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In-vehicle wireless networks are crucial for advancing smart transportation systems and enhancing interaction among vehicles and their occupants. However, there are limited studies in the current state of the art that investigate the…

信号处理 · 电气工程与系统科学 2024-10-04 Mengting Li , Yifa Li , Qiyu Zeng , Kim Olesen , Fengchun Zhang , Wei Fan

In the U.S., corn is the most produced crop and has been an essential part of the American diet. To meet the demand for supply chain management and regional food security, accurate and timely large-scale corn yield prediction is attracting…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Zeyu Cao , Yuchi Ma , Zhou Zhang

Integrated sensing and communication (ISAC) has attracted growing interests for enabling the future 6G wireless networks, due to its capability of sharing spectrum and hardware resources between communication and sensing systems. However,…

信息论 · 计算机科学 2025-01-27 Renwang Li , Xiaodan Shao , Shu Sun , Meixia Tao , Rui Zhang

Modern millimeter wave (mmWave) communication systems rely on beam alignment to deliver sufficient beamforming gain to close the link between devices. We present a novel beam selection methodology for multi-panel, full-duplex mmWave…

信号处理 · 电气工程与系统科学 2022-07-18 Ian P. Roberts , Aditya Chopra , Thomas Novlan , Sriram Vishwanath , Jeffrey G. Andrews

This paper investigates the broadband channel estimation (CE) for intelligent reflecting surface (IRS)-aided millimeter-wave (mmWave) massive MIMO systems. The CE for such systems is a challenging task due to the large dimension of both the…

信息论 · 计算机科学 2023-07-14 Ziwei Wan , Zhen Gao , Mohamed-Slim Alouini

With the development of the upcoming sixth-generation (6G) wireless networks, there is a pressing need for innovative technologies capable of satisfying heightened performance indicators. Fluid antenna system (FAS) is proposed recently as a…

信号处理 · 电气工程与系统科学 2026-01-12 Yuqi Ye , Li You , Hao Xu , Ahmed Elzanaty , Kai-Kit Wong , Xiqi Gao

The directionality of millimeter-wave (mmWave) communications introduces a significant challenge in serving fast-rotating/moving terminals, e.g., mobile AR/VR, high-speed vehicles, trains, UAVs.This challenge is exacerbated in mmWave…

信息论 · 计算机科学 2019-04-26 Jiahui Li , Yin Sun , Limin Xiao , Shidong Zhou , C. Emre Koksal

We provide a simple and accurate analytical model for multi-cell infrastructure IEEE 802.11 WLANs. Our model applies if the cell radius, $R$, is much smaller than the carrier sensing range, $R_{cs}$. We argue that, the condition $R_{cs} >>…

网络与互联网体系结构 · 计算机科学 2009-03-14 Manoj K. Panda , Anurag Kumar

Arbitrary-oriented object detection (AOOD) plays a significant role for image understanding in remote sensing scenarios. The existing AOOD methods face the challenges of ambiguity and high costs in angle representation. To this end, a…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Hao Wang , Zhanchao Huang , Zhengchao Chen , Ying Song , Wei Li

The steadily growing use of license-free frequency bands requires reliable coexistence management for deterministic medium utilization. For interference mitigation, proper wireless interference identification (WII) is essential. In this…

机器学习 · 计算机科学 2018-04-19 Malte Schmidt , Dimitri Block , Uwe Meier

This paper presents the development and application of an AI-based method for particle track identification using scintillating fibres read out with imaging sensors. We propose a variational autoencoder (VAE) to efficiently filter and…

机器学习 · 计算机科学 2025-05-06 Noemi Bührer , Saúl Alonso-Monsalve , Matthew Franks , Till Dieminger , Davide Sgalaberna

Terahertz (THz) communication is considered to be a promising technology for future 6G network. To overcome the severe attenuation and relieve the high power consumption, massive MIMO with hybrid precoding has been widely considered for THz…

信息论 · 计算机科学 2021-08-19 Jingbo Tan , Linglong Dai

Ultra-wideband (UWB) devices are widely used in indoor localization scenarios. Single-anchor UWB localization shows advantages because of its simple system setup compared to conventional two-way ranging (TWR) and trilateration localization…

信号处理 · 电气工程与系统科学 2025-02-18 Sitian Li , Alexios Balatsoukas-Stimming , Andreas Burg

In this work, we exploit the sector level sweep of the IEEE 802.11ad communication standard to implement an opportunistic radar at mmWaves and derive an adaptive procedure for detecting multiple targets (echoes) and estimating their…

信号处理 · 电气工程与系统科学 2022-03-09 Emanuele Grossi , Marco Lops , Luca Venturino

A shift-invariant variational autoencoder (shift-VAE) is developed as an unsupervised method for the analysis of spectral data in the presence of shifts along the parameter axis, disentangling the physically-relevant shifts from other…

无序系统与神经网络 · 物理学 2021-04-22 Yongtao Liu , Rama K. Vasudevan , Kyle Kelley , Dohyung Kim , Yogesh Sharma , Mahshid Ahmadi , Sergei V. Kalinin , Maxim Ziatdinov

This paper is concerned with the channel estimation problem in multi-cell Millimeter (mmWave) wireless systems. We develop a novel Ray-of-Arrival Passing for Indirect (RAPID) Beam Training framework, in which a network consisting of…

信息论 · 计算机科学 2018-05-01 Matthew Kokshoorn , He Chen , Yonghui Li , Branka Vucetic

The goal of anomaly detection is to identify examples that deviate from normal or expected behavior. We tackle this problem for images. We consider a two-phase approach. First, using normal examples, a convolutional autoencoder (CAE) is…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Natasa Sarafijanovic-Djukic , Jesse Davis

One of the important use-cases of 5G network is the vehicle to infrastructure (V2I) communication which requires accurate understanding about its dynamic propagation environment. As 5G base stations (BSs) tend to have multiple antennas,…

信息论 · 计算机科学 2017-07-25 Tadilo Endeshaw Bogale , Xianbin Wang , Long Bao Le

Communication-aware robot planning requires accurate predictions of wireless network performance. Current approaches rely on channel-level metrics such as received signal strength and signal-to-noise ratio, assuming these translate reliably…

网络与互联网体系结构 · 计算机科学 2026-03-11 Nils Jörgensen

In the case of vector flow imaging systems, the most employed flow estimation techniques are the directional beamforming based cross correlation and the triangulation-based autocorrelation. However, the directional beamforming-based…

信号处理 · 电气工程与系统科学 2022-06-07 A. N. Madhavanunni , Mahesh Raveendranatha Panicker