A mobile wireless sensor network owes its name to the presence of mobile sink or sensor nodes within the network. The advantages of mobile wireless sensor network over static wireless sensor network are better energy efficiency, improved coverage, enhanced target tracking and superior channel capacity. In this chapter we will present and discuss different classifications of mobile wireless sens...

Sink mobility has been utilized in numerous schemes to prolong the lifetime of wireless sensor networks (WSNs). Among the many ways of improving the performance of a WSN in terms of crucial metrics such as its lifetime and data latency, utilizing the mobility of some of the network components has been recently observed to be among the most promising. Regardless of its numerous advantages, deliv...

Wireless sensor network performance mainly depend on proper deployment of mobile sink node within the cluster among the network used in routing protocols. Mobile sink node legitimately utilized as a part of routing techniques for the enhancement for power utilization. Since the mobile sink hub based WSN would enhance the entire system lifespan by balancing transmitting power within each and eve...

With the fast development of the Internet, wireless communications has received significant attention. Wireless sensors networks are equipped with tiny, irreplaceable batteries and therefore it is necessary to design energy efficient algorithms to prolong the network lifetime. In wireless sensor networks (WSNs), the sink mobility along a constrained path can improve the energy efficiency. Sink ...

In this paper we present an overview of energy efficient strategies in wireless sensor networks (WSNs) with mobile sink. Firstly, we investigate the existing issues in WSNs. Then we focus on the problem of energy efficient data gathering strategy with mobile sink and present some existing solutions. Finally, we conclude this paper with some potential extensions which need to be further explored...

Routing protocols play crucial role in determining performance parameters such as packet delivery fraction, end to end (end 2 end) delay, packet loss etc. of any ad hoc communication network. In this paper the performance of DSDV protocol in sensor network of randomly distributed static nodes with mobile source and sink nodes is investigated for source and sink velocities 0,10,20,40 and 60 m/se...

Privacy-preserving data aggregation in wireless sensor networks (WSNs) with mobile nodes is a challenging problem, as an accurate aggregation result should be derived in a privacy-preserving manner, under the condition that nodes are mobile and have no pre-specified keys for cryptographic operations. In this paper, we focus on the SUM aggregation function and propose two privacy-preserving data...

Energy conservation is a vital issue in wireless sensor networks. Recently, employing mobile sinks for data gathering become a pervasive trend to deal with this problem. The sink can follow stochastic or pre-defined paths; however the controlled mobility pattern nowadays is taken more into consideration. In this method, the sink moves across the network autonomously and changes its position bas...

The extensive Wireless Sensor Networks (WSN), used for environmental monitoring, human body observation, military surveillance, tracking objects and applications. Multi-hop transmission can lead to packet losses, delay, and energy waste due to a large number of re-transmissions and packet (P) drops. The weakness of using a immobile sinks are well known. Advantage of sink mobility for data gathe...