This session is composed of innovative tunable and active filters. The first paper will discuss a non-reciprocal bandpass filter using spatio-temporal modulation. In addition, a tunable six-channel diplexer with compact size will be presented. An N-path filter with frequency/code-domain filtering, a balanced-balanced tunable filtering LNA, an electronically-reconfigurable doublet topology, and a liquid-metal-tuning bandpass filter will also be presented.
This session presents various effects, phenomena, and modeling techniques. Modeling techniques include an approach for the numerical analysis of inhomogeneous waveguides with anisotropy, and an extension of the planar circuit segmentation method. In the area of propagation, a planar transmission line with enhanced nonreciprocity is presented, and another study is given on exciting Zenneck-wave-like fields on the surface of the earth or ocean. In the scattering area, a novel metasurface is introduced that retro-reflects a circularly polarized wave back to the source, and one more paper experimentally verifies an active cloak that hides a metallic object.
The session presents recent results obtained in the area of microwave and millimeter wave measurements of material properties. It also reports on novel applicators of microwave power, material processing methods, and related modeling techniques.
This session includes a selection of papers covering HF/VHF/UHF technologies in power amplification, linearization, and antennas.
This session will showcase reconfigurable filters with reconfigurable transfer functions and stopbands. An innovative filter topology that enables independent tuning and seamless merging of multiple passbands will be discussed. In addition, a filter that utilizes a single tuning element to create a response with minimum variation in absolute bandwidth and Q will be presented. A novel method using dual-mode cavities to create transmission zeros, a folded ridge waveguide dual-band tunable bandstop filter, and a filter using a resonant inverter structure will also be presented.
The session presents diverse selection of new numerical techniques for efficient analysis and design of advanced large-scale microwave and multi-physics applications including RF magnetics, integrated circuits, touch-screens, and radiation systems. Novel time- and frequency-domain forward and inverse methods including fast algorithms, matrix-free methods, time-reversal, and uncertainty quantification are featured.
This session presents recent advancements in biomedical radar technology.
This exciting session presents advancements in low noise components embracing cutting edge sensing applications. The papers in this session present innovative circuit techniques as well as technology enhancement across a wide range of operating temperatures. Integrated circuits and packaged components leveraging silicon and compound semiconductors are at the core of these new advancements covering the frequency range from 1 to 200 GHz. Applications benefiting from these results range from phased arrays to quantum computing and radio astronomy.
This session presents latest developments on continuously tunable phase shifters based on semiconductors as well as tunable materials. Furthermore, new tuning techniques based on liquid metals and ferrites for nonreciprocal transmission lines, resonators and switches are shown.
The session focuses on advanced behavioral and statistical device characterization and modeling procedures. The first two papers are devoted to optimized behavioral model extractions starting from device load-pull characterization. The other two contributions deal with the statistical modeling of devices as a result of parametric process variations via X-parameter and large-signal models.
Improving diagnostic accuracy for biomedical purposes is currently an intensively investigated research topic. This session will explore the latest advancements on microwave imaging, sensing and manipulation of biological samples ranging from single cells to in-vivo tissue. Application of scanning microwave microscopy, thermoacoustic imaging and lab-on-chip biosensors will be discussed for novel diagnostics and in situ monitoring approaches.
This session introduces advances in frequency conversion techniques. Down convertor at 180 GHz, V-band mixer, K-band frequency multiplier, power modulator, and V-band OOK demodulator, and X-band injection-locked frequency divider will be presented.
The past few years have seen accelerated developments in the area of quantum computing. Some of the most viable quantum computing technologies are intimately related to microwave theory and techniques. This session will bring to the Microwave Symposium some of the key contributors of the microwave qubit community, in an effort to provide a comprehensive overview of the latest developments in this field and inspire fruitful interactions between this community and MTT-S.
This session focuses on novel RFID system integration and applications. New backscatter modulation schemes and localization techniques are presented.
