Technical Sessions
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This special session includes four distinguished speakers who will present exciting new developments in AI/ML-based technologies, from spectrum sensing to packaging and electronic design automation (EDA). This event is designed to introduce the AI/ML Day at IMS2023, with high-caliber presentations aimed at inspiring and engaging the IMS audience.
This session reports on recent advances in HBTs and HEMTs for microwave and mm-wave applications, covering InP, SiGe and GaN technologies. The state-of-the-art performance and reliability of HBT technology are addressed, as well as circuit examples. The noise behavior of InP HEMTs at cryogenic temperatures is discussed. Techniques for improving the performance of GaN HEMTs in next-generation power amplifiers are shown, including novel device designs and modeling.
In this session advanced techniques in multichannel and MIMO systems are presented. An advanced radio architecture that can mitigate self-, on-board and external interference is explained. Passive intermodulation cancellation in MIMO FDD transceivers and a 2×2 in-band full-duplex MIMO radio with high self-interference cancellation (SIC) are discussed. A software-defined FDD transceiver with dual-band SIC and advanced massive MIMO techniques are presented.
This session is focused on the latest developments in CMOS low-noise amplifiers and receivers for wideband communication. The papers in the session cover frequency range from K-band to D-band. Furthermore, novel circuit techniques are reported to achieve low-noise performance and low power dissipation.
The session features an industry keynote on advances in microwave synthesizer technology and presents advanced mm-wave signal generation techniques based on injection locking, quadrature generation, frequency multiplication, and harmonic generation using silicon-based and GaN HEMT technologies.
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This session presents advances in machine-learning for systems at RF to mm-wave frequencies with a focus on pre-distortion and device modeling.
Recent advances in mm-wave GaN devices and circuits for defense and advanced wireless applicator are described. Scaled GaN on Si, graded-channel concepts, multi-channel devices, as well as circuit and module implementations are included.
This session presents six papers covering recent advances in RF and mm-wave phased array antennas and modules. The first paper gives an overview of the radio architectures for cellular infrastructure. The second paper presents a mm-wave near-field probing antenna to produce feedback signals for array calibration. The third paper discusses the coordination and beamforming of a distributed antenna array. The fourth paper demonstrates a 60GHz contactless connector. The fifth paper presents a dual-band dual-polarized antenna array module for mobile handsets. The last paper gives an overview of a 5G FR2 dual-band dual-stream single-chip beamformer.
Latest developments in InP, GaAs, MHEMT and SOI low-noise amplifiers and receivers. A Keynote presentation on InP HEMT technology will be followed by talks on low noise amplifiers and receiver for broadband communications and cryogenic applications.
This session presents various advanced techniques for frequency conversion and signal generation. The range of topics includes broadband mixer, frequency multiplier, MEMS-based oscillator, SEU-aware VCO, and EBG-based mm-wave oscillator using silicon-based technologies.
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This focus session exposes advanced artificial intelligence and machine-learning methodologies as applied to the diverse modeling, design, and optimization aspects of signal-integrity and/or power-integrity. It includes constrained Gaussian processes with variational inference, innovative knowledge-based neuro modeling approaches for random jitter under stochastic power supply noise, advanced surrogate-based optimization methods of decoupling capacitors in power delivery networks, neural models for efficient multiphysics simulations, and high-dimensional global optimization approaches for floor planning, among other aspects.
Five papers will be presented in this session describing a number of passive integrated components and devices. The first three talks cover radio frequency control components including a Gallium Nitride based 450W S-band limiter, a Ka-band CMOS 6-bit digital attenuator and a slow-wave Ka-band tunable hybrid coupler. The final two talks describe an integrated on-chip THz frequency differential balun and substrate-integrated D-band air-cavity waveguide structures.
This session contains 5 valued papers from academia and industry, starting from a high data-rate communication Ka-band mm-wave phased array using 28nm technology and a compact Ka-band eight-element receiver for low-earth orbit satellite communication applications. The session will then present a phase shifter for 5G applications at 28GHz band with low RMS phase error. It also contains a K-band low-power FMCW radar for IoT application. The session ends with a 28GHz phased array with 24GHz wireless power transfer block using on-chip Butler matrix.
The session presents new techniques and state-of-the-art examples of power amplifiers enhancing linearity, efficiency, and load modulation as well as dual-band class highly efficient switched amplifiers.
