Conception and performance of the cellular digital mobile radio communication system CD 900

The cellular digital radio communication system CD 900 supplies millions of mobile subscribers per network with voice and data service. It applies a digital wideband TDMA-process allowing up to 330 traffic channels within 24 MHz to be allocated to one base station. A cluster of three becomes possible by its excellent interference suppression features resulting from the utilization of multipath signals by an adaptive matched filtering process realized with a digital signal processor. CD 900 is designed as to satisfy the demand for a mobile communication mass market as well as for its adaption to modern digital transmission networks including ISDN.