IMS2020 Technical Sessions
This session presents new components, structures, and techniques for various microwave applications. One structure is a new type of metasurface that offers broadband polarization conversion for an incident plane wave. Another contribution is a novel design of a microwave circulator that is based on coupled CRLH lines on a ferrite substrate. A new type of slow wave structure based on nanowires that are incorporated into a substrate is presented. The session also presents an insightful examination of the reactive and radiative regimes for a leaky-wave antenna, and discusses a new way to use leaky-wave antennas for beam scanning.
This session presents the latest developments in high-power technology for HF, VHF, UHF and S band. The techniques include amplifiers based upon a novel serial combiner and a broadband transmission-line combiner. Also included are a kilowatt 27 MHz amplifier with supply modulation and an amplifier based upon new high-voltage GaN FETs. Finally, an S-band magnetron that produces 20 kW of power will be presented.
This session presents design of RF switches based on phase change materials and new dielectrics, various implementation methods including standard MEMS, printing, and SiGe BiCMOS processes are discussed. Applications of switches have been demonstrated for the design of latching variable attenuator and reconfigurable filters.
This session provides an exposition of the recent developments on numerical modeling, optimization, and simulation-driven design for microwave engineering. The presented papers cover a variety of topics, including novel techniques for surrogate modeling of microwave passives, methodological advancements in variability analysis in highly-dimensional spaces, cost function formulation for efficient extraction of circuit parameters, as well as applications of surrogate modeling techniques for design optimization and uncertainty quantification of high-frequency components. Theoretical developments are complemented by application case studies.
This session gives an overview of recent advances in the areas of microwave photonics, terahertz photonics, and nanotechnology.
Specifically, new approaches for photonics-assisted nanoantennas, generation, and detection of microwave/terahertz radiation and nearfield microwave scanning microscopy are included in this session.
This session presents techniques for the design and control of power amplifiers for S and C bands including a dual-band Doherty amplifier and a two-level outphasing amplifier. Additionally, techniques for the design and integration of the output filter and matching network are presented. Finally, there is an analysis of a technique for regulating the output power in the presence of a variable load.
The session discusses the advances and challenges in synthesizing filter responses using micro-machined resonators in either the acoustic or electromagnetic domain. On the lower frequency end, acoustics resonators are arranged to produce reconfigurable or switchable responses. Towards higher frequencies, novel micro-machined chip-scale electromagnetic resonators are exploited to produce W-band filters. Suppression of unwanted acoustic resonance in an electromagnetic structure will also be discussed.
This session presents the most recent developments on numerical modeling methods and their applications. It includes an efficient integration equation method for multilayer structures, an effective volume current-based method of moments for layered media, an interesting time-domain multiphysics sensitivity analysis method with the FDTD technique, an entropy technique towards practical time reversal source-reconstructions, and a methodology for rigorous validation of coupled multi-physics modeling algorithms.
Integrated waveguides play an important role for modern millimeter-wave systems. This session presents recent advances for substrate integrated, 3D printed and dielectric waveguides. Theory, design and experimental results are presented.
This session focuses on state-of-the-art low-noise circuit results with applications to quantum computing, radio astronomy, and millimeter-wave communications. First, a cryogenic SiGe LNA achieving record noise performance for silicon from 4-8 GHz will be presented. Next, the first ever W-band SiGe cryogenic LNA will be described. The third talk will focus on a broadband InP HEMT cryogenic LNA covering the entire 5-35 GHz frequency range. This will be followed by the presentation of a single-chip IQ downconverter MMIC covering the full W-band. In the final talk of the session a state-of-the-art CMOS D-band LNA operating from 125.5-157 GHz will be described.
This session addresses advanced mixed-signal transmitter and optical driver ICs towards 100 Gbit/s. It starts with a 100-Gbit/s 3-bit DAC for PAM signal generation, followed by two 50-Gbit/s class optical drivers for MZ modulator and VCSEL. Finally, a CMOS wideband FMCW radar transmitter is presented as well as a Ka-band phase shifter for 5G applications.
Active and passive sensors for liquids and biomaterials, ranging from biological cells to fuels, are discussed. Considered devices are based on CMOS, iSMM and SIW technologies.
The session presents advancements in design, model, simulation and experimental results of Lithium Niobate-based SAW and lamb wave resonators to address sub-5 GHz applications and beyond 6GHz up to 19 GHz. The material use different cuts of Lithium Niobate to address different applications. A technique to place poles and zeros during a filter design phase is presented.
