Theory And Disturb Analysis Of Repeater

Since mobile communication has been well developed, the high quantity services is also expected by mobile users, so repeaters, which amplify the coverage of both analog and digital communication base stations, have been popularly used by mobile communication providers. A repeater is a device that receives a digital or analog signal on an electromagnetic or optical transmission medium and regenerates the signal along the next leg of the medium. A series of repeaters make possible the extension of signals over weak signal areas, uncovered areas and far distance. However, in reality, repeaters more or less disturb the capabilities of themselves and other equipments, due to people do not combine theory with practice properly and systematically. Base on reading concerned literature and actual working experience, the writer has issued new solutions on common disturbed conditions of repeaters after professional analysis.The main contents of this essay include: introduction of the parameters of repeaters indoor coverage system. And systematically describes the GSM and CDMA mobile communication repeater, GSM/CDMA fiber optical repeater. Details in each repeaters' features and capabilities. Moreover, it briefly states the reasons and solutions of disturb in mobile communication transmission. Finally, makes a concrete analysis of several common disturbed conditions.