Technical Sessions

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Jacquelyn Vitaz
Raytheon Technologies
Suresh Venkatesh
North Carolina State Univ.
Location
201
Abstract

This session highlights innovations and techniques in integrated mm-wave and sub-THz hardware for advanced radar and sensing applications.

Abstract
Tu1A-1: A Fully Integrated Ka-Band FMCW Radar SoC with Baseband Accelerator for Vital Signs Monitoring in 40-nm CMOS
Pengfei Diao, Chenyu Xu, Ning Jiang, Xiaofei Liao, Bo Wang, Peng Zhang, Ning Zhang, Yang Li, Qisong Wu, Dixian Zhao
Southeast Univ., Southeast Univ., Southeast Univ., Southeast Univ., Purple Mountain Laboratories, Southeast Univ., Purple Mountain Laboratories, Purple Mountain Laboratories, Southeast Univ., Southeast Univ.
(08:00 - 08:20)
Abstract
Tu1A-2: A D-Band 1Tx 4Rx Mid-Range Automotive CMOS FMCW Radar
Seuk-Won Kang, Dong-Yeol Yang, Jeong-Bae Yoon, Jae-Hyun Park, Ye-Ju Han, Seungyeon Kim, Reem Song, Kang-In Lee, Byung-Sung Kim
Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Hyundai Motor Group, Sungkyunkwan Univ.
(08:20 - 08:40)
Abstract
Tu1A-3: An 120GHz 8×8 FMCW MIMO Radar System With 90° Biaxial FOV for Autonomous Navigation of UAVs in 3-D Space
Tobias Welling, David Starke, Christian Bredendiek, Valentina Palazzi, Tobias T. Braun, Nils Pohl
Ruhr-Universität Bochum, Fraunhofer IMS, Fraunhofer FHR, Università di Perugia, Ruhr-Universität Bochum, Ruhr-Universität Bochum
(08:40 - 09:00)
Abstract
Tu1A-4: A 94GHz 8Tx-16Rx Direct Center-Fed Active Array TD-MIMO FMCW Radar in 28-nm CMOS
Dong-Yeol Yang, Seuk-Won Kang, Jae-Hyun Park, Jeong-bae Yoon, Seung-Yeon Kim, Jae-Won Lee, Hyun-Hwan Choi, Byung-Sung Kim
Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ., Sungkyunkwan Univ.
(09:00 - 09:20)
Abstract
Tu1A-5: Radar-Based Measurement of Image Rejection Ratio in Sub-THz Hartley Receivers with its Impact on Doppler Detection Accuracy
Chinmaya Tripathy, Hsiang-En Wang, Yun-Tang Li, Tzyy-Sheng Horng, Wei-Chih Su
National Sun Yat-sen Univ., National Sun Yat-sen Univ., National Sun Yat-sen Univ., National Sun Yat-sen Univ., National Sun Yat-sen Univ.
(09:20 - 09:40)
Shreyas Sen
Purdue Univ.
Edward Niehenke
Niehenke Consulting
Location
208
Abstract

This session covers innovations in high-speed wired and wireless links. The first paper presents 3-level ASK modulator for a 15Gb/s wired link. The final 3 papers present wireless communication from an efficient V-bank transmitter to receiver-assisted transmitter linearization and a joint communication and sensing platform.

Abstract
Tu1B-1: Double HOOK: A 140 GHz 15 Gb/s Reconfigurable 3-Level ASK Modulator with Constant Input Impedance for High-Speed Connectivity
Haoling Li, Kyle Richard, Duschia Bodet, Najme Ebrahimi
Northeastern University, Keysight Technologies, Northeastern University, Northeastern University
(08:00 - 08:20)
Abstract
Tu1B-2: A V-Band OOK Transmitter with 14.5Gbps Data Rate and 11.1% DC-to-RF Efficiency in 65nm CMOS
Yi Wu, Junhong Liu, Guangyin Feng, Zhe Yang, Rongbin Liu, Shaoxian Li, Chuang Hu, Xiuyin Zhang
SCUT, SCUT, SCUT, SCUT, SCUT, SCUT, CAS, SCUT
(08:20 - 08:40)
Abstract
Tu1B-3: A Receiver-Assisted Joint Linearization Scheme for U6G Uplink Coverage Enhancement
Qirui Ma, Yuyang Xiong, Mengyao Zhang, Xiaozheng Wei, Ying Liu
UESTC, UESTC, UESTC, UESTC, UESTC
(08:40 - 09:00)
Abstract
Tu1B-4: Hardware-Software Platform Enabling Joint Communication and Radar Sensing at 25GHz with 1GHz Bandwidth
Sandra George, Padmanava Sen, Mehrab Ramzan, Muhammad Umar, Yash Richhariya, Jan Adler, Corrado Carta
Barkhausen Institut, Barkhausen Institut, Barkhausen Institut, Barkhausen Institut, Barkhausen Institut, Barkhausen Institut, IHP
(09:00 - 09:20)
Siva Yegnanarayanan
MIT Lincoln Laboratory
Jonathan Comeau
BAE Systems
Location
210
Abstract

This session discusses practical realizations of state-of-the-art microwave photonics systems and integrated circuits. The session begins with a multi-static, multi-band photonics MIMO radar. An ultra-low phase noise opto-electronic frequency synthesizer is covered next followed by a multi-channel microwave photonic transmitter for RoF applications. The session is concluded with two papers discussing integrated photonic circuits.

Abstract
Tu1C-1: Field Trial of a Coastal Surveillance System Exploiting a Multistatic Multiband Photonics-Based Radar in Coherent Sparse MIMO Configuration
Mirco Scaffardi, Filippo Scotti, Antonio Malacarne, Malik Muhammad Haris Amir, Salvatore Maresca, Paolo Ghelfi, Antonella Bogoni
CNIT, CNIT, CNIT, Scuola Superiore Sant’Anna, CNR-IEIIT, CNIT, CNIT
(08:00 - 08:20)
Abstract
Tu1C-2: Ultra-Low Phase Noise Frequency Synthesis Using Electro-Optic Detector-Based Comb-Microwave Synchronization
Vijayalakshmi Surendranath-Shroff, Meysam Bahmanian, J. Christoph Scheytt
Universität Paderborn, Universität Paderborn, Universität Paderborn
(08:20 - 08:40)
Abstract
Tu1C-3: Multi-Channel Integrated Microwave Photonic Transmitter for Radio-over-Fiber Systems
Valentina Gemmato, Filippo Scotti, Luca Rinaldi, Paolo Ghelfi, Antonella Bogoni
Scuola Superiore Sant’Anna, CNIT, CNIT, CNIT, Scuola Superiore Sant’Anna
(08:40 - 09:00)
Abstract
Tu1C-4: A 22nm CMOS 15–25GHz Dual-Differential Driver for RF Silicon Photonic Front-End
Yu-Lun Luo, Dharma Paladugu, Christi Madsen, Kamran Entesari, Samuel Palermo
Texas A&M Univ., Texas A&M Univ., Texas A&M Univ., Texas A&M Univ., Texas A&M Univ.
(09:00 - 09:20)
Abstract
Tu1C-5: Programmable Microwave Photonic Processor in the Thin-Film Lithium Niobate Platform
Chuangchuang Wei, Kaixuan Ye, David Marpaung
Universiteit Twente, Universiteit Twente, Universiteit Twente
(09:20 - 09:40)
Gayle Collins
Obsidian Microwave
Yulong Zhao
Skyworks
Location
211
Abstract

This session focuses on recent advances in Doherty power amplifiers. This load modulation technology is pushed to higher frequencies above 7GHz, higher output power, extended power back-off range, and unprecedented instantaneous bandwidth for emerging wireless infrastructure.

