Title:
DATA TRANSMISSION METHOD, APPARATUS, AND DEVICE, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/206374
Kind Code:
A1
Abstract:
The embodiments of the present disclosure disclose a data transmission method, apparatus, and device, and a storage medium. The method comprises: determining a frequency domain channel estimation matrix of each resource element (RE) of a sounding reference signal (SRS); determining, on the basis of each frequency domain channel estimation matrix, a port correlation matrix corresponding to each sub-band in a broadband, and, for each sub-band, performing singular value decomposition on the port correlation matrix corresponding to the sub-band and obtain a port feature value matrix corresponding to the sub-band; determining, on the basis of the port feature value matrix corresponding to each sub-band, a sub-band power coefficient of each sub-band corresponding to each transmission layer and a broadband power coefficient of the broadband corresponding to each transmission layer; determining, on the basis of the sub-band power coefficient corresponding to each sub-band and the broadband power coefficient corresponding to the broadband, an amplitude coefficient corresponding to each PRB; and sending downlink data on the basis of the amplitude coefficient corresponding to each PRB. By employing the embodiments of the present disclosure, an amplitude coefficient corresponding to each PRB can be determined on the basis of a sub-band power coefficient and a broadband power coefficient, thereby improving data sending efficiency and improving applicability.
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Inventors:
WANG XI (CN)
ZHANG XIAOJUAN (CN)
ZHANG XIAOJUAN (CN)
Application Number:
PCT/CN2022/080967
Publication Date:
October 06, 2022
Filing Date:
March 15, 2022
Export Citation:
Assignee:
DATANG MOBILE COMMUNICATIONS EQUIPMENT CO LTD (CN)
International Classes:
H04L25/02; H04B7/0413; H04W52/32
Domestic Patent References:
| WO2020000261A1 | 2020-01-02 |
Foreign References:
| CN111656697A | 2020-09-11 | |||
| CN103905105A | 2014-07-02 | |||
| CN107231694A | 2017-10-03 |
Attorney, Agent or Firm:
LIFANG & PARTNERS (CN)
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