This session presents a variaty of new radar sensors and applications. The session covers applications like gesture sensing, concrete surface crack detection, sub-micrometer ranging and audio signal capture. The frequency range spans from Wi-Fi to THz.
This session presents state-of-the-art designs of integrated power amplifiers in various CMOS technologies. The focus is primarily on emerging mm-Wave PAs, but a novel sub-6 GHz PA is also presented. The designs target linear and efficient power amplification towards 5G wireless communications.
This session is concerned with all-polarizations-enabled high-Q quasi-optical grating interfaces, wide W-band waveguide-to-planar line transitions, and 3-D printed hollow waveguide structures. Theoretical and experimental results are discussed and presented. Design aspects and topological features are exploited.
In this session, advances on algorithmic methodologies for complexity reduction in yield estimation and design optimization of RF and microwave circuits are presented. It includes state-of-the-art techniques for error estimation in model order reduction, yield prediction exploiting variable fidelity simulators and response features, as well as space mapping applications to tuning microwave waveguide filters and radar scattering from complex targets.
In this session a number of innovative biosensors are presented. These include blood-pressure, heart-sound, and vital-sign sensing systems.
The four papers in this session covers oscillator designs from GHz to sub-THz range. Presented techniques aim for reduction of phase noise, micro-watt-level power consumption, quadrature generation via sub-harmonic injection locking, as well as dual-band oscillation at non-harmonic frequencies.
This session focuses on the development and advancement of chipless RFID technology. In particular the design and validation of the tags as well as new techniques for reading are presented.
Novel developments in technologies for radar systems will be discussed. These include recent advances include power amplifiers, antennas and systems that utilize them in addition to recent advances enabling integrated radar systems.
In this session, wideband, reconfigurable, compact, and multiway power dividers, baluns, and magic-T are proposed and implemented with applied novel techniques including folded inductor on CMOS, defected ground structure, self-packaged SISL, and compensation shield structure for emerging 5G, WLAN, and multiband wireless communication systems applications.
This session will present advanced analysis, design, and characterization techniques related to nonlinear circuits and systems for wireless communications, including oscillators, power amplifiers and MIMO transceivers.
This session presents latest development on various aspect of mm-Wave technologies to enable 5G communication. It starts with a discussion on predistortion at array level and follow up with presenting phased array performance at 5G primary bands (28 and 39 GHz) and we conclude the session by a tri-band transmitter covering cellular and wifi mm-wave bands.
This session presents recent advances in mm-wave and THz systems
from 60 GHz to 500 GHz for communication and sensing applications.
Microwave Acoustic Resonators and Filters are key components in the RF frontend carrier aggreation architectures in mobile phones for frequency duplexing and filtering. Laterally excited bulk wave and fin bulk resonators are attractive for 5G applications. For full-duplex architectures non-reciprocal acoustic filters and acoustic delay-element-based sequentially switched delay-line circulators are presented. Finally, tunable frequency agile resonators are presented with a potential to reduce the ever increasing complexity of the RF frontends.
Advances in technologies that enable radar systems will be discussed. Recent advances are described in algorithms and processing for 2D imaging, distance measurements, and real-time radar. Advances that apply to cooperative, 3D imaging and lower cost radar systems are included.
This session covers new developments in high efficiency GaN amplifiers from UHF through Ka-band. Recent advances in Doherty/outphasing architectures will be presented.
This session presents the latest results in passive components. The topics range from material level to the component level. Novel methods to implement classic components such as switches, phase shifters, circulators and hybrids are discussed in this session. The session features four papers. Wide-bandwidth designs and low-loss designs are realized in different technologies, such as printed circuit boards and waveguides.
Novel modeling methods for nonlinear microwave devices will be covered in this session. The session begins with papers on ferrimagnetic frequency-selective limiters. Nonlinear AlGaN/GaN HEMT and varactor modeling methods are then presented. The session closes with a multi-box mixer model and its validation.
