,...
In the heterogeneous wireless network environment, uneven traffic distribution among different wireless access networks results in the distinction of user network resource. A load balancing scheme is proposed to balance load of diverse access networks, lower unfairness of user bandwidth and improve efficiency of heterogeneous wireless networks (HWNs) resource by association control mechanism. The...
Many PAPR reduction schemes for OFDM system can be implemented in time domain by oversampled(OS)-kernel-based iterative structure. In this paper, a new polyphase (PP)-kernels-based PAPR reduction scheme is proposed to reduce the complexity of OS-kernel-based PAPR reduction techniques. It divides oversampled-rate kernel into multiple 1x-rate kernels with different initial-phase and performs PAPR reduction...
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