This session covers advanced mixed-signal circuits and systems for frequency generation and high data-rate digital modulation. The session begins with an industry keynote on the design of low-jitter PLLs for 5G systems. The next three presentations address frequency generation circuits and systems including a 77GHz OFDM radar digital carrier synthesizer, a 142GHz prescaler and a 10GHz low-noise PFD. The session ends with a 120GBd optical Mach-Zehnder modulator driver and a 21Gbps PMCW radar PRBS generator.
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This session will feature five papers that focus on the use of advanced computational techniques to design and optimize microwave circuits and systems. The papers will cover a range of topics, including an adaptive homotopy continuation method for geometry scaling of microwave filters, the analysis of a sensor based on an injection-locked oscillator, the use of a substitution method for the analysis of systems based on two nonlinear resonators, the adaptive generation of rational function approximations for microwave network parameters, and the statistical synthesis of optimal coupling matrix for robotic automatic tuning of microwave bandpass filters.
In this session, novel integrated filters will be presented to address state-of-the-art techniques. In particular, reconfigurable MMIC filters and multiplexers, an extended Mason model for modeling FBAR resonators, novel high-Q filters based on quarter-spherical resonators, and highly-integrated IPD filters, will be demonstrated.
Advanced linearization techinques for power amplifier and wideband transmitters will be presented. Paper topics include: linearization of MIMO transmitters, FPGA implementation of dual-input digital predistorters, low-complexity DPD for handsets and DPD for linear phased arrays.
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In this session the state-of-the art in satellite communication systems and technologies is presented. The program includes active phased arrays for SATCOM applications, synchronization of inter-satellite links and studies on RF amplifier reliability.
This session will discuss recent advances in component technology to enable THz and sub-THz systems. Those technologies include folded transmit array modules, low-cost printed board transitions, vector modulators, silicon lens antennas for quasi-optical power distribution and 3D printed waveguides all operating in the sub-THz and THz frequency bands.
This session describes advances in GaN PAs for broadband applications and for high-frequency applications up to Ka-band. To increase bandwidth over the range 9.5–16.5GHz, covering the emerging FR3 wireless band, a novel L-C match with characteristics equivalent to those of a transformer is reported. Another amplifier covers the range 1.5 to 17GHz by separating the band into three frequency ranges, which can be selected by choosing the proper input and output bias networks. To address gain, efficiency and linearity for 5G FR2 (26–28GHz) operation, a balanced GaN stacked FET amplifier and a 3-way Doherty PA are demonstrated.
This session discusses various additively manufactured integrated systems and heterogeneous solutions for high-power applications. The first paper introduces a fully additively-manufactured flexible reconfigurable on-package antenna array with an integrated microfluidic cooling channel for a 5G mm-wave system-on-package design. The second paper presents a 3D-printed flexible mm-wave doppler radar. The third paper presents an SLA-based approach for 3D printed waveguide interconnect that allows array elements to be arranged on 3D/2D grids operating up to 60GHz. The final paper presents a GaN/RF-SOI heterogeneous technology using micro-transfer printing and specifically an SPDT switch operating up to 6GHz.
Recent advances in inverse design of antennas and metamaterials are reported in this session, along with a time-reversal source reconstruction technique, a novel leaky-wave antenna design, as well as a transformation-optics inspired technique for fast analysis of eccentric coaxial waveguides.
This session focuses on new technologies and characterizations for both transmission lines and planar components. A thorough experimental characterization is performed for a microstrip line operating at mm-wave frequencies to explore practical loss mechanisms such as surface roughness. A novel plasma limiter is introduced for creating stopbands at high power levels. Miniaturized planar components are introduced, including a dual-band coupler, a duplexer designed for feeding a practical antenna, and a power splitter with a low amplitude and phase imbalance.
This session will focus on automotive and multiple-input multiple-output (MIMO) radar, specifically examining new trends in beamforming, direction-of-arrival (DOA) estimation, and improving angular resolution. It covers various aspects of these systems ranging from the hardware as well as the related signal processing.
This session focus on non-planar filters. It will address innovative topologies based on novel coupling mechanism and dual-mode resonators, together with filter synthesis.
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In this session, you will learn how model-based design, measurements, and algorithms come together to optimize multi-function and multi-scale RF systems. Attendees will be exposed to state-of-the art physics-based and system-level simulation yielding robust virtual prototypes and digital twins. These models are hardware-validated and demonstrated on key applications such as 5G and GNSS communications, 60GHz radar, and real-time channel emulation. You will also see how machine-learning and optimization are applied to further refine designs, addressing increased system complexity and scale.
