• Privacy-preserving security solution for cloud services 

  Malina, Lukáš; Hajný, Jan; Dzurenda, Petr; Zeman, Václav (Universidad Nacional Autónoma de México, 2015-03-18)

  We propose a novel privacy-preserving security solution for cloud services. Our solution is based on an efficient non-bilinear group signature scheme providing the anonymous access to cloud services and shared storage ...

• Activation Process of ONU in EPON/GPON/XG-PON/NG-PON2 Networks 

  Horváth, Tomáš; Münster, Petr; Oujezský, Václav; Vojtěch, Josef (MDPI, 2018-10-16)

  This article presents a numerical implementation of the activation process for gigabit and 10 gigabit next generation and Ethernet passive optical networks. The specifications are completely different because GPON, XG-PON, ...

• Distributed Sensing Based on Interferometry and Polarization Methods for Use in Fibre Infrastructure Protection 

  Münster, Petr; Horváth, Tomáš; Vojtěch, Josef (MDPI, 2019-04-16)

  Fibre optic infrastructures are very important, and therefore, it is necessary to protect them from fibre cuts. Most fibre cuts are caused by digging activity, and many network operators seek appropriate solutions enabling ...

• New voltage-mode universal filter and sinusoidal oscillator using only single DBTA 

  Herencsár, Norbert; Koton, Jaroslav; Vrba, Kamil; Lattenberg, Ivo (Taylor & Francis, 2010-04-01)

  In this article, a new voltage-mode second-order universal frequency filter and sinusoidal oscillator using only single differential-input buffered and transconductance amplifier (DBTA) is presented. The proposed voltage-mode ...

• Realisations of single-resistance-controlled quadrature oscillators using a generalised current follower transconductance amplifier and a unity-gain voltage-follower 

  Herencsár, Norbert; Vrba, Kamil; Koton, Jaroslav; Lahiri, Abhirup (Taylor & Francis, 2010-08-01)

  This article presents realisations of single-resistance-controlled-oscillators (SRCOs) using the recently proposed modern active building block (ABB), namely the generalised current follower transconductance amplifier ...

• CMOS-based active RC sinusoidal oscillator with four-phase quadrature outputs and single-resistance-controlled (SRC) tuning laws 

  Lahiri, Abhirup; Herencsár, Norbert (Elsevier, 2012-09-07)

  This paper proposes a very compact CMOS realization of active RC sinusoidal oscillator capable of generating four quadrature voltage outputs. The oscillator is based on the cascade of lossless and lossy integrators in loop. ...

• Illuminance Sensing in Agriculture Applications Based on Infra-Red Short-Range Compact Transmitter Using 0.35um CMOS Active Device 

  Šotner, Roman; Jeřábek, Jan; Polák, Ladislav; Petržela, Jiří; Jaikla, Winai; Tuntrakool, Sunti (IEEE, 2020-01-29)

  This paper introduces a novel electronic system for simplex low-bitrate infra-red (IR) communication applications. The transmitter is implemented completely by analog building blocks, formed with the help of a recently ...

• Study of impact of voltage gain of comparator on performance of newly designed functional generator 

  Šotner, Roman; Jeřábek, Jan; Herencsár, Norbert (Elsevier, 2018-07-13)

  This paper focuses on analysis of impact of voltage gain of comparator on features of designed triangular and sine wave generator. Newly designed generator employs minimal number of passive and active components based on ...

• Application for GPON Frame Analysis 

  Holík, Martin; Horváth, Tomáš; Oujezský, Václav (MDPI, 2019-06-21)

  This article presents a design of a database model used to gather and analyze data frames transmitted over gigabit passive optical network (GPON) in the downstream direction. An issue with this kind of system is the ...

• Validation of Fractional-Order Lowpass Elliptic Responses of (1 + )-Order Analog Filters 

  Kubánek, David; Freeborn, Todd; Koton, Jaroslav; Dvořák, Jan (MDPI, 2018-12-13)

  In this paper, fractional-order transfer functions to approximate the passband and stopband ripple characteristics of a second-order elliptic lowpass filter are designed and validated. The necessary coefficients for these ...

