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A qos-based bearer release method, device and equipment

A bearer release and default bearer technology, applied in the field of communication, can solve problems such as dropped calls and user call failures, and achieve the effects of reducing the probability of abnormal releases, avoiding user experience degradation, and avoiding VoLTE call failures or call drops

Active Publication Date: 2019-10-29
CHINA MOBILE COMM GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the UE reconnects to the network, since the dedicated bearer has been released, the core network side will only configure the default bearer for the UE. For VoLTE users who have initiated calls, because the dedicated bearer is abnormally released by the network side, it is easy to cause user calls fail or drop

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  • A qos-based bearer release method, device and equipment
  • A qos-based bearer release method, device and equipment
  • A qos-based bearer release method, device and equipment

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Embodiment Construction

[0054] It should be noted that the "bearer" mentioned in this document specifically refers to the EPS bearer, that is, a mechanism that provides certain characteristic guarantee for data stream transmission between the UE and the PDN gateway. Usually this feature is characterized by "QoS" (Quality of Service), QoS usually uses QCI (QoS Class Identifier), ARP (Allocation and Retention Priority, allocation and retention priority), GBR (Guaranteed Bit Rate, guaranteed bit rate) and AMBR (Aggregate Maximum Bit Rate, total maximum bit rate) several parameters to describe. Among them, the QCI parameter specifically defines the index requirements such as service priority, delay, and packet loss rate.

[0055] According to the order in which bearers are established, EPS bearers can be divided into default bearers and dedicated bearers. Among them, the default bearer is allocated by the core network when the user initially accesses, and the core network will keep the user's default be...

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Abstract

The invention discloses a bearer releasing method based on QoS. The method comprises the steps of monitoring QoS attribute information which corresponds with a current service bearer of a terminal by a base station; determining a fact that the bearer is a default bearer or a newly established bearer for the terminal according to the QoS attribute information, setting the threshold of a corresponding bearer releasing timer according to different determining results; after a fact that communication between UE and a core network is interrupted and the value of the bearer releasing timer exceeds the preset threshold, transmitting a bearer releasing request to the core network; and after a bearer releasing response returned from the core network is received, and updating the threshold of the bearer releasing timer. The invention further discloses a bearer releasing device and equipment for realizing the bearer releasing method.

Description

technical field [0001] The present invention relates to bearer release technology in the communication field, in particular to a QoS-based bearer release method, device and equipment. Background technique [0002] The LTE system supports co-frequency networking to improve spectrum efficiency. Therefore, inter-cell interference becomes the main interference in the LTE system. When the user moves to the edge of the cell, due to the increase of inter-cell interference, the signal quality will deteriorate, and the capacity will temporarily fail to maintain communication with the network. If the interruption time exceeds the timer threshold on the base station side, the base station side will initiate a context release request for the user to the core network side, and the base station side will also release the user's context, thereby reducing the equipment burden on the base station side and avoiding resource waste. After receiving the context release request from the base sta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/30
Inventor 刘建华刘磊王四海
Owner CHINA MOBILE COMM GRP CO LTD
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