ArticleMagnetic resonance in medicine2026
Wireless Resonators With Coupled Versus Decoupled Units: Which Enhances Local SNR of RF Receive Arrays Better?
Article in Magnetic resonance in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Low-Cost and Detunable Wireless Resonator Glasses for Enhanced Eye MRI With Concurrent High-Quality Whole-Brain MRI.Magnetic resonance in medicine · 2026Article
- Wireless Resonators With Coupled Versus Decoupled Units: Which Enhances Local SNR of RF Receive Arrays Better?Magnetic resonance in medicine · 2026Article
- Reducing RF-Induced Heating of DBS in 3 T MRI Using Dual-Role Receive Arrays as Wireless Resonators: A Simulation Study.IEEE access : practical innovations, open solutions · 2026Article
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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
purposeTo compare two identically sized wireless resonator designs, one with strongly coupled units and the other with decoupled units, for their ability to enhance receive performance in MRI when used with local receive arrays.
methodsBoth wireless resonator designs were fabricated and experimentally evaluated for detuning efficiency, SNR improvements, and parallel imaging performance (g-factor) at 1.5 T. They were used alongside a 12-channel head receive array, with the standard body coil serving as the RF transmitter.
resultsExperimental data showed that the wireless resonator with decoupled units consistently outperformed that with coupled units, with up to threefold improvement in SNR and a reduction of maximum/average g-factor from 4.6/1.8 to 3.1/1.3. Notably, compared to the original receive array (maximum/average: 3.9/1.7), the decoupled design further improved the g-factor, highlighting superior performance in accelerated imaging.
conclusionWireless resonators with decoupled units offer significant advantages in improving MRI image quality and parallel imaging performance over their coupled counterparts. Their ease of detuning and pronounced gains in SNR and g-factor make them a compelling choice for wireless resonator designs.
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