Estimation of MIMO Channel with Imperfect Channel Correlation Information
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DOI: 10.1007/s11277-017-4002-0
Abstract: Conventional channel estimation schemes may require for the transmission of orthogonal pilot signal for each antenna in frequency-division duplex (FDD) transmission systems. It is of great concern to get channel information with an affordable signaling… read more here.
Keywords: estimation; information; channel correlation; mimo channel ... See more keywords
MIMO Channel Reconstruction from Lower Dimensional Multiple Antenna Measurements
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DOI: 10.1007/s11277-017-4183-6
Abstract: A method for reconstructing multiple-input multiple-output (MIMO) channel correlation matrices from lower dimensional channel measurements is presented. Exploiting the symmetry of correlation matrix structure enables reproducing higher dimensional MIMO channel matrices from available lower order… read more here.
Keywords: channel correlation; mimo channel; channel; lower dimensional ... See more keywords
Joint Estimation of MIMO Channel Parameters Using Space–Time Correlation Matrix for Different Angular Distributions
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DOI: 10.1007/s11277-018-5832-0
Abstract: In this paper, we propose a new low-complexity method to jointly estimate the multiple-input multiple-output (MIMO) channel parameters namely the mean angle of arrival (AoA), the angular spread (AS) and the maximum Doppler spread (DS).… read more here.
Keywords: mimo channel; time; channel parameters; correlation ... See more keywords
Optimal Design of Uniform Circular Antenna Array in mmWave LOS MIMO Channel
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DOI: 10.1109/access.2018.2870520
Abstract: The capacity of millimeter-wave (mmWave) line-of-sight (LOS) multiple-input multiple-output (MIMO) channel can be reduced due to the absence of rich scattering. However, the optimization of antenna array deployment can enable the maximum spatial multiplexing gain… read more here.
Keywords: mmwave los; los mimo; mimo channel; antenna array ... See more keywords
Modeling and Characteristic of Hexapolarized MIMO Channel Consisting of Two Plane Mirrors With Varying Included Angle
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DOI: 10.1109/lawp.2019.2909126
Abstract: To investigate whether the hexapolarized multiple-input–multiple-output (HP MIMO) channel capacity gain (CCG) will gradually increase with the richness of multipath, a channel model composed of two mirrors (TM) with varying included angle is presented. By… read more here.
Keywords: included angle; channel consisting; mimo channel; mirrors varying ... See more keywords
Massive MIMO Channel Estimation Over the mmWave Systems Through Parameters Learning
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DOI: 10.1109/lcomm.2019.2897995
Abstract: In this letter, we formulate an off-grid channel model to characterize spatial sample mismatching in the discrete Fourier transform (DFT) based massive multiple-input-multiple-output (MIMO) channel estimation over the millimeter-wave (mmWave) band. Then, we decompose the… read more here.
Keywords: mimo channel; channel estimation; model; massive mimo ... See more keywords
Parallel Channel Sounder for MIMO Channel Measurements
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DOI: 10.1109/mwc.2018.1800042
Abstract: In order to address the challenges in MIMO channel measurement and modeling for 5G communication scenarios, a CDM-based parallel channel sounder is developed and evaluated in this article. Compared to traditional TDM-based channel sounders, our… read more here.
Keywords: sounder mimo; channel sounder; mimo channel; channel measurements ... See more keywords
Time-Varying Massive MIMO Channel Estimation: Capturing, Reconstruction, and Restoration
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2019.2937516
Abstract: To estimate time-varying MIMO channel at base station, traditional downlink (DL) channel restoration schemes usually require the reconstruction for the covariance of downlink process noise vector, which is dependent on DL channel covariance matrix (CCM).… read more here.
Keywords: time; mimo channel; time varying; massive mimo ... See more keywords
MIMO channel estimation and evaluation for airborne traffic surveillance in cellular networks
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Remote Sensing"
DOI: 10.1117/1.jrs.12.016034
Abstract: Abstract. A channel estimation (CE) procedure based on compressed sensing is proposed to estimate the multiple-input multiple-output sparse channel for traffic data transmission from drones to ground stations. The proposed procedure consists of an offline… read more here.
Keywords: channel estimation; traffic; phase; mimo channel ... See more keywords
Investigation of MIMO Channel Characteristics in a Two-Section Tunnel at 1.4725 GHz
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DOI: 10.1155/2017/3693149
Abstract: This paper presents results from a wide band single-input–single-output (SISO) and 16 16 virtual multiple-input–multiple-output (MIMO) measurement campaign at a center frequency of 1.4725 GHz in a 100-meter long tunnel laboratory which is terminated by a… read more here.
Keywords: investigation mimo; 4725 ghz; tunnel; mimo channel ... See more keywords