Method for triggering conditional switching or conditional secondary cell change, terminal and network equipment

A technology of triggering conditions and network equipment, applied in the field of communication, can solve problems such as increasing switching interruption time, and achieve the effect of avoiding ping-pong switching and optimizing resource management

Active Publication Date: 2021-07-20
POTEVIO INFORMATION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The handover technology in Rel-15 is based on LTE, but compared to LTE, the delay caused by beam scanning due to the ultra-high frequency range of beamforming in the NR system will increase the handover interruption time

Method used

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  • Method for triggering conditional switching or conditional secondary cell change, terminal and network equipment
  • Method for triggering conditional switching or conditional secondary cell change, terminal and network equipment
  • Method for triggering conditional switching or conditional secondary cell change, terminal and network equipment

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Embodiment Construction

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0056] Such as figure 2 As shown, it is a schematic flowchart of a method for triggering a conditional handover or a conditional secondary cell change provided by an embodiment of the present invention, which is applied to a terminal, including:

[0057] Step 100, receiving at least two different trigger conditions configured by the network devi...

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Abstract

Provided in an embodiment of the present invention are a method, terminal and network device for triggering conditional switching or conditional secondary cell change. The method comprises the steps: receiving at least two different execution conditions for triggering CHO or CPAC configured by the network device, triggering timer configuration information and pre-configuration information of a candidate target cell, and completing corresponding configuration; when determining that the measurement result of the cell reference signal quality meets all execution conditions configured by the network equipment, starting a common trigger timer corresponding to all the execution conditions; during the operation period of the common trigger timer, continuously monitoring whether the measurement result meets all execution conditions or not, and if it is monitored that the measurement result does not meet a certain execution condition at a certain moment, stopping the common trigger timer; if the common trigger timer is overtime, executing CHO or CPAC according to the network equipment configuration. According to the embodiment of the invention, the UE can be ensured to reasonably execute CHO or CPAC, ping-pong switching is avoided, and resource management is optimized.

Description

technical field [0001] The present invention relates to the field of communication technology, and more specifically, to a method, terminal and network equipment for triggering conditional handover or conditional secondary cell change. Background technique [0002] In order to meet the ultra-low latency and ultra-high reliability requirements of future wireless communication systems, 3GPP has carried out research on mobility enhancement projects based on Rel-15 NR and LTE. The handover technology in Rel-15 is based on LTE, but compared with LTE, the NR system will increase the handover interruption time due to the ultra-high frequency range of beamforming and the delay caused by beam scanning. The 0ms interrupt time is one of the requirements of the NR system. [0003] In order to reduce handover interruption time and improve handover reliability, Rel-16 NR and LTE both introduce a Conditional Handover (CHO) mechanism. In the CHO mechanism, the network device configures ca...

Claims

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Application Information

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IPC IPC(8): H04W36/00H04W36/30
CPCH04W36/00837H04W36/30
Inventor 林佩池连刚赵莹
Owner POTEVIO INFORMATION TECH
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