Showing 401 - 420 results of 644 for search '"wireless communication"', query time: 0.06s Refine Results
  1. 401

    Practical deployment of an in-field wireless sensor network in date palm orchard by Yuan Rao, Wenjun Xu, Jun Zhu, Zhaohui Jiang, Ruchuan Wang, Shaowen Li

    Published 2017-05-01
    “…Recent advances in agriculture-oriented sensors and wireless communication technologies offer great opportunities for the development and application of precision agriculture. …”
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    Article
  2. 402

    Power beacon-assisted energy harvesting symbiotic radio networks: Outage performance. by Tran Cong Hung, Bui Vu Minh, Tan N Nguyen, Miroslav Voznak

    Published 2025-01-01
    “…The evolution of next-generation Internet-of-Things (IoT) in recent years exhibits a unique segment that wireless communication paradigms are oriented towards not only improved spectral efficiency transmission but also energy efficiency. …”
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    Article
  3. 403

    Spectral efficiency and secrecy enhancing scheme for IRS-aided SWIPT systems by Jianfeng Xu, Pingping Shang

    Published 2025-01-01
    “…Abstract Simultaneous wireless information and power transfer (SWIPT) has emerged as a promising technology for enabling efficient and scalable wireless communication within large-scale Internet of Things (IoT) networks. …”
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    Article
  4. 404

    Optimization of Intelligent Management System for Crafts Production Based on Internet of Things by Xiaojiang Zhou, Keqi Li

    Published 2021-01-01
    “…The design and implementation of the system hardware are introduced by focusing on the functional circuits of various sensors of the data collection terminal, The functional circuit of the wireless communication module CC2530, the functional circuit of the microprocessor STM32, and the functional circuit of the collection terminal. …”
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    Article
  5. 405

    5G OFDM channel estimation method based on complex-valued generative adversarial network by LU Yuanzhi, WEI Xianglin, YU Long, YAO Changhua

    Published 2024-03-01
    “…Accurate channel estimation is a critical component in the design of 5G OFDM communication system receivers, since it can significantly reduce the bit error rate (BER), thus improving wireless communication efficiency and quality. Channel estimation methods based on least square (LS) and minimum mean square error (MMSE) effectively utilize the system’s sparsity, but LS algorithms face low computational precision, while MMSE algorithms suffer from high computational complexity. …”
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    Article
  6. 406

    Analysis of 6G and B5G waveforms using hybrid MF-ED and ECG-ED spectrum sensing techniques by Arun Kumar, Aziz Nanthaamornphong

    Published 2025-04-01
    “…The rapid evolution of wireless communication has necessitated advanced waveform analysis for beyond-fifth-generation (B5G) and sixth-generation (6G) radio networks, focusing on efficient spectrum utilization. …”
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    Article
  7. 407

    Channel modeling and testing of wireless transmission for underground in-pipe leak and material loss detection by S Mekid, D Wu, R Hussain, K Youcef-Toumi

    Published 2017-11-01
    “…A systematic real-time methodology is adopted for leak detection in underground buried pipes. The wireless communication system is used to analyze the system performance based on the received power by monopole antenna deployed at the receiving side. …”
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    Article
  8. 408

    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
  9. 409

    Experimental Demonstration of Special-Shaped 32-Quadrature Amplitude Modulation Constellations for Visible Light Communications by Xinyue Guo, Shuangshuang Li, Yang Guo

    Published 2018-01-01
    “…With the rapid development of light-emitting diode, visible light communication (VLC) has become a candidate technology for the next generation of high-speed indoor wireless communication. In this paper, we investigate the performance of the 32-quadrature amplitude modulation (32-QAM) constellation shaping schemes for the first time, where two special circular constellations, named Circular (4, 11, 17) and Circular (1, 5, 11, 15), and a triangular constellation are proposed based on the Shannon’s criterion. …”
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    Article
  10. 410

