Bridging dream and reality: programmable baseband processors for software-defined radio

  • Authors:
  • Dake Liu;Anders Nilsson;Eric Tell;Di Wu;Johan Eilert

  • Affiliations:
  • Coresonic AB and Linköping University;Coresonic AB;Coresonic AB;Linköping University;Linköping University

  • Venue:
  • IEEE Communications Magazine
  • Year:
  • 2009

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Abstract

A programmable radio baseband signal processor is one of the essential enablers of software-defined radio. As wireless standards evolve, the processing power needed for baseband processing increases dramatically and the underlying hardware needs to cope with various standards or even simultaneously maintaining several radio links. Meanwhile, the maximum power consumption allowed by mobile terminals is still strictly limited. These challenges require both system and architecture level innovations. This article introduces a design methodology for radio base-band processors discussing the challenges and solutions of radio baseband signal processing. The LeoCore architecture is presented here as an example of a baseband processor design aimed at reducing power and silicon cost while maintaining sufficient flexibility.