A Millimeter-Wave Digital Link for Wireless MRI

被引：23

作者：

Aggarwal, Kamal ^{[1
]}

Joshi, Kiran R. ^{[1
]}

Rajavi, Yashar ^{[1
]}

Taghivand, Mazhareddin ^{[1
,2
]}

Pauly, John M. ^{[1
]}

Poon, Ada S. Y. ^{[1
]}

Scott, Greig ^{[1
]}

机构：

[1] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA

[2] Qualcomm Inc, San Jose, CA 95110 USA

来源：

IEEE TRANSACTIONS ON MEDICAL IMAGING | 2017年 / 36卷 / 02期

关键词：

Close range; dipole antenna; horn antenna; imaging; impulse radio; IR-UWB; low power; mm-wave; MRI; OOK; optical transceiver; 60; GHz; wireless MRI; ARRAY;

D O I：

10.1109/TMI.2016.2622251

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

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.

引用

页码：574 / 583

页数：10

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