Embedded Files
Hardware we have designed, fabricated, and measured, as reported in our first- or corresponding-author journal and conference papers. Each card shows the prototype, its key measured performance, and a link to the paper.
Radar Systems
Polarization/Pattern-Reconfigurable X-Band FMCW Radar
9.0–9.5 GHz chirp (0.3 m resolution) with lens antennas
Three azimuth zones with two RX, no diodes or bias circuits
RX array 15.3/14.2 dBi (H/V), TX LHCP 12.61 dBi
Wireless-LO Distributed FMCW Radar
Radiated LO at 4.15–4.40 GHz over a 90° sector
Nodes synthesize 8.30–8.80 GHz FMCW waveforms
Coherent SNR gain 6.0 dB avg. (up to 7.8 dB)
24 GHz CP 2-D MIMO Radar Front-End
2TX/4RX in a 2.0λ × 2.0λ scalable tile
1 GHz bandwidth, ~114.6° FoV (az/el)
Gain > 8 dBic over the band
AI-Enhanced CW Vital-Sign Radar
24.125 GHz free-running CW radar with control board
Bi-LSTM frequency correction
Accuracy: respiration 97.5%, heart rate 97.8%
Paper: [C20] IEEE CCNC, 2026
Distributed Dual-Polarized FMCW Radar
Two H/V radar nodes, 0.5 GHz bandwidth
Lens array antenna 22.4 dBi, 148 × 148 mm
Detects a person 5.8 m behind a 0.14 m concrete wall
Dual-Polarized FMCW SAR Radar for Vehicles
9.6–10.3 GHz lens antenna, 18.0/18.1 dBi (H/V)
Polarization isolation > 38 dB
Coupler-integrated real-time state monitoring
X-Band Dual-Polarized Through-the-Wall FMCW Radar
Lens antenna 17.3 dBi, 25.4% bandwidth
Feed isolation < −35 dB
Polarization synthesis for multi-human detection
Paper: [J20] IEEE Access, 2025
Oblique-Incidence Bistatic Through-Wall Radar
3TX/4RX dual-polarized FMCW radar board
8.3–8.8 GHz with 17.3 dBi lens antennas
Paper: [C18] IEEE RadarConf, 2025
24 GHz High-Resolution FMCW Radar
24–26 GHz, 0.075 m range resolution
Coupler-integrated DRA, gain > 15.1 dBi
Real-time tracking of the radiated signal
Paper: [C8] GSMM, 2022
Phased Arrays & Wide-Coverage Antennas
28 GHz Switched-Beam Antenna Module
Three radiators with one RF switch
Peak gain 5.62 / 7.2 / 5.77 dBi
3 dB beam coverage −66° to 64°
Chip-Integrated CP Phased Array
9.9–12 GHz, beamforming ICs on a multilayer PCB
Guided aperture-coupled feed
Scan range −50° to 50°
Student Paper Competition Finalist
Paper: [C11] IEEE RFIT, 2022
5.8 GHz Wideband CP Phased Array
1 × 8 array, 5.2–6.4 GHz (20%)
Axial ratio < 2 dB over ±57° scan
Paper: [J11] IEEE Trans. Antennas Propag., 2022
Paper: [C12] EuRAD, 2022
Wide-Angle Scanning Phased Array
5.8 GHz 1 × 16 half-ellipse magnetic dipoles
Element HPBW 162°, peak gain 8.63 dBi
Scan range −90° to 90°, system gain 29.3 dBi
Paper: [C4] IEEE AP-S, 2019
Paper: [J10] J. Electromagn. Waves Appl., 2022
Wide-Azimuth V2X Mirror Antenna
5.9 GHz HMSIW, 70 × 35 × 1.52 mm
Gain 9.49 dB, 74° azimuth beamwidth
Reconfigurable 2-D AR-Beamwidth CP Antenna
5.2–6.4 GHz wideband circular polarization
Axial ratio < 3 dB over ±60° at every azimuth
Paper: [J6] IEEE Access, 2021
Antennas & EM Materials
Flexible Ag-Nanonetwork Transparent UWB Antenna
Transmittance 90.74%, sheet resistance 1.83 Ω/sq
3.2–10.6 GHz, radiation efficiency up to 76.4%
Stable after 10,000 bending cycles
Metal-Mesh Transparent Antenna
Transmittance > 85% on PET, 55 × 40 mm
2.61–5.2 GHz (66.3%), peak efficiency 92.4%
Ku/Ka Dual-Band Shared-Aperture Array
Single-fed 2 × 4 sequentially rotated array
17.4–19.7 GHz RHCP, 13.7 dBi
27.0–29.0 GHz LHCP, 15.6 dBi
Flash-Induced Porous Graphene EMI Shield
5 × 10 cm² per flash, density 0.0354 g/cm³
Absolute shielding 1.12 × 10⁵ dB·cm²/g
−10.8 dB radiated field on a radar PCB
ITO/Ag/ITO Transparent UWB Antenna
Transmittance 88%, sheet resistance 3.1 Ω/sq
2.5–10.6 GHz (123%), peak efficiency 66%
Best Student Paper Award (Honorable Mention), PIERS 2023
Paper: [J7] IEEE Access, 2021
Paper: [C16] PIERS, 2023
Wireless Power & Instrumentation
Omnidirectional Wireless Power Transfer
6.78 MHz, three orthogonal Ø150 mm TX coils
60 × 70 mm receiver with BLE feedback
Efficiency +5.8% (192 mm) / +10.7% (146 mm)
Compact Broadband Vector Network Analyzer
3–13.6 GHz, 130 × 60 mm
51.5 dB dynamic range
Semiconductor process-chamber diagnosis
Multi-Receiver Wireless Charging System
1 MHz loosely coupled series–series coils
Maximum-efficiency point tracking for multiple receivers
Page updated
Google Sites
Report abuse