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Related papers: Importance-Aware Semantic Communication in MIMO-OF…

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This paper presents a novel framework for importance-aware adaptive data transmission, designed specifically for real-time computer vision (CV) applications where task-specific fidelity is critical. An importance-weighted mean square error…

Signal Processing · Electrical Eng. & Systems 2025-03-03 Chunmei Xu , Yi Ma , Rahim Tafazolli

Semantic Communication (SemCom) has emerged as a promising paradigm for 6G networks, aiming to extract and transmit task-relevant information rather than minimizing bit errors. However, applying SemCom to realistic downlink Multi-User…

Machine Learning · Computer Science 2026-02-17 Chongyang Li , Tianqian Zhang , Shouyin Liu

In the realm of semantic communication, the significance of encoded features can vary, while wireless channels are known to exhibit fluctuations across multiple subchannels in different domains. Consequently, critical features may traverse…

Signal Processing · Electrical Eng. & Systems 2024-01-29 Kequan Zhou , Guangyi Zhang , Yunlong Cai , Qiyu Hu , Guanding Yu , A. Lee Swindlehurst

Semantic communication aims to transmit information most relevant to a task rather than raw data, offering significant gains in communication efficiency for applications such as telepresence, augmented reality, and remote sensing. Recent…

Machine Learning · Computer Science 2025-12-18 Matin Mortaheb , Erciyes Karakaya , Sennur Ulukus

With the ever-increasing user density and quality of service (QoS) demand,5G networks with limited spectrum resources are facing massive access challenges. To address these challenges, in this paper, we propose a novel discrete semantic…

Signal Processing · Electrical Eng. & Systems 2024-07-12 Shuai Ma , Chuanhui Zhang , Bin Shen , Youlong Wu , Hang Li , Shiyin Li , Guangming Shi , Naofal Al-Dhahir

Semantic communications are expected to become the core new paradigms of the sixth generation (6G) wireless networks. Most existing works implicitly utilize channel information for codecs training, which leads to poor communications when…

Information Theory · Computer Science 2023-12-07 Lan Lin , Wenjun Xu , Fengyu Wang , Yimeng Zhang , Wei Zhang , Ping Zhang

In this work, we expand the cooperative multi-task semantic communication framework (CMT-SemCom) introduced in [1], which divides the semantic encoder on the transmitter side into a common unit (CU) and multiple specific units (SUs), to a…

Signal Processing · Electrical Eng. & Systems 2026-01-27 Ahmad Halimi Razlighi , Carsten Bockelmann , Armin Dekorsy

Cooperative perception, which has a broader perception field than single-vehicle perception, has played an increasingly important role in autonomous driving to conduct 3D object detection. Through vehicle-to-vehicle (V2V) communication…

Information Theory · Computer Science 2023-11-14 Yucheng Sheng , Hao Ye , Le Liang , Shi Jin , Geoffrey Ye Li

This paper explores the concept of information importance in multi-modal task-oriented semantic communication systems, emphasizing the need for high accuracy and efficiency to fulfill task-specific objectives. At the transmitter, generative…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Yi Ma , Chunmei Xu , Zhenyu Liu , Siqi Zhang , Rahim Tafazolli

Large Vision-Language Models (VLMs) have achieved remarkable success in multi-modal reasoning, but their inference time efficiency remains a significant challenge due to the memory overhead during decoding, especially when the query and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Fatih Ilhan , Gaowen Liu , Ramana Rao Kompella , Selim Furkan Tekin , Tiansheng Huang , Zachary Yahn , Yichang Xu , Ling Liu

The growing demand for efficient semantic communication systems capable of managing diverse tasks and adapting to fluctuating channel conditions has driven the development of robust, resource-efficient frameworks. This article introduces a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Xiang Chen , Shuying Gan , Chenyuan Feng , Xijun Wang , Tony Q. S. Quek

While semantic communications have shown the potential in the case of single-modal single-users, its applications to the multi-user scenario remain limited. In this paper, we investigate deep learning (DL) based multi-user semantic…

Signal Processing · Electrical Eng. & Systems 2021-12-21 Huiqiang Xie , Zhijin Qin , Xiaoming Tao , Khaled B. Letaief

This paper proposes a MIMO-OFDM-based context video semantic transmission framework, namely M-CVST, for robust video communication over multi-path multiple-input multiple-output (MIMO) channels. It introduces a context-subcarrier…

Multimedia · Computer Science 2026-05-05 Bingyan Xie , Cong Zhou , Yuxuan Shi , Biqian Feng , Yongpeng Wu , Wenjun Zhang

Following the major successes of self-attention and Transformers for image analysis, we investigate the use of such attention mechanisms in the context of Image Quality Assessment (IQA) and propose a novel full-reference IQA method, Vision…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Andrei Chubarau , James Clark

Task-oriented semantic communication has emerged as a fundamental approach for enhancing performance in various communication scenarios. While recent advances in Generative Artificial Intelligence (GenAI), such as Large Language Models…

Artificial Intelligence · Computer Science 2025-05-06 Baoxia Du , Hongyang Du , Dusit Niyato , Ruidong Li

Non-orthogonal multiple access (NOMA) is capable of serving different numbers of users in the same time-frequency resource element, and this feature can be leveraged to carry additional information. In the orthogonal frequency division…

Information Theory · Computer Science 2022-10-25 Ziyi Xie , Wenqiang Yi , Xuanli Wu , Yuanwei Liu , Arumugam Nallanathan

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

A non-orthogonal multiple access (NOMA)-aided joint communication, sensing, and multi-tier computing (JCSMC) framework is proposed. In this framework, a multi-functional base station (BS) carries out target sensing, while providing edge…

Information Theory · Computer Science 2022-12-29 Zhaolin Wang , Xidong Mu , Yuanwei Liu , Xiaodong Xu , Ping Zhang

Multi-input multi-output orthogonal frequency division multiplexing (MIMO OFDM) is a key technology for mobile communication systems. However, due to the issue of high peak-to-average power ratio (PAPR), the OFDM symbols may suffer from…

Signal Processing · Electrical Eng. & Systems 2021-06-01 Liangyuan Xu , Feifei Gao , Wei Zhang , Shaodan Ma

Efficient signal detectors are rather important yet challenging to achieve satisfactory performance for large-scale communication systems. This paper considers a non-orthogonal sparse code multiple access (SCMA) configuration for…

Signal Processing · Electrical Eng. & Systems 2023-03-16 Yao Ge , Lei Liu , Shunqi Huang , David González G. , Yong Liang Guan , Zhi Ding