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TDMA based digital systems like GSM for cellular and DECT for cordless application have created since 1992 an increasing market within Europe and gained widespread acceptance also outside Europe. In the meantime the cellular based GSM network is coming already in some megalopolis to its limit. The WCDMA based UMTS systems will in future encrease reasonable the available bandwith and throughput and enable further increased data service up to 2.048 MBit. This talk gives an overview of these systems. The system requirements and their influences on highly integrated RF ICs for GSM, DECT and UMTS are discussed. The various trends of progresses in integration will be shown, with the different advantages and the disadvantages of the concepts in use. The challenges of increasing the level of integration and an "outlook to future will be presented.
Date of Conference: 21-23 Sept. 1999