One critical issue in wireless sensor networks is how to gather sensed information in an
energy-efficient way since the energy is a scarce resource in a sensor node. Cluster-based …

Cluster-based sensor networks have the advantages of reducing energy consumption and
link-maintenance cost. One fundamental issue in cluster-based sensor networks is …

Network lifetime predictability is an essential system requirement for the type of wireless
sensor network (WSN) used in safety-critical and highly-reliable applications. All sensor …

In wireless sensor networks, continued operation of battery‐powered devices plays a crucial
role particularly in remote deployment. The lifetime of a wireless sensor is primarily …

Data gathering is a major function of many applications in wireless sensor networks. The
most important issue in designing a data gathering algorithm is how to save energy of …

In wireless sensor networks, the Media Access Control (MAC) Protocol is one of the key.
Network Protocols designed to ensure the normal network communications. Compared with …

Wireless sensor “motes” is small or tiny embedded systems equipped with radios for
wireless communication in the networks, which depend on batteries as a power source. The …

This project is to avoid duplicate transmission, node reconfiguration and power consumption
in Wireless Sensor Networks (WSN). Wireless sensor network requires robust and energy …

Wireless sensor networks are formed by a great deal of sensor nodes, which are generally
battery-powered and may not be recharged easily. Consequently, how to save energy is an …

The main objective of MAC protocol design is introduced, and the typical S-MAC protocol in
wireless sensor networks is analyzed. Then, this paper proposes a MAC protocol called the …