Research of high-speed wireless transmission system under mine

In the field of modern wireless communication, there are mainly some technologies that provide solutions to the wireless data transmission network, such as: GSM, CDMA, 3G, Wi-Fi. These solutions make network work with high efficiency and good quality, but still with high cost. So it was difficulty in popularizing in with low cost and at the circumstance of infrastureless or infrastructure destruction. According to this situation, in this paper, the key components of the Information Terminal and the wireless receiving modules on the data collection and wireless transmission network were designed with the principle of transceiver nRF905 and 51 series of single-chip computer as the core hardware, besides, combining with the current technology on the Wireless Ad Hoc Networks, a short-rang wireless data sampling and transmission network was putting up , which provides a low-powered and high-performance wireless data communication system, works in the ISM (Industrial Scientific Medical )Band. Then, an available solution to the wireless data communications was put forward, and this solution was good at stronger real-time response, higher reliability requirement and smaller data amount. Through software and hardware debugging and actual measuring, this system based on our solution had work well, reached the expected goal and been already successfully applied to Wireless vehicle System.

In the field of modern wireless communication, there are mainly some technologies that provide solutions to the wireless data transmission network, such as: GSM, CDMA, 3G, Wi-Fi. These solutions make network work with high efficiency and good quality, but still with high cost. So it was difficulty in popularizing in with low cost and at the circumstance of infrastructureless or infrastructure destruction. According to this situation, in this paper, the key components of the information terminal and the wireless receiving modules on the data collection and wireless transmission network were designed with the principle of transceiver nRF905 and 51 series of single-chip computer as the core hardware, besides, combining with the current technology on the wireless ad hoc networks, a short-range wireless data sampling and transmission network was putting up , which provides a low-powered and high-performance wireless data communication system, works in the ISM (Industrial Scientific Medical ) band. Then, an available solution to the wireless data communications was put forward, and this solution was good at stronger real-time response, higher reliability requirement and smaller data amount. Through software and hardware debugging and actual measuring, this system based on our solution had work well, reached the expected goal and been already successfully applied to wireless vehicle system.

This design presents electronic design for an implantable wireless power and data transmission system with an inductive link designed for bio-sensor signal sensing. The system consists of an external module and an implantable module which includes a power regulator, a pressure sensor and a data transmitter. This paper puts forward a detailed design of the inductive link and two important blocks of the internal module-preamplifier and filter. The designed circuits are implemented in 0.5-um 2P3M standard CMOS process.