New design techniques for broad/dual-band GaN and GaAs high-performance power amplifiers are presented in this session. This body of work covers DC–20 GHz with efficiencies up to and greater than 60%. Power outputs of less than one watt to over 60 Watts are demonstrated. The methodologies include non-uniform distributed amplifier design for broadband performance, dual band approaches including leveraging the bias circuit for improved performance and broadband techniques for the driver amplifier. Both MMIC and hybrid approaches are covered.
This session focuses on the latest advances in microwave semiconductor devices. Gallium Nitride transistor advancements in power, efficiency, and 3D heterogeneous integration are highlighted. In addition, sub-100nm metamorphic HEMT noise performance and emerging high power diamond-based diodes are discussed.
In this session, innovative waveguiding structures for the generation, transmission and manipulation are presented. These include liquid crystal based phase manipulation, negative group delay enabled leaky waves, loss reduced multilayer structures, full tensor anisotropic metamaterial modelling and picosecond pulse generation using nonlinear transmission lines. Theoretical and experimental results are presented to substantiate the interest of these techniques.
This session presents LNAs from C to D band: the first paper demonstrates a new gain equalization technique, the second paper addresses the frequency tunability for 5G transceivers, the third paper shows flat gain response at mm-wave, the fourth paper shows a K/Ka/V band variable gain LNA, and the last paper demonstrates a new design exploiting magnetic coupling at E band
This session introduces recent advances in X to G band voltage controlled oscillator design techniques. It includes new design methods for octave-range multi-band oscillators, injection-locked oscillators, and wide tuning range oscillators with advanced technologies such as 16 nm FinFET and 22 nm FD-SOI.
Techniques of non-destructive evaluation of diverse dielectric materials are discussed. Imaging systems based on resonant and broadband applicators are presented.
This session addresses the nonlinear analysis, design, and novel application of circuits and systems to current challenging problems in microwave and millimeter wave technologies. The papers will cover topics ranging from coupled oscillators to wireless power transfer to over-the-air behavioral modeling using neural networks.
This session presents InP and GaN broadband millimeter-wave power amplifiers up to 150 GHz. Innovations include process development, high power combining techniques, and circuit techniques.
This session focuses on several aspects of modeling and characterization of GaN and GaAs HEMT and HBT transistors. The first two papers cover new behavioral and compact modeling approaches while the next two papers discuss novel characterization and analysis of trapping effects in GaN devices. The final paper presents HBT model extraction up to 325 GHz.
Advanced synthesis solutions for non-planar filters and multiplexers.
The session presents new advancements in wireless sensors targeting sensing applications such as material, biomedical, and capacitive sensing. The novel wireless sensors are based on well-chosen communication technologies to serve its specific applications, for example, passive backscatter, active far-field, and passive near-field communication technologies. A particular focus of the session lies on integrated wireless sensors based on the CMOS technology.
This session presents the latest work on transmitter components including the power amplifiers and frequency multipliers operating at mm-wave and sub-mm-wave frequencies.
Improving sensing accuracy for biomedical purposes is currently an intensively investigated research topic. This session will explore the latest advancements on microwave sensing devices, implantable antenna systems and the effect of RF exposure on biological samples. The application of microwave on wearable devices for in-body sensing, speech reconstruction using microwave sensing and wireless powering of deep body implants will be discussed for novel biomedical sensing approaches.
Notions of reciprocity, time-reversal and sensitivity to defects in wave propagation and field transport will be address by discussing disruptive ways in which devices are designed and employed in enabling new functionalities at high frequencies. Platforms that can benefit from these approaches include electronic and photonic devices and circuits, filters, logic operators and circulators, and their on chip implementations.
The session covers advances in 5G millimeter-wave wireless system performance including improved throughput and spectrum efficiency, various digital predistortion techniques in MIMO and phased array systems, antenna design for higher directivity, and new designs for direction finding.
RF and millimeter wave amplifiers are key elements in modern wireless and defense applications. Existing high speed transistor technologies are approaching their limits and current amplifier design practices focus on trade-offs between key performance parameters. With 5G deploying and upcoming millimeter wave systems for defense, next generation GaN transistor technologies are emerging. This session focuses of these emerging transistor technologies for these applications.
Advanced implementation of non-planar filters and multiplexers.
This session presents a variety of radar and backscatter sensor systems for applications such as negative resistance-based backscatter systems, reflector tags, 3D radar sensing, and high linear motion sensing.
This session includes latest work covering high-data-rate wireless transceivers and receivers as well as mm-wave radars.
