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frequency-selective fading channel model

Bit Error Rate Performance for Multicarrier Code Division Multiple Access over Generalized η-μ Fading Environment

Bit Error Rate Performance for Multicarrier Code Division Multiple Access over Generalized η-μ Fading Environment

... over frequency selective fading channels was addressed using equal gain combining and maximal ratio combining ...Nakagami-m fading channels. The performance of the model were ...

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Mean Square Error of Blind Channel Estimation Using a Constant Modulus Algorithm

Mean Square Error of Blind Channel Estimation Using a Constant Modulus Algorithm

... – Channel Estimation (CE) in multicarrier system especially in Orthogonal Frequency Division Multiplexing (OFDM) systems has become an important technique in wireless communication to reduce the overall ...

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Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity

Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity

... of frequency-flat fading channels. The so-called Kronecker model is introduced to represent the spatial correlation e ff ects in MIMO ...this channel model, we investigate the effects of ...

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SER analysis of the MRC OFDM receiver with pulse blanking over frequency selective fading channel

SER analysis of the MRC OFDM receiver with pulse blanking over frequency selective fading channel

... system model comprising the OFDM transmitter and the MRC- OFDM receiver with pulse blanking is ...and channel parameters is provided, and the analytically calculated and simulated symbol error per- formance ...

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Analysis of SOSTTC-OFDM based on Least Squares Method

Analysis of SOSTTC-OFDM based on Least Squares Method

... based channel estimation technique to SOSTTC-OFDM in a quasi-static frequency selective fading ...The channel estimation matrix is obtained from the transmitted a priori pilot infor- ...

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Spectrum - Sharing Multihop Cooperative Relaying Performance Analysis Using Cognitive Radio Networks

Spectrum - Sharing Multihop Cooperative Relaying Performance Analysis Using Cognitive Radio Networks

... by Frequency selective fading channel ...available channel for primary and secondary user ...and model parameters until the result achieves desired ...

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1.
													A robust and efficient channel estimation scheme for ofdm systems in frequency selective fading channels

1. A robust and efficient channel estimation scheme for ofdm systems in frequency selective fading channels

... conventional channel estimation algorithms such as the algorithm given in [25] like LS estimator, DFT and mirror-weighted DCT (MW- ...polynomial model leading in complicated algorithms, showing an ...

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Appropriate Algorithms for Estimating Frequency Selective Rician Fading MIMO Channels and Channel Rice Factor: Substantial Benefits of Rician Model and Estimator Tradeoffs

Appropriate Algorithms for Estimating Frequency Selective Rician Fading MIMO Channels and Channel Rice Factor: Substantial Benefits of Rician Model and Estimator Tradeoffs

... linear channel model with Gaussian noise, the maximum likelihood (ML), LS, and BLUE esti- mators are identical ...MMSE channel estimators are ...the frequency-selective Rician ...

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Performance Comparison of Linear and Decision Feedback Equalizers in Flat and Frequency Selective Fading Channel

Performance Comparison of Linear and Decision Feedback Equalizers in Flat and Frequency Selective Fading Channel

... radio channel exploits an extremely random characteristic, which does not allow us to use the simple AWGN channel model mentioned above to analyze the channel ...distribution model. ...

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On Channel Estimation for Analog Network Coding in a Frequency Selective Fading Channel

On Channel Estimation for Analog Network Coding in a Frequency Selective Fading Channel

... estimation errors. The CE error may degrade the BER per- formances of PNC and ANC differently (since PNC performs digital encoding at the packet level), but in this work, we only consider ANC since it is more spectrum ...

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INPULSE noise estimation in frequency selective fading channel

INPULSE noise estimation in frequency selective fading channel

... In, OFDM frequency domain channel model. We use the sparse nature of e to estimate it and then remove it from the received signal. We use the subcarriers free of modulation symbols to estimate e. ...

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Adaptive Modulation Performance In Mimo-OSTBC Over Rayleigh Fading Channel

Adaptive Modulation Performance In Mimo-OSTBC Over Rayleigh Fading Channel

... over frequency selective Rayleigh fading channel using Bit Error Rate (BER) and spectral efficiency (S E) as performance ...to channel impairment that increases the BER and reduces the ...

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Title: High Speed OFDM Implementation in FPGA

Title: High Speed OFDM Implementation in FPGA

... So as mentioned above, we can conclude that the OFDM based FPGA systems are efficient. Also the high speed OFDM implementation is used for synthesis of this project. The output for each block is simulated & desired ...

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IMAGE DUPLICATION AND ROTATION DETECTION METHODS FOR STORAGE UTILIZATION

IMAGE DUPLICATION AND ROTATION DETECTION METHODS FOR STORAGE UTILIZATION

... flat fading, and Rayleigh frequency selective ...of channel coding with the OFDM-DMWCST system can eliminate the residual ISI, therefore, offering a higher data rate in wireless mobile ...

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International Journal of Emerging Technology and Advanced Engineering

International Journal of Emerging Technology and Advanced Engineering

... of channel with utilizing pilot assisted scheme and spatial diversity using different number of antennas at the transmitter and receiver edge to construct composition highly well-organized in help of ...

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Complexity Reduction Techniques for MMSE Channel Estimator in OFDM

Complexity Reduction Techniques for MMSE Channel Estimator in OFDM

... MMSE channel estimator while at the same time maintaining the high performance under critical time and frequency selective ...MMSE channel estimation is presented in paper [10] for ...

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ISSN 2349-4506

ISSN 2349-4506

... Like all multi-carrier techniques, STBC MC-CDMA suffers from high PAPR. The high PAPR of the transmitted signal which in turn results in high input-back-off (IBO) for the power amplifier [5], drives the power amplifier ...

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Practical multiuser detection algorithms for CDMA

Practical multiuser detection algorithms for CDMA

... Latva-aho and Lilleberg in [51] investigate Parallel interference cancellation (PIC) based channel parameter estimators for frequency selective fading channels for the uplink in code di[r] ...

101

Minimization of Interference Using Different Equalization Techniques

Minimization of Interference Using Different Equalization Techniques

... ________________________________________________________________________________________________________ Abstract - During past few years, demand for higher data rates is increasing day by day. The main problems in ...

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An Adaptive Receiver for the Time  and Frequency Selective Fading Channel

An Adaptive Receiver for the Time and Frequency Selective Fading Channel

... The channel is modeled as a truncated power series [1] which represents the dispersive fading channel as a sum of three elementary flatfading channels.. The proposed receiver consists of[r] ...

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