first_page settings Order Article Reprints Font Type: Arial Georgia Verdana Font Size: Aa Aa Aa Line Spacing:    Column Width:    Background: Open AccessAbstract Characterization and Implementation of in-to-out Body Wireless Sensor Data Transmission for Smaller Ruminants † by Lu Wang 1,*, Günter Vermeeren 2, Marta Prim 1, Wout Joseph 2 and Carles Ferrer 1 1 Department of Microelectronics and Electronic Systems, Autonomous University of Barcelona, 08193 Bellaterra, Spain 2 Department of Information Technology (INTEC), Ghent University/IMEC, 9052 Ghent, Belgium * Author to whom correspondence should be addressed. † Presented at the 5th International Symposium on Sensor Science (I3S 2017), Barcelona, Spain, 27–29 September 2017. Proceedings 2017, 1(8), 847; https://doi.org/10.3390/proceedings1080847 Published: 6 December 2017 (This article belongs to the Proceedings of Proceedings of the 5th International Symposium on Sensor Science (I3S 2017)) Download Download PDF Download PDF with Cover Download XML Versions Notes Among bioclimatic indicators for ruminants, the rumen stability is crucial to determine the animal’s health status. A modern solution to monitor the rumen condition consists of an implant sensing bolus that collects and transmits bioclimatic ruminal data, such as temperature and pH value, and a wearable on-body receiver which also communicates with a remote control platform. Such a solution is being adopted in cattle management as the bovine animal size does not impose strict requirements on the dimensions and weight of the bolus. However, for smaller ruminants such as sheep and goats, research on autonomous health monitoring and ruminal sensing bolus development is lagging behind. In this work, we characterized numerically the in-to-out body wireless data transmission in smaller ruminants using the 3D electromagnetic finite-difference time-domain (FDTD) solver available in sim4life (ZMT, Zurich, Switzerland). First, we dimensioned a spiral antenna operating at 433 MHz for integration in a ruminal bolus whose volume is 70% less than that of a bovine bolus while taking into account the frequency detuning due to the proximity of the printed circuit board (PCB) and animal tissues. Next, we investigated the in-to-out body path loss in a homogeneous animal model and verified it with a bioequivalent phantom. The in-to-out body path loss analysis can be used to predict in vivo propagation with living adult sheep or goats. © 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Share and Cite MDPI and ACS Style Wang, L.; Vermeeren, G.; Prim, M.; Joseph, W.; Ferrer, C. Characterization and Implementation of in-to-out Body Wireless Sensor Data Transmission for Smaller Ruminants. Proceedings 2017, 1, 847. https://doi.org/10.3390/proceedings1080847 AMA Style Wang L, Vermeeren G, Prim M, Joseph W, Ferrer C. Characterization and Implementation of in-to-out Body Wireless Sensor Data Transmission for Smaller Ruminants. Proceedings. 2017; 1(8):847. https://doi.org/10.3390/proceedings1080847 Chicago/Turabian Style Wang, Lu, Günter Vermeeren, Marta Prim, Wout Joseph, and Carles Ferrer. 2017. "Characterization and Implementation of in-to-out Body Wireless Sensor Data Transmission for Smaller Ruminants" Proceedings 1, no. 8: 847. https://doi.org/10.3390/proceedings1080847 Find Other Styles Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here. Article Metrics No No Article Access Statistics Multiple requests from the same IP address are counted as one view.

A simultaneous wireless power and data transfer system for UAV based on double-sided LCC compensation structure was presented in this paper. To achieve the efficient power transmission and stable data transmission, the data transmission gain is firstly set to be promoted through the analysis on data transfer channel. The double-sided LCC topology with band-stop trapper is used to reduce the interference of power channel to data transfer channel. The coupling relationships between each circuits are taken into consideration and a matching method of resonance parameters to increase the data transmission gain is presented. Based on the relationship between transmission gain and interference of power channel, an optimization design method focused on data transfer channel parameters for improving the signal to noise ratio is presented. Finally, the simulation and experimental results could verify that the proposed optimization of simultaneous wireless power and data transfer system has promoted the SNR and kept stable power transmission.

Cutting condition monitoring plays an important role in modern manufacturing to improve cutting efficiency and machining accuracy, and reduce cost. More and more researchers start integrating the sensors into the tool holder to detect the cutting status information in view of its convenient use and wide applicability. However the sensor signals are difficult to transmit out through traditional wired way as the tool holder is in high-speed rotation in milling process. Therefore, a multi-channel high-precision wireless data acquisition and transmission system was designed and developed. The system hardware was designed based on AD7606 and AR9331, and a STM32 was used as the microcontroller. The data transmission was based on socket, and the software of the system was completed. Finally, a series of tests were carried out to evaluate the performance of the developed system, including collecting DC voltage and sinusoidal signal under the static state, and applying to the smart tool holder to carry on the data acquisition and transmission test under the rotating state. The test results showed that the developed system had high reliability and precision, and could collect the sensor signals from the tool holder and transmit to the host computer timely and accurately.