This session presents multiple systems operating above 100GHz. These include a phased array transmitter, an imaging radar and communication links over both air and polymer fiber. Novel technologies such as hybrid integration of CMOS and InP will be highlighted.
This session presents a variety of load-modulated power amplifiers in GaN, including Doherty and Load-Modulated Balanced Amplifier (LMBA), targeting high-power techniques. Methods of extending bandwidth and output power dynamic range will be discussed in both hybrid and MMIC implementations.
This session discusses a variety of advanced packaging and interconnect solutions. Specifically the first talk introduces a broadband flip-chip approach for the heterogeneous integration of InP based chiplets and a bipolar CMOS carrier up to 325GHz. The second paper introduces a simple linearly tapered transition from a RWG to air-filled SIW up to 75GHz. The third talk presents a design concept for ultra-broadband wire-bond interconnects up to 135GHz. The last paper discusses the realization of a FoWLP integrated module operating from 50–100 GHz.
The session presents recent advances in the modeling of graphene-coated nanowires and rough surfaces in printed circuit boards at mm-wave frequencies. Propagation of microwave signals originating from sensors and inspection robots is considered, in glacial environments and along buried PVC pipes, respectively. Multifrequency resonators are developed for the sensing of very low dielectric and magnetic losses in ceramics for microwave applications.
This session presents a variety of substrate integrated structures such as SINRD guide and SIW devices and interconnects for operations up to THz. Different processing techniques are used, including CMOS and PCB, with focus on performance enhancement and circuit miniaturization. Double-layered SINRD guide is adopted for mitigating leakage, while a CSRR-loaded SIW technique is used for size reduction at THz. Half-mode and multi-mode schemes are deployed for realizing circuit functions. In addition, an ultra-broadband solution is shown for substrate integration.
This session focuses on advancements in mm-wave radar and imaging systems spanning 24–140GHz frequency range. Topics range from dynamic detection topologies including advanced radar chipset designs, techniques for improved frequency resolution, and active self-interference cancellation.
This session focuses on advanced rectangular waveguide filters for microwave to sub-THz applications.
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In this session advances in technologies for quantum computing and sensing are presented. First, advances in CMOS circuits for communication and signal generation are presented, including a low-jitter clock-data recovery system and a high output-power mm-wave VCO are presented. Next a paper studying the cryogenic performance of chalcogenide phase-change RF switches is presented. This is followed by a paper presenting a microwave technique for improving the field-sensitivity of Rydberg-atom-based receivers operating at room temperature. The session concludes with a pair of papers related to cryogenic metrology, studying the performance of calibration substrates and coaxial air lines at cryogenic temperatures.
This session begins with an industry keynote on microwave photonics, followed by a plasmonic based imager. Next a kinetic inductance detector is presented, and then a THz detector in 16nm FinFET. The session concludes with a comb-based integrated photonics mm-wave transmission.
This session describes novel architectures for power amplifiers operating at >10W output power for both sub-6GHz and mm-wave frequencies. Techniques include exploiting nonlinear behaviors for efficiency or gain enhancement, and circuit realization both in spatial power-combining and packaging techniques.
This session reports recent advances in computational techniques for microwave and mm-wave applications. A keynote on the convergence of simulation, cloud computing and artificial intelligence in electromagnetics will introduce papers that explore quantum computing, efficient integral equation techniques, ray-tracing and hybrid methods targeted at challenging problems.
This session will discuss emerging filter design techniques, integration concepts and novel filtering and diplexer architectures for a wide range of applications starting from L-band and scaling up to mm-waves.
This special session presents advanced RF and microwave research and development projects currently undertaken in Latin American countries. The session addresses research projects in the areas of characterization methods for on-chip and PCB interconnects, machine learning techniques for industrial post-silicon validation of high-speed computer platforms, optimization of supervising networks of electric power distribution grids by smart antenna arrays, advanced load-pull characterization, and X-parameters stability criteria for power devices. An additional purpose of this special session is to open a discussion forum for researchers and engineers working in the various fields of microwave engineering and science in Latin America, as well as to promote potential research collaborations in these fields between Latin American institutions and IMS attendees from other parts of the world.
This session presents novel techniques and technologies applied to non-planar passive components.
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This session will present advances in various quantum devices, circuits and systems. The session will feature a keynote talk on building a superconducting quantum processor which will be followed by talks on non-reciprocal bandpass filters, models for flux-driven superconducting traveling-wave parametric amplifiers, cryogenic CMOS and GaAs low-noise amplifiers, and surface acoustic wave filters.
