• 5 Watt GaN HEMT Power Amplifier for LTE 

    Niotaki, K.; Collado, A.; Georgiadis, A.; Vardakas, J. (Společnost pro radioelektronické inženýrství, 2014-04)
    This work presents the design and implementation of a stand-alone linear power amplifier at 2.4 GHz with high output power. A GaN HEMT transistor is selected for the design and implementation of the power amplifier. The ...
  • An Adaptive Clutter Suppression Technique for Moving Target Detector in Pulse Doppler Radar 

    Mandal, A.; Mishra, R. (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 ...
  • Adaptive Multi-Rate Wavelet Method for Circuit Simulation 

    Bittner, K.; Brachtendorf, H. G. (Společnost pro radioelektronické inženýrství, 2014-04)
    In this paper a new adaptive algorithm for multi-rate circuit simulation encountered in the design of RF circuits based on spline wavelets is presented. The ordinary circuit differential equations are first rewritten by a ...
  • Analysis of Collaborative Beamforming for Wireless Sensor Networks with Phase Offset 

    Shen, X.; Huang, J.; Liu, P.; Pan, Y.; Xu, B.; Rao, Z. (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 ...
  • Analysis of Radar Doppler Signature from Human Data 

    Andrić, M.; Bujaković, D.; Bondzulić, B.; Simić, S.; Zrnić, B. (Společnost pro radioelektronické inženýrství, 2014-04)
    This paper presents the results of time (autocorrelation) and time-frequency (spectrogram) analyses of radar signals returned from the moving human targets. When a radar signal falls on the human target which is moving ...
  • Analysis of Topological Impact on Wireless Channel Performance on Intelligent Street Lighting System 

    Azpilicueta, L.; Falcone, F.; Astrain, J.J.; Villadangos, J.; Chertudi, A.; Angulo, I.; Perallos, A.; Elejoste, P.; Garcia Zuazola, I. J. (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. ...
  • Artificial Neural Network Utilization for FSO Link Performance Estimation 

    Mudroch, M.; Zvanovec, S. (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. ...
  • BER Performance of IM/DD FSO System with OOK using APD Receiver 

    Petković, M. I.; Đorđević, G. T.; Milić, D. 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 ...
  • Broadband Butler Matrices with the Use of High-Pass LC Sections as Left-Handed Transmission Lines 

    Staszek, K.; Gruszczynski, S.; Wincza, K. (Společnost pro radioelektronické inženýrství, 2014-04)
    An application of left-handed transmission line sections in Butler matrices has been investigated. It has been shown, for the first time, that the utilization of both left-handed and right-handed transmission lines allows ...
  • Calculation of Angular Deflection Limits of a Mobile Free-Space Optical Link Beam 

    Nemecek, J.; Cizmar, J. (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 ...
  • Channel Influence Mitigation in Pseudo-noise Waveform Design for Radar Applications 

    Kulpa, J. S. (Společnost pro radioelektronické inženýrství, 2014-04)
    Noise Radar is a rapidly developing technology which uses noise or pseudo-noise waveforms as sounding signals to de- tect targets of interest. The advantages of such waveforms are no range nor velocity ambiguities, the ...
  • A Compact Narrow-Band Bandstop Filter Using Spiral-Shaped Defected Microstrip Structure 

    Wang, J.; Ning, H.; Xiong, Q.; Mao, L.F. (Společnost pro radioelektronické inženýrství, 2014-04)
    A novel compact narrow-band bandstop filter is implemented by using the proposed spiral-shaped defected microstrip structure (SDMS) in this paper. Compared with other DMSs, the presented SDMS exhibits the advantage of ...
  • Continuous Wavelet Transform and Hidden Markov Model Based Target Detection 

    Tuğaç, S.; Efe, M. (Společnost pro radioelektronické inženýrství, 2014-04)
    Standard tracking filters perform target detection process by comparing the sensor output signal with a predefined threshold. However, selecting the detection threshold is of great importance and a wrongly selected threshold ...
  • Curved Track Analysis of FSO Link for Ground-to-Train Communications 

    Paudel, R.; Poliak, J.; Ghassemlooy, Z.; Wilfert, O.; Leitgeb, E. (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 ...
  • DCCII-Based Novel Lossless Grounded Inductance Simulators With No Element Matching Constrains 

    Metin, B.; Herencsar, N.; Koton, J.; Horng, J. W. (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 ...
  • Design and Modeling of the Properties of the Servomechanism for a Mobile Free Space Optical Link 

    Cizmar, J.; Nemecek, J. (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 ...
  • Design and Validation of a Software Defined Radio Testbed for DVB-T Transmission 

    Baruffa, G.; Rugini, L.; Banelli, P. (Společnost pro radioelektronické inženýrství, 2014-04)
    This paper describes the design and validation of a Software Defined Radio (SDR) testbed, which can be used for Digital Television transmission using the Digital Video Broadcasting - Terrestrial (DVB-T) standard. In order ...
  • Design of a Front– End Amplifier for the Maximum Power Delivery and Required Noise by HBMO with Support Vector Microstrip Model 

    Guneş, F.; Demirel, S.; Mahouti, P. (Společnost pro radioelektronické inženýrství, 2014-04)
    Honey Bee Mating Optimization (HBMO) is a recent swarm-based optimization algorithm to solve highly nonlinear problems, whose based approach combines the powers of simulated annealing, genetic algorithms, and an effective ...
  • Detection-Discrimination Method for Multiple Repeater False Targets Based on Radar Polarization Echoes 

    ZONG, Z. W.; SHI, L. F.; LI, Y. Z.; WANG, X. S. (Společnost pro radioelektronické inženýrství, 2014-04)
    Multiple repeat false targets (RFTs), created by the digital radio frequency memory (DRFM) system of jammer, are widely used in practical to effectively exhaust the limited tracking and discrimination resource of defence ...
  • Diversity-Based Geometry Optimization in MIMO Passive Coherent Location 

    Radmard, M.; Nayebi, M. M.; Karbasi, S. M. (Společnost pro radioelektronické inženýrství, 2014-04)
    Applying the recently emerged technique‎, ‎MIMO (Multiple Input Multiple Output) to PCL (Passive Coherent‎ ‎Location) is expected to improve performance of localization schemes‎. ‎In this paper‎, ‎we explore the‎ ‎application ...