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Concepts related to Wireless Sensor Networks (WSN), Machine-to-Machine (M2M) and the Internet of Things (IoT) have recently gained significant attention in university education. According to this, the need for low-cost, modular, easy-to-use and scalable platform used for building various network systems in order to provide an environment for developing and testing software applications for WSN, IoT...
Research in recent years have led to the emergence of technologies for remote monitoring of patients with the wireless transmitted to biomedical signal obtained from various sensors. Specialist person who monitors can be connected via a router to the IP address of the wireless board monitoring system, and through software developed in LabVIEW graphical programming software can read the value of measuring...
In this work we have proposed to make a study of the optimal number of sensors, and their optimal placement on the human body for proper recognition of certain body positions. In our experiment we used three-axis accelerometer sensor built into the intelligent watch Chronos eZ430 product of Texas Instruments. Studying a large part of the published work addressing this issue [1–11], we placed the three...
This paper describes implementation of ECG Sensor. The system is capable of acquiring and storing patient's ECG data in real-time. This received patient data can be further processed for any real time processing applications. System hardware comprises of micro-controller based ECG acquisition system. Software developed in Visual Basic 6 helps in displaying real time ECG signal. It also stores ECG...
Planing the topology of wireless sensor networks (WSN) for a specific application is a complex task. Each application defines requirements to its WSN. Some of these requirements have to been fulfilled by the wireless technology, e.g., energy consumption and throughput, and some by the network topology, e.g., redundancy and latency. Topology makes restrictions to the wireless technology and the wireless...
The early detection of leaks in water supply pipelines and water theft prevention is an economically important issue not only for Latvian water utilities. However, monitoring and control of underground infrastructure presents a severe challenge. In recent years, wireless sensor networks are applied for Automated Meters Reading (AMR) and Advanced Metering Infrastructure (AMI). In this paper, authors...
Energy autonomy and system lifetime are critical concerns in wireless sensor networks (WSNs), for which energy harvesting (EH) is emerging as a promising solution. Nevertheless, the tools supporting the design of EH-WSNs are limited to a few simulators that require developers to re-implement the application with programming languages different from WSN ones. Further, simulators notoriously provide...
Wireless Sensor Networks (WSN) and related technologies have the important impact nowadays. These technologies have variety of applications, and they are key enabling technologies of IoT (Internet of Things). ZigBee standard is the most common WSN technology. Its importance and expansion, as a widely used technology in many different areas, influence the importance of including ZigBee technology in...
A Solar-Powered Sensor Module (SPSM) that uses low-cost capacitors as energy buffers to power wireless sensor motes was investigated. Compared to batteries or super capacitors, SPSM is particularly suitable for light-weight tasks since it buffers limited energy and powers up periodically. With our method, the energy charging time can be shortened to about 100 ms for a maximum power point tracking...
Wireless Sensor Networks (WSN) have enormous potential because they expand human ability to monitor and interact remotely with the physical world. Smart sensor nodes called motes can collect huge amount of hitherto unknown data for a whole new class of computing applications. Nevertheless, to exploit the potential of WSN, it is required to address peculiar limitations of these networks and resulting...
IEEE 802.15.4 being one of the key communication schemes for low power Wireless Sensor/Actuator Networks (WSAN) has been widely adopted for closed loop wireless control systems, healthcare monitoring systems, building automation, environmental monitoring etc. With increase in demand of "Anyplace and Anytime" available services, a need has been felt to integrate IEEE 802.15.4 with ubiquitously...
Internet of Things (IOT) is experiencing a super-fast growing phase. Wireless Sensor Networks (WSN), as the “five sense organs” and teleneuron of IOT, is developing fast along. Owing to the application-oriented characteristics of WSN, WSN applications may differ enormously in implementation methods. The WSN developers may have to rewrite the code for each and every application. Along with the increasing...
A wireless Sensor Network (WSN) consists of spatially distributed sensor nodes that cooperate in order to accomplish a specific task. What really sets WSNs apart from all the other kinds of distributed systems is the limited processing capabilities of the nodes, contingent energy restrictions, and their strict dependence to physical phenomena like attenuation, reflection, etc. Under this perspective,...
This paper describes the development of innovative low-cost home dedicated fire alert detection system (FADS) using ZigBee wireless network. Our home FADS system are consists of an Arduino Uno Microcontroller, Xbee wireless module (Zigbee wireless), Arduino digital temperature sensor, buzzer alarm and X-CTU software. Arduino and wireless ZigBee has advantages in terms of its long battery life and...
Enhancing the living standards of elderly people is important, and providing them with proper care at the time of emergency is necessary. Unintentional falls often result in an emergency situation for seniors. A novel approach based on efficient pre-fall detection is used to develop a system with smart wireless sensors that provide monitoring and protection for seniors and patients from a fall occurrence...
The relative significance of available processing/memory resources and cost/power constraints for wireless sensor-actuator nodes depends on the application and use-case scenario. As an example, wireless automation applications usually have diverse processing/memory resource demands and energy constraints, and they bring forth development feasibility as one of the important decision criteria. For similar...
The use of commercial off-the-shelf components for implementing Internet of Things devices has become a common practice amongst researchers and solution providers. IOT solutions, based on the Raspberry Pi, BeagleBone and BeagleBone Black, offer cost effective, versatile and uncomplicated platforms for rapid application development. The devices are treated as black box devices and little work has been...
Energy efficiency is an important issue during the design and the overall performance evaluation of an UWSN system. Clustering sensor nodes have proven to be an effective method to improve the load balancing and scalability of the network while minimizing the system's overall energy consumption. In this paper, a new clustering algorithm is proposed to provide an improved cluster system against cluster-head...
Applying wireless sensor networks to the intelligent lighting control system has become a positive inspiration to the new home and renovation projects, as it increases the quality of life and comfort of the inhabitants, simultaneously facilitating energy conservation and environmental sustainability. An ongoing topic in wireless sensor networks domain is the aim to save energy. One currently successful...
This paper describes a development that has been carried out by the Autolog-UCLM research group in partnership with local Industry as a result of an employee falling ill during work in a huge assembly workshop, and not being detected until the end of a 12 hours shift. The proposed system can trigger rescue operations and be connected to active data networks. It can be used in enclosed environments...
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