Search Results - communication coverage

METHODS AND TOOLS FOR ASSESSING THE LEVEL OF NOISE IMMUNITY OF WIRELESS COMMUNICATION CHANNELS by Vladimir Knyazev, Bogdan Lazurenko, Aleksandr Serkov

“…Moreover, the efficiency of digital communication systems significantly increases due to the creation of an ensemble of complex signals through one-time encoding and modulation, which expands its information base, ensuring coverage and energy efficiency in a double symmetric channel. …”
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An Active RIS-Aided DFRC System for Improved Multi-User Communications by Ravi Patel, Aayush Singh, Keshav Singh, Shahid Mumtaz, Chih-Peng Li, Sudip Biswas

“…The rapid evolution towards sixth-generation (6G) communications necessitates substantial enhancements in data rates, latency, and spectrum efficiency. …”
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Next-Gen UAV-Satellite Communications: AI Innovations and Future Prospects by Sherief Hashima, Ahmad Gendia, Kohei Hatano, Osamu Muta, Mostafa S. Nada, Ehab Mahmoud Mohamed

“…At the heart of this transformative paradigm lies artificial intelligence (AI), which drives innovation across diverse sectors by enhancing decision-making autonomy, enabling real-time data processing, and optimizing network performance and coverage. This survey paper explores AI-enabled UAV-satellite communications for 6G applications, focusing on its challenges, potential, and future. …”
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Idioms in Russian Textbooks: How Many are Present and What Portion Undergoes Teaching? by Varvara Kurylova

“…The study also identified a notable disparity in idiom coverage, raising concerns about insufficient emphasis on idioms. …”
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Quantifying muskmelon fruit attributes with A-TEP-based model and machine vision measurement by Li-ying CHANG, San-peng HE, Qian LIU, Jia-lin XIANG, Dan-feng HUANG

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Lexicalisation in Media Reports of Recurrent Diphtheria Outbreak in Nigeria: Implications for Health Communication by O. E. Olawe

“…Linguistic studies on media coverage of pandemics and outbreaks in Nigeria, including the COVID-19 pandemic, Ebola, and Lassa fever, have been extensive. …”
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LR-FHSS Transceiver for Direct-to-Satellite IoT Communications: Design, Implementation, and Verification by Sooyeob Jung, Seongah Jeong, Jinkyu Kang, Gyeongrae Im, Sangjae Lee, Mi-Kyung Oh, Joon Gyu Ryu, Joonhyuk Kang

“…Lastly, we present proof-of-concept implementation and testbeds using an application-specific integrated circuit (ASIC) chipset and a field-programmable gate array (FPGA) that verify the performance of the proposed LR-FHSS transceiver design of DtS-IoT communication systems. The laboratory test results reveal that the proposed LR-FHSS-based framework with the robust synchronization technique can provide wide coverage, seamless connectivity, and high-throughput communication links for the realization of future satellite communication networks.…”
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Energy aware resource association in RIS assisted VLC-RF communication network. by Ashu Taneja, Ali Alqahtani, Nayef Alqahtani

“…Owing to the rapid surge in the number of intelligent devices and data-intensive applications, the demand for reliable communication support has increased. This has put an undue burden on the radio frequency (RF) based communication which suffers from the main challenge of limited spectrum and access congestion. …”
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Optimization of Transmission Power in a 3D UAV-Enabled Communication System by Jorge Carvajal-Rodríguez, David Vega-Sánchez, Christian Tipantuña, Luis Felipe Urquiza, Felipe Grijalva, Xavier Hesselbach

“…Unmanned Aerial Vehicles (UAVs) are increasingly used in the new generation of communication systems. They serve as access points, base stations, relays, and gateways to extend network coverage, enhance connectivity, or offer communications services in places lacking telecommunication infrastructure. …”
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Integrated VLC/RF With Adaptive Power Control for Reliable Cluster-Based VANET Communications by Ahmed M. El-Eraki, Nancy A. Alshaer, Mohamed M. Fouad, Azhar A. Hamdi, Tawfik Ismail

