Now showing items 21-40 of 41

  • Feature Selective Validation of Automotive EMC Pre-compliance Tests 

    Ruzek, V.; Drinovsky, J.; Cupak, J. (Společnost pro radioelektronické inženýrství, 2018-04)
    The pre-compliance tests of electromagnetic immunity are at present a crucial issue for all major automotive manufacturers. In current practice, there are two basic ways to implement these tests. The first one is based on ...
  • DoA Estimation in EM Lens Assisted Massive Antenna System Using Subsets Based Antenna Selection and High Resolution Algorithms 

    Shaikh, S. A.; Tonello, A. M. (Společnost pro radioelektronické inženýrství, 2018-04)
    In recent times, massive antenna array technology has captured significant attention among wireless communication researchers. This is a field with strong potential to increase rates of data transfer; mitigate interference ...
  • Data Mining Techniques in Artificial Neural Network for UWB Antenna Design 

    Li-Ye Xiao; Wei Shao; Zhi-Xin Yao; Shanshan Gao (Společnost pro radioelektronické inženýrství, 2018-04)
    With data mining techniques for the preprocessing of training patterns, an artificial neural network (ANN) model is proposed for parametric modeling of electromagnetic behavior of ultrawide band (UWB) antennas in this ...
  • Insulated Wire Fed Floating Monopole Antenna for Coastal Monitoring 

    Loni, Z. M.; Espinosa, H. G.; Thiel, D. V. (Společnost pro radioelektronické inženýrství, 2018-04)
    A thin, flexible, insulated wire submerged in seawater forms a coaxial cable which has attenuation at ultra-high frequency (UHF) dependent on the operating frequency, the diameter of the insulating material and the diameter ...
  • Analysis of Three-Dimensional Spatial Selectivity for Rician Channel 

    Du, D.; Zeng, X.; Jian, X.; Yu, F.; Miao, L. (Společnost pro radioelektronické inženýrství, 2018-04)
    The spatial selectivity of multipath fading determines the spatial diversity strategy to increase the performance of the communication system. This paper analyses the three-dimensional (3-D) spatial selectivity of Rician ...
  • A Method Based on the Theory of Small Reflections to Design Arbitrary Passband Microstrip Filters 

    Yuan, Y.|Wu, W.; Yuan, W.; Wu, S.; Yuan, N. (Společnost pro radioelektronické inženýrství, 2018-04)
    A method to design a kind of microstrip filters consisting of only opened stubs and shorted stubs is proposed in this paper. This method is based on the Theory of Small Reflections, and the equations to calculate dimensions ...
  • Exploiting Support Vector Machine Algorithm to Break the Secret Key 

    Hou, S.; Zhou, Y.; Liu, H.; Zhu, N. (Společnost pro radioelektronické inženýrství, 2018-04)
    Template attacks (TA) and support vector machine (SVM) are two effective methods in side channel attacks (SCAs). Almost all studies on SVM in SCAs assume the required power traces are sufficient, which also implies the ...
  • Novel Sparse Algorithms based on Lyapunov Stability for Adaptive System Identification 

    Rakesh, P.; Kishore Kumar, T.; Albu, F. (Společnost pro radioelektronické inženýrství, 2018-04)
    Adaptive filters are extensively used in the identification of an unknown system. Unlike several gradient-search based adaptive filtering techniques, the Lyapunov Theory-based Adaptive Filter offers improved convergence ...
  • General Time-Division AltBOC Modulation Technique for GNSS Signals 

    Zhou, Z.; Tang, Z.; Wei, J.; Xia, X. (Společnost pro radioelektronické inženýrství, 2018-04)
    In this paper, a general time-division alternate binary offset carrier (GTD-AltBOC) modulation method is proposed, which is an extension of TD-AltBOC and time-multiplexed offset-carrier quadrature phase shift keying ...
  • A Spectrum Efficient Self-Admission Framework for Coexisting IEEE 802.15.4 Networks under Heterogeneous Traffics 

    Zhao, N.; Chi, X.F.; Zhao, L.L.; Zhu, Y.H. (Společnost pro radioelektronické inženýrství, 2018-04)
    Due to the limited bandwidth resource and the interference among networks, it is challengeable to coordinate the bandwidth resource of multiple IEEE 802.15.4-based wireless personal area networks (WPANs) with heterogeneous ...
  • Analytical Evaluation of Chunk-Based Tractable Multi-cell OFDMA system 