This section discusses recent advancements in biomedical radar and imaging technologies for non-contact detection and monitoring. Applications include knee prostheses imaging, blood pressure monitoring, human tracking, respiratory and heartbeat monitoring.
This session features a variety of innovative planar filters using substrate integrated waveguide (SIW) and microstrip technologies. The first paper presents a compact, quasi-absorptive SIW filter using capacitively-loaded resonators. The second paper describes a compact, dual-mode SIW filter using uniform impedance resonators. Third, a compact bandpass filter using substrate integrated defected ground structure (SIDGS) is described that achieves a very wide stopband response. Next, stepped impedance resonators (SIR) and complementary split ring resonators (CSRR) are combined to create filters with high selectivity. The last paper presents a balanced bandpass filter using coupled lines to produce a quasi-elliptic bandpass and ultra-wide stopband response.
This session introduces advanced beamforming transceivers, array implementations and techniques for 5G communication networks. It presents novel arrays and front-ends for mobile devices and base-stations and discusses new optimization techniques for interference cancellation including a machine learning approach.
Load modulation based power amplifiers have been the workhorses in wireless networks for more than two decades. In this session, load modulation techniques are further enhanced, for their RF bandwidth, through the use of balanced structures and inverted DPA topologies. In addition, Doherty efficiency is further improved in power back-off by means of digitally controlled signal injection. 5G MIMO base stations needs are addressed including DPA miniaturization through MMIC integration, as well as, the capability to handle large video bandwidths.
This session covers the latest advances in passive components and related technologies. It spans from circuits to modules. Novel techniques such as angular-momentum based circulators, silicon-based integrated passive devices, and SiW-based components are discussed. Also novel designs for resonators, junctions and delay lines are presented.
In this joint ARFTG-IMS session, a number of riveting nonlinear measurement topics are discussed. We begin with new error vector magnitude results on GaN power amplifiers. Additional papers cover synchronized, modulated nonlinear vector network analyzer measurements, multitone amplifier linearity characterization, and pulse profiling load pull analysis.
This short session presents works in distributed mixers, sub-terahertz oscillators, and millimeter-wave true-time delay circuits
Advances in SiGe, CMOS and GaN technology have lead to the widespread availability of low-cost millimeter wave radar transceivers. These sensors has enabled new capabilities in vibrometry and small scale motion sensing. Advances in this session include FMCW sensing of multiple targets, AI driven gesture recognition, picosecond pulse and interferometric techniques capable of resolving vibration ambiguities, and novel motion compensation approaches for vibrometry of moving targets.
This session presents active filters and high-Q tunable filters with constant absolute bandwidth and constant frequency spacing transmission zeros. It also presents novel concepts for filtering crossovers, tunable band-reject filters, and non-reciprocal filters.
This session will present the latest beamforming array advances for satellite communications and sensors. The papers cover Ku-, Ka-, and E-band applications of 256 to 1024-element active transceivers and radar sensors.
In this session, we have two papers describing advanced DPD techniques for massive MIMO applications, considering OTA identification and predistorter complexity; and three papers describing novel approaches for envelope tracking power amplifiers, including a GaN MMIC modulator design, a floating source RF PA, and a novel Marx generator-based modulator.
This session is on advanced radar systems and concepts for automotive and vehicular applications. The topics range from modulation schemes for MIMO radar and in-depth analysis of radar noise performance, to concepts for speed over ground estimation and model-based and neural-network based super-resolution range and angle-of-arrival estimation techniques.
RF, mm-wave, and THz subsystems can benefit from heterogeneous integration of dissimilar component technologies for improved performance and signal integrity. At such frequencies, innovation in design, nano-materials and fabrication is crucial; high-frequency intra-chip interconnects and flip chip technologies will be presented.
The recent advances for novel topologies and layout realizations of high-efficiency rectenna and rectifiers for RF energy harvesting are proposed. Both narrowband and broadband solutions with record efficiencies at ultra-low power are discussed using discrete and integrated CMOS solutions.
Only due to persistent progress in phased-array beamforming technologies and techniques did phased-arrays move from the defense and space domains into a multitude of applications, including much lower-cost commercial applications. In this session, progress is reported on digital as well as analog implementations. Aspects including wideband beamforming, mutual coupling, calibration and tracking are covered, even addressing flexible phased-array sheets.
The session will showcase state-of-the-art advancements in silicon-based power amplifier architectures and technology for 5G and automotive applications. The session will demonstrate techniques that range from broadband design and back-off efficiency enhancement to fully digital PA architectures. The first five papers demonstrate these techniques from 22 to 90 GHz and the last paper discusses a novel hybrid digital transmitter architecture combining CMOS and LDMOS technologies for base station applications.
