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Sparse code multiple access (SCMA) is a class of non-orthogonal multiple access (NOMA) that is proposed to support uplink machine-type communication services. In an SCMA system, designing multidimensional constellation plays an important…

信息论 · 计算机科学 2018-10-30 Monirosharieh Vameghestahbanati , Ian Marsland , Ramy H. Gohary , Halim Yanikomeroglu

In this work, we study multi-sensor scheduling for remote state estimation over wireless multiple-input multiple-output (MIMO) fading channels using a novel semantic over-the-air (SemOTA) aggregation approach. We first revisit Kalman…

系统与控制 · 电气工程与系统科学 2026-02-06 Minjie Tang , Photios A. Stavrou , Marios Kountouris

Earth observation with small satellites serves a wide range of relevant applications. However, significant advances in sensor technology (e.g., higher resolution, multiple spectrums beyond visible light) in combination with challenging…

网络与互联网体系结构 · 计算机科学 2024-07-26 Olga Kondrateva , Stefan Dietzel , Björn Scheuermann

This paper proposes a real-time distributed operational architecture to efficiently coordinate intergrated transmission and distribution systems (ITD). At the distribution system level, the distribution system operator (DSO) computes the…

最优化与控制 · 数学 2024-07-08 Xinliang Dai , Yi Guo , Yuning Jiang , Colin N. Jones , Gabriela Hug , Veit Hagenmeyer

Digital/Analog converters based on sigma-delta modulation are simple and unexpensive circuits featuring a signal bandwidth limited by speed constraints. Multi-bit modulators allow balancing complexity and speed by reducing the clock…

信号处理 · 电气工程与系统科学 2025-12-16 Marta Laguna , Juana M. Martínez-Heredia , Manuel G. Satué

As a revolution in networking, Internet of Things (IoT) aims at automating the operations of our societies by connecting and leveraging an enormous number of distributed devices (e.g., sensors and actuators). One design challenge is…

信息论 · 计算机科学 2018-08-15 Xiaoyang Li , Guangxu Zhu , Yi Gong , Kaibin Huang

Various communication technologies are expected to utilize mobile ad hoc networks (MANETs). By combining MANETs with non-orthogonal multiple access (NOMA) communications, one can support scalable, spectrally efficient, and flexible network…

信息论 · 计算机科学 2024-06-11 Tomer Alter , Nir Shlezinger

DETR-style detectors stand out amongst in-domain scenarios, but their properties in domain shift settings are under-explored. This paper aims to build a simple but effective baseline with a DETR-style detector on domain shift settings based…

计算机视觉与模式识别 · 计算机科学 2022-08-04 Kaixiong Gong , Shuang Li , Shugang Li , Rui Zhang , Chi Harold Liu , Qiang Chen

The computational demands of modern AI have spurred interest in optical neural networks (ONNs) which offer the potential benefits of increased speed and lower power consumption. However, current ONNs face various challenges,most…

神经与进化计算 · 计算机科学 2024-01-29 Xiansong Meng , Deming Kong , Kwangwoong Kim , Qiuchi Li , Po Dong , Ingemar J. Cox , Christina Lioma , Hao Hu

The practical deployment of high-capacity free-space optical communication is fundamentally limited by atmospheric turbulence, a challenge that conventional mode-sorting techniques have failed to overcome. While engineered optical computers…

光学 · 物理学 2025-09-26 Christopher R. Rawlings , Mitchell A. Cox

The efficiency of the management of top-class ground-based astronomical facilities supported by Adaptive Optics (AO) relies on our ability to forecast the optical turbulence (OT) and a set of relevant atmospheric parameters. Indeed, in…

天体物理仪器与方法 · 物理学 2020-06-14 E. Masciadri , G. Martelloni , A. Turchi

We consider problems where agents in a network seek a common quantity, measured independently and periodically by each agent through a local time-varying process. Numerous solvers addressing such problems have been developed in the past,…

最优化与控制 · 数学 2024-03-08 Navneet Agrawal , Renato L. G. Cavalcante , Sławomir Stańczak

Fluid antenna system (FAS) is able to exploit spatial degrees of freedom (DoFs) in wireless channels. In this letter, to exploit spatial DoFs in frequency-selective environments, we investigate an orthogonal frequency division multiplexing…

信息论 · 计算机科学 2026-02-10 Heyang Xiong , Quanzhong Li , Qi Zhang

Recently, over-the-air computation (AirComp) leverages the superposition property of wireless channels to enable efficient function computation over a multiple access channel (MAC). However, existing digital AirComp methods either rely on…

信号处理 · 电气工程与系统科学 2025-11-26 Xiaojing Yan , Saeed Razavikia , Carlo Fischione

Devices that detect angle-of-arrival (AoA) over a wide field of view are crucial for various applications such as wireless communication and navigation. They are often installed on platforms with challenging mechanical and stealth…

信号处理 · 电气工程与系统科学 2025-07-08 Idban Alamzadeh , Michael Inman , Mohammadreza F. Imani

In this paper, we study unmanned aerial vehicles (UAVs) assisted wireless data aggregation (WDA) in multicluster networks, where multiple UAVs simultaneously perform different WDA tasks via over-the-air computation (AirComp) without…

信息论 · 计算机科学 2022-12-26 Min Fu , Yong Zhou , Yuanming Shi , Chunxiao Jiang , Wei Zhang

We consider a wireless node that randomly receives data from different sensor units. The arriving data must be compressed, stored, and transmitted over a wireless link, where both the compression and transmission operations consume power.…

最优化与控制 · 数学 2008-07-25 Michael J. Neely , Abhishek Sharma

Few-Shot Remote Sensing Scene Classification (FS-RSSC) presents the challenge of classifying remote sensing images with limited labeled samples. Existing methods typically emphasize single-modal feature learning, neglecting the potential…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Zhong Ji , Ci Liu , Jingren Liu , Chen Tang , Yanwei Pang , Xuelong Li

This paper proposes a signal processing methodology of communication system and realized that circuits using operational transconductance amplifier (OTA). Two important classes of communication circuit, delta modulator and compander have…

其他计算机科学 · 计算机科学 2010-02-26 A. Roy , K. Ghosh , S. Mondal , B. N. Ray

In this paper, we propose a practical adaptive coding modulation scheme to approach the capacity of free-space optical (FSO) channels with intensity modulation/direct detection based on probabilistic shaping. The encoder efficiently adapts…

信息论 · 计算机科学 2020-12-01 Ahmed Elzanaty , Mohamed-Slim Alouini