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Method for optimizing urban stereo multilayer network cover

A three-dimensional multi-layer, network coverage technology, applied in the direction of network planning, electrical components, wireless communication, etc., can solve the problems of high-level station traffic, can not compensate for low-level station coverage blind spots, traffic congestion and other problems, to improve the coverage. , The effect of reducing inter-station interference and relieving traffic pressure

Inactive Publication Date: 2009-05-20
CHINA MOBILE GRP FUJIAN CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an urban three-dimensional multi-layer network coverage optimization method, which overcomes the shortcomings of the background art urban three-dimensional multi-layer network coverage method that high-level stations cannot compensate for low-level station coverage blind spots, high-level stations have a lot of traffic, and are likely to cause traffic congestion. .

Method used

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Examples

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Embodiment Construction

[0017] The following describes this embodiment in conjunction with specific examples. Now there is a very high-rise station A on the roof of the building, and its configuration in a certain direction is only 2TRX; 4 / 4 / 4. The purpose of the present invention is to make this high-level station A not only play the role of compensating low-level stations B, C, D, E coverage blind area (assuming that it is considered as a blind area below 100DB, it is estimated that in the blind area, the level of A is at 80DB), and make the four lower stations B, C, D, E absorb the traffic as much as possible, so that the high-level station A will not cause traffic congestion.

[0018] The urban three-dimensional multi-layer network coverage optimization method includes:

[0019] When a call is made, the C2 values ​​of the high-level station A and the low-level station B (C, D, E) are different, and the cell reselection bias REO parameter and the penalty time PET parameter are set to make the high...

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PUM

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Abstract

The invention discloses a method for optimizing city three-dimensional multi-layer network coverage which utilizes a high layer station and at least one low station. The method comprises the following steps: 1, when call is started, parameters are set to make the high layer station repulse certain pre-set value and enlarge signal usage range of the high layer station so that the high layer station plays a role of compensating the low layer stations; and 2, during dialogue, delamination parameters are set for performing uni-directional adjacent area adjustment between the high layer station and the low layer stations so that the high layer station can cut into the low stations while the low stations are forbidden to cut to the high station, thus the low stations can absorb telephone traffic to the utmost extent. The method has the advantages that the method can compensate blind coverage area of the low stations, improve coverage of the high station, reduce interference between stations, allow low stations and indoor stations to effectively absorb more telephone traffic and relieve telephone traffic pressure of mid-and-high layer stations, so as to achieve the aim of really realizing 'high layer control, mid layer maintenance and low layer enlargement' in city three-dimensional multi-layer network system.

Description

[0001] Field [0002] The invention relates to the field of communication technology, in particular to a method for optimizing urban three-dimensional multi-layer network coverage. Background technique [0003] With the development of the network, there are more and more base stations in urban areas. In the urban three-dimensional multi-layer network system, there are high-level stations and low-level stations. The combination of high-level stations and low-level stations can increase the coverage area and reduce blind spots. , but in practical applications there will be the following two shortcomings: first, high-level stations cannot compensate for low-level station coverage blind spots, resulting in the phenomenon that mobile phones cannot be dialed out or received, or calls are disconnected; Second, high-level stations have a lot of traffic, which is likely to cause traffic congestion. Contents of the invention [0004] The present invention provides an urban three-dime...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18H04W24/02
Inventor 沈文海钟文兴郑朔毅朱道通李秉煌张韬杨志松
Owner CHINA MOBILE GRP FUJIAN CO LTD
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