Research
System RF/Analog IC Design — from fundamental circuit theory to state-of-the-art system-on-chip implementations for next-generation wireless and sensing applications.
RFIC for Wireless Communication & Broadcasting
Design and development of radio-frequency integrated circuits for next-generation wireless communication standards. Our work covers the full transceiver chain from antenna interface to baseband processing, with ultralow-power communication transceiver design for LTE, GPS, WIFI, NFC, and more.
Research Topics
- 5G NR Transceiver Design (sub-6 GHz and mmWave)
- LTE/LTE-A Transceiver Front-End Modules
- DMB Receiver and GPS Receiver ICs
- RF On-Chip Front-End Module (FEM) Integration
- Ultralow-power communication transceiver for LTE, GPS, WIFI, NFC
RFIC for Wireless Local Area Network
Integrated circuit solutions for short-range wireless connectivity standards, focusing on low-power, high-data-rate communication for IoT and consumer electronics applications. Millimeter-wave circuit and system design for 5G and 60G WPAN.
Research Topics
- WIFI 6/6E Transceiver Design
- NFC Transceiver for Mobile Payment Systems
- Ultra-Wideband (UWB) Transceiver for Precise Ranging
- Millimeter-wave circuit and system design for 60G WPAN
- WIFI Front-End Module Design
Analog & Mixed-Mode Integrated Circuits
Novel circuit architectures for data conversion, frequency synthesis, and power management. Our designs emphasize ultra-low power consumption and high performance for mobile and IoT platforms. Key achievements include Digital PLL, Low Power PLL, Delta-Sigma ADC, and PMIC designs.
Research Topics
- Delta-Sigma ADC with Novel Quantizer Architectures
- DC-DC Converter and LDO Regulator Design
- Current-Reuse VCO and Hartley Oscillator Topologies
- Ultra-Low Power PLL and Digital PLL (DPLL)
- Power Management IC (PMIC) for Mobile Systems
- Wideband Voltage-Controlled Oscillator (VCO)
Radar on a Chip (ROC)
Fully integrated radar transceivers for automotive and industrial sensing applications. Our FMCW radar ICs achieve state-of-the-art performance in CMOS technology. Key results include 24 GHz 4TX-4RX CMOS IC (MIMO Beamforming Radar Transceiver, 65nm CMOS), 60 GHz 8TX-8RX CMOS IC (MIMO Radar Transceiver, 65nm CMOS), and MIMO/Beamforming Radar Module with commercialization in progress.
Research Topics
- X-Band CMOS Radar Transceiver IC Design
- 24 GHz 4TX-4RX Radar SoC Chip (65nm CMOS)
- 60 GHz 8TX-8RX Radar SoC Chip (65nm CMOS)
- MIMO/Beamforming System Design and Radar Modules
- Automotive Radar IC (77-81 GHz FMCW)
- Motion Sensor Radar (10 GHz, 24 GHz)
- CMOS/SOI/GaAs Process Chip Fabrication
RF/Microwave Circuit & System
System-level design and integration of RF/microwave circuits for communication and sensing applications, bridging the gap between IC-level and system-level implementations. Multi-channel radar antenna, module, and signal processing development.
Research Topics
- Hybrid RF System Integration
- Power Amplifier Module Design
- Passive and Active Filter Design
- Novel Coupler and Balun Architectures
- Multi-channel Radar Antenna and Module Design
Flagship Research Results
IC Die20 Chips
60 GHz 8TX-8RX FMCW RADAR Transceiver (Wirebond)
60 GHz 8TX-8RX FMCW RADAR Transceiver (WLCSP)
60 GHz 4TX-4RX FMCW RADAR Transceiver
24 GHz FMCW Monopulse RADAR Transceiver
24 GHz 4TX-4RX FMCW RADAR Transceiver (Die)
Radar Modules1 Module
