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A 94 GHz mm-Wave-to-Baseband Pulsed-Radar Transceiver with Applications in Imaging and Gesture Recognition
2013
IEEE Journal of Solid-State Circuits
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This paper presents the design of the enabling TRX chip: a highly integrated 94 GHz phase-coherent pulsed-radar with on-chip antennas. ...
A scalable array architecture for 3D imaging is proposed in which single-element phase coherent transceiver (TRX) chips, with programmable TX pulse delay capability, are mounted on a common board to realize ...
Delay-Locked Loop In order to obtain fine phase control, a delay-locked loop (DLL) with embedded phase interpolation is used [31] . A block diagram of the DLL is shown in Fig. 12 . ...
doi:10.1109/jssc.2013.2239004
fatcat:oc7ykdglmnhxng6zjlenc452l4
2020 Index IEEE Journal of Solid-State Circuits Vol. 55
2020
IEEE Journal of Solid-State Circuits
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., A Low-Power 70-100-GHz Mixer-First RX Leveraging Frequency-Translational Feedback; JSSC Aug. 2020 2043-2054 Ishigaki, Y., see Yamada, Y., JSSC Jan. 2020 120-132 Ishii, H., see Kondo, S., 2866-2877 ...
, P., JSSC Feb. 2020 282-297 Jahromi, S., Jansson, J., Keranen, P., and Kostamovaara, J., A 32 × 128 SPAD-257 TDC Receiver IC for Pulsed TOF Solid-State 3-D Imaging; JSSC July 2020 1960-1970, see Qi ...
., +, JSSC May 2020 1282-1296 A 66-fs-rms Jitter 12.8-to-15.2-GHz Fractional-N Bang-Bang PLL With Digital Frequency-Error Recovery for Fast Locking. ...
doi:10.1109/jssc.2021.3054535
fatcat:rfm7shuowvakfgzumgtqzlod5i
RFIC 2020 Program
2020
2020 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)
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The measured insertion loss is in the range of 7.8-12 dB with an RMS gain error less than 1.4 dB from 8 GHz to 24 GHz. ...
Carrier to third-order intermodulation distortion product is >40 dBc at 9 dB power backoff within a carrier spacing range larger than 250 MHz. ...
The design is verified with digitally-modulated signals with a bandwidth of up to 160 MHz at a carrier frequency of 2 GHz. ...
doi:10.1109/rfic49505.2020.9218389
fatcat:fqkpw3oau5gzpoi3gscgb7kwhi
Low-Power Impulse UWB Architectures and Circuits
2009
Proceedings of the IEEE
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The lowrate system has an all digital transmitter architecture, 0.65 and 0.5 V radio-frequency (RF) and analog circuits in the receiver, and no RF local oscillators, allowing the chipset to power on in ...
The high-rate system leverages parallelism to enable the use of energy-efficient architectures and aggressive voltage scaling down to 0.4 V while maintaining a rate of 100 Mb/s. ...
The signal is tracked in the payload using a delay-locked loop (DLL) to account for offsets between the ADC clock frequencies at the transmitter and receiver. ...
doi:10.1109/jproc.2008.2008787
fatcat:wztqds6eebbjhh734egodrlunm
A Survey on Vital Signs Detection Using Radar Techniques and Processing With FPGA Implementation
2021
IEEE Circuits and Systems Magazine
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The Federal Communication Commission (FCC) in the US allows unlicensed UWB transmission in the 3.1 to 10.6 GHz range with an average transmitted power of less than -41.3dBm/MHz [4] . ...
To facilitate coexistence in the radio spectrum, all radar sensors must comply with regulations of unlicensed operation. ...
The center frequency used was 5.765 GHz with a bandwidth of 40 MHz. ...
doi:10.1109/mcas.2020.3027445
fatcat:fwmsw7gxjreb5pbliktj7wv7xm
Analysis and Equalization of Data-Dependent Jitter
2006
IEEE Journal of Solid-State Circuits
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Data-dependent jitter limits the bit-error rate (BER) performance of broadband communication systems and aggravates synchronization in phase-and delay-locked loops used for data recovery. ...
The first is a SiGe clock and data recovery circuit modified to incorporate a deterministic jitter equalizer. This circuit demonstrates the reduction of jitter in the recovered clock. ...
ACKNOWLEDGMENT The authors would like to thank B. Analui at Caltech for helpful discussions. They also appreciate the support of IBM Research at Yorktown Heights, NY, for providing foundry access. ...
doi:10.1109/jssc.2005.864119
fatcat:bz4qrfqtbjda3dnikbfhehzu2q
A Front-End ASIC With High-Voltage Transmit Switching and Receive Digitization for 3-D Forward-Looking Intravascular Ultrasound Imaging
2018
IEEE Journal of Solid-State Circuits
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, and employs an energy-efficient loadmodulation datalink to return the digitized echo signal to the system in a robust manner. ...
