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A congestion control method and system

A congestion control and service technology, applied in the field of communication, can solve problems affecting user satisfaction, interruption, etc.

Active Publication Date: 2017-09-29
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a congestion control method and system, which are used to solve the problem in the prior art that after the service is removed according to the priority of the new service, the user of the removed service may be in the middle of the service but is suddenly forcibly interrupted, which affects the satisfaction of the actual user. question

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  • A congestion control method and system
  • A congestion control method and system
  • A congestion control method and system

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Embodiment Construction

[0018] The embodiment of the present invention provides a congestion control method. When a user terminal service changes and needs to apply for a radio access bearer ERAB resource from a base station, the method includes: the source cell base station receives the changed service evolution radio sent by the mobility management entity MME Access bearer ERAB establishment request message, the establishment request message carries the quality of service QOS attribute parameters of the newly established ERAB; determines the services that can be removed according to the active status of the accessed services in the current cell; sends an ERAB release request message to the MME, The release request message carries the ERAB identifier corresponding to the service that can be removed, so that the MME releases the corresponding resource according to the ERAB identifier, and allocates the resource to the change service.

[0019] Such as figure 1 As shown, when the user terminal service chan...

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Abstract

The invention discloses a congestion control method and system, which are applied in the technical field of communication when a user terminal needs to apply for wireless access bearer ERAB resources from a base station due to service changes. The method includes: the base station of the source cell receives the ERAB establishment request message of the changed service sent by the mobility management entity MME, and the message carries the quality of service QOS attribute parameter that needs to newly establish the ERAB; The activity state determines the service that can be removed; sends an ERAB release request message to the MME, and the message carries the ERAB identifier corresponding to the service that can be removed, so that the MME releases the resources corresponding to the removed service and allocates it to the changed service. The method and system proposed by the present invention will ensure that resources occupied by long-term inactive services are released preferentially in congestion control, and new user requirements are met without affecting the use experience of existing users.

Description

Technical field [0001] The present invention relates to the field of communication technology, in particular to a congestion control method and system. Background technique [0002] In LTE networks, in hotspot coverage areas or during holidays, relatively large traffic volume is often generated, and wireless resources are limited. When new users constantly need services from the current source cell (Serving Cell), the cell must be required to allocate corresponding resources for the user. Each user may have multiple business needs at the same time, for example: while video call, while browsing Internet pages. With the increase in the number of users and service requirements, the wireless resources of the cell are exhausted. In order to meet the quality of service for new users, the source cell is required to perform congestion control according to certain criteria, and to remove other users’ services to achieve wireless resource utilization and Balance of user satisfaction. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/08H04W28/10H04W36/22
CPCH04W76/36
Inventor 张东川
Owner ZTE CORP