Research and Analysis between GSM900M and CDMA
Peng Xu · Science Technology and Engineering · 2011
In order to solve the problem of interference,which is caused by CDMA uplink to GSM system 900 MHz downlink,when China Telcom and China Unicom share their base station,the method adjusting of horizontal distance and vertical distance between the antenna or increasing anti-interference device for reducing interference is mainly discussed,and given the test results.The scheme solves the the problem of interference,which is caused by CDMA uplink to GSM system 900 MHz downlink.