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The nodes of wireless sensor networks (WSNs) should execute tasks such as sensor data acquiring, routing, data processing etc, it will cause decrease of the data transmission rate while using single-task framework. In the paper, multitask cooperation of thread pool technology is applied to WSNs. It will no only speeds up the executing efficiency of WSNs, but realizes task decoupling easily, avoids...
Concerning event-driven wireless sensor network scenario where the traffic has burst-bulk characteristic, an intra-flow network coding based opportunistic multipath routing protocol called Code Paths was proposed. A routing metric taking delay and congestion factors into account has been defined and implemented, which is used to establish gradient field from nodes to sink. When an event occurs in...
An energy-efficient event detection and dissemination (EEDD) scheme for event-driven wireless sensor networks applications is introduced. Based on clustering-based architecture, EEDD includes sensor and aggregation management, sleep and wakeup scheduling, and a customized multi-channel MAC/routing protocol with power control. Bit map based MAC approach is adapted to use not only in intra-cluster communication,...
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