frequency-selective transmission channel
A Low-Complexity Time-Domain MMSE Channel Estimator for Space-Time/Frequency Block-Coded OFDM Systems
... orthogonal frequency-division multiplexing (OFDM) transmission through frequency-selective channels, this paper pursues a channel estimation approach in time domain for both ...
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Bit Error Rate Analysis for an OFDM System with Channel Estimation in a Nonlinear and Frequency Selective Fading Channel
... severely frequency- selective ...system’s transmission performance was investigated with a computer ...and frequency- selective fading channel has not been ...
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INPULSE noise estimation in frequency selective fading channel
... OFDM frequency domain channel ...data transmission in the OFDM ...the frequency domain, which are not shown here since we do not deal with channel ...
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Performance of compressive sensing algorithms over time varying frequency selective channel
... require transmission of information over mobility channel with at higher bit ...the channel statistics. Channel gain of each path is needed in coherent type signal ...the channel fading ...
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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 simply ...
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Selective sensing and transmission for multi channel cognitive radio networks
... Generally, the frequency of different channels ’ states change is different, thus, how often each channel should be probed will be distinct. For example, if the channel’s ON/OFF states switch slowly, the ...
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On transmission performance of OFDM based schemes using MMSE FDE in a frequency selective fading channel
... uncoded case where the BER decreases as K increases, with turbo coding, a trade-off is present among fre- quency diversity gain, coding gain due to better fre- quency interleaving effect, and orthogonality distortion ...
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Performance Analysis of a Synchronized Receiver over Noiseless and Fading Channels
... phase transmission using a single- tone ...noiseless channel and a fading frequency selective channel with AWGN is analyzed in-terms of the output power spectrum, estimate of the ...
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Review on STBC coded MISO and MIMO in Frequency Selective Wireless Fading Channel
... accessible transmission capacity, exceedingly obliged transmits powers, and additionally equipment many-sided quality and expense prerequisites likewise incorporate among alternate difficulties for high velocity ...
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Mean Square Error of Blind Channel Estimation Using a Constant Modulus Algorithm
... blind channel estimation using a constant modulus algorithm in 16-subcarrier OFDM system over frequency selective fading channel has been ...over frequency selective ...
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On Channel Estimation for Analog Network Coding in a Frequency Selective Fading Channel
... or frequency to avoid interference, in ANC the users’ signals interfere in the same time ...pilot transmission, the relay cannot estimate the CSIs of di ff erent ...the channel cross-correlation ...
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On the use of the channel second order statistics in MMSE receivers for time and frequency selective MIMO transmission systems
... adaptive channel estimation algorithm and a linear ...a channel estimate and the observa- tions at the receiver front-end to produce linear estimates of the transmitted ...the channel estimation ...
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DATA RATE ENHANCEMENT OF GSM USING OFDM TECHNIQUE
... The powerful technique for the transmission over quasi-static frequency selective fading channel with convolution coding is Bit-Loaded ADAPTIVE- OFDM. The author develops analytical method for ...
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Improving Performance and Detection Schemes of Mimo-Ofdm Systems in the Presence of Phase Noise and Doubly-Selective Fading Where Channel is Both Time and Frequency Selective Offia Innocent.S, Udeh Ikemefuna James, Eke J
... Orthogonal Freguency Division Multiplexing is considered a promising transmission technique for wideband wireless communications. One of the disadvantages of Orthogonal Freguency Division Multiplexing is its ...
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An Intelligent Non-Trial-and-Error Design Method for Double Screen Frequency Selective Surfaces
... Abstract: An intelligent design method of double screen frequency selective surfaces (FSSs) is addressed in this paper. The employed unit cell is composed of two metallic screens, which are printed on both ...
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Eigenstructures of MIMO Fading Channel Correlation Matrices and Optimum Linear Precoding Designs for Maximum Ergodic Capacity
... the channel by antenna beamforming [3, ...existing channel correlation by suit- able methods at the transmitter or ...the channel correlation ...
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Transmission Upper Bound of Planar Single-Layer Frequency Selective Surface
... inband transmission is better for a band-pass ...the transmission strictly equals 1 when a free-standing metal screen, perforated periodically with apertures, resonates without grating-lobe ...the ...
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Frequency Estimation by Pilot Set Partitioning for OFDM Systems with Multiple Transmit Antennas
... In order to improve the post-FFT based synchronization performance in the OFDM system using CDD scheme, we suggested an improved IFO estimation algorithm which is based on the pilot subset grouping. The performance of ...
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Web Applications Testing using White Box Method
... the channel response, demodulated signal, and adaptive algorithms are usually simulated and implemented at ...estimate channel phase during each coherence ...fading channel and train the decision to ...
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