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The routing technology at the network layer is critical in the architecture of wireless sensor network. As an active branch of routing technology, the cluster based protocols excel on the aspects of network topology management, energy consumption, data aggression, etc. An energy effective routing protocol based on low-energy adaptive clustering hierarchy protocol, which is called CQIR, is proposed...
As the most appropriate data processing method of ambient intelligence, wireless sensor network has a broad space of application. One of the most important applications of wireless sensor network is fire rescuing in building, and there are many special technology requirement for this application. In order to resolve nodes uneven distribution and exactly estimation the location and intensity of fire,...
In wireless sensor networks (WSNs), a challenging problem is how to advance network QoS. Energy-efficiency, network communication traffic and failure-tolerance, these important factors of QoS are closely related with the applied performance of WSNs. Hence a QoS-aware routing protocol called directed alternative spanning tree (DAST) is proposed to balance the above three factors of QoS. A directed...
In wireless sensor networks (WSN), two major challenges are to maximize network lifetime and to enhance the tolerance of networks. Both of them are related to routing protocol. Therefore, a routing protocol that is called directed spanning tree (DST) is proposed. In this paper, the construction of directed tree-based communication path and the data aggregation mechanism based on DST are discussed...
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