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The development of mobile internet and semiconductor technology making the people getting strong demand for the home life of the network, intelligence and energy saving. Now a days, energy saving is becoming more vital role as the energy conservation and environmental protection are taking more and more attentions. We can detect environmental condition through intelligent control using Wireless Sensor...
This paper focuses on the implementation of a modified lightweight version of the MODBUS protocol optimized for wireless sensor networks. Here, the master and slave arrangement is made wireless using low cost and multi-featured RF modules (nRF24L01P). The modified MODBUS Packet Data Unit is sent in the data frame of the nRF24L01P. As part of the implementation in this paper the nRF24L01P's feature...
In the future Internet of Things, many common household devices will have communications interfaces added. We investigate energy-efficient design options for such communications interfaces in the Internet of Things through the example of a simple stock control application that may be commercially implemented. We have measured the power consumption of several popular wireless interfaces - 433 MHz module...
The wireless sensor network (WSN) is a promising technology for monitoring infrastructures, industrial structures, home security, industrial security, elderly people, and so on. An attractive characteristic of the WSN is to be easily installed to the conventional places by using the battery driven sensor nodes. The equipment cost is rather cheap since the heavy constructing work for wiring the power...
Today, coal mines are very dangerous work places and accidents can still occur. In such situations, remote monitoring of the health conditions of miners can better aid search-and-rescue efforts after accidents. In this context, the use of wireless sensor networks can be highly advantageous. In this work, the development of a coal mine safety system based on ZigBee technology is described.
Wireless Sensor Networks (WSNs) consist of multiple unassisted embedded devices which process and transmit data collected from different on-board physical sensors (temperature, humidity, pressure, etc.,). There are several applications in WSN such as agriculture, industrial monitoring, etc.,. In agriculture, plant diseases are regularly monitored by WSN. This survey paper explains about the existing...
Researchers throughout the years have been searching for methods to improve the available technologies to ease the users worldwide. In medical industries, researchers have made many improvements and development in medical equipment's to ease the medical professionals in serving patients. This work is the continuation of the previous research work in providing complete set of data for analysis on human...
In this paper, we develop the base-station platform for in-vehicle wireless sensor network system. The base-station platform is a component of in-vehicle wireless sensor network system which includes wireless sensor nodes platforms, an OBD (On-Board Diagnostics) module, and a user device (e.g., smart-phone, head-unit, and navigation). The in-vehicle wireless sensor network system applies wireless...
Smuggling/theft of most important trees such as sandal wood in forests, poses a serious threat to forest resources, causes significant economic damage and ultimately has quite a devastating effect on the environment all over the world. This paper propose a microcontroller based anti poaching system employing WSN technology, which is capable of detecting theft by monitoring the vibrations produced...
Vibration analysis provides relevant information about abnormal working condition of machine parts. Vibration measurement is prerequisite for vibration analysis which is used for condition monitoring of machinery. Also, wireless vibration monitoring has many advantages over wired monitoring. This Paper presents, implementation of a reliable and low cost wireless vibration monitoring system. Vibration...
The low-power wireless data acquisition and transmission system based on ZigBee is designed.The main work include the following aspects: 1)The circuit design and the software design of the system. 2)The multi-channel sensor data acquisition interface and the software of the system design. 3)Low-power design method for the node software. 4)The system based on ZigBee is build and debugged. The results...
Power distribution room is the key position of the power supply system, it is very important to monitor power distribution room and real time warning in order to ensure the normal power supply. A design of a detection system based on Zig Bee wireless sensor network, the hardware based on CC2530, software development based on Zig Bee. Designing a novel microstrip antenna because of the harmonic interference...
This paper discusses the use of Wireless Sensor Networks (WSN) for low data rate and power constrained applications like precision agriculture. Studies of different WSN technologies were conducted and their utility in precision agriculture was evaluated. A ZigBee based sensor node was implemented and field tested. The Sensor Network was also simulated in network simulator (NS2.34) and various network...
Assistive technologies are deployed to preserve good health and security of elderly people living independently in their own home. One such technology is the indoor localization which helps to detect the level of their daily activities. Among low intrusive technologies, the RF signal strength (RSSI) is a very attractive approach as it does not need additional localization hardware and is being already...
According to the present situation of the wireless communication technology in the mine underground, the article makes a compare and analysis of the present of widely use of IrDA, RFID, Bluetooth, UWB and ZigBee etc. Short distance wireless communication, and designs the mine underground personnel positioning system using RFID technology based on the research of transmission characteristics of radio...
Researchers throughout the years have been searching for methods to improve the available technologies to ease the users worldwide. In medical industries, researchers have made many improvements and development in medical equipment's to ease the medical professionals in serving patients. This work is the continuation of the previous research work in providing complete set of data for analysis on human...
Monitoring applications have been deployed throughout the years using either wired or short and long distance wireless technology. The wireless technologies itself have been developing and on increasing trends throughout the years. This study discusses on the comparison on two types of wireless technologies to be deployed in the healthcare industries for monitoring patient's vital signs, which are,...
Data fusion is one of the subsystems in data aggregation that aims to conserve power consumption by reducing the size of the transmitted data. The purpose of this paper is to present a simple data fusion mechanism called local data differentiation (LDD) for actual implementation in micro-controlled sensor nodes. LDD requires the end node to calculate the average value of an initially sampled data...
This paper presents an advanced network system for Wireless Body Area Network (WBAN) using different types of transmission media and wireless technologies to satisfy the needs of WBAN. Based on current research and surveys, this network architecture constitutes an innovative plug and play sensor network for WBAN by using Human Body Communication (HBC), Zigbee and Near Field Communication (NFC).
Radio tomographic imaging (RTI) has recently been proposed for tracking object location via radio waves without requiring the objects to transmit or receive radio signals. The position is extracted by inferring which voxels are obstructing a subset of radio links in a dense wireless sensor network. This paper proposes a variety of modeling and algorithmic improvements to RTI for the scenario of roadside...
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