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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…

机器学习 · 计算机科学 2025-12-18 Matin Mortaheb , Erciyes Karakaya , Sennur Ulukus

Semantic communication (SemCom) has emerged as a promising paradigm for future wireless networks by prioritizing task-relevant meaning over raw data delivery, thereby reducing communication overhead and improving efficiency. However,…

密码学与安全 · 计算机科学 2026-04-24 Weixuan Chen , Qianqian Yang , Yuanyuan Jia , Junyu Pan , Shuo Shao , Jincheng Dai , Meixia Tao , Ping Zhang

The possibility of using a single digital {\Delta}{\Sigma} modulator to simultaneously encode the two channels of a stereo signal is illustrated. From the modulated stream, the two channels can be recovered with minimal processing and no…

信息论 · 计算机科学 2014-09-26 Sergio Callegari

We consider general multi-antenna fading channels with coarsely quantized outputs, where the channel is unknown to the transmitter and receiver. This analysis is of interest in the context of sensor network communication where low power and…

信息论 · 计算机科学 2010-10-28 Amine Mezghani , Josef A. Nossek

Recent works propose neural network- (NN-) inspired analog-to-digital converters (NNADCs) and demonstrate their great potentials in many emerging applications. These NNADCs often rely on resistive random-access memory (RRAM) devices to…

机器学习 · 计算机科学 2019-12-02 Weidong Cao , Liu Ke , Ayan Chakrabarti , Xuan Zhang

In this work, a self-attention based conditional generative adversarial network (SA-cGAN) framework for the sixth generation (6G) semantic communication system is proposed, explicitly designed to balance the trade-off between distortion…

信号处理 · 电气工程与系统科学 2026-04-01 Faizan Shafi , Rahul Jashvantbhai Pandya , Christo Kurisummoottil Thomas , Sridhar Iyer

High resolution analog to digital converters (ADCs) are conventionally used at the receiver terminals to store an accurate digital representation of the received signal, thereby allowing for reliable decoding of transmitted messages.…

信息论 · 计算机科学 2021-12-07 Abbas Khalili , Farhad Shirani , Elza Erkip , Yonina C. Eldar

Integrated sensing and communications (ISAC) has emerged as a means to efficiently utilize spectrum and thereby save cost and power. At the higher end of the spectrum, ISAC systems operate at wideband using large antenna arrays to meet the…

信号处理 · 电气工程与系统科学 2024-11-06 Ahmet M. Elbir , Abdulkadir Celik , Ahmed M. Eltawil

ADCs sit at the interface of the analog and digital worlds and fundamentally determine what information is available in the digital domain for processing. This paper shows that a configurable ADC can be designed for signals with non…

信息论 · 计算机科学 2013-05-14 Arthur J. Redfern , Kun Shi

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

We propose a fast and near-optimal approach to joint channel-estimation, equalization, and decoding of coded single-carrier (SC) transmissions over frequency-selective channels with few-bit analog-to-digital converters (ADCs). Our approach…

信息论 · 计算机科学 2019-01-30 Peng Sun , Zhongyong Wang , Robert W. Heath , Philip Schniter

Semantic communication (SemComm) has emerged as new paradigm shifts.Most existing SemComm systems transmit continuously distributed signals in analog fashion.However, the analog paradigm is not compatible with current digital communication…

信号处理 · 电气工程与系统科学 2024-08-12 Mingze Gong , Shuoyao Wang , Suzhi Bi , Yuan Wu , Liping Qian

Semantic communication (SemCom) aims to convey the intended meaning of messages rather than merely transmitting bits, thereby offering greater efficiency and robustness, particularly in resource-constrained or noisy environments. In this…

信息论 · 计算机科学 2025-07-08 Chengyang Liang , Dong Li

The fundamental limits of communication over multiple-input multiple-output (MIMO) networks are considered when a limited number of one-bit analog to digital converters (ADC) are used at the receiver terminals. Prior works have mainly…

信息论 · 计算机科学 2019-02-04 Abbas Khalili , Farhad Shirani , Elza Erkip , Yonina C. Eldar

The last seventy years have witnessed the transition of communication from Shannon's theoretical concept to current high-efficient practical systems. Classical communication systems address the capability-deficiency issue mainly by…

信息论 · 计算机科学 2022-03-31 Kai Niu , Jincheng Dai , Shengshi Yao , Sixian Wang , Zhongwei Si , Xiaoqi Qin , Ping Zhang

This paper presents the new approach in implementation of analog-to-digital converter (ADC) that is based on Hopfield neural-network architecture. Hopfield neural ADC (NADC) is a type of recurrent neural network that is effective in solving…

新兴技术 · 计算机科学 2018-01-03 Aigerim Tankimanova , Akshay Kumar Maan , Alex Pappachen James

Task-Oriented Semantic Communication (TOSC) has been considered as a new communication paradigm to serve various samrt devices that depend on Artificial Intelligence (AI) tasks in future wireless networks. The existing TOSC frameworks rely…

信号处理 · 电气工程与系统科学 2024-07-17 Yuzhou Fu , Wenchi Cheng , Wei Zhang , Wei Zhang

Dual-functional radar-communication (DFRC) signal design has received much attention lately. We consider the scenario of one-bit massive multi-input multi-output (MIMO) wherein one-bit DACs are employed for the sake of saving hardware…

信号处理 · 电气工程与系统科学 2025-01-28 Wai-Yiu Keung , Hei Victor Cheng , Wing-Kin Ma

In this paper we prove optimality of a certain class of Analog to Digital Converters (ADCs), which can be viewed as generalized Delta-Sigma Modulators (DSMs), with respect to a performance measure that can be characterized as the worst-case…

最优化与控制 · 数学 2012-07-23 Mitra Osqui , Alexandre Megretski

Compared with the current Shannon's Classical Information Theory (CIT) paradigm, semantic communication (SemCom) has recently attracted more attention, since it aims to transmit the meaning of information rather than bit-by-bit…

图像与视频处理 · 电气工程与系统科学 2023-04-20 Bingxuan Xu , Rui Meng , Yue Chen , Xiaodong Xu , Chen Dong , Hao Sun