A CMOS 0.5-2.5GHz Full-Duplex MIMO Receiver with Self-Adaptive and Power-Scalable RF/Analog Wideband Interference Cancellation

Yuhe Cao; Jin Zhou

doi:10.1109/RFIC.2019.8701784

A CMOS 0.5-2.5GHz Full-Duplex MIMO Receiver with Self-Adaptive and Power-Scalable RF/Analog Wideband Interference Cancellation

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

Abstract

A 65nm CMOS 0.5-2.5GHz full-duplex (FD) MIMO receiver (RX) with self-adaptive ≥24dB RF/analog interference cancellation across 20MHz BW is presented. An LMS adaptive circuitry is co-designed with and partially embedded in a wideband RF/analog interference canceller and a gain-boosted mixer-first RX. With the adaptive circuitry fully integrated and consuming 14mW, the cancellers adapt themselves to an unknown channel in 1μs. The FD MIMO RX is also power-scalable-when used as a digital beamformer, the NF-power scalability of the FD RX enables a nearly constant canceller DC power per element, despite a quadratic increase of cancellers.

Original language	English (US)
Title of host publication	2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	147-150
Number of pages	4
ISBN (Electronic)	9781728117010
DOIs	https://doi.org/10.1109/RFIC.2019.8701784
State	Published - Jun 2019
Event	2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019 - Boston, United States Duration: Jun 2 2019 → Jun 4 2019

Publication series

Name	Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium
Volume	2019-June
ISSN (Print)	1529-2517

Conference

Conference	2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019
Country	United States
City	Boston
Period	6/2/19 → 6/4/19

ASJC Scopus subject areas

Engineering(all)

Access to Document

10.1109/RFIC.2019.8701784

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Cao, Y., & Zhou, J. (2019). A CMOS 0.5-2.5GHz Full-Duplex MIMO Receiver with Self-Adaptive and Power-Scalable RF/Analog Wideband Interference Cancellation. In 2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019 (pp. 147-150). [8701784] (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium; Vol. 2019-June). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/RFIC.2019.8701784

A CMOS 0.5-2.5GHz Full-Duplex MIMO Receiver with Self-Adaptive and Power-Scalable RF/Analog Wideband Interference Cancellation. / Cao, Yuhe; Zhou, Jin.

2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019. Institute of Electrical and Electronics Engineers Inc., 2019. p. 147-150 8701784 (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium; Vol. 2019-June).

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

Cao, Y & Zhou, J 2019, A CMOS 0.5-2.5GHz Full-Duplex MIMO Receiver with Self-Adaptive and Power-Scalable RF/Analog Wideband Interference Cancellation. in 2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019., 8701784, Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium, vol. 2019-June, Institute of Electrical and Electronics Engineers Inc., pp. 147-150, 2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019, Boston, United States, 6/2/19. https://doi.org/10.1109/RFIC.2019.8701784

Cao Y, Zhou J. A CMOS 0.5-2.5GHz Full-Duplex MIMO Receiver with Self-Adaptive and Power-Scalable RF/Analog Wideband Interference Cancellation. In 2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019. Institute of Electrical and Electronics Engineers Inc. 2019. p. 147-150. 8701784. (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium). https://doi.org/10.1109/RFIC.2019.8701784

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abstract = "A 65nm CMOS 0.5-2.5GHz full-duplex (FD) MIMO receiver (RX) with self-adaptive ≥24dB RF/analog interference cancellation across 20MHz BW is presented. An LMS adaptive circuitry is co-designed with and partially embedded in a wideband RF/analog interference canceller and a gain-boosted mixer-first RX. With the adaptive circuitry fully integrated and consuming 14mW, the cancellers adapt themselves to an unknown channel in 1μs. The FD MIMO RX is also power-scalable-when used as a digital beamformer, the NF-power scalability of the FD RX enables a nearly constant canceller DC power per element, despite a quadratic increase of cancellers.",

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