Design of wireless data transmission system in short distance by using FPGA and RF chip nRF2401 is introduced in this paper: The wireless data communication system constitutes of SOPC (the core of the system) embedded in FPGA and the necessary peripheral circuits. The paper also introduces the usage of the burst mode transfer of the Wireless transmission chip under the control of FPGA and the principles of wireless transmission. And the main features and usage of the wireless digital chip nRF2401 are introduced. Design of half-duplex communication in the sudden transfer mode and the key technology of wireless data transmission are also involved in the paper. The system is controlled easily, work steadily and can realize the wireless data transmission. The entire system is designed by SOPC Builder and Quartus II, the main control adopts C to programming. The design is downloaded into FPGA device which belongs to the Cyclone I family of Altera. The design is very agile, and easy to debug. The system has the advantage of simple structure, low-budget, low power consumption, etc. This makes the system applicable to outdoor environment and any other monitoring of the dynamic system state.

Advanced material processing technologies require non-traditional monitoring system devices to provide real-time information on the ongoing technological processes. The article proposes a sensor node composed from cone-shaped tool holder for shank-type rotating tools with embedded self-powering wireless data processing and transmission system. Design of the tool holder with helical slots on its surface is prepared and presented. These helical slots introduced on the surface of the cone-shaped tool holder transforms the cutting tool torsional (T) vibrations present during operation into the longitudinal (L) vibrations that propagate through the tool holder in the axial direction and excite the piezoelectric transducer. The purpose of the developed sensor node inside the tool holder is to monitor the heavy lubricated milling process which is expressed by the capacitor load rate of harvested electric charge, which depends on the conditions of the cutting tool. The electric charge generated by exciting of piezoelectric transducer from the cutting tool vibrations exponentially rises until the capacitor is fully charged and the capacitor charging time interval is recorded while the harvested energy is used to power auxiliary electronics with wireless data transmission capability. As the intensity of energy accumulation depends on the state of the cutting tool wear, the capacitor charging time is used to detect changes in the tool condition. Such proposed real-time cutting process monitoring allows controlling the quality of the workpiece being machined and preventing damage to the equipment. This paper is dedicated to the research and development into one of the key stages of “Industry 4.0,” using cybernetic-physical components, numerical models, and self-powering wireless monitoring systems for the application in context of the “Internet of Things” (IoT).

Wireless power and data transmission system developed for an intraocular vision aid for blind patients will be described. This system is applicable for patients suffering from bilateral corneal opacification but with intact posterior ocular. The system consists of an external unit as well as an implant. The external unit is required for image acquisition, channel coding, IR data transmission, and RF power transmission to the implant. The implantable unit contains a CMOS receiver, a receiver antenna coil, and the microdisplay based on a LED array. The CMOS receiver serves for reception and decoding of image data as well as driving circuits for the miniaturized LED array. In this case, mechanical wiring between the external unit and the implant is neither useful nor comfortable. An optimal technical solution needs a wireless data transfer. If the power is transferred to the implant wireless, too, the solution grows ideal. The system described in this communication employs wireless power and data transmission using an 13.56 MHz RF link for power transmission and an near IR (NIR) optical link for data transmission from an external CMOS camera and telemetry unit to the implantable micro display.

A wireless data transmission system was developed to remotely monitor sediment runoff at a low-water crossing in real time. The system uses wireless motes and other devices to form a wireless sensor network to collect data from multiple sensors. The system also uses a Stargate, a single-board computer, as a gateway to manage and control data flow and wireless data transfer. The sensor signals are transmitted from an aircard on the Stargate to an Internet server through the General Packet Radio Service (GPRS) provided by a commercial GSM phone system. Various types of antennae are used to boost the signal level in a radio-hostile environment. Both short- and long-distance wireless data communications were achieved. Power supplies for the motes, Stargate, and aircard were improved for reliable and robust outdoor applications. The application software was developed using Java, C, nesC, LabView, and SQL to ensure seamless data transfer and enable both on-site and remote monitoring. Remote field tests were carried out at different locations with different GPRS signal strengths and a variety of landscapes

