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Data transmission method and apparatus

A data transmission method and technology of a data transmission device, which are applied in the field of communication, can solve problems such as insufficient space diversity, and achieve the effects of improving reliability and robustness and improving space diversity performance.

Active Publication Date: 2019-08-23
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the base station uses a panel (panel) to send data to the user, and the user terminal uses a panel to receive the data sent by the base station to the user terminal; however, a panel can only point to one beam direction at the same time, resulting in insufficient space diversity

Method used

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  • Data transmission method and apparatus
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  • Data transmission method and apparatus

Examples

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Embodiment Construction

[0074] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0075] In related technologies, a panel can only point to one beam direction at the same time, so the space diversity is not enough. When the base station has multiple transmission and reception points (TRP, Transmission Reception Point), each TRP has one or more transmission panels, or the base station has only one TRP, and the TRP has multiple transmission panels, the base station can use mult...

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Abstract

The invention relates to a data transmission method and apparatus. The method includes: sending, to a second device, panel capability level information supported by a first device, wherein the panel capability level information supported by the first device is used to indicate whether two or more panels of the first device can be simultaneously activated and used simultaneously; receiving controlinformation sent by the second device, wherein the control information includes a target activation panel selected by the second device from the respective panels included in the first device, and theidentifier of a beam corresponding to the target use panel selected by the second device from the target activation panel; using the corresponding beam on the target use panel to perform data transmission between the first device and the second device. The technical solution enables the second device to better use multiple panels to transmit data to the first device, improves spatial diversity performance, and improve data transmission reliability and robustness.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission method and device. Background technique [0002] In NR, especially when the communication frequency band is in the frequency range 2 (frequency range 2) (above 6GHz), due to the fast attenuation of high-frequency channels, in order to ensure coverage, it is necessary to use beam (beam)-based transmission and reception. [0003] At present, the base station uses a panel (panel) to send data to the user, and the user terminal uses a panel to receive the data sent by the base station to the user terminal; however, a panel can only point to one beam direction at the same time, resulting in insufficient space diversity. Contents of the invention [0004] Embodiments of the present invention provide a data transmission method and device. Described technical scheme is as follows: [0005] According to a first aspect of an embodiment of the present ...

Claims

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Application Information

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IPC IPC(8): H04W8/24H04W16/28H04B7/0408H04B7/06H04B7/08
CPCH04W8/24H04W16/28H04B7/0408H04B7/0628H04B7/08H04B7/0602H04B7/0695H04W48/20H04W72/046
Inventor 李明菊
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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