Search Results - "Shitvov, Alexey"

Nonlinear Characterization for Microstrip Circuits With Low Passive Intermodulation by Shitvov, Alexey P., Kozlov, Dmitry S., Schuchinsky, Alexander G.

“…Products of passive intermodulation (PIM) generated by weak nonlinearities of passive circuits subjected to relatively high transmit power of multicarrier…”
Get full text

Passive Intermodulation of Analog and Digital Signals on Transmission Lines With Distributed Nonlinearities: Modelling and Characterization by Kozlov, Dmitry S., Shitvov, Alexey P., Schuchinsky, Alexander G., Steer, Michael B.

“…Passive intermodulation (PIM) often limits the performance of communication systems with analog and digitally modulated signals and especially of systems…”
Get full text

Characterization of Tiled Architecture for C-Band 1-Bit Beam-Steering Transmitarray by Kozlov, Dmitry, Munina, Irina, Turalchuk, Pavel, Kirillov, Vitalii, Shitvov, Alexey, Zelenchuk, Dmitry

“…A new implementation of a beam-steering transmitarray is proposed based on the tiled array architecture. Each pixel of the transmitarray is manufactured as a…”
Get full text

Multitransducer SAW Device Architecture for Passive Wireless Sensor Tags by Sveshnikov, Boris V., Shitvov, Alexey P.

“…A new architecture of surface acoustic wave (SAW) sensor tags with lower insertion loss and enhanced sensitivity is investigated. It efficiently employs two…”
Get full text

Practical Mitigation of Passive Intermodulation in Microstrip Circuits by Kozlov, Dmitry, Shitvov, Alexey P., Bulja, Senad, Lundy, Ross, Rulikowski, Pawel, Nolan, Kevin, Enright, Ryan

“…This paper presents new experimental evidence and a novel practical approach for mitigation of passive intermodulation (PIM) in microstrip circuits fabricated…”
Get full text

Beam Index Modulation Wireless Communication With Analog Beamforming by Ding, Yuan, Fusco, Vincent, Shitvov, Alexey, Xiao, Yue, Li, Hailin

“…In this paper, we propose a new architecture and performance analysis for beam index modulation (BIM) wireless communication implemented with the aid of analog…”
Get full text

Distributed passive intermodulation generation in coplanar waveguide transmission lines by Shitvov, Alexey P., Schuchinsky, Alexander G.

“…A phenomenology of distributed passive intermodulation generation in coplanar waveguide transmission line is presented. The theoretical analysis is based upon…”
Get full text

Nonlinear characterisation for microstrip filters with low passive intermodulation by Shitvov, Alexey, Kozlov, Dmitry

“…This paper presents an RF CAD assisted approach to accurate characterisation of microstrip nonlinearities in planar microwave circuits fabricated on commercial…”
Get full text

Thin flexible multi-octave metamaterial absorber for millimetre wavelengths by Pisano, Giampaolo, Dunscombe, Christopher, Hargrave, Peter, Shitvov, Alexey, Tucker, Carole

“…Development of novel radiation-absorbent materials and devices for millimetre and submillimetre astronomy instruments is a research area of high interest, and…”
Get full text

Analog Beamforming based on Fourier Rotman Lens for Multibeam Applications by Turalchuk, Pavel, Munina, Irina, Shitvov, Alexey

“…Spatial division represents a popular approach to increasing capacity in modern wireless networks. This paper presents a study of a simplified beamforming…”
Get full text

Analog Beamforming Based on Fourier Rotman Lens for Multibeam Applications by Turalchuk, Pavel, Munina, Irina, Shitvov, Alexey

“…Spatial division represents a popular approach to increasing capacity in modern wireless networks. This paper presents a study of a simplified beamforming…”
Get full text

MetaTel: Ongoing work on a meta-material sub-THz telescope for Earth observing by Savini, Giorgio, Shitvov, Alexey, Hargrave, Peter, Tucker, Carole, Walker, Ian, Ade, Peter, Zhang, Jin, Pisano, Giampaolo, Charlton, Janet

“…We report on ongoing technology development activities in the build and testing of a refractive telescope composed of metamaterial Gradient Index (GrIn) lenses…”
Get full text

Polynomial model for high-order and multi-carrier passive intermodulation products by Kozlov, Dmitry S., Shitvov, Alexey P., Schuchinsky, Alexander G.

“…Passive intermodulation (PIM) often limits the performance of communication systems, particularly in the presence of multiple carriers. Since the origins of…”
Get full text

On passive intermodulation test of analog and digital systems by Kozlov, Dmitry, Shitvov, Alexey, Schuchinsky, Alexander

“…This paper presents initial results of evaluating suitability of the conventional two-tone CW passive intermodulation (PIM) test for characterization of…”
Get full text

Design and experimental investigation of a planar metamaterial Silicon based lenslet by Gascard, Thomas, Pisano, Giampaolo, Doyle, Simon, Shitvov, Alexey, Austermann, Jason, Beall, James, Hubmayr, Johannes, Raymond, Benjamin, Halverson, Nils, Jaehnig, Gregory, McKenney, Christopher M, Suzuki, Aritoki

“…Proc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 1145307 (13 December 2020) The next generations of…”
Get full text

Beamspace multiplexing for wireless millimeter-wave backhaul link by Yuan Ding, Fusco, Vincent, Shitvov, Alexey

“…This paper studies the beamspace multiplexing for free-space wireless millimeter-wave (mm-wave) backhaul applications, which has never been investigated…”
Get full text

Passive intermodulation in distributed circuits with cascaded discrete nonlinearities by Kozlov, Dmitry S., Shitvov, Alexey P., Schuchinsky, Alexander G.

“…The principle aspects of passive intermodulation (PIM) characterisation in distributed printed circuits with cascaded lumped nonlinearities are presented…”
Get full text

Simplified spatial division analog beamforming based on fourier rotman lens by Munina, I, Turalchuk, P, Shitvov, A, Kozlov, D

“…Spatial multiplexing is a way to increase a capacity of modern wireless systems by decomposing the spatial domain in several independent channels. As a…”
Get full text

Characterisation of passive intermodulation in passive RF devices with X-parameters by Kozlov, Dmitry S., Shitvov, Alexey P., Schuchinsky, Alexander G.

“…A novel approach to the modelling of passive intermodulation (PIM) generation in passive components with distributed weak nonlinearities is outlined. Based…”
Get full text

Characterisation of nonlinear distortion and intermodulation in passive devices and antennas by Shitvov, Alexey, Schuchinsky, Alexander G., Steer, Michael B., Wetherington, Joshua M.

“…The paper presents a conceptual discussion of the characterisation and phenomenology of passive intermodulation (PIM) by the localised and distributed…”
Get full text