Motivated by stringent power constraints, duty cycling-the practice of turning a mote's radio
on and off to conserve energy-has become a fundamental mechanism in the design of …

Wireless sensor networks (WSNs) comprise a number of autonomous sensors and one or
more sinks to cooperatively monitor physical or environmental conditions. Energy efficiency …

Recent technological advances in integrated circuits, wireless communications and
physiological sensing have allowed ultra‐low power, intelligent‐monitoring tiny devices to …

In wireless sensor networks, a clustering scheme is helpful in reducing the energy
consumption by aggregating data at intermediate sensors. This paper discusses the …

This paper proposes and implements a new TDMA-based MAC protocol for providing timely
and reliable delivery of data and command for monitoring and control networks. In this kind …

Wireless sensor networks should provide with valuable service, which is called service-
oriented requirement. To meet this need, a novel distributed graph coloring based time …

Wireless sensor networks provide broad area for Researchers due to their wide range of
applications in Areas such as target detection, tracking and Monitoring. The MAC protocols …

In-network data aggregation is an effective technique to reduce communication cost in
wireless sensor networks. Recent studies have focused on two issues respectively: dynamic …

In recent years the number of smartphone users has been increasing at an unprecedented
rate. Smartphones are carried by billions of people every day, and are equipped with many …

It is well known that periodically putting nodes into sleep can effectively save energy in
wireless sensor networks at the cost of increased communication delays. However, most …