Search Results - "Ivashina, Marianna"

Wideband Open-Ended Ridge Gap Waveguide Antenna Elements for 1-D and 2-D Wide-Angle Scanning Phased Arrays at 100 GHz by Zhang, Yingqi, Vilenskiy, Artem R., Ivashina, Marianna V.

“…A new antenna element type based on the open-ended ridge gap waveguide (RGW) is proposed for phased array applications. This element type is of a particular…”
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mmWave Metal Bowtie Slot Array Element Integrating Power Amplifier MMIC via On-Chip Probe to Enhance Efficiency and Bandwidth by Liao, Wan-Chun, Vilenskiy, Artem R., Maaskant, Rob, Emanuelsson, Thomas, Vassilev, Vessen, Ivashina, Marianna V.

“…A Ka-band wideband, wide-scan range, and high-efficiency active integrated array element with a contactless transition at the antenna-power amplifier (PA)…”
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Hybrid OTA Chamber for Multidirectional Testing of Wireless Devices: Plane Wave Spectrum Generator Design and Experimental Demonstration by Iupikov, Oleg A., Krasov, Pavlo S., Glazunov, Andres Alayon, Maaskant, Rob, Friden, Jonas, Ivashina, Marianna V.

“…This article investigates practical implementation aspects of a novel hybrid chamber concept that has been recently introduced for over-the-air (OTA) testing…”
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A W-Band Quasi-Optical Array Antenna Feeding Network With High Taper Efficiency Using Optimal Ridge Excitation of an H-Plane Sectoral Waveguide by Zhang, Yingqi, Vilenskiy, Artem R., Litun, Vladimir I., Ivashina, Marianna V.

“…A novel H-plane quasi-optical (QO) feeding network for linear (sub-)array gap waveguide (GWG) antennas intended for beam-steering applications at W-band is…”
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Reconfigurable Transmitarray With Near-Field Coupling to Gap Waveguide Array Antenna for Efficient 2-D Beam Steering by Vilenskiy, Artem R., Makurin, Mikhail N., Lee, Chongmin, Ivashina, Marianna V.

“…A novel array antenna architecture is proposed that can enable 2-D (full-space) radiation pattern control and efficient beam steering. This solution is based…”
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Sparse Array Synthesis Including Mutual Coupling for MU-MIMO Average Capacity Maximization by Amani, Navid, Farsaei, Amirashkan, Aghdam, Sina Rezaei, Eriksson, Thomas, Ivashina, Marianna V., Maaskant, Rob

“…A hybrid optimization algorithm, including mutual coupling (MC), is proposed to synthesize an irregular sparse array (ISA) for average capacity maximization in…”
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A Dual-Fed PIFA Antenna Element With Nonsymmetric Impedance Matrix for High-Efficiency Doherty Transmitters: Integrated Design and OTA-Characterization by Iupikov, Oleg A., Hallberg, William, Maaskant, Rob, Fager, Christian, Rehammar, Robert, Buisman, Koen, Ivashina, Marianna V.

“…A single planar inverted F-antenna is proposed employing two input ports to optimally power-combine the output signals of two nonlinear power amplifiers inside…”
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Multi-Panel Sparse Base Station Design With Physical Antenna Effects in Massive MU-MIMO by Amani, Navid, Wymeersch, Henk, Johannsen, Ulf, Smolders, Adrianus Bart, Ivashina, Marianna V., Maaskant, Rob

“…A novel base station antenna (BSA) configuration is presented to mitigate degrading physical antenna effects in massive multiple-input multiple-output (MIMO)…”
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Co-Design and Validation Approach for Beam-Steerable Phased Arrays of Active Antenna Elements With Integrated Power Amplifiers by Vilenskiy, Artem R., Liao, Wan-Chun, Maaskant, Rob, Vassilev, Vessen, Iupikov, Oleg A., Emanuelsson, Thomas, Ivashina, Marianna V.

“…An approach for designing a beam-steering active phased array of antenna elements with integrated power amplifiers (PAs) is presented. It is based on an…”
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High-Sensitivity Phased Array Receivers for Radio Astronomy by Warnick, Karl F., Maaskant, Rob, Ivashina, Marianna V., Davidson, David Bruce, Jeffs, Brian D.

