Detection method for TD-SCDMA multichannel radio frequency remote unit antenna system

Abstract

The present invention provides a method for testing TD-SCDMA multi-channel radio remote unit antenna system. Each gateway of original radio remote signal receiving-transmitting channel system is respectively provided with a power detecting and processing unit and a detecting channel of frontward and backward power testing circuit connected with the power detecting and processing unit. The method according to the invention comprises the following steps: 1) transmitting a signal by a main control unit to each receiving-transmitting channel according to a certain power, detecting the transmitting and reflecting signal powers of each radio remote unit antenna opening by the frontward and backward power detecting circuit of each gateway, calculating the difference between the frontward detected power and the backward detected power and comparing the difference with a preset threshold, and detecting whether the antenna of each channel is failed; 2) transmitting a certain power signal by an adjusting channel for being received by other gateway, comparing the receiving level with the preset threshold for detecting whether the connected antenna is an intelligent antenna and whether the connected antenna is in fault; and 3) transmitting a certain power signal by a transmitting channel wherein for being received by the other channels, and comparing the receiving level of each channel with the preset threshold for determining whether the antenna connected with the transmitting channel is an intelligent antenna and / or whether the antenna is in fault.

Description

technical field [0001] The invention relates to an antenna detection method for a TD-SCDMA multi-channel remote radio unit, in particular to a method for detecting the type of antenna connected to the TD-SCDMA multi-channel remote radio unit and whether it is faulty. Background technique [0002] With the development of TD-SCDMA network construction, the number of users will gradually increase, and operators will have higher and higher requirements for capacity and coverage. However, in actual work, it is not easy to choose the site of the base station. Sometimes it is impossible to arrange the equipment room or the location of the equipment room is not ideal, which has become one of the difficulties in network construction. In addition, because base station costs account for a large proportion of TD-SCDMA network investment, and the distribution of traffic in some regions and time periods is unbalanced, the number of base stations will also increase, resulting in waste of r...

AI Technical Summary

Problems solved by technology

However, in actual work, due to the long distance between the base station and the RF front-end, it is difficult to accurately know whether the antenna connected to the remote RF unit is a smart antenna or a distributed antenna. It is easy to make mistakes when configuring antennas and establishing cells, which will affect the entire network. performance

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