Real-Time Demonstration of Integrated Sensing and Communication in the Sub-Terahertz D-Band
Real-time demonstration of an ultra-broadband (4 GHz) integrated sensing and communications (ISAC) system operating at 160 GHz in the upper D-band. The demonstration showcased quasi-monostatic sensing and a 4.9 Gbit/s communication link,...
Intraoperative perfusion assessment by continuous, low-latency hyperspectral light-field imaging: development, methodology, and clinical application
This study presents a hyperspectral light field system for intraoperative tissue oxygen saturation (????????2) analysis and visualization. We present a correlation method for determining SO2 saturation with low computational demands. We...
Sub-THz MIMO Hybrid Beamforming: D-Band Dual-Channel Analog Beamforming Front-Ends Prototyping
Design and implementation of novel D-band (sub-THz) dual-channel (MIMO hybrid) beamforming wireless front-ends operating between 150 and 170 GHz. The system utilizes analog beamforming networks with two 16×16 microstrip Rotman lenses and dual...
Evaluation of a WR6.5 Rotary Joint with two 3D-printed TE01 Mode Transducers
This paper explores a WR6.5 rotary joint based on two 3D-printed mode transducers. Tests from 140 to 170 GHz show about 2 dB of insertion loss across a 16 GHz usable band (145-161 GHz) and less than 15 degree of phase variation, validating 3D...
15 GHz Independently Controllable Dual-Polarized 2-Bit Reconfigurable Intelligent Surface
Experience next-generation reconfigurable intelligent surfaces with a novel dual-polarized 2-bit RIS unit cell offering exceptional 55 dB cross-polarization isolation and 400 MHz bandwidth at 15 GHz. Featuring varactor-loaded bowtie elements and...
Hardware realization of neuromorphic computing with a 4–port photonic reservoir for modulation format identification
We make a deep dive into the fabrication and testing of a photonic reservoir with digital readout. The developed neural network was tested for the identification of modulation formats at 32 Gbaud transmission rates, where it achieved a near-100%...
3D-Aware Latent-Space Reenactment: Combining Expression Transfer and Semantic Editing
3D-LaSR introduces a new way to reenact 3D human heads by navigating the latent space of state-of-the-art Gaussian-splatting GANs, enabling smooth, realistic animations and cross-identity expression transfer from just a single monocular video. By...
CGS-GAN: 3D Consistent Gaussian Splatting GANs for High Resolution Human Head Synthesis
CGS-GAN enables, for the first time, stable, high-quality, and 3D-consistent head synthesis in 3D Gaussian Splatting GANs—without the view-conditioning that previously caused identity drift and inconsistencies. Through targeted multi-view...
Experimental Characterization of Photodiode Transmitters for Probabilistically Shaped High-Speed THz Wireless Transmission
In this paper, we present an experimental investigation of two distinct THz transmitter architectures. While Terahertz (THz) wireless communication is key for 6G networks, a systematic performance comparison between different photonic-generated...
Digital Post-Distortion Architectures for Nonlinear Power Amplifiers: Volterra and Kernel Methods
In modern 5G UEs, the PA consumes large amounts of power. However, there is a trade-off between power efficiency and nonlinear distortion. This study explores digital post-distortion to address PA nonlinearities at the base station. We take a...