Showing 601 - 620 results of 644 for search '"wireless communication"', query time: 0.06s Refine Results
  1. 601

    Design of Interference-Resilient Medium Access for High Throughput WLANs by Luca Reggiani, Andrea Gola, Gian Mario Maggio, Gianluigi Tiberi

    Published 2015-10-01
    “…The proliferation of wireless communications systems poses new challenges in terms of coexistence between heterogeneous devices operating within the same frequency bands. …”
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    Article
  2. 602

    Blind Channel Estimation Based on Multilevel Lloyd-Max Iteration for Nonconstant Modulus Constellations by Xiaotian Li, Jing Lei, Wei Liu, Erbao Li, Yanbin Li

    Published 2014-01-01
    “…In wireless communications, knowledge of channel coefficients is required for coherent demodulation. …”
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    Article
  3. 603

    The Effectiveness of Hybrid Beamforming in Enhancing the Performance of NOMA-mmWave and Massive MIMO Systems by Oubassghir Mourtada, Boulouird Mohamed

    Published 2024-01-01
    “…This integration boosts both spectral efficiency (SE) and energy efficiency (EE), ensuring more reliable, faster, and energy-efficient communication systems for wireless communications, including 5G and beyond. This study aims to examine the performance of this integration in terms of SE and EE by employing a system model featuring a single base station equipped with multiple antennas that generate distinct beams serving multiple users using max-min fairness power allocation. …”
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    Article
  4. 604

    Real-Time Communications in Large-Scale Wireless Networks by Liang Song, Dimitrios Hatzinakos

    Published 2008-01-01
    “…There is an emerging need for realizing real-time quality of service (QoS) over multihop wireless communications in large-scale wireless networks. …”
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    Article
  5. 605
  6. 606

    Measurement of Rank and Other Properties of Direct and Scattered Signals by Svante Björklund, Per Grahn, Anders Nelander, Mats I. Pettersson

    Published 2016-01-01
    “…The signal rank is important also in many other applications, for example, DOA (Direction of Arrival) estimation, estimation of the number of and location of transmitters in electronic warfare, and increasing the capacity in wireless communications. In real radar applications, such measurements can be very expensive, for example, involving airborne radars with array antennas. …”
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    Article
  7. 607

    Optimal Positioning of Unmanned Aerial Vehicle (UAV) Base Stations Using Mixed-Integer Linear Programming by Gowtham Raj Veeraswamy Premkumar, Bryan Van Scoy

    Published 2025-01-01
    “…In wireless communications, traditional base stations act as the backbone for providing network connectivity to users. …”
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    Article
  8. 608

    Toward More Efficient and More Secure Last Mile Smart Metering and Smart Lighting Communication Systems with the Use of PLC/RF Hybrid Technology by Piotr Kiedrowski

    Published 2015-10-01
    “…The communications are realized with the use of the narrowband power line communications technique, the low power wireless communications technique, and the combination of them. …”
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    Article
  9. 609

    Climatological Investigation of Ionospheric Es Layer Based on Occultation Data by Haibing Ruan, Xiuwen Qiu, Xin Guo, Xiangxue Wang, Xin Zhang

    Published 2025-01-01
    “…Sporadic E (Es) layers are irregular structures that occur at the E-layer height of the ionosphere, significantly affecting the reliability and accuracy of wireless communications, navigation, and satellite remote sensing. …”
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    Article
  10. 610

    PSFCS: Robust Emergency Communications Supporting High Mobility Based on WiMAX MMR Networks by Wen-Kang Jia, Chia-Yao Chen, Yaw-Chung Chen

    Published 2014-04-01
    “…Nowadays public safety networks are widely deployed to support highly reliable wireless communications in case of emergency. The adoption of standardized systems such as WiMAX for emergency communications represents a significant advance in the off-the-shelf technologies for error detection and error correction. …”
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    Article
  11. 611

