Technical Sessions
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The session focuses on advances in wireless power-beaming systems. The session will commence with a keynote talk on wireless power beaming. Following this, the session shows the latest advances in wireless power beaming, including phased array transceivers, multi-beam wireless energy harvesting arrays at 24GHz, beam scanning solutions in a Huygens box at 1GHz, and a system equipped with an integrated metamaterial-inspired absorber at 50 and 150MHz.
In this session you will see the latest advances in non-planar passive components in several technologies, including power dividers and combiners, frequency selective surfaces and sensors.
In this session, we will discuss the recent advances in microwave devices using magnetostatic, ferroelectric, and phase-change materials. The innovation in tunable and reconfigurable devices, enabled by advanced design, microfabrication, and measurement technologies, will be presented. The comprehensive discussion encompasses a spectrum of applications, including wideband switches, acoustic switches, temperature-compensated magnetostatic resonators, and tunable microwave filters. Join us to unravel the intricacies of these cutting-edge devices and witness how they are reshaping the landscape of microwave engineering with their diverse functionalities and applications in modern communication systems.
This session presents low-phase-noise signal generation from 2GHz to 30GHz using a variety of technologies including CMOS, SiGe, and GaN. Several advanced techniques including subharmonic injection, folded resonator, SIW resonator, dual-core/quad-mode, and post-fabrication selection will be discussed.
This session presents new and innovative works investigating microwave, mm-wave, and THz photonic-enabled systems. The session starts with a silicon photonic integrated beamformer in a phased array RF imaging system. Next we examine photonic-enabled THz phased arrays based on dielectric rod waveguides. This is followed by a 1-bit digital radio-over-fiber system for uplink and downlink communications and an ultra-wideband modular RF front-end for a photonic-enabled imaging receiver. The session closes with presentations on a wideband frequency hopping radio link based on microwave photonics and the generation and distribution of RF signals using a tuned optical paired laser source.
This session looks at AI techniques for everything from synthesizers to channel estimators and MIMO systems.
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This session will be on devices and components for effective wireless power transfer. It will focus on the design and testing of high-efficiency mm-wave rectifiers based on FD-SOI CMOS technology and novel security and identification concepts for SWIPT (Simultaneous Wireless Information and Power Transfer) systems in IoT applications. Additionally, the session will cover a highly efficient GaAs rectenna MMIC with an electromagnetic coupling structure optimized for use with an external antenna. These pioneering advances highlight the ongoing progress in wireless energy conversion, IoT security, and high-frequency rectenna technology.
This session provides a glimpse into the design of advanced non-planar filters. The content includes innovative techniques for the design of low-loss miniaturized filters, new multi-functional components such as filtering power dividers and combiners, novel implementation of ridge waveguide filters with transmission zeros, and high-power filters for space applications.
This session highlights cutting-edge developments in microwave acoustics through papers on a highly selective Band-5 SAW filter, a 23.8GHz acoustic filter in lithium niobate, a fin-mounted A5-mode lithium niobate resonator at 27GHz, a 56GHz trilayer AlN/ScAlN/AlN FBAR, and an experimental study of a cryogenic lithium niobate resonator. These contributions showcase innovative designs and experimental investigations, pushing the boundaries of microwave acoustics.
This session presents advanced frequency conversion circuits using silicon-based and III-V semiconductor technologies. The wide range of topics including frequency multiplication, frequency mixing, and frequency division will be discussed.
Future 6G wireless systems and beyond will support communications, sensing, and positioning at multiple spectrum bands. Novel networking architectures will be required to achieve performance, resiliency, and flexibility for deployment of the antenna and related RF hardware on fixed locations and vehicles for the radio access network. Deployment of a massive number of low SWaP-C picocells for coverage and flexible locations is a complex challenge that will strain the conventional base station, microcell, and even the O-RAN architectures, especially when applied to mm-wave and sub-THz spectrum bands at >100GHz. Does analog photonics have a role in meeting these challenges? If so, what is that role and what are the key bottlenecks to implementation? This focus session tackles this question and will feature diverse technical perspectives (all-electronic, digital photonic, analog photonic and hybrid) from academia, industry and government labs.