Abstract
Tu1D-1: KEYNOTE: Load Modulated Power Amplifiers for Wireless Infrastructure
Rui Hou
Ericsson
(08:00 - 08:20)
Abstract
Tu1D-2: A 7GHz High Efficiency GaN Doherty Power Amplifier Module for 5G Massive MIMO Base-Stations
Shuichi Sakata, Kento Saiki, Yuta Fuchibe, Katsuya Kato, Hitoshi Kurusu, Yoshinobu Sasaki, Shintaro Shinjo
Mitsubishi Electric, Mitsubishi Electric, Mitsubishi Electric, Mitsubishi Electric, Mitsubishi Electric, Mitsubishi Electric, Mitsubishi Electric
(08:20 - 08:40)
Abstract
Tu1D-3: A 90W High-Efficiency Four-Way Doherty Power Amplifier with 37.8% Fractional Bandwidth Over a 15dB Power Back-Off Range
Lei Zhou, Lianbo Liu, Marco Pelk, Abdul Raheem Qureshi, Leo C.N. de Vreede
Technische Universiteit Delft, Technische Universiteit Delft, Technische Universiteit Delft, Technische Universiteit Delft, Technische Universiteit Delft
(08:40 - 09:00)
Abstract
Tu1D-4: A 400W Symmetric Doherty Power Amplifier Covering 1.8–2.7GHz
Paul Saad, Mats Helgöstam, Rui Hou
Ericsson, Ericsson, Ericsson
(09:00 - 09:20)
Joseph C. Bardin
Google
Abbas Omar
OvG Universität Magdeburg
Location
215
Abstract

This session covers advances in microwave technologies related to quantum computing. The session begins with two papers relevant to quantum computing readout. First a cryo-CMOS single-sideband upconverter is presented for qubit readout waveform generation and then the systematic design of parametric amplifiers using electromagnetic- and schematic-level simulations is described. Next, a wideband cryogenic VCO for use in qubit control/measurement systems is presented. This is followed by a description of research in cryogenic RF-over-fiber links. Finally, the session concludes with the presentation of a high-coherence architecture for packaging superconducting quantum processors.

Abstract
Tu1E-1: A Cryogenic Front-End Module Applied to Readout Two-Qubits with FDM Technology in Superconducting Quantum Computing System
Che-Hao Li, Chien-Nan Kuo, Chang-Sheng Chen, Shyh-Shyuan Sheu, Chii-Dong Chen, Po-Yuan Hsu, Li-Chieh Hsiao, Li-Wei Chang
ITRI, NYCU, ITRI, ITRI, Academia Sinica, ITRI, Academia Sinica, Academia Sinica
(08:00 - 08:20)
Abstract
Tu1E-2: Modeling Josephson Traveling-Wave Parametric Amplifiers with Electromagnetic and Circuit Co-Simulation
Likai Yang, Jennifer Wang, Mohamed Awida Hassan, Philip Krantz, Kevin P. O’Brien
Keysight Technologies, MIT, Keysight Technologies, Keysight Technologies, MIT
(08:20 - 08:40)
Abstract
Tu1E-3: A Cryogenic Push-Pull Class-C Dual-Mode VCO with 72%-Tuning Range for Quantum Applications
Teng-Shen Yang, Yi-Chieh Chou, Liang-Hung Lu
National Taiwan Univ., National Taiwan Univ., National Taiwan Univ.
(08:40 - 09:00)
Abstract
Tu1E-4: A Photonic Link at 4.7K with >1GHz Bandwidth Towards an Optical Quantum Computing Interface
Santosh Mutum, Patrick Vliex, Jonas Bühler, Dennis Nielinger, Mario Schlösser, Stefan van Waasen
Forschungszentrum Jülich, Forschungszentrum Jülich, Forschungszentrum Jülich, Forschungszentrum Jülich, Forschungszentrum Jülich, Forschungszentrum Jülich
(09:00 - 09:20)
Abstract
Tu1E-5: A Demonstration of Multi-Floating Superconducting Qubits on a 3D Flip-Chip Platform with TLS Loss Mitigation via Apertures
Zhen Luo, Thomas Mayer, Daniela Zahn, Carla Moran Guizan, Johannes Weber, Simon Lang, Hannes Bender, Luis Schwarzenbach, Lars Nebrich, Rui Pereira, Amelie Hagelauer
Technische Univ. München, Fraunhofer EMFT, Fraunhofer EMFT, Fraunhofer EMFT, Fraunhofer EMFT, Fraunhofer EMFT, Fraunhofer EMFT, Fraunhofer EMFT, Fraunhofer EMFT, Fraunhofer EMFT, Technische Univ. München
(09:20 - 09:40)
Ifana Mahbub
Univ. of Texas at Dallas
Dieff Vital
Univ. of Illinois at Chicago
Location
216
Abstract

In this session, various novel Wireless Power Transfer (WPT) systems for smart cities and biomedical applications will be highlighted, with an emphasis on energy efficiency, beam-steering, and miniaturized design. Featured contributions include innovations such as broad-beam equiconvex lens-integrated mm-wave harvester for 5G-powered environments, time-multiplexed beam-steering antenna array for programmable RF powering of CMOS brain implants, and supply voltage modulation method to address efficiency degradation. Additional advances include flexible rectennas for ambient RF energy harvesting in IoT applications and single-ended capacitive WPT circuit for artificial retina systems. Collectively, these breakthroughs pave the way for sustainable and efficient WPT solutions across diverse applications.

Abstract
Tu1F-1: Transforming 5G Wireless Power Harvesting: A Broadbeam Equiconvex Lens-Integrated mmWave Harvester for Smart City Environments
Marvin Joshi, Kexin Hu, Charles Lynch, Manos Tentzeris
Georgia Tech, Georgia Tech, Georgia Tech, Georgia Tech
(08:00 - 08:20)
Abstract
Tu1F-2: Time-Multiplexed Beam-Steering Antenna Arrays for Programmable-Coverage RF Powering of mm-Scale CMOS Brain Implants
Mohammad Abdolrazzaghi, Roman Genov, George Eleftheriades
Univ. of Toronto, Univ. of Toronto, Univ. of Toronto
(08:20 - 08:40)
Abstract
Tu1F-3: A Highly Efficient Design of Triple-Band Flexible Rectenna for Ambient RF Energy Harvesting in Passive IoT Applications
Dunyu Chang, Jinling Zhang
BUPT, BUPT
(08:40 - 09:00)
Abstract
Tu1F-4: Power Receiving Circuit Design of Single-Ended Biological Capacitive WPT for Artificial Retina System
Koyuki Makabe, Ryubi Aoyama, Yasumasa Naka, Masaya Tamura
Toyohashi University of Technology, Toyohashi University of Technology, Toyohashi University of Technology, Toyohashi University of Technology
(09:00 - 09:20)
Abstract
Tu1F-5: Overcoming Efficiency Degradation in Wireless Power Transfer Systems: A Supply Voltage Modulation Method Empowered by 5.64-GHz 256-Element Antenna Array Receiving 10.6-Watt
Taeyeong Yoon, Young-Seok Lee, Minje Kim, Sanghun Lee, Jaesup Lee, Sangwook Nam, Jungsuek Oh
Seoul National Univ., Seoul National Univ., Seoul National Univ., Seoul National Univ., SAIT, Seoul National Univ., Seoul National Univ.
(09:20 - 09:40)

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Nils Pohl
Ruhr-Universität Bochum
Fabian Lurz
OvG Universität Magdeburg
Location
201
Abstract

This session presents recent developments in mm-wave wireless systems for sensing and communication. Advanced techniques for MIMO radar, three-dimensional radar imaging, radar networks, and joint sensing and communication are presented through six detailed presentations.

