A kind of acquisition and feedback method of timing advance information, terminal and base station

A timing advance information and acquisition method technology, applied in the field of feedback method, terminal and base station, timing advance information acquisition, can solve the problem that the communication reliability of the NR system cannot be guaranteed, the definition of TA and the transmission of TA commands cannot be used or realized Multi-beam TA distinction and other issues

Active Publication Date: 2021-01-12
VIVO MOBILE COMM CO LTD
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Problems solved by technology

[0006] Embodiments of the present invention provide a timing advance information acquisition and feedback method, a terminal, and a base station to solve the problem that the definition of TA and the transmission of TA commands in the LTE system cannot be used in the NR system, so that the multi-beam cannot be implemented in the NR system. The distinction of TA cannot guarantee the reliability of NR system communication

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  • A kind of acquisition and feedback method of timing advance information, terminal and base station
  • A kind of acquisition and feedback method of timing advance information, terminal and base station
  • A kind of acquisition and feedback method of timing advance information, terminal and base station

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Embodiment Construction

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] like image 3 As shown, an embodiment of the present invention provides a method for obtaining timing advance information, which is applied to a terminal, including:

[0035] Step 301, sending a random access message to the base station on the target beam;

[0036] It should be noted that, in this embodiment, timing advance (TA) information is corresponding to a beam, that is, one TA information corresponds to one beam, and when t...

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Abstract

The invention provides a method for obtaining timing advance information, a feedback method, a terminal and a base station, which relate to the technical field of communication. The method for obtaining timing advance information is applied to a terminal. The method comprises the following steps: sending a random access message to a base station on a target beam; receiving timing advance TA information corresponding to the target beam fed back by the base station according to the random access message. The scheme avoids the problem that TA information of multi-beam can not be distinguished bycorresponding TA information with beam, ensures the terminal to obtain accurate uplink synchronization, and ensures the communication reliability of NR system.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular, to a method for obtaining and feeding back timing advance information, a terminal and a base station. Background technique [0002] In a Long Term Evolution (Long Term Evolution, LTE) system, each serving cell of a user equipment (User Experience, UE, also called a terminal) is divided into a Timing Advance Group (Timing Advance Group, TAG). The UE considers that the serving cells of the same TAG have the same TA value, and the serving cells of different TAGs have different TA values. [0003] With the introduction of a transmit-receive point (TRP), a control panel (panel), and a beam (beam), one downlink cell may include multiple TRPs, one TRP may include multiple panels, and one panel may transmit multiple beams. At the same time, with the introduction of multiple panels for UEs, a UE in uplink can send multiple beams simultaneously through multiple panels. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W56/00H04W74/08
CPCH04W56/0055H04W74/0833
Inventor 岳然吴昱民鲁智
Owner VIVO MOBILE COMM CO LTD
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