Design and implementation of a fully integrated compressed-sensing signal acquisition system
Compressed sensing (CS) is a topic of tremendous interest because it provides theoretical guarantees and computationally tractable algorithms to fully recover signals sampled at a rate close to its information content. This paper presents the design of the first physically realized fully-integrated...
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| creator | Yoo, Juhwan Becker, Stephen Monge, Manuel Loh, Matthew Candes, Emmanuel Emami-Neyestanak, Azita |
| description | Compressed sensing (CS) is a topic of tremendous interest because it provides theoretical guarantees and computationally tractable algorithms to fully recover signals sampled at a rate close to its information content. This paper presents the design of the first physically realized fully-integrated CS based Analog-to-Information (A2I) pre-processor known as the Random-Modulation Pre-Integrator (RMPI) [1]. The RMPI achieves 2GHz bandwidth while digitizing samples at a rate 12.5× lower than the Nyquist rate. The success of this implementation is due to a coherent theory/algorithm/hardware co-design approach. This paper addresses key aspects of the design, presents simulation and hardware measurements, and discusses limiting factors in performance. |
| doi_str_mv | 10.1109/ICASSP.2012.6289123 |
| format | Conference Proceeding |
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| identifier | ISSN: 1520-6149 |
| ispartof | 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2012, p.5325-5328 |
| issn | 1520-6149 2379-190X |
| language | eng |
| recordid | cdi_ieee_primary_6289123 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Analog-to-Information Bandwidth CMOS CMOS integrated circuits Compressed sensing Frequency estimation Hardware Harmonic analysis Noise Pre-Integration Random Modulation |
| title | Design and implementation of a fully integrated compressed-sensing signal acquisition system |
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