中文
相关论文

相关论文: Evaluation of gps/glonass patch versus rf gps (L1)…

200 篇论文

The vulnerability of the Global Positioning System (GPS) against spoofing is known for quite some time. Also, the positioning and navigation of most semi-autonomous and autonomous drones are dependent on Global Navigation Satellite System…

密码学与安全 · 计算机科学 2022-06-22 M. Surendra Kumar , Gaurav S. Kasbekar , Arnab Maity

Movable antenna (MA), which can flexibly change the position of antenna in three-dimensional (3D) continuous space, is an emerging technology for achieving full spatial performance gains. In this paper, a prototype of MA communication…

信息论 · 计算机科学 2024-08-19 Zhenjun Dong , Zhiwen Zhou , Zhiqiang Xiao , Chaoyue Zhang , Xinrui Li , Hongqi Min , Yong Zeng , Shi Jin , Rui Zhang

A novel quantity for predicting the high-gradient performance of radio frequency accelerating structures is presented. The quantity is motivated, derived and compared with earlier high-gradient limits and experiments. This new method models…

加速器物理 · 物理学 2022-10-03 Jan Paszkiewicz , Alexej Grudiev , Walter Wuensch

Microstrip patch antennas (MPAs) are rapidly gaining more attention due to the proliferation of communication devices and systems with frequencies becoming more suitable for the size and performance of this type of antenna. Due to recent…

新兴技术 · 计算机科学 2017-09-05 A. F. Salami , O. S. Zakariyya , B. O. Sadiq , O. A. Abdulrahman

Motivated by the need for fast timing detectors to withstand up to 2 MGy of ionizing dose at the High Luminosity Large Hadron Collider, prototype low gain avalanche detectors (LGADs) have been fabricated in single pad configuration, 2x2…

仪器与探测器 · 物理学 2021-12-20 Martin Hoeferkamp , Alissa Howard , Gregor Kramberger , Sally Seidel , Josef Sorenson , Adam Yanez

This research work focuses on the design and simulation of a planar dipole antenna for 1800MHZ Band for Global System Mobile GSM application using Computer Software Technology CST studio software. The antenna is structured on a fire…

信号处理 · 电气工程与系统科学 2018-06-13 Waleed Ahmed Al Garidi , Norsuzlin Bt Mohd Sahar , Rozita Teymourzadeh

This paper presents the design and characterization of a rectangular microstrip patch antenna array optimized for operation within the Ku-band frequency range. The antenna array is impedance-matched to 50 Ohms and utilizes a microstrip line…

系统与控制 · 电气工程与系统科学 2024-05-29 Muhammad Asfar Saeed , Augustine O. Nwajana

Satellite-based positioning system such as GPS often suffers from large amount of noise that degrades the positioning accuracy dramatically especially in real-time applications. In this work, we consider a data-mining approach to enhance…

机器学习 · 统计学 2019-06-05 Ming Lin , Xiaomin Song , Qi Qian , Hao Li , Liang Sun , Shenghuo Zhu , Rong Jin

This paper presents results from a vehicle-to-vehicle channel measurement campaign conducted in the millimeter-wave (MMW) frequency bands at center frequencies of 60GHz and 80GHz, each with a bandwidth of 2GHz. The measurements were…

Antennas are taking design shapes by the orientation of its material and the final structural design they take. Irrespective of the shape, the function and efficiency they produce does not change and vary to much extent. We are trying to…

系统与控制 · 电气工程与系统科学 2023-05-09 Sunit Shantanu Digamber Fulari

This paper describes the design and evaluation of a Substrate Integrated Waveguide (SIW) antenna operating at 2.4 GHz. This antenna was designed as a possible solution for the implementation of the vehicular networks (VANETs). The main…

信号处理 · 电气工程与系统科学 2020-01-07 Kevin Delgadillo , Cesar Rodriguez , Wilder Castellanos , Hector Guarnizo

The synergy of fluid-based reconfigurable antenna (FA) technology and full-duplex (FD) communications can be jointly beneficial, as FD can enhance the spectral efficiency of a point-to-point link, while the new degree of freedom offered by…

信息论 · 计算机科学 2023-04-11 Christodoulos Skouroumounis , Ioannis Krikidis

We are interested in the assessment of electromagnetic Path-Loss in complex environments. The Path-loss is the attenuation function $P$ of the electromagnetic power at a distance $d$ of an antenna. In free-space, $P(d) \propto 1/d^2$, in…

概率论 · 数学 2016-04-05 Thomas Courtat , Laurent Decreusefond , Phillipe Martins

In this work, we research and evaluate multiple pose-graph fusion strategies for vehicle localization. We focus on fusing a single absolute localization system, i.e. automotive-grade Global Navigation Satellite System (GNSS) at 1 Hertz,…

信号处理 · 电气工程与系统科学 2018-03-22 Anweshan Das , Gijs Dubbelman

Future wireless networks and sensing systems will benefit from access to large chunks of spectrum above 100 GHz, to achieve terabit-per-second data rates in 6th Generation (6G) cellular systems and improve accuracy and reach of Earth…

信号处理 · 电气工程与系统科学 2024-02-14 Paolo Testolina , Michele Polese , Josep M. Jornet , Tommaso Melodia , Michele Zorzi

Millimeter-Wave (mmWave) (30-300 GHz) and D band (110-170 GHz) frequencies are poised to play a pivotal role in the advancement of sixth-generation (6G) systems and beyond with increased demand for greater bandwidth and capacity. This paper…

In this letter, we investigate single-slope path loss models complemented with shadowing effects in the context of vehicular communications. We present several models obtained based on extensive measurement campaigns with inter-vehicle…

网络与互联网体系结构 · 计算机科学 2024-10-24 Pawel Kryszkiewicz , Adrian Kliks , Pawel Sroka , Michal Sybis

At least ten emerging providers are developing satellite navigation systems for low Earth orbit (LEO). Compatibility with existing GNSS in L-band is critical to their successful deployment and for the larger ecosystem. Xona is deploying…

信号处理 · 电气工程与系统科学 2026-04-09 Tyler G. R. Reid , Matteo Gala , Mathieu Favreau , Argyris Kriezis , Michael O'Meara , Andre Pant , Paul Tarantino , Christina Youn

Accurate understanding of electromagnetic propagation properties in real environments is necessary for efficient design and deployment of cellular systems. In this paper, we show a method to estimate high-resolution channel parameters with…

信号处理 · 电气工程与系统科学 2023-04-05 Junshi Chen , Russ Whiton , Xuhong Li , Fredrik Tufvesson

As an emerging flexible antenna technology for wireless communications, pinching-antenna systems, offer distinct advantages in terms of cost efficiency and deployment flexibility. This paper investigates joint transmission strategies of the…

信息论 · 计算机科学 2025-06-25 Enzhi Zhou , Jingjing Cui , Ziyue Liu , Zhiguo Ding , Pingzhi Fan