Showing 101 - 120 results of 369 for search '"wireless communications"', query time: 0.06s Refine Results
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    Demonstration of a Hybrid B5G System Integrating VLC and RF-Based Technologies with Access Networks by Tomás Powell Villena Andrade, Celso Henrique de Souza Lopes, Letícia Carneiro de Souza, Arismar Cerqueira Sodré Junior

    Published 2025-01-01
    “…Visible-light communication (VLC) has emerged as a promising technology to provide the very high-throughput wireless communications demanded by beyond-fifth-generation (B5G) applications. …”
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    Dual-channel near-field holographic MIMO communications based on programmable digital coding metasurface and electromagnetic theory by Rui Wen Shao, Jun Wei Wu, Jiachen Li, Shengguo Meng, Yifan Xu, Zheng Xing Wang, Wankai Tang, Qiang Cheng, Shi Jin, Tie Jun Cui

    Published 2025-01-01
    “…Abstract Holographic multiple-input multiple-output (MIMO) method leverages spatial diversity to enhance the performance of wireless communications and is expected to be a key technology enabling for high-speed data services in the forthcoming sixth generation (6G) networks. …”
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    Exploiting social reciprocity for auction-based spectrum allocation in femtocell networks by Feng Zhao, Haibo Tang, Hongbin Chen

    Published 2017-06-01
    “…With the explosive demand for wireless communications, users are always experiencing poor quality-of-services. …”
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    An Anonymous Routing Protocol with Authenticated Key Establishment in Wireless Ad Hoc Networks by Wei Yuan

    Published 2014-01-01
    “…Anonymity is an important concern in wireless communications. Most anonymous routing protocols in ad hoc networks usually assume that a shared secret exists between the sender and the receiver. …”
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    Article
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    A Comprehensive Review of Direction-of-Arrival Estimation and Localization Approaches in Mixed-Field Sources Scenario by Amir Masoud Molaei, Bijan Zakeri, Seyed Mehdi Hosseini Andargoli, Muhammad Ali Babar Abbasi, Vincent Fusco, Okan Yurduseven

    Published 2024-01-01
    “…This multifaceted and evolving area holds promise for addressing challenges in radar, wireless communications, and acoustic sensing applications. …”
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    Article
  15. 115

    Maximizing the Rate of IRS-Assisted Downlink NOMA Systems by Xinying Li, Haixia Wei, Haiyan Huang, Cuiran Li, Lijun Zhang

    Published 2022-01-01
    “…Nonorthogonal multiple access (NOMA) techniques and intelligent reflecting surface (IRS) are being explored as potential essential technologies for future wireless communications. Accordingly, this paper provides a network framework for IRS-aided downlink NOMA transmission, in which IRS is employed to improve the NOMA system’s transmission performance, and optimization problems are raised to maximize the achievable rate. …”
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  16. 116

    Design and Development of Biosensors for the Detection of Heavy Metal Toxicity by Graziella L. Turdean

    Published 2011-01-01
    “…In this context, is explainable why bioelectronics, nanotechnology, miniaturization, and bioengineering will compete for developing sensitive and selective biosensors able to determine multiple analytes simultaneously and/or integrated in wireless communications systems.…”
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  17. 117

    A High Gain Omnidirectional Antenna Using Negative Permeability Metamaterial by Hangfei Tang, Quanwen Hou, Yahong Liu, Xiaopeng Zhao

    Published 2013-01-01
    “…The experimental results show that the gain of a center-fed circular ENG ZOR antenna with NPM substrate is enhanced about 2.2 dB, and the efficiency is enhanced about 38%, in the whole broad operating bandwidth as compared to that of the antenna without NPM substrate, which can be used to improve the reliability of wireless communications.…”
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  18. 118

    A Novel Mining Approach for Data Analysis and Processing Using Unmanned Aerial Vehicles by Ali Alenezi, Ahmad Sawalmeh, Hazim Shakhatreh, Muhannad Almutiry, Nasser Aedh Alreshidi

    Published 2022-01-01
    “…Usually, these missions are performed in remote areas that do not have a wireless communications infrastructure. This paper proposes to use the unmanned aerial vehicle (UAV) as a relay communication node between the exploration team and the ground control station (GCs). …”
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  19. 119

    Analyzing the components and applications of wireless sensor network: a concise study by Lu Fan

    Published 2022-06-01
    “…Wireless Sensor Networks (WSNs) consist of small nodes with identifying component by sensing, computation, and wireless communications infrastructure capabilities. The path searching means routing, power management, and data dissemination protocols have been specifically designed for WSNs where energy awareness is an essential design issue. …”
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    An Efficient Key Management Scheme for Wireless Sensor Networks by Dahai Du, Huagang Xiong, Hailiang Wang

    Published 2012-01-01
    “…Due to the inherent characteristics of wireless communications, WSNs are more vulnerable to be attacked than conventional networks. …”
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