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Sepideh Hassani, Chih-Hung Chen and Natalia K. Nikolova
This paper addresses the design of ultra-wideband (UWB) impedance matching networks operating in the unlicensed 3.1?10.6 GHz frequency band for low-power applications. It improves the simplified real frequency technique (SRFT) by adding a realizability c...
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Maciej Piechowiak, Piotr Zwierzykowski and Bartosz Musznicki
The planning of metering network infrastructure based on the concept of the Internet of Things primarily involves the choice of available radio technology. Then, regardless of the type and availability of power sources, energy conservation should be one ...
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Gerardo Hernández-Oregón, Mario E. Rivero-Angeles, Juan C. Chimal-Eguía and Jorge E. Coyac-Torres
Peer-to-Peer (P2P) networks have emerged as potential solutions to issues that cause inefficient download times in networks because they can use the resources in the entire network, allowing nodes to act both as servers and clients simultaneously. Common...
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Rehna Batool, Nargis Bibi, Nazeer Muhammad and Samah Alhazmi
Cognitive Radio Network (CRN) is an emerging technology used to solve spectrum shortage problems in wireless communications. In CRN, unlicensed secondary users (SUs) and licensed primary users (PUs) use spectrum resources at the same time by avoiding any...
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Yirui Jiang, Hongwei Li, Binbin Feng, Zekang Wu, Shan Zhao and Zhaohui Wang
A series of urban law enforcement events involving city inspectors dispatched by the city management department can reflect some problems in smart city management, such as illegal advertising and unlicensed street operation. In this paper, we propose a m...
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Qiuqi Han, Guangyuan Zheng and Chen Xu
Device-to-Device (D2D) communications, which enable direct communication between nearby user devices over the licensed spectrum, have been considered a key technique to improve spectral efficiency and system throughput in cellular networks (CNs). However...
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Ghadah Aldabbagh, Nikos Dimitriou, Samar Alkhuraiji and Omaimah Bamasag
This paper focuses on the study of IoT network deployments, in both unlicensed and licensed bands, considering LoRaWAN and NB-IoT standards, respectively. The objective is to develop a comprehensive and detailed network planning and coverage dimensioning...
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Daniel Jaramillo-Ramirez and Manuel Perez
The evolution of IoT has come with the challenge of connecting not only a massive number of devices, but also providing an always wider variety of services. In the next few years, a big increase in the number of connected devices is expected, together wi...
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Antonio Oliveira-Jr, Kleber Cardoso, Filipe Sousa and Waldir Moreira
Industry 4.0 and digital farming rely on modern communication and computation technologies such as the Internet of Things (IoT) to provide smart manufacturing and farming systems. Having in mind a scenario with a high number of heterogeneous connected de...
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Asfund Ausaf, Mohammad Zubair Khan, Muhammad Awais Javed and Ali Kashif Bashir
Internet of Things (IoT)-based devices consist of wireless sensor nodes that are battery-powered; thus, energy efficiency is a major issue. IEEE 802.15.4-compliant IoT devices operate in the unlicensed Industrial, Scientific, and Medical (ISM) band of 2....
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