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Cited 2 time in webofscience Cited 2 time in scopus
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Reconfigurable multi-channel RF crossbar switch matrix for MRI receiver front-end

Authors
Lee, H. L.
Issue Date
Mar-2017
Publisher
INST ENGINEERING TECHNOLOGY-IET
Keywords
matrix algebra; radio receivers; wireless channels; inductors; image enhancement; biomedical MRI; medical image processing; reconfigurable multichannel RF crossbar switch matrix; MRI receiver front-end; reconfigurable crossbar transmission line switch matrix; magnetic resonance imaging system; signal loss-compensation circuitry; inductor bank; signal-to-noise ratio; SNR enhancement; RF path loss; phantom test image quality; magnetic flux density 4 tesla; frequency 170 MHz
Citation
ELECTRONICS LETTERS, v.53, no.6, pp 380 - 381
Pages
2
Journal Title
ELECTRONICS LETTERS
Volume
53
Number
6
Start Page
380
End Page
381
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/4685
DOI
10.1049/el.2016.4489
ISSN
0013-5194
1350-911X
Abstract
In this Letter, a highly reconfigurable crossbar transmission line switch matrix for magnetic resonance imaging (MRI) system is proposed. Unlike the conventional M x N crossbar switch configuration, the proposed structure can manipulate 2M x N matrix without doubling the area occupancy. Also, the proposed structure includes the signal loss-compensation circuitry based on inductor banks to enhance signal-to-noise ratio (SNR). Thus, for any required numbers of input and output channels, the proposed structure can reduce the overall size, the number of required component, and even increase the quality of MR images by SNR enhancement. The proposed structure was implemented and verified at 4-Tesla (170 MHz) MR system through the comparison of RF path loss, SNR and phantom test image qualities.
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Lee, Han Lim
창의ICT공과대학 (전자전기공학부)
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