基于无源互调干扰分析的地铁室内分布设备选型  

Subway Indoor Distribution Equipment Selection Based on Analysis of Passive Inter Modulation Interference

作　　者：许光斌 胡小青 

机构地区：[1]华信咨询设计研究院有限公司,浙江杭州310014

出　　处：《移动通信》2016年第20期18-21,共4页Mobile Communications

摘　　要：为了解决地铁的民用通信覆盖干扰导致的设备选型问题,采用各节点三阶无源互调干扰综合方法,分析了互调干扰产生原理以及不同设备对系统性能的影响,研究了不同型号设备对灵敏度的恶化值,并提出了设备选型方法。经过参数代入验证了器件选型的有效性和合理性,从而提升整体干扰抑制性能。In order to solve the subway civil communication coverage equipment selection problem caused by interference, using the method of three order passive intermodulation by comprehensive analysis of the principle and effect of each equipment on the performance to the system, the paper studied the deterioration of different types of equipment on the sensitivity value, put forward the equipment selection method, and veriifed the effectiveness and reasonableness of equipment selection by parameter analysis, thus enhancing the overall performance of interference suppression.

关 键 词：室内分布系统 无源互调干扰 灵敏度恶化 设备选型 

分 类 号：TN929.5[电子电信—通信与信息系统]