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Method for reducing UE (User Equipment) reselection delay in load balancing process

A load balancing and delay technology, applied in network traffic/resource management, electrical components, wireless communication, etc., can solve problems such as no service status, time-consuming, poor user experience, etc., to reduce reselection delay and economic benefits High and achieve low cost effect

Inactive Publication Date: 2018-11-06
WUHAN HONGXIN TECH DEV CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] After the existing redirection function redirects the UE to the specified frequency point, the UE will search the entire network according to the frequency point. This method is time-consuming, and it is possible to select an overloaded cell or repeatedly initiate If the access is rejected, then the UE is likely to be out of service for a period of time or downgraded to 3G or 2G mode. This kind of user experience is relatively poor.

Method used

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  • Method for reducing UE (User Equipment) reselection delay in load balancing process

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Embodiment Construction

[0019] The technical solutions of the present invention will be described below in conjunction with the accompanying drawings and embodiments.

[0020] The present invention proposes that based on the redirection process during load balancing, the cell list corresponding to the frequency point is specified in the redirection message. After receiving the redirection message, the UE directly selects a cell according to the physical cell identifier in the cell list to complete camping. There is no need to perform a cell search process, ensuring that the UE completes reselection and camps in the target cell as soon as possible.

[0021] In the prior art, after the UE receives the redirection message, the original process is as follows:

[0022] 1) Search for the frequency specified in the redirection message (the specific frequency search algorithm depends on the implementation of the chip manufacturer, which is very complicated and will not be described in detail here), and the i...

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Abstract

The invention provides a method for reducing a UE (User Equipment) reselection delay in the load balancing process, which is characterized in that based on the redirection flow in the load balancing process, a cell list corresponding to a frequency point is specified in a redirection message; and after UE receives the redirection message, the UE directly selects one cell according to a physical cell identifier in the cell list to complete residence without carrying out the cell search flow so as to ensure that the UE completes reselection and residence in a target cell as soon as possible. Therefore, the UE can directly select the cell in the target cell list without carrying out whole-network full-band searching, so that the reselection delay can be effectively reduced.

Description

technical field [0001] The invention relates to the field of mobile communication. Specifically, the present invention relates to a method for reducing UE reselection delay during load balancing in a 3GPP Long Term Evolution system (LTE, Long Term Evolution). Background technique [0002] In the LTE wireless network system, there are often many users (UE, User Equipment) in some cells, causing the cell to be in a congested or overloaded state, which affects user experience; while adjacent base stations or cells have relatively few services or are in an idle state, In this way, community resources are wasted; the load balancing function coordinates community resources from the perspective of the whole system, and combines the corresponding load balancing algorithms and strategies to select appropriate users and migrate them to suitable light-loaded communities; the redirection method serves as a load balancing method. The UE relocation method commonly used in mobile phones c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08H04W36/00H04W36/08
CPCH04W28/08H04W36/0083H04W36/08
Inventor 叶皇王贻先夏彪陈涛陈林
Owner WUHAN HONGXIN TECH DEV CO LTD
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