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Now showing items 161-170 of 195
A comparative study of the field strength prediction methods in the MW band
(IET, 2008-10-23)
[EN] The recently developed digital radio systems for the MW band require accurate field
strength prediction algorithms for coverage estimation. This paper presents a
comparison of the estimation accuracy provided by the ...
Characterization of non-intentional emissions from distributed energy resources up to 500 kHz: A case study in Spain
(Elsevier, 2019-09-06)
[EN] Narrow Band Power Line Communications (NB-PLC) systems are currently used for smart metering and power quality monitoring as a part of the Smart Grid (SG) concept. However, non-intentional emissions generated by the ...
Field Trials for the Empirical Characterization of the Low Voltage Grid Access Impedance From 35 kHz to 500 kHz
(IEEE, 2019-06-21)
[EN] The access impedance of low-voltage (LV) power networks is a major factor related to the performance of the narrow-band power line communications (NB-PLCs) and, in a wider sense, to electromagnetic compatibility (EMC) ...
Empirical Evaluation of the Impact of Wind Turbines on DVB-T Reception Quality
(IEEE, 2011-12-09)
[EN] This paper describes the results of two extensive measurement campaigns for evaluating the potential impact of scattered signals from wind turbines on terrestrial DTV reception quality in the UHF band. A detailed ...
An Empirical Comparative Study of Prediction Methods for Estimating Multipath Due to Signal Scattering from Wind Turbines on Digital TV Services
(IEEE, 2011-04-29)
[EN] Several authors have theoretically studied the
effect of wind turbines on the propagation of electromagnetic
waves in the UHF band. The International Telecommunication
Union also proposes a simplified model to ...
Planning Large Single Frequency Networks for DVB-T2
(IEEE, 2015-09)
[EN] The final coverage and associated performance of an SFN is a joint result of the properties of all transmitters in the SFN. Due to the large number of parameters involved in the process, finding the right configuration ...
Impact analysis of wind farms on telecommunication services
(Elsevier, 2014-01-25)
[EN] Wind power is one of the fastest-growing technologies for renewable energy generation. Unfortunately, in the recent years some cases of degradation on certain telecommunication systems have arisen due to the presence ...
Large size FFTs over time-varying channels
(IET, 2014-06-01)
[EN] In orthogonal frequency division multiplexing (OFDM) signals, the usage of large size fast Fourier transforms (FFTs) reduces the guard interval percentage, and therefore increases the data throughput reducing the data ...
Experimental Study of the Response of Efficient Lighting Technologies to Complex Voltage Fluctuations
(Elsevier, 2014-07-09)
The replacement of incandescent lamps with more energy-efficient lighting technologies has a direct influence on the way flicker is measured. The International Electrotechnical Commission (IEC) established in the 61000-4-15 ...
Machine Learning Techniques for the Detection of Shockable Rhythms in Automated External Defibrillators
(Public Library Science, 2016-07-21)
Early recognition of ventricular fibrillation (VF) and electrical therapy are key for the survival of out-of-hospital cardiac arrest (OHCA) patients treated with automated external defibrillators (AED). AED algorithms for ...