Recent Submissions

  • Evolutionary Synthesis of Cube Root Computational Circuit Using Graph Hybrid Estimation of Distribution Algorithm 

    Slezak, Josef; Petrzela, Jiri (Společnost pro radioelektronické inženýrství, 2014-04)
    The paper is focused on evolutionary synthesis of analog circuit realization of cube root function using proposed Graph Hybrid Estimation of Distribution Algorithm. The problem of cube root function circuit realization was ...
  • On the Systematic Synthesis of OTA-Based KHN Filters 

    Li, YongAn (Společnost pro radioelektronické inženýrství, 2014-04)
    According to the nullor-mirror descriptions of OTA, the NAM expansion method for three different types of KHN filters employing OTAs is considered. The type-A filters employing five OTAs have 32 different forms, the type-B ...
  • Low-Voltage High-Linearity Wideband Current Differencing Transconductance Amplifier and Its Application on Current-Mode Active Filter 

    Xu, Jun; Wang, Chunhua; Jin, Jie; Xia, Zanming (Společnost pro radioelektronické inženýrství, 2014-04)
    A low-voltage high-linearity wideband current differencing transconductance amplifier (CDTA) is presented in this paper. The CDTA consists of a current differencing circuit and a cross-coupling transconductance circuit. The ...
  • Realization of Low-Voltage Modified CBTA and Design of Cascadable Current-Mode All-Pass Filter 

    Ayten, Umut Engin; Sagbas, Mehmet; Minaei, Shahram (Společnost pro radioelektronické inženýrství, 2014-04)
    In this paper, a low voltage modified current backward transconductance amplifier (MCBTA) and a novel first-order current-mode (CM) all-pass filter are presented. The MCBTA can operate with ±0.9 V supply voltage and the ...
  • DCCII-Based Novel Lossless Grounded Inductance Simulators With No Element Matching Constrains 

    Metin, Bilgin; Herencsar, Norbert; Koton, Jaroslav; Horng, Jiun-Wei (Společnost pro radioelektronické inženýrství, 2014-04)
    In 1996, the differential current conveyor (DCCII) was introduced as a versatile active element with current differencing capability. Therefore, in this study, the usefulness of the DCCII is shown on six novel lossless ...
  • Longitudinal Cavity Mode Referenced Spline Tuning for Widely Tunable MG-Y Branch Semiconductor Laser 

    Heininger, Hilmar (Společnost pro radioelektronické inženýrství, 2014-04)
    This paper presents a novel method for wavelength-continuous tuning of a MG-Y-Branch Laser that possesses an intrinsic self-calibration capability. The method utilizes the measured characteristic output power pattern caused ...
  • Large Core Planar 1 x 2 Optical Power Splitter with Acrylate and Epoxy Resin Waveguides on Polydimetylsiloxane Substrate 

    Prajzler, Vaclav; Mastera, Radek; Jerabek, Vitezslav (Společnost pro radioelektronické inženýrství, 2014-04)
    Fabrication process of multimode 1 x 2 optical rectangular planar power splitter suitable for low-cost short distance optical network is presented. The splitters were designed by beam propagation method for standard ...
  • High Gain Amplifier with Enhanced Cascoded Compensation 

    Lemus-Lopez, Javier; Diaz-Sanchez, Alejandro; Muniz-Monter, Carlos; Ramirez-Angulo, Jaime; Miguel Rocha-Perez, Jose; Sanchez-Gaspariano, Luis A. (Společnost pro radioelektronické inženýrství, 2014-04)
    A two-stage CMOS operational amplifier with both, gain-boosting and indirect current feedback frequency compensation performed by means of regulated cascode amplifiers, is presented. By using quasi-floating-gate transistors ...
  • BER Performance of IM/DD FSO System with OOK using APD Receiver 

    Petkovic, Milica I.; Dordevic, Goran T.; Milic, Dejan N. (Společnost pro radioelektronické inženýrství, 2014-04)
    In this paper, the performance of intensity-modulated with direct detection (IM/DD) free space optical (FSO) system using the on-off keying (OOK) and avalanche photodiode (APD) receiver is observed. The gamma-gamma model ...
  • Design and Modeling of the Properties of the Servomechanism for a Mobile Free Space Optical Link 

    Cizmar, Jan; Nemecek, Jiri (Společnost pro radioelektronické inženýrství, 2014-04)
    The paper deals with the design of a tracking system determined for mobile free space optical link communication system. The paper also contains description of two-step method of the optical-axes pointing process, description ...
  • Artificial Neural Network Utilization for FSO Link Performance Estimation 

