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A novel heterogeneous cooperative relay channel model is proposed in this article. It can integrate various wireless access systems into one entity and improve the spectrum efficiency remarkably. According to the characteristics of the heterogeneous and conventional homogeneous cooperative relay channel model, the outage probability performance is investigated over Nakagami-m fading model. A numerical...
Multicasting can be an useful service in wireless mesh networks (WMNs), which have gained significant acceptance in recent years due to their potentials of providing a low-cost wireless backhaul service to mobile clients. Many applications in WMNs require efficient and reliable multicast communication, i.e., with high delivery ratio but with less overhead, among a group of recipients. However, in...
A wireless sensor network consists of many low-power, low-cost nodes which can perform sensing, computing, and send short messages over short distance. In respect that sensor nodes are powered by batteries, energy would be very important for wireless sensor work. In this paper, we proposed an efficient relay node displacement mechanism which considers each node's energy consumption and analysis the...
We revisit the problem of scheduling the sources transmissions in a many-to-one flow to provide reliable communication between n sources and a single destination. The performance of coding-aware scheduling is studied based on both digital network coding (DNC) and analog network coding (ANC). We discuss some special cases in which an optimal ANC-based schedule can be constructed efficiently. Finally,...
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