Wireless Sensor Network - Science topic

Intelligent buildings play a fundamental role in achieving efficient energy management in the building sector in many countries worldwide. Improving energy consumption within a building can represent significant financial savings and reduce carbon emissions. However, intelligent buildings may impose additional burdens and challenges in their energy...

The essential design concern of a sensor network is to balance energy consumption of sensor nodes (SNs) to prolong the network lifetime. Many research works cited that clustering techniques efficiently utilize the network's energy resource by organizing SNS into groups of clusters and benefits in reduced data transmission. An extensively used categ...

Rapid developments in radio technology and processors have led to the emergence of small sensor nodes that provide communication over Wireless Sensor Networks (WSNs). The crucial issues in these networks are energy consumption management and reliable data exchange. Due to the limited resources of sensor nodes, WSNs become a vulnerable target agains...

A Wireless Sensor Network (WSN) consists of a group of energy-constrained tiny devices called sensors which have sensing, processing, and communicating capabilities. These sensors are deployed in a region of interest for monitoring targets or detecting events, and forwarding the processed data to the sink nodes or gateways. In any wireless network...

This letter proposes a robust target localization technique for acoustic underwater wireless sensor networks (UWSNs) that simultaneously experience the stratification effect and the non-line-of-sight (NLOS) bias. Specifically, we develop the range difference (RD)-based majorization minimization expression and its theoretical analysis, which leads t...

Clustering and routing processes in underwater wireless sensor networks (UWSNs) are challenging tasks in the underwater environment due to the multiplicity of sensor nodes, transmission bandwidth, and limited energy resources. In order to address the shortcomings mentioned above, this paper proposes a novel hybrid Chimp Optimization and Hunger Game...

Wireless sensor networks consist of some sensor nodes that have a minimum operational capability, with less memory capacity for storing data and limited energy source. The deployment of these nodes or sensors takes place randomly in a dynamic or static environment. This type of placement of nodes in a hostile environment can be charge by the malici...

Technological advancements in the area of the Internet of Things have fostered the development of multi‐hop architectures pertaining to applications seeking large network areas. However, while exploiting such applications, the sensor devices being used are made to communicate through multi‐hop routing techniques, burdening the relay nodes. Hence, i...

Clustering and layering are widely employed in large‐scale wireless sensor networks (WSNs) to alleviate data implosion, reduce transmission delay and improve energy efficiency. It is vital to conduct performance analysis in clustered WSNs for better defining and designing networks. Here, a general analytical framework based on a randomly spacial mo...

I. Abstract: A brilliant helmet has been created which will distinguish of dangerous occasions within the mines. In the advancement of head protector, we've considered the first danger that's air quality. The first is the fixation level of the risky gasses, for example, CO, SO2, NO2 and particulate issue. The well being head protectors do not have...

A Key management system plays an important role in the process of wireless communication between the nodes of a Wireless Sensor Network (WSN). Unlike the wired networks, WSNs are more vulnerable to attacks from the malicious nodes. To overcome the shortcomings of the existing key management systems, this paper proposes an adaptive multilevel locati...

Precision agriculture an advanced technology is used to enhance crop production and improve quality of crop. The proposed system is an attempt towards the automated crop suggestion. It uses the wireless sensor network (WSN) in the area of agriculture. The proposed system has two main components, a hardware which includes sensors that record the env...

The deployment of the sensor nodes (SNs) always plays a decisive role in the system performance of wireless sensor networks (WSNs). In this work, we propose an optimal deployment method for practical heterogeneous WSNs which gives a deep insight into the trade-off between the reliability and deployment cost. Specifically, this work aims to provide...

Wireless sensor network (WSN) is composed of a large number of cost-effective, small-size, battery-powered, computing devices for sensing and processing information to make global decisions about a physical phenomenon. Extending network lifetime without compromising security of WSNs is a critical issue. Novel commutative cipher based en-route filte...

A wireless sensor network (WSN) is an important modern technology supporting the internet of things. These networks are created as needed. There is no leading protocol, and many competing protocols exist. When a new protocol is developed, it must be tested on hardware. However, a simpler approach is to debug the protocol logic on a PC, not directly...

The most critical needs for wireless sensor networks (WSNs) are security, privacy, dependability, and autonomy. The networks might be vulnerable to hostile users and harmful usage if these problems are not ensured. Attacks and hazards are higher with centralized WSNs, particularly when data is shared with other businesses and sent between devices....

Energy efficiency and data gathering are the primary goals of wireless sensor networks (WSNs), challenging. Mobile sink and mobile chargers are two promising techniques for data collection by visiting (a set of) sensor nodes and energy replenishment, respectively. These two operations joined in a single mobile element for data gathering and energy...

