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In wireless networks, frequent reference signal transmission for accurate channel reconstruction may reduce spectral efficiency. To address this issue, we consider to use a data-carrying reference signal (DC-RS) that can simultaneously…

信号处理 · 电气工程与系统科学 2024-03-05 Naoki Endo , Hiroki Iimori , Chandan Pradhan , Szabolcs Malomsoky , Naoki Ishikawa

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…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Peiwen Jiang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Efficient Reduce and AllReduce communication collectives are a critical cornerstone of high-performance computing (HPC) applications. We present the first systematic investigation of Reduce and AllReduce on the Cerebras Wafer-Scale Engine…

分布式、并行与集群计算 · 计算机科学 2024-09-04 Piotr Luczynski , Lukas Gianinazzi , Patrick Iff , Leighton Wilson , Daniele De Sensi , Torsten Hoefler

Different from data-oriented communication systems that primarily focus on how to accurately transmit every bit of data, task-oriented semantic communication systems only transmit the specific semantic information required by downstream…

信息论 · 计算机科学 2024-10-10 Wenbo Yu , Bin Chen , Qinshan Zhang , Shu-Tao Xia

Prediction has recently been considered as a promising approach to meet low-latency and high-reliability requirements in long-distance haptic communications. However, most of the existing methods did not take features of tasks and the…

机器人学 · 计算机科学 2023-02-23 Burak Kizilkaya , Changyang She , Guodong Zhao , Muhammad Ali Imran

In this paper, we investigate the energy efficiency of conventional collaborative compressive sensing (CCCS) scheme, focusing on balancing the tradeoff between energy efficiency and detection accuracy in cognitive radio environment. In…

Task-oriented integrated sensing, communication, and computation (ISCC) is a key technology for achieving low-latency edge inference and enabling efficient implementation of artificial intelligence (AI) in industrial cyber-physical systems…

信息论 · 计算机科学 2025-03-04 Jiacheng Yao , Wei Xu , Guangxu Zhu , Kaibin Huang , Shuguang Cui

Driven by the vision of "intelligent connection of everything" toward 6G, the collective intelligence of networked machines can be fully exploited to improve system efficiency by shifting the paradigm of wireless communication design from…

信号处理 · 电气工程与系统科学 2023-07-03 Ping Zhang , Heng Yang , Zhiyong Feng , Yanpeng Cui , Jincheng Dai , Xiaoqi Qin , Jinglin Li , Qixun Zhang

This paper proposes an oblivious watermarking algorithm with blind detection approach for high volume data hiding in image signals. We present a detection reliable signal adaptive embedding scheme for multiple messages in selective…

密码学与安全 · 计算机科学 2012-07-12 T. S. Das , V. H. Mankar , S. K. Sarkar

Data efficiency, despite being an attractive characteristic, is often challenging to measure and optimize for in task-oriented semantic parsing; unlike exact match, it can require both model- and domain-specific setups, which have,…

计算与语言 · 计算机科学 2021-07-13 Shrey Desai , Akshat Shrivastava , Justin Rill , Brian Moran , Safiyyah Saleem , Alexander Zotov , Ahmed Aly

Semantic communication is designed to tackle issues like bandwidth constraints and high latency in communication systems. However, in complex network topologies with multiple users, the enormous combinations of client data and channel state…

图像与视频处理 · 电气工程与系统科学 2025-03-19 Xingrun Yan , Shiyuan Zuo , Yifeng Lyu , Rongfei Fan , Han Hu

Although semantic communication (SC) has shown its potential in efficiently transmitting multimodal data such as texts, speeches and images, SC for videos has focused primarily on pixel-level reconstruction. However, these SC systems may be…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Jiangyuan Guo , Wei Chen , Yuxuan Sun , Jialong Xu , Bo Ai

Wireless goal-oriented semantic communication (GSC) has emerged as a promising paradigm by directly optimizing task performance. However, existing GSC frameworks typically operate on entire images and rely on labeled data for classification…

图像与视频处理 · 电气工程与系统科学 2026-04-14 Zhitong Ni , Yansha Deng , Jinhong Yuan

Reliable detection of surrounding objects is critical for the safe operation of connected automated vehicles (CAVs). However, inherent limitations such as the restricted perception range and occlusion effects compromise the reliability of…

信号处理 · 电气工程与系统科学 2025-07-02 Jipeng Gan , Yucheng Sheng , Hua Zhang , Le Liang , Hao Ye , Chongtao Guo , Shi Jin

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

Neural network architectures in natural language processing often use attention mechanisms to produce probability distributions over input token representations. Attention has empirically been demonstrated to improve performance in various…

计算与语言 · 计算机科学 2021-05-10 George Chrysostomou , Nikolaos Aletras

Semantic communication has gained attention as a key enabler for intelligent and context-aware communication. However, one of the key challenges of semantic communications is the need to tailor the resource allocation to meet the specific…

信息论 · 计算机科学 2024-01-22 Ouiame Marnissi , Hajar EL Hammouti , El Houcine Bergou

The goal of semantic communication is to surpass optimal Shannon's criterion regarding a notable problem for future communication which lies in the integration of collaborative efforts between the intelligence of the transmission source and…

信息论 · 计算机科学 2023-10-03 Xinchao Zhong , Sean Longyu Ma , Hong-fu Chou , Arsham Mostaani , Thang X. Vu , Symeon Chatzinotas

Distributionally robust control (DRC) aims to effectively manage distributional ambiguity in stochastic systems. While most existing works address inaccurate distributional information in fully observable settings, we consider a partially…

系统与控制 · 电气工程与系统科学 2022-12-23 Astghik Hakobyan , Insoon Yang

We propose a beam codebook design for integrated sensing and communication (ISAC) that reduces self-interference (SI) to alleviate analog distortion. Our optimization framework, which considers either tapered beamforming or phased arrays…

信号处理 · 电气工程与系统科学 2025-11-04 Rodrigo Hernangómez , Jochen Fink , Renato L. G. Cavalcante , Sławomir Stańczak