Unlock instant, AI-driven research and patent intelligence for your innovation.

Method and terminal for beam failure recovery

A beam and terminal technology, applied in wireless communication, electrical components, etc., can solve problems such as frequent switching, waste of system signaling resources and non-competitive access resources

Active Publication Date: 2021-04-27
四川创智联恒科技有限公司
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the beam is restored, the UE has been moving back and forth between the two candidate beams, which will cause the UE to switch beams frequently and initiate random access
In this case, a lot of system signaling resources and non-contention access resources will be wasted

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and terminal for beam failure recovery
  • Method and terminal for beam failure recovery
  • Method and terminal for beam failure recovery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

[0029] In the embodiment of the present invention, such as figure 1 As shown, a method for beam failure recovery, the method process includes:

[0030] Process 1: In the case of multiple carriers, the terminal camps on the first beam, and the terminal can detect other candidate beams at the same time. When the first beam meets the beam quality deterioration, the number of times the link signal deterioration indication is reported is greater than the counter setting After the maximum threshold value of , initiate random access on the second beam among the candidat...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention discloses a beam failure recovery method and a terminal. The method includes: 1. The terminal persists until the quality of the current access beam deteriorates, reports the indication of link signal deterioration, and switches after the number of reports is greater than the maximum threshold value. Access to the second beam; 2. After the terminal switches to the second beam, measure the quality of the second beam, and switch to the first beam when the beam switching conditions are met and the measurement results meet the preset conditions; 3. The terminal switches to the first beam After the beam is completed, measure the quality of the first beam, and switch to the second beam when the first beam meets the beam switching conditions and the measurement results meet the preset conditions; 4. The terminal satisfies the beam switching conditions of steps 2 and 3 above at the same time , repeat steps 2 to 3 in sequence, and switch repeatedly between the first beam and the second beam. The invention also provides a terminal for beam failure recovery. The present invention is applicable to the situation of low-speed movement, can avoid users from frequently switching beams, and reduces the waste of system signaling resources.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a beam failure recovery method and terminal. Background technique [0002] In the fifth-generation mobile communication new air interface (New Radio, NR) system, if the user equipment (User Equipment, UE) detects that the current beam signal is deteriorating, it will report the link signal deteriorating indication. When the number of reports reaches the upper layer configuration parameter threshold When the maximum threshold is beamFailureInstanceMaxCount, the UE will trigger a beam failure recovery request. [0003] The beam failure recovery (Beam Failure Recover, BFR) mechanism includes: beam failure detection, new candidate beam identification, beam failure recovery request and other processes. Beam failure recovery means that the UE finds a beam whose channel quality meets the requirements again, that is, the user terminal selects a new available synch...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W36/06H04W36/30H04W36/32H04W74/08
CPCH04W36/06H04W36/30H04W36/32H04W74/0833H04W36/0058H04W36/0085
Inventor 段雪超
Owner 四川创智联恒科技有限公司