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For monitoring burst events in a kind of reactive wireless sensor networks (WSNs), a novel scheme of dynamic clustering routing algorithm (DCRA) based on support degree is proposed. The new approach lets sensors decide whether become a clusterhead (CH) according to the support degree coming from neighbors. Unlike traditional distributed clustering algorithms, DCRA combines energy, load balancing and...
Most of the extant wireless medicare system have been used Bluetooth or WiFi standard based on IEEE 802.11 to implement wireless communication. However, those could not work as a network and transmit data to specific terminals. Wireless Sensor Networks (WSNs) based on IEEE 802.15.4 present a possibility to implement a networked medicare system. Most of those networking algorithms have been discussed...
Wireless sensor-actuator networks (WSANs) have recently been suggested as an extension to conventional sensor networks. The powerful and mobile actuators can patrol along different routes and communicate with the static sensor nodes. Obviously, it is crucial to optimize the routes for the actuators to collect the sensor data in a timely fashion. Given the nonuniform and time-varying distribution of...
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