frequency-flat fading channel
Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity
... of frequency-flat fading ...this channel model, we investigate the effects of eigenvalues of spatial correlation matrix and their spread on the ergodic channel capacity and develop the ...
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1. A robust and efficient channel estimation scheme for ofdm systems in frequency selective fading channels
... orthogonal frequency division multiplexing (OFDM) systems [1], a frequency selective (FS) channel is commuted into an accumulation of flat fading channels, which can be indemnified by ...
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Performance comparison of multiuser detectors with channel estimation for flat Rayleigh fading CDMA channels
... Code Division Multiple Access (CDMA) is a promising technique for mobile communication systems. The major advantage of CDMA compared with Frequency Division Multiple Access (FDMA) and Time Division Multiple Access ...
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Performance Comparison of Linear and Decision Feedback Equalizers in Flat and Frequency Selective Fading Channel
... the channel, i.e. when In this case the different frequency components of the transmitted signal will experience different gains and phase ...the channel is called frequency- selective. ...
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Performance Analysis of a Synchronized Receiver over Noiseless and Fading Channels
... the channel conditions ...strong channel estimation system is an essential figure accomplishing a high ...bring fading of the signal, in this manner there comes a delay in achieving the ...called ...
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On Channel Estimation for Analog Network Coding in a Frequency Selective Fading Channel
... a flat (i.e., frequency-nonselective) fading channel [4, ...orthogonal frequency division multiplexing (OFDM) in a frequency-selective fading channel was introduced ...
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Research on Anti Jamming Performance of GMSK in Shortwave Frequency Hopping
... slow frequency hopping, and choose Rayleigh fading channel and Rice fading channel for ...The flat fading and frequency selective fading are used in Rayleigh ...
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Performance Comparison of FFT, Discrete Wavelet Packet Transform (DWPT) for MIMO-OFDM Systems
... orthogonal frequency division multiplexing (OFDM) to ensure spatial diversity gain and/or to increase spectral ...Rayleigh fading channel for different values of Quadrature Amplitude Modulation (QAM) ...
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A novel Chaotic Collaborative CDMA scheme under Rayleigh fading
... based channel estimation technique has been studied for non-coherent CDMA over fading ...of frequency flat-fading on non-coherent synchronization of a chaos-based DS-CDMA system have ...
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Performance Estimation of 2*4 MIMO-MC-CDMA Using Convolution Code in Different Modulation Technique using ZF Detection Scheme
... Rayleigh Fading Channel ...convert frequency selective wide-band carriers into parallel flat-fading narrowband carriers which are orthogonal in nature then this data reshaped to ...
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Optimization of Hierarchical Modulation for Use of Scalable Media
... (AWGN) channel have been developed in [17, 18] based on signal-space concepts and a recursive algorithm, ...and frequency flat fading channels were derived in ...AWGN channel was ...
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Web Applications Testing using White Box Method
... different channel models (AWGN, flat fading and frequency selective fading channels), channel estimation, adaptive equalization, and ...different channel models to the ...
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On Channel Estimation of OFDM BPSK and QPSK over Generalized Alpha Mu Fading Distribution
... in frequency selective has different approach then compared with flat fading ...in frequency selective fading environment has been presented in ...The channel estimation based on ...
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Channel estimation for massive MIMO TDD systems assuming pilot contamination and flat fading
... MIMO channel is the spatially i.i.d. frequency non-selective (flat) fading channel ...model. Flat fading channels are also known as amplitude varying channels and ...
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Effect of cyclic prefix in BER improvement in MIMO-OFDM system
... wireless channel and the receiver ...dispersive channel impulse response, thereby needing a complex equalization ...Orthogonal Frequency Division Multiplexing (OFDM) is a special form of multicarrier ...
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MIMO-OFDM System in Rayleigh Fadding Channel Maninder Singh, Dr. Hardeep Singh Saini
... the frequency flat Rayleigh fading channel, otherwise, its ergodic capacity is less than that of the frequency flat Rayleigh fading channel; (2) and time variations ...
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On the Characteristic of Orthogonality for Multi Carrier Based Systems
... (carrier frequency offset), which are mainly caused by the reason of fre- quency ...propagation fading chan- nels, and the evaluation of performance for an MC- CDMA-MIMO system was held in ...
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IJARSE, Vol. No.3, Issue No.8, August 2014 ISSN-2319-8354(E)
... the frequency and time recovery for the uplink of an orthogonal frequency-division multiple access (OFDMA) ...the frequency and timing offsets of a new user entering in the ...as frequency ...
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Novel Semi blind Channel Estimation Schemes for Rayleigh Flat Fading MIMO Channels
... joint channel and data estimation based QR-NEW semi-blind channel estimation techniques for Rayleigh flat fading MIMO channel using two transmitter and six receiver antennas ...
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Mean Square Error of Blind Channel Estimation Using a Constant Modulus Algorithm
... These results are justifiable in that the LS estimation assumes independent components of the frequency response which does not use the correlation properties of the channel making it sensitive to error. ...
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