time-varying mimo channel
Stable Transmission in the Time-Varying MIMO Broadcast Channel
... the MIMO broadcast channel with erroneous CSIT and CSIR are found in [12] using the duality between the broadcast and multiple-access channels (MAC) ...when time-sharing outperforms DPC in the ...
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LTE modeling for low complexity Time Varying channels in MIMO-OFDM
... Average Power Ratio (PAPR) occurs due to random constructive addition of subcarriers and results in spectrum spreading of signal leading to adjacent channel interference. So power linearization techniques and ...
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Identifying time-varying channels with aid of pilots for MIMO-OFDM
... the channel stays (almost) constant for at least one OFDM symbol ...a time-invariant channel assumption can become invalid due to, ...frequency-domain channel matrix is not diago- nal but ...
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Low Complexity Linear Precoder Design For Mimo-Ofdm System
... on time-varying and frequency-selective channels, resulting in a multiple- input multiple-output (MIMO) ...in MIMO-OFDM system design. It includes physical channel measurements and ...
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Pilot Placement for Time Varying MIMO OFDM Channels with Virtual Subcarriers
... for MIMO OFDM systems in time-varying ...to time variations must be decreased in high delay envi- ...the channel estimation for MIMO OFDM systems is expressed in linearly ...
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Time-Varying FIR Equalization for MIMO Transmission over Doubly Selective Channels
... propose time-varying FIR equalization techniques for spatial multiplexing-based multiple-input multiple-output (MIMO) transmission over doubly selective ...selective channel is approximated ...
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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 ...for MIMO-OFDM in fast time-varying fading ...
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Performance of compressive sensing algorithms over time varying frequency selective channel
... to time varying frequency selective ...on time varying channel. Time varying frequency selective MIMO channel estimation demands huge number of training ...
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Code-Aided Estimation and Detection on Time-Varying Correlated Mimo Channels: A Factor Graph Approach
... the channel matrix (at each time ...yields channel estimates and reveals how these es- timates should be applied in order to detect the information ...
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Channel Characteristics and Performance of MIMO E SDM Systems in an Indoor Time Varying Fading Environment
... of ± 31 Hz when the RX moves along the x-axis. This is because most of dominant incoming waves were the direct wave (+x direction) from the TX to the RX, the reflected wave (+x direction) from the wall behind the TX, and ...
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A Novel MIMO-OFDM Adaptive Receiver in Time-Varying Channels
... and channel equalization for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems over rapidly time-varying channel ...and channel ...
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Sparse massive MIMO OFDM channel estimation based on compressed sensing over frequency offset environment
... CIR: Channel impulse response; CoSaMP: Compressed sampling matching pursuit; CP: Cyclic prefix; CS: Compressed sensing; DFT: Discrete Fourier transform; DPN-OFDM: Dual- PN padded OFDM; IBI: Inter-block ...
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Title: Improved Space Time Block Coding Diversity Technique for Rayleigh Fading Channel in Wireless Systems
... on MIMO system Rayleigh Fading Channel ...used. MIMO system using Alamouti STBC coding is done over different QAM modulation (8,16,32,64) and compare the results of STBC coding with BPSK modulation ...
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Effects of Near-Field Loading on Compact MIMO Antennas.
... Figure 3.13a shows that a near field load fabricated by PLA plastic in a reliable and easy-to-use 3D printer, Lulzbot Taz 6. Even the PEC near field load was used in the simulations, but the perfect electrical conductor ...
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Performance evaluation of MIMO OFDM implementation on Wireless Open Access Research Platform (WARP)
... multipath channel, so that ISI can be removed completely. The application of MIMO diversity techniques on the OFDM system will improve system performance ...using MIMO techniques, many propagation ...
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RD Optimized, Adaptive, Error-Resilient Transmission of MJPEG2000-Coded Video over Multiple Time-Varying Channels
... New algorithms were proposed in [6] to find optimal so- lutions to uneven error protection problems involving scal- able source-coded bitstreams. It was shown in [6] that the complexity of their algorithm decreases ...
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A Limited Feedback Algorithm Sacred from Feedback Error for Slowly Time varying Channel
... In wireless communication system, the spectral efficiency can be improved if the Channel State Information (CSI) could be available at Transmitter (CSIT). In fact, it is unpractical for transmitter to obtain ...
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Co channel interference suppression for multi cell MIMO heterogeneous network
... In the new generation of broadband mobile communica- tion systems, multiple input and multiple output (MIMO) technique [1, 2] and heterogeneous networks [3–5] are key methods to enable the fast and reliable ...
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Decision Directed Channel Estimation Employing Projection Approximation Subspace Tracking
... the channel conditions encountered. The majority of existing advanced channel estimation schemes assume knowledge of the channel’s Power Delay Profile (PDP) in order to estimate the corresponding ...
5
Model-based approach to reliable information transfer over time-varying communication channels
... over time- varying channel, one has to be able to exploit information of the propagation conditions, in addition to the channel output ...predetermined channel model, the concept is ...
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