    Mudroch, Martin; Zvanovec, Stanislav (Společnost pro radioelektronické inženýrství, 2014-04)
    This paper describes FSO link performance prediction based on available meteorological data using different Artificial Neural Network (ANN) approaches. Several types of ANNs were compared and their performance were evaluated. ...
  • Calculation of Angular Deflection Limits of a Mobile Free-Space Optical Link Beam 

    Nemecek, Jiri; Cizmar, Jan (Společnost pro radioelektronické inženýrství, 2014-04)
    The paper describes the effect of optical beam angular deflection on the power received by the receiver of a mobile free-space optical (FSO) link. Permissible fluctuations in the power received were studied on a steady ...
  • Curved Track Analysis of FSO Link for Ground-to-Train Communications 

    Paudel, Rupak; Poliak, Juraj; Ghassemlooy, Zabih; Wilfert, Otakar; Leitgeb, Erich (Společnost pro radioelektronické inženýrství, 2014-04)
    In this work, a free space optical (FSO) link for the ground-to-train (G2T-FSO) communications is proposed. Analytical analysis is carried out for the curved rail tracks. We show that the transmitter divergence angle, the ...
  • Performance Analysis of PCFICH and PDCCH LTE Control Channels 

    Milos, Jiri; Hanus, Stanislav (Společnost pro radioelektronické inženýrství, 2014-04)
    Control channels play a key role in the evaluation of mobile system performance. The purpose of our paper is to evaluate the performance of the control channels implementation in the Long Term Evolution (LTE) system. The ...
  • Analysis of Collaborative Beamforming for Wireless Sensor Networks with Phase Offset 

    Xiaofeng, Shen; Jiyan, Huang; Peng, Liu; Pan, Yijiang; Xu, Baogen; Rao, Zhongchu (Společnost pro radioelektronické inženýrství, 2014-04)
    Collaborative beamforming has been widely used in wireless sensor networks to improve the directivity of signals in long-distance transmission. The performance of collaborative beamforming has been well analyzed for the ...
  • Improved Energy Detector for Wideband Spectrum Sensing in Cognitive Radio Networks 

    Eghbali, Yasoub; Hassani, Hamid; Koohiav, Abbas; Ahmadian-Attari, Mahmoud (Společnost pro radioelektronické inženýrství, 2014-04)
    In this paper, an improved energy detector for a wideband spectrum sensing is proposed. For a better detection of the spectrum holes the overall band is divided into equal non-overlapping sub-bands. The main objective is ...
  • Analysis of Topological Impact on Wireless Channel Performance on Intelligent Street Lighting System 

    Azpilicueta, Leire; Falcone, Francisco; Javier Astrain, Jose; Villadangos, Jesus; Chertudi, Aitor; Angulo, Ignacio; Perallos, Asier; Elejoste, Pilar; Garcia Zuazola, Ignacio Julio (Společnost pro radioelektronické inženýrství, 2014-04)
    In this work, an analysis of the physical radio channel propagation for the deployment of a wireless sensor network for intelligent street lighting is presented based on an in house implemented 3D ray launching code. ...
  • Multiuser Cooperation with Hybrid Network Coding in Wireless Networks 

    Wang, Gengrun; Guo, Daoxing; Liu, Aijun; Zhang, Bangning (Společnost pro radioelektronické inženýrství, 2014-04)
    In this paper a hybrid Network Coding Cooperation (hybrid-NCC) system is proposed to achieve both reliable transmission and high throughput in wireless networks. To balance the transmission reliability with throughput, the ...
  • Package and PCB Effects Shift Intermodulation Notch in an RF Common-Emitter Amplifier 

    Wu, Jian-Ming; Ko, Ming-Yin (Společnost pro radioelektronické inženýrství, 2014-04)
    A Taylor series analysis is conducted to study the effects of the package and printed circuit board (PCB) on the intermodulation nulling of an RF common-emitter amplifier. The equivalent parasitic element of the package ...
  • An Adaptive Clutter Suppression Technique for Moving Target Detector in Pulse Doppler Radar 

    Mandal, Amritakar; Mishra, Rajesh (Společnost pro radioelektronické inženýrství, 2014-04)
    An adaptive system performs the processing by using an architecture having time-varying parameters on the received signals which accompanies with clutters. In this paper, an adaptive moving target detector has been designed ...

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