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In wireless sensor networks (WSNs), due to the limited energy of nodes, discovering neighbors needs to be achieved in an energy-efficient way. This means that, at a given energy consumption, we need to reduce the worst-case neighbor discovery latency as far as possible. In this letter, we propose a novel deterministic neighbor discovery method, called Lightning. Lightning employs two kinds of active...
Analyzed the features of router-level topology simulation, and proposed an algorithm HRSA facing router-level network topology simulation based on Dijkstra algorithm aiming at actual Internet stratified topology structure. By the way of adding the shortest routing table on the core router, the time of searching the shortest path in router-level topology simulation has been reduced effectively. The...
The TCP acknowledgement problem in the multi-hop wireless network is analyzed in the paper, and a TCP acknowledgement mechanism by the combination of the sender and the receiver is proposed. The mechanism stipulates that the receiver decides whether to respond acknowledgement according to the group frequency received, also conduct the fast acknowledgement according to the demand of the sender. Compared...
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