arxiveess.SP2026-07-24
Continuous Intra-Symbol Phase Noise Tracking for THz OFDM via Polynomial Reconstruction
Sawatsakorn Chaiyasoonthorn, Ura Klongklaew, Phichai Youplao
Terahertz (THz) communication systems for sixth-generation (6G) networks are severely impaired by Wiener phase noise (WPN), whose innovation variance at sub-THz carriers is substantially larger than in millimeter-wave 5G systems. Conventional common-phase-error (CPE) compensation…