“…Both approaches are evaluated using realistic traffic simulations based on Simulation of Urban Mobility (SUMO) and OpenStreetMap (OSM) data, with a focus on energy efficiency and communication coverage. Simulation results show that DDPA outperforms DFPA in cases with cluster radii below 1159 m, reducing power consumption by up to 20% and serving 90% of vehicles. …”
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Key Technologies in Intelligent O&M System Construction for Urban Rail Transit Communication by WANG Xianlei

“…The multi-source heterogeneous data fusion and analysis technologies are applied to communication system fault diagnosis and prediction. …”
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Reinforcement Learning-Driven Secrecy Energy Efficiency Maximization in RIS-Enabled Communication Systems by Akram Y. Sarhan, Osamah A. Abdullah, Hayder Al-Hraishawi, Faisal S. Alsubaei

“…This study explores the use of physical layer security (PLS) to facilitate secure communications in RIS-assisted networks, tackling the important issues of safeguarding sensitive information while also addressing limited energy resources. …”
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An electromechanically reconfigurable intelligent surface for enhancing sub-6G wireless communication signal by Kai Qu, Ke Chen, Jianmin Zhao, Na Zhang, Qi Hu, Junming Zhao, Tian Jiang, Yijun Feng

“…Aiming at further reducing the fabrication cost and power consumption, herein an electromechanical RIS used for sub-6G wireless communication is proposed. The electromechanical RIS is designed with a passive metasurface and step-motor driver modules, providing simultaneous high-efficiency reflection (over 80%) and continuous reflection phase coverage of 360°. …”
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Knowledge mapping and trend identification in UAV-enabled hybrid FSO/RF communication systems by Kamran Ali Memon, Khalid H. Mohammadani, Abdul Ghaffar, Khurrum Karim Qureshi, Muhammad Mahmood Ali

“…UAV-based Hybrid FSO/RF Communication Networks (UHCNs) enable wireless networks with dynamic coverage and adaptability by combining Free Space Optics (FSO), Radio Frequency (RF), and Unmanned Aerial Vehicle (UAV) technologies, making them crucial for 6G. …”
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Context-Aware Beam Selection for IRS-Assisted mmWave V2I Communications by Ricardo Suarez del Valle, Abdulkadir Kose, Haeyoung Lee

“…Millimeter wave (mmWave) technology, with its ultra-high bandwidth and low latency, holds significant promise for vehicle-to-everything (V2X) communications. However, it faces challenges such as high propagation losses and limited coverage in dense urban vehicular environments. …”
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PCB-Based Dual-Polarized Liquid Crystal Reflectarray With High Aperture Efficiency and Bridge-Shaped Biasing Topology for 2D Scanning by Hogyeom Kim, Byeongju Moon, Seungwoo Bang, Seongwoog Oh, Jungsuek Oh

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Aerial RIS-aided physical layer security design for satellite communication among similar channels by Chengjun Jiang, Chensi Zhang, Leilei Mu, Zhe Zhang, Jianhua Ge

“…Satellite communications and reconfigurable intelligent surface (RIS) are considered as two promising technologies that can significantly improve the coverage and energy efficiency of future wireless communication networks. …”
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Mathematical modeling of aerodynamic behavior of antenna-mast structures when designing communication on railway transport by A. A. Loktev, V. V. Korolev, O. I. Poddaeva, K. D. Stepanov, I. Yu. Chernikov

“…Communication facilities exceeding 75 m are classified as particularly dangerous, technically complex communication facilities, and communication facilities exceeding 100 m, - as unique facilities. …”
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THE TO-BE TRANSLATORS’ TRAINING FOR CROSS-CULTURAL COMMUNICATION IN THE SPANISH-ITALIAN ENVIRONMENT THROUGH THE PRISM OF THE PHILOSOPHICAL SCIENCE by Taras Ye. Pysmenny

“…The article considers the issue of the to-be translators’ training for cross-cultural professional interaction using as an example the communication between representatives of Spanish and Italian cultures. …”
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Digital identity management system for mine hydraulic props based on dual-mode wireless communication by ZHANG Can, LU Liqun, GENG Wenpeng, FU Shanshan, XIE Xinyu

“…To adapt to the complex underground wireless environment, a dual-mode wireless communication method was proposed, intelligently switching between public WiFi and AP hotspots, effectively solving the problem of insufficient network coverage underground and ensuring reliable data transmission. …”
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