Abstract
Tu2A-1: Frequency-Spatial Adaptive Digital Beamforming Technique for Range-Angle Decoupling With High-Resolution MIMO Radar
Jiayu Zhang, Yuchen Li, Zhiwei Zhang, Changzhan Gu, Junfa Mao
SJTU, SJTU, SJTU, SJTU, SJTU
(10:10 - 10:30)
Abstract
Tu2A-2: High-Resolution 3D Radar Imaging with Silicon-Micromachined Sub-THz Frequency-Diverse Antennas
M. Reza Seidi, Joachim Oberhammer
KTH, KTH
(10:30 - 10:50)
Abstract
Tu2A-3: Clutter-Based Wireless Localization in Distributed Radar Networks with Repeaters
Shivani Sharma, Tasin Nusrat, Stavros Vakalis
Univ. of South Florida, Univ. of South Florida, Univ. of South Florida
(10:50 - 11:10)
Abstract
Tu2A-4: Joint 4D Radar and Communication System Enabled by Virtual Transceiver Matrix Architecture for Advanced Automotive Sensing and Connectivity
Seyed Ali Keivaan, Pascal Burasa, Ke Wu
Polytechnique Montréal, Polytechnique Montréal, Polytechnique Montréal
(11:10 - 11:30)
Abstract
Tu2A-5: Three-Dimensional Fourier Domain Millimeter-Wave Imaging Using Incoherent Active Illumination and Pulse Compression
Jorge R. Colon-Berrios, Jason M. Merlo, Jeffrey A. Nanzer
Michigan State Univ., Michigan State Univ., Michigan State Univ.
(11:30 - 11:40)
Abstract
Tu2A-6: Repeater-Aided Millimeter-Wave MIMO Radar for Improved Detection of Specular Targets
Tasin Nusrat, Stavros Vakalis
Univ. of South Florida, Univ. of South Florida
(11:40 - 11:50)
Dieff Vital
Univ. of Chicago
Rashaunda Henderson
Univ. of Texas at Dallas
Location
208
Abstract

This session focuses on MHz-to-THz technology for human body communication and other sensing applications. The keynote discusses field interactions in the human body and the second paper demonstrates the human body power transfer. A novel technique to improve underwater communication is presented in the fourth paper and the session concludes using a W-band FMCW radar for smart smoke detection.

Abstract
Tu2B-1: KEYNOTE: Interaction of EM-Fields with Human Body for Efficient Communication: Body as a Wire and Body as a Transmission-Line
Shreyas Sen
Ixana
(10:10 - 10:30)
Abstract
Tu2B-2: 60 Mbps Time-Domain Video Transfer Using Body Communication
Gourab Barik, Samyadip Sarkar, Shreyas Sen
Purdue Univ., Purdue Univ., Purdue Univ.
(10:30 - 10:50)
Abstract
Tu2B-3: Body-Resonance Human Body Powering
Samyadip Sarkar, Lingke Ding, Shreyas Sen
Purdue Univ., Purdue Univ., Purdue Univ.
(10:50 - 11:10)
Abstract
Tu2B-4: Enhanced Channel Capacity Underwater Multi-Diver Communication with Dual-Resonant Magnetoquasistatic Coupling
Sukriti Shaw, David Yang, Gourab Barik, Shreyas Sen
Purdue Univ., Purdue Univ., Purdue Univ., Purdue Univ.
(11:10 - 11:30)
Abstract
Tu2B-5: Intelligent Smoke Detection: State Recognition and Monitoring of Heating Processes Using FMCW Radar and Data-Driven Algorithms
Francesca Schenkel, Robin Schmitz, Christoph Baer, Jan Barowski, Ilona Rolfes, Christian Schulz
Ruhr-Universität Bochum, Ruhr-Universität Bochum, Ruhr-Universität Bochum, Ruhr-Universität Bochum, Ruhr-Universität Bochum, Ruhr-Universität Bochum
(11:30 - 11:50)
Mona Jarrahi
Univ. of California, Los Angeles
Steven M. Bowers
Univ. of Virginia
Location
210
Abstract

This session discusses photonically enabled THz sources, detectors, novel integration techniques as well as systems for applications ranging from communication to sensing.

Abstract
Tu2C-1: Monolithically Integrated Optoelectronic Terahertz Sources and Detectors on Quantum Well PIN Substrates
Yifan Zhao, Shahed-E- Zumrat, Mona Jarrahi
Univ. of California, Los Angeles, Univ. of California, Los Angeles, Univ. of California, Los Angeles
(10:10 - 10:30)
Abstract
Tu2C-2: On-Chip Photonic THz Emitter with Integrated InGaAs UTC-PD and 2×2 MPA Array on SiC Substrate
Ming Che, Yoshiki Kamiura, Ryo Doi, Kazutoshi Kato
Kyushu Univ., Kyushu Univ., Kyushu Univ., Kyushu Univ.
(10:30 - 10:50)
Abstract
Tu2C-3: An Ultra-Low-Noise 600–700GHz Heterodyne Terahertz Receiver for Ground-Based Astronomy Observations
Joseph J. Hwang, Szu-An Tsao, Mona Jarrahi
Univ. of California, Los Angeles, Univ. of California, Los Angeles, Univ. of California, Los Angeles
(10:50 - 11:10)
Abstract
Tu2C-4: High Sensitivity W-Band LEKID-Based On-Chip Polarimeter
M.C. de Ory, V. Rollano, M. Calvo, D. Rodriguez, A. Pascual Laguna, U. Chowdhury, F. Levy-Bertrand, M.T. Magaz, B. Aja, L.M. de la Fuente, D. Granados, J. Martin-Pintado, A. Monfardini, A. Gomez
Centro de Astrobiología, Centro de Astrobiología, Institut Néel (UPR 2940), Centro de Astrobiología, Centro de Astrobiología, Institut Néel (UPR 2940), Institut Néel (UPR 2940), Centro de Astrobiología, Universidad de Cantabria, Universidad de Cantabria, IMDEA Nanociencia, Centro de Astrobiología, Institut Néel (UPR 2940), Centro de Astrobiología
(11:10 - 11:30)
Abstract
Tu2C-5: 100-Gbps Fiber-Terahertz System in 330-GHz Band Using Stable Transmitter and Simple Photonics-Enabled Receiver
Pham Tien Dat, Yuya Yamaguchi, Keizo Inagaki, Naokatsu Yamamoto, Norihiko Sekine, Kouichi Akahane
NICT, NICT, NICT, NICT, NICT, NICT
(11:30 - 11:50)
Charles F. Campbell
Qorvo
Anna Piacibello
Politecnico di Torino
Location
211
Abstract

This session includes several transmit components with over 10W of output power, including a decade-bandwidth 0.2–2GHz load-modulated balanced amplifier, several integrated Doherty PA modules and an E-mode dual-gate SPDT switch.

