| Paper: | SPTM-P2.9 | ||
| Session: | Sampling, Extrapolation, and Interpolation | ||
| Time: | Tuesday, May 18, 15:30 - 17:30 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing Theory and Methods: Sampling, Extrapolation, and Interpolation | ||
| Title: | SIGNAL RECOVERY IN TIME-INTERLEAVED ANALOG-TO-DIGITAL CONVERTERS | ||
| Authors: | Vijay Divi; Massachusetts Institute of Technology | ||
| Gregory Wornell; Massachusetts Institute of Technology | |||
| Abstract: | The main problems that arise in time-interleaving analog-to-digital converters (ADCs) are errors caused by gains in the ADCs and non-uniform sampling times. In this paper, we present an iterative algorithm for blind calibration of time-interleaved ADCs. The algorithm uses the ADC outputs to iterate between estimating the input signal and estimating the unknown gain and time-offsets. The algorithm is shown to perform well for gaussian, bandlimited inputs; tradeoffs exist between amount of oversampling, data block length, and quality of reconstruction. | ||
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