time-varying frequency-selective channel
Performance of compressive sensing algorithms over time varying frequency selective channel
... to time varying frequency selective ...Orthogonal Frequency Division Multiplexing (OFDM) be combined with Multiple Input Multiple Output (MIMO) system to increases the system capacity ...
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Analysis and Comparison of Time Replica and Time Linear Interpolation for Pilot Aided Channel Estimation in OFDM Systems
... two time interpolators, i.e., time replica and time linear interpolator, for pilot aided channel estimation in orthogonal frequency division multiplexing (OFDM) ...two time ...
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On Channel Estimation for Analog Network Coding in a Frequency Selective Fading Channel
... the time-varying nature of the direct link is taken into consideration, and the outage regions of various PNC schemes are theoretically analyzed, and, then, the best combined strategies are derived in terms ...
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Power line communications over time-varying frequency-selective power line channels for Smart Home Applications
... line channel is a very harsh electronic communication media which poses a num- ber of challenges to communication system ...is frequency selective due to signal reflections and transmissions caused ...
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... the Channel State Information (CSI) which result due to variations in the channel ...on time-varying frequency-selective Rayleigh fading channels using rectangular M-QAM and OFDM ...
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Timing and Integer Frequency Offset Estimation for DLMT System over Time Varying Rayleigh Fading Channel
... Carrier Frequency Offset in Wireless OFDM Systems, IEEE Transactions on Communications, ...Integer Frequency Offset Estimation for OFDM Systems With Residual Timing Offset Over Frequency ...
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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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Frequency-Shift Zero-Forcing Time-Varying Equalization for Doubly Selective SIMO Channels
... doubly selective channel and discuss the assumptions that hold throughout the pa- ...the time-domain representation of the min- imal norm LTV-ZF equalizer is introduced, and the math- ematical ...
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On the use of the channel second order statistics in MMSE receivers for time and frequency selective MIMO transmission systems
... for time-selective MIMO channels that takes advantage of the posterior second-order statistics of the channel provided by the ...the channel estimates becomes ...the channel, which are ...
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Time-Varying Frequency Fading Channel Tracking In OFDM-PLNC System, Using Kalman Filter
... the channel dispersion increases. The signal-to-noise ratio of the channel is considered to be 15 dB in this ...the channel is almost constant between tandem training ...the channel becomes ...
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Identification of LOS in Time Varying, Frequency Selective Radio Channels
... the channel taps become time-invariant according to (3a) and ...the channel taps do not change in time, their autocorrelation coefficients become ...
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Spectrally Efficient Communication over Time-Varying Frequency-Selective Mobile Channels: Variable-Size Burst Construction and Adaptive Modulation
... underlying channel, the transmission e ffi ciency is poor since the burst size needs to be very ...the channel [6, 7], the transmission efficiency can be ...using time-varying FIR equalization ...
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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
... and time- selective fading in MIMO-OFDM has been recognized, the exact quantitative effect of the combination of the two has not been well ...fast time-varying fading environments has not been ...
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International Journal of Emerging Technology and Advanced Engineering
... OFDM is modulation system known for its ability to direct multipath. In OFDM the quick data stream is isolated into R narrowband data streams, R identifying with the subcarriers or subchannels i.e. one OFDM image ...
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Time-Frequency Training OFDM: A Novel Technique
... fading channel at the cost of performance loss, the Time Domain Synchronous Orthogonal Frequency Division Multiplexing (TDS-OFDM) is a novel ...Orthogonal Frequency Division Multiplexing ...
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Performance Analysis of a Synchronized Receiver over Noiseless and Fading Channels
... noiseless channel and a fading frequency selective channel with AWGN is analyzed in-terms of the output power spectrum, estimate of the cross-spectral phase between the equalizer input and its ...
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Stable Transmission in the Time-Varying MIMO Broadcast Channel
... transmit correlation matrices, respectively, for the jth user, and the square root operation on some positive semidefinite matrix Z is defined as √ Z √ Z = Z. There is some debate on the accuracy of the Kronecker model ...
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Time varying on body wireless channel model during walking
... multipath fading effects caused by reflection/scattering of the signal by objects around the human body (discussed in Section 3.2), and Doppler effects caused by the move- ment of body parts (discussed in Section 3.3). ...
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A Low-Complexity Time-Domain MMSE Channel Estimator for Space-Time/Frequency Block-Coded OFDM Systems
... MMSE channel es- timators for SF/ST-OFDM systems in unknown wireless dis- persive fading ...the channel via KL ...actual channel statistics and SNR may vary within OFDM block, we have also analyzed ...
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Improved Diversity Analysis of Coded OFDM in Frequency Selective Channels
... High spectral efficiency and performance for a given bandwidth can be achieved by Multiple-Input Multiple- Output (MIMO) systems.In flat fading MIMO channels, single beamforming carryingonly one symbol at a time ...
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