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Cell reselection parameter optimizing method and device

A technology of cell reselection parameters and optimization methods, applied in the field of communications, can solve problems affecting service quality, ping-pong reselection, etc.

Active Publication Date: 2015-04-15
CHINA MOBILE GRP BEIJING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the technical problems of ping-pong reselection caused by using the same start-up threshold for different cell environments in the prior art, which affects service quality, etc., the present invention proposes a method and device for optimizing cell reselection parameters

Method used

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  • Cell reselection parameter optimizing method and device
  • Cell reselection parameter optimizing method and device
  • Cell reselection parameter optimizing method and device

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Embodiment 1

[0022] According to an embodiment of the present invention, a method for optimizing cell reselection parameters is provided, and the method is suitable for deployment on an RNC (Radio Network Controller, radio network controller). Such as figure 1 As shown, the method includes:

[0023] Step 101: Determine the maximum adjustment range of the cell reselection threshold in different environments according to the wireless propagation characteristics and different terminal performances in different environments.

[0024] The maximum adjustment range of the reselection threshold of the cell in a certain environment is calculated according to the wireless propagation characteristics and the statistical characteristics of the terminal performance in a certain environment.

[0025] Specifically, in order to ensure the accuracy of cell reselection parameters, wireless transmission characteristics in different environments (usually characterized by the standard deviation δ of propagati...

Embodiment 2

[0081] In order to facilitate the implementation of the method in Embodiment 1, this embodiment provides a device for optimizing cell reselection parameters. The device can be installed on the RNC, or it can be a kind of RNC. Such as figure 2 As shown, it includes: a maximum reselection adjustment range determination module 21 , a reselection threshold value determination module 22 , an acquisition module 23 , and an adjustment module 24 .

[0082] The maximum reselection adjustment range determination module 21 is used to determine the maximum adjustment range of the reselection threshold value of the cell under different environments according to the wireless propagation characteristic parameters and different terminal performance parameters in different environments; the reselection threshold value determination module 22, It is used to determine the reselection threshold value of the cell under different environments according to the maximum adjustment range; the acquisit...

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Abstract

The invention discloses a cell reselection parameter optimizing method and device, relates to the technical field of communication, and solves the technical problems that different cells perform reselection according to the same reselection parameter in the prior art. The method includes: respectively determining the maximum adjusting range of cell reselection thresholds under different environments according to the wireless transmission features and different terminal performances under the different environments; determining the cell reselection thresholds under the different environments according to the maximum adjusting range; aiming at the cell reselection threshold under one environment, acquiring the reselection times among cells on cell PS domain services under the environment; adjusting the cell reselection threshold according to the reselection times. The method is mainly applicable to cell reselection.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for optimizing cell reselection parameters. Background technique [0002] The existing planning method for cell reselection is set uniformly across the network based on experience, that is, it is set according to the standard value when the base station is turned on. The most frequently used cell reselection optimization method is the load-based reselection optimization method, that is, when the load of the local cell is too high, the reselection parameters with the neighboring cells are adjusted so that the users at the edge of the cell prefer the neighboring cells, so as to achieve the purpose of load balancing . In addition, there are time-based optimization methods for suppressing ping-pong reselection between systems, methods for suppressing ping-pong reselection based on ping-pong reselection detection, cell reselection methods based on level and...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W36/00
CPCH04W24/02H04W36/0011
Inventor 肖建华秦文丽王德乾王晋龙夏郁川盛中来梁立涛杨成军吴赓王冀彬
Owner CHINA MOBILE GRP BEIJING
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