The Advanced Practice Paper Competition (APPC) recognizes outstanding technical contributions that apply to practical applications. All finalist papers are on advanced practices and describe an innovative RF/microwave design, integration technique, process enhancement, and/or combination thereof that results in signi cant improvements in performance and/or in time to production for RF/microwave components, subsystems, or systems. 

... and the winner is:

A Notch-Feedback Based 4th-Order 2-4 GHz Bandpass Filter System for S-Band Radar Receiver Protection Under the LTE and Radar Coexistence (TH3C)
Laya Mohammadi, Virginia Polytechnic Institute and State University




Congratulations to this year's finalists! 

Elliptical Alignment Holes Enabling Accurate Direct Assembly of Microchips to Standard Waveguide Flanges at Sub-THz Frequencies (TU1E)
James Campion, KTH Royal Institute of Technology

Nonlinear Technique for the Analysis of the Free- Running Oscillator Phase Noise in the Presence of an Interference Signal (TU2E)
Sergio Sancho, University of Cantabria

0.4-THz Wideband Imaging Transmitter in 65-nm CMOS (TU2F)
Zeshan Ahmad, University of Texas at Dallas

A Fully-Integrated Cartesian Feedback Loop Transmitter in 65 nm CMOS (TU2F)
Jinbo Li, University of California, Davis

2 to 18 GHz High-Power and High-Efficiency Amplifiers (TU2G)
Phu Tran, Northrop Grumman Space Technology

57.5 GHz Bandwidth 4.8 Vpp Swing Linear Modulator Driver for 64 GBaud m-PAM Systems (TU2H)
Alireza Zandieh, University of Toronto

A 128-GS/s 63-GHz-Bandwidth InP-HBT-Based Analog-MUX Module for Ultra-Broadband D/A Conversion Subsystem (TU2H)
Munehiko Nagatani, Nippon Telegraph and Telephone Corp.

Interference Based W-Band Single-Pole Double-Throw with Tunable Liquid Crystal Based Waveguide Phase Shifters (TU3B)
Matthias Jost, Technische Universität Darmstadt

A Low Loss and Self-Packaged Patch Coupler Based on SISL Platform (TU3B)
Kaixue Ma, University of Electronic Science and Technology of China

A Varactor-Tuned Frequency-Reconfigurable Fabric Antenna Embedded in Polymer: Assessment of Suitability for Wearable Applications (TU3C)
Roy B. V. B. Simorangkir, Macquarie University

A Half Mode Inkjet Printed Tunable Ferrite Isolator (TU3G)
Farhan Abdul Ghaffer, King Abdullah University of Science and Technology 

Artificial Gradient-Index Lens Based on Single Unit Cell Layer Fishnet Metamaterial for Phase Correction of a Horn Antenna (TU4E)
Matthias Maasch, Technische Universität Darmstadt

A Design Methodology for Fully Canonic NRN Filters in Coaxial Technology (WE1C)
Guiseppe Macchiarella, Politecnico di Milano

An Active Balanced Up-Converter Module in InP-on-BiCMOS Technology (WE1E)
Maruf Hossain, Ferdinand-Braun-Institut (FBH)

Long-Range Wireless Link With Fiber-Equivalent Data Rate (WE1F)
Kenneth Brown, Raytheon Company

Antennas and Antenna-Electronics Interfaces Made of Conductive Yarn and Paint for Cost-Effective Wearable RFIDs and Sensors (WE1G)

Xiaochen Chen, Tampere University of Technology

A CMOS Single-Cell Deformability Analysis Using 3D Hydrodynamic Stretching in a GHz Dielectric Flow Cytometry (WE1I)

Jun-Chau Chien, University of California, Berkeley

Correlation Between Morphology Change and Microwave Property During Single-Cell Electroporation (WE1I)
Hang Li, Lehigh University

A Multi-Band CMOS Doherty PA with Tunable Matching Network (WE2D)
Paul Draxler, Qualcomm Technologies, Inc.

A Broadband Reconfigurable Load Modulated Balanced Amplifier (LMBA) (WE2D)
Daniel Shepphard, Cardi University

Detection of Vital Signs for Multiple Subjects by Using Self-Injection-Locked Radar and Mutually Injection-Locked Beam Scanning Array (WE2G)
Fu-Kang Wang, National Sun Yat-sen University

An Ultra-Wide Stopband Self-Packaged Quasi- Lumped-Element Low Pass Filter Based on Substrate Integrated Suspended Line Technology (WE4C)
Kaixue Ma, University of Electronic Science and Technology of China 

A Micromachined Differential Probe for On-Wafer Measurements in the WM-1295 (140–220 GHz) Band (WE4D)
Robert Weikle, University of Virginia

Supercomputing-Enabled First-Principles Analysis of Wireless Channels in Real-World Environments (TH1A)
Zhen Pang, University of New Mexico

Very-Low Phase Noise RF-MEMS Reference Oscillator Using AlN-on-Si Resonators Achieved by Accurate Co-Simulation (TH1C)
Johannes Stegner, Technische Universität Ilmenau

Displacement Monitoring System Based on a Quadrature Self-Injection-Locked RadarTechnology (TH1G)
Fu-Kang Wang, National Sun Yat-sen University

Metamaterial Leaky Wave Antenna Enabled Efficient 3D Spectrally-Encoded Microwave Tomography Using Linear Sampling Method (TH1G)
Chung-Tse (Michael) Wu, Wayne State University

Over the Air Characterization for 5G Massive MIMO Array Transmitters (TH2A)
Nuno Carvalho, Instituto de Telecomunicacoes

Waveguide Band-Pass Filter With Reduced Sensitivity to Fabrication Tolerances for Q-Band Payloads (TH2B)
Fernando Teberio, Public University of Navarre

Space Mapping Post-Fabrication Tuning of 3D Printed Air-Filled Waveguide Filter (TH3A)
Song Li, University of Regina

3D Inductors with Nanowire Through Substrate Vias (TH3B)
Júlio Pinheiro, University of Sao Paulo

Zero-Bias, 50 dB Dynamic Range, V-Band Power Detector Based on CVD Graphene (TH3B)
Mohamed Elsayed, Aachen University of Technology

A Notch-Feedback Based 4th-Order 2-4 GHz Bandpass Filter System for S-Band Radar Receiver Protection Under the LTE and Radar Coexistence (TH3C)
Laya Mohammadi, Virginia Polytechnic Institute and State University

UHF Power Amplifier With Self-Contained Dynamic Power Control for Enhanced Efficiency in Back-Off Operation (TH3G)
Marc Franco, QORVO, Inc. 

Wideband LTCC Transitions of Flip-Chip to Waveguides/Connectors for a Highly Dense Phased Array System-in-Package at 60 GHz (TH3H)
Saman Jafarlou, University of California, Irvine

An LTCC-Based 8-Channel 4 to 12 GHz Hybrid Channel-Dropping Multiplexer for a CubeSat Radiometer Mission (TH3H)
Christopher Galbraith, MIT Lincoln Laboratory

A 0.7–1 GHz Tunable RF Front-End Module for FDD and In-Band Full-Duplex Using SOI CMOS and SAW Resonators (TH3I)
Barend van Liempd, IMEC

A New Resonance in a Circular Waveguide Cavity Assisted by Anisotropic Metasurfaces (TH4B)
Xiaoqiang Li, University of California, Los Angeles

ACP-OPLL Photonic IC With no Balanced Photodetection for High Dynamic Range RF Photonic Links (TH4G)
Longtao Xu, University of Massachusetts