Showing 141 - 160 results of 369 for search '"wireless communications"', query time: 0.05s Refine Results
  1. 141

    Integration of Resonant Coil for Wireless Power Transfer and Implantable Antenna for Signal Transfer by Dong-Wook Seo, Jae-Ho Lee, Hyungsoo Lee

    Published 2016-01-01
    “…While the resonant coils resonate at the frequency of 13.56 MHz for the WPT, the implantable antenna works in the medical implant communications service (MICS) band of 402–405 MHz for wireless communications. They share the narrow substrate area of a bar-type shape; the coil has the current path on the outer part of the substrate and the meandered planar inverted-F antenna (PIFA) occupies the inside of the coil. …”
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  2. 142

    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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  3. 143

    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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  4. 144

    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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  5. 145

    Design of UWB Filter with WLAN Notch by Harish Kumar, MD. Upadhayay

    Published 2012-01-01
    “…UWB technology- (operating in broad frequency range of 3.1–10.6 GHz) based filter with WLAN notch has shown great achievement for high-speed wireless communications. To satisfy the UWB system requirements, a band pass filter with a broad pass band width, low insertion loss, and high stop-band suppression are needed. …”
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  6. 146

    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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  7. 147

    Baseband Transceiver Design of a High Definition Radio FM System Using Joint Theoretical Analysis and FPGA Implementation by Chien-Sheng Chen, Chyuan-Der Lu, Ho-Nien Shou, Le-Wei Lin

    Published 2014-01-01
    “…Advances in wireless communications have enabled various technologies for wireless digital communication. …”
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  8. 148

    CC2: Defending Hybrid Worm on Mobile Networks with Two-Dimensional Circulation Control by Hailu Yang, Deyun Chen, Guanglu Sun, Xiaoyu Ding, Yu Xin

    Published 2019-01-01
    “…As the hybrid worm