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Method, apparatus and system for reporting connection reestablishment information

A connection reconstruction and reporting technology, applied in the field of communication, can solve problems such as misjudgment and inability to further optimize the network

Inactive Publication Date: 2018-07-20
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently no effective method on the network side to identify the cause of the RRC connection re-establishment failure, and then misjudge the cause of RLF or HOF, making it impossible to further optimize the network

Method used

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  • Method, apparatus and system for reporting connection reestablishment information
  • Method, apparatus and system for reporting connection reestablishment information
  • Method, apparatus and system for reporting connection reestablishment information

Examples

Experimental program
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Effect test

example 1

[0060] Example 1: The above-mentioned relevant information ①-⑥ are collectively referred to as new information, such as information for creating new connections.

example 2

[0061] Example 2: Relevant information ③ and ④ are collectively referred to as new information, such as unsuccessful signaling interaction during RRC connection re-establishment;

example 3

[0062] Example 3: Relevant information ② and ⑤ are collectively referred to as new information, for example, a suitable cell cannot be selected within a predetermined time, such as an E-UTRA cell.

[0063] Example 4, the relevant information ⑥ and more than one information in the above ①-⑤ information are combined into new information, such as collectively referred to as other reasons (other).

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PUM

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Abstract

A method, apparatus and system for reporting connection reestablishment information. The method includes: after the wireless link fails or the handover fails, after the connection re-establishment is not performed or the connection re-establishment fails, and the network is re-connected successfully, the connection re-establishment information is reported to the network side. In this way, after receiving the connection re-establishment information, the network side can more accurately determine the cause of RLF or HOF, and / or the cause of connection re-establishment failure, and / or optimize the connection re-establishment process according to the connection re-establishment information.

Description

technical field [0001] The invention relates to the communication field, in particular to a method, device and system for reporting connection reestablishment information. Background technique [0002] Currently, in the Advanced Long Term Evolution (LTE-A: Advanced Long Term Evolution) system, when a terminal device detects a radio link failure (RLF: Radio Link Failure) or a handover failure (HOF: Handover Failure), the terminal device will Initiate a radio resource control (RRC, Radio Resource Control) connection reestablishment process, and report relevant information when RLF or HOF occurs to the network side after reconnecting to the network. If the RRC connection re-establishment fails, the network side also deduces that the RRC connection re-establishment fails from the information sent by the terminal device. However, there is currently no effective method on the network side to identify the cause of the RRC connection re-establishment failure, and then misjudge the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/04
CPCH04W76/19H04W24/04H04W36/0079
Inventor 汪巍崴李兆俊周华
Owner FUJITSU LTD