中文
相关论文

相关论文: Through-the-Wall Imaging Exploiting 2.4GHz Commodi…

200 篇论文

In this work we demonstrate 3D imaging using two-photon excitation through a 20 cm long multimode optical fiber (MMF) of 350 micrometers diameter. The imaging principle is similar to single photon fluorescence through a MMF, except that a…

光学 · 物理学 2016-01-20 Edgar E. Morales-Delgado , Demetri Psaltis , Christophe Moser

Modeling radio frequency (RF) signal propagation is essential for understanding the environment, as RF signals offer valuable insights beyond the capabilities of RGB cameras, which are limited by the visible-light spectrum, lens coverage,…

机器学习 · 计算机科学 2025-10-07 Kyoungjun Park , Yifan Yang , Changhan Ge , Lili Qiu , Shiqi Jiang

Acquiring high-contrast optical images deep inside biological tissues is still a challenging problem. Confocal microscopy is an important tool for biomedical imaging since it improves image quality by rejecting background signals. However,…

Following the standardization and deployment of fifth generation (5G) network, researchers have shifted their focus to beyond 5G communication. Existing technologies have brought forth a plethora of applications that could not have been…

信号处理 · 电气工程与系统科学 2020-06-12 Jalil ur Rehman Kazim , Tie Jun Cui , Ahmed Zoha , Lianlin Li , Syed Aziz Shah , Akram Alomainy , Muhammad Ali Imran , Qammer H. Abbasi

We offer a platform for database consultations and/or biomedical images exchanges, adapted to the low rate wireless transmission, and intended for general practitioners or specialists. The goal can be preventive, diagnostic and therapeutic.…

网络与互联网体系结构 · 计算机科学 2008-12-18 Jackson Francomme , Gilles Mercier , Sabri Chebira

This paper provides a summary of available technologies required for implementing indoor laser-based wireless networks capable of achieving aggregate data-rates of terabits per second as widely accepted as a sixth generation (6G) key…

The Holographic Interference Surface (HIS) opens up a new prospect for building a more cost-effective wireless communication architecture by performing Radio Frequency (RF) domain signal processing. In this paper, we establish a wideband…

信号处理 · 电气工程与系统科学 2025-09-30 Jindiao Huang , Haifan Yin

WiFi-based indoor positioning has been extensively studied. A fundamental issue in such solutions is the collection of WiFi fingerprints. However, due to real-world constraints, collecting complete fingerprints at all intended locations is…

信号处理 · 电气工程与系统科学 2024-07-30 Yu Chan , Pin-Yu Lin , Yu-Yun Tseng , Jen-Jee Chen , Yu-Chee Tseng

In this paper, we propose a new technique for the future fifth generation cellular network wireless backhauling. We show that hundreds of bits per second per Hertz (bits per second per Hz) of spectral efficiency can be attained at a high…

Ambient RF (Radio Frequency) energy harvesting technique has recently been proposed as a potential solution to provide proactive energy replenishment for wireless devices. This paper aims to analyze the performance of a battery-free…

网络与互联网体系结构 · 计算机科学 2016-11-17 Ian Flint , Xiao Lu , Nicolas Privault , Dusit Niyato , Ping Wang

Precise indoor localization is an increasingly demanding requirement for various emerging applications, like Virtual/Augmented reality and personalized advertising. Current indoor environments are equipped with pluralities of WiFi access…

信号处理 · 电气工程与系统科学 2019-11-21 Chenlu Xiang , Shunqing Zhang , Shugong Xu , Xiaojing Chen , George C. Alexandropoulos , Vincent K. N. Lau

This manuscript presents an ultra-wideband Microstrip multiple-input-multiple-output (MIMO) antenna covering the 2.4GHz to 6.5 GHz wireless local networks (WLAN) and Sub-6G bands. The applied MIMO antenna is composed of two symmetrical…

系统与控制 · 电气工程与系统科学 2023-03-02 Adel Omrani

This paper presents the study and the realization of a hybrid 60 GHz wireless communications system. As the 60 GHz radio link operates only in a single-room configuration, an additional Radio over Fibre (RoF) link is used to ensure the…

网络与互联网体系结构 · 计算机科学 2009-11-06 Lahatra Rakotondrainibe , Yvan Kokar , Gheorghe Zaharia , Ghaïs El Zein , Eric Tnaguy , Li Hongwu , Benoit Charbonier

With the rapid development of microwave photonics, which has expanded to numerous applications of commercial importance, eliminating the emerging bottlenecks becomes of vital importance. For example, as the main branch of microwave…

量子物理 · 物理学 2022-01-31 Yaqing Jin , Ye Yang , Huibo Hong , Xiao Xiang , Runai Quan , Tao Liu , Shougang Zhang , Ninghua Zhu , Ming Li , Ruifang Dong

We present for the first time an experimental demonstration on the energy allocation of commodity Wi-Fi signals in a programmable and inexpensive way. To that end, we design an electronically-programmable phase-binary coding metasurface,…

应用物理 · 物理学 2019-10-17 Ya Shuang , Hanting Zhao , Menglin Wei , Haoyang Li , Lianlin Li

To design semiconductor-based optical devices, the optical properties of the used semiconductor materials must be precisely measured over a large band. Transmission spectroscopy stands out as an inexpensive and widely available method for…

Wireless networks can be self-sustaining by harvesting energy from ambient radio-frequency (RF) signals. Recently, researchers have made progress on designing efficient circuits and devices for RF energy harvesting suitable for low-power…

网络与互联网体系结构 · 计算机科学 2016-11-15 Seunghyun Lee , Rui Zhang , Kaibin Huang

Wireless power transfer (WPT) technologies are becoming ubiquitous, but unlike wire technologies, they do not allow efficient energy transfer through barely transparent barriers. The proposed solutions to this issue rely on resonantly…

光学 · 物理学 2019-09-16 Alex Krasnok

This paper considers indoor localization using multi-modal wireless signals including Wi-Fi, inertial measurement unit (IMU), and ultra-wideband (UWB). By formulating the localization as a multi-modal sequence regression problem, a…

信号处理 · 电气工程与系统科学 2022-03-03 Jianyuan Yu , Pu , Wang , Toshiaki Koike-Akino , Philip V. Orlik

Wireless Power Transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, Radio Frequency identification (RFID) networks, etc. Although there has been some progress…

信息论 · 计算机科学 2017-10-11 Yang Huang , Bruno Clerckx