Abstract
Tu2D-1: RF-Input Doherty-Like Load-Modulated Balanced Amplifier with Decade Bandwidth Enabled by Novel Broadband 180-Degree Power Divider
Pingzhu Gong, Niteesh Bharadwaj Vangipurapu, Jiachen Guo, Kenle Chen
Univ. of Central Florida, Univ. of Central Florida, Univ. of Central Florida, Univ. of Central Florida
(10:10 - 10:30)
Abstract
Tu2D-2: An Integrated Doherty Power Amplifier Module Based on an Advanced GaN-on-Si HEMT Technology and a Wideband Power Combiner
Mustazar Iqbal, Ioannis Peppas, Marco Pitton, Peter Singerl
Infineon Technologies, Technische Universität Graz, Infineon Technologies, Infineon Technologies
(10:30 - 10:50)
Abstract
Tu2D-3: System-in-Package Doherty Power Amplifier Using Hybrid LDMOS/GaN Line-Up for 5G Macro Driver Applications
Alexis Courty, Kaisseh Houssein, Walid Rili, Christophe Quindroit, Mariano Ercoli, Stephan Maroldt
Ampleon, Ampleon, Ampleon, Ampleon, Ampleon, Ampleon
(10:50 - 11:10)
Abstract
Tu2D-4: 10 Watt CW Power Handling SPDT RF Switch Using E-Mode p-GaN Dual-Gate HEMT Technology
Hsien-Chin Chiu, Chia-Han Lin, Chia-Hao Yu, Chong-Rong Huang, Hsuan-Ling Kao, Hsiang-Chun Wang, Po-Tsung Tu, Barry Lin
Chang Gung Univ., Chang Gung Univ., Chang Gung Univ., Chang Gung Univ., Chang Gung Univ., ITRI, ITRI, Wavetek Microelectronics
(11:10 - 11:30)
Arnaldo S.R. Oliveira
Universidade de Aveiro
Sensen Li
Univ. of Texas at Austin
Location
215
Abstract

This session showcases advances in the intersection between AI and RF systems. Highlights include AI-enabled device-level modeling and characterization, power amplifier digital predistortion, and system-level transceiver optimization.

Abstract
Tu2E-1: An Embedded-Structured Convolutional Neural Network for Efficient RF Device Behavior Model Extraction
Jiahao Wang, Jiangtao Su, Haode Li, Tangyu Fu, Yuxiu Tong, Kuiwen Xu, Wenjun Li
Hangzhou Dianzi University, Hangzhou Dianzi University, Hangzhou Dianzi University, Hangzhou Dianzi University, Hangzhou Dianzi University, Hangzhou Dianzi University, Hangzhou Dianzi University
(10:10 - 10:30)
Abstract
Tu2E-2: DeltaDPD: Exploiting Dynamic Temporal Sparsity in Recurrent Neural Networks for Energy-Efficient Wideband Digital Predistortion
Yizhuo Wu, Yi Zhu, Kun Qian, Qinyu Chen, Anding Zhu, Radjindrepersad Gajadharsing, Leo de Vreede, Chang Gao
Technische Universiteit Delft, Ampleon, Technische Universiteit Delft, Universiteit Leiden, Univ. College Dublin, Ampleon, Technische Universiteit Delft, Technische Universiteit Delft
(10:30 - 10:50)
Abstract
Tu2E-3: Enhancing Digital Predistortion Performance Under Load Mismatch Using a VSWR Generative Neural Network Simulator
Erez Loebl, Nimrod Ginzberg, Emanuel Cohen
Technion, Tel Aviv University, Technion
(10:50 - 11:10)
Abstract
Tu2E-4: Recurrent Neural Network Modeling of Radio Frequency Amplifiers for System-Level Simulation and Design
Joshua Corsello, Alan Preciado-Grijalva, Sergey Shaboyan, Kevin Wray, Lavanya Rau, Daniel Kultran
Epirus, Epirus, Epirus, Epirus, Epirus, Epirus
(11:10 - 11:20)
Abstract
Tu2E-5: Calibration of Wideband Multiport Junction Receivers Using Memory-Polynomial-Informed Neural Network
Lojain Syed, Khurram Khan, Saad Qayyum, Mohsin Tarar, Renato Negra
PAF IAST, PAF IAST, PAF IAST, University of Chakwal, RWTH Aachen Univ.
(11:20 - 11:30)
Abstract
Tu2E-6: AdaAFE-CIM: A Hardware Implementation of Subspace Tracking for Adaptive Radar Data Compression
Alex Saad-Falcon, Wei-Chun Wang, Laith Shamieh, Jinhyeok Park, Xiangyu Mao, Saibal Mukhopadhyay, Justin Romberg
Georgia Tech, Georgia Tech, Georgia Tech, Georgia Tech, Georgia Tech, Georgia Tech, Georgia Tech
(11:30 - 11:50)
Jasmin Grosinger
Technische Universität Graz
Nuno Carvalho
Universidade de Aveiro
Location
216
Abstract

This session delves into cutting-edge innovations in RF rectifier design, showcasing advances that push the boundaries of efficiency, dynamic range, and compact integration for Wireless Power Transfer (WPT) systems. Presentations will explore novel techniques such as impedance splitting, compression networks, harmonic suppression, and resonance enhancements to achieve superior RF-to-DC conversion efficiencies. Join us to explore how these developments enable scalable, high-performance WPT solutions for emerging applications.

Abstract
Tu2F-1: A Differential Rectifier Design Based on Impedance Splitting and Compression Technique for Achieving > 70% ηRF-DC Over 13dBm Input Dynamic Power Range
Rafsan Mahin, Ifana Mahbub
Univ. of Texas at Dallas, Univ. of Texas at Dallas
(10:10 - 10:30)
Abstract
Tu2F-2: High-Power Quasi-Vertical GaN Schottky Barrier Diode RF Rectifier Based on Impedance Compression Network for WPT Applications
Xiaochen Yu, Ya-Xun Lin, Jiafeng Zhou, Ta-Jen Yen, Ivona Z. Mitrovic, Yi Huang, Yejun He, Chaoyun Song
University of Liverpool, University of Liverpool, University of Liverpool, National Tsing Hua Univ., University of Liverpool, University of Liverpool, Shenzhen Univ., Shenzhen Univ.
(10:30 - 10:50)
Abstract
Tu2F-3: 1.9GHz–4.1GHz CMOS Rectifier with Over 48% Efficiency Using Inductive Feedback and CRT Reduction for Beamforming WPT
Babita Gyawali, Willy Jordan, Ramesh K. Pokharel, Adel Barakat
Kyushu Univ., Kyushu Univ., Binghamton Univ., Kyushu Univ.
(10:50 - 11:10)
Abstract
Tu2F-4: 27-GHz Silicon-Integrated Rectenna Based on Novel Multilayer Substrate
S. Trovarello, M. Aldrigo, D. Vasilache, C. Parvulescu, D. Masotti, M. Dragoman, A. Costanzo
Univ. of Bologna, IMT Bucharest, IMT Bucharest, IMT Bucharest, IMT Bucharest, IMT Bucharest, Univ. of Bologna
(11:10 - 11:30)
Abstract
Tu2F-5: Compact Design of Highly-Efficient Dual-Band Voltage Doubler Rectifier by Using Second-Harmonics Suppression for Wireless Power Transfer
Gia Thang Bui, Hieu Trung Vu, Dang-An Nguyen, Kyusik Woo, Won Ho Jang, Chulhun Seo
Soongsil Univ., Soongsil Univ., Soongsil Univ., Soongsil Univ., Korea Radio Promotion Association, Soongsil Univ.
(11:30 - 11:50)

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Jan Wessel
Fraunhofer FHR
Christian Damm
Universität Ulm
Location
201
Abstract

This scientific session will delve into cutting-edge technologies and methodologies in biomedical applications, focusing on devices and systems for medical imaging and diagnostics. Key topics will include the latest advances in magnetic resonance imaging, which enhance imaging resolution and improve patient experience; dielectric spectroscopy for non-invasive tissue characterization; advanced thermometry techniques that enable precise temperature monitoring in therapeutic environments; and the development of resonant microwave biosensors for rapid and sensitive biomolecular detection. We will explore innovative concepts that bridge engineering and medicine, fostering interdisciplinary collaboration aimed at improving patient outcomes and advancing healthcare technologies.