This session looks at AI/ML for transmitter blocks and elements including power amplifiers and pre-distorters.
Space-based solar power has been in discussion for the last 40 years at least, but recently, with technological advances and the increase in gas cost, this topic is on the table again, not only in academic environments but especially in governmental programs. Some of the countries investing significantly in this approach include USA, Japan, China, Canada, the UK, New Zealand, Australia, and more recently the EU. The concept implies collecting energy out in space and beaming it to where needed, on earth or any other planet or satellite; one of the most recent ideas has been to use it to power up moon stations by creating a microwave energy link network on the moon. This special session's objective is to bring researchers in this area to IMS and to discuss the novelties in microwave transmitters and receivers, those being highly efficient power amplifiers or highly efficient RF to DC converters.
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Dr Reynold Kagiwada (M '72, SM '79, F'89, LF'05), IEEE MTT-S Past President, passed away peacefully in June 2023. He is survived by his two children, Conan Kagiwada and Julia Kagiwada. Dr Kagiwada was an IEEE Life Fellow (1989), the recipient of the IEEE Third Millennium Medal, the MTT-S 2011 Distinguished Service Award and the MTT-S 1997 N. Walter Cox Award. He was recipient of TRW Gold Medal Award and the Ramo Technical Award in 1985. He was a member of Old Crows, Sigma Pi Sigma and Sigma Xi. Dr Kagiwada's career spans over 50 years. At Northrop Grumman (Redondo Beach, CA), he was Advanced Technology Director from 2002 to 2018. At TRW (Redondo Beach, CA), he was Advanced Technology Manager (1990–2002), Assistant Program Manager (1989–1990), MIMIC Program Chief Scientist (1988–1989), Project Manager (1987–1988), Laboratory Manager (1984–1987), Senior Scientist, Department Manager, (1977–1983) and Scientist, Section Head and MTS (1972–1977). In academia, he was Assistant Professor in Physics, University of Southern California (1969–1972) and Assistant Professor in Residence Physics, University of California Los Angeles (1966–1969). He is fondly remembered by generations of colleagues as a great mentor and advocate that brought out the best in everyone around him.
This session focuses on advanced synthesis techniques for filters and multiplexers. Content includes techniques utilizing non-resonating nodes in the synthesis, extraction of diplexer parameters, synthesis of spatial filters, synthesis of frequency dependent coupling filters, and antenna-loaded filters.
This session features a selection of papers that delve into advanced packaging and circuit implementation techniques for sub-THz and THz systems. The session will provide an in-depth examination of THz transceivers, focusing on key building blocks such as transmitter and receiver front-ends, power detectors, phased arrays, and phase shifters, as well as micro-machined and photoconductive switches.
This session presents mm-wave key building blocks in CMOS and GaN processes for advanced phased arrays. We start with a W-Band switchless PA-LNA front-end that is followed by other compact and broadband 39 and 28GHz Tx/Rx designs. We end our session with a highly precise W-Band 7-bit phase shifter based on a voltage-summed vector modulator.
This session discusses state-of-the-art microwave photonic and electronic techniques to generate, amplify and radiate mm-wave and sub-THz signals. The first paper discusses sub-THz signal generation with very low linewidth using asymmetric locking of two lasers. The second paper describes broadband optical frequency-modulated continuous-wave (FMCW) signal generation using hybrid electronic-photonic techniques. The third paper is about widely tunable, photonically assisted, RF-sub-THz signal generation with frequency independent phase noise. The fourth paper achieves microwave signal amplification using injected semiconductor lasers. Finally, the last paper covers design and implementation of an on-chip topological filter antenna operating at 300GHz.