“…Phased arrays have a long history in radio astronomy. Large, sparse synthesis arrays have been in use for decades to capture high-resolution images of deep…”
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A Cavity-Backed Patch Antenna With Distributed Multi-Port Feeding, Enabling Efficient Integration With Doherty Power Amplifier and Band-Pass Filter by Iupikov, Oleg A., Perez-Cisneros, Jose-Ramon, Meyer, Petrie, Akesson, Daniel, Maaskant, Rob, Buisman, Koen, Rehammar, Robert, Fager, Christian, Ivashina, Marianna V.

“…A joint design approach for cointegrated antenna and power amplifier (PA), employing a high-efficiency Doherty PA (DPA) architecture and including a bandpass…”
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Per-Antenna Power Distribution of a Zero-Forcing Beamformed ULA in Pure LOS MU-MIMO by Amani, Navid, Glazunov, Andres Alayon, Ivashina, Marianna V., Maaskant, Rob

“…An analytical model is presented to determine the per-antenna power distribution of a beamformed <inline-formula> <tex-math notation="LaTeX">M…”
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A New Hybrid Chamber for Generating a Spectrum of Oblique Incident Plane Waves at the DUT by Maaskant, Rob, Iupikov, Oleg A., Krasov, Pavlo S., Rehammar, Robert, Glazunov, Andres Alayon, Ivashina, Marianna V.

“…A novel type of hybrid measurement facility comprising a chamber antenna array (CAA) inside an overmoded waveguide (WG) is proposed and analyzed numerically…”
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A mm-Wave Phased-Array Fed Torus Reflector Antenna With ±30° Scan Range for Massive-MIMO Base-Station Applications by Elsakka, Amr, Farsaei, Amirashkan, van den Biggelaar, A. J., Reniers, Adrianus Cornelis Franciscus, Johansson, Martin N., Maaskant, Rob, Johannsen, Ulf, Iupikov, Oleg A., Smolders, A. Bart, Ivashina, Marianna V.

“…A phased-array fed reflector antenna system is presented which can be used for mm-wave base station applications. The proposed system is designed to support…”
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Characterization and Performance of an Ultra-Wideband Wide-Coverage Multimode MIMO Antenna by Prinsloo, David S., Alayon Glazunov, Andres, Maaskant, Rob, Ivashina, Marianna V., Kukush, Vitalii, Meyer, Petrie

“…A new ultra-wideband multimode (MM) antenna design that enables the detection/transmission of two orthogonal field components over a nearly hemispherical…”
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Modal-Based Design of a Wideband Quadruple-Ridged Flared Horn Antenna by Beukman, Theunis S., Meyer, Petrie, Ivashina, Marianna V., Maaskant, Rob

“…In this paper, a systematic design technique for quadruple-ridged flared horn antennas is presented, to enhance the radiation properties through the profiling…”
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5G RAN architecture based on analog radio-over-fiber fronthaul over UDWDM-PON and phased array fed reflector antennas by Konstantinou, Dimitrios, Bressner, Thomas A.H., Rommel, Simon, Johannsen, Ulf, Johansson, Martin N., Ivashina, Marianna V., Smolders, A. Bart, Tafur Monroy, Idelfonso

“…This manuscript introduces a 5G radio access network architecture concept based on ultra-dense wavelength division multiplexing (UDWDM) and incorporating an…”
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Multibeam Focal Plane Arrays With Digital Beamforming for High Precision Space-Borne Ocean Remote Sensing by Iupikov, Oleg A., Ivashina, Marianna V., Skou, Niels, Cappellin, Cecilia, Pontoppidan, Knud, van 't Klooster, Cornelis G. M.

“…The present-day ocean remote sensing instruments that operate at low microwave frequencies are limited in spatial resolution and do not allow for monitoring of…”
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Sparse Automotive MIMO Radar for Super-Resolution Single Snapshot DOA Estimation With Mutual Coupling by Amani, Navid, Jansen, Feike, Filippi, Alessio, Ivashina, Marianna V., Maaskant, Rob

“…A novel sparse automotive multiple-input multiple-output (MIMO) radar configuration is proposed for low-complexity super-resolution single snapshot…”
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High-Efficiency and Wideband Aperiodic Array of Uniformly Excited Slotted Waveguide Antennas Designed Through Compressive Sensing by Shi, Lei, Bencivenni, Carlo, Maaskant, Rob, Wettergren, Johan, Pragt, Johan, Ivashina, Marianna

“…A uniformly excited slotted waveguide (WG) antenna array for point-to-point communication is presented. The European Telecommunications Standards Institute…”
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