Abstract
This paper presents the design of an ultra-low energy, rakeness-based compressed sensing (CS) system that utilizes time-mode (TM) signal processing (TMSP). To realize TM CS operation, the presented implementation makes use of monostable multivibrator based analog-to-time converters, fixed-width pulse generators, basic digital gates and an asynchronous time-to-digital converter. The TM CS system was designed in a standard 0.18 µm IC process and operates from a supply voltage of 0.6V. The system is designed to accommodate data from 128 individual sensors and outputs 9-bit digital words with an average reconstruction SNR of 35.31 dB, a compression ratio of 3.2, with an energy dissipation per channel per measurement vector of 0.621 pJ at a rate of 2.23 k measurement vectors per second.
Original language | English |
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Title of host publication | 2019 IEEE International Symposium on Circuits and Systems (ISCAS) |
Place of Publication | Piscataway, NJ |
Publisher | IEEE |
Pages | 1-4 |
Number of pages | 4 |
ISBN (Electronic) | 978-1-7281-0397-6 |
ISBN (Print) | 978-1-7281-0398-3 |
DOIs | |
Publication status | Published - 2019 |
Event | 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Sapporo, Japan Duration: 26 May 2019 → 29 May 2019 |
Conference
Conference | 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 |
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Country/Territory | Japan |
City | Sapporo |
Period | 26/05/19 → 29/05/19 |
Bibliographical note
Accepted author manuscriptKeywords
- Compressed sensing
- Energy efficiency
- Rakeness
- Time-mode
- Time-mode signal processing
- Ultra-low energy