• Integer-and Fractional-Order Integral and Derivative Two-Port Summations: Practical Design Considerations 

  Šotner, Roman; Domanský, Ondřej; Jeřábek, Jan; Herencsár, Norbert; Petržela, Jiří; Andriukaitis, Darius (MDPI, 2020-01-13)

  This paper targets on the design and analysis of specific types of transfer functions obtained by the summing operation of integer-order and fractional-order two-port responses. Various operations provided by fractional-order, ...

• Novel Algorithm in Activation Process of GPON Network 

  Horváth, Tomáš; Münster, Petr; Jurčík, Michal; Filka, Miloslav (Croatian Communications and Information Society, 2016-02-17)

  Passive optical networks are dominating access networks around the world due to its their economical aspect, bandwidth, and penetration. It is necessary to deal with specification of these networks.

• Fully differential first-order allpass filters using a DDCC 

  Horng, Jiun-Wei; Wu, Chang-Ming; Herencsár, Norbert (NISCAIR-CSIR, 2014-08-01)

  Two voltage-mode high input impedance differential input-differential output first-order allpass filters based on differential difference current conveyor (DDCC) are presented. Each of the proposed circuit uses one plus-type ...

• A Harmonized Perspective on Transportation Management in Smart Cities: The Novel IoT-Driven Environment for Road Traffic Modeling 

  Mašek, Pavel; Mašek, Jan; Frantík, Petr; Fujdiak, Radek; Ometov, Aleksandr; Hošek, Jiří; Andreev, Sergey; Mlýnek, Petr; Mišurec, Jiří (MDPI, 2016-11-08)

  The unprecedented growth of today’s cities together with increased population mobility are fueling the avalanche in the numbers of vehicles on the roads. This development led to the new challenges for the traffic management, ...

• Links Failure Analysis of Averaging Executed by Protocol Push-sum 

  Kenyeres, Martin; Kenyeres, Jozef; Škorpil, Vladislav (Hikari, 2016-08-01)

  In this paper, we examine the impact of links failure on the push-sum protocol. This protocol is very suitable for the implementation into WSNs and therefore, we verify the robustness of the unsecured execution of this ...

• Multifunction RF Filters Using OTA 

  Herencsár, Norbert; Vrba, Kamil (Springer, 2007-09-03)

  In this paper the procedure of RF filter design using two active elements OTA is shown. The general method of filter design using OTA amplifiers, when the fully connected feedback network was designed around the two OTA ...

• Reconfigurable Fractional-Order Filter with Electronically Controllable Slope of Attenuation, Pole Frequency and Type of Approximation 

  Jeřábek, Jan; Šotner, Roman; Dvořák, Jan; Polák, Josef; Kubánek, David; Herencsár, Norbert; Koton, Jaroslav (World Scientific Publishing, 2017-03-09)

  This paper presents design of electronically reconfigurable fractional-order filter that is able to be configured to operate as fractional-order low-pass filter (FLPF) or fractional-order high-pass filter (FHPF). Its slope ...

• Dynamic Resource Sharing in 5G with LSA: Criteria-Based Management Framework 

  Sadreddini, Zhaleh; Mašek, Pavel; Cavdar, Tugrul; Hošek, Jiří; Gudkova, Irina; Andreev, Sergey (Hindawi, 2018-03-30)

  Owing to a steadily increasing demand for efficient spectrum utilization as part of the fifth-generation (5G) cellular concept, it becomes crucial to revise the existing radio spectrum management techniques and provide ...

• Electromagnetic compatibility of PLC adapters for in-home/domestic networks 

  Orgoň, Miloš; Fujdiak, Radek (Faculty of Electrical Engineering and Information Technology of the Slovak University of Technology, 2018-02-19)

  The use of programable logic controllers (PLC) technology in electrical networks 230 V causes electromagnetic radiation that interferes with other electrical equipment connected to the network. Therefore, this article ...

• An electronically tunable current-mode quadrature oscillator using PCAs 

  Herencsár, Norbert; Lahiri, Abhirup; Vrba, Kamil; Koton, Jaroslav (Taylor & Francis, 2012-04-10)

  The paper presents a new realization of active RC sinusoidal oscillator with electronically tunable condition and frequency of oscillation. As compared to the class of three resistors, two capacitors (3R-2C) based canonic ...

View more