Abstract
This paper proposes channel prediction algorithms, based on the vector Prony method, tackling the channel state information (CSI) acquisition problem in fast time-varying uplink and downlink channels of the time division duplex (TDD) in massive multiple-input, multiple-output (MIMO) systems. For the uplink system, we show that the CSI obeys the Prony equation in theory, and we aim to overcome the instability of solving the Prony equation via iterating the Prony coefficients based on CSI re-estimated from signals received during data transmission. For the downlink system, a method to generate precoders is constructed based on the prediction of downlink CSI. Experiments are performed according to the fast fading full-dimensional multiple-input multiple-output (FD-MIMO) channel model of 3GPP Standards. The results demonstrate that performance is improved remarkably in uplink transmissions and approaches the theoretical optimal scheme in downlink transmissions.
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Data Availibility Statement
The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request. All results are included in this published article; the results raw output is available from the corresponding author on reasonable request.
Code Availability
Code is available from the corresponding author on reasonable request.
Abbreviations
- CSI:
-
Channel State Information
- TDD:
-
Time Division Duplex
- MIMO:
-
Multiple-input Multiple-output
- FD-MIMO:
-
Full-Dimensional Multiple-input Multiple-output
- AR:
-
Autoregressive
- SOS:
-
Sum-Of-Sinusoids
- FIR:
-
Fnite Impulse Response
- PAD:
-
Prony-based Angular-delay Domain
- MU:
-
Mobile User
- 3GPP:
-
3Rd Generation Partnership Project
- BS:
-
Base Station
- UL:
-
Uplink
- DL:
-
Downlink
- AOA:
-
Azimuth Of Arrival angle
- AOD:
-
Azimuth Of Departure angle
- ZOA:
-
Zenith Of Arrival angle
- ZOD:
-
Zenith Of Departure angle
- MMSE:
-
Minimum Mean Square Error
- LOS:
-
Loss Of Sight
- ASA:
-
Azimuth Spread of Arrival angle
- ASD:
-
Azimuth Spread of Departure angle
- ZSA:
-
Zenith Spread of Arrival angle
- ZSD:
-
Zenith Spread of Departure angle
- ML:
-
Maximum Likehood
- QAM:
-
Quadrature Amplitude Modulation
- SNR:
-
Signal Noise Ratio
- DMRS:
-
Demodulation Reference Signal
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Yi Huang, Haiquan Wang, Haifan Yin, and Zhijin Zhao conceived the algorithm and designed the experiments; Yi Huang and Haiquan Wang designed the MATLAB programs; Yi Huang and Haiquan Wang performed the experiments; Yi Huang prepared figures and analyzed the experimental results; Haiquan Wang drafted the manuscript; Yi Huang, Haifan Yin, and Zhijin Zhao revised the manuscript. All authors read and approved the final manuscript.
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Huang, Y., Wang, H., Yin, H. et al. Iterative Time-Varying Channel Prediction Based on the Vector Prony Method. Wireless Pers Commun 136, 103–122 (2024). https://doi.org/10.1007/s11277-024-11162-8
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DOI: https://doi.org/10.1007/s11277-024-11162-8