Now showing items 1-20 of 24

  • Non-Invasive Microwave Sensors for Biomedical Applications: New Design Perspectives 

    Costanzo, Sandra (Společnost pro radioelektronické inženýrství, 2017-06)
    The basic operation principles of non-invasive microwave sensors are summarized in this work, with specific emphasis on health-care systems applications. Design criteria to achieve reliable results in terms of biological ...
  • Distributed Matching Algorithms: Maximizing Secrecy in the Presence of Untrusted Relay 

    Ali, Bakhtiar; Zamir, Nida; Ng, Soon Xin; Butt, Muhammad Fasih Uddin (Společnost pro radioelektronické inženýrství, 2017-06)
    In this paper, we propose a secrecy sum-rate maximization based matching algorithm between primary transmitters and secondary cooperative jammers in the presence of an eavesdropper. More explicitly, we consider an untrusted ...
  • Power Allocation and Low Complexity Detector for Differential Full Diversity Spatial Modulation Using Two Transmit Antennas 

    Dwarika, Kavishaur; Xu, Hongjun (Společnost pro radioelektronické inženýrství, 2017-06)
    Differential full diversity spatial modulation (DFD-SM) is a differential spatial modulation scheme that makes use of a cyclic unitary M-ary phase shift keying (M-PSK) constellation to achieve diversity gains at both the ...
  • 5G Terminals with Multi-Streaming Features for Real-Time Mobile Broadband Applications 

    Shuminoski, Tomislav; Janevski, Toni (Společnost pro radioelektronické inženýrství, 2017-06)
    In this paper we present a novel QoS framework on the network layer for 5G terminals with vertical multi-homing and multi-streaming capabilities by using radio networks aggregation. The proposed framework is leading to ...
  • Mixed-Mode Third-Order Quadrature Oscillator Based on Single MCCFTA 

    Khaw-Ngam, Khachen; Kumngern, Montree; Khateb, Fabian (Společnost pro radioelektronické inženýrství, 2017-06)
    This paper presents a new mixed-mode third-order quadrature oscillator based on new modified current-controlled current follower transconductance amplifier (MCCFTA). The proposed circuit employs one MCCFTA as active element ...
  • Superstrate-integrated Switchable Beam Rectangular Microstrip Antenna for Gain Enhancement 

    Kawdungta, Supakit; Jaibanauem, Puwanai; Pongga, Rattiya; Phongcharoenpanich, Chuwong (Společnost pro radioelektronické inženýrství, 2017-06)
    This research has proposed a switchable beam rectangular microstrip antenna with double parasitic patches, in which two PIN diodes were deployed for manipulation of the main beam direction and a superstrate (i.e. either a ...
  • Digital Color Images Ownership Authentication via Efficient and Robust Watermarking in a Hybrid Domain 

    Cedillo-Hernandez, Manuel; Cedillo-Hernandez, Antonio; Garcia-Ugalde, Francisco; Nakano-Miyatake, Mariko; Perez-Meana, Hector (Společnost pro radioelektronické inženýrství, 2017-06)
    We propose an efficient, imperceptible and highly robust digital watermarking scheme applied to color images for ownership authentication purposes. A hybrid domain for embedding the same watermark is used in this algorithm, ...
  • DOA Estimation of Uncorrelated, Partly Correlated and Coherent Signals Using Alternating Oblique Projection 

    Hou, Huijun; Mao, Xingpeng (Společnost pro radioelektronické inženýrství, 2017-06)
    The problem of direction-of-arrival (DOA) estimation is important in array signal processing. To estimate the DOAs of uncorrelated, partly correlated and coherent signals, a new iterative DOA estimation algorithm, named ...
  • Rectifier Design Challenges for RF Wireless Power Transfer and Energy Harvesting Systems 

    Collado, Ana; Daskalakis, Spyridon-Nektarios; Niotaki, Kyriaki; Martinez, Ricard; Bolos, Ferran; Georgiadis, Apostolos (Společnost pro radioelektronické inženýrství, 2017-06)
    The design of wireless power transfer (WPT) and energy harvesting (EH) solutions poses different challenges towards achieving maximum RF-DC conversion efficiency in these systems. This paper covers several selected challenges ...
  • Miniaturized Balanced Antenna with Integrated Balun for Practical LTE Applications 

    Elfergani, Issa; Rodriguez, Jonathan; Abdussalam, Fathi; See, Chan H.; Abd-Alhameed, Read (Společnost pro radioelektronické inženýrství, 2017-06)
    A design of dual-band balanced antenna structure operating in the 700 and 2600MHz LTE bands is studied and investigated. The overall dimensions of the radiator are 50 × 18 × 7 mm^3 allowing it to be easily concealed within ...
  • Detection-Localization Tradeoff in MIMO Radars 

