Method for improving network plan simulation precision

A network planning and precision technology, applied in transmission monitoring, electrical components, wireless communication, etc., can solve the problems of high cost of accurate electronic maps, complex models, and large calculation amount of ray tracing models, so as to save construction costs and improve simulation accuracy , the effect of reducing work stress

Inactive Publication Date: 2008-09-17
ZTE CORP
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  • Abstract
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Problems solved by technology

However, due to the high cost of accurate electronic maps, on the other hand, the ray tracing model has a huge amount of calculation, and the model is more complicated, so this idea has not been widely used in engineering applications.

Method used

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  • Method for improving network plan simulation precision
  • Method for improving network plan simulation precision
  • Method for improving network plan simulation precision

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Experimental program
Comparison scheme
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Embodiment Construction

[0066] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0067] refer to Figure 4 As shown, the position of the network hardware emulation in step 405 in the network planning process is the same as figure 2 The location of the network simulation in step 205 is the same. Network hard emulation refers to the installation of network element simulation equipment at candidate sites of the network, and the implementation of simulation tests on the entire network. Then, the test data is post-processed, and all cells in the network are corrected to make the simulation result closer to the real wireless network.

[0068] refer to Figure 5 As shown, the working process of network hardware emulation is as follows:

[0069] Step 501: Network model transfer distribution test, collect wireless coverage field strength test data of each cell.

[0070] The obtained test data include receiving field strength d...

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Abstract

The invention discloses a method for improving network layout simulation precision, which comprises: performing network transmission and distribution; processing after testing data; computing data based on path consumption, computing a wireless coverage field intensity of the network on a testing path and the Signal-to-Noise; correcting a cell wireless transmission model based on path consumption computing data, executing wireless network coverage prediction based on the cell wireless transmission model; counting the difference between an outputted network prediction result and a test computing result, and adjusting the network layout based on the difference. The invention is capable of improving the wireless network simulation precision, on-line measuring the correcting effect of the wireless transmission model, further, reducing operation pressure of network optimization, and saving network building cost for operators, the method of the invention is suitable for layout of various wireless cellular networks, and is capable of finding network design faults during the network layout process.

Description

technical field [0001] The invention relates to a wireless cellular communication network technology, in particular to a method for improving the simulation accuracy of network planning. Background technique [0002] Cellular networking is the most common networking method for wireless communication. Because the network topology resembles a honeycomb structure, it is named cellular network. The cellular network topology composed of three-sector base stations is as follows: figure 1 As shown, the circle 1 indicates the position of the three-sector base station, and the arrow 2 indicates the orientation of each sector. Each hexagonal cellular unit 3 in the cellular network represents the coverage area of ​​a base transceiver station, which is called a cell. Terminal stations (not marked in the figure) in this area can establish a wireless communication link with the base station. Multiple transceivers form a network to achieve continuous coverage of an area and provide ubiq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/34H04B17/00H04W24/06
Inventor 吴岩巍顾巨峰
Owner ZTE CORP
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