Open AccessDecimation by non-integer factor in software radio receivers
Author(s) -
Djordje Babić,
Markku Renfors
Publication year - 2003
Publication title -
facta universitatis. series electronics and energetics/facta universitatis. series: electronics and energetics
Language(s) - English
Resource type - Journals
eISSN - 2217-5997
pISSN - 0353-3670
DOI - 10.2298/fuee0303365b
Subject(s) - decimation , software defined radio , integrator , sampling (signal processing) , interpolation (computer graphics) , cascaded integrator–comb filter , integer (computer science) , electronic engineering , computer science , software , algorithm , filter (signal processing) , digital filter , telecommunications , engineering , bandwidth (computing) , root raised cosine filter , frame (networking) , computer vision , programming language
The sampling rate conversion is a critical functionality of the software radio receiver. Because the signals of different system standards have incommensurate symbol/sampling rates and a common Analog-to Digital Converter (ADC) is to be used for all supported standards, the decimation factor may become very difficult non-integer number. This paper gives overviews and comparisons of two efficient fractional decimator structures based on Cascaded Integrator-Comb (CIC) filters and low order polynomialbased interpolation filters.