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在WCDMA系统中,网络干扰不仅严重影响网络容量,同时也是影响客户感知的一个重要因素。采用华为无线网络控制器(Radio Network Controller,RNC)设备自带的天馈与干扰自动检测系统对现网的天馈网络干扰进行排查,可以通过远端数据分析检测天馈和干扰问题,如驻波、互调、容量受限干扰、外部干扰等,并通过近端的频谱扫描验证,输出干扰值及频谱特征,输出问题小区列表。该方案在天馈干扰排查中,排除了对设备的需求,缩短了上站次数及排查周期,降低了成本,能够有效提高天馈问题排查效率。
In the WCDMA system, network interference not only seriously affect the network capacity, but also affect customer perception is an important factor. Huawei’s Radio Network Controller (RNC) equipment comes with an automatic antenna-fed and interference detection system to troubleshoot the in-network network interference. The remote data analysis can be used to detect the antenna and interference problems. For example, Wave, intermodulation, limited capacity interference, external interference, etc., and through the near-end spectrum scan verification, output interference values and spectral characteristics, the output of the list of cells. The solution eliminates the need for equipment in the antenna-feeder interference investigation, shortens the frequency of station-on-station and the inspection cycle, reduces the cost, and effectively improves the efficiency of troubleshooting the antenna-to-antenna problem.