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相关论文: Deep-Learning Based Reconfigurable Intelligent Sur…

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Reconfigurable intelligent surface (RIS)-aided vehicle-to-everything (V2X) communication has emerged as a crucial solution for providing reliable data services to vehicles on the road. However, in delay-sensitive or high-mobility…

信号处理 · 电气工程与系统科学 2025-03-03 Shuaijun Li , Jie Tang , Beixiong Zheng , Xiaokai Song , Guixin Pan , Kai-Kit Wong

For speech recognition, deep neural networks (DNNs) have significantly improved the recognition accuracy in most of benchmark datasets and application domains. However, compared to the conventional Gaussian mixture models, DNN-based…

计算与语言 · 计算机科学 2017-06-15 Liang Lu , Steve Renals

The real-time quantification of the effect of a wireless channel on the transmitting signal is crucial for the analysis and the intelligent design of wireless communication systems for various services. Recent mechanisms to model channel…

机器学习 · 计算机科学 2024-10-24 Lee Youngmin , Ma Xiaomin , Lang S. I. D Andrew

Vehicular edge computing (VEC) is an emerging technology with significant potential in the field of internet of vehicles (IoV), enabling vehicles to perform intensive computational tasks locally or offload them to nearby edge devices.…

机器学习 · 计算机科学 2025-06-19 Kangwei Qi , Qiong Wu , Pingyi Fan , Nan Cheng , Wen Chen , Khaled B. Letaief

Deep learning networks have shown promising results in fast magnetic resonance imaging (MRI) reconstruction. In our work, we develop deep networks to further improve the quantitative and the perceptual quality of reconstruction. To begin…

This paper investigates a learning solution for robust beamforming optimization in downlink multi-user systems. A base station (BS) identifies efficient multi-antenna transmission strategies only with imperfect channel state information…

信息论 · 计算机科学 2021-03-03 Junbeom Kim , Hoon Lee , Seok-Hwan Park

Intrusion detection system (IDS) plays an essential role in computer networks protecting computing resources and data from outside attacks. Recent IDS faces challenges improving flexibility and efficiency of the IDS for unexpected and…

密码学与安全 · 计算机科学 2020-03-05 Azizjon Meliboev , Jumabek Alikhanov , Wooseong Kim

Ultrasonic imaging is being used to obtain information about the acoustic properties of a medium by emitting waves into it and recording their interaction using ultrasonic transducer arrays. The Delay-And-Sum (DAS) algorithm forms images…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Georgios Pilikos , Lars Horchens , Tristan van Leeuwen , Felix Lucka

Reconfigurable intelligent surface (RIS)-empowered communication is one of the promising 6G technologies that allows the conversion of the wireless channel into an intelligent transmit entity by manipulating the impinging waves using…

信息论 · 计算机科学 2020-09-01 I. Yildirim , A. Uyrus , E. Basar

Reconfigurable intelligent surfaces (RISs) are envisioned as a promising technology for future wireless communications. With various hardware realizations, RISs can work under different modes (reflective/transmissive/hybrid) or have…

信息论 · 计算机科学 2022-08-08 Hongyu Li , Shanpu Shen , Bruno Clerckx

Communication infrastructure is often severely disrupted in post-disaster areas, which interrupts communications and impedes rescue. Recently, the technology of reconfigurable intelligent surface (RIS)-equipped-UAV has been investigated as…

信息论 · 计算机科学 2024-06-18 Yinong Chen , Wenchi Cheng , Wei Zhang

Channel estimation is of great importance in realizing practical intelligent reflecting surface-assisted multi-user communication (IRS-MC) systems. However, different from traditional communication systems, an IRS-MC system generally…

信号处理 · 电气工程与系统科学 2020-12-02 Chang Liu , Xuemeng Liu , Derrick Wing Kwan Ng , Jinhong Yuan

In this paper, we investigate the two-way communication between two users assisted by a re-configurable intelligent surface (RIS). The scheme that two users communicate simultaneously over Rayleigh fading channels is considered. The…

信号处理 · 电气工程与系统科学 2020-05-05 Saman Atapattu , Rongfei Fan , Prathapasinghe Dharmawansa , Gongpu Wang , Jamie Evans , Theodoros A. Tsiftsis

Given its ability to control and manipulate wireless environments, reconfigurable intelligent surface (RIS), also known as intelligent reflecting surface (IRS), has emerged as a key enabler technology for the six-generation (6G) cellular…

信号处理 · 电气工程与系统科学 2021-02-01 Ahmed Al-Hilo , Moataz Samir , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

The integration of reconfigurable intelligent surfaces (RIS) into future wireless communication systems offers promising capabilities in dynamic environment shaping and spectrum efficiency. In this work, we present a consistent…

信号处理 · 电气工程与系统科学 2026-05-26 Ivan Iudice , Giacinto Gelli , Donatella Darsena

This paper introduces double cascaded reconfigurable intelligent surfaces (RISs) to non-orthogonal multiple access (NOMA) networks over cascaded Rician fading and Nakagami-$m$ fading channels, where two kinds of passive RIS (PRIS) and…

数值分析 · 数学 2024-08-15 Xuehua Li , Xuanhao Lian , Xinwei Yue , Zhiping Lu , Chongwen Huang , Tianwei Hou

Meta-surfaces intend to improve significantly the performance of future wireless networks by controlling the wireless propagation and shaping the radio waves according to the generalized Snell's law. A recent application of meta-surfaces is…

In the Edge Inference (EI) paradigm, where a Deep Neural Network (DNN) is split across the transceivers to wirelessly communicate goal-defined features in solving a computational task, the wireless medium has been commonly treated as a…

机器学习 · 计算机科学 2025-04-03 Kyriakos Stylianopoulos , Paolo Di Lorenzo , George C. Alexandropoulos

This paper introduces a novel approach for real-time onboard terrain classification from Sentinel-1 (S1) level-0 raw In-phase/Quadrature (IQ) data, leveraging a Stacked Intelligent Metasurface (SIM) to perform inference directly in the…

信号处理 · 电气工程与系统科学 2025-03-19 Mengbing Liu , Xin Li , Jiancheng An , Chau Yuen

This paper investigates the downlink transmission of reconfigurable intelligent surface (RIS)-aided cooperative non-orthogonal-multiple-access (C-NOMA), where both half-duplex (HD) and full-duplex (FD) relaying modes are considered. The…

信号处理 · 电气工程与系统科学 2021-01-06 Mohamed Elhattab , Mohamed Amine Arfaoui , Chadi Assi , Ali Ghrayeb