This session will discuss the integration of advanced wireless technologies in autonomous sensors in diverse fields such as environmental monitoring and smart infrastructure. It explores various wireless communication hardware and methods, assessing their compatibility with autonomous sensors based on range, power efficiency, and scalability.
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In this session, recent advances and achievements at DARPA on 3D heterogeneous integration (3DHI) and multiport passive components operating from RF/Microwave to mm-wave range will be presented, resulting in wideband performance and compact size.
This session presents the latest advances in reconfigurable filters and passive devices. The reconfigurable filters presented include a paper on a multi-functional bandpass filter that provides tunable attenuator and reflectionless phase shifter functionalities, and a liquid-metal-based filter with reconfigurable phase shifting properties. The session then transitions into passive devices, which include different ways to realize reconfigurable loads for phase shifters and a reconfigurable 90nm GaAs MMIC quadrature coupler operating in the 17.3–21.2GHz frequency range.
Next-generation RF/mm-wave systems are of great interest in supporting high data-rate communications, which include future 5G FR3 and mm-wave 5G FR2 and 6G mobile networks. These RF networks can potentially deliver 10Gbps or higher and backhaul communications with >50Gbps. Since E/D/G-band can also support multi-GHz bandwidths, there is also growing interest in mm-wave phased array implementations. This focused session will cover emerging high-performance Silicon and III-V RF/mm-wave technologies toward 5G/6G wireless applications and DoD applications with speakers from both commercial (Global Foundries and Intel) and Defense (DARPA, Northrop Grumman, HRL) sectors.
This session includes advanced techniques to design transmitter and receiver sub-systems operating at mm-wave frequency range. The keynote presentation in this session gives an interesting perspective about the AI-enhanced mm-wave systems. This is followed by the presentation on a 16-element dual-polarized phased array transceiver. The third talk presents a highly integrated sensing and communication transceiver. Next, a D-Band four-element transmitter array module with flip-chip aperture coupled antenna is presented. Finally, the session ends with a paper on K/Ka-band beam-forming front-end module with self-diplexing antenna.
Microwave radiometry and low-noise amplifiers from microwave to mm-waves. Broad range of state-of-the-art LNAs including IR-UWB applications to W-band GaN high linearity uses.
This session will be exploring innovative designs and methodologies of radio frequency and microwave technologies. The presentations focus on the applications of RF/Microwave in sensing and monitoring processes, emphasizing wireless and contactless techniques. The discussion aims to probe the latest advances and breakthroughs in this field, offering insights into how these technologies can be effectively utilized in real scenarios. We will examine the practical implications of these technologies, assessing their potential impact and benefits in real-world applications.
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This session presents high-efficiency and -linearity power amplifiers modules/MMIC designed in GaN and GaAs compound semiconductors. The papers of the session focus on a wide range of applications moving from communications in NR FR1 up to Ka-band satellite. The topology selected is multistage Doherty architecture and differential topology to achieve high efficiency and linearity over wide bands.
This session presents new advances in system designs and signal processing for high-precision radar sensing applications. The topics range from ultra-precise micro-meter distance sensing, integrated radar designs for precise velocity measurement, and system concepts for improving the performance of radar systems.
This session will cover numerous novel microwave packaging structures and applications up to sub-THz. The session will discuss a low-loss die-embedded 140GHz InP power amplifier and an integrated radar transceiver for 61GHz applications. Another paper will introduce two feeding methodologies for a flip-chip QFN package mm-wave slot bowtie antenna up to 220GHz. The session will close with a paper discussing embedded printed ring resonators for temperature sensing applications.
This session highlights advances in low-altitude, stratospheric and low-earth-orbit radiometers and communication systems.
