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Real-Time Generation of Standard-Compliant DVB-T Signals 

Baruffa, G.; Rugini, L.; Frescura, F.; Banelli, P. (Společnost pro radioelektronické inženýrství, 2018-06)
This paper proposes and discusses two software implementations of the DVB-T modulator, using C++ and MATLAB, respectively. All the key features of the DVB-T standard are included. The C++ DVB-T modulator, incorporated into ...
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Spectral Efficiency Comparison of OFDM and MC-CDMA with Carrier Frequency Offset 

Ahmed, J. (Společnost pro radioelektronické inženýrství, 2017-04)
Inter-carrier interference and multiple access interference due to carrier frequency offset (CFO) are two major factors that deteriorate the performance of orthogonal frequency division multiple access (OFDMA) and multicarrier ...
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Improved Asymptotic Capacity Lower Bound for OFDM System with Compressed Sensing Channel Estimation for Bernoulli Gaussian Channel 

Pejoski, S.; Kafedziski, V. (Společnost pro radioelektronické inženýrství, 2016-06)
We propose an improved capacity lower bound for OFDM system with compressed sensing channel estimation for Bernoulli-Gaussian channel. We improve the known capacity lower bound which is based on Lasso compressed sensing ...
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On the Equalization of an OFDM-Based Radio-over-Fiber System Using Neural Networks 

Safari, L.; Baghersalimi, G.; Karami, A.; Kiani, A. (Společnost pro radioelektronické inženýrství, 2017-04)
In this study the impact of a Radio-over-Fiber (RoF) subsystem on the performance of Orthogonal Frequency Division Multiplexing (OFDM) system is evaluated. The study investigates the use of Multi-Layered Perceptron (MLP) ...
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DRM Transmitter with FPGA Device 

Dobias, P. (Společnost pro radioelektronické inženýrství, 2007-06)
This paper presents the design and analysis of the OFDM modulator for Digital Radio Mondiale (DRM) standard. Attention is paid to the digital signal processing in FPGA devices. The system performs carrier modulation of the ...
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Chip Interleaving and its Optimization for PAPR Reduction in MC-CDMA 

Fedra, Z.; Marsalek, R.; Sebesta, V. (Společnost pro radioelektronické inženýrství, 2007-12)
This paper analyzes the usability of peak to average power ratio (PAPR) reduction in multicarrier code division multiple access (MC-CDMA) by the chip interleaving optimization. This means chip position formatting to PAPR ...
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Carrier Frequency Offset Estimation in OFDM systems as a Quadratic Eigenvalue Problem 

Eslahi, A.; Mahmoudi, A.; Kaabi, H. (Společnost pro radioelektronické inženýrství, 2017-12)
Carrier frequency offset (CFO) in orthogonal frequency division multiplexing (OFDM) systems is a major problem in achieving orthogonality between subcarriers. In this paper, we propose an estimator for CFO in OFDM systems ...
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Performance of Pilot Aided Channel Estimation Technique in 2D Spreading Based Systems 

Blumenstein, J.; Fedra, Z.; Sebesta, V. (Společnost pro radioelektronické inženýrství, 2010-12)
It has recently been observed that the combination of the OFDM (Orthogonal Frequency Division Multiplex) and the CDMA (Code Division Multiple Access) can achieve notably lower BER (Bit Error Rate) performance in comparison ...
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UWB System Performance Improvement Using Smart Interference Rejection Filter 

Dimitrijevic, B.; Milosevic, N.; Nikolic, Z.; Petrovic, P. (Společnost pro radioelektronické inženýrství, 2009-06)
In this paper we proposed a smart interference rejection filter in TH-PPM UWB system, which improves the system\'s error probability for an order of magnitude in case of high power OFDM interference. The smart filter is ...
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Preamble Design Problematic with 802.11a IEEE Standard (Minn’s Training Sequence Approach) 

Oni, R. R. A. (Společnost pro radioelektronické inženýrství, 2008-09)
Generally OFDM systems use a predefined signal pattern, called preamble [2] [3], which helps the receiver to achieve a better signal detection (coarse, fine time synchronization) with the frequency offset and channel ...
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AuthorFedra, Z. (3)Marsalek, R. (3)Sebesta, V. (3)Banelli, P. (2)Baruffa, G. (2)Modarresi, M. (2)Rugini, L. (2)Abd-Alhameed, R. (1)Ahmed, J. (1)Ahn, C. (1)... View MoreSubject
OFDM (26)
PAPR reduction (3)Channel estimation (2)FFT (2)joint iterative data detection and channel estimation (2)MC-CDMA (2)VBEM algorithm (2)60 GHz (1)802.11a (1)beam-weight (1)... View MoreDate Issued2010 - 2020 (20)2006 - 2009 (6)

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