Different aspects of 5G technologies, design and measurement techniques are presented. The talks include GaN-on-Si and BiCMOS PAs; self-interference cancellers; and 5G measurement techniques.
Technology capabilities of advanced silicon-based and III/V processes are rapidly improving and enable transceivers at mm-Wave frequencies.
Circuit techniques and technology demonstration will be presented in this session.
This session includes the latest advances in control materials for RF front-ends including application of phase change, thin-film ferroelectric and ferrites for switches matrices, duplexers and frequency selective limiters and switchable stacked crystal filters.
Recent advances in broadband transceiver chips for both radar and communications systems will be highlighted. Advances include higher levels of integration in low-cost CMOS, moving towards massive MIMO and advances for contactless communications utilizing plastic waveguide.
This session describes wide bandwidth design techniques and circuit examples. Two papers present state-of-the-art distributed power amplifiers. The remaining papers in the session describe high-efficiency design techniques.
This session will provide an overview of recent research findings on the realization of substrate integrated waveguide (SIW)-based bandpass filters for a wide range of applications covering frequencies as low as wireless LAN to millimeter-wave bands. The session will focus on both new design aspects as well as novel integration schemes.
This session addresses advances in mixed-signal circuits and systems. The first two presentations cover stacked CMOS topology for higher output voltage, while maintaining the RF performance in terms of bandwidth and speed for optical modulator drivers and all-digital transmitters. The other two papers introduce an inductorless high-speed digital logic family for ADCs and a near-field inductively coupled high-speed digital interconnect concept.
This session presents the newest developments in wireless communication RF front-end and system architectures that results in high capacity. This includes approaches taking advantage of broad bandwidth, high spectral efficiency modulations and spatial diversity. In particular, millimeter wave, MIMO and beamforming communication systems will be discussed.
This session presents recent advances in device and system technologies for emission, modulation, and detection of microwave and THz signals. Presentations will show novel THz source and detector architectures for advanced communication and spectroscopy, microwave-photonics devices for improved modulation bandwidth, and enhanced transmit and receive capabilities.
This session covers advanced MEMS resonators, oscillators, and impedance tuners, as well as linearity measurement techniques well-suited to the high linearity performance achieved by MEMS switch technology. It discusses solutions that use a range of materials such as ScAIN, silicon-ceramic composite substrates, silicon-on-insulator substrates, and commercially-available components.
This session focuses on recent research on non-destructive microwave sensing of material properties for a variety of applications, including near-field imaging, dielectric spectroscopy, eye tracking, and fluid-leakage detection.
In this session, a filter synthesis-based frequency dependent coupling scheme for dual-band filters in presented. A multi-band differential bandpass filter using common-mode suppression for higher stopband rejection and a multi-band bandpass filter design using a reflected group delay method are featured. Next, an absorptive filter using a complementary duplexer is introduced for a negative group delay response. Finally, a substrate integrated waveguide (SIW) filter is described, giving size reduction for mm-wave applications.
This session discusses the latest advances in RF and millimeter-wave interconnects and packaging. The first paper focuses on tiled 5G module on LTTC with integrated micro-channels. The second paper discusses micro-coaxial cables for high density integration and 3D interconnects. The third paper focuses on D-band waveguide to CPW transitions. The last two papers focus on novel antenna-based interconnects and on-textile integration.
This session highlights innovations in active phased array systems from state-of-the-art industrial and academic recent accomplishments. Scalable and modular phased array systems for communication applications are presented. In particular, phased array systems for satellite communications, 5G, millimeter-wave Gbps applications will be presented.
This session focuses on innovative technologies for system applications. Topics include novel techniques for spectroscopy, wireless connectors for IOT, multifunctional structures, radar sensor and physical layer security technique.
