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Semantic communication enhances transmission efficiency by conveying semantic information rather than raw input symbol sequences. Task-oriented semantic communication is a variant that tries to retains only task-specific information, thus…

密码学与安全 · 计算机科学 2025-10-06 Xuesong Wang , Mo Li , Xingyan Shi , Zhaoqian Liu , Shenghao Yang

This paper investigates an information-theoretic model of secure semantic-aware communication. For this purpose, we consider the lossy joint source-channel coding (JSCC) of a memoryless semantic source transmitted over a memoryless wiretap…

信息论 · 计算机科学 2026-05-26 Denis Kozlov , Mahtab Mirmohseni , Rahim Tafazolli

This work considers the problem of integrated sensing and communications (ISAC) with a massive number of unsourced and uncoordinated users. In the proposed model, known as the unsourced ISAC system (UNISAC), all active communication and…

信息论 · 计算机科学 2026-04-21 Mohammad Javad Ahmadi , Rafael F. Schaefer , H. Vincent Poor

This paper proposes a secure integrated sensing and communications (ISAC) framework for multi-user systems with multiple communication users (CUs) and adversarial targets, where the design problem is formulated to maximize secrecy rate…

Semantic communication, when examined through the lens of joint source-channel coding (JSCC), maps source messages directly into channel input symbols, where the measure of success is defined by end-to-end distortion rather than traditional…

信息论 · 计算机科学 2024-07-09 Tze-Yang Tung , Homa Esfahanizadeh , Jinfeng Du , Harish Viswanathan

Semantic communications has received growing interest since it can remarkably reduce the amount of data to be transmitted without missing critical information. Most existing works explore the semantic encoding and transmission for text and…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Danlan Huang , Feifei Gao , Xiaoming Tao , Qiyuan Du , Jianhua Lu

Semantic communication (SC) goes beyond technical communication in which a given sequence of bits or symbols, often referred to as information, is be transmitted reliably over a noisy channel, regardless of its meaning. In SC, conveying the…

信息论 · 计算机科学 2022-09-02 Jinho Choi , Jihong Park

At the confluence of 6G, deep learning (DL), and natural language processing (NLP), DL-enabled text semantic communication (SemCom) has emerged as a 6G enabler since it minimizes bandwidth consumption, transmission delay, and power usage.…

信号处理 · 电气工程与系统科学 2024-08-27 Tilahun M. Getu , Georges Kaddoum , Mehdi Bennis

The Integrated Sensing and Communications (ISAC) paradigm is anticipated to be a cornerstone of the upcoming 6G networks. In order to optimize the use of wireless resources, 6G ISAC systems need to harness the communication data payload…

A point-to-point integrated sensing and communication (ISAC) system is considered where a transmitter conveys a message to a receiver over a discrete memoryless channel (DMC) and simultaneously estimates the state of the channel through the…

信息论 · 计算机科学 2025-01-14 Homa Nikbakht , Michèle Wigger , Shlomo Shamai , H. Vincent Poor

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…

信号处理 · 电气工程与系统科学 2023-03-23 Huiqiang Xie , Zhijin Qin , Geoffrey Ye Li

In this paper, we study a secure integrated sensing and communication (ISAC) system employing a full-duplex base station with sensing capabilities against a mobile proactive adversarial target$\unicode{x2014}$a malicious unmanned aerial…

信息论 · 计算机科学 2025-09-23 Milad Tatar Mamaghani , Xiangyun Zhou , Nan Yang , A. Lee Swindlehurst

Joint source-channel coding (JSCC) is an effective approach for semantic communication. However, current JSCC methods are difficult to integrate with existing communication network architectures, where application and network providers are…

信息论 · 计算机科学 2025-07-18 Wenzheng Kong , Wenyi Zhang

Recently, learning-based semantic communication (SemCom) has emerged as a promising approach in the upcoming 6G network and researchers have made remarkable efforts in this field. However, existing works have yet to fully explore the…

信号处理 · 电气工程与系统科学 2024-04-01 Shunpu Tang , Qianqian Yang , Deniz Gündüz , Zhaoyang Zhang

Integrated sensing and communication (ISAC) is a cornerstone technology for 6G networks, offering unified support for high-rate communication and high-accuracy sensing. While existing literature extensively covers link-level designs, the…

信息论 · 计算机科学 2026-01-16 Edward Andrews , Lawrence Ong , Duy T. Ngo , Yao Liu , Min Li

In this paper, the problem of semantic-based efficient image transmission is studied over the Internet of Vehicles (IoV). In the considered model, a vehicle shares massive amount of visual data perceived by its visual sensors to assist…

网络与互联网体系结构 · 计算机科学 2022-10-12 Qiang Pan , Haonan Tong , Jie Lv , Tao Luo , Zhilong Zhang , Changchuan Yin , Jianfeng Li

Recent advancements in generative artificial intelligence have introduced groundbreaking approaches to innovating next-generation semantic communication, which prioritizes conveying the meaning of a message rather than merely transmitting…

人工智能 · 计算机科学 2025-05-19 Achintha Wijesinghe , Weiwei Wang , Suchinthaka Wanninayaka , Songyang Zhang , Zhi Ding

Integrated sensing and communication (ISAC) is a promising paradigm to provide both sensing and communication (S&C) services in vehicular networks. However, the power of echo signals reflected from vehicles may be too weak to be used for…

信息论 · 计算机科学 2023-05-23 Kaitao Meng , Qingqing Wu , Wen Chen , Enrico Paolini , Elisabetta Matricardi

The recent development of integrated sensing and communications (ISAC) technology offers new opportunities to meet high-throughput and low-latency communication as well as high-resolution localization requirements in vehicular networks.…

信息论 · 计算机科学 2023-08-15 Kaitao Meng , Qingqing Wu , Wen Chen , Deshi Li

Handling implicit language is essential for natural language processing systems to achieve precise text understanding and facilitate natural interactions with users. Despite its importance, the absence of a metric for accurately measuring…

计算与语言 · 计算机科学 2025-02-25 Yuxin Wang , Xiaomeng Zhu , Weimin Lyu , Saeed Hassanpour , Soroush Vosoughi