Fabrication and measurement of millimeter-wave on-chip MIMO antenna for CMOS RFIC's

Liwen Jing; Corbett R. Rowell; Salahuddin Raju; Mansun Chan; R. D. Murch; C. Patrick Yue

doi:10.1109/IEEE-IWS.2016.7585434

Fabrication and measurement of millimeter-wave on-chip MIMO antenna for CMOS RFIC's

Liwen Jing, Corbett R. Rowell, Salahuddin Raju, Mansun Chan, R. D. Murch, C. Patrick Yue

School of Engineering and Digital Sciences

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

7 Citations (Scopus)

Abstract

This paper presents a compact on-chip MIMO antenna design. The proposed structure consists of one folded monopole antenna operating as main antenna and one IFA antenna serving as the diversity antenna. Antenna ground is formed by connecting the idle space in the pad ring area with the ground pads and the ground plane of the circuit. The proposed antenna is fabricated with standard CMOS process. Measurement results show that the input reflection coefficient of the main antenna is lower than -10dB from 56GHz to 65GHz, covering all four channels of the WiGig standard. The diversity antenna operates in the 56 ∼ 61GHz frequency range. -20dB isolation between antennas is achieved. The peak broadside gains of the main antenna and diversity antenna at 60GHz are -3.8dB and -6.1dB respectively. The simulated correlation coefficient between the main antenna and diversity antenna is smaller than 0.2 from 56GHz to 64GHz.

Original language	English
Title of host publication	2016 IEEE MTT-S International Wireless Symposium, IWS 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781509006960
DOIs	https://doi.org/10.1109/IEEE-IWS.2016.7585434
Publication status	Published - Oct 6 2016
Event	2016 IEEE MTT-S International Wireless Symposium, IWS 2016 - Shanghai, China Duration: Mar 14 2016 → Mar 16 2016

Conference

Conference	2016 IEEE MTT-S International Wireless Symposium, IWS 2016
Country	China
City	Shanghai
Period	3/14/16 → 3/16/16

Keywords

CMOS
MIMO
on-chip antenna
WPAN

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering
Instrumentation

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10.1109/IEEE-IWS.2016.7585434

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Fabrication and measurement of millimeter-wave on-chip MIMO antenna for CMOS RFIC's. / Jing, Liwen; Rowell, Corbett R.; Raju, Salahuddin; Chan, Mansun; Murch, R. D.; Yue, C. Patrick.

2016 IEEE MTT-S International Wireless Symposium, IWS 2016. Institute of Electrical and Electronics Engineers Inc., 2016. 7585434.

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

Jing, L, Rowell, CR, Raju, S, Chan, M, Murch, RD & Yue, CP 2016, Fabrication and measurement of millimeter-wave on-chip MIMO antenna for CMOS RFIC's. in 2016 IEEE MTT-S International Wireless Symposium, IWS 2016., 7585434, Institute of Electrical and Electronics Engineers Inc., 2016 IEEE MTT-S International Wireless Symposium, IWS 2016, Shanghai, China, 3/14/16. https://doi.org/10.1109/IEEE-IWS.2016.7585434

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AB - This paper presents a compact on-chip MIMO antenna design. The proposed structure consists of one folded monopole antenna operating as main antenna and one IFA antenna serving as the diversity antenna. Antenna ground is formed by connecting the idle space in the pad ring area with the ground pads and the ground plane of the circuit. The proposed antenna is fabricated with standard CMOS process. Measurement results show that the input reflection coefficient of the main antenna is lower than -10dB from 56GHz to 65GHz, covering all four channels of the WiGig standard. The diversity antenna operates in the 56 ∼ 61GHz frequency range. -20dB isolation between antennas is achieved. The peak broadside gains of the main antenna and diversity antenna at 60GHz are -3.8dB and -6.1dB respectively. The simulated correlation coefficient between the main antenna and diversity antenna is smaller than 0.2 from 56GHz to 64GHz.

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