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Abstract #4311

Software Synchronization of Independent Receivers by Transmit Phase Tracking

Greig Scott1, Fraser Robb2, John Pauly1, and Pascal Stang3

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

For add on receiver electronics, and wireless receiver coils, a major challenge is the synchronization of on-coil digitizers without a physical connection to the scanner. We propose that a digitizer that multiplexes the RF pulse and FID to an ADC can then use the transmit data to phase and frequency correct the MRI image data. We demonstrate frequency estimator and pulse sequence frequency tracking feasibility with a test bench that synthesizes the wireless MRI data acquisition and artifact-free image reconstruction.

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