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Self-supervised sentence representation learning is the task of constructing an embedding space for sentences without relying on human annotation efforts. One straightforward approach is to finetune a pretrained language model (PLM) with a…

Deep Joint Source-Channel Coding (Deep-JSCC) has emerged as a promising semantic communication approach for wireless image transmission by jointly optimizing source and channel coding using deep learning techniques. However, traditional…

网络与互联网体系结构 · 计算机科学 2025-07-29 Avi Deb Raha , Apurba Adhikary , Mrityunjoy Gain , Yumin Park , Walid Saad , Choong Seon Hong

With the emergence of diverse and massive data in the upcoming sixth-generation (6G) networks, the task-agnostic semantic communication system is regarded to provide robust intelligent services. In this paper, we propose a task-agnostic…

信息论 · 计算机科学 2025-09-16 Shiyao Jiang , Jian Jiao , Xingjian Zhang , Ye Wang , Dusit Niyato , Qinyu Zhang

Communication can improve coordination in partially observed multi-agent reinforcement learning (MARL), but learning \emph{when} and \emph{who} to communicate with requires choosing among many possible sender-recipient pairs, and the effect…

多智能体系统 · 计算机科学 2026-03-06 Manav Vora , Gokul Puthumanaillam , Hiroyasu Tsukamoto , Melkior Ornik

Large language models (LLMs) have recently demonstrated state-of-the-art performance across various natural language processing (NLP) tasks, achieving near-human levels in multiple language understanding challenges and aligning closely with…

信号处理 · 电气工程与系统科学 2025-07-08 Zhenyi Wang , Li Zou , Shengyun Wei , Kai Li , Feifan Liao , Haibo Mi , Rongxuan Lai

Generative foundation models can revolutionize the design of semantic communication (SemCom) systems allowing high fidelity exchange of semantic information at ultra low rates. In this work, a generative SemCom framework with pretrained…

信号处理 · 电气工程与系统科学 2025-01-15 Chunmei Xu , Mahdi Boloursaz Mashhadi , Yi Ma , Rahim Tafazolli , Jiangzhou Wang

Semantic communication (SemCom), as an emerging paradigm focusing on meaning delivery, has recently been considered a promising solution for the inevitable crisis of scarce communication resources. This trend stimulates us to explore the…

系统与控制 · 电气工程与系统科学 2024-10-28 Le Xia , Yao Sun , Dusit Niyato , Daquan Feng , Lei Feng , Muhammad Ali Imran

This paper investigates semantic communications (SemComs) for multi-satellite cooperative massive multiple-input multiple-output (MIMO) transmission, where multiple massive-MIMO satellites jointly serve a common set of multi-antenna user…

信号处理 · 电气工程与系统科学 2026-05-12 Yafei Wang , Yuchen Zhang , Yiming Zhu , Vu Nguyen Ha , Rui Ding , Wenjin Wang , Symeon Chatzinotas , Björn Ottersten

This paper proposes and evaluates a new performance estimation method that leverages continual learning (CL) algorithms to carry out sequential simulation experiments for a feedback-based molecular communication protocol. As the protocol is…

机器学习 · 计算机科学 2026-05-05 Siddhant Setia , Junichi Suzuki , Tadashi Nakano

In task-oriented semantic communications, the transmitters are designed to deliver task-related semantic information rather than every signal bit to receivers, which alleviates the spectrum pressure by reducing network traffic loads.…

信号处理 · 电气工程与系统科学 2025-01-06 Hong Chen , Fang Fang , Xianbin Wang

Deep learning-based semantic communication (SemCom) has emerged as a promising paradigm for next-generation wireless networks, offering superior transmission efficiency by extracting and conveying task-relevant semantic latent…

密码学与安全 · 计算机科学 2025-12-04 Zhiyuan Xi , Kun Zhu

Semantic communication (SemCom) has emerged as a promising paradigm for next-generation networks. However, its typical end-to-end joint source--channel coding (JSCC) architecture also raises serious privacy concerns. To guide future secure…

信号处理 · 电气工程与系统科学 2026-05-11 Shunpu Tang , Qianqian Yang , Zhiguo Shi , Jiming Chen , Xuemin Shen

Self-supervised learning approach like contrastive learning is attached great attention in natural language processing. It uses pairs of training data augmentations to build a classification task for an encoder with well representation…

计算与语言 · 计算机科学 2021-12-03 Deshui Miao , Jiaqi Zhang , Wenbo Xie , Jian Song , Xin Li , Lijuan Jia , Ning Guo

Multimodal reasoning in vision-language models (VLMs) typically relies on a two-stage process: supervised fine-tuning (SFT) and reinforcement learning (RL). In standard SFT, all tokens contribute equally to the loss, even though reasoning…

人工智能 · 计算机科学 2026-03-20 Shaked Perek , Ben Wiesel , Avihu Dekel , Nimrod Shabtay , Eli Schwartz

The growing integration of distributed integrated sensing and communication (ISAC) with closed-loop control in intelligent networks demands efficient information transmission under stringent bandwidth constraints. To address this challenge,…

系统与控制 · 电气工程与系统科学 2025-12-26 Guangjin Pan , Ayça Özçelikkale , Christian Häger , Musa Furkan Keskin , Henk Wymeersch

This paper considers a spectrum sharing based cognitive radio (CR) communication system, which consists of a secondary user (SU) having multiple transmit antennas and a single receive antenna and a primary user (PU) having a single receive…

信息论 · 计算机科学 2009-01-04 Lan Zhang , Ying-Chang Liang , Yan Xin , H. Vincent Poor

Single-user semantic communications have attracted extensive research recently, but multi-user semantic broadcast communication (BC) is still in its infancy. In this paper, we propose a practical robust features-disentangled multi-user…

信号处理 · 电气工程与系统科学 2023-03-06 Shuai Ma , Weining Qiao , Youlong Wu , Hang Li , Guangming Shi , Dahua Gao , Yuanming Shi , Shiyin Li , Naofal Al-Dhahir

Semantic communication has emerged as a promising technology to break the Shannon limit by extracting the meaning of source data and sending relevant semantic information only. However, some mobile devices may have limited computation and…

信息论 · 计算机科学 2023-11-17 Tianyu Liu , Changsheng You , Zeyang Hu , Chenyu Wu , Yi Gong , Kaibin Huang

The emergence of the semantic-aware paradigm presents opportunities for innovative services, especially in the context of 6G-based applications. Although significant progress has been made in semantic extraction techniques, the…

网络与互联网体系结构 · 计算机科学 2024-07-08 Hamidreza Mazandarani , Masoud Shokrnezhad , Tarik Taleb

Emergency Wireless Communication (EWC) networks adopt the User Datagram Protocol (UDP) to transmit scene images in real time for quickly assessing the extent of the damage. However, existing UDP-based EWC exhibits suboptimal performance…

信号处理 · 电气工程与系统科学 2025-01-06 Yuzhou Fu , Wenchi Cheng , Jingqing Wang , Liuguo Yin , Wei Zhang