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Link detection method and device

A link detection and wireless link technology, applied in the field of communication, can solve problems such as terminal equipment not working normally, terminal equipment fallback, etc., and achieve the effect of reducing the RRC reconstruction process

Active Publication Date: 2020-04-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, according to the current method, if a wireless link fails, the terminal device will perform RRC reconstruction, resulting in unnecessary RRC reconstruction process, and even the terminal device may fall back to the RRC idle state, which may cause the terminal device to fail to work normally.

Method used

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  • Link detection method and device

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Embodiment Construction

[0081] In order to make the purpose, technical solutions, and advantages of the embodiments of the present application clearer, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0082] In the following, some terms used in the embodiments of the present application are explained, so as to facilitate the understanding of those skilled in the art.

[0083] 1) Terminal equipment, including equipment that provides voice and / or data connectivity to users, for example, may include a handheld device with a wireless connection function, or a processing device connected to a wireless modem. The terminal device may communicate with the core network via a radio access network (radio access network, RAN), and exchange voice and / or data with the RAN. The terminal equipment may include user equipment (user equipment, UE), wireless terminal equipment, mobile terminal equipment, subscriber unit (subscriber unit...

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Abstract

The invention discloses a link detection method and device. The link detection method comprises the following steps: determining that a first wireless link with access network equipment fails; detecting a second wireless link with the access network equipment to determine whether the second wireless link fails or not; and under the condition of determining that the second wireless link does not fail, communicating with the access network equipment through the second wireless link. If it is determined that the first wireless link fails, the second wireless link may also be detected, and if thesecond wireless link does not fail, communication with the access network equipment can be performed continuously through the second wireless link without performing RRC reconstruction on the first wireless link, so that unnecessary RRC reconstruction processes are reduced, terminal equipment does not need to return to an RRC idle state, and the terminal equipment can continue to work normally.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a link detection method and device. Background technique [0002] During the communication process between the terminal device and the access network device, the terminal device needs to monitor the quality of the wireless link from time to time to judge whether the current wireless link with the access network device can guarantee normal data communication, or whether it can still Keep the connection status under the current access network device. [0003] For example, a terminal device can detect a radio link failure (radio link railure, RLF) event, if no RLF event is detected, the terminal device maintains communication with the access network device, and if an RLF event is detected, it indicates that the terminal device The link quality between the access network device and the currently established connection is poor, and the terminal device can perfo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/08H04W36/00H04W36/30H04W76/18H04W76/19
CPCH04W24/08H04W36/0083H04W36/30H04W76/18H04W76/19H04W8/24H04W76/15H04W36/305H04W48/12H04W76/27H04W24/10
Inventor 郑娟李超君
Owner HUAWEI TECH CO LTD
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