Showing 281 - 300 results of 369 for search '"wireless communications"', query time: 0.05s Refine Results
  1. 281

    Reconfigurable Intelligent Surfaces Between the Reality and Imagination by Asst. Prof. Haider ALRikabi, Adheed Sallomi, Hasan Khazaal, Ahmed Magdy, Iryna Svyd, IVAN OBOD

    Published 2024-06-01
    “… One interesting idea that could improve wireless communication systems is reconfigurable intelligent surfaces or RIS. …”
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    Article
  2. 282

    Circularly polarized dual-band resonance in a miniaturized implantable antenna using combined hexagonal and rhombic patches by Shanmugam Kumaravel, Madurakavi Karthikeyan

    Published 2025-01-01
    “…The design represents a significant advancement in the field of medical implant technology since it prioritizes effective wireless communication capabilities while upholding strict safety regulations.…”
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    Article
  3. 283

    Impedance Analysis and Optimization of Self-Powered Interface Circuit for Wireless Sensor Nodes Application by Yuan Dong, Dezhi Li, Benjamin Ducharne, Xiaohui Wang, Jun Gao, Bin Zhang

    Published 2018-01-01
    “…In this paper, a self-powered WSN node scenario is proposed and realized by coupling the electric charge extraction interface circuit, power management module, and wireless communication module. Firstly, the output power of an optimized self-powered energy extraction circuit is compared with different energy extraction circuits under various loads and excitation amplitudes theoretically. …”
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    Article
  4. 284

    Low-Power Wake-Up Receivers for Resilient Cellular Internet of Things by Siyu Wang, Trevor J. Odelberg, Peter W. Crary, Mason P. Obery, David D. Wentzloff

    Published 2025-01-01
    “…In these networks, wireless communication dominates power consumption, motivating research on energy-efficient yet resilient and robust wireless systems. …”
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    Article
  5. 285
  6. 286

    Tighter bounds on the Gaussian Q-function based on wild horse optimization algorithm by Reza Etesami, Mohsen Madadi

    Published 2025-01-01
    “…The Gaussian Q-function (GQF) is widely used in various scientific and engineering fields, especially in telecommunications and wireless communication. However, the lack of a closed-form expression for this function has led to considerable research efforts to achieve more accurate approximations. …”
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    Article
  7. 287

    An Efficient Cluster Authentication Scheme Based on VANET Environment in M2M Application by You-Boo Jeon, Keun-Ho Lee, Doo-Soon Park, Chang-Sung Jeong

    Published 2013-11-01
    “…Intelligent vehicle section shows severe changes in position between vehicles and has numerous large scales of networks in its components; therefore, it is required to provide safety by exchanging information between vehicles equipped with wireless communication function via VANET (vehicular ad hoc network) and fixed apparatus at roadside regarding the status of road. …”
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    Article
  8. 288

    Experimental Results of Novel DoA Estimation Algorithms for Compact Reconfigurable Antennas by Henna Paaso, Aki Hakkarainen, Nikhil Gulati, Damiano Patron, Kapil R. Dandekar, Mikko Valkama, Aarne Mämmelä

    Published 2017-01-01
    “…In summary, the APPR and MUSIC algorithms for DoA estimation along with the planar and compact LWA layout can be a valuable solution to enhance the performance of the wireless communication in the next generation systems.…”
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    Article
  9. 289

    Analysis and optimization of energy harvesting characteristics of converter valve magnetic field self-powered harvester by WANG Wei, SU Wenbo, XU Chenjin, WU Yuwei, SHI Yuchen

    Published 2025-01-01
    “…The chip-based energy harvesting device designed in this paper can drive the sensor stably across a wide range of current fluctuations and realize long-distance wireless communication. At the same time, it can meet the needs of long-term maintenance-free detection of power equipment in narrow and high temperature space such as converter stations.…”
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    Article
  10. 290

    The Effects of Multipath on the Performance of High Rate Digital QAM and OFDM Wireless Link Operating in Tunnels by Yehuda Taragin, Niv Elkayam, Gad A. Pinhasi, Yosef Pinhasi

    Published 2025-01-01
    “…Wide-band wireless communication in tunnels and long corridors faces challenges due to multipath interferences and delay spread. …”
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    Article
  11. 291