In this paper, we propose a simple simulation model for analyzing and evaluating the low energy adaptive clustering hierarchy (LEACH) protocol’s performance in a noisy realistic wireless environment. A general parameter called probability of reception (pr) describes the noise level in this model. The success or failure of packet reception between s...

Wireless sensor networks (WSNs) consist of hundreds of small sensors that collect and report data. During data sharing, these WSNs become vulnerable to numerous security threats, including the deadly ones. Mitigating this risk is a real challenge, especially in a low‐resource environment such as a WSN. In this work, using a systematic literature re...

The need for secure communication in Wireless Sensor Networks (WSNs) is increasing as more and more complex sensors are being developed and deployed for a variety of purposes. Secure communication in WSN can be made possible by using secret group key. However, securely distributing group key among sensor nodes is a difficult task and requires very...

The Internet of things (IoT) provides an infrastructure to constructing smart cities. Through the installed IoT sensors in the city, a large amount of information of the city is detected and collected in a cloud center, which provides residents to have immediate and convenient services. To achieve the goal of smart cities, the fundamental challenge...

Smart factories in harsh large-scale environments are achieved by installation of group-based industrial wireless sensor networks (GIWSNs), in which a group of sensors are deployed on each machine target, for security and saving deployment time. In GIWSNs, enormous data for production (e.g., 3D digital twin and automated optical inspection images)...

The method for optimal allocation of network resources based on discrete probability model is proposed. In order to take into account multiple coverage of the monitored points, the method constructs the discrete probability perception model of the network nodes. The model is introduced into the solution of the node coverage area, and the optimized...

Wireless sensor networks (WSNs) have turned into a leading area of research over the course of the last few decades as they have been employed in various application domains. Since traditional approaches configure WSNs statically, their dynamic reconfiguration represents a difficult challenge. To address this challenge, clustering techniques can be...

One of the most important requirements for effective UAV–WSN operations is to perform data collection in timely and safe manner. Identifying an effective path in an environment with various obstacles and ensuring that the path may efficiently cover the selected stop points for effective data collection are both necessary and difficult. We propose a...

Despite widespread deployment of wireless sensor networks (WSN) in remote and inapproachable locations, energy consumption/storage of WSN hindered its adoption. Similarly, the battery-powered sensor nodes are of no use once the battery is depleted. To overcome this limitation, energy harvesting is one of the key techniques. In this paper, an almost...

Maximizing network lifetime is the main goal of designing a wireless sensor network. Clustering and routing can effectively balance network energy consumption and prolong network lifetime. This paper presents a novel cluster-based routing protocol called EECRAIFA. In order to select the optimal cluster heads, Self-Organizing Map neural network is u...

Organizing nodes into clusters and forwarding data to the base station (BS) in clustering routing protocols have been widely utilized to improve the energy efficiency, scalability and stability of wireless sensor networks. Making decisions on how many clusters are formed, which nodes are selected as cluster heads (CHs) and who become the relay node...

Wireless Sensor Network (WSN) has many sensor nodes that connect with sync nodes. The sensor node's power is a limitation. The expense and difficulty of battery charging and replacement affect sensor node life and network length. Clustering reduces the cost of internal cluster communication, thereby conserving energy. Generally, researchers seek fo...

The traditional laboratory LAN technology has the problem that the transmission efficiency is lower than the error rate. In this paper, a data acquisition and transmission method based on fuzzy DEMATEL algorithm for laboratory LAN is proposed. By laboratory LAN Internet data acquisition model, the laboratory LAN statistical characteristics of the o...

Hardware viewed in current energy models, but no appropriate attention is given to the network environment and parameters. Components of the traditional design of the network are often viewed individually and separately in terms of power consumption. In this paper we, look at all possible sensor operations and generate a model for energy management...

The problem of Data acquisition in large distributed Wireless Sensor Networks (WSNs) scale is a hindrance in the growth of the Internet of Things (IoT). Recently, the combination of compressive sensing (CS) and routing techniques has attracted great interest from researchers. An open question of this approach is how to effectively integrate these t...

Node localization technology can identify and track nodes, making observing data more relevant; for example, information received at the sink node would be useless to the client if node localization data from the sensor region were not included. Localization is described as determining the location of unknown sensor nodes named destination nodes ap...

In order to improve the transmission stability of sensor networks, a sensitive data mining method based on Pan Boolean algebra is proposed. According to the output correctness, reliability and operation efficiency of wireless sensor network, this paper analyzes the characteristics of sensitive data, extracts and clusters the associated features of...

The IEEE 802.15.4 standard is known as the most used technology for Wireless Sensor Networks (WSNs) because of their low rate and especially their energy efficiency. To better support the requirements of Low Energy Critical Infrastructure Monitoring (LECIM) applications, the IEEE 802.15.4k is approved. This amendment is intended for critical packet...