A frequency diplexer network for ultrawideband radios focused on wireless parallel data transmission is presented. It has a combination of two bandpass filters utilizing manifold multiplexing technique. In the frequency band 6–9 GHz, two flat sub-bands at center frequencies 6.7 and 8.3 GHz have been achieved with respect to forward transmission, input reflection, and group delay. A maximum group delay variation of 0.6 ns was measured in the sub-bands. For low cost and simple circuit implementation, the design is implemented using the microstrip technology. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1869–1871, 2014

Low-power wireless data acquisition is an important technical means to achieve automation and unmanned surveillanc of ultrasonic measurement systeme. Using wireless communication technology for ultrasonic data transfer, an ultrasonic data transfer method based on Zigbee technology is presented. The entire system hardware circuits and principle are discussed. The system consists of ultrasonic sensor nodes, wireless coordinator node and the terminal nodes. Zigbee protocol is used for the wireless transmission of data between nodes. Ultrasonic sensor nodes distributed in the measurement site and is responsible for collecting ultrasound information. Sensor nodes form self-organized the wireless data transmission network with the centre of coordinator nodes. Terminal nodes obtained the data from ultrasound treatment and transferred to the computer through the serial port and display records. Using TI's CC2430 chip design, nodes make full use of the performance characteristics of the chip SoC with very few external components. The transmission system has good stability, low power consumption and small size. It can be easily laid to completed or under construction building of the application sites, easy to use and maintain.

Lightning is an environmental phenomena that cause many fatalities and property destructions in Malaysia since the country is located in the high isokeraunic area. To reduce the fatalities an alert system should be developed. The alert system can consist of several Rotating Electric Field Mill sensors which are installed in spread. Data from the sensors must be gathered in a data centre building for observation, analysis, and triggering an alert signal. Therefore, the objective of this work is to develop a data transmission system by using a wireless method. The wireless data transmission system consists of a microcontroller, voltage divider, and GSM module. Hardware and software development is carried out to achieve the objective. Furthermore, to test the transmission system a function generator is connected to the analog digital converter input of the microcontroller. By varying the magnitude of the function generator output an observation on data transmission is carried out. It is found that the magnitude of receiving data which is displayed on the website is exactly the same with the sent data. In here in lab wireless data transmission system devices and a website to observe the transmitted data from Rotating Electric Field Mill sensors has been successfully developed.

The operation of a spintronic detector in the near field of an antenna emitting a microwave signal at a frequency of 10 GHz has been investigated. The feasibility of using a detector based on a LusFesOn/Pt heterostructure, operating due to the inverse spin Hall effect, has been studied. A comparison was made between the experimentally measured output voltage of the detector and theoretical calculations of the power distribution of the electromagnetic field, performed using COMSOL Multiphysics. The sensitivity of the detector was determined, and the dependence of the output signal on the distance to the radiation source was measured. The obtained results confirm the feasibility of using spintronic heterostructures in wireless data and energy transmission systems. The prospects for using the detector in wireless communication and data transmission systems operating in the near field of an antenna, such as RFID (Radio Frequency Identification) and NFC (Near Field Communication), are considered.

Local positioning will be one of the most exciting features of the next generation of wireless system. With this technique a mobile device can either gather the information about its position or can be localized from elsewhere. Completely new concepts and features in wireless data transmission and transponder systems is enabled by this. Self-organizing sensor networks, ubiquitous computing, location service billing, context dependent information services, tracking and guiding are only some of the numerous possible application areas. This paper gives an overview over existing wireless positioning solutions and attempts to structure different techniques and applications. Furthermore two novel positioning systems currently developed by Siemens are featured as system examples. First a neural cellular positioning system NCPS is introduced. This system is designed for positioning solutions for industrial, medical and consumer scenarios and is based on existing wireless voice and data infrastructure. Second the Siemens local positioning radar (LPR) is presented. This system is designed for cm-precision and realtime positioning in the area of industrial logistics, control and automation. The application examples are completed by an application in the field of augmented reality computing.