In Delay Tolerant Mobile Sensor Networks (DTMSNs) that have the inherent features of intermitted connectivity and frequently changing network topology it is reasonable to utilize multi-replica schemes to improve the data gathering performance. However, most existing multi-replica approaches inject a large amount of message copies into the network to increase the probability of message delivery,...

More and more researchers concentrate their attention on energy efficient usage and lifetime of Wireless Sensor Networks (WSNs). One of the complications impacting network lifetime is hotspot issue which can be solved by emerging Mobile Sink Wireless Sensor Networks (MSWSNs). In this paper, we propose circle-based data dissemination (CBDD) algorithm which supposes that sensor nodes are symmetri...

Wireless Sensor Network Systems can be applied to monitor different environments ranging from military to civil applications. It has been observed that different protocols required for smooth functioning of the network system are highly application specific. Another important fact is that the communication protocols have significant role in achieving right performance of the network system. In ...

We introduce a new context classification and recognition framework for the development and deployment of mobile, context-aware applications. The framework is complemented with an energy calculator that specifically assists mobile developers in estimating the energy footprint of context-aware applications during the development process with the framework. The framework abstracts from the raw co...

Wireless Sensor Networks(WSNs) is a set or collection of different distributed nodes which is measure(Capture)the environmental changes like Temperature, Sound, Pressure from the environmental area. Data packets or information is sending from one location to another location i.e. Source to the Destination. Sensor nodes are capable for the information gathering and communication between other no...

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...

In the world of big data, organizations are increasingly turning to mobile devices as new sources of data derived from continuously monitoring a wide range of processes and situations. Mobile devices can facilitate the gathering of data from a diverse set of internal and external3 stakeholders, including employees, customers and citizens willing to “donate” their data. Moreover, this data can b...

In this paper, we propose a distributed data-gathering scheme using an autonomous underwater vehicle (AUV) working as a mobile sink to gather data from a randomly distributed underwater sensor network where sensor nodes are clustered around several cluster headers. Unlike conventional data-gathering schemes where the AUV visits either every node or every cluster header, the proposed scheme allo...

Due to the dynamic nature of the network topology in a mobile sensor network, a data gathering tree is likely to frequently break, necessitating the need for stable data gathering trees that can withstand node mobility for a reasonable amount of time. In this pursuit, we propose two algorithms: (1) a centralized algorithm that can return the sequence of longest-living stable data gathering tree...