    Precoding Based Interference Suppression for Heterogeneous Multi-Tiered Network by Pinyi Ren, Qinghe Du, Pinyi Sun, Datong Xu

    Published 2013-06-01
    “…The coexistence of conventional marcro cells and lowpower small cells form the heterogeneous multi-tiered networks, which can significantly improve the capacity of wireless communications systems. However, the interferences between the marco cells and small cells due to sharing the same frequency band severely degrade the quality of communications and prevent the system capacity from being further enhanced. …”
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    Article
  12. 612

    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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    Article
  13. 613

    Deep learning–based resource allocation for secure transmission in a non-orthogonal multiple access network by Miao Zhang, Yao Zhang, Qian Cen, Shixun Wu

    Published 2022-06-01
    “…Machine learning techniques, especially deep learning algorithms have been widely utilized to deal with different kinds of research problems in wireless communications. In this article, we investigate the secrecy rate maximization problem in a non-orthogonal multiple access network based on deep learning approach. …”
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    Article
  14. 614

    Modeling and Analysis of Silicon Reflective-type Microring Resonator Assisted MZI as Filtering Device by Esraa El-edresee, Alhuda A. Al-mfrji

    Published 2024-12-01
    “…Overall, the structure represents a significant step towards designing the MPFs, which show perfect flexibility and have numerous applications in such fields as radar, sensor, and wireless communications. …”
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    Article
  15. 615

    Quantum Speedup of the Dispersion and Codebook Design Problems by Kein Yukiyoshi, Taku Mikuriya, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Naoki Ishikawa

    Published 2024-01-01
    “…Dispersion problems are combinatorial optimization problems classified as NP-hard, which appear often in coding theory and wireless communications applications involving optimal codebook design. …”
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    Article
  16. 616

    Quorum Systems towards an Asynchronous Communication in Cognitive Radio Networks by Sylwia Romaszko, Petri Mähönen

    Published 2012-01-01
    “…Recently, quorum systems have been also started to be applied to wireless communications. The objective of this paper is threefold. …”
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    Article
  17. 617

    A New Fractal-Based Miniaturized Dual Band Patch Antenna for RF Energy Harvesting by Sika Shrestha, Seong Ro Lee, Dong-You Choi

    Published 2014-01-01
    “…The growth of wireless communications in recent years has made it necessary to develop compact, lightweight multiband antennas. …”
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    Article
  18. 618

    Adaptable electro-optic detection of THz radiation using a laser-written bull’s-eye antenna by Hesam Heydarian, Xitong Xie, Aswin Vishnuradhan, Wei Cui, Arnaud Weck, Angela Gamouras, Jean-Michel Ménard

    Published 2025-01-01
    “…This work paves the way for future developments of compact and sensitive THz detectors, notably for applications in wireless communications.…”
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    Article
  19. 619

    Critical thinking and suggestions on C-V2X with the developments of intelligent connected vehicles by Shanzhi CHEN

    Published 2022-07-01
    “…C-V2X (cellular vehicle-to-everything) is the international standards dominated by China’s enterprises for V2X wireless communications.Based on a brief review of C-V2X, it was indicated that C-V2X could provide capabilities such as low-latency and high-reliability for communications between vehicles and the surrounding traffic elements.C-V2X has demonstrated an obvious surpassing international technological trend and industrial competitions because of technical advantages.The related concepts of V2X, the relationship between 5G and C-V2X, the relationship between V2X and vehicle-infrastructure cooperation, the relationship between V2X and self-driving vehicles as well as the relationship between individual vehicle with intelligence and connected vehicles with cooperative intelligence, were clearly clarified.The insights about the development of C-V2X and intelligent connected vehicles (ICV) were presented.Facing the great strategic opportunities of global automobile industry revolution and China’s transportation industry reform, the innovative development mode of vehicle-infrastructure-cloud cooperation based on “5G+C-V2X” was proposed accordingly.Finally, the industrial progresses and problems were discussed with corresponding policy suggestions.…”
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    Article
  20. 620