    Kavitha, P.; Shanmugavel, S. (Společnost pro radioelektronické inženýrství, 2018-04)
    This paper evaluates thoroughly the performance of multi-cell OFDMA system. The two types of deployment in multi-cell OFDMA system, such as Strict Fractional Frequency Reuse (FFR) and Soft FFR (SFR) were evaluated. In order ...
  • Asymmetric Image Encryption Approach with Plaintext-Related Diffusion 

    Oravec, J.; Turan, J.; Ovsenik, L.; Ivaniga, T.; Solus, D.; Marton, M. (Společnost pro radioelektronické inženýrství, 2018-04)
    This paper deals with topic of image encryption based on chaotic maps. A solution which has advantage of robustness against chosen-plaintext attacks is proposed. Permutations of image pixels are carried out in a way that ...
  • Novel Power Control Scheme for Target Tracking in Radar Network with Passive Cooperation 

    Tan, J.; Shi, C. G.; Zhou, J. J. (Společnost pro radioelektronické inženýrství, 2018-04)
    Distributed radar network systems (DRNS) have been shown to provide significant performance improvement. With the recent development, radar network has become an attractive platform for target tracking. In practice, the ...
  • Design of Multi-Band Filters Using Parallel Connected Topology 

    Cheab, S.; Wong, P. W.; Soeung, S. (Společnost pro radioelektronické inženýrství, 2018-04)
    This paper presents the design of multi-band filters using parallel connected topology. The resonator in each branch is the dual-mode resonator which provides two resonant modes per passband for miniaturization. The coupling ...
  • 35-GHz Wideband Vertical Off-Center-Fed Dipole and Its Array in LTCC Technology 

    Du, M.; Xu, J.; Ding, X.; Cao, J. P.; Deng, J. H.; Dong, Y. L. (Společnost pro radioelektronické inženýrství, 2018-04)
    A 35-GHz wideband low-temperature co-fired ceramic (LTCC) vertical off-center-fed dipole antenna and its 2×2 array are presented. The widened bandwidth of the dipole antenna is achieved by paralleling a ring-shaped stub ...
  • Ultra-Low Voltage Analog IC Design: Challenges, Methods and Examples 

    Stopjakova, V.; Rakus, M.; Kovac, M.; Arbet, D.; Nagy, L.; Sovcik, M.; Potocny, M. (Společnost pro radioelektronické inženýrství, 2018-04)
    The paper brings an overview of main challenges and design techniques effectively applicable for ultra-low voltage analog integrated circuits in nanoscale technologies. New design challenges linked with a low value of the ...
  • Effect of the Aperture Ratio on the Impedance Bandwidth of an Aperture Coupled Microstrip Antenna 

    Jae-Hyun Kim; Boo-Gyoun Kim (Společnost pro radioelektronické inženýrství, 2018-04)
    The effect of the aperture ratio on the impedance bandwidth of an aperture coupled microstrip antenna (ACMA) is investigated according to the coupling strength from a microstrip feed line to a patch. Since the coupling ...
  • Design of Miniaturized 10dB Wideband Branch Line Coupler Using Dual and T-Shape Transmission Lines 

    Kumar, M.; Islam, Sk N.; Sen, G.; Parui, S. K.; Das, S. (Společnost pro radioelektronické inženýrství, 2018-04)
    This paper presents a design mechanism of miniaturized wideband branch line coupler (BLC) with loose coupling of 10 dB. Dual transmission lines are used as a feed network which provides a size reduction of 32% with a ...
  • Differential Full Diversity Spatial Modulation using Amplitude Phase Shift Keying 

    Dwarika, K.; Xu, H. (Společnost pro radioelektronické inženýrství, 2018-04)
    Diversity is a fundamental concept used to reduce the adverse effects of fading in wireless communications. Differential full diversity spatial modulation (DFD-SM) is a differential spatial modulation (DSM) scheme that ...
  • A Multiband Filter for Multistandards Wireless Communications Receivers 

    Othman, A.; Barrak, R.; Mabrouk, M. (Společnost pro radioelektronické inženýrství, 2018-04)
    A new topology for a multiband filter suitable for multistandard and multiband mobile terminals is proposed. This filter named MultiCrossed Open Stubs (MCOS) is based on the wideband Quarter-Wave Short Circuited Stubs ...