The use of CORDIC in software defined radios: a tutorial

Authors:
J. Valls;T. Sansaloni;A. Perez-Pascual;V. Torres;V. Almenar
Affiliations:
Univ. Politecnica de Valencia;-;-;-;-
Venue:
IEEE Communications Magazine
Year:
2006

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Abstract

CORDIC is a versatile algorithm widely used for VLSI implementation of digital signal processing applications. This article presents a tutorial of how to use CORDIC to implement different communication subsystems that can be found in a software defined radio. Specifically, it shows how to use CORDIC to implement direct digital synthesizers, AM, PM, and FM analog modulators and ASK, PSK and FSK modulators, up-/down-converters of in-phase and quadrature signals, full mixers for complex signals, and phase detection for synchronizers. The article also shows some tricks to efficiently implement the algorithm