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Confirming method, system and equipment of OI (Overload Indication) threshold value

An overload indication and threshold technology, applied in network traffic/resource management, electrical components, wireless communication, etc.

Active Publication Date: 2013-09-04
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Embodiments of the present invention provide a method, system and device for determining an overload indication (OI) threshold, which are used to solve the problem that the OI threshold cannot be dynamically adjusted in the prior art

Method used

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  • Confirming method, system and equipment of OI (Overload Indication) threshold value
  • Confirming method, system and equipment of OI (Overload Indication) threshold value
  • Confirming method, system and equipment of OI (Overload Indication) threshold value

Examples

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example 1

[0050] Example 1: The O&M device makes a new OI threshold adjustment decision based on the terminal distribution information in the current cell and the OI threshold adjustment decision information sent by the access network device.

[0051] Specifically, if the OI threshold adjustment decision sent by the access network device is to lower the current OI threshold of the cell, determine whether the ratio of the number of terminals currently located in the edge area of ​​the cell to the total number of terminals in the cell exceeds a preset ratio threshold; When the ratio of the number of terminals in the cell edge area to the total number of terminals in the cell does not exceed the preset ratio threshold, a new OI threshold adjustment decision is made: lower the current OI threshold of the cell; because if the number of terminals in the cell edge area accounts for If the proportion of the total number of internal terminals exceeds the preset proportion threshold, it means that...

example 2

[0053] Example 2: The O&M device makes a new OI threshold adjustment decision based on the service load information of the cell and the OI threshold adjustment decision information sent by the access network device.

[0054] Specifically, when the OI threshold adjustment decision sent by the access network device is to increase or decrease the current OI threshold of the cell, it is judged whether the service load of the current cell is within the preset load threshold, and if so, a new one is made. The OI threshold adjustment decision is: adjust the current OI threshold of the cell up or down; otherwise, make a new OI threshold adjustment decision: do not adjust the OI threshold or change the range of the OI threshold adjustment, for example, the access network device sends The OI threshold adjustment range included in the OI threshold adjustment decision information is to lower the OI threshold from the original 8db to 5db, and the new OI threshold adjustment decision can low...

example 4

[0057] Example 4: The O&M device makes a new OI threshold adjustment decision based on the interference tolerance of adjacent cells and the OI threshold adjustment decision information sent by the access network device.

[0058] Specifically, when the OI threshold adjustment decision sent by the access network device is to increase or decrease the current OI threshold of the cell, it is judged whether the adjusted OI threshold according to the OI threshold adjustment decision sent by the access network device does not exceed Interference Tolerance (IoT) value of the sub-district, if so, then make a new OI threshold adjustment decision as: the current OI threshold of the sub-district is adjusted up or down; otherwise, make a new OI threshold adjustment decision as: do not adjust the OI threshold or Changes the magnitude by which to adjust the OI threshold.

[0059]It may also be that after the access network device determines that the preset OI threshold adjustment condition is...

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Abstract

The invention embodiment discloses a method for adjusting an OI (Overload Indication) threshold value. The method comprises the following steps of: receiving a PHR (Power Headroom Report) value which is submitted by a terminal in a cell by access network equipment, wherein the PHR value is a difference between the emissive power of the terminal and an emissive power superior limit of the terminal and is calculated by the terminal; and adjusting a current OI threshold value of the cell according to the PHR value received in a set period of time. The invention embodiment discloses a system and equipment for adjusting the OI threshold value. The invention can be adopted to dynamically adjust the OI threshold value of the cell so that an ICIC (Inter-Cell Interference Coordination) technology takes better effect, a phenomenon of heavy system interference or low capacity can be effectively avoided to prevent unstable system and resource waste.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a method, system and equipment for determining an overload indication (OI) threshold. Background technique [0002] In the long-term evolution (LTE) and long-term evolution upgrade (LTE-A) systems, by introducing the network self-organization mechanism, the manual participation in network planning and operation and maintenance is reduced, and the network construction and operation costs are reduced. It is against this background that the SON characteristics of the Evolved Universal Terrestrial Radio Access (E-UTRA) system is studied as a working topic of the 3rd Generation Mobile Communications Standardization Organization (3GPP). SON technology includes self-configuration, self-optimization and self-healing, among which self-optimization is an important feature. [0003] In the LTE system, the inter-cell interference coordination (Inter-Cell Interference Coordinati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/10H04W24/10H04W28/02
Inventor 赵瑾波朱志球寇会如秦飞
Owner DATANG MOBILE COMM EQUIP CO LTD