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In this paper, the dynamics of elementary cellular automata rule 61 is investigated in the bi-infinite symbolic sequence space. This work provides the glider properties and the interactions in rule 61, including several natural gliders, a catalog of gliders and glider collisions, which were found in Wolfram's complex rules 110 and 54 before. In addition, It is also proved that rule 61 defines three...
Wireless mesh networks (WMNs) are comprised of nodes with multiple radio interfaces and provide broadband residential internet access or connectivity to temporal events. Our goal is to simplify the network deployment of such a mesh network, and towards that we are presenting procedures for automatic configuration and optimisation of the network. We first present an architecture framework that supports...
The standard transmission control protocol(TCP) can not distinguish between the random packet losses due to high bit error rate(BER) and the packet losses due to network congestion. TCP responds to all losses by invoking congestion control and avoidance algorithms, resulting in degraded end-to-end performance in wireless and lossy systems. Meanwhile, the performance of TCP would be deteriorated very...
The power of nodes in the first layer of a wireless sensor network (WSN) cannot last due to their frequent relay tasks. One possible solution to this disadvantage is to adopt the first order load-balanced algorithm (LBA) to redistribute the loading of the first layer node uniformly. The balanced low-latency convergecast tree (BLLCT) algorithm, a LBA, is generally utilized in route planning in ecological...
An optimum gate-loaded cascode topology for maximizing the gain of a stable CMOS amplifier in micro/millimeter wave band is presented. By adding a piece of transmission line in the gate of cascode transistor, choosing an appropriate matching circuit that includes biasing, and exploiting the proper transmission line structure the gain per stage of CMOS amplifier can be increased and an optimum design...
According to the principle of IGCT(integrated gate commutated thyristor) and the real demand of IGCT gate drive circuit, a novel topology and its control strategy of IGCT gate drive circuit are proposed. A gate drive circuit for reverse-conducting IGCT with 1100A/4500V ratings adopting hard driven and integrated gate technique has been realized, which possesses high switching speed, simple structure...
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