Nowadays, wireless sensor networks based applications is drastically increasing. One of the emerging and public safety applications is surveillance monitoring. This paper focused on monitoring a forest environment, is considered as the sample surveillance application. The existing deep learning application has been used only for object detection an...

This report presents the design, the implementation and simulation-based evaluation, and the runtime examination of Optimal Backoff Sleep Time Protocol based on Optimal Backoff Sleep Time Algorithm used to achieve an energy efficient coverage of randomly deployed nodes in Wireless Sensor Networks (WSN). In the case of randomly deployed nodes in rem...

In this Paper, an RF energy harvesting system in 0.18 μ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mu$$\end{document}m CMOS Technology is proposed in which a novel...

To better collect data in context to balance energy consumption, wireless sensor networks (WSN) need to be divided into clusters. The division of clusters makes the network become a hierarchical organizational structure, which plays the role of balancing the network load and prolonging the life cycle of the system. In clustering routing algorithm,...

Energy efficiency is of paramount concern in underwater sensor networks. The very nature of underwater environment makes it difficult to deploy an energy efficient network that enhances network lifetime. The existing protocols of terrestrial networks cannot be implemented directly to underwater scenarios and as such new protocols have to be designe...

Location awareness is essential to numerous wireless sensor networks (WSNs) applications. However, it is challenging to have an accurate location estimation, especially for the received signal strength (RSS)-based scheme in the presence of an unknown path loss exponent (PLE). To this end, the letter first develops the maximum likelihood estimator (...

A low-supply, nano-watt level CMOS-only voltage reference is proposed in this paper for the internet-of-things, wireless sensor networks, and implantable biomedical chips. The threshold voltage fluctuation caused by the process variation can be suppressed to within 30 mV through utilizing the threshold voltage difference between thick-gate transist...

The process of locating nodes is really a challenging problem in the field of wireless sensor networks. Wireless sensor network localization is commonly followed by the distance vector algorithm. All beacon nodes are currently using DV-Hop algorithms to locate the dumb node. On the other hand, the approximate distance from the dumb node to certain...

With the increase in mining depth and intensity, the threat of rockburst caused by high stress in stope to coal mining (CM) safety production is becoming ever more serious. However, it is more difficult to predict and prevent rockburst in deep mining coal seams under complex environments. Firstly, this paper analyzes the detection requirements in t...

A Wireless Sensor Network is a network that comprises of widely distributed self-automated hundreds to thousands of devices. These sensors are used in monitoring physical and environmental conditions. A reliable routing protocol establishes a secure network with power management and controls overhead and congestion. An algorithm designed in such a...

Deployment of vehicular ad hoc network (VANET) has drawn considerable attention in current times. Energy efficient designs and sensing coverage in networks are the critical issues. Scheming an optimal wake-up system that avoids awakening extra nodes is a very challenging problem. This nature-inspired algorithm known as Giraffe kicking optimization...

Wireless sensor networks are most used to monitor remote environments. Multitudinous sensor nodes gather data in a self-governing manner, operating on an exhaustive source of energy or battery. Clustering process structures the network into a hierarchy wherein sensor nodes gather data passed to selected cluster head nodes which perform data process...

In this work, we report performance optimization of a wireless sensor network (WSN) based on the plain silver surface plasmon resonance imaging (SPRi) sensor. At the sensor node level, we established the refractive index-thickness models for both gold and silver in the sensor and calculated the depth-width ratio (DWR) and penetration depth (PD) val...

Zigbee is a short-range wireless communication standard that is based on IEEE 802.15.4 and is vastly used in both indoor and outdoor Internet of Things (IoT) applications. One of the basic constraints of Zigbee and similar Wireless Sensor Networks (WSN) standards is limited power source as in most of the cases they are battery powered. Thus it is v...

With the development and progress of society, science and technology have entered the field of view of scholars at home and abroad. As the science and technology with the biggest potential in recent years, wireless sensor network has been involved in many scientific fields. This paper aims to study the wireless sensor modeling optimization algorith...

Average consensus theory is intensely popular for building time synchronization in wireless sensor network (WSN). However, the average consensus-based time synchronization algorithm is based on iteration that pose challenges for efficiency, as they entail high communication cost and long convergence time in large-scale WSN. Based on the suggestion...

Accurate and fast-convergent time synchronization is very important for wireless sensor networks. The flooding time synchronization converges fast, but its transmission delay and by-hop error accumulation seriously reduce the synchronization accuracy. In this article, a rapidflooding multiple one-way broadcast time-synchronization (RMTS) protocol f...