Sweep frequency and propagation model coverage prediction-based frequency optimization method

A technology covering prediction and propagation models, applied in electrical components, wireless communication, network planning, etc., can solve the problems of insignificant frequency optimization effect, low frequency optimization scheme search efficiency, difficulty in obtaining measurement report data, etc., to achieve high-efficiency performance. Effect

Inactive Publication Date: 2011-03-30
SHANGHAI BYNEAR TELESOFT
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Problems solved by technology

[0007] The purpose of the present invention is to overcome the problems of TD-SCDMA mobile phone measurement report data acquisition difficulties, the effect of frequency optimization on the road is not obvious, and the search efficiency of frequency optimization scheme is low, etc., and proposes a frequency based on frequency sweep and propagation model coverage prediction Optimization

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  • Sweep frequency and propagation model coverage prediction-based frequency optimization method
  • Sweep frequency and propagation model coverage prediction-based frequency optimization method
  • Sweep frequency and propagation model coverage prediction-based frequency optimization method

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[0045] Below in conjunction with accompanying drawing, the present invention will be further described, and this processing method is clear to those skilled in the art.

[0046] see figure 1 , the technical steps of the present invention are as follows:

[0047] 1. Obtain frequency sweep and coverage prediction data

[0048] Test the main road with a frequency scanner to obtain frequency sweep data.

[0049] Test the main roads through the road test mobile phone to obtain the road test data, and then use the road test data to correct the propagation model, and then perform coverage prediction based on the corrected propagation model. Through prediction calculations, each grid point can be obtained to the relevant community The path loss matrix. Drive test correction propagation model and coverage prediction based on propagation model are the basic functions of network planning software, which can be completed by using network planning software such as NeST TD-SCDMA software...

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Abstract

The invention belongs to the technical field of mobile communication technology, in particular to a sweep frequency and propagation model coverage prediction-based frequency optimization method, which is characterized by comprising the following steps of: testing main roads through a sweep generator to acquire sweep frequency data; establishing an interference model based on the sweep frequency and the coverage prediction and fusing a sweep frequency data rasterized road damage matrix and a coverage prediction road damage matrix; establishing a dynamic evaluation function based on the interference model; and searching a frequency optimization scheme according to the dynamic evaluation function and continuously repeating the searching to obtain an optimized frequency optimization scheme. In the sweep frequency and propagation model coverage prediction-based frequency optimization method, the sweep frequency which is measured data consistent with user perception is fully utilized; meanwhile, the propagation model coverage prediction is integrated; and the interference model is established by fusing the sweep frequency and the propagation model coverage prediction, and the dynamic evaluation function is established based on the accurate model so as to effectively search the frequency optimization scheme which meets the requirement.

Description

[technical field] [0001] The invention relates to the technical field of mobile communication technology, in particular to a frequency optimization method based on frequency sweep and propagation model coverage prediction. [Background technique] [0002] The TD-SCDMA network adopts technologies such as smart antenna beamforming to avoid interference as much as possible, but due to factors such as time delay extension and signal delay, there are still relatively serious same-frequency and adjacent-frequency interferences in the network. Due to the existence of same-frequency and adjacent-channel interference in the TD-SCDMA network and the limitation of frequency resources, at present, the mixed networking of the same frequency and different frequencies is mainly used: that is, the main carrier is different in frequency, and the auxiliary carrier is as different in frequency as possible. In this case, the same frequency is used. For TD-SCDMA network, frequency optimization i...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/10H04W16/18H04W24/02H04W24/08
Inventor 刘川
Owner SHANGHAI BYNEAR TELESOFT
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