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Method, terminal and network device for triggering conditional handover or conditional secondary cell change

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: 2022-08-09
POTEVIO INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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

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  • Method, terminal and network device for triggering conditional handover or conditional secondary cell change
  • Method, terminal and network device for triggering conditional handover or conditional secondary cell change
  • Method, terminal and network device for triggering conditional handover or conditional secondary cell change

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Embodiment Construction

[0055] In order to make the purposes, 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 with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all 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.

[0056] like 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, applied to a terminal, including:

[0057] Step 100: Receive at least two different trigger conditions configured by the network equ...

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Abstract

Embodiments of the present invention provide a method, a terminal, and a network device for triggering conditional handover or conditional secondary cell change. The method includes: receiving at least two different execution conditions for triggering CHO or CPAC and triggering timer configuration configured by the network device. information and the pre-configuration information of the candidate target cell, and complete the corresponding configuration; when it is determined that the measurement result of the reference signal quality of the cell meets all the execution conditions configured by the network equipment, start the common trigger timer corresponding to all the execution conditions; During operation, continue to monitor whether the measurement result satisfies all execution conditions. If the measurement result does not meet a certain execution condition at a certain moment, the public trigger timer will be stopped; if the public trigger timer expires, the network device will Configure to perform CHO or CPAC. The embodiment of the present invention can ensure that the UE reasonably executes CHO or CPAC, avoids ping-pong handover, and optimizes resource management.

Description

technical field [0001] The present invention relates to the field of communication technologies, and more particularly, to a method, a terminal and a network device 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 takes LTE as the baseline, but compared with LTE, the delay caused by beam scanning in the NR system due to the ultra-high frequency range of beamforming will increase the handover interruption time. And 0ms interruption time is one of the requirements of NR system. [0003] In order to reduce handover interruption time and improve handover reliability, both Rel-16 NR and LTE introduce a Conditional Handover (CHO) mechanism. In the CHO mechanism, the network equipment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W36/30
CPCH04W36/00837H04W36/30
Inventor 林佩池连刚赵莹
Owner POTEVIO INFORMATION TECH CO LTD