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This paper presents an online method for joint channel estimation and decoding in massive MIMO-OFDM systems using complex-valued neural networks (CVNNs). The study evaluates the performance of various CVNNs, such as the complex-valued…

Remote sensing semantic segmentation requires models that can jointly capture fine spatial details and high-level semantic context across complex scenes. While classical encoder-decoder architectures such as U-Net remain strong baselines,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Md Aminur Hossain , Ayush V. Patel , Siddhant Gole , Sanjay K. Singh , Biplab Banerjee

Deep learning based semantic communication (DeepSC) system has emerged as a promising paradigm for efficient wireless transmission. However, existing image DeepSC methods, frequently encounter challenges in balancing rate-distortion…

Image and Video Processing · Electrical Eng. & Systems 2025-12-08 Yinhuan Huang , Zhijin Qin

Semantic communications are expected to accomplish various semantic tasks with relatively less spectrum resource by exploiting the semantic feature of source data. To simultaneously serve both the data transmission and semantic tasks, joint…

Information Theory · Computer Science 2023-08-15 Jianhao Huang , Dongxu Li , Chuan Huang , Xiaoqi Qin , Wei Zhang

Deep joint source-channel coding (DeepJSCC) has emerged as a powerful paradigm for end-to-end semantic communications, jointly learning to compress and protect task-relevant features over noisy channels. However, existing DeepJSCC schemes…

Hybrid beamforming (HBF) is a key enabler for wideband terahertz (THz) massive multiple-input multiple-output (mMIMO) communications systems. A core challenge with designing HBF systems stems from the fact their application often involves a…

Information Theory · Computer Science 2023-02-24 Nhan Thanh Nguyen , Mengyuan Ma , Nir Shlezinger , Yonina C. Eldar , A. L. Swindlehurst , Markku Juntti

Semantic communication (SemCom) is emerging as a key technology for future sixth-generation (6G) systems. Unlike traditional bit-level communication (BitCom), SemCom directly optimizes performance at the semantic level, leading to superior…

Information Theory · Computer Science 2025-07-22 Maojun Zhang , Guangxu Zhu , Richeng Jin , Xiaoming Chen , Qingjiang Shi , Caijun Zhong , Kaibin Huang

Recent developments in Deep learning based Joint Source-Channel Coding (DeepJSCC) have demonstrated impressive capabilities within wireless semantic communications system. However, existing DeepJSCC methodologies exhibit limited…

Image and Video Processing · Electrical Eng. & Systems 2024-11-18 Liang Zhang , Danlan Huang , Xinyi Zhou , Feng Ding , Sheng Wu , Zhiqing Wei

Traditional single-modality sensing faces limitations in accuracy and capability, and its decoupled implementation with communication systems increases latency in bandwidth-constrained environments. Additionally, single-task-oriented…

Machine Learning · Computer Science 2025-03-13 Yubo Peng , Luping Xiang , Kun Yang , Feibo Jiang , Kezhi Wang , Dapeng Oliver Wu

Empowered by deep learning, semantic communication marks a paradigm shift from transmitting raw data to conveying task-relevant meaning, enabling more efficient and intelligent wireless systems. In this study, we explore a deep…

Information Theory · Computer Science 2026-01-28 Chenyang Wang , Roger Olsson , Stefan Forsström , Qing He

In multiuser communication systems, user scheduling and beamforming (US-BF) design are two fundamental problems that are usually studied separately in the existing literature. In this work, we focus on the joint US-BF design with the goal…

Information Theory · Computer Science 2022-07-05 S. He , J. Yuan , Z. An , W. Huang , Y. Huang , Y. Zhang

Deep learning based joint source-channel coding (JSCC) has demonstrated significant advancements in data reconstruction compared to separate source-channel coding (SSCC). This superiority arises from the suboptimality of SSCC when dealing…

Machine Learning · Computer Science 2023-08-23 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

Multimodal semantic communication has great potential to enhance downstream task performance by integrating complementary information across modalities. This paper introduces ProMSC-MIS, a novel Prompt-based Multimodal Semantic…

Multimedia · Computer Science 2025-08-28 Haoshuo Zhang , Yufei Bo , Meixia Tao

Massive multiple-input multiple-output (MIMO) technology is a key enabler of modern wireless communication systems, which demand accurate downlink channel state information (CSI) for optimal performance. Although deep learning (DL) has…

Signal Processing · Electrical Eng. & Systems 2025-05-14 Ruonan Ren , Jianhua Mo , Meixia Tao

To support cooperative perception (CP) of networked mobile agents in dynamic scenarios, the efficient and robust transmission of sensory data is a critical challenge. Deep learning-based joint source-channel coding (JSCC) has demonstrated…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Sijiang Li , Rongqing Zhang , Xiang Cheng , Jian Tang

Large-scale multiple-input multiple-output (MIMO) holds great promise for the fifth-generation (5G) and future communication systems. In near-field scenarios, the spherical wavefront model is commonly utilized to accurately depict the…

Signal Processing · Electrical Eng. & Systems 2024-10-14 Hao Jiang , Wangqi Shi , Xiao Chen , Qiuming Zhu , Zhen Chen

Though achieving marvelous progress in various scenarios, existing semantic communication frameworks mainly consider single-input single-output Gaussian channels or Rayleigh fading channels, neglecting the widely-used multiple-input…

Information Theory · Computer Science 2024-06-12 Bingyan Xie , Yongpeng Wu , Yuxuan Shi , Wenjun Zhang , Shuguang Cui , Merouane Debbah

The future of vehicular communication networks relies on mmWave massive multi-input-multi-output antenna arrays for intensive data transfer and massive vehicle access. However, reliable vehicle-to-infrastructure links require exact…

Signal Processing · Electrical Eng. & Systems 2024-03-27 Haotian Zhang , Shijian Gao , Xiang Cheng , Liuqing Yang

This paper investigates robust semantic communications over multiple-input multiple-output (MIMO) fading channels. Current semantic communications over MIMO channels mainly focus on channel adaptive encoding and decoding, which lacks…

Information Theory · Computer Science 2024-07-09 Yiheng Duan , Tong Wu , Zhiyong Chen , Meixia Tao

Nowadays, the demand for image transmission over wireless networks has surged significantly. To meet the need for swift delivery of high-quality images through time-varying channels with limited bandwidth, the development of efficient…

Computational Engineering, Finance, and Science · Computer Science 2024-02-13 Mohammad Amin Jarrahi , Eirina Bourtsoulatze , Vahid Abolghasemi