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The integration of LoRaWAN (Long Range Wide Area Network) technology with both active and passive sensors presents a transformative opportunity for the development of smart home systems. This paper explores how active sensors, such as…

Emerging Technologies · Computer Science 2024-10-29 Ramakant Kumar

Several situations exist where a geographic region of some size needs to be scanned or monitored through many sensors. Still, it is either absolutely impossible or prohibitively expensive to deploy and maintain wireless communication…

Networking and Internet Architecture · Computer Science 2021-01-07 Bruno Olivieri , Marcelo Paulon , Markus Endler

The sixth-generation (6G) wireless systems are expected to adopt extremely large aperture arrays (ELAAs), novel antenna architectures, and operate in extremely high-frequency bands to meet growing data demands. ELAAs significantly increase…

Signal Processing · Electrical Eng. & Systems 2026-03-30 Wen-Xuan Long , Shengyu Ye , Marco Moretti , Michele Morelli , Luca Sanguinetti , Rui Chen , Cheng-Xiang Wang

This paper presents a study conducted to allow urban farmers to remotely monitor their farm through the design and development of an Internet of Things-based (IoT) microfarm prototype which utilized wick system as planting method. The…

Computers and Society · Computer Science 2019-11-05 R. Jorda, , C. Alcabasa , A. Buhay , E. C. Dela Cruz , J. P. Mendoza , A. Tolentino , L. K. Tolentino , E. Fernandez , A. Thio-ac , J. Velasco , N. Arago

Understanding multi-node vehicular wireless communication channels is crucial for future time-sensitive safety applications for human-piloted as well as partly autonomous vehicles on roads, railways and in the air. These highly dynamic…

Signal Processing · Electrical Eng. & Systems 2021-07-08 Stefan Zelenbaba , Benjamin Rainer , Markus Hofer , David Löschenbrand , Laura Bernadó , Anja Dakić , Thomas Zemen

The metrology field has been progressed with the appearance of the wireless intelligent sensor systems providing more capabilities such as signal processing, remote multi-sensing fusion etc. This kind of devices is rapidly making their way…

Networking and Internet Architecture · Computer Science 2014-09-26 Saad Chakkor , El Ahmadi Cheikh , Mostafa Baghouri , Abderrahmane Hajraoui

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

The terahertz band offers promising opportunities for high-capacity wireless communications but faces significant challenges from vegetation-induced channel impairments. This article presents a comprehensive investigation of THz channel…

This paper suggests the use of intelligent network-aware processing agents in wireless local area network drivers to generate metrics for bandwidth estimation based on real-time channel statistics to enable wireless multimedia application…

Networking and Internet Architecture · Computer Science 2016-11-18 Dilip Krishnaswamy , Shanyu Zhao

The problem of environmental monitoring using a wireless network of chemical sensors with a limited energy supply is considered. Since the conventional chemical sensors in active mode consume vast amounts of energy, an optimisation problem…

Social and Information Networks · Computer Science 2011-11-07 Alex Skvortsov , Branko Ristic

Ensuring the precision of channel modeling plays a pivotal role in the development of wireless communication systems, and this requirement remains a persistent challenge within the realm of networks supported by Reconfigurable Intelligent…

TV white spaces refer to the allocated but locally unused TV spectrum and can be used by unlicensed devices as secondary users. Thanks to their lower frequencies (e.g., 54 -- 698 MHz in the US), communication over the TV spectrum has…

Networking and Internet Architecture · Computer Science 2019-08-06 Mahbubur Rahman , Abusayeed Saifullah

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

Networking and Internet Architecture · Computer Science 2020-07-14 Jeongsik Choi

Predicting the behavior of a wireless link in terms of, e.g., the frame delivery ratio, is a critical task for optimizing the performance of wireless industrial communication systems. This is because industrial applications are typically…

Networking and Internet Architecture · Computer Science 2024-11-19 Gabriele Formis , Stefano Scanzio , Lukasz Wisniewski , Gianluca Cena

This paper quantifies the significance and magnitude of the effect of measurement error in remote sensing weather data in the analysis of smallholder agricultural productivity. The analysis leverages 17 rounds of nationally-representative,…

General Economics · Economics 2021-10-06 Jeffrey D. Michler , Anna Josephson , Talip Kilic , Siobhan Murray

Temporal drift of low-cost sensors is crucial for the applicability of wireless sensor networks (WSN) to measure highly local phenomenon such as air quality. The emergence of wireless sensor networks in locations without available reference…

Networking and Internet Architecture · Computer Science 2021-11-19 Tiago Veiga , Erling Ljunggren , Kerstin Bach , Sigmund Akselsen

Since decades ago, multi-antenna has become a key enabling technology in the evolution of wireless communication systems. In contrast to conventional multi-antenna systems that contain antennas at fixed positions, position-flexible antenna…

Information Theory · Computer Science 2024-09-06 Yiqin Wang , Heyin Shen , Chong Han , Meixia Tao

This chapter is motivated by the need for a rigorous and comprehensive analysis of the Doppler effects encountered by electromagnetic and acoustic signals across a diverse spectrum of modern applications. These include land mobile…

Signal Processing · Electrical Eng. & Systems 2026-02-11 Lie-Liang Yang

Wireless sensor networks are an important technology for making distributed autonomous measures in hostile or inaccessible environments. Among the challenges they pose, the way data travel among them is a relevant issue since their…

Data Analysis, Statistics and Probability · Physics 2013-08-15 Raquel S. Cabral , Andre L. L. Aquino , Alejandro C. Frery , Osvaldo A. Rosso , Jaime A. Ramírez

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} >>…

Networking and Internet Architecture · Computer Science 2009-03-14 Manoj K. Panda , Anurag Kumar