Adaptive blind calibration of timing offsets in a two-channel time-interleaved analog-to-digital converter through Lagrange interpolation

This paper introduces an adaptive blind calibration structure for the compensation of timing offsets in a two-channel time-interleaved analog-to-digital converter through Lagrange interpolation filters. By using Lagrange interpolation filters as reconstruction filters, we can exploit slight over-sam...

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Published in:Signal, image and video processing image and video processing, 2015-07, Vol.9 (5), p.1047-1054
Main Author: Shahmansoori, Arash
Format: Article
Language:English
Subjects:
Computer Imaging
Computer Science
Image Processing and Computer Vision
Multimedia Information Systems
Original Paper
Pattern Recognition and Graphics
Signal,Image and Speech Processing
Vision
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description This paper introduces an adaptive blind calibration structure for the compensation of timing offsets in a two-channel time-interleaved analog-to-digital converter through Lagrange interpolation filters. By using Lagrange interpolation filters as reconstruction filters, we can exploit slight over-sampling to estimate timing offsets by using the least-mean-square algorithm. Utilizing the estimated timing offsets, we can compensate timing offset mismatches. We show the efficiency of the calibration structure by the simulations, where we compare the results with the other calibration methods from the literature.
doi_str_mv 10.1007/s11760-013-0536-0
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subjects Computer Imaging
Computer Science
Image Processing and Computer Vision
Multimedia Information Systems
Original Paper
Pattern Recognition and Graphics
Signal,Image and Speech Processing
Vision
title Adaptive blind calibration of timing offsets in a two-channel time-interleaved analog-to-digital converter through Lagrange interpolation
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