Electrical measurements show 28 V HV switching and RX digitization with a 16 MHz bandwidth and 53 dB dynamic range. Acoustical measurements demonstrate successful pulse transmission and reception. ...
phase-lock-loop (PLL) or delay-lock-loop (DLL). ...
doi:10.1109/jssc.2018.2828826
fatcat:r2srhl7v5nesbkbw5udf6plqga
Evaluation of the LTE positioning capabilities under typical multipath channels
2012
2012 6th Advanced Satellite Multimedia Systems Conference (ASMS) and 12th Signal Processing for Space Communications Workshop (SPSC)
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First of all, I would like to express my deepest gratitude to my advisors (from UAB) Prof. Gonzalo Seco-Granados and Prof. Jos e A. ...
A preliminary scenario with four synchronized base stations is used to validate the positioning engine. ...
Acknowledgements This Ph.D. dissertation ends a journey full of good experiences and joyful moments. ...
doi:10.1109/asms-spsc.2012.6333065
dblp:conf/asms-spsc/Peral-RosadoLSZ12
fatcat:ukreyaa7y5bbdixna3bxcu3weq
The Impact of the Massive Young Star GL 2591 on Its Circumstellar Material: Temperature, Density, and Velocity Structure
1999
Astrophysical Journal
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These two scales are connected by interferometric 86-226 GHz images of size 60,000 AU and resolution 2000 AU in continuum and molecular lines. ...
The data are used to constrain the physical structure of the envelope and investigate the influence of the young star on its immediate surroundings. ...
JCMT/ Go ran UKT14 data and for reducing the SCUBA data, to Craig Kulesa for communicating his Phoenix results, and to an anonymous referee whose comments helped to improve this paper. ...
doi:10.1086/307666
fatcat:su2hk4dxrbhhbp3nly44r4gu5m
The ATLAS TRT electronics
2008
Journal of Instrumentation
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(TRT), tracking from 56 to 107 cm. ...
The TRT provides a combination of continuous tracking with many projective measurements based on individual drift tubes (or straws) and of electron identification based on transition radiation from fibres ...
is a comparison with the incoming 40 MHz LHC clock. ...
doi:10.1088/1748-0221/3/06/p06007
fatcat:qditm7sg45ckbnz5v2impzhrqq
Analysis of GNSS replay-attack detectors exploiting unpredictable symbols
2018
Zenodo
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Once there has been explained in detail in what consist each of them, a comparison of the different attacks and detection methods are carried out in order to determine which attack is the best (from the ...
GNSS is currently used in a wide variety of applications beyond the determination of the user position by means of a GNSS receiver. ...
The loops are called Delay-Lock Loop (DLL) for the code-
delay tracking, and Phase-Lock Loop (PLL) for the carrier tracking. ...
doi:10.5281/zenodo.3479302
fatcat:dliavs7r2vemnh7oim6f2au37u
Power complexity of multiplexer-based optoelectronic crossbar switches
2005
IEEE Transactions on Very Large Scale Integration (vlsi) Systems
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He worked in the telecommunication industry from 1995 to 2001. He is currently working as a Research Associate at McMaster University. ...
Szymanski is a member of the Prairie Inn Harriers. ...
ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their thorough questions and suggestions. ...
doi:10.1109/tvlsi.2005.844285
fatcat:qmacay3wdnhefaizz3tggzhxma
A model-independent algorithm for ionospheric tomography: 1. Theory and tests
1998
Radio Science
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(b) When the geostationary satellite's signals remain phase locked all the time, the unknown constant of integration needs to be estimated only once. ...
Ross (1960) used the 20 MHz and 40 MHz signals from satellite 1957<52, or Sputnik 111, to determine total electron content. ...
Comparison of Ne,max frorn tomography with chirpsounder records shows a mean disagreement of 18% between the methods, that is not all due to tomography. ...
doi:10.1029/97rs03007
fatcat:votnijxpj5gtlazbjpbqc4dmym
The Wireless Craze, The Unlimited Bandwidth Myth, The Spectrum Auction Faux Pas, and the Punchline to Ronald Coase's "Big Joke": An Essay on Airwave Allocation Policy
2001
Social Science Research Network
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Entity
SMR
40+
10 MHz
Table 13 --Cellular v. ...
• Medium Frequency (300 kHz -3 MHz) • High Frequency (3 MHz -30 MHz) • Very High Frequency (30 MHz -300 MHz) • Ultra High Frequency (300 MHz -3 GHz) • Super High Frequency (3 GHz -30 GHz) • Extremely ...
Only a relatively small fraction of the spectrum below 300 GHz is reserved exclusively for public (1.4%) or private (5.5%) use. ...
doi:10.2139/ssrn.286932
fatcat:xvz25bjv5nh4ho3wfqtqrloe3y
Spectral domain optical coherence tomography of multi-MHz A-scan rates at 1310 nm range and real-time 4D-display up to 41 volumes/second
2012
Biomedical Optics Express
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In the case of the worst duty ratio of 10%, the averaged A-scan rate was 1 MHz. ...
Using FPGAs for FFT and a GPU for volume rendering, a real-time 4D display was demonstrated at a rate up to 41 volumes/second for an image size of 256 (axial) × 128 × 128 (lateral) voxels. ...
The authors express their thanks to Renzo Ikeda, Atsusi Kubota, and Tutomu Ohno of System House Co. for the software development. ...
doi:10.1364/boe.3.003067
pmid:23243560
pmcid:PMC3521307
fatcat:l7hz5h75kzcxpck3xviknf5u5y
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