Measurement of pulse-combining processing gain of UWB communication system using TIMS

Rakús, Martin; Palenik, Tomas; Dobos, Jan

doi:10.1109/tsp.2015.7296380

Cited by 3 publications

(2 citation statements)

References 4 publications

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“…To continue the method assessment with compliant

transducers, manufacturing procedures using reactive-ion etching in the micrometer range have been studied [ 13 ], as seen in Figure 19 a. These mechanical elements depicted in Figure 19 a,b are being investigated further [ 14 , 15 , 16 , 17 , 18 ].…”

Section: Discussionmentioning

confidence: 99%

Towards a MEMS Force Sensor via the Electromagnetic Principle

Hartansky

Mierka

Jančárik

et al. 2023

Sensors

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Force measurement is a science discipline that experiences significant progress with the introduction of new materials and evaluation methods. Many different sensor types, working on different principles, have been developed and reviewed and have found use in medicine as well as many other industries. New trends and demands require a size reduction and simple applicability, with the use of, for example, micro electromechanical systems (MEMS). For purposes of this study, the initial MEMS body is supplemented by its scaled version. Force measurement in this study works on the force to time-delay conversion principle. A compact compliant mechanical body (CCMB) with an embedded parallel resonant circuit (PRC) acting as a transducer realizes the conversion. Depending on the resonant frequency of the transducer (CCMB or MEMS), we have measured the applied force based on the reverse influence of the transducer on the surrounding EM field. The analysis shows that the transducer’s resonant frequency has a detectable reverse influence on the voltage-controlled oscillator (VCO) DC supply current. The force influencing the transducer is determined by the DC supply current ripple position during the VCO frequency sweep. The study presents the method proposal and mathematical analysis, as well as its function verification by simulation and prototype measurements. The proposed principle was validated on a CCMB prototype capable of measuring forces up to ∼2.5 N at a sampling frequency of ∼23 kHz, while the measured time-delay ranges from 14.5 µs to 27.4 µs.

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“…To continue the method assessment with compliant

Section: Discussionmentioning

confidence: 99%

Towards a MEMS Force Sensor via the Electromagnetic Principle

Hartansky

Mierka

Jančárik

et al. 2023

Sensors

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“…According to the known EM wave behavior in the Fraunhofer region, in an ideal case, the radiation pattern shape will not change with increasing distance [18], [19]. Other known restrictions and recommendations described in [20], [21] have to be observed as well. Once the desired measurement distance or distances are defined, the quadcopter pilot, situated on the ground, uploads the mission containing the flight path into the quadcopter guidance system.…”

Section: Ii2 Radiation Pattern Measurement Proceduresmentioning

confidence: 99%

Identification of Faulty Antenna in Large FM Antenna System Using Quadcopter Measurements

Krchnak,

Hartansky,

Dzuris

et al. 2023

IRECAP

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The rise in Unmanned Aerial Vehicle (UAV) utilization in science, research, and measurement procedures offers an advancement in various diagnostics methods and an improvement in measurement accuracy and versatility. This also applies to large Antenna Systems (AS), in FM and DVB-T frequency bands, parameter measurements, as well as to their diagnostics. The article presents the electromagnetic field intensity measurements performed by an autonomous quadcopter at a sufficient distance from the AS along with a brief description of the measurement procedure. The measured data are used for faulty antenna identification in a large AS. The article follows upon previous study regarding a large AS diagnostics and shows a comparison between the data calculated by a computation software and the data measured with the use of a quadcopter and specialized measurement device. Based on the results of the comparison, the individual faulty antenna is identified. The quadcopter measurement can be performed during continuous operation of the transmitter (AS is radiating).

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Methods of computer modeling of electromagnetic field propagation in urban scenarios for Internet of Things

Kliuchka,

Harťanský,

Halgoš

2023

Journal of Electrical Engineering

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The paper investigates software solutions to simulate radio waves propagation in urban environment, specifically for the context of the Internet of Things (IoT). The purpose of the study is to provide a comprehensive guide for utilizing the Altair Feko software to obtain a detailed representation of the IoT network, its associated parameters and how they relate to the modeling of electromagnetic fields. It is beneficial to simulate the network during the design stage to obtain valuable data and make necessary adjustments. The key features of a Sigfox or other low power IoT network can be obtained by simulation, enabling an evaluation of the network design prior to its actual implementation. Given the growing demand for IoT devices and networks, researching the optimal design and performance of such networks is of great importance. This underscores the need for continuous exploration of effective methods to achieve efficient design and performance of IoT networks.

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Measurement of pulse-combining processing gain of UWB communication system using TIMS

Cited by 3 publications

References 4 publications

Towards a MEMS Force Sensor via the Electromagnetic Principle

Towards a MEMS Force Sensor via the Electromagnetic Principle

Identification of Faulty Antenna in Large FM Antenna System Using Quadcopter Measurements

Methods of computer modeling of electromagnetic field propagation in urban scenarios for Internet of Things

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