Quality of Service (QoS) guarantee is a critical problem in Wireless Sensor Network (WSN) applications. Effective evaluation of query quality is an essential prerequisite to query optimization. In most of the existing research work, energy efficiency is taken as the evaluation metric for query optimization and results in that users’requirements cannot be met well. This
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As one of the most important access techniques for the next generation wireless networks, Wireless Mesh Networks have attracted more and more attention in the last decade. The capability of self-organization in WMNs reduces the complexity and cost of deployment and maintenance of wireless network. Due to such advantages, WMNs have covered a variety of
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With the rapid development of sensor technology, radio communication technology and computer network technology, a new type of communication technology which is called wireless sensor network (WSN) comes out. As its distinct characteristics of large scale, self-organization, small volume, wireless and low cost, WSN is usually applied to the tasks of target monitoring and data
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Wireless Mobile Self-Organized Networks(mobile Ad Hoc networks, MANETs)with the prospect of extensive application in military and civilian fields, which are multi-hop temporary autonomous system of mobile nodes equipped with wireless transceivers and receivers, have been a study focus in current network research. Due to the prevalence of multimedia applications, QoS issue has been regarded as
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With the technologies of multimedia sensors and embedded processors development, the research of Wireless Multimedia Sensor Networks (WMSNs) has been a gradual increase. Because multimedia data can often provide a wealth of information about surroundings of a network, wireless multimedia sensor networks can enhance the traditional sensor network applications and enable several new applications. For
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