Abstract
Tu3A-1: Passive Subcutaneous Microwave Thermometry with Spatial Pattern Diversity
Jooeun Lee, Zoya Popovic
Univ. of Colorado, Univ. of Colorado
(13:30 - 13:50)
Abstract
Tu3A-2: Advanced Immunoassay Detection Using Microwave Whispering Gallery Mode Resonators
S. Gigoyan, M.R. Nezhad-Ahmadi, A. Charchoglyan, A. Abrahamyan
mmSense Technologies, mmSense Technologies, ImmunoCeutica, ImmunoCeutica
(13:50 - 14:10)
Abstract
Tu3A-3: Numerical Testbench for a priori Uncertainty Estimation of Dielectric Spectroscopy in Organ-on-Chip Devices
T.B. Hosman, E. Shokrolahzade, M. Mastrangeli, M. Spirito
Technische Universiteit Delft, Technische Universiteit Delft, Technische Universiteit Delft, Technische Universiteit Delft
(14:10 - 14:30)
Abstract
Tu3A-4: A 0.3dB-NF SiGe LNA Array for 10.5T Multi-Channel MRI Receivers
Alireza Rouhafza, Russell L. Lagore, Gregor Adriany, Kamil Ugurbil, Yahya Tousi
Univ. of Minnesota, Univ. of Minnesota, Univ. of Minnesota, Univ. of Minnesota, Univ. of Minnesota
(14:30 - 14:50)
Abstract
Tu3A-5: Resonance Frequency Retuning System for Flexible MRI Coils
Folk Narongrit, Thejas Vishnu Ramesh, Joseph V. Rispoli
Purdue Univ., Purdue Univ., Purdue Univ.
(14:50 - 15:00)
Abstract
Tu3A-6: Fano-Resonance-Based THz Metasurface for Psoriasis Skin Detection
Haiying Lu, Chenxi Liu, Xian Zhang, Fei Yang, Yanting Wen
Southeast Univ., Southeast Univ., Nanjing Univ., Southeast Univ., Nanjing Univ.
(15:00 - 15:10)
Negar Reiskarimian
MIT
Nizar Messaoudi
Keysight Technologies
Location
208
Abstract

This session presents five cutting-edge papers showcasing recent advances in sub-THz and mm-wave phased array systems. The first paper introduces a 150GHz AiP phased array module, highlighting its innovative design and performance. The second paper explores a 28GHz monolithic heterogeneous integrated GaN and Si beamformer, emphasizing its integration. The third paper discusses a 4x4 Butler matrix-based switched beamformer, detailing its architecture and application. The fourth paper presents a novel body proximity detection technique utilizing reflections from a mm-wave phased array, demonstrating its potential in various applications. The final paper describes linearization techniques for a dual-band near-field probing approach, showcasing significant improvements in performance.

Abstract
Tu3B-1: 150GHz-Band Compact Phased-Array AiP Module for XR Applications toward 6G
Yohei Morishita, Ken Takahashi, Ryosuke Hasaba, Akihiro Egami, Tomoki Abe, Masatoshi Suzuki, Tomohiro Murata, Yoichi Nakagawa, Yudai Yamazaki, Sunghwan Park, Takaya Uchino, Chenxin Liu, Jun Sakamaki, Takashi Tomura, Hiroyuki Sakai, Hiroshi Taneda, Kei Murayama, Yoko Nakabayashi, Shinsuke Hara, Issei Watanabe, Akifumi Kasamatsu, Kenichi Okada, Koji Takinami
Panasonic, Panasonic, Panasonic, Panasonic, Panasonic, Panasonic, Panasonic, Panasonic, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Shinko Electric Industries, Shinko Electric Industries, Shinko Electric Industries, NICT, NICT, NICT, Science Tokyo, Panasonic
(13:30 - 13:50)
Abstract
Tu3B-2: A 28GHz Beamformer Element Demonstration Using Monolithically Integrated GaN and Si Transistors in 300mm GaN-on-Si Technology
Qiang Yu, Ibukunoluwa Momson, Ali Farid, Georgios Dogiamis, Samuel Bader, Sing-Wai Tang, Jeffrey Garrett, Derek Thomson, Linli Xie, Marko Radosavljevic, Heli Vora, Michael Beumer, Marc Tiebout, Gerhard Knoblinger, Said Rami, Han Wui Then
Intel, Intel, Intel, Intel, Intel, Intel, Intel, Intel, Intel, Intel, Intel, Intel, Intel, Intel, Intel, Intel
(13:50 - 14:10)
Abstract
Tu3B-3: Ka-Band 4×4 Butler Matrix-Based Switched Beamformer Supporting Uniform EIRP Beams in Single-/Dual-Port Excitations
Youngjoo Lee, Hongseok Choi, Dohoon Chun, Byung-Wook Min
Yonsei Univ., Yonsei Univ., Yonsei Univ., Yonsei Univ.
(14:10 - 14:30)
Abstract
Tu3B-4: Body Proximity Detection Based on Reflections of Multi-Antenna Uplink Transmission from a 5G Mobile Handset
Viduneth Ariyarathna, Oren Eliezer, Gennady Feygin, Wan Jong Kim, Pranav Dayal, Bhupinder Singh, Hou-Shin Chen
Samsung, Samsung, Samsung, Samsung, Samsung, Samsung, Samsung
(14:30 - 14:50)
Abstract
Tu3B-5: Dual-Band Near-Field Probing Antenna for Enhancing the Performance of Dual-Band Shared-Aperture Linear-Polarized Phased Antenna Arrays
Huixin Jin, Ahmed Ben Ayed, Slim Boumaiza
Univ. of Waterloo, Univ. of Waterloo, Univ. of Waterloo
(14:50 - 15:10)
Frederick H. Raab
Green Mountain Radio Research
Marc Franco
MACOM
Location
210
Abstract

Al Katz passed away on the morning of June 20, 2024, the day he had been scheduled to give a presentation at IMS'24. Today we remember Al Katz and his work on analog linearization. The session will begin with recollections by his widow Sally. Amateur radio was an important factor in Al's becoming an engineer, so we will next present his accomplishments as a radio amateur. Al's work on linearization led to the formation and growth of the Linearizer Technology Company, which will be the next topic of discussion. The fourth segment provides an overview of analog linearization and the current state-of-the-art. Finally, members of the audience will be encouraged to give their recollections of Al Katz.