In this session, we report exciting progress on integrated passive devices in GaN and Si technologies. For example, a novel high-power limiter based on GaN Schottky barrier diodes demonstrates a record 39ns recovery time at 100W. Two new GaN digital step attenuators exhibit an ultrawide bandwidth of 40–220GHz. Meanwhile, a V-band voltage-controlled distributed attenuator based on 65nm CMOS technology achieves an attenuation range higher than 1000dB/mm² for the first time. Finally, a new electrically balanced duplexer based on a tunable passive auto-transformer in the 65nm CMOS technology demonstrates 30dB isolation at 60GHz with a 19GHz bandwidth.
State-of-the-art Ku-band to E-band mm-wave VGAs and phase shifters in CMOS technology. Design methods include novel approaches in optimization and circuit techniques.
Computational methods for the simulation of electromagnetic structures are indispensable for exploring new technologies and applications. This session presents significant advances that result in accelerated solvers of electrically large problems and robust multiphysics simulators, exploiting mathematical advances and machine learning.
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Dr. Atia was a long-time contributor to the MTT-S in various capacities. Since 1969 he has been involved in research and development of a broad range of advanced microwave technologies for communication satellite transponders and antennas. Dr. Atia had seminal and fundamental contributions in the field of microwave filter synthesis and he was the recipient of the Pioneer Award of the IEEE Microwave Theory and Techniques Society (IEEE MTT-S) in 1997.
Dr. Zaki was a long-time contributor to the MTT-S in various capacities as well. She was the first female to graduate with a PhD in Electrical Engineering from the University of California, Berkeley, and the first female professor to join the department of Electrical and Computer Engineering at the University of Maryland, College Park. There she led an academic life of more than four decades. There she supervised many PhD students and contributed enormously to the field of electromagnetic modeling of passive components namely microwave filters and multiplexers. Her original research on dielectric resonators and filters was fundamental in advancing the state-of-the-art in dielectric resonator filters.
This session includes novel techniques to improve the performance of different power amplifier topologies in the 1GHz – 15GHz frequency band. Techniques for both narrow band and broadband will be presented. It will also cover both single- and dual-input power amplifiers for transmitter architectures.
Distributed and multichannel radar systems have received significant attention in recent years owing to their ability to improve angular resolution and discrimination capabilities compared to traditional monostatic systems. The topics in this session range from wireless and digital synchronization of distributed radars, distributed repeaters for mm-wave imaging, and multichannel phased array radar.
This session will discuss recent advances in additive manufacturing for RF and mm-wave applications. Presented topics will include 3D components and modules as well as novel material integration and 3D printing techniques as well as models for roughness prediction of additive manufacturing techniques.
The session addresses mixed-signal circuits and systems applied to ground penetrating radars to analyze sub-surfaces of planetary bodies, radio astronomy circuits for self-calibration, radiation-hardened and -tolerant synthesizers, and real-time digital linearization techniques for high-linearity power amplifiers.
Couplers are one of the most important microwave passive components and thus are ubiquitous in balanced amplifiers, mixers, and beam-forming networks for antenna arrays. This session presents the recent advances in design methodologies for state-of-the-art couplers. Initially, novel design platforms including substrate- or metal-integrated suspended lines will be presented to reduce the dielectric and conductor losses in couplers. Next, investigations into architectures including multi-section transformers will be discussed to widen the coupler bandwidths. Finally, industrial coupler prototypes utilizing the InP HEMT MMIC process for highly-integrated chipsets will be presented. Together, these papers aim to build an ecosystem of next-generation couplers with attractive performance such as low loss and wide bandwidth.
This session reports on recent advances in RF power amplifier linearity and efficiency enhancement techniques.
This session will feature the design of novel microwave/mm-wave waveguide-based components and metasurfaces and the advanced characterization of thermal and twisting effects in dielectric waveguides for mm-wave applications.
