wireless sensor system research paper

A Security and Application of Wireless Sensor Network: A Comprehensive Study

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8 Latest Thesis and Research Areas in Wireless Sensor Network (WSN

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A wireless sensor network or WSN is a wireless network of devices that communicate with each other through wireless links such that each device has a sensor to monitor its surrounding environment. The wireless connectivity between the nodes is provided through a gateway to ensure data transfer between the nodes. A typical network has a base station along with the sensory nodes.

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The Wireless Sensor Network (WSN) is a distributed Ad-hoc network that consists of numerous and ubiquitous mini sensor nodes with the capabilities of wireless communicating and computing.

International Journal of Mathematical Archive ( …, 2011

Wireless sensor networks (WSNs) are a new and emerging type of sensor networks that contain sensor nodes equipped with a radio transceiver, other wireless communications devices like a small microcontroller and an energy source, usually a battery. Wireless ...

This paper x-rays the various possible deployments of smart micro wireless sensors in industrial applications especially in Nigeria. This paper focuses more on wireless sensor applications in oil & gas industry and agriculture in Nigeria. In Oil & Gas industry, International Oil and Gas Companies (IOCs) have already massively deployed this technology since 2005 to monitor vast oil and gas installations in Nigeria Niger Delta region. In agriculture, these devices can be used in Nigeria to monitor greenhouse temperature conditions for crop growth, in field monitoring to measure temperature, relative humidity and soil moisture to prevent fungi infections and in livestock to detect the pHvalue of the rumen of dairy cows as well as monitor movement of cows. Also they can be applied to monitor the microclimate in the woods. This paper finally identified the several benefits of applying these micro devices as well the key challenges facing their deployment of these devices in the industries in Nigeria. The paper finally suggested some solutions to some of the identified challenges.

This paper gives an overview of WSNs advances, conventions, principle applications, dangers and difficulties in WSNs. Because of the incomprehensible capability of sensor systems to empower applications that interface the physical world to the virtual world, the efficient outline and usage of remote sensor systems has turned out to be a standout amongst the most vital advancements for the twenty-first century. A WSN regularly comprises of a substantial number of minimal effort, low-control, and multifunctional remote sensor hubs, with detecting, remote correspondences and calculation capacities. The movement of detecting, preparing, and correspondence under restricted measure of vitality, lights a cross-layer configuration approach commonly requiring the joint thought of disseminated flag/information handling, medium get to control, and correspondence conventions. In this paper different conventions for remote sensor system are talked about. WSN might be vulnerable for different assaults, which are examined under dangers. The fundamental application ranges for WSNs are additionally examined here. INTRODUCTION With the prominence of tablets, PDAs, PDAs, GPS gadgets, RFID, and canny hardware in the post-PC period, figuring gadgets have turned out to be less expensive, more versatile, more circulated, and more unavoidable in everyday life. It is presently conceivable to develop, from business off-the-rack (COTS) parts, a wallet estimate inserted framework with the equal ability of a 90's PC. Such implanted frameworks can be bolstered with downsized Windows or Linux working frameworks. From this viewpoint, the development of remote sensor systems (WSNs) is basically the most recent pattern of Moore's Law toward the scaling down and universality of processing gadgets. Ordinarily, a remote sensor hub (or basically sensor hub) comprises of detecting, processing, correspondence, activation, and power parts. These parts are incorporated on a solitary or numerous sheets, and bundled in a couple of cubic inches. With cutting edge, low-control circuit and systems administration advances, a sensor hub controlled by 2 AA batteries can keep going for up to three years with a 1% low obligation cycle working mode. A WSN for the most part comprises of tens to a great many such hubs that impart through remote channels for data sharing and helpful handling. WSNs can be sent on a worldwide scale for natural observing and living space consider, over a combat zone for military observation and surveillance, in new situations for inquiry and safeguard, in manufacturing plants for condition based support, in structures for foundation wellbeing checking, in homes to acknowledge savvy homes, or even in bodies for patient checking. After the underlying arrangement (normally specially appointed), sensor hubs are in charge of self-sorting out a fitting system foundation, data handling and directing in Wireless Sensor Networks with multi-jump associations between sensor hubs. The installed sensors then begin gathering acoustic, seismic, infrared or attractive data about nature, utilizing either consistent or occasion driven working modes. Area and situating data can likewise be gotten through the worldwide situating framework (GPS) or neighbourhood situating calculations. This data can be accumulated from over the system and suitably handled to develop a worldwide perspective of the observing wonders or questions. The essential theory behind WSNs is that, while the capacity of every individual sensor hub is restricted, the total force of the whole system is adequate for the required mission. A WSN can be by and large portrayed as a system of hubs that helpfully sense and may control the

Due to many restrictions, wireless sensor networks (WSNs) offer novel applications and need novel protocol design approaches. Due to the demand for minimal device complexity and low energy consumption (i.e., a long network lifespan), it is necessary to strike a balance between communication and signal/data processing capabilities. This has resulted in a tremendous amount of effort in research, standardisation, and industry investment in this subject during the previous decade. This survey article will provide an overview of wireless sensor network (WSN) technology, major applications and standards, design characteristics of WSNs, and evolutions. The article discusses various unusual applications, such as those involving environmental monitoring, and highlights design ideas; it also includes a case study based on a real-world implementation. The author charts trends and potential evolutions. The IEEE 802.15.4 standard is emphasised, since it offers a wide variety of WSN applications....

Wireless Sensor Networks (WSN) are used in variety of fields which includes military, healthcare, environmental, biological, home and other commercial applications. With the huge advancement in the field of embedded computer and sensor technology, Wireless Sensor Networks (WSN), which is composed of several thousands of sensor nodes which are capable of sensing, actuating, and relaying the collected information, have made remarkable impact everywhere. This paper presents an overview of the various research issues in WSN based applications.

