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Wireless sensor network (WSN) is a data-centric intelligent monitoring system and data transmission is the routine task. For the communication resource of WSN is very limited is most pivotal function, communication reliability becomes one of the most pivotal factors. However, the lack of wireless link and the loss of data make the study of communication reliability hardly. To solve these problems,...
Data transmission is the most important issue in wireless sensor network (WSN). The energy consumption and latency are the key factors of data transmission. To optimize these factors, a noble data aggregation algorithm is proposed in this paper. The proposed algorithm is originated from LEACH, and energy efficiency and latency is considered as the researching parameters. The overlap of detect regions...
Different from the traditional layer protocols, layering optimization can improve QoS of the whole wireless sensor network (WSN). Therefore, a novel power-aware layering optimization scheme is proposed to balance network lifetime and communication reliability. In the scheme, a directed spanning tree routing algorithm is discussed to resolve unnecessary energy consumption during data transmission....
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...
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