3 papers
eess.SP2026
Low-Complexity Tone Injection via Candidate Ranking for PAPR Reduction in OFDM and AFDM Systems
Yupeng Zheng, Ang Li, Jinfei Wang +2
Tone injection (TI) is a promising distortionless PAPR reduction technique that incurs no spectral efficiency loss. However, state-of-the-art TI schemes based on random candidate g…
cs.IT2026
Region-Based Constellation Designs for Constructive Interference Precoding in MU-MIMO
Yupeng Zheng, Chunmei Xu, Jinfei Wang +2
The performance of constructive interference precoding (CIP) for multi-user multi-antenna (MU-MIMO) systems is governed by the structure of the constructive interference (CI) regio…
eess.SP2025
Hybrid Constellation Modulation for Symbol-Level Precoding in RIS-Enhanced MU-MISO Systems
Yupeng Zheng, Yi Ma, Rahim Tafazolli
The application of symbol-level precoding (SLP) in reconfigurable intelligent surfaces (RIS) enhanced multi-user multiple-input single-output (MU-MISO) systems faces two main chall…