    Nazari Majd, Mohammad; Radmard, Mojtaba; Chitgarha, Mohammad M.; Bastani, Mohammad H.; Nayebi, Mohammad M. (Společnost pro radioelektronické inženýrství, 2017-06)
    Two gains play key roles in recently developed‎ MIMO ‎wireless communication systems‎: ‎"spatial diversity‎" ‎gain and "spatial multiplexing‎" ‎gain‎. ‎The diversity gain refers to the capability to decrease the error rate ...
  • Euler-Lagrange Equations of Networks with Higher-Order Elements 

    Biolek, Zdenek; Biolek, Dalibor (Společnost pro radioelektronické inženýrství, 2017-06)
    The paper suggests a generalization of the classic Euler-Lagrange equation for circuits compounded of arbitrary elements from Chua’s periodic table. Newly defined potential functions for general (α, β) elements are used ...
  • Performance Analysis of 8-bit ODACs for VLC Applications 

    Dobesch, Ales; Figueiredo, Monica; Alves, Luis Nero; Wilfert, Otakar (Společnost pro radioelektronické inženýrství, 2017-06)
    A discrete optical power level stepping technique in visible light communication (VLC), also known, as an optical digital to analog conversion (ODAC) has been proposed. This is an alternative concept for VLC front-end ...
  • QPSK Modulator with Continuous Phase and Fast Response Based on Phase-Locked Loop 

    Kirasamuthranon, Lerson; Koseeyaporn, Jeerasuda; Wardkein, Paramote (Společnost pro radioelektronické inženýrství, 2017-06)
    Among M-phase shift keying (M-PSK) schemes, quadrature phase-shift keying (QPSK) is used most often because of its efficient bandwidth consumption. However, in comparison with minimum-shift keying, which has continuous ...
  • UWB Monopole Antenna with Band Notched Characteristics Mitigating Interference with WiMAX 

    Ibrahim, Ahmed; Ali, Wael; Machac, Jan (Společnost pro radioelektronické inženýrství, 2017-06)
    Compact asymmetric coplanar strip (ACS) - fed monopole antenna is presented in this paper for operation in ultra wide-band (UWB) applications. The antenna is composed of a semi-elliptical monopole and lateral coplanar ...
  • An Effect of Output Capacitor ESL on Hysteretic PLL Controlled Multiphase Buck Converter 

    Jelinek, Martin; Jakovenko, Jiri (Společnost pro radioelektronické inženýrství, 2017-06)
    This paper provides analysis of output capacitor effects to phase stability of a hysteretic mode controlled buck converter. The hysteretic control method is a simple and fast control technique for switched-mode converters, ...
  • Modeling and Link Performance Analysis of Busbar Distribution Systems for Narrowband PLC 

    Hasirci, Zeynep; Cavdar, Ismail Hakki; Ozturk, Mehmet (Společnost pro radioelektronické inženýrství, 2017-06)
    Busbar distribution system is used as a modular infrastructure to carry electrical energy in low voltage grid. Due to the widespread usage in industrial areas, the power line communication possibilities should be investigated ...
  • Effect Analysis of Time and Carrier Frequency Offset on the Performance of Distributed Transmit Beamforming for Emergency Radio 

    Yuan, Ding; Quan, Houde; Sun, Huixian (Společnost pro radioelektronické inženýrství, 2017-06)
    In emergency radio scenario, distributed transmit beamforming (DTBF) enables a set of distributed radio nodes to transmit cooperatively to get a better performance. DTBF performance has been analyzed for various node ...
  • Directly Printable Organic ASK Based Chipless RFID Tag for IoT Applications 

    Habib, Ayesha; Ansar, Sohaira; Akram, Adeel; Azam, Muhammad Awais; Amin, Yasar; Tenhunen, Hannu (Společnost pro radioelektronické inženýrství, 2017-06)
    A chipless RFID tag with unique ASK encoding technique is presented in this paper. The coding efficiency is enhanced regarding tag capacity. The amplitude varia¬tions of the backscattered RFID signal is used for encoding ...
  • Adaptive Measurement Partitioning Algorithm for a Gaussian Inverse Wishart PHD Filter that Tracks Closely Spaced Extended Targets 

    Li, Peng; Ge, Hongwei; Yang, Jinlong (Společnost pro radioelektronické inženýrství, 2017-06)
    Use of the Gaussian inverse Wishart probability hypothesis density (GIW-PHD) filter has demonstrated promise as an approach to track an unknown number of extended targets. However, when targets of various sizes are spaced ...