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Search Publications by: Paritosh Manurkar (Assoc)

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Displaying 1 - 6 of 6

Laboratory-Based Reference Channels for Millimeter-Wave Wireless Device Measurements

July 3, 2024
Author(s)
Joshua Kast, Paritosh Manurkar, Sudantha Perera, Mohamed Hany, Rob Horansky, Rick Candell, Kate Remley, Matt Simons
Industrial and consumer wireless devices increasingly make use of millimeter-wave (mmWave) frequencies to meet increasing requirements for bandwidth, device density, and latency. The complex propagation environment and design of phased-array antennas pose

Dynamic Range by Design in OTA EVM measurements

October 17, 2023
Author(s)
Paritosh Manurkar, Dan Kuester, Joshua Kast, Rob Horansky
We present an experimental approach to design an over-the-air (OTA) millimeter-wave measurement of error vector magnitude (EVM) and associated uncertainties that include correlations and nonlinearities. Our approach uses a waveguide-variable attenuator at

Recommended Practices for Calibrated Millimeter-Wave Modulated-Signal Measurements

June 14, 2023
Author(s)
Paritosh Manurkar, Joshua Kast, Dylan Williams, Rob Horansky, Dan Kuester, Kate Remley
In a millimeter-wave modulated-signal measurement system with several calibration reference planes, we want the measured signal to be a close replica of the ideal signal at the reference plane which connects the near-ideal measured signal to subsequent

Reference Measurements of Error Vector Magnitude

August 29, 2022
Author(s)
Paritosh Manurkar, Christopher Silva, Joshua Kast, Rob Horansky, Dylan Williams, Kate Remley
We demonstrate the suitability of the IEEE P1765 Reference Waveforms in ascertaining EVM and the associated uncertainties by performing traceable measurements on a calibrated equivalent-time sampling oscilloscope at 44 GHz. With this knowledge, a user can

Precision Millimeter-Wave Modulated Wideband Source for Over-The-Air Reference at 92.4 GHz

April 22, 2020
Author(s)
Paritosh Manurkar, Robert D. Horansky, Benjamin F. Jamroz, Jeffrey A. Jargon, Dylan F. Williams, Catherine A. Remley
As the next generation communications technology continues to evolve to utilize millimeter-wave frequencies, calibration methods are needed for the nonidealities related to these frequencies in communications electronics. In this work, we demonstrate a 1

Fully self-referenced frequency comb consuming 5 Watts of electrical power

September 12, 2018
Author(s)
Paritosh Manurkar, Edgar F. Perez, Daniel D. Hickstein, David R. Carlson, Jeffrey T. Chiles, Daron A. Westly, Esther Baumann, Scott A. Diddams, Nathan R. Newbury, Kartik A. Srinivasan, Scott B. Papp, Ian R. Coddington
We present a hybrid fiber/waveguide design for a 100-MHz frequency comb that is fully self- referenced and temperature controlled with less than 5 W of electrical power. Self-referencing is achieved by supercontinuum generation in a silicon nitride