3 papers
eess.SP2025
Parallel Delay-Doppler Estimation via Order-Reversed Two-Stage Prony Method
Yutaka Jitsumatsu, Liangchen Sun
This paper proposes a Prony-based parallel two-stage method for delay-Doppler estimation in OTFS systems. By performing delay-first and Doppler-first estimations in parallel and fu…
eess.SP2025
Two-Stage Prony-Based Estimation of Fractional Delay and Doppler Shifts in OTFS Modulation
Yutaka Jitsumatsu, Liangchen Sun
This paper addresses the estimation of fractional delay and Doppler shifts in multipath channels that cause doubly selective fading-an essential task for integrated sensing and com…
eess.SP2025
Design of OTFS Signals with Pulse Shaping and Window Function for OTFS-Based Radar
Liangchen Sun, Yutaka Jitsumatsu
We propose a pulse radar system that employs a generalized window function derived from the root raised cosine (RRC), which relaxes the conventional constraint that the window valu…