activity
20242026
collaborators

9 papers

cs.AR2026

BitFair: A 12-nm Bit-Serial CNN Accelerator with Learnable Early Termination and Adaptive Bit Ordering for Ultra-Low-Power XR Vision

Ang Li, Chang Gao

Extended Reality (XR) wearables require always-on perception within tight power envelopes of a few watts and motion-to-photon latency budgets below 20 ms, leaving only a few millis…

cs.CV2025

RadMamba: Efficient Human Activity Recognition through Radar-based Micro-Doppler-Oriented Mamba State-Space Model

Yizhuo Wu, Francesco Fioranelli, Chang Gao

Radar-based Human Activity Recognition (HAR) is an attractive alternative to wearables and cameras because it preserves privacy, and is contactless and robust to occlusions. Howeve…

eess.SP2025

OpenDPDv2: A Unified Learning and Optimization Framework for Neural Network Digital Predistortion

Yizhuo Wu, Ang Li, Chang Gao

Neural network (NN)-based Digital Predistortion (DPD) improves linearization for wideband radio frequency (RF) power amplifiers (PAs) but often increases the complexity of the digi…

eess.SP2025

Neural-HAR: A Dimension-Gated CNN Accelerator for Real-Time Radar Human Activity Recognition

Yizhuo Wu, Francesco Fioranelli, Chang Gao

Radar-based human activity recognition (HAR) is attractive for unobtrusive and privacy-preserving monitoring, yet many CNN/RNN solutions remain too heavy for edge deployment, and e…

cs.AR2025

SparseDPD: A Sparse Neural Network-based Digital Predistortion FPGA Accelerator for RF Power Amplifier Linearization

Manno Versluis, Yizhuo Wu, Chang Gao

Digital predistortion (DPD) is crucial for linearizing radio frequency (RF) power amplifiers (PAs), improving signal integrity and efficiency in wireless systems. Neural network (N…

eess.SP2025

TCN-DPD: Parameter-Efficient Temporal Convolutional Networks for Wideband Digital Predistortion

Huanqiang Duan, Manno Versluis, Qinyu Chen +2

Digital predistortion (DPD) is essential for mitigating nonlinearity in RF power amplifiers, particularly for wideband applications. This paper presents TCN-DPD, a parameter-effici…