A low-power correlator for wakeup receivers with algorithm pruning through early termination

Reza Ghanaatian; Paul N. Whatmough; Jeremy Constantin; Adam Teman; Andreas Burg

doi:10.1109/ISCAS.2016.7539142

A low-power correlator for wakeup receivers with algorithm pruning through early termination

Reza Ghanaatian, Paul N. Whatmough, Jeremy Constantin, Adam Teman, Andreas Burg

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

1 Scopus citations

Abstract

A low-complexity, low-power digital correlator for wakeup receivers is presented. With the proposed algorithm, unnecessary computational cycles are dynamically pruned from the correlation using an early threshold check. For the algorithm, we provide a rigorous mathematical analysis for the associated complexity/performance trade-offs. Furthermore, a low overhead hardware architecture with early-termination capability is developed and implemented in a 0.18μm CMOS technology. The post layout power analysis shows that the presented architecture can reduce power by up to 32% when compared to the conventional architecture with negligible degradation in detection probability and without degradation in false-alarm probability.

Original language	English
Title of host publication	ISCAS 2016 - IEEE International Symposium on Circuits and Systems
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	2667-2670
Number of pages	4
ISBN (Electronic)	9781479953400
DOIs	https://doi.org/10.1109/ISCAS.2016.7539142
State	Published - 29 Jul 2016
Externally published	Yes
Event	2016 IEEE International Symposium on Circuits and Systems, ISCAS 2016 - Montreal, Canada Duration: 22 May 2016 → 25 May 2016

Publication series

Name	Proceedings - IEEE International Symposium on Circuits and Systems
Volume	2016-July
ISSN (Print)	0271-4310

Conference

Conference	2016 IEEE International Symposium on Circuits and Systems, ISCAS 2016
Country/Territory	Canada
City	Montreal
Period	22/05/16 → 25/05/16

Bibliographical note

Publisher Copyright:
© 2016 IEEE.

Access to Document

10.1109/ISCAS.2016.7539142

Cite this

Ghanaatian, R., Whatmough, P. N., Constantin, J., Teman, A., & Burg, A. (2016). A low-power correlator for wakeup receivers with algorithm pruning through early termination. In ISCAS 2016 - IEEE International Symposium on Circuits and Systems (pp. 2667-2670). [7539142] (Proceedings - IEEE International Symposium on Circuits and Systems; Vol. 2016-July). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISCAS.2016.7539142

Ghanaatian, Reza ; Whatmough, Paul N. ; Constantin, Jeremy et al. / A low-power correlator for wakeup receivers with algorithm pruning through early termination. ISCAS 2016 - IEEE International Symposium on Circuits and Systems. Institute of Electrical and Electronics Engineers Inc., 2016. pp. 2667-2670 (Proceedings - IEEE International Symposium on Circuits and Systems).

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abstract = "A low-complexity, low-power digital correlator for wakeup receivers is presented. With the proposed algorithm, unnecessary computational cycles are dynamically pruned from the correlation using an early threshold check. For the algorithm, we provide a rigorous mathematical analysis for the associated complexity/performance trade-offs. Furthermore, a low overhead hardware architecture with early-termination capability is developed and implemented in a 0.18μm CMOS technology. The post layout power analysis shows that the presented architecture can reduce power by up to 32% when compared to the conventional architecture with negligible degradation in detection probability and without degradation in false-alarm probability.",

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Ghanaatian, R, Whatmough, PN, Constantin, J, Teman, A & Burg, A 2016, A low-power correlator for wakeup receivers with algorithm pruning through early termination. in ISCAS 2016 - IEEE International Symposium on Circuits and Systems., 7539142, Proceedings - IEEE International Symposium on Circuits and Systems, vol. 2016-July, Institute of Electrical and Electronics Engineers Inc., pp. 2667-2670, 2016 IEEE International Symposium on Circuits and Systems, ISCAS 2016, Montreal, Canada, 22/05/16. https://doi.org/10.1109/ISCAS.2016.7539142

A low-power correlator for wakeup receivers with algorithm pruning through early termination. / Ghanaatian, Reza; Whatmough, Paul N.; Constantin, Jeremy et al.
ISCAS 2016 - IEEE International Symposium on Circuits and Systems. Institute of Electrical and Electronics Engineers Inc., 2016. p. 2667-2670 7539142 (Proceedings - IEEE International Symposium on Circuits and Systems; Vol. 2016-July).

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

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Ghanaatian R, Whatmough PN, Constantin J, Teman A, Burg A. A low-power correlator for wakeup receivers with algorithm pruning through early termination. In ISCAS 2016 - IEEE International Symposium on Circuits and Systems. Institute of Electrical and Electronics Engineers Inc. 2016. p. 2667-2670. 7539142. (Proceedings - IEEE International Symposium on Circuits and Systems). doi: 10.1109/ISCAS.2016.7539142

A low-power correlator for wakeup receivers with algorithm pruning through early termination

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