2016/4
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Recent Submissions
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Predicting the Probability of Spectrum Sensing with LMS Process in Heterogeneous LTE Networks
(Společnost pro radioelektronické inženýrství, 2016-12)Mobile communication systems present an actuality subject in academic and industrial research activities due to several phenomena such as interferences, multipath, fading, and shadowing. All this lead to a severe perturbation ... -
VLSI Implementation of Fixed-Point Lattice Wave Digital Filters for Increased Sampling Rate
(Společnost pro radioelektronické inženýrství, 2016-12)Low complexity and high speed are the key requirements of the digital filters. These filters can be realized using allpass filters. In this paper, design and minimum multiplier implementation of a fixed point lattice wave ... -
Improving 3D-Turbo Code's BER Performance with a BICM System over Rayleigh Fading Channel
(Společnost pro radioelektronické inženýrství, 2016-12)Classical Turbo code suffers from high error floor due to its small Minimum Hamming Distance (MHD). Newly-proposed 3D-Turbo code can effectively increase the MHD and achieve a lower error floor by adding a rate-1 post ... -
Software and Hardware Solutions for Channel Estimation based on Cyclic Golay Sequences
(Společnost pro radioelektronické inženýrství, 2016-12)This paper presents channel estimation methods based on cyclic complementary Golay sequences. First, the conventional Golay correlator is investigated, then a frequency domain approach using Discrete Fourier Transform (DFT) ... -
Interference Mitigation and Sum Rate Optimization for MIMO Downlink Small Cells
(Společnost pro radioelektronické inženýrství, 2016-12)This paper addresses interference issues in multiuser multiple-input multiple-output (MIMO) downlink heterogeneous networks in which multiple small cells are deployed in macrocell coverage. With the higher priority to ... -
Matching Theory for Channel Allocation in Cognitive Radio Networks
(Společnost pro radioelektronické inženýrství, 2016-12)For a cognitive radio network (CRN) in which a set of secondary users (SUs) competes for a limited number of channels (spectrum resources) belonging to primary users (PUs), the channel allocation is a challenge and dominates ... -
A Novel Stochastic Learning Automata Based SON Interference Mitigation Framework for 5G HetNets
(Společnost pro radioelektronické inženýrství, 2016-12)Long Term Evolution Advanced (LTE-A) Heterogeneous Networks (HetNet) are an important aspect of 5th generation mobile communication systems. They consists of high power macrocells along with low power cells i.e. picocells ... -
Performance of Diversity System Output Signal in Mobile Cellular System in the Presence of α-μ Short Term Fading and Gamma Long Term Fading
(Společnost pro radioelektronické inženýrství, 2016-12)In this paper, wireless mobile communication system with macrodiversity reception is considered. Macrodiversity system is consisting of macrodiversity selection combining (SC) receiver and three microdiversity SC receivers. ... -
Scattering Fields Control by Metamaterial Device Based on Ultra-Broadband Polarization Converters
(Společnost pro radioelektronické inženýrství, 2016-12)We proposed a novel ultra-broadband meta¬material screen with controlling the electromagnetic scat¬tering fields based on the three layers wideband polariza¬tion converter (TLW-PC). The unit cell of TLW-PC was composed of ... -
Sidelobe Suppression Featuring the Phase Coherence Factor in 3-D Through-the-Wall Radar Imaging
(Společnost pro radioelektronické inženýrství, 2016-12)Through-the-Wall Radar Imaging (TWRI) could be performed by beamforming of the signals from an array of ultrawideband (UWB) antennas. Preferably the imaging is done in 3-D so that both the position and the height of the ... -
Analysis of Probability of Non-zero Secrecy Capacity for Multi-hop Networks in Presence of Hardware Impairments over Nakagami-m Fading Channels
(Společnost pro radioelektronické inženýrství, 2016-12)In this paper, we evaluate probability of non-zero secrecy capacity of multi-hop relay networks over Nakagami-m fading channels in presence of hardware impairments. In the considered protocol, a source attempts to transmit ... -
Energy Efficient DF Relay Placement in alpha-mu Fading Channel with Cooperative and Non-Cooperative Schemes
(Společnost pro radioelektronické inženýrství, 2016-12)In this paper we examine the energy efficiency of relay aided wireless sensor network (WSN) links where the two-hop transmission between source and destination is realized with an adaptive decode and forward (DF) relay. ... -
Top loaded TM01δ Mode Cylindrical Dielectric Resonator for Complex Permittivity Characterization of Liquids
(Společnost pro radioelektronické inženýrství, 2016-12)This paper reports on a technique of using a very high quality factor cylindrical dielectric resonator operating in TM01δ mode to characterize liquids available in trace quantities. The proposed measurement technique is ... -
Utilization of Euler-Lagrange Equations in Circuits with Memory Elements
(Společnost pro radioelektronické inženýrství, 2016-12)It is well known that the equation of motion of a system can be set up using the Lagrangian and the dissipation function, which describe the conservative and dissipative parts of the system. However, this procedure, ... -
Adaptation of Hybrid FSO/RF Communication System Using Puncturing Technique
(Společnost pro radioelektronické inženýrství, 2016-12)Spectrum of radio frequency (RF) communications is limited and expensive to install new applications. Free space optical (FSO) communication is a viable technology which offers enormous bandwidth, license free installation, ... -
Vivaldi Antenna for RF Energy Harvesting
(Společnost pro radioelektronické inženýrství, 2016-12)Energy harvesting is a future technology for capturing ambient energy from the environment to be recycled to feed low-power devices. A planar antipodal Vivaldi antenna is presented for gathering energy from GSM, WLAN, UMTS ... -
Average Polarization of Electromagnetic Gaussian Schell-Model Beams through Anisotropic Non-Kolmogorov Turbulence
(Společnost pro radioelektronické inženýrství, 2016-12)Polarization properties of electromagnetic Gaussian Schell-model beams propagating through the anisotropic non-Kolmogorov turbulence of marine-atmosphere channel are studied based on the cross-spectral density matrix. ... -
X-Band Circularly Polarized HMSIW U-Slot Antenna
(Společnost pro radioelektronické inženýrství, 2016-12)In this paper, a circularly polarized U-slot half-mode substrate integrated waveguide (HMSIW) antenna is proposed. It is based on a combination of U-shaped slot etched in the HMSIW top wall and a shorting via placed between ... -
Simple Memristive SPICE Macro-Models and Reconfigurability in Filter and Antenna
(Společnost pro radioelektronické inženýrství, 2016-12)Simple current- and voltage-controlled memristive circuit macro-models using SPICE are proposed to capture the nonlinear hysteresis loop behaviors in this paper. Different current-voltage characteristics are investigated ... -
Optimized FSO System Performance over Atmospheric Turbulence Channels with Pointing Error and Weather Conditions
(Společnost pro radioelektronické inženýrství, 2016-12)In this paper, Bit Error rate and probability of outage are derived in closed form for plane wave mode over Gamma-Gamma free space optical channel under the influence of pointing errors and different weather conditions. ...
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