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Cell switching method and device

A cell switching and target cell technology, applied in the field of communication, can solve problems such as insufficient flexibility and prolongation of the cell switching process, and achieve the effect of improving flexibility and reducing delay

Active Publication Date: 2021-08-13
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a cell switching method and equipment to solve the problems of long time delay and insufficient flexibility in the cell switching process in the related art

Method used

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  • Cell switching method and device

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Embodiment Construction

[0049] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application. "And / or" in each embodiment of this specification means at least one of the two before and after.

[0050] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: Long Term Evolution (Long Term Evolution, LTE) system, LTE Frequency Division Duplex (Fre...

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Abstract

The embodiment of the invention discloses a cell switching method and equipment, which are used for solving the problems of long time delay and insufficient flexibility in the cell switching process in the related technology. The method can be executed by a terminal device, and comprises the following steps: switching to a target cell or a target TRP under the condition that at least one of the following conditions is satisfied: a first CORESET is associated with the target cell or the target TRP, the related information of the first TRP points to a target cell or a target TRP, the first RS points to a target cell or a target TRP, the first TCI points to a target cell or a target TRP, the first space related information points to a target cell or a target TRP; the first RACH resource points to the target cell or the target TRP. According to the embodiment of the invention, multiple modes are provided to implicitly indicate the terminal equipment to carry out cell switching, the network equipment does not need to explicitly send an RRC reconfiguration signaling, the flexibility of the system is improved, and the time delay of cell switching is reduced.

Description

technical field [0001] The embodiments of the present invention relate to the communication field, and in particular, to a cell handover method and device. Background technique [0002] Cell handover is mostly performed in a manner assisted by a terminal device. For example, a network device selects a target cell for handover according to a measurement report reported by the terminal device. [0003] The process of cell handover in the related art is as follows: 1. The source cell instructs the handover and transmits the handover request to the target cell; 2. The target cell performs admission control and provides radio resource control (Radio Resource Control, RRC) configuration as a handover approval A part is sent to the source cell; 3. The source cell sends an RRC reconfiguration message to the terminal device, including a handover command; 4. The terminal device connects the RRC to the target cell and replies that the handover is complete. [0004] It can be seen that...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/08
CPCH04W36/0005H04W36/0011H04W36/0055H04W36/0072H04W36/08H04L5/0053H04L5/0092H04L5/0051H04W16/28H04W36/0061H04W74/0833
Inventor 杨昂孙鹏
Owner VIVO MOBILE COMM CO LTD