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Abstract #3315

A Prototype Microwave Link for a Wireless MRI Coil Array

Reuben Rosenberg1, Ege Turan1, Fraser Robb2, Shreyas Vasanawala3, John Pauly1, and Greig Cameron Scott1
1Electrical Engineering, Stanford University, Stanford, CA, United States, 2GE Healthcare, Aurora, OH, United States, 3Radiology, Stanford University, Stanford, CA, United States

Synopsis

Keywords: Hybrid & Novel Systems Technology, RF Arrays & Systems, Wireless, Microwave

Motivation: MRI coil array cables provide an obstacle to positioning the array and form-fitting it to the patient, increasing scan times and reducing patient comfort.

Goal(s): We aim to remove the coil array cable by developing a scalable microwave link to wirelessly transmit digitized coil data from the array.

Approach: Using off-the-shelf components, we constructed a custom microwave link consisting of a test transmitter that sends encoded pseudo-random data and a receiver that streams recovered data out over ethernet.

Results: We present a prototype wireless link capable of transferring error-free data above at least 200 Mbps over distances up to several meters.

Impact: This microwave link prototype brings us closer to a wireless MRI system, which will streamline the imaging process by enabling faster and more effective positioning of the coil array on the patient, reducing scan times and improving patient comfort.

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