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Software-Defined Radio (SDR) is a rapidly evolving Technology. SDR have been widely studied as a solution to support multiple competing and in compatible air interface standard in future wireless communications. In this paper, we present the implementation of optimized Digital Down Converter (DDC) module for triple-mode WCDMA, CDMA2000 and GSM. The designed module consists of digital mixer, CIC filter, and decimation filter and frequency converter. Theses sub-modules are software reconfigured in architecture to be compatible with WCDMA, CDMA2000 and GSM. The design is software configured with minimum hardware and maximum operating speed.
Microelectronics (ICM), 2010 International Conference on
Date of Conference: 19-22 Dec. 2010