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A comprehensive cost method and system for indoor coverage engineering

An indoor coverage and cost technology, applied in the field of mobile communications, can solve the problems of difficult coverage area testing, large statistical area, affecting measurement results, etc., to avoid inaccurate measurement results, accurate results, and easy investment management and control.

Active Publication Date: 2022-02-25
ANHUI TELECOMM PLANNING & DESIGNING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This calculation method is mainly based on the total construction investment of each scene and the actual coverage area of ​​the wireless signal (the actual coverage area of ​​the wireless signal is less than or equal to the building area). It is difficult to effectively obtain the actual coverage area of ​​wireless signals, resulting in a large gap between the cost calculation results and the actual construction investment and investment
For example, when making statistics on the historical samples of the target area, it is difficult to test the actual coverage area in each construction area, and there are a lot of human factors (underreporting or raising the average construction cost) in the process of reporting data, resulting in deviations in the final measurement results
The scene to be built has no signal coverage yet, so it is difficult to estimate the actual coverage area of ​​the wireless signal. Reporting the actual area of ​​the building will cause the statistical area to be too large and affect the calculation results
Second, this method is only for the cost test of the indoor distribution system, without considering its supporting transmission equipment and access optical cables for calculation, resulting in inaccurate calculation results of the total cost of the one-way project

Method used

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  • A comprehensive cost method and system for indoor coverage engineering
  • A comprehensive cost method and system for indoor coverage engineering
  • A comprehensive cost method and system for indoor coverage engineering

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0112] Use the old 2G passive room distribution system and build a new 4G system:

[0113] Case description: A certain city needs to build a new 4G room distribution system in a campus to make use of the old 2G room distribution system. The campus construction area is 10,000 square meters. The local base station optical cable access strategy is 12 cores for each optical cable, 4 cores are reserved for the first newly added optical cable, and 2 cores are reserved for each additional optical cable, and the number of optical fibers connected to a single 4G source is 2 cores. The distance of the terminal access optical cable is 1 km, and the price of a single 12-core optical cable is 12,000 yuan / km; each transmission device is connected with 18 4G RRUs. According to the calculation method in this paper, the demonstration is as follows:

[0114] (1) Sample analysis: Collect the room division design drawings, budget documents, as-built drawings and final account documents of all ind...

Embodiment 2

[0124] Independently build a new 4G passive room distribution system:

[0125] Case description: A city needs to independently build a new 4G passive room distribution system in a large venue. The construction area of ​​the large venue is 50,000 square meters. The local optical cable access strategy is 24 cores per optical cable, 8 cores are reserved for the first newly added optical cable, and 4 cores are reserved for each additional optical cable, and the number of optical fibers connected to a single 4G source is 2 cores. The access cable distance is 1 km, and the price of a single 24-core optical cable is 24,000 yuan / km; each transmission device is connected with 12 4G RRUs. According to the calculation method in this paper, the demonstration is as follows:

[0126] (1) Sample analysis: Collect the room division design drawings, budget documents, as-built drawings and final account documents of all individual projects that have been completed and passed acceptance in the...

Embodiment 3

[0138] New 4G+2G dual-set passive room distribution system:

[0139] Case description: A city needs to build a new 4G+2G dual passive room distribution system in a commercial building. The construction area of ​​this commercial building is 70,000 square meters. The local optical cable access strategy is 12 cores for each optical cable, 4 cores are reserved for the first newly added optical cable, and 2 cores are reserved for each additional optical cable. The number of optical fibers connected to a single 4G source and 2G source 1 core, the average terminal access cable distance is 1 km, and the price of a single 12-core optical cable is 12,000 yuan / km; each 4G transmission device is connected with 18 4G RRUs; each 2G transmission device is connected with 4 2G RRUs. According to the calculation method in this paper, the demonstration is as follows:

[0140] (1) Sample analysis: Collect the room division design drawings, budget documents, as-built drawings and final account d...

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Abstract

The invention discloses a comprehensive cost method and system for an indoor coverage project, which belongs to the technical field of mobile communication, including obtaining the construction sample data of a historical indoor sub-system in a region, obtaining the building area covered by a single source; using a single source to cover the building area and Based on the actual building area of ​​the construction project, calculate the number of signal sources required for the project to be constructed; based on the base station optical cable access strategy of the project to be constructed, determine the number of signal sources connected by a single optical cable; according to the number of signal sources required for the project to be constructed and the number of signal sources connected by a single optical cable to determine the number of source groups; use the pre-set cost calculation model to process the number of signal sources and the number of source groups required for the project to be constructed, and calculate the comprehensive total of the sub-systems of the project to be constructed. cost. The present invention sets different calculation models and adds the cost of the access optical cable and the cost of the transmission equipment to the comprehensive total cost, so as to better match the actual project composition.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a comprehensive cost method and system for indoor coverage engineering. Background technique [0002] As the current urban buildings are getting taller and the construction area is getting bigger and bigger, due to the limited penetration of wireless signals, the construction of outdoor macro base stations and micro base stations alone cannot meet the indoor area communication requirements, so indoor distribution systems have emerged as the times require. The indoor distribution system is a successful solution aimed at indoor user groups and used to improve the mobile communication environment in buildings. It uses the indoor antenna distribution system to evenly distribute the signals of mobile base stations in every corner of the room, so as to ensure that the indoor area has ideal coverage. signal coverage. According to different transmission media, indoor distri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/20H04W16/22G06Q10/10G06Q50/08
CPCH04W16/20H04W16/225G06Q10/103G06Q50/08
Inventor 刘冰
Owner ANHUI TELECOMM PLANNING & DESIGNING
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