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The mesh network has propagated rapidly, because of the Internet. All over the world, many people cannot use the Internet, because the Internet cable is not installed. So many mesh network communities try to set up the mesh network nodes and manage it. By its effort, there are more than 50 thousand mesh nodes in the world. However, there are no enough people who can make the mesh network and can manage...
In this paper, we proposed a novel ant colony optimization model, Ant Local and the improved model, Simple Backtracking Update. With these algorithms, we developed an ACO routing agent on Linux for the real network. And we validated and evaluated these on Mininet environment using our program.
As [1], active network is defined as the network in which “the routers or switches of the network perform customized computations on the messages flowing through them.” Past studies focus on wired network or legacy network like Ethernet based IP router. So we present a new implementation of active network considering wireless network, capability of multi RAT, IoT environment.
In this paper, we address the problem of node clustering for compressed sensing (CS) based data collection in wireless sensor networks (WSNs). With consideration of recovery accuracy, communication cost and residual energy, two clustering strategies are proposed. Both strategies utilize Lapacian eigenvectors corresponding to the topology graph as a sparsifying basis, termed eigenbasis. The first clustering...
In Underwater Wireless Sensor Networks (UWSNs), developing an energy efficient routing protocol is a challenge due to the peculiar characteristics of UWSNs. In this paper, we therefore propose an energy-efficient routing protocol, called ERP2R (Energy-efficient Routing Protocol based on Physical distance and Residual energy). ERP2R is based on a novel idea of utilizing the physical distances of the...
Underwater wireless sensor networks (UWSNs) suffers from high bit error rate, low bandwidth, long and variable propagation delay, etc. In these networks, providing reliability of packet transmissions is an important issue. However, with typical end-to-end acknowledgement methods, the networks experience an ACK explosion problem which leads to wasting the network bandwidth significantly. In this paper,...
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