    A Super Wideband Directional Compact Vivaldi Antenna for Lower 5G and Satellite Applications by Liton Chandra Paul, Md. Mohiminul Islam

    Published 2021-01-01
    “…At the edge of wireless communication, we want to enhance two key aspects within the communication systems: the quality of service and the cost. …”
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    Article
  11. 411

    Quantum Algorithms for the Physical Layer: Potential Applications to Physical Layer Security by Toshiki Matsumine, Hideki Ochiai, Junji Shikata

    Published 2025-01-01
    “…Meanwhile, as an alternative to cryptographic methods, physical layer security (PLS) has been extensively studied as a means to realize secure wireless communication that is resistant to attacks by both classical and quantum computers, i.e., quantum-safe. …”
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    Article
  12. 412

    Minimum-Cost QoS-Constrained Deployment and Routing Policies for Wireless Relay Networks by Frank Yeong-Sung Lin, Chiu-Han Hsiao, Kuo-Chung Chu, Yi-Heng Liu

    Published 2013-01-01
    “…With the continued evolution of wireless communication technology, relaying is one of the features proposed for the 4G LTE Advanced (LTE-A) system. …”
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    Article
  13. 413

    A New Physical Layer Security Scheme Based on Adaptive Bit Channel Selection for Polar-Coded OFDM by Yuki Kuraya, Hideki Ochiai

    Published 2024-01-01
    “…We propose a new physical layer security scheme for a wiretap channel in polar-coded OFDM-based wireless communication systems. Our approach is based on the <italic>adaptive bit channel selection</italic>, where the input bit channels of polar code are selected according to the frequency selectivity of the main channel. …”
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    Article
  14. 414

    Ultrasmall Dual-Band Metamaterial Antennas Based on Asymmetrical Hybrid Resonators by Ji-Xu Zhu, Peng Bai, Jia-Fu Wang

    Published 2016-01-01
    “…Excellent performances of the antennas based on hybrid resonators predict promising applications in multifunction wireless communication systems.…”
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    Article
  15. 415

    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
  16. 416

    Quantum Safe Multi-Factor User Authentication Protocol for Cloud-Assisted Medical IoT by Arman Ahmad, S. Jagatheswari

    Published 2025-01-01
    “…The Medical Internet of Things (MIoT) plays a pivotal role in modern healthcare by integrating wireless communication and cloud computing to enhance medical practices. …”
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    Article
  17. 417

    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
  18. 418

    Design and Implementation of a Healthcare Monitoring System Based on LoRa by Hayder Fadhil Jawad, Ali Al-Askery, Adnan Hussein Ali

    Published 2022-12-01
    “…This instrument uses ESP32 as a Microcontroller and LoRa as a wireless communication technique. The MLX90614 sensor is used to detect body temperature, while the MAX30100 sensor is used to monitor blood oxygen saturation and heart rate. …”
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    Article
  19. 419

    A Companding Technique to Reduce Peak-to-Average Ratio in Discrete Multitone Wireline Receivers by Miad Laghaei, Hossein Shakiba, Ali Sheikholeslami

    Published 2024-01-01
    “…Multicarrier modulation, while providing a theoretical pathway to data rates approaching the Shannon limit and being extensively utilized in wireless communication, has encountered limited application in high-speed wireline communication. …”
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    Article
  20. 420

    Experimental Investigation of Zadoff-Chu Matrix Precoding for Visible Light Communication System with OFDM Modulation by Xinyue Guo, Yang Guo, Shuangshuang Li

    Published 2018-01-01
    “…Light-emitting diode- (LED-) based visible light communication (VLC) has become a potential candidate for next generation high-speed indoor wireless communication. Due to the limited modulation bandwidth of the LED, orthogonal frequency division multiplexing (OFDM) modulation is particularly preferred in the VLC system to overcome the ISI, which suffers from the high peak-to-average power ratio (PAPR) and leads to severe performance loss. …”
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    Article