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Deep joint source-channel coding (JSCC) has emerged as a promising paradigm for semantic communication, delivering significant performance gains over conventional separate coding schemes. However, existing JSCC frameworks remain vulnerable…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Changyuan Zhao , Jiacheng Wang , Ruichen Zhang , Dusit Niyato , Hongyang Du , Zehui Xiong , Dong In Kim , Ping Zhang

Wireless links using massive MIMO transceivers are vital for next generation wireless communications networks networks. Precoding in Massive MIMO transmission requires accurate downlink channel state information (CSI). Many recent works…

Information Theory · Computer Science 2022-01-17 Mason del Rosario , Zhi Ding

In this paper, we present a deep learning (DL) algorithm for channel estimation in communication systems. We consider the time-frequency response of a fast fading communication channel as a two-dimensional image. The aim is to find the…

Information Theory · Computer Science 2019-02-20 Mehran Soltani , Vahid Pourahmadi , Ali Mirzaei , Hamid Sheikhzadeh

Integrated Sensing and Communication (ISAC) has emerged as a key enabler for future wireless systems. The recently developed symbol-level precoding (SLP) technique holds significant potential for ISAC waveform design, as it leverages both…

Signal Processing · Electrical Eng. & Systems 2025-02-21 Peng Jiang , Ming Li , Rang Liu , Wei Wang , Qian Liu

Integrated sensing and communication (ISAC), and intelligent reflecting surface (IRS) are envisioned as revolutionary technologies to enhance spectral and energy efficiencies for next wireless system generations. For the first time, this…

Signal Processing · Electrical Eng. & Systems 2024-04-09 Yu Liu , Ibrahim Al-Nahhal , Octavia A. Dobre , Fanggang Wang

Acquiring downlink channel state information (CSI) at the base station is vital for optimizing performance in massive Multiple input multiple output (MIMO) Frequency-Division Duplexing (FDD) systems. While deep learning architectures have…

Signal Processing · Electrical Eng. & Systems 2024-03-14 Yu-Chien Lin , Yan Xin , Ta-Sung Lee , Charlie , Zhang , Zhi Ding

In low altitude UAV communications, accurate channel estimation remains challenging due to the dynamic nature of air to ground links, exacerbated by high node mobility and the use of large scale antenna arrays, which introduce hybrid near…

Information Theory · Computer Science 2025-10-24 Wenli Yuan , Kan Yu , Xiaowu Liu , Kaixuan Li , Qixun Zhang , Zhiyong Feng

In the rapidly evolving domain of satellite communications, integrating advanced machine learning techniques, particularly split learning, is crucial for enhancing data processing and model training efficiency across satellites, space…

Machine Learning · Computer Science 2024-11-13 Jianfei Sun , Cong Wu , Shahid Mumtaz , Junyi Tao , Mingsheng Cao , Mei Wang , Valerio Frascolla

Hybrid beamforming is a promising technique to reduce the complexity and cost of massive multiple-input multiple-output (MIMO) systems while providing high data rate. However, the hybrid precoder design is a challenging task requiring…

Signal Processing · Electrical Eng. & Systems 2021-05-28 Hamed Hojatian , Jeremy Nadal , Jean-Francois Frigon , Francois Leduc-Primeau

Predicting the future states of surrounding traffic participants and planning a safe, smooth, and socially compliant trajectory accordingly is crucial for autonomous vehicles. There are two major issues with the current autonomous driving…

Robotics · Computer Science 2023-02-21 Zhiyu Huang , Haochen Liu , Jingda Wu , Chen Lv

Reconfigurable intelligent surface (RIS) is envisioned to be an essential component of the paradigm for beyond 5G networks as it can potentially provide similar or higher array gains with much lower hardware cost and energy consumption…

Information Theory · Computer Science 2020-07-09 Hang Liu , Xiaojun Yuan , Ying-Jun Angela Zhang

This paper considers the transceiver design for uplink massive multiple-input multiple-output (MIMO) systems with channel sparsity in the angular domain. Recent progress has shown that sparsity-learning-based blind signal detection is able…

Information Theory · Computer Science 2019-06-05 Wenjing Yan , Xiaojun Yuan

Channel estimation is very challenging when the receiver is equipped with a limited number of radio-frequency (RF) chains in beamspace millimeter-wave (mmWave) massive multiple-input and multiple-output systems. To solve this problem, we…

Information Theory · Computer Science 2019-01-15 Hengtao He , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

The channel estimation problem has been widely discussed in traditional reconfigurable intelligent surface assisted multiple-input multiple-output. However, solutions for channel estimation adapted to beyond diagonal RIS need further study,…

Signal Processing · Electrical Eng. & Systems 2024-12-05 Gilderlan T de Araujo , Andre L. F. de Almeida

Recent advancement in next generation reconfigurable antenna and fluid antenna technology has influenced the wireless system with polarization reconfigurable (PR) channels to attract significant attention for promoting beneficial channel…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Seungcheol Oh , Han Han , Joongheon Kim , Sean Kwon

In Cognitive Radio (CR) ad hoc networks, secondary users (SU) attempt to utilize valuable spectral resources without causing significant interference to licensed primary users (PU). While there is a large body of research on spectrum…

Networking and Internet Architecture · Computer Science 2012-10-31 Yuan Lu , Alexandra Duel-Hallen

Recently, inspired by successful applications in many fields, deep learning (DL) technologies for CSI acquisition have received considerable research interest from both academia and industry. Considering the practical feedback mechanism of…

Signal Processing · Electrical Eng. & Systems 2022-06-16 Xin Wang , Xiaolin Hou , Lan Chen , Yoshihisa Kishiyama , Takahiro Asai

Pervasive localization is essential for continuous tracking applications, yet existing solutions face challenges in balancing power consumption and accuracy. GPS, while precise, is impractical for continuous tracking of micro-assets due to…

Systems and Control · Electrical Eng. & Systems 2025-05-12 Aritrik Ghosh , Nakul Garg , Nirupam Roy

This paper considers a multiple-input-multiple-output (MIMO) system with low-resolution analog-to-digital converters (ADCs). In this system, we propose a novel communication framework that is inspired by supervised learning. The key idea of…

Information Theory · Computer Science 2020-08-07 Yo-Seb Jeon , Song-Nam Hong , Namyoon Lee

To reduce multiuser interference and maximize the spectrum efficiency in orthogonal frequency division duplexing massive multiple-input multiple-output (MIMO) systems, the downlink channel state information (CSI) estimated at the user…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Wei Chen , Weixiao Wan , Shiyue Wang , Peng Sun , Geoffrey Ye Li , Bo Ai