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In this paper, we study an intelligent reflecting surface (IRS)-aided wireless secure communication system for physical layer security, where an IRS is deployed to adjust its surface reflecting elements to guarantee secure communication of…

信号处理 · 电气工程与系统科学 2020-12-25 Helin Yang , Zehui Xiong , Jun Zhao , Dusit Niyato , Liang Xiao , Qingqing Wu

Reconfigurable intelligent surfaces (RISs) are arrays of passive elements that can control the reflection of the incident electromagnetic waves. While RIS are particularly useful to avoid blockages, the protocol aspects for their…

Large intelligent surface (LIS) has emerged as a promising new solution to improve the energy and spectrum efficiency of wireless networks. A LIS, composed of a large number of low-cost and energy-efficient reconfigurable passive reflecting…

信息论 · 计算机科学 2019-08-09 Wenjing Yan , Xiaoyan Kuai , Xiaojun Yuan

Recently, the pinching antenna system (PASS) has attracted considerable attention due to their advantages in flexible deployment and reduction of signal propagation loss. In this work, a multiple waveguide PASS assisted integrated sensing…

信号处理 · 电气工程与系统科学 2026-01-01 Haochen Li , Ruikang Zhong , Jiayi Lei , Yuanwei Liu

This paper investigates a joint beamforming design in a multiuser multiple-input single-output (MISO) communication network aided with an intelligent reflecting surface (IRS) panel. The symbol-level precoding (SLP) is adopted to enhance the…

信息论 · 计算机科学 2021-09-01 Guangyang Zhang , Chao Shen , Bo Ai , Zhangdui Zhong

This work describes the implementation of a simple and computationally efficient Intelligent Navigation System (INS) for autonomous systems used in areas where human access is impossible. The system uses Laser Range Finder (LRF) readings as…

Next-generation networks require intelligent and robust channel conditions to support ultra-high data rates, seamless connectivity, and large-scale device deployments in dynamic environments. While flexible antenna technologies such as…

信号处理 · 电气工程与系统科学 2025-09-03 Enzhi Zhou , Yue Xiao , Ziyue Liu , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , George K. Karagiannidis

The detection and tracking of small targets in passive optical remote sensing (PORS) has broad applications. However, most of the previously proposed methods seldom utilize the abundant temporal features formed by target motion, resulting…

计算机视觉与模式识别 · 计算机科学 2024-05-16 Weihua Gao , Wenlong Niu , Wenlong Lu , Pengcheng Wang , Zhaoyuan Qi , Xiaodong Peng , Zhen Yang

Existing 3D human pose estimation models suffer performance drop when applying to new scenarios with unseen poses due to their limited generalizability. In this work, we propose a novel framework, Inference Stage Optimization (ISO), for…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Jianfeng Zhang , Xuecheng Nie , Jiashi Feng

Intelligent reflecting surface (IRS) has emerged as an appealing solution to enhance the wireless communication performance by reconfiguring the wireless propagation environment. In this paper, we propose to apply IRS to the physical-layer…

信息论 · 计算机科学 2020-11-17 Boyu Ning , Zhi Chen , Zhongbao Tian , Shaoqian Li

Intelligent reflecting surface (IRS) has emerged as a promising technique to extend the wireless signal coverage of access point (AP) and improve the communication performance cost-effectively. In order to reduce the path-loss of the…

信息论 · 计算机科学 2024-01-17 Yuwei Huang , Lipeng Zhu , Rui Zhang

Radio Environmental Maps (REMs) are a powerful tool for enhancing the performance of various communication and networked agents. However, generating REMs is a laborious undertaking, especially in complex 3-Dimensional (3D) environments,…

网络与互联网体系结构 · 计算机科学 2021-11-08 Ken Mendes , Filip Lemic , Jeroen Famaey

Intelligent reflecting surface (IRS) has recently been identified as a prominent technology with the ability of enhancing wireless communication by dynamically manipulating the propagation environment. This paper investigates a…

信息论 · 计算机科学 2020-09-15 Yuwei Gao , Jindan Xu , Wei Xu , Derrick Wing Kwan Ng , Mohamed Slim Alouini

In this paper, we provide expressions for the secrecy outage probability (SOP) for suboptimal and optimal opportunistic scheduling schemes in a reconfigurable intelligent surface (RIS) aided {single antenna} system with multiple…

信息论 · 计算机科学 2025-04-01 Burhan Wafai , Sarbani Ghose , Chinmoy Kundu , Ankit Dubey , Mark F. Flanagan

Widespread adoption of indoor positioning systems based on WiFi fingerprinting is at present hindered by the large efforts required for measurements collection during the offline phase. Two approaches were recently proposed to address such…

网络与互联网体系结构 · 计算机科学 2019-04-03 Giuseppe Caso , Luca De Nardis , Filip Lemic , Vlado Handziski , Adam Wolisz , Maria-Gabriella Di Benedetto

Integrated passive radar (IPR) can be regarded as next generation passive radar technology, which aims to integrate communication and radar systems. Unlike conventional passive radar, which does not prioritize communication-centric radar…

信号处理 · 电气工程与系统科学 2024-02-27 Amir Zaimbashi , Maria Sabrina Greco , Fulvio Gini

An inverse source reconstruction (ISR) based 3-D near-field (NF) passive radar microwave imaging method utilizing modulated signals is presented. The modulated signals from a non-cooperative transmitter are scattered by the targets of…

图像与视频处理 · 电气工程与系统科学 2026-05-06 Quanfeng Wang , Alexander H. Paulus , Thomas F. Eibert

The 6G wireless networks impose extremely high requirements on physical layer secure communication. However, the existing solutions usually can only achieve one-dimensional physical layer security (PLS) in the angle dimension, and cannot…

新兴技术 · 计算机科学 2025-11-06 Zhendong Wang , Chenyang Meng , Jun Yang , Jiayuan Wang , Yin Li , Linshan Jiang , Jin Zhang

For reliable operation, next generation autonomous agents will need enhanced situational perception as well as precise navigation capabilities. The global navigation satellite system (GNSS) signals that are utilized by practically all…

信号处理 · 电气工程与系统科学 2020-07-30 Nicolas Souli , Panayiotis Kolios , Georgios Ellinas

This paper investigates the passive detection problem in multi-static integrated sensing and communication (ISAC) systems, where multiple sensing receivers (SRs) jointly detect a target using random unknown communication signals transmitted…

信息论 · 计算机科学 2025-06-10 Renjie He , Yiqiu Wang , Meixia Tao , Shu Sun
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