Abstract
Tu3C-1: Recollections of Al Katz
Sally Katz
Linearizer Technology
(13:30 - 13:50)
Abstract
Tu3C-2: Al Katz and Amateur Radio
Marc Franco
MACOM
(13:50 - 14:10)
Abstract
Tu3C-3: History of Linearizer Technology, Inc.
Roger Dorval
MACOM
(14:10 - 14:30)
Abstract
Tu3C-4: Predistortion Linearization: Concepts, The State of the Art, and the Future
Christopher Tenev
MACOM
(14:30 - 14:50)
Abstract
Tu3C-5: Recollections of Al Katz
Various Various
Various
(14:50 - 15:10)
Hamed Rahmani
New York Univ.
Richard Al Hadi
ÉTS Montréal
Location
211
Abstract

This session explores new approaches for sub-THz and THz signal generation, spanning diverse technologies and architectures. The first paper presents a 4–240GHz InP variable-gain amplifier employing an analog-controlled input attenuation network for versatile performance tuning. Next, a 4–420GHz distributed amplifier MMIC in 20nm InGaAs-on-Si HEMT technology achieves 11±2dB of gain. A 280GHz sub-harmonic injection-locked oscillator in 45nm CMOS PD SOI demonstrates robust frequency generation. Finally, a 300GHz-band single-balanced resistive mixer module in 60nm InP HEMT features LO leakage suppression. Collectively, these designs pave the way for next-generation THz communication systems.

Abstract
Tu3D-1: A 4–240-GHz InP Variable-Gain Amplifier Using an Analog-Controlled Input Attenuation Network
Phat T. Nguyen, Viet-Anh Ngo, Nhat Tran, Natalie Wagner, Alexander Stameroff, Anh-Vu Pham
Univ. of California, Davis, Univ. of California, Davis, Univ. of California, Davis, Keysight Technologies, Keysight Technologies, Univ. of California, Davis
(13:30 - 13:50)
Abstract
Tu3D-2: A 4-420-GHz Distributed Amplifier MMIC in a 20-nm InGaAs-on-Si HEMT Technology With 11±2-dB Gain
Fabian Thome, Arnulf Leuther
Fraunhofer IAF, Fraunhofer IAF
(13:50 - 14:10)
Abstract
Tu3D-3: A 280GHz Sub-Harmonic Injection Locked Oscillator in 45nm CMOS PD SOI
Mehmet Aylar, Alexandre Siligaris, José-Luis Gonzalez Jimenez, Benjamin Blampey
CEA-LETI, CEA-LETI, CEA-LETI, CEA-LETI
(14:10 - 14:30)
Abstract
Tu3D-4: 300-GHz-Band Single-Balanced Resistive Mixer Module in 60-nm InP HEMT Technology with LO Leakage Suppressing Function
Teruo Jyo, Hiroshi Hamada, Takuya Tsutsumi, Daisuke Kitayama, Ibrahim Abdo, Munehiko Nagatani, Hiroyuki Takahashi
NTT, NTT, Osaka Metropolitan University, NTT, NTT, NTT, NTT
(14:30 - 14:50)
John Wood
Obsidian Microwave
Arvind Keerti
Qualcomm
Location
215
Abstract

This session contains 5 papers on analog predistortion focusing on very high frequency, MIMO systems, and circuit techniques including phase-cancellation, Doherty and Darlington power amplifier architectures.

Abstract
Tu3E-1: Experimental Demonstration of E-Band Tunable Analog Predistortion
Dhecha Nopchinda, Herbert Zirath, Marcus Gavell
Gotmic, Chalmers Univ. of Technology, Gotmic
(13:30 - 13:50)
Abstract
Tu3E-2: An Integrable Analog Domain Linearization Architecture for the Power Amplifiers in MIMO Systems
Xiaozheng Wei, Ying Liu, Wensheng Pan, Wanzhi Ma, Qiang Xu, Shihai Shao
UESTC, UESTC, UESTC, UESTC, UESTC, UESTC
(13:50 - 14:10)
Abstract
Tu3E-3: Simple Analog Pre-Distorter Design with Controllable AM/AM and AM/PM Distortion
Tsz-Wai Wendy Wong, Kwok-Keung Michael Cheng
CUHK, CUHK
(14:10 - 14:30)
Abstract
Tu3E-4: A GaAs HBT Doherty Power Amplifier with 31dBm Linear Output Power and 43% Efficiency by Using Dynamic IM3 Cancellation
Shihai He, Linjian Xu, Xuan Ding, Huan Chen, Hao Meng, Yongxue Qian
Beijing Onmicro Electronics, Beijing Onmicro Electronics, Univ. of California, Davis, Beijing Onmicro Electronics, Beijing Onmicro Electronics, Beijing Onmicro Electronics
(14:30 - 14:50)
Abstract
Tu3E-5: A High-Linearity Quasi-Darlington Amplifier with Sub-Degree AM-PM for WLAN Applications
Yudan Zhang, Kaixue Ma, Pengfei Li, Kejie Hu
Tianjin Univ., Tianjin Univ., Tianjin Univ., Tianjin Univ.
(14:50 - 15:10)
Thomas Ussmueller
B&E antec
Kazuya Yamamoto
Mitsubishi Electric
Location
216
Abstract

This session explores the integration of wireless sensors, RF selective surfaces, and innovative power harvesting techniques in the design of energy-efficient microwave and RF sensors.

Abstract
Tu3F-1: KEYNOTE: Driving Innovation in the RF and Microwave Industry Through Radio Astronomy
Sara Salem Hesari
NRC
(13:30 - 13:50)
Abstract
Tu3F-2: A Self-Sustaining Regenerative Amplifier Sensor Using Perfect Metamaterial Absorber for Liquid Concentration Prediction
Nazli Kazemi, Gunes Karabulut Kurt, Elham Baladi
Polytechnique Montréal, Polytechnique Montréal, Polytechnique Montréal
(13:50 - 14:10)
Abstract
Tu3F-3: Analysis and Design of a New Material Sensor Utilizing an Oscillator with a Self-Injection Loop
Camilo Moncada, Franco Ramírez, Almudena Suárez
Universidad de Cantabria, Universidad de Cantabria, Universidad de Cantabria
(14:10 - 14:30)
Abstract
Tu3F-4: Differential Frequency Selective Surface Sensor for Polymeric Coating Damage Detection Using Electromagnetically Shielded Reference Resonator
Vishal Balasubramanian, Mohammad H. Zarifi
Univ. of British Columbia, Univ. of British Columbia
(14:30 - 14:50)
Abstract
Tu3F-5: AoA Sensing Enabled Reconfigurable Intelligent Surface
Wei-Lun Hsu, Jia-Fang Deng, Shih-Kai Luo, Shih-Cheng Lin, Chia-Chan Chang, Sheng-Fuh Chang
National Chung Cheng Univ., National Chung Cheng Univ., National Chung Cheng Univ., National Chung Cheng Univ., National Chung Cheng Univ., National Chung Cheng Univ.
(14:50 - 15:00)
Abstract
Tu3F-6: A Hybrid CMOS-Polyimide Adaptive Force Radiometric Array with 3-5 GHz Wireless Connectivity
Amin Montazar, Xuyang Liu, Zhengyang Zhang, Hamidreza Aghasi
Univ. of California, Irvine, Univ. of California, Irvine, Univ. of California, Irvine, Univ. of California, Irvine
(15:00 - 15:10)

-

Davi V.Q. Rodrigues
Univ.of Texas at El Paso
Chung-Tse Michael Wu
Rutgers Univ.
Location
201
Abstract

Biomedical radar technology has the potential to transform patient monitoring and search and rescue applications. This session explores the state-of-the-art advances in high precision single and multiple subject detection and monitoring.