Nanoscale devices for RF to THz applications are presented. Ferro-magnetic resonance frequency studies are performed using magnetic nano-wires. A black phosphorus MOSFET is fabricated and characterized for good high frequency performance. A high yield fabrication procedure is discussed for use at 220 GHz. The use of quantum capacitance in graphene is explored for parametric amplifiers and down converters. Inverted scanning microwave microscopy is studied for nanometer-scale imaging in platinum diselenide. Magnetic nano-particles are used for developing a compact band-stop filter.
While RF/mmW amplifiers are key elements in modern wireless communications and DoD applications, current RF/mmW amplifier performance has approached near saturation and current practice in amplifier designs requires a trade-off between linearity and efficiency. With 5G on the horizon and DoD RF systems moving to the millimeter-wave regime, novel RF/mmW transistor technologies with extreme linearity and efficiency are highly desirable. This focused session will cover emerging mmW transistor technologies toward 5G wireless applications and DoD applications.
Several wireless power transfer systems and innovative test bed for rectantenna characterization are presented in this session. Industrial and space applications are considered, along with a low-power receiver and an experimental platform for non conventional excitations.
This sessions includes descriptions of novel PA design techniques, such as current mode outphasing and input waveform shaping for high efficiency. The design of baseband terminations is an important and topical subject in high power wideband PA design, and we have three papers describing design, analysis, and implementation of wide bandwidth baseband terminations.
Advances on non-planar filters and multiplexers technologies and design techniques
This session highlights recent advances in 3D printed RF components and interconnects. A squeezed spherical cavity is presented that uses a rectangular slot for higher order mode suppression. Then an integrated transition between suspended rectangular coaxial lines to rectangular waveguide is shown. Novel interconnects including a laser-enhanced direct-printed CPW line operating up to 110 GHz is demonstrated, while a coaxial-to-two parallel wireline is tested up to 40 GHz. The session concludes with a novel helical-based microstrip transmission line enabling phase implementation in fixed length structures.
This session focuses on techniques for self-test and calibration of phased array systems, interference mitigation for digital arrays, novel components for beam forming and integrated T/R modules.
This session will include papers presenting record results for GaN and InP power amplifiers (PA) as well as new measurement data of PA cells in III-V HEMT technologies at terahertz bands.
This session includes THz calibration elements, probes for differential sub-THz and dielectric waveguide, and systems for extreme impedance measurement. The session concludes with an analysis of bias in Monte Carlo uncertainty evaluation. This is a joint IMS/ARFTG session
Advances in silicon frequency discriminator circuits, substrate parasitics reduction and InP/GaAs HBT microwave monolithic ICs.
Recent advanced in rectenna and rectenna systems, such as millimeter differential rectifier in CMOS technology and high gain and large beamwidth harvsters with Iot and 5G applications.
Load-modulated PAs enable higher efficiency at back-off. This can be achieved through 2-way or N-way Doherty or other non-isolated output combiner networks. Low-power CMOS through high-power GaN and LDMOS implementations are presented over various bandwidths below 6GHz.
Advances on non-planar filters technologies and design techniques
This session features papers that focus on novel RF components and modules that have been realized using additive manufacturing techniques. One paper focuses on an origami frequency selective surface structure that is integrated with thermal actuation mechanisms. A second origami design is based on a 3D-printed foldable substrate. The third paper is a microfluidics-based 3D-printed Butler matrix in coaxial technology. The session concludes with a demonstration of an embedded-on-package 5G energy harvester system.
This session includes MIMO antenna array characterizations, GaN transistor transient measurements, a calibration method for oscilloscope using a large signal network analyzer (LSNA), and a phase calibration improvement for the LSNA. This is a joint IMS/ARFTG session
Advanced gallium nitride devices and MMICs are presented including GaN/Diamond technology, and mm-Wave GaN switches, phase-shifters, and amplifiers.
Systems designed over a broad frequency range are introduced in the presence of lossy media such as sea water and biological issuee. Single-band and multi-band solutions are proposed employing machine learning approach