activity
20232026
most citedAFDM vs OTFS: A Comparative Study of Promising Waveforms for ISAC in Doubly-Dispersive Channels

1 citations · 1 across the 5 of their papers we have counts for

collaborators

5 papers

cs.IT2026

Structured-Sparsity-Aware Joint User Activity Detection and Channel Estimation for OTFS-Based Grant-Free Random Access

Yao Ge, Yirui Luo, Yuhao Chi +4

Grant-free random access (GFRA) is a promising solution for massive machine-type communications (mMTC) in future wireless networks. However, reliable user activity detection and ch…

eess.SP2025

Basis Expansion Extrapolation based Long-Term Channel Prediction for Massive MIMO OTFS Systems

Yanfeng Zhang, Xu Zhu, Yujie Liu +3

Massive multi-input multi-output (MIMO) combined with orthogonal time frequency space (OTFS) modulation has emerged as a promising technique for high-mobility scenarios. However, i…

eess.SP2024

Enabling Massive Index Modulation Systems via Combinatorics-Free Detection

Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Takumi Takahashi +2

Index modulation (IM) is one of the key enabling technologies for beyond fifth generation (B5G) and sixth generation (6G) wireless systems, attracting attention for its inherent en…

eess.SP2023

Soft-connected Rigid Body Localization: State-of-the-Art and Research Directions for 6G

Niclas Führling, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu +2

This white paper describes a proposed article that will aim to provide a thorough study of the evolution of the typical paradigm of wireless localization (WL), which is based on a…

eess.SP2023★ 1 cited

AFDM vs OTFS: A Comparative Study of Promising Waveforms for ISAC in Doubly-Dispersive Channels

Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Junil Choi +4

**PLEASE FIND THE FULL EXTENDED ARTICLE "From OTFS to AFDM: A Comparative Study of Next-Generation Waveforms for ISAC in Doubly-Dispersive Channels" (Accepted for publication at th…