    Design Study for a Quasisynchronous CDMA Sensor Data Collection System: An LEO Satellite Uplink Access Technique Based on GPS by Yijun Chen, Sheng Ding, Zhouchen Xie, Zhuangping Qi, Xuwen Liang

    Published 2015-09-01
    “…With the development of the LEO satellite communication technology, highly dependable wireless communication and sensor data collection using LEO satellites have been getting much attention for emergency, marine research, and forest fire disaster in the remote region. …”
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    Article
  12. 292

    Performance analysis of insertion loss incorporated hybrid precoding for massive MIMO by Tadele A. Abose, Thomas O. Olwal, Muna M. Mohammed, Murad R. Hassen

    Published 2024-04-01
    “…Due to an increase in the number of users and a high demand for high data rates, researchers have resorted to boosting the capacity and spectral efficiency of the next-generation wireless communication. With a limited RF chain, hybrid analog digital precoding is an appealing alternative. …”
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    Article
  13. 293

    A Testing Framework for Joint Communication and Sensing in Synthetic Aperture Radars by Alex Piccioni, Roberto Alesii, Fortunato Santucci, Fabio Graziosi

    Published 2025-01-01
    “…Nowadays the modern progress in wireless communication technologies is motivating the mutual integration of heterogeneous services, in particular enabling resource and hardware-saving in platform deployment. …”
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    Article
  14. 294

    Tripolarizated MIMO: Experimental Analysis and Modeling of Channel Properties in Both Indoor and Outdoor Scenarios by Pan Tang, Jianhua Zhang, Zuolong Ying, Yuxiang Zhang, Lei Tian, Zihang Qi, Xiuping Li

    Published 2021-01-01
    “…The tripolarized MIMO system can provide one more degree of freedom and have a more compacted size over a dual-polarized MIMO system, which is attractive for high-capacity wireless communication systems. In this paper, we analyze and model channel properties for tripolarized MIMO systems based on experimental channel measurements in typical indoor and outdoor scenarios. …”
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    Article
  15. 295

    IoT in Urban Traffic Prediction Development Case Studies and Future Trends by Wang Renhe

    Published 2025-01-01
    “…With the rise of wireless communication technology, vehicle GPS navigation systems began to appear, which can provide real-time traffic information and route planning. …”
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    Article
  16. 296

    Mathematical Modeling Methods and Their Application in the Analysis of Complex Signal Systems by Yanjun Li

    Published 2022-01-01
    “…Mathematical models are effective means of answers established by humans to solve real-world problems. Complex wireless communication can establish information interaction between vehicles, in order to reduce the delay time of the coordination control optimization timing scheme in coordination delay time. …”
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    Article
  17. 297

    Cognitive Wireless Networks Based Spectrum Sensing Strategies: A Comparative Analysis by Anandakumar Haldorai, Jeevanandham Sivaraj, Munivenkatappa Nagabushanam, Michaelraj Kingston Roberts

    Published 2022-01-01
    “…Recent advancements in wireless communication have resulted in increasing spectrum scarcity. …”
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    Article
  18. 298

    Evaluation of Selected Modulation Techniques in Underwater Multipath Channel by Agnieszka Czapiewska, Andrzej Luksza, Ryszard Studanski, Lukasz Wojewodka, Andrzej Zak

    Published 2025-01-01
    “…The modulation techniques mentioned are compared with MBFSK (Multiple Binary Frequency Shift Keying) modulation used in underwater wireless communication systems, which is said to be very resistant to the multipath effect. …”
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    Article
  19. 299

    Open-Source Telemedicine Platform for Wireless Medical Video Communication by A. Panayides, I. Eleftheriou, M. Pantziaris

    Published 2013-01-01
    “…An m-health system for real-time wireless communication of medical video based on open-source software is presented. …”
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    Article
  20. 300

    Development of Gas Safety Management System for Smart-Home Services by Gyoutae Park, Geunjun Lyu, Youngdo Jo, Jaheon Gu, Jongbu Eun, Hiesik Kim

    Published 2013-10-01
    “…We propose a system for improving gas safety management through the use of wireless communication modules and intelligent gas safety appliances. …”
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    Article