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This work presents an experimental study of Single Input Multiple Output (SIMO) channel performance in indoor radio propagation environment. Indoor channel measurements at 2.4 GHz ISM frequency band have been performed using a versatile…

Signal Processing · Electrical Eng. & Systems 2017-09-20 Constantinos I. Votis , Vasilis Christofilakis , Panos Kostarakis

This paper present our new intensity chromaticity space-based feature detection and matching algorithm. This approach utilizes hybridization of wireless local area network and camera internal sensor which to receive signal strength from a…

Computer Vision and Pattern Recognition · Computer Science 2012-04-12 Wan Mohd Yaakob Wan Bejuri , Mohd Murtadha Mohamad , Maimunah Sapri , Mohd Adly Rosly

In indoor areas such as homes and offices, high throughput communication for multiple devices is quickly becoming a necessity. Even though an access point (AP) mounted with an omni-directional antenna can cover a whole room, it cannot…

Networking and Internet Architecture · Computer Science 2020-03-05 Wei Sun

Microwave photonic (MWP) signal processors, which process microwave signals based on pho-tonic technologies, bring advantages intrinsic to photonics such as low loss, large processing bandwidth, and strong immunity to electromagnetic…

Optics · Physics 2024-03-21 David J. Moss

We present a detailed theoretical analysis on image transmission via a single multimode fiber (MMF). A single MMF imaging model is developed to study the light wave propagation from the light source to the camera, by using free-space…

Optics · Physics 2016-07-28 Chen Liu , Liang Deng , Deming Liu , Lei Su

We address the radio frequency (RF) cavity experiment for probing dark photons, which is a modification of the light-shining-through-thin-wall (LSthinW) setup with a relatively thin conducting barrier between cylindrical emitter and hollow…

High Energy Physics - Phenomenology · Physics 2025-05-27 Dmitry Salnikov , Petr Satunin , Leysan Valeeva , D. V. Kirpichnikov

In this letter, some applications of wireless communication systems over $\alpha-\eta-\kappa-\mu$ fading channels are analysed. More specifically, the effective rate and the average of both the detection probability and area under the…

Information Theory · Computer Science 2019-09-17 Hussien Al-Hmood , H. S. Al-Raweshidy

Wireless signal strength based localization can enable robust localization for robots using inexpensive sensors. For this, a location-to-signal-strength map has to be learned for each access point in the environment. Due to the ubiquity of…

Signal Processing · Electrical Eng. & Systems 2020-10-30 Renato Miyagusuku , Koichi Ozaki

Contactless sensing using wireless communication signals has garnered significant attention due to its non-intrusive nature and ubiquitous infrastructure. Despite the promise, the inherent bistatic deployment of wireless communication…

Information Theory · Computer Science 2026-03-10 Wenwei Li , Jiarun Zhou , Qinxiao Quan , Fusang Zhang , Daqing Zhang

As two major players in terrestrial wireless communications, Wi-Fi systems and cellular networks have different origins and have largely evolved separately. Motivated by the exponentially increasing wireless data demand, cellular networks…

Information Theory · Computer Science 2016-11-18 Haijun Zhang , Xiaoli Chu , Weisi Guo , Siyi Wang

A setup to frequency-convert an arbitrary image encoded in the spatial profile of a probe field onto a signal field using four-wave mixing in a thermal atom vapor is proposed. The atomic motion is exploited to cancel diffraction of both…

Quantum Physics · Physics 2015-06-17 L. Zhang , J. Evers

Evanescent wave amplification is observed, for the first time to our knowledge, inside a half-wavelength-thick wire medium slab used for subwavelength imaging. The wire medium is analyzed using both a spatially dispersive finite-difference…

Other Condensed Matter · Physics 2015-05-13 Yan Zhao , Pavel A. Belov , Yang Hao

This paper presents an analytical model of power consumption for In-Band Full-Duplex (IBFD) Wireless Local-Area Networks (WLANs). Energy-efficiency is compared for both Half-Duplex (HD) and IBFD networks. The presented analytical model…

Networking and Internet Architecture · Computer Science 2020-06-22 Murad Murad , Ahmed M. Eltawil

One of the critical challenges of operating with the terahertz or millimeter-wave wireless networks is the necessity of at least a strong non-line-of-sight (NLoS) reflected path to form a stable link. Recent studies have shown that an…

Signal Processing · Electrical Eng. & Systems 2022-03-16 Chethan K. Anjinappa , Ashwini P. Ganesh , Ozgur Ozdemir , Kris Ridenour , Wahab Khawaja , Ismail Guvenc , Hiroyuki Nomoto , Yasuaki Ide

The idea of ultra-wideband (UWB) communications for short ranges (up to a few tens of meters) has been around for nearly three decades. However, despite significant efforts by the industry, UWB deployment has not yet reached its predicted…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Brian Nelson , Hussein Moradi , Behrouz Farhang-Boroujeny

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…

Information Theory · Computer Science 2016-11-26 Ian Flint , Xiao Lu , Nicolas Privault , Dusit Niyato , Ping Wang

To tackle the rapidly growing number of mobile devices and their expanding demands for Internet services, network convergence is envisaged to integrate different technology domains. A recently proposed and promising approach to indoor…

Information Theory · Computer Science 2020-01-15 Xiping Wu , Mohammad Dehghani Soltani , Lai Zhou , Majid Safari , Harald Haas

WLAN devices have become a fundamental component of nowadays network deployments. However, even though traditional networking applications run mostly unchanged over wireless links, the actual interaction between these applications and the…

Networking and Internet Architecture · Computer Science 2009-02-04 Marc Portoles-Comeras , Albert Cabellos-Aparicio , Josep Mangues-Bafalluy , Jordi Domingo-Pascual

The importance and relevance of digital image forensics has attracted researchers to establish different techniques for creating as well as detecting forgeries. The core category in passive image forgery is copy-move image forgery that…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Tanzila Qazi , Mushtaq Ali , Khizar Hayat

With the popularity of commercial wireless devices, the research based on RF signal has developed rapidly in the past decade. RF signals have great advantages in environmental perception. Wireless signals are transmitted through the…

Networking and Internet Architecture · Computer Science 2022-03-24 Jiaren Xiao