摘要
800 MHz CDMA系统发射频段对GSM系统上行频段干扰是CDMA系统开通已来一直未解决的技术难题,随着CDMA基站密度增加,天线俯仰角加大,这种"干扰"更为明显。文章结合测试对CDMA系统"干扰"GSM系统课题进行研究,探讨一套行之有效的快速定位检测干扰源的现场测试流程和方案,借助外接带阻滤波器可以极大地限制仪器内外不利因素,从而起到消除上述潜在影响、充分发挥仪器效能的作用,减少系统间干扰。
The interference of 800 MHz CDMA system transmit frequency band to GSM system ascending frequency band has always been an unsolved difficult technical problem since the open of CDMA system. With the density increase of the CDMA base stations, the antenna pitching angle increases and this kind of ＂interference＂ is more apparent. Based on the test, this paper studies the subject of CDMA system＇s ＂interference＂ to GSM system. The paper probes into a set of effective field test process and scheme of rapid location detecting interference source. The external band-stop filter can greatly limit the instrument internal and external negative factors, thus eliminate the potential impact, give full play to the role of instrument efficiency and reduce the interference between the systems.
出处
《长沙通信职业技术学院学报》
2012年第3期10-15,共6页
Journal of Changsha Telecommunications and Technology Vocational College
