Method for detecting receiving link of CDMA base station

Abstract

This invention provides a method for testing CDMA basestation receive link performance including: to allocate 2 k locked computers for multipath signal processor n of baseband signal process unit m replacing locked times of master diversity receive link of K sectors by multipath signal processor n of baseband signal process unit m, to totalize separated locked computers of the multipatch signal processor of all baseband signal process unit to get each receive link locked calculation values to computer the receive link balance to judge the basestation receive link fault.

Description

technical field [0001] The invention relates to the field of CDMA mobile communication, in particular to a method for detecting the performance of a radio frequency receiving link of a base station in the field of CDMA mobile communication. Background technique [0002] The CDMA mobile communication system consists of a mobile station and a mobile communication network. The base station realizes the functions of receiving and sending radio frequency signals in the mobile communication network. [0003] The main functions of the CDMA base station are two aspects: (1) convert the radio frequency signal into a baseband signal, and then extract the data frame sent by the mobile phone from the baseband signal; (2) convert the data frame transmitted by the communication network into a baseband signal, and then extract The baseband signal is converted into a radio frequency signal, which is sent to the mobile phone over the air. The base station is mainly composed of a radio frequ...

AI Technical Summary

Problems solved by technology

The aging failure of the analog circuit analog device, the failure of the antenna and the antenna feeder for some reason will lead to the decline of the radio frequency signal sent by the base station or the ability to receive the radio frequency signal, and this performance decline is usually in a gradual way, namely It is often not easy to find out through a small number of call tests, and due to the complexity of the wireless environment, even if an abnormality occurs during a call, it is impossible to simply attribute the problem to a certain factor, but the performance degradation of this RF signal processing subsystem may be It will lead to serious consequences of decreased call quality and decreased system wireless capacity

[0005] Although regular inspections of base station antennas, antenna feeders, and RF devices can guarantee the stability of the RF signal processing subsystem performance, the shortcomings are also obvious; This is helpless. Secondly, base stations are often scattered in every corner of the service area. No targeted inspection will be a great waste of manpower and material resources. Finally, if there is no effective detection method, even on-site inspections cannot guarantee the integrity of the base station antenna. , Antenna, RF components maintain good performance status

[0006] In the past, there was no reasonable, simple and effective evaluation method for the performance of the receiving link of the base station system. The operation status of the receiving link of the base station could not be effectively monitored, and the maintenance personnel could not accurately grasp the network operation status.

Once the abnormality of the receiving link affects the call, the maintenance personnel often do not have an effective on-site real-time performance evaluation method when troubleshooting on site, so that the troubleshooting work is in a state of getting twice the result with half the effort

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