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Automatic adjacent section planning method

An automatic neighbor planning technology, applied in network planning, communication between multiple stations, electrical components, etc., can solve problems such as network failure

Inactive Publication Date: 2010-09-08
ZTE CORP
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Problems solved by technology

[0007] In the inventions of "A Method for Automatically Maintaining a Neighboring Cell List in a CDMA System" (Patent No. 02110634.7) and "A Method for Automatically Optimizing a CDMA Neighboring Cell List" (Patent No. 03131825.8), both proposed a The threshold value is used to optimize the neighbor list, but these two methods can only be implemented after the network is opened for a period of time, and it is not feasible for the newly planned network

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Embodiment Construction

[0048] The technical solution of the present invention will be further elaborated below in conjunction with the accompanying drawings.

[0049] Referring to Figure 1, it is a basic flowchart of automatic neighborhood planning, including the following basic steps:

[0050] 11. Input the planning parameters, including the power parameters, antenna feeder parameters and propagation models of each cell, and calculate the path loss of each cell according to the propagation model; the power parameters include at least the transmit power of the three overhead channels of pilot, synchronization, and paging.

[0051] 12. Set the threshold value of adjacent area planning. Neighboring cell planning thresholds include at least three: the pilot signal-to-noise ratio EcIo threshold, the upper limit of the number of adjacent cells, and the upper limit of the number of adjacent cells of critical cells. The critical cell itself has multiple carrier frequencies, and the adjacent base station i...

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Abstract

A method for automatic adjacent planning. The invention comprises the following steps: 1.1. the planning parameter is input, to calculate the path loss of each cell; 1.2. the threshold value of the adjacent planning is set; 1.3. the adjacent planning of each cell is automatically accomplished according to the threshold value and the path loss; 1.4. the adjacent planning result is output. The invention integrates the characteristic of the actual system switching, fully considers the influence of topography and geographical objects to the propagation signal, and forms the credible adjacent planning result.

Description

technical field [0001] The invention belongs to the field of mobile communication, and in particular relates to a method for automatic neighboring cell planning of a CDMA / WCDMA (code division multiple access) wireless network. Background technique [0002] Neighboring cell planning is an indispensable and important link in CDMA / WCDMA network planning, and the rationality of setting the neighboring cell list will affect the handover between base stations. [0003] Currently, the more commonly used method of neighborhood planning is that the planning engineer checks the network topology of the planning site, and determines the neighborhood according to the distance between cells, antenna orientation, and his own planning experience. This manual method is likely to result in incorrect neighborhood planning results due to misjudgment of the coverage area, and the manual method relies too much on the personal experience of the planning engineer, and it is likely that different pe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/00H04B7/26H04W16/18
Inventor 薛傲苏兴明李晟欧阳俊吴峰
Owner ZTE CORP
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