This session opens with a wideband THz fundamental mixer enabling data rates up to 168Gbps, and is followed by low-loss substrate-integrated D-band waveguide technology for 6G applications. After that, broadband THz switches based on photoconductivity modulation are presented. The session concludes with a metamaterial lens for beam-steering applications.
The session will kick off with a review of HF through UHF power amplifier technology and applications, followed by presentations on power amplifiers using GaAs and GaN devices across the low end of the frequency spectrum.
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This session is focused on the implementation of reconfigurable planar filters and diplexers. The papers include multiple types of reconfiguration including multi-band and multifunction operations, tunable frequency, and adjustable switching behavior.
This session presents microwave systems and sensors suitable for cellular investigations including bacteria discrimination, growth monitoring and tissue imaging as well as internal body temperature measurements. The last paper deals with MRI-induced heating effects of closely allocated implants.
Recent advances in injection locked radar sensing will be introduced in the session.
Near-field WPT application and systems are presented employing inductive and capacitive technologies. Systems with self-calibration and automatic impedance matching are investigated. Biomedical and underwater applications are presented and their performance is discussed.
As frequencies increase with modern communication systems, microwave acoustics need to keep track. In this session, recent results on high-frequency components up to mm-wave frequencies are presented. The first five presentations deal with the simulation and analysis of higher order modes. In the last talk, spurious modes suppression is discussed for Lithium Niobate thin-film acoustic devices.
This session covers measurement advances through mm-Wave and sub-THz frequencies. These characterization methods include applications to phased arrays, imaging and reverberation chambers.
Cost-effective Ka-band and above MMIC power amplifiers are presented in a variety of processes. GaN-on-SiC technology at Ka-W band is featured, along with a GaN MOS-HEMT process with GaN-on-Si in 300mm wafer diameter technology. Two Doherty SOI-CMOS PAs are presented and characterized while amplifying broadband signals.
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This sessions contains advanced reconfigurable filters. The topics include non-planar filters, self-interference cancelation, filtering switches, and multi-band filters.
In this session, design modeling and manufacturing methods for various sensors and systems are demonstrated for applications including food, wood and structural characterisation.
Over the past decades, biomedical radar sensors have been developed for monitoring and detecting physiological condition and location of human targets. Owing to the non-invasive and non-contact characteristics, biomedical radar sensors result in minimal discomfort and can avoid sanitation issues for the targets under detection. Furthermore, due to the recent COVID-19 pandemic, there has been an ever-growing demand on noncontact and portable real-time vital-sign and physiologic monitoring devices. To this end, this focus session will introduce some recent advances in biomedical radar sensing techniques and applications in the microwave and mm-wave regimes.
The session is focused on far-field technologies and applications for wireless power transfer ranging from RF to mm-waves. Components and systems based on silicon CMOS and GaAs pHEMT devices are presented and discussed for high efficiency and power. State-of-the-art circuit configurations are presented, including heat dissipation, multi-beam antennas, and zero-power sensors.
This session will present the latest developments of magnetic devices, for signal processing, and circulators, as well as innovative switching devices. Signal processing based on using spin waves, for passive self-tuning filters will be introduced in this session. Current and future developments of this technology will be outlined, along with the numerous applications of this new class of components. X-band integrated ferrite multiband circulators will also be be shown in this session. The latest developments on innovative switch technologies will be introduced, with waveguide-integrated mm-wave photoconductive switches, and phase-change-material-based multiport switches.
In this session, advanced conducted and over-the-air non-linear characterization techniques will be discussed. The topics include distortion measurements and mitigation, and transient/steady-state measurements. The characterization targets include Doherty power amplifiers, beam-forming arrays and mm-wave transmitters.
mm-Wave MMIC amplifiers, including LNAs and PAs, are presented up to 300GHz in GaN, GaAs and InP technologies. Powers up to 4W are demonstrated in GaN with high efficiency, while state-of-the-art gain-bandwidth products are shown in both PAs and LNAs in an InGaAs mHEMT process. Multi-stage InB HBT power amplifier MMICs demonstrate high efficiency and power at D and H bands.
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This session contains papers on tunable devices and technologies intended for the next generation of radio frequency hardware. There are papers on reconfigurable phase-shifters, a tunable capacitor, a programmable substrate, and a plasma switch.
This session will feature design and characterisation of RF and mm-wave tags, as well as chips for long range sensing and localisation.
This session presents high accuracy physiological sensing and positioning applications.