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This memorial session will pay tribute to Professor John W. Bandler by recognizing his seminal contributions and visionary perspective on CAD techniques for RF and microwave modeling and automated design optimization. Invited outstanding collaborators will provide an overview of Prof. Bandler's main technical achievements and contributions, combined with personal anecdotes and photos highlighting memorable events and interactions. Joint technical developments to be reviewed include analysis methods for the response sensitivities of microwave circuits, including efficient EM-based S-parameters sensitivity calculations for accurate design and image-reconstruction; the portâtuning version of space mapping for efficient EM-based analysis and design; cognition-driven design for microwave filter optimization; advanced industrial microwave design problems in satellite systems; space mapping techniques for efficient post-manufacture tuning of microwave hardware; smart combination of artificial neural networks and space mapping for EM-based design optimization, statistical analysis, and yield optimization of microwave circuits; as well as interesting analogies between space mapping and artificial-intelligence (AI) approaches. Potential future directions will also be ventured regarding the relationship between cognitive science and engineering design, involving promising deeper integration of artificial-intelligence, machine learning, and space mapping.
This session presents >10W load-modulated power amplifiers focusing on broad bandwidth and wide output backoff power ranges. The session begins with a keynote presentation on stability analysis, critical for any high-power design. Examples of both hybrid and MMIC power amplifiers will be discussed.
This session focuses on recent advances in radar sensing technologies and their various applications, which include innovative radar structures, heart-rate sensing, and interferometric sensing of moving objects.
This session will present recent advances in planar filter design. Specifically it will cover novel design methodologies for balanced filters, multi-functional filters and substrate-integrated lumped-element filters. New modeling techniques for non-reciprocal filters will also be presented.
This session focuses on innovative approaches to the implementation of practical circuits which include non-magnetic circulators, modulators, switches, mixers, and multiplexers.
This session addresses digital signal processing algorithms for wireless transmitter linearization and power amplifier behavioral modeling.
This session includes advances in numerical and analytic techniques for modeling of diverse microwave components and systems, as well as hybrid field/circuit and multiphysics simulations. Advanced numerical methods that enable novel measurement techniques are also given, including near-to-far field transformations for predicting antenna patterns by sampling in the near-field over an arbitrary-shaped surface surrounding the antenna. Simulation methodologies for signal integrity prediction in high-speed links are also included.
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This session features a variety of contributions on the topics of artificial neural networks, innovative knowledge transfer approaches, non-linear behavioral modeling and design of power amplifiers and oscillators. This session offers insights into the latest trends in simulation and modeling, bridging theoretical concepts with practical applications.
This session focuses on mm-wave power amplifiers operating between Ka-band and E-band. The first paper describes a GaN V/E-band distributed PA with greater than 1W output power. The second paper discusses a V-band GaN PA with low-gain compression for use in communication systems. The third paper presents a Ka-band LNA and PA designed in silicon FinFET technology. The fourth paper describes a high linearity SiGe PA design using a novel balun and power combiner.
This session focuses on Qubit readout low-noise cryogenic amplifiers and receivers manufactured in CMOS and SiGe BiCMOS technologies. The first paper discusses a novel GM boosted LNA topology. This is followed by a paper on the characterization of several CMOS inverter-based 28nm FDSOI LNAs. Next, 45nm BiCOMOS SiGe LNAs with record 2.6K minimum noise temperature are presented. The session ends with a SiGe BiCMOS IQ receiver for superconducting Qubit readout.
Advances in material sensing and characterization techniques from S to W frequency bands are presented. Instruments based on resonators, planar transmission lines, and free-space radar are discussed.
Remote sensing of human vital-signs such as heartbeat or respiratory rate will become increasingly important in an aging society. This session will present interesting radar concepts tailored to these tasks by discriminating the vibrations on the body surface from random body movements to the respective vital-signs under monitoring. All papers will present ideas that enable hardware structures with reduced complexity compared to conventional approaches. The session will focus on the specific system and hardware aspects of self-injection locking radar. In addition, a sophisticated proposal for metamaterials for space-time encoding will also be presented.
