Wireless sensor networks (WSNs) are resource-constrained networks with limited battery
power, computation abilities and communication capabilities at the sensor node level. A …

Abstract Nowadays, the Internet of Things (IoT) plays a significant role in the Internet world.
The IoT is a system which integrates the computing devices, digital machines provided with …

Routing protocols based on topology control are significantly important for improving
network longevity in wireless sensor networks (WSNs). Traditionally, some WSN routing …

Internet-of-Things (IoT) devices are widely deployed and many of them have limited
capabilities. Constrained application protocol (CoAP) is developed to integrate such devices …

A modified AODV Junior routing protocol is adopted as part of the combined routing strategy
in the ZigBee networks. However, its routing overhead caused by the routing discovery and …

At present, the smart grid has become one of the indispensable infrastructures in people's
lives. As a commonly used communication method, wireless communication is gradually …

The ZigBee network is widely studied and deployed recently because of its low cost and
simplicity features. However, the power consumption issue needs a further improvement …

Abstract Wireless Sensor Networks (WSNs) consist of many sensor nodes which are vital to
various applications in our daily lives. Optimizing energy usage is a key challenge for WSNs …

With the advancements in sensor networks, Wireless multimedia sensor networks (WMSNs)
have emerged and shifted the objectives of sensor nodes to multimedia devices which can …

Consider a single distributed sensor system to detect the occurrence of rare emitters in
multiple regions, each representing a different community. Alarms are sent to a common …