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Semantic communications could improve the transmission efficiency significantly by exploring the semantic information. In this paper, we make an effort to recover the transmitted speech signals in the semantic communication systems, which…

信号处理 · 电气工程与系统科学 2021-09-09 Zhenzi Weng , Zhijin Qin

Semantic communication is considered the future of mobile communication, which aims to transmit data beyond Shannon's theorem of communications by transmitting the semantic meaning of the data rather than the bit-by-bit reconstruction of…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Maheshi Lokumarambage , Vishnu Gowrisetty , Hossein Rezaei , Thushan Sivalingam , Nandana Rajatheva , Anil Fernando

Semantic communications offer promising prospects for enhancing data transmission efficiency. However, existing schemes have predominantly concentrated on point-to-point transmissions. In this paper, we aim to investigate the validity of…

信号处理 · 电气工程与系统科学 2024-06-26 Yanhu Wang , Shuaishuai Guo , Anming Dong , Hui Zhao

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

Debiasing techniques such as SentDebias aim to reduce bias in large language models (LLMs). Previous studies have evaluated their cross-lingual transferability by directly applying these methods to LLM representations, revealing their…

计算与语言 · 计算机科学 2025-08-26 Qiwei Peng , Guimin Hu , Yekun Chai , Anders Søgaard

Multimodal representation learning produces high-dimensional embeddings that align diverse modalities in a shared latent space. While this enables strong generalization, it also introduces scalability challenges, both in terms of storage…

机器学习 · 计算机科学 2025-09-30 Eleonora Grassucci , Giordano Cicchetti , Aurelio Uncini , Danilo Comminiello

Semantic communications is considered as a promising technology to increase the efficiency of next-generation communication systems, particularly targeting human-machine and machine-type communications. In contrast to the source-agnostic…

信息论 · 计算机科学 2023-07-20 Jialong Xu , Tze-Yang Tung , Bo Ai , Wei Chen , Yuxuan Sun , Deniz Gunduz

Mobile devices increasingly require the parallel execution of several computing tasks offloaded at the wireless edge. Existing communication systems only support parallel transmissions at the bit level, which fundamentally limits the number…

分布式、并行与集群计算 · 计算机科学 2025-11-19 Mohammad Abdi , Francesca Meneghello , Francesco Restuccia

Semantic communication aims to convey meaning rather than bit-perfect reproduction, representing a paradigm shift from traditional communication. This paper investigates distribution learning in semantic communication where receivers must…

机器学习 · 计算机科学 2025-08-15 Samer Lahoud , Kinda Khawam

Recent work demonstrated great promise in the idea of orchestrating collaborations between LLMs, human input, and various tools to address the inherent limitations of LLMs. We propose a novel perspective called semantic decoding, which…

计算与语言 · 计算机科学 2025-04-30 Maxime Peyrard , Martin Josifoski , Robert West

Semantic communication (SemCom) is an emerging technology that extracts useful meaning from data and sends only relevant semantic information. Thus, it has the great potential to improve the spectrum efficiency of conventional wireless…

信号处理 · 电气工程与系统科学 2023-11-14 Zeyang Hu , Tianyu Liu , Changsheng You , Zhaohui Yang , Mingzhe Chen

Story visualization aims to generate a sequence of images to narrate each sentence in a multi-sentence story, where the images should be realistic and keep global consistency across dynamic scenes and characters. Current works face the…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Bowen Li , Thomas Lukasiewicz

Semantic communication is emerging as an effective means of facilitating intelligent and context-aware communication for next-generation communication systems. In this paper, we propose a novel metric called Age of Incorrect Semantics…

信息论 · 计算机科学 2025-08-21 Xue Han , Biqian Feng , Yongpeng Wu , Xiang-Gen Xia , Wenjun Zhang , Shengli Sun

The advances in attention-based encoder-decoder (AED) networks have brought great progress to end-to-end (E2E) automatic speech recognition (ASR). One way to further improve the performance of AED-based E2E ASR is to introduce an extra text…

声音 · 计算机科学 2021-10-26 Wei Wang , Shuo Ren , Yao Qian , Shujie Liu , Yu Shi , Yanmin Qian , Michael Zeng

Aligning acoustic and linguistic representations is a central challenge to bridge the pre-trained models in knowledge transfer for automatic speech recognition (ASR). This alignment is inherently structured and asymmetric: while multiple…

计算与语言 · 计算机科学 2026-03-06 Xugang Lu , Peng Shen , Hisashi Kawai

In this paper, we introduce the novel use of linear spatial precoding based on fixed and known parameters of multiple-input multiple-output (MIMO) channels to improve the performance of space-time coded MIMO systems. We derive linear…

信息论 · 计算机科学 2007-07-13 Tharaka A. Lamahewa , Rodney A. Kennedy , Thushara D. Abhayapala , Van K. Nguyen

Semantic communication has become a popular research area due its high spectrum efficiency and error-correction performance. Some studies use deep learning to extract semantic features, which usually form end-to-end semantic communication…

信号处理 · 电气工程与系统科学 2022-10-04 Peiwen Jiang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Modern communications are usually designed to pursue a higher bit-level precision and fewer bits while transmitting a message. This article rethinks these two major features and introduces the concept and advantage of semantics that…

信号处理 · 电气工程与系统科学 2022-06-09 Kun Lu , Qingyang Zhou , Rongpeng Li , Zhifeng Zhao , Xianfu Chen , Jianjun Wu , Honggang Zhang

Today, wireless networks are becoming responsible for serving intelligent applications, such as extended reality and metaverse, holographic telepresence, autonomous transportation, and collaborative robots. Although current fifth-generation…

网络与互联网体系结构 · 计算机科学 2024-01-30 Hassan Saadat , Abdullatif Albaseer , Mohamed Abdallah , Amr Mohamed , Aiman Erbad

While natural language is the de facto communication medium for LLM-based agents, it presents a fundamental constraint. The process of downsampling rich, internal latent states into discrete tokens inherently limits the depth and nuance of…

机器学习 · 计算机科学 2026-04-17 Zhuoyun Du , Runze Wang , Huiyu Bai , Zouying Cao , Xiaoyong Zhu , Yu Cheng , Bo Zheng , Wei Chen , Haochao Ying