activity
20212024
most citedRC-Struct: A Structure-based Neural Network Approach for MIMO-OFDM Detection

30 citations · 46 across the 8 of their papers we have counts for

collaborators

8 papers

eess.SP2024

Neural Network-based Two-Dimensional Filtering for OTFS Symbol Detection

Jiarui Xu, Karim Said, Lizhong Zheng +1

Orthogonal time frequency space (OTFS) is a promising modulation scheme for wireless communication in high-mobility scenarios. Recently, a reservoir computing (RC) based approach h…

eess.SP2024

Learning at the Speed of Wireless: Online Real-Time Learning for AI-Enabled MIMO in NextG

Jiarui Xu, Shashank Jere, Yifei Song +3

Integration of artificial intelligence (AI) and machine learning (ML) into the air interface has been envisioned as a key technology for next-generation (NextG) cellular networks.…

eess.SP2023

2D-RC: Two-Dimensional Neural Network Approach for OTFS Symbol Detection

Jiarui Xu, Karim Said, Lizhong Zheng +1

Orthogonal time frequency space (OTFS) is a promising modulation scheme for wireless communication in high-mobility scenarios. Recently, a reservoir computing (RC) based approach h…

eess.SP2023

Learning to Estimate: A Real-Time Online Learning Framework for MIMO-OFDM Channel Estimation

Lianjun Li, Sai Sree Rayala, Jiarui Xu +2

In this paper we introduce StructNet-CE, a novel real-time online learning framework for MIMO-OFDM channel estimation, which only utilizes over-the-air (OTA) pilot symbols for onli…

eess.SP2022★ 16 cited

Detect to Learn: Structure Learning with Attention and Decision Feedback for MIMO-OFDM Receive Processing

Jiarui Xu, Lianjun Li, Lizhong Zheng +1

The limited over-the-air (OTA) pilot symbols in multiple-input-multiple-output orthogonal-frequency-division-multiplexing (MIMO-OFDM) systems presents a major challenge for detecti…

cs.IT2021★ 30 cited

RC-Struct: A Structure-based Neural Network Approach for MIMO-OFDM Detection

Jiarui Xu, Zhou Zhou, Lianjun Li +2

In this paper, we introduce a structure-based neural network architecture, namely RC-Struct, for MIMO-OFDM symbol detection. The RC-Struct exploits the temporal structure of the MI…

eess.SP2021

Learning to Equalize OTFS

Zhou Zhou, Lingjia Liu, Jiarui Xu +1

Orthogonal Time Frequency Space (OTFS) is a novel framework that processes modulation symbols via a time-independent channel characterized by the delay-Doppler domain. The conventi…

cs.LG2021

Harnessing Tensor Structures -- Multi-Mode Reservoir Computing and Its Application in Massive MIMO

Zhou Zhou, Lingjia Liu, Jiarui Xu

In this paper, we introduce a new neural network (NN) structure, multi-mode reservoir computing (Multi-Mode RC). It inherits the dynamic mechanism of RC and processes the forward p…