Active RIS vs. Passive RIS: Which Will Prevail in 6G?

Zijian Zhang, Linglong Dai, Xibi Chen, +4

IEEE Transactions on Communications

A 1600-Element Dual-Frequency Electronically Reconfigurable Reflectarray at X/Ku-Band

Huanhuan Yang, Fan Yang, Xiangyu Cao, +5

IEEE Transactions on Antennas and Propagation

Electrical EngineeringEngineeringRadio FrequencyOptical PropertiesAntenna +11

A 220-to-320-GHz FMCW Radar in 65-nm CMOS Using a Frequency-Comb Architecture

Xiang Yi, Cheng Wang, Xibi Chen, +3

IEEE Journal of Solid-State Circuits

RadarThz PhotonicsEngineeringRadio FrequencyDc Power +11

Design of Resistor-Loaded Reflectarray Elements for Both Amplitude and Phase Control

Huanhuan Yang, Xibi Chen, Fan Yang, +4

IEEE Antennas and Wireless Propagation Letters

Electrical EngineeringOptical MaterialsEngineeringOptical PropertiesProper Resistor +12

Electronic THz Pencil Beam Forming and 2D Steering for High Angular-Resolution Operation: A 98 $\times$ 98-Unit 265GHz CMOS Reflectarray with In-Unit Digital Beam Shaping and Squint Correction

Nathan M. Monroe, Georgios C. Dogiamis, Robert A. Stingel, +3

2022 IEEE International Solid- State Circuits Conference (ISSCC)

Thz PhotonicsCmos ReflectarrayEngineeringFar-field MeasurementUltra-sharp Beam Forming +20

A 140-GHz FMCW TX/RX-Antenna-Sharing Transceiver With Low-Inherent-Loss Duplexing and Adaptive Self-Interference Cancellation

Xibi Chen, Xiang Yi, Muhammad Ibrahim Wasiq Khan, +7

IEEE Journal of Solid-State Circuits

Wireless CommunicationsEngineeringDc PowerMicrowave TransmissionAdaptive Self-interference Cancellation +14

Active RIS vs. Passive RIS: Which Will Prevail in 6G?

Zijian Zhang, Linglong Dai, Xibi Chen, +4

arXiv (Cornell University)

Wireless CommunicationsActive RissMimo SystemEngineeringMultiuser Mimo +9

A 265-GHz CMOS Reflectarray With 98×98 Elements for 1°-Wide Beam Forming and High-Angular-Resolution Radar Imaging

Xibi Chen, Nathan M. Monroe, Georgios C. Dogiamis, +3

IEEE Journal of Solid-State Circuits

A 140GHz Transceiver with Integrated Antenna, Inherent-Low-Loss Duplexing and Adaptive Self-Interference Cancellation for FMCW Monostatic Radar

Xibi Chen, Muhammad Ibrahim Wasiq Khan, Xiang Yi, +7

2022 IEEE International Solid- State Circuits Conference (ISSCC)

EngineeringRadio FrequencySmart AntennaAdaptive Self-interference CancellationSufficient Trx Isolation +14

Active RISs: Signal Modeling, Asymptotic Analysis, and Beamforming Design

Zijian Zhang, Linglong Dai, Xibi Chen, +4

GLOBECOM 2022 - 2022 IEEE Global Communications Conference