2017/2
Procházet dle
Poslední příspěvky
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DOA Estimation of Uncorrelated, Partly Correlated and Coherent Signals Using Alternating Oblique Projection
(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 ... -
Modeling and Link Performance Analysis of Busbar Distribution Systems for Narrowband PLC
(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 ... -
Distributed Matching Algorithms: Maximizing Secrecy in the Presence of Untrusted Relay
(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 ... -
Detection-Localization Tradeoff in MIMO Radars
(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 ... -
Distributed Aggregate Function Estimation by Biphasically Configured Metropolis-Hasting Weight Model
(Společnost pro radioelektronické inženýrství, 2017-06)An energy-efficient estimation of an aggregate function can significantly optimize a global event detection or monitoring in wireless sensor networks. This is probably the main reason why an optimization of the complementary ... -
Digital Color Images Ownership Authentication via Efficient and Robust Watermarking in a Hybrid Domain
(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, ... -
Mixed-Mode Third-Order Quadrature Oscillator Based on Single MCCFTA
(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 ... -
Blind Audio Watermarking in Transform Domain Based on Singular Value Decomposition and Exponential-Log Operations
(Společnost pro radioelektronické inženýrství, 2017-06)Digital watermarking has drawn extensive attention for copyright protection of multimedia data. This paper introduces a blind audio watermarking scheme in discrete cosine transform (DCT) domain based on singular value ... -
2D DOA Estimation of UCA Correlative Interferometer Based on One Dimensional Sorting Lookup Table-Two Dimensional Linear Interpolation Algorithm
(Společnost pro radioelektronické inženýrství, 2017-06)In order to improve the direction-finding efficiency of the correlative interferometer and reduce the size of the lookup table, this paper proposes the one dimensional sorting lookup table-two dimensional linear interpolation ... -
5G Terminals with Multi-Streaming Features for Real-Time Mobile Broadband Applications
(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 ... -
Effect Analysis of Time and Carrier Frequency Offset on the Performance of Distributed Transmit Beamforming for Emergency Radio
(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 ... -
QPSK Modulator with Continuous Phase and Fast Response Based on Phase-Locked Loop
(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 ... -
Adaptive Measurement Partitioning Algorithm for a Gaussian Inverse Wishart PHD Filter that Tracks Closely Spaced Extended Targets
(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 ... -
An Effect of Output Capacitor ESL on Hysteretic PLL Controlled Multiphase Buck Converter
(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, ... -
Miniaturized Balanced Antenna with Integrated Balun for Practical LTE Applications
(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 ... -
The Design and Analysis of Invisible Radome with Sandwich-like Properties
(Společnost pro radioelektronické inženýrství, 2017-06)A novel thin radome made by metamaterial is presented, with the properties like the sandwich where the middle acts as a pass band filter at an expected frequency band, while others behave as absorbers. This new radome ... -
UWB Monopole Antenna with Band Notched Characteristics Mitigating Interference with WiMAX
(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 ... -
Directly Printable Organic ASK Based Chipless RFID Tag for IoT Applications
(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 ... -
Power Allocation and Low Complexity Detector for Differential Full Diversity Spatial Modulation Using Two Transmit Antennas
(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 ... -
Superstrate-integrated Switchable Beam Rectangular Microstrip Antenna for Gain Enhancement
(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 ...
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