This late-breaking news session reports breakthrough results on millimeter-wave power amplifiers, transmitters, and receive beamformers based on advanced silicon processes. Advanced FinFet and CMOS SOI processes demonstrate PAs at 28 GHz and E-band. Novel approaches to load modulation are demonstrated in a multi-element transmit array. Finally, a state-of-the-art broadband receive beamformer is demonstrated with low noise figure.
Microwave and millimeter wave transmitters and receivers have been developed in Si technologies, which is attractive for the development of networked and distributed systems. Such systems promise much better imaging and or sensing properties than single transceiver systems. This session addresses such systems, in particular architectures, hardware realizations, the impact of hardware impairments, and low level signal processing approaches.
New degrees of freedom are achieved using three-dimensional manufacturing approaches in high-frequency design. Deformable, integrable and extremely small dimensions can be enabled in components and systems using novel materials and processes. Some of the latest advancements on three-dimensional interconnects and RF components will be presented in the mm-wave to the THz regime.
In this session novel applications of wireless power transfer to different technologies is presented ranging from low frequency to millimeter wave. Applications spanning from under water, textile, automotive and space will be discussed.
In-band full-duplex, also known as same-frequency simultaneous transmit and receive, requires self-interference cancellation to enable practical operation. This session will present papers on advanced RF/analog cancellers as well as highly-integrated transceivers that provide suppression across multiple domains. These novel techniques and systems should help advance the field of in-band full-duplex, and move the technology towards adoption within a future wireless standard.
Presentations within this session include integrated front ends for a wide range of frequencies used in phased arrays. This session will commence with two radar papers, followed by a Ka-band communication front end and an 8-channel K-band phase shifter, and will conclude with a wideband GaN front end.
This late-breaking news session reports breakthrough experimental results on millimeter-wave power amplifiers above 200 GHz using GaN and InP HEMTs, low insertion loss switches based on InP HBT processes, and integration of complex systems using SiGe for a reflectometer and frequency synthesizer.
Dr. Robert J. Trew: DECEMBER 8, 1944 - FEBRUARY 24, 2019
This session attempts to capture the career and life of Dr. Robert Trew as an engineer, educator, scientist, society leader, government official, hero of the U.S. Army Research Office, musician, photographer, and above all husband and father.
Bob received his Bachelor of Electrical Engineering from Kettering University in 1968, and M.S. and Ph.D. degrees in electrical engineering from the University of Michigan in 1969 and 1975.
Bob was the Alton and Mildred Lancaster Distinguished Professor (Emeritus) and former head of the Department of Electrical and Computer Engineering in NC State’s College of Engineering. He was a department head for a collective 11 years at three major research universities: Case Western Reserve University, Virginia Polytechnic Institute and State University, and NC State University.
On the government side, Bob served as a program manager at the Army Research Office, Director of Research for the Office of the Secretary of Defense at the U.S. Department of Defense, and Director of the Division of the Electrical, Communications and Cyber Systems at the National Science Foundation.
As a scientist, Bob made important contributions to research on semiconductor devices and microwave computer-aided design. He was a highly regarded mentor and leader. His accomplishments are well recognized within MTT-S and were acknowledged by granting him the Pioneer Award and the Career Award.
Bob served as the President of the IEEE Microwave Theory and Techniques Society in 2004.
Advances and emerging technologies for radar, tracking and imaging will be highlighted. Areas included for discussion include range and angular resolution based on MIMO and UWB techniques. Advances in applications for motion tracking are included.
This session covers the key building blocks used in beamformers and phased arrays ranging from novel ultrawideband baluns, multi-bit phase shifters and attenuators, high isolation antenna switches, and large power mm-wave detectors.
This late-breaking news session presents breakthroughs in the development of millimeter-wave systems. First, a dual-polarization, dual beam small cell is presented for 5GNR operation at 28 GHz. Next, the digital predistortion of a large-scale phased array realizes high-rate, low-EVM communication. Next, scalable dual-band and 2D radar systems are demonstrated for operation over 100 GHz. Finally, an optoelectronic frequency synthesizer with extremely low phase noise is shown based on locking to an optical source.
This late-breaking news session reports breakthrough experimental results on III-V millimeter-wave PAs and LNAs. A high-power broadband (2-20 GHz) amplifier is demonstrated in a GaN process. Record high efficiency results for InP HBT-based power amplifiers are presented. Finally, a low-power, cryogenic InP HEMT LNA is presented that offers adjustable gain/noise figure based on power consumption.