A Millimeter-Wave Digital Link for Wireless MRI

A millimeter (mm) wave radio is presented in this work to support wireless MRI data transmission. High path loss and availability of wide bandwidth make mm-waves an ideal candidate for short range, high data rata communication required for wireless MRI. The proposed system uses a custom designed int...

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Bibliographic Details
Published in:IEEE transactions on medical imaging 2017-02, Vol.36 (2), p.574-583
Main Authors: Aggarwal, Kamal, Joshi, Kiran R., Rajavi, Yashar, Taghivand, Mazhareddin, Pauly, John M., Poon, Ada S. Y., Scott, Greig
Format: Article
Language:English
Subjects:
60 GHz
Baseband
Close range
Communications systems
Customization
Data transmission
dipole antenna
Dipole antennas
horn antenna
imaging
impulse radio
Integrated circuits
IR-UWB
Linear polarization
low power
Magnetic resonance imaging
Millimeter waves
mm-wave
MRI
On-Off Keying
OOK
optical transceiver
Radio frequency
Radio transmitters
Receivers
Time division multiplexing
Wireless communication
Wireless communications
wireless MRI
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Summary:A millimeter (mm) wave radio is presented in this work to support wireless MRI data transmission. High path loss and availability of wide bandwidth make mm-waves an ideal candidate for short range, high data rata communication required for wireless MRI. The proposed system uses a custom designed integrated chip (IC) mm-wave radio with 60 GHz as radio frequency carrier. In this work, we assess performance in a 1.5 T MRI field, with the addition of optical links between the console room and magnet. The system uses ON-OFF keying (OOK) modulation for data transmission and supports data rates from 200 Mb/s to 2.5 Gb/s for distances up-to 65 cm. The presence of highly directional, linearly polarized, on-chip dipole antennas on the mm-wave radio along with the time division multiplexing (TDM) circuitry allows multiple wireless links to be created simultaneously with minimal inter-channel interference. This leads to a highly scalable solution for wireless MRI.
ISSN:0278-0062
1558-254X
DOI:10.1109/TMI.2016.2622251