Wireless Sensor Networks - Technology and Protocols, 2012

WIRELESS SENSOR NETWORKS (Technology, Protocols, and Applications)

The plethora of research and development efforts on Wireless Sensor Networks is an indication that the technology has emerged an active research area in recent times. In this paper, a review of this intelligent technology is undertaken. Its working mechanisms, merits, challenges, transmission technologies, simulating tools and applications are considered. The paper concludes with a clear conviction that a sound knowledge of the basics of this technology is a sine qua non to research and development of the technology.

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Dynamic Key Distribution Method For Wireless Sensor Networks Based On Exponential Algorithm

Development of an organic photovoltaic energy harvesting system for wireless sensor networks; application to autonomous building information management systems and optimisation of opv module sizes for future applications, energy sink-holes avoidance method based on fuzzy system in wireless sensor networks.

The existence of a mobile sink for gathering data significantly extends wireless sensor networks (WSNs) lifetime. In recent years, a variety of efficient rendezvous points-based sink mobility approaches has been proposed for avoiding the energy sink-holes problem nearby the sink, diminishing buffer overflow of sensors, and reducing the data latency. Nevertheless, lots of research has been carried out to sort out the energy holes problem using controllable-based sink mobility methods. However, further developments can be demonstrated and achieved on such type of mobility management system. In this paper, a well-rounded strategy involving an energy-efficient routing protocol along with a controllable-based sink mobility method is proposed to extirpate the energy sink-holes problem. This paper fused the fuzzy A-star as a routing protocol for mitigating the energy consumption during data forwarding along with a novel sink mobility method which adopted a grid partitioning system and fuzzy system that takes account of the average residual energy, sensors density, average traffic load, and sources angles to detect the optimal next location of the mobile sink. By utilizing diverse performance metrics, the empirical analysis of our proposed work showed an outstanding result as compared with fuzzy A-star protocol in the case of a static sink.

Secure Routing using Multi-Objective Trust Aware Hybrid Optimization for Wireless Sensor Networks

Adaptive monitor placement for near real-time node failure localisation in wireless sensor networks.

As sensor-based networks become more prevalent, scaling to unmanageable numbers or deployed in difficult to reach areas, real-time failure localisation is becoming essential for continued operation. Network tomography, a system and application-independent approach, has been successful in localising complex failures (i.e., observable by end-to-end global analysis) in traditional networks. Applying network tomography to wireless sensor networks (WSNs), however, is challenging. First, WSN topology changes due to environmental interactions (e.g., interference). Additionally, the selection of devices for running network monitoring processes (monitors) is an NP-hard problem. Monitors observe end-to-end in-network properties to identify failures, with their placement impacting the number of identifiable failures. Since monitoring consumes more in-node resources, it is essential to minimise their number while maintaining network tomography’s effectiveness. Unfortunately, state-of-the-art solutions solve this optimisation problem using time-consuming greedy heuristics. In this article, we propose two solutions for efficiently applying Network Tomography in WSNs: a graph compression scheme, enabling faster monitor placement by reducing the number of edges in the network, and an adaptive monitor placement algorithm for recovering the monitor placement given topology changes. The experiments show that our solution is at least 1,000× faster than the state-of-the-art approaches and efficiently copes with topology variations in large-scale WSNs.

AHP based relay selection strategy for energy harvesting wireless sensor networks

A hole repair algorithm for wireless sensor networks based on virtual attractive force constraint, layered routing algorithm for wireless sensor networks based on energy balance, solution for intra/inter-cluster event-reporting problem in cluster-based protocols for wireless sensor networks.

<span>In recent years, wireless sensor networks (WSNs) have been considered one of the important topics for researchers due to their wide applications in our life. Several researches have been conducted to improve WSNs performance and solve their issues. One of these issues is the energy limitation in WSNs since the source of energy in most WSNs is the battery. Accordingly, various protocols and techniques have been proposed with the intention of reducing power consumption of WSNs and lengthen their lifetime. Cluster-oriented routing protocols are one of the most effective categories of these protocols. In this article, we consider a major issue affecting the performance of this category of protocols, which we call the intra/inter-cluster event-reporting problem (IICERP). We demonstrate that IICERP severely reduces the performance of a cluster-oriented routing protocol, so we suggest an effective Solution for IICERP (SIICERP). To assess SIICERP’s performance, comprehensive simulations were performed to demonstrate the performance of several cluster-oriented protocols without and with SIICERP. Simulation results revealed that SIICERP substantially increases the performance of cluster-oriented routing protocols.</span>

Efficient organization of nodes in wireless sensor networks (clustering location-based LEACH)

The rapid development of connected devices and wireless communication has enabled several researchers to study wireless sensor networks and propose methods and algorithms to improve their performance. Wireless sensor networks (WSN) are composed of several sensor nodes deployed to collect and transfer data to base station (BS). Sensor node is considered as the main element in this field, characterized by minimal capacities of storage, energy, and computing. In consequence of the important impact of the energy on network lifetime, several researches are interested to propose different mechanisms to minimize energy consumption. In this work, we propose a new enhancement of low-energy adaptive clustering hierarchy (LEACH) protocol, named clustering location-based LEACH (CLOC-LEACH), which represents a continuity of our previous published work location-based LEACH (LOC-LEACH). The proposed protocol organizes sensor nodes into four regions, using clustering mechanism. In addition, an efficient concept is adopted to choose cluster head. CLOC-LEACH considers the energy as the principal metric to choose cluster heads and uses a gateway node to ensure the inter-cluster communication. The simulation with MATLAB shows that our contribution offers better performance than LEACH and LOC-LEACH, in terms of stability, energy consumption and network lifetime.

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