Two methods to estimate the direct current offset (DCO) of non-coherent receivers for on-off keying (OOK) systems are proposed. These estimate I-arm and Q-arm DCO solely from the digitized samples of the envelope detector. This ameliorates power consuming individual I-arm and Q-arm processing for DCO estimation and makes it more suitable for adoption in next generation wireless ultra-low power (ULP) receivers. Furthermore, the efficacy of the proposed methods is demonstrated for an IEEE 802.15.4q compliant ULP sliding intermediate frequency receiver. © 2016 IEEE.

Manoj Choudhary

Department of Electrical Engineering

IIT Jodhpur

J.P. Nair

A.D. Gore

K. Bynam

Y.-J. Hong

C. Park

S. Yun

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DC offset estimation for on-off keying based ultra-low power non-coherent receivers

Proceedings - IEEE International Symposium on Circuits and Systems

Journal	Data powered by TypesetProceedings - IEEE International Symposium on Circuits and Systems
Publisher	Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
ISSN	02714310