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Beam failure recovery for serving cell

A technology for serving cells and beams, used in the field of telecommunications

Pending Publication Date: 2021-05-11
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So there are still questions about beam failure recovery for SCell

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  • Beam failure recovery for serving cell
  • Beam failure recovery for serving cell
  • Beam failure recovery for serving cell

Examples

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Embodiment Construction

[0024] The principles of the disclosure will now be described with reference to some example embodiments. It should be understood that these embodiments are described for the purpose of illustration only, and to help those skilled in the art to understand and implement the present disclosure, and do not propose any limitation to the scope of the present disclosure. The disclosure described herein can be implemented in various ways other than those described below.

[0025] In the following description and claims, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

[0026] As used herein, the term "communication network" refers to a network that follows any suitable communication standard or protocol and employs any suitable communication technology, such as Long Term Evolution (LTE), LTE-Advanced (LTE- A) and 5G NR, suitable communication te...

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Abstract

Embodiments of the present disclosure relate to methods, devices and computer readable mediums for beam failure recovery. The method comprises detecting a beam failure on a serving cell of the terminal device, the serving cell comprising at least one of a primary cell and a secondary cell serving the terminal device. The method further comprises in response to detecting the beam failure on the serving cell, generating a medium access control, MAC, control element, CE, the MAC CE comprising a field associated with the serving cell, wherein the field is set to be a predefined value indicating the beam failure. The method further comprises transmitting the MAC CE to a network device associated with the serving cell.

Description

technical field [0001] Embodiments of the present disclosure relate generally to the field of telecommunications, and in particular to a method, apparatus, and computer-readable storage medium for beam failure recovery (BFR) for a serving cell. Background technique [0002] New Radio Access System, also known as NR system or NR network, is a next generation communication system. It has been agreed that Carrier Aggregation (CA) used in Long Term Evolution (LTE)-Advanced will be supported in the NR system to increase bandwidth. When CA is used, there are many serving cells. Typically, a Primary Cell (PCell) and at least one Secondary Cell (SCell) are provided. A beam failure may occur when the quality of the serving cell's beam pair(s) degrades sufficiently low (eg, compared to a threshold or an associated timer expires). [0003] The beam failure recovery procedure is a mechanism for recovering a beam when all or part of the beam serving a user equipment (UE) has failed. ...

Claims

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Application Information

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IPC IPC(8): H04B7/08
CPCH04B7/0695H04B7/06964H04W72/21H04W24/08H04L5/001H04W16/28H04W24/10H04W72/046H04W72/02H04W72/1268H04W74/04H04W72/23
Inventor T·科斯克拉S·图尔蒂南吴春丽B·塞比雷M·埃内斯库
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD