Cell PCI configuring method and system

A configuration method and cell technology, applied in the field of communication, to achieve the effect of reasonable configuration

Active Publication Date: 2015-08-12
GUANGDONG HAIGE ICREATE TECHNOLOGY CO LTD
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to address the current urgent need for a method that can reasonably configure the PCI of the cell to ensure the performance of the LTE communication network, and provide a reasonable configuration method and system for the PCI of the cell

Method used

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  • Cell PCI configuring method and system
  • Cell PCI configuring method and system
  • Cell PCI configuring method and system

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0031] like figure 1 Shown, a kind of community PCI configuration method comprises steps:

[0032] S100: Read basic network information, and acquire neighbor measurement data according to the basic network information.

[0033] The basic network information may include cell name, cell latitude and longitude, cell azimuth, ECGI (E-UTRAN Cell Global Identifier, E-UTRAN cell global identifier) ​​and neighbor cell information. In the communication network, there are multiple physical cells. In order to distinguish these cells, each physical cell is uniquely identified—PCI. The entire LTE network is a huge network. In order to accurately locate the cells that need to be searched (serving cell), which needs to be obtained from data analysis such as cell name, cell longitude and latitude, cell azimuth, and ECGI. In the entire LTE network, there may be associations between cells, and a cell associated with a serving cell is called a neighboring cell. The correlation degree between ...

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Abstract

The invention provides a cell PCI configuring method and system. The method is characterized by analyzing a close relation degree between cells by synthesizing adjacent measurement data and switching data so as to obtain a correlation coefficient between common-frequency cells; performing multiple distribution and interference value computation on a cell PCI value according to the correlation coefficient between common-frequency cells in order to achieve an accurate interference value computed result; adjusting the cell PCI distributed value for multiple times to form various different PCI program schemes; computing full-network interference values in different schemes and selecting a updating scheme with a minimum interference value to perform convergence determination; when convergence is determined, configuring the cell PCI according to a updated cell PCI program scheme so as to achieve reasonable configuration of the cell PCI values.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and system for configuring PCI of a cell. Background technique [0002] PCI is the physical cell identifier of the LTE (Long Term Evolution, Long Term Evolution) network. It is used to distinguish the wireless signals of different cells. The value range is 0-503. Secondary synchronization signal), the value range of PSS is 0-2, and the value range of SSS is 0-167. [0003] PCI planning should follow the following constraints: 1. The PCI modulus 3 of different cells under the same base station is different, that is, mod(PCI1, 3)≠mod(PCI2, 3); 2. The residual value of PCI modulo 6 in adjacent cells is different, that is, mod(PCI1, 6)≠mod(PCI2, 6); 3. The PCIs between all adjacent cells are not equal, that is, PCI(1)≠PCI(2); 4. The residual value of PCI modulo 30 in adjacent cells is different, that is, mod(PCI1, 30)≠mod(PCI2, 30). [0004] It can be seen that in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18
CPCH04W16/18
Inventor 莫景画陈震卢佑楠王志
Owner GUANGDONG HAIGE ICREATE TECHNOLOGY CO LTD
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