This joint IMS/ARFTG session will take you through advances in the field of OTA characterization. The papers range from quasi-optical techniques to mitigation of alignment errors, built-in test for EIRP and electromagnetic jet imaging.
This session showcases five papers in the area of reconfigurable intelligent surfaces (RIS), antennas, and beamformers. The first paper presents an 8GHz 32×32-element RIS to enhance non-line-of-sight (NLOS) communications. The second paper introduces a 16×16-element RIS array at 28GHz, adopting a phase randomization technique introduced to suppress lobes. The third paper presents a 11-port wire antenna capable of beam steering from 5–18GHz. The fourth paper explores a space-time-modulated metamaterial antenna, functioning as a beam-space multiple-input multiple-output (MIMO) receiver. The last paper presents a fully-passive, 4-channel RF beamformer at 12GHz for power-constrained applications.
This session features discussions of advances in process technology for III-V on Si HBTs, low-loss SOI substrate processing, and GaN-on-Silicon power devices.
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This session starts with a keynote presentation on an HF through UHF transceiver overview before moving to a presentation on a reconfigurable low-pass filter. The session continues with a high isolation CMOS switch, a GaN supply modulator and finishes with a keynote presentation on analog predistortion applied to the HF through UHF frequency range.
This session focuses on III-V and silicon power amplifiers (PAs) targeting D-band applications and beyond. It will start with a benchmark design of high-efficiency PAs in 250nm and 130nm InP HBT technologies at 220GHz, followed by a low-noise PA for the WR4.3 and WR3.4 bands in a 35nm InGaAs mHEMT technology. The next presentation from the session will talk about another InGaAs mHEMT PA covering 270–320GHz in a compact footprint. Next, analysis and design of a differential complex neutralization will be discussed, based on which a PA at D-band is implemented for efficient and linear applications. The session will be concluded with a presentation on a 10–230GHz InP distributed amplifier using Darlington quadruple-stacked HBTs.
The session introduces recent advances in quantum technologies. The first paper presents a planar graphene/ferroelectric FET for generating a pyroelectric current from microwave power. The second shows a driver module for the control of a single transmon Qubit in the 4–10GHz frequency range. The third paper deals with a four-winding transformer-based capacitor-assisted QVCO, operating in 55nm CMOS process, to reduce the flicker noise. The final paper introduces a technique for implementing a frequency-doubler in NbTiN on silicon for operation in a cryogenic environment.
This session covers wave-material interactions ranging from microwave microscopy to high-power-density plasma generation. Near-field microscopy for high-resolution material characterization at room and cryogenic temperatures is shown using frequencies from 2 to 12GHz. Additionally, resonator-based field enhancement is shown for low-power plasma generation in the 2.45GHz ISM band.
This session is focusing on advances in microwave biomedical applications. It will notably present innovative orientations of MRI systems featuring STAR using wearable RF transceiver and investigating MR safety with active implantable medical devices. Moreover, an in-body microwave thermometry concept will be discussed with a focus on RF interference cancellation. Finally, the electroporation effect will be explored in combination with microwave biosensing.
This joint IMS/ARFTG session presents a number of exciting developments in mm-wave measurement, including new observations in on-wafer calibrations and improvements in mm-wave noise characterization. The session concludes in a novel wideband measurement approach for higher-rate modulated analysis.
This session is comprised of papers that present advanced circuits and techniques for next-generation wireless systems. Discussion topics include active calibration for MIMO transmitters, a load-modulated balanced amplifier with an antenna interface, an analog self-interference canceller that mitigates tap loss, an integrated full-duplex front-end at 75–100GHz, and a 130GHz OOK-doubler circuit heterogeneously integrated with a glass antenna for scalable array systems.
This session includes papers featuring heterogeneous integration of N-polar GaN HEMTs with Si interposers at Ka-band, high-power-density Ka-band GaN MIS-HEMTs, and thermal characterization and modeling of coupling effects in GaN-based MMICs.