Due to power limitation of nodes in wireless sensor networks (WSNs), how to maximize
network lifetime has become a critical issue for deployment of WSNs. Although several …

Energy-constraint is a crucial problem in wireless sensor networks (WSNs). Many sensor
node (SN) placement schemes and routing protocols are proposed to address this problem …

The focus of Wireless sensor networks is how to use limited energy to be able to make the
network more effectively. Therefore, energy-saving research has becoming a major focus of …

Petri Nets is a powerful mathematical modeling tool for system description and analysis, with
which we can describe the relationship among entities efficiently. The present thesis puts …

An important issue of routing is how to effectively balance the energy consumption of the
entire network, and avoid the energy-hole which would lead to the premature death of the …

Energy minimization is of great importance in wireless sensor networks in extending the
battery lifetime. Accurately understanding the energy consumption characteristics of each …

Most of the existing routing algorithms are based on two dimension, and the results can't be
directly applied to the three dimensional wireless sensor networks, the Space Angle Based …

In wireless sensor networks, much research has focused on improving energy consumption
and network lifetime due to limited power available on sensor nodes. The imbalance of node …

Data gathering in a wireless sensor network works in a way that a sink collects data from a
large number of sensor nodes. Traditionally, the hop-by-hop transmission is used in this …

For wireless sensor networks (WSNs), mobile sink is an effective approach to extend
network lifetime. In underwater or disconnected network, multi-hop routing mechanism is not …