1 citations · 1 across the 2 of their papers we have counts for
3 papers
eess.SP2025
Multi-dimensional Parameter Estimation in RIS-aided MU-MIMO-OFDM Channels
Linlin Mo, Yi Song, Fabio Saggese +3
We address the channel estimation (CE) problem in reconfigurable intelligent surface (RIS) aided orthogonal frequency-division multiplexing (OFDM) systems by proposing a dual-struc…
cs.IT2024★ 1 cited
Hybrid Message Passing-Based Detectors for Uplink Grant-Free NOMA Systems
Yi Song, Yiwen Zhu, Kun Chen-Hu +3
This paper studies improving the detector performance which considers the activity state (AS) temporal correlation of the user equipments (UEs) in the time domain under the uplink…
cs.IT2022
Hybrid Message Passing Algorithm for Downlink FDD Massive MIMO-OFDM Channel Estimation
Yi Song, Chuanzong Zhang, Xinhua Lu +2
The design of message passing (MP) algorithms on factor graphs is an effective manner to implement channel estimation (CE) in wireless communication systems, which performance can…