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Abstract #0025

Pilot Tone Software Synchronization for Wireless MRI Receivers

Greig Scott1, Shreyas Vasanawala2, Fraser Robb3, Pascal Stang4, and John Pauly1

1Electrical Engineering, Stanford University, Stanford, CA, United States, 2Stanford University, Stanford, CA, United States, 3GE Healthcare, Aurora, OH, United States, 4Procyon Engineering, San Jose, CA, United States

For wireless MRI to become a reality, methods must be developed to synchronize receivers that have no physical connection to the scanner. Here, we demonstrate that dual pilot tones are needed to correct for both timing skew and frequency offsets. Bench tests were performed with a master and free running slave receiver, in which the images were re-synchronized by frequency estimation methods on pilot tones.

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