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Frequency point selection method as well as household base stations and equipment

A home base station and frequency point technology, applied in electrical components, wireless communication, network topology, etc., can solve the problem of the lowest interference of the service channel in the community, achieve the effect of optimizing the frequency selection strategy and reducing the interference of the same frequency

Active Publication Date: 2011-05-25
SHANGHAI DATANG MOBILE COMM EQUIP +1
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AI Technical Summary

Problems solved by technology

[0004] Judging the interference of different frequency points only considers the intensity of interference power, but does not consider the influence of other factors. Therefore, this also leads to the fact that the existing frequency point configuration cannot make the cell in the state of the lowest traffic channel interference

Method used

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  • Frequency point selection method as well as household base stations and equipment
  • Frequency point selection method as well as household base stations and equipment
  • Frequency point selection method as well as household base stations and equipment

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Embodiment Construction

[0025] The inventor noticed during the invention that:

[0026] Taking the Femto base station in the home base station as an example, on the one hand, the existing solutions only consider the intensity of interference power in judging the interference of different frequency points, and do not have the load of different frequency points, that is, there is interference on different frequency points The probability is high or low.

[0027] figure 1 Schematic diagram of the selection environment for the frequency point of the Femto cell, such as figure 1 In the scenario shown, it is assumed that on the same floor, Cell1-Cell3 select frequency points 1-3 respectively.

[0028] According to the existing method, when Cell 4 is turned on and initially configured, the interference of different frequency points in Cell4 will be judged according to the reference signals of frequency points 1-3. Because it is far away from Cell1, according to the judgment of the absolute power of the i...

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Abstract

The invention discloses a frequency point selection method as well as household base stations and equipment. The frequency point selection method comprises the following steps: determining the interference strength of a target base station on each frequency point, and traffic loads of other base stations except the target base station on each frequency point; and determining the operating frequency point of the target base station in accordance with the interference strength of the target base station on each frequency point and the traffic loads of the other base stations except the target base station on each frequency point. The frequency point option method can be used to optimize frequency selection policies of cells in the household base stations, thereby reducing same frequency interference among the cells in the household base stations.

Description

technical field [0001] The invention relates to wireless communication technology, in particular to a frequency point selection method, home base station and equipment. Background technique [0002] In the existing scheme, during the initial establishment process of the home base station cell taking Femto (femtocell base station) as an example, it measures the P-CCPCH (Primary Common Control Physical Channel, Basic public control physical channel) channel receiving power, and think that the frequency point with lower receiving power has lower interference, so the frequency point with the lowest interference will be selected as the frequency point for the initial establishment of this Femto cell. [0003] The deficiencies of prior art are: [0004] Judging the interference of different frequency points only considers the intensity of interference power, but does not consider the influence of other factors. Therefore, this also leads to the fact that the existing frequency po...

Claims

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Application Information

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IPC IPC(8): H04W72/08
CPCH04W84/045H04W72/082H04W72/541
Inventor 吴央朱向前
Owner SHANGHAI DATANG MOBILE COMM EQUIP
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