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Radio link monitoring method and device

A wireless link and wireless link quality technology, applied in the field of wireless link monitoring methods and devices, can solve the problems that CRS and RLM technology cannot adapt to 5G communication systems, etc., and achieve the effect of recovery

Active Publication Date: 2018-11-20
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

However, the introduction of beam transmission in the 5G communication system does not consider the CRS sent in each subframe, so that the RLM technology in the LTE system cannot adapt to the development of the 5G communication system, and it is urgent to propose a new wireless link monitoring method

Method used

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  • Radio link monitoring method and device

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Embodiment Construction

[0060] The technical solutions provided in this application can be applied to various communication systems that introduce RLM technology, for example, the introduction of RLM technology on the basis of existing communication systems, 5G communication systems, future evolution systems or multiple communication fusion systems, etc. It can include a variety of application scenarios, for example, machine-to-machine (English name can be machine to machine, English abbreviation can be M2M), D2M, macro-micro communication, enhanced mobile Internet (English name can be enhance mobile broadband, English abbreviation can be eMBB), ultra-high reliability and ultra-low latency communication (the English name can be ultra reliable&low latency communication, the English abbreviation can be uRLLC), and massive Internet of Things communication (the English name can be massive machine type communication, the English abbreviation can be mMTC) Wait for the scene. These scenarios may include but...

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Abstract

The embodiment of the invention discloses a radio link monitoring method and device, and relates to the technical field of communication. The method can comprise the steps that: the high level of a terminal receives a beam detection result message from the bottom level of the terminal, wherein the beam detection result message is used for indicating a beam monitoring result; and the high level ofthe terminal controls a radio link monitoring process according to the beam detection result message. The radio link monitoring method and device disclosed by the invention can be applied to a 5G communication system.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to a method and device for monitoring a wireless link. Background technique [0002] In the long-term evolution (English name can be long term evolution, English abbreviation can be LTE) system, radio link monitoring (English name can be radio link monitoring, English abbreviation can be RLM) is used for terminals in the connected state to monitor the current serving cell to evaluate the downlink quality. When the terminal in the connected state evaluates that the quality of the downlink cannot meet the requirements of the terminal, the terminal searches and selects a new cell to reestablish the wireless link. Wherein, in the LTE system, the radio link quality is measured based on a cell common reference signal (the English name may be cell specific reference signal, and the English abbreviation may be CRS). However, the introduction of be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/08H04W24/04
CPCH04W24/08H04W24/04H04W76/19H04B7/0626H04B7/088H04L5/0051H04W24/10H04W56/001H04W72/046H04W80/08
Inventor 罗俊晋英豪刘瑾向铮铮
Owner HUAWEI TECH CO LTD
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