Multi‐ and dual‐tuned microstripline‐based transmit/receive switch for 7‐Tesla magnetic resonance imaging
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Imaging Systems and Technology"
DOI: 10.1002/ima.22634
Abstract: This article introduces two new designs of transmit/receive switches for 7‐Tesla magnetic resonance imaging. Both designs based on a microstripline coupler technology. In the first design, a different single frequency signals can be handled to/from… read more here.
Keywords: dual resonant; switch; magnetic resonance; transmit receive ... See more keywords
A transmit–receive array for brain imaging with a high‐performance gradient insert
Sign Up to like & getrecommendations! Published in 2020 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.28261
Abstract: The aim of this work was to provide parallel imaging capability for the human head in a gradient insert of 33‐cm inner diameter within the related constraints of space, encoding ambiguity, and eddy current immunity. read more here.
Keywords: transmit receive; gradient insert; receive array; brain imaging ... See more keywords
Customized Radiofrequency Phased-Array Coil Combining Transmit-Only, Receive-Only, and Transmit/Receive Coils for Magnetic Resonance Imaging of Visual Cortex at 7 Tesla
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3167422
Abstract: Magnetic resonance imaging (MRI) using an ultra-high magnetic field (7 Tesla) enables detailed and non-invasive studies of the function and anatomy of the human visual cortex, which is the brain region responsible for visual signal… read more here.
Keywords: magnetic resonance; visual cortex; transmit receive; coil ... See more keywords
Fourier-Optics Based Opto-Electronic Architectures for Simultaneous Multi-Band, Multi-Beam, and Wideband Transmit and Receive Phased Arrays
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3244063
Abstract: Current trends in wireless communications require a Base Transceiver Station (BTS) to support an ever-increasing number of antennas, wider bandwidths, multiple frequency bands, and many simultaneous beams. This is a tall order when considering all-electronic… read more here.
Keywords: beam; optics; multi beam; transmit receive ... See more keywords
Ultra-Wide Band On-Chip Circulator with Sequentially Switched Delay Lines (SSDL)
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3268060
Abstract: Author(s): Biedka, Mathew Michael | Advisor(s): Wang, Yuanxun | Abstract: As more and more people and devices become connected across the globe, the strain on the RF spectrum that they use to communicate increases. Current… read more here.
Keywords: ssdl circulator; circulator; delay lines; transmit receive ... See more keywords
Joint Transmit-and-Receive Antenna Selection System for MIMO-NOMA With Energy Harvesting
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2021.3109306
Abstract: In this paper, outage probability (OP) of a joint transmit and receive antenna selection (JTRAS) scheme is analyzed in multiple-input multiple-output non-orthogonal multiple access based downlink energy harvesting (EH) relaying networks. In this dual-hop and… read more here.
Keywords: receive antenna; transmit receive; energy harvesting; antenna selection ... See more keywords
Wideband Antenna Array for Simultaneous Transmit and Receive (STAR) Applications
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2016.2632737
Abstract: Design and performance of a nonscanning antenna array with wideband simultaneous transmit and receive capability are discussed. The proposed configuration utilizes a four-arm spiral antenna as a unit cell to achieve high isolation between transmit… read more here.
Keywords: transmit receive; array; simultaneous transmit; antenna array ... See more keywords
A Wideband, Scanning Array of Four-Arm Spiral Elements for Simultaneous Transmit and Receive
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2020.2970402
Abstract: Simultaneous transmit and receive (STAR) is attractive because it doubles spectral efficiency and alleviates radio frequency spectrum congestion. As expected, a major challenge in STAR is the high power leakage from the transmitter to the… read more here.
Keywords: simultaneous transmit; array; transmit receive; isolation ... See more keywords
Active Feed Tuning for Excitation Symmetry in Simultaneous Transmit and Receive Antennas
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2020.3033489
Abstract: We present an actively tuned balun to enable simultaneous transmit and receive (STAR) antennas to achieve greater isolation. Specifically, for the first time, we propose placing a chip into the antenna feed to control the… read more here.
Keywords: simultaneous transmit; transmit receive; feed; transmit ... See more keywords
Co-Design of Transmit-Receive Weights for MIMO System With LPI and Multi-Targets
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3176011
Abstract: This letter deals with the co-design of transmit and receive beamforming weights for the multiple-input multiple-output (MIMO) array with a low probability of interception (LPI) in the presence of multiple targets. Based on that, we… read more here.
Keywords: system lpi; weights mimo; mimo system; transmit receive ... See more keywords
Joint Transmit and Receive Antenna Selection for Spatial Modulation Systems Using Deep Learning
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3182213
Abstract: Importance of the signal reliability has started to increase in today’s communication technologies. One of the most important methods of increasing signal reliability for communication systems is the selection of antennas at the receiver, transmitter,… read more here.
Keywords: antenna selection; receive antenna; joint transmit; deep learning ... See more keywords