Abstract
Tu4A-1: Through-the-Wall Concurrent Vital Signs Monitoring of Three Subjects Using Single-Channel CW Radar and Independent Component Analysis
Shafkat Hossain, Sourav K. Pramanik, Oluwaseun Adekola, Shekh Md.M. Islam, Dieff Vital
University of Illinois Chicago, University of Dhaka, University of Illinois Chicago, University of Dhaka, University of Illinois Chicago
(15:40 - 16:00)
Abstract
Tu4A-2: Asynchronous Space-Time Coding Direct Antenna Modulation-Enabled Automated Beam-Scanning Multi-Target Vital Sign Radar Sensing
Shuping Li, Donglin Gao, Shaghayegh Vosoughitabar, Chung-Tse Michael Wu
Rutgers Univ., Rutgers Univ., Rutgers Univ., National Taiwan Univ.
(16:00 - 16:20)
Abstract
Tu4A-3: Accurate Doppler Cardiogram Sensing with Frequency-Domain Digital Beamforming Technique Based on a K-Band Biomedical Radar
Jiayu Zhang, Shuqin Dong, Yuchen Li, Yiyan Cao, Zhiwei Zhang, Changzhan Gu, Junfa Mao
SJTU, SJTU, SJTU, SJTU, SJTU, SJTU, SJTU
(16:20 - 16:40)
Abstract
Tu4A-4: Highly Sensitive Frequency- and Self-Injection-Locked Radar for Precise Vital Sign Detection
K.-C. Peng, C.-C. Mai You, S.-H. Lin, T.-S. Horng
NKUST, National Sun Yat-sen Univ., National Sun Yat-sen Univ., National Sun Yat-sen Univ.
(16:40 - 17:00)
Abstract
Tu4A-5: Moving Person Vital Sign Detection Using Four-Channel Phase- and Quadrature Self-Injection-Locked Radar and MPCA Method for Dynamic Clutter Immunity
Iou-Heng Chen, Ji-Xun Zhong, Ju-Yin Shih, Bo-You Lai, Fu-Kang Wang
National Sun Yat-sen Univ., National Sun Yat-sen Univ., National Sun Yat-sen Univ., National Sun Yat-sen Univ., National Sun Yat-sen Univ.
(17:00 - 17:20)
Najme Ebrahimi
Northeastern University
Tzu-Yuan Huang
ETH Zürich
Location
208
Abstract

This session explores advanced antenna and surface technologies addressing key challenges in next-generation wireless communication, including energy efficiency, adaptability, and sensing-communication integration. The session includes a first paper for shape estimation and beam correction in flexible phased arrays, followed by a dual-polarized true-time-delay-based Reconfigurable Intelligent surface (RIS), chirp-based beamwidth control in RIS for mm-wave systems, and a multi-feed active antenna module achieving reconfigurable polarization. Additional presentations feature a 2-bit RIS enabling polarization-based sensing and communication, a liquid crystal-based RIS with energy-efficient bias pulse technology. Together, these innovations demonstrate transformative potential in reconfigurable systems for future wireless networks.

Abstract
Tu4B-1: Shape estimation and pattern correction of flexible phased arrays using local curvature measurements
Yair Dashevsky, Matan Gal-Katziri
Ben-Gurion University of the Negev, Ben-Gurion University of the Negev
(15:40 - 16:00)
Abstract
Tu4B-2: A 2:1 Bandwidth 3–6GHz Dual-Polarized True-Time-Delay Based Reconfigurable Intelligent Surface (RIS)
Jurui Qi, Jacob Drewniak, Tian Liang, Gabriel M. Rebeiz
Univ. of California, San Diego, Univ. of California, San Diego, Univ. of California, San Diego, Univ. of California, San Diego
(16:00 - 16:20)
Abstract
Tu4B-3: Chirp Sequence-Based Beamwidth Control in a Reconfigurable Intelligent Surface
Akira Ebihara, Akira Kumagai, Osamu Kagaya, Hiroyuki Morikawa, Yoshiaki Narusue
Univ. of Tokyo, AGC, AGC, Univ. of Tokyo, Univ. of Tokyo
(16:20 - 16:40)
Abstract
Tu4B-4: Enhanced EIRP and Reconfigurable Polarization Multi-Feed Active Antenna Module for Millimeter-Wave Beamforming Phased Arrays
Bernard Tung, Mohammad Abdollah Chalaki, Ahmed Ben Ayed, Huixin Jin, Slim Boumaiza
Univ. of Waterloo, Univ. of Waterloo, Univ. of Waterloo, Univ. of Waterloo, Univ. of Waterloo
(16:40 - 17:00)
Abstract
Tu4B-5: Integrated Sensing and Communication Using Reconfigurable Intelligent Surface: Hardware, Ray-Tracing Demonstration, and Channel Measurement in the 6G Mid Band
Hogyeom Kim, Hyunjun Yang, Hooyoung Kim, Jungsuek Oh
Seoul National Univ., Seoul National Univ., Seoul National Univ., Seoul National Univ.
(17:00 - 17:10)
Abstract
Tu4B-6: Low Power Consumption and Beam-Sustainable Reconfigurable Intelligent Surface for Fixed Wireless Communication at Millimeter-Wave 5G Band
Hogyeom Kim, Seongwoog Oh, Jeongtaek Oh, Jungsuek Oh
Seoul National Univ., Kwangwoon Univ., Seoul National Univ., Seoul National Univ.
(17:10 - 17:20)
Robert H. Caverly
Villanova Univ.
Frederick Raab
Green Mountain Radio Research
Location
210
Abstract

This session features the latest developments in the production of RF power at frequencies up to 1GHz. The session begins with a survey of transistors for production of 1kW or more of RF power. Next the session addresses operation over wide bandwidths with both ferrite-loaded baluns and continuous-mode operation of an amplifier. Techniques for driving switching-mode power amplifiers and for directly interfacing high-efficiency amplifiers to antennas are described. Finally, the session includes a comparison of EER and Doherty techniques for high-efficiency operation at VHF.

Abstract
Tu4C-1: KEYNOTE: Advancements in RF High Power Supply Chain and Ecosystem Enabling Transition from Vacuum Electron Devices to Multi-kW RF Solid-State Solutions and Systems
Thomas Kole
Integra Technologies
(15:40 - 16:00)
Abstract
Tu4C-2: Planar Low-Loss Ultra-Wideband Coaxial-Less Balun and 4-Way Combiner for High-Power Applications
Victor Bregeon, Anthony Ghiotto, Jose De Oliveira, Christophe Goujon, Guillaume Mouginot
Thales, IMS (UMR 5218), Thales, DGA, DGA
(16:00 - 16:20)
Abstract
Tu4C-3: Continuous Current Mode Class-F Power Amplifier: A Solution for Bandwidth Extension in Low Breakdown Voltage Applications
Daniel Alonso-Tejera, J. Apolinar Reynoso-Hernández, José Raúl Loo-Yau, Manuel Alejandro Pulido-Gaytán, María del Carmen Maya-Sánchez, Jaime Sánchez-García, Eduardo A. Murillo-Bracamontes
CICESE, CICESE, Cinvestav, CICESE, CICESE, CICESE, CNyN-UNAM
(16:20 - 16:40)
Abstract
Tu4C-4: A Highly-Efficient 4.3GBaud Push-Pull LDMOS Based Pre-Driver with 6V Signal-Swing for GaN HEMTs in 22nm FDSOI
Frowin Buballa, Sebastian Linnhoff, Andreas Wentzel, Enne Wittenhagen, Thomas Hoffmann, Wolfgang Heinrich, Friedel Gerfers
Technische Universität Berlin, Technische Universität Berlin, FBH, Technische Universität Berlin, FBH, FBH, Technische Universität Berlin
(16:40 - 16:50)
Abstract
Tu4C-5: High-Efficiency VHF Polar and Doherty Amplifiers for Satellite Transponder Applications
Diego Madueño-Pulido, Moises Patiño-Gomez, Francisco Javier Ortega-Gonzalez
Universidad Politécnica de Madrid, Universidad Politécnica de Madrid, Universidad Politécnica de Madrid
(16:50 - 17:10)
Abstract
Tu4C-6: Highly-Efficient and Low-Power Class-E Amplifier for Miniaturization Using a Small Antenna
Ferry Pascal Lanter, Adrian Teguh Sutinjo
Curtin University, Curtin University
(17:10 - 17:20)
Lei Liu
Univ. of Notre Dame
Wooram Lee
Pennsylvania State Univ.
Location
211
Abstract

This session brings together four papers showcasing sub-THz and THz signal modulation techniques for next-generation communication systems. The first paper introduces attenuator-based vector modulation strategies for phased arrays operating from 200 to 480GHz. The second paper demonstrates a novel photoconductive solid-state plasma evanescent-mode waveguide for sub-THz phase shifting. The third paper presents a compact 8.2mW complementary current-reusing D-band frequency quadrupler implemented in 22nm FDSOI CMOS. Finally, the fourth paper compares wideband low-power H-band frequency doublers, with and without driving stages, also in 22nm FDSOI CMOS, highlighting performance trade-offs. These advances significantly elevate future sub-THz communications.

Abstract
Tu4D-1: Ultrawideband Vector Modulators for Next-Gen Wireless Networks in the 200–480GHz Range
Konstantin Kuliabin, Bersant Gashi, Sébastien Chartier, Cristina Maurette Blasini, Roger Lozar, Arnulf Leuther, Rüdiger Quay
Albert-Ludwigs-Universität Freiburg, Fraunhofer IAF, Fraunhofer IAF, Albert-Ludwigs-Universität Freiburg, Fraunhofer IAF, Fraunhofer IAF, Fraunhofer IAF
(15:40 - 16:00)
Abstract
Tu4D-2: Sub-THz Phase Shifter Using a Photoconductive Solid-State Plasma Evanescent-Mode Waveguide Switched Stub
Eric T. Der, Thomas R. Jones, Nahid Vahabisani, Daniel Mildenberger, Dimitrios Peroulis
Jones Microwave, Jones Microwave, Jones Microwave, Jones Microwave, Purdue Univ.
(16:00 - 16:20)
Abstract
Tu4D-3: A Compact 8.2mW Complementary Current-Reusing D-Band Frequency Quadrupler in 22nm FDSOI CMOS
Thorben Schmidt, Finn-Niclas Stapelfeldt, Vadim Issakov
Technische Univ. Braunschweig, Technische Univ. Braunschweig, Technische Univ. Braunschweig
(16:20 - 16:40)
Abstract
Tu4D-4: Comparison of Wideband Low-Power H-Band Frequency Doublers with and without a Driving Stage in 22nm FDSOI CMOS
Finn-Niclas Stapelfeldt, Benjamin Schoch, Dominik Wrana, Vadim Issakov
Technische Univ. Braunschweig, Univ. Stuttgart, Univ. Stuttgart, Technische Univ. Braunschweig
(16:40 - 17:00)
Luís C. Nunes
Universidade de Aveiro
Pere L. Gilabert
Univ. Politècnica de Catalunya
Location
215
Abstract

This session consists of 5 papers including the keynote paper "Efficiency Enhancements using Digital Predistortion and Advanced Transmitters". The remaining 4 papers address the challenges of linearization in emerging phased array systems, novel machine learning and DSP solutions to improve radio performance.

Abstract
Tu4E-1: KEYNOTE: Efficiency Enhancements Using Digital Predistortion and Advanced Transmitters
Paul J. Draxler
Eridan Communications
(15:40 - 16:00)
Abstract
Tu4E-2: Predistortion of GaN Power Amplifier Transient Responses in Time-Division Duplex Using Machine Learning
Arne Fischer-Bühner, Lauri Anttila, Alberto Brihuega, Manil Dev Gomony, Mikko Valkama
Nokia Bell Labs, Tampere Univ., Nokia, Nokia Bell Labs, Tampere Univ.
(16:00 - 16:20)
Abstract
Tu4E-3: Reference Phase Adjustment Technique with Cross-Polarization Cancellation for Enhanced Digital Predistortion in Mobile Dual-Polarized Arrays
Uichan Park, Jungsuek Oh
Seoul National Univ., Seoul National Univ.
(16:20 - 16:40)
Abstract
Tu4E-4: Phase Derivative Approach for Nonlinear Power Amplifier Forward Modeling with 2-D LUTs
Vesa Lampu, Lauri Anttila, Mikko Valkama
Tampere Univ., Tampere Univ., Tampere Univ.
(16:40 - 17:00)
Abstract
Tu4E-5: Neural Network Based Nonlinear Forward Model Identification for Digital MIMO Arrays Under Load Modulation
Joel Fernandez, Lauri Anttila, Koen Buisman, Vesa Lampu, Christian Fager, Thomas Eriksson, Mikko Valkama
Tampere Univ., Tampere Univ., Univ. of Surrey, Tampere Univ., Chalmers Univ. of Technology, Chalmers Univ. of Technology, Tampere Univ.
(17:00 - 17:20)
Jan Budroweit
DLR
Rudy Emrick
Northrop Grumman
Location
216
Abstract

This session showcases cutting-edge innovations in satellite communication and remote sensing technologies, highlighting advances in antennas, phased arrays, and transceivers.

Abstract
Tu4F-1: KEYNOTE: Recent Data Downlink Antenna Developments for Small Satellites with Focus on NewSpace and CubeSat Applications
Nelson J.G. Fonseca
Anywaves
(15:40 - 16:00)
Abstract
Tu4F-2: Simultaneous Multibeam Operation in 19.5GHz SATCOM Receive Phased Arrays Using Orthogonally-Coded Nested Subarrays
Jacob Drewniak, Gabriel M. Rebeiz
Univ. of California, San Diego, Univ. of California, San Diego
(16:00 - 16:20)
Abstract
Tu4F-3: A Heterogeneous Transceiver in 0.1µm D-Mode GaAs and 65nm CMOS for SATCOM Phased Arrays
Jill Mayeda, Xiaolin Wang, Sena Kato, Dongwon You, Xi Fu, Takashi Tomura, Hero Sakai, Kazuaki Kunihiro, Kenichi Okada, Atsushi Shirane
Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo, Science Tokyo
(16:20 - 16:40)
Abstract
Tu4F-4: Polarimetric Spectrometer Receivers for Remote Sensing of Ionospheric Currents
Oliver Montes, Isaac Ramos, Seth Sin, Andy Fung, Sharmila Padmanabhan, Sidharth Misra, Pekka Kangaslahti
Jet Propulsion Lab, Jet Propulsion Lab, Jet Propulsion Lab, Jet Propulsion Lab, Jet Propulsion Lab, Jet Propulsion Lab, Jet Propulsion Lab
(16:40 - 17:00)
Abstract
Tu4F-5: An Interleaved 1×8 Dual-Polarized L-band Phased Array with Digital Transmit/Receive Beamforming Using RFSoC
Peizhuo Yang, Alessio Tornese, Gong Chen, Koen Mouthaan
NUS, NUS, NUS, NUS
(17:00 - 17:20)