Relay node placement, which aims to connect pre-deployed sensor nodes to base stations,
is essential in minimizing the costs of wireless sensor networks. In this paper, we formulate …

The operational cost-effectiveness of wireless sensor networks depends on the placement of
heterogeneous nodes: base stations, sensor nodes, and relay nodes. To achieve the global …

To eliminate the routing load unbalance among sensor nodes, one approach is to deploy a
small number of powerful relay nodes acting as routing nodes in wireless sensor networks …

In wireless sensor networks, relay node placement has been proposed to improve energy
efficiency. In this paper, we study two-tiered constrained relay node placement problems …

Wireless sensor networks have been widely used for ambient data collection in diverse
environments. While in many such networks the nodes are randomly deployed in massive …

This paper addresses the following relay sensor placement problem: given the set of duty
sensors in the plane and the upper bound of the transmission range, compute the minimum …

One approach to prolong the lifetime of a wireless sensor network (WSN) is to deploy some
relay nodes to communicate with the sensor nodes, other relay nodes, and the base …

In two-tiered wireless sensor networks (WSNs), relay node placement is one of the key
factors impacting the network energy consumption and the system overhead. In this paper, a …

Relay node placement in wireless sensor networks has gained importance due to its
potential use in prolonging network life time, reducing data latency, and establishing …

A Wireless Sensor Network (WSN) is a network consisting of wireless sensor nodes. There
are usually requirements that need to be met when deploying a WSN, one being the …