GIS-based method for planning frequencies of wireless communication network

Abstract

The invention provides a GIS-based method for planning frequencies of a wireless communication network. The system comprises the following steps: step 1, obtaining a preliminary model prediction result by taking geographical data, station data and available frequencies provided by a GIS module; step 2, obtaining a frequency panning result by performing frequency planning according to the preliminary model prediction result; step 3, outputting a coverage analysis image by performing electromagnetic coverage analysis according to the preliminary model prediction result; and step 4, outputting alink analysis image by performing link connectivity analysis according to the preliminary model prediction result. According to the invention, based on a GIS, geographic information is introduced intoa planning process, the communication effects of sites at different frequencies in an actual geographical environment are predicted by applying an ITU-R P.1546 propagation model, and finally the frequencies meeting communication requirements are selected as planning results.

Description

technical field [0001] The invention relates to radio wave propagation prediction technology, in particular to a method for realizing frequency planning of a wireless communication network based on a GIS system, in particular to ultrashort wave propagation prediction technology. Background technique [0002] The working frequency band of the ultrashort wave radio station is 30-87.975MHz. The electromagnetic wave diffraction ability in this frequency band is weak, and it is greatly affected by the topography, which is a typical line-of-sight transmission. [0003] However, in the traditional frequency planning scheme, the planning process still mainly relies on manual allocation, and does not consider the influence of topography. The software only provides the user with a man-machine interface, and the user manually plans the frequency information of the communication network according to his own experience. During the planning process, users need to do a lot of manual opera...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the defects in the prior art, the technical problem that the present invention can solve through the basic embodiment and the preferred example is to overcome the problems of many manual operations, low efficiency, low reliability and unintuitive planning results of the existing frequency planning software, and propose a The Method of Realizing the Frequency Planning of Wireless Communication Network Based on GIS System

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