Variance-based digital logic for energy harvesting Internet-of-Things

Sri Harsha Kondapalli; Xuan Zhang; Shantanu Chakrabartty

doi:10.1109/ISCAS.2017.8050359

Variance-based digital logic for energy harvesting Internet-of-Things

Sri Harsha Kondapalli, Xuan Zhang, Shantanu Chakrabartty

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Scopus citations

Abstract

In this paper we propose a novel approach for designing digital circuits that uses the variance of a signal to represent Boolean logic levels. The variance-based logic (VBL) representation enables embedding of rectification and multiplication modules within the basic logic cells and unlike AC-coupled or energy-recovery logic circuits the proposed approach obviates the need for any phase synchronization. As a result, VBL representation can be used for designing low-latency digital circuits that are directly powered by a combination of energy transducers with different frequency and source impedance characteristics. We present some representative examples of VBL circuits that can be implemented in a standard CMOS process and we present measurement results from fabricated prototype.

Original language	English
Title of host publication	IEEE International Symposium on Circuits and Systems
Subtitle of host publication	From Dreams to Innovation, ISCAS 2017 - Conference Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781467368520
DOIs	https://doi.org/10.1109/ISCAS.2017.8050359
State	Published - Sep 25 2017
Event	50th IEEE International Symposium on Circuits and Systems, ISCAS 2017 - Baltimore, United States Duration: May 28 2017 → May 31 2017

Publication series

Name	Proceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)	0271-4310

Conference

Conference	50th IEEE International Symposium on Circuits and Systems, ISCAS 2017
Country/Territory	United States
City	Baltimore
Period	05/28/17 → 05/31/17

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10.1109/ISCAS.2017.8050359

Cite this

Kondapalli, S. H., Zhang, X., & Chakrabartty, S. (2017). Variance-based digital logic for energy harvesting Internet-of-Things. In IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings Article 8050359 (Proceedings - IEEE International Symposium on Circuits and Systems). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISCAS.2017.8050359

Kondapalli, Sri Harsha ; Zhang, Xuan ; Chakrabartty, Shantanu. / Variance-based digital logic for energy harvesting Internet-of-Things. IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. (Proceedings - IEEE International Symposium on Circuits and Systems).

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title = "Variance-based digital logic for energy harvesting Internet-of-Things",

abstract = "In this paper we propose a novel approach for designing digital circuits that uses the variance of a signal to represent Boolean logic levels. The variance-based logic (VBL) representation enables embedding of rectification and multiplication modules within the basic logic cells and unlike AC-coupled or energy-recovery logic circuits the proposed approach obviates the need for any phase synchronization. As a result, VBL representation can be used for designing low-latency digital circuits that are directly powered by a combination of energy transducers with different frequency and source impedance characteristics. We present some representative examples of VBL circuits that can be implemented in a standard CMOS process and we present measurement results from fabricated prototype.",

author = "Kondapalli, {Sri Harsha} and Xuan Zhang and Shantanu Chakrabartty",

note = "Funding Information: V. ACKNOWLEDGEMENT This work was supported by an award from the National Science Foundation (CNS: 1646380). Publisher Copyright: {\textcopyright} 2017 IEEE.; 50th IEEE International Symposium on Circuits and Systems, ISCAS 2017 ; Conference date: 28-05-2017 Through 31-05-2017",

year = "2017",

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day = "25",

doi = "10.1109/ISCAS.2017.8050359",

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Kondapalli, SH, Zhang, X & Chakrabartty, S 2017, Variance-based digital logic for energy harvesting Internet-of-Things. in IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings., 8050359, Proceedings - IEEE International Symposium on Circuits and Systems, Institute of Electrical and Electronics Engineers Inc., 50th IEEE International Symposium on Circuits and Systems, ISCAS 2017, Baltimore, United States, 05/28/17. https://doi.org/10.1109/ISCAS.2017.8050359

Variance-based digital logic for energy harvesting Internet-of-Things. / Kondapalli, Sri Harsha; Zhang, Xuan; Chakrabartty, Shantanu.
IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. 8050359 (Proceedings - IEEE International Symposium on Circuits and Systems).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Chakrabartty, Shantanu

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Y1 - 2017/9/25

N2 - In this paper we propose a novel approach for designing digital circuits that uses the variance of a signal to represent Boolean logic levels. The variance-based logic (VBL) representation enables embedding of rectification and multiplication modules within the basic logic cells and unlike AC-coupled or energy-recovery logic circuits the proposed approach obviates the need for any phase synchronization. As a result, VBL representation can be used for designing low-latency digital circuits that are directly powered by a combination of energy transducers with different frequency and source impedance characteristics. We present some representative examples of VBL circuits that can be implemented in a standard CMOS process and we present measurement results from fabricated prototype.

AB - In this paper we propose a novel approach for designing digital circuits that uses the variance of a signal to represent Boolean logic levels. The variance-based logic (VBL) representation enables embedding of rectification and multiplication modules within the basic logic cells and unlike AC-coupled or energy-recovery logic circuits the proposed approach obviates the need for any phase synchronization. As a result, VBL representation can be used for designing low-latency digital circuits that are directly powered by a combination of energy transducers with different frequency and source impedance characteristics. We present some representative examples of VBL circuits that can be implemented in a standard CMOS process and we present measurement results from fabricated prototype.

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M3 - Conference contribution

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T3 - Proceedings - IEEE International Symposium on Circuits and Systems

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PB - Institute of Electrical and Electronics Engineers Inc.

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Kondapalli SH, Zhang X, Chakrabartty S. Variance-based digital logic for energy harvesting Internet-of-Things. In IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc. 2017. 8050359. (Proceedings - IEEE International Symposium on Circuits and Systems). doi: 10.1109/ISCAS.2017.8050359

Variance-based digital logic for energy harvesting Internet-of-Things

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