The placement of relay nodes is one of the critical need of wireless sensor networks when
connectivity, lifetime, fault tolerance like factors are desired in the network. In this study, we …

Relay node placement is one of the critical need of wireless sensor networks when
connectivity, lifetime, fault tolerance like factors are desired in the network. In this study, we …

Relay node placement problem is a very well-known problem of Wireless Sensor Networks.
Many techniques (heuristics and algorithms) have been proposed to solve this problem …

In a two-tier wireless sensor network (WSN), the relay nodes act as the cluster heads for
data aggregation and dissemination to the base station. It is very crucial and difficult to find …

Relay node placement is an important issue because it greatly affects the performance of
wireless ad hoc sensor networks. The pervious works mainly pay attention on placing the …

Wireless sensor networks (WSNs) have been applied to many applications since emerging.
The design of a WSN should focus on their performance and lifetime due to the high …

In this paper, we address the problem of relay node placement in hierarchical wireless
sensor networks. Given a set of potential positions, the basic goal is to minimize the number …

Reasonable relay node setting has an important influence on reducing network energy
consumption and prolonging network lifetime in wireless sensor network. Due to the …

A wireless sensor network consists of many low-cost, low-power sensor nodes to perform
sensing environment and transmitting sensed information to a base station. Energy efficient …

In this paper we focus on wireless sensor networks deployed to cover some given Points of
Interest (PoIs), achieve connectivity with the sink and be robust against link and node …