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Traditional communication systems focus on the transmission process, and the context-dependent meaning has been ignored. The fact that 5G system has approached Shannon limit and the increasing amount of data will cause communication…

Signal Processing · Electrical Eng. & Systems 2022-02-22 Chen Dong , Haotai Liang , Xiaodong Xu , Shujun Han , Bizhu Wang , Ping Zhang

Semantic communication has emerged as a promising technology for enhancing communication efficiency. However, most existing research emphasizes single-task reconstruction, neglecting model adaptability and generalization across multi-task…

Information Theory · Computer Science 2025-04-01 Weiwen Yuan , Jinke Ren , Chongjie Wang , Ruichen Zhang , Jun Wei , Dong In Kim , Shuguang Cui

Deep Learning models encode rich semantic information in their hidden representations. However, it remains challenging to understand which parts of this information models actually rely on when making predictions. A promising line of…

Machine Learning · Computer Science 2026-02-04 Xuemin Yu , Ankur Garg , Samira Ebrahimi Kahou , Hassan Sajjad

Vector quantization (VQ) based ANN indexes, such as Inverted File System (IVF) and Product Quantization (PQ), have been widely applied to embedding based document retrieval thanks to the competitive time and memory efficiency. Originally,…

Information Retrieval · Computer Science 2022-04-29 Shitao Xiao , Zheng Liu , Weihao Han , Jianjin Zhang , Defu Lian , Yeyun Gong , Qi Chen , Fan Yang , Hao Sun , Yingxia Shao , Denvy Deng , Qi Zhang , Xing Xie

Task-Oriented Semantic Communication (TOSC) has been considered as a new communication paradigm to serve various samrt devices that depend on Artificial Intelligence (AI) tasks in future wireless networks. The existing TOSC frameworks rely…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Yuzhou Fu , Wenchi Cheng , Wei Zhang , Wei Zhang

Multi-agent Large Language Model (LLM) systems face a critical bottleneck: redundant transmission of contextual information between agents consumes excessive bandwidth and computational resources. Traditional approaches discard internal…

Computation and Language · Computer Science 2025-12-23 Boris Kriuk , Logic Ng

Diffusion models have been extensively utilized in AI-generated content (AIGC) in recent years, thanks to the superior generation capabilities. Combining with semantic communications, diffusion models are used for tasks such as denoising,…

Machine Learning · Computer Science 2025-07-10 Lei Guo , Wei Chen , Yuxuan Sun , Bo Ai , Nikolaos Pappas , Tony Q. S. Quek

While semantic communication succeeds in efficiently transmitting due to the strong capability to extract the essential semantic information, it is still far from the intelligent or human-like communications. In this paper, we introduce an…

Signal Processing · Electrical Eng. & Systems 2023-03-23 Huiqiang Xie , Zhijin Qin , Geoffrey Ye Li

Vector Quantization (VQ) has become the cornerstone of tokenization for many multimodal Large Language Models and diffusion synthesis. However, existing VQ paradigms suffer from a fundamental conflict: they enforce discretization before the…

Machine Learning · Computer Science 2026-03-25 Wenhao Zhao , Qiran Zou , Zhouhan Lin , Dianbo Liu

Uncovering emergent concepts across transformer layers remains a significant challenge because the residual stream linearly mixes and duplicates information, obscuring how features evolve within large language models. Current research…

Machine Learning · Computer Science 2025-07-18 Ankur Garg , Xuemin Yu , Hassan Sajjad , Samira Ebrahimi Kahou

Semantic communication (SemComm) has emerged as a new communication paradigm. To enhance efficiency, multiple-input-multiple-output (MIMO) technology has been further integrated into SemComm systems. However, existing MIMO SemComm systems…

Signal Processing · Electrical Eng. & Systems 2025-09-05 Mingze Gong , Shuoyao Wang , Shijian Gao , Jia Yan , Suzhi Bi

Video conferencing has become a popular mode of meeting even if it consumes considerable communication resources. Conventional video compression causes resolution reduction under limited bandwidth. Semantic video conferencing maintains high…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Peiwen Jiang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

The transformer structure employed in large language models (LLMs), as a specialized category of deep neural networks (DNNs) featuring attention mechanisms, stands out for their ability to identify and highlight the most relevant aspects of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Matin Mortaheb , Erciyes Karakaya , Mohammad A. Amir Khojastepour , Sennur Ulukus

The traditional communications transmit all the source data represented by bits, regardless of the content of source and the semantic information required by the receiver. However, in some applications, the receiver only needs part of the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-30 Zhenzi Weng , Zhijin Qin , Geoffrey Ye Li

Semantic communication marks a new paradigm shift from bit-wise data transmission to semantic information delivery for the purpose of bandwidth reduction. To more effectively carry out specialized downstream tasks at the receiver end, it is…

Machine Learning · Computer Science 2025-03-03 Yu-Chieh Chao , Yubei Chen , Weiwei Wang , Achintha Wijesinghe , Suchinthaka Wanninayaka , Songyang Zhang , Zhi Ding

Semantic communications are expected to improve the transmission efficiency in Internet of Things (IoT) networks. However, the distributed nature of networks and heterogeneity of devices challenge the secure utilization of semantic…

Signal Processing · Electrical Eng. & Systems 2024-12-12 Weihao Zeng , Xinyu Xu , Qianyun Zhang , Jiting Shi , Zhenyu Guan , Shufeng Li , Zhijin Qin

Quantum sensing exploits non-classical effects to overcome limitations of classical sensors, with applications ranging from gravitational-wave detection to nanoscale imaging. However, practical quantum sensors built on noisy…

Quantum Physics · Physics 2025-05-30 Ivana Nikoloska , Hamdi Joudeh , Ruud van Sloun , Osvaldo Simeone

Deep learning has advanced from fully connected architectures to structured models organized into components, e.g., the transformer composed of positional elements, modular architectures divided into slots, and graph neural nets made up of…

Machine Learning · Computer Science 2021-07-13 Dianbo Liu , Alex Lamb , Kenji Kawaguchi , Anirudh Goyal , Chen Sun , Michael Curtis Mozer , Yoshua Bengio

Visual data compression is shifting from human-centered reconstruction to machine-oriented representation coding. In this setting, an image is often mapped to a compact semantic embedding, which is then compressed and transmitted for…

Image and Video Processing · Electrical Eng. & Systems 2026-04-30 Andriy Enttsel , Vincent Corlay

Recent deep learning methods have led to increased interest in solving high-efficiency end-to-end transmission problems. These methods, we call nonlinear transform source-channel coding (NTSCC), extract the semantic latent features of…

Signal Processing · Electrical Eng. & Systems 2023-08-21 Sixian Wang , Jincheng Dai , Xiaoqi Qin , Zhongwei Si , Kai Niu , Ping Zhang