In wireless sensor networks (WSNs), finding the best transmission route from each node to
the mobile sink is not a simple task because of the dynamic characteristics of sink node and …

In wireless sensor networks (WSNs), the benefits of exploiting the sink mobility to prolong
network lifetime have been well recognized. In physical environments, all kinds of obstacles …

Aiming at high network energy consumption and data delay induced by mobile sink in
wireless sensor networks (WSNs), this paper proposes a cluster-based energy optimization …

In wireless sensor networks (WSNs), various routing protocols have been proposed based
on clustering to achieve energy efficiency. The performance of such routing protocols can …

Due to limited resources of the sensor nodes energy efficiency is an important performance
metric to evaluate the wireless sensor networks (WSN). In cluster-based WSNs, the cluster …

In recent decades, Sensor nodes (SNs) are used in numerous uses of heterogeneous
wireless sensor networks (HWSNs) to obtain a variety of sensing data sources. Sink mobility …

Clustered routing protocols with static sink suffer from energy hole problem. Sensor nodes
(SNs) closer to the sink node work as a conveyer for faraway nodes, and these nodes …

Data collection through the mobile sink in wireless sensor networks (WSNs) is an effective
solution to the hot-spot or sink-hole problem caused by multi-hop routings using the static …

Recently, the exponential rise in communication system demands has motivated global
academia-industry to develop efficient communication technologies to fulfill energy …

Sink mobility can improve the energy efficiency and data gathering performance in wireless
sensor networks. However, mobility of the sink station may be constrained in some …