Patent · US Active

Data transmission method and device

US11239887B2 · kind B2 · utility

3Cited by

1References

8Claims

0Family size

Assignee

DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD. · CN

Inventors

Qiubin Gao · Beijing, CN
Shanzhi Chen · Beijing, CN
Wenhong Chen · Longbeilingcun, CN
Runhua Chen · Dallas, US
Hui Li · Beijing, CN
Rakesh Tamrakar · Beijing, CN
Shaohui Sun · Shanghai, CN

Key dates

Filing date	Feb 27, 2017
Grant date	Feb 1, 2022
Priority date	—
Expiry date	Dec 8, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH04L5/0057
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A data transmission method and a data transmission device are provided. The data transmission method includes steps of: determining, by a transmitting end, a first precoding matrix and a second precoding matrix, the first precoding matrix being selected from a predefined first codebook, the second precoding matrix being acquired on the basis of CSI; performing, by the transmitting end, precoding processing on a data stream in accordance with the first precoding matrix and the second precoding matrix; and transmitting, by the transmitting end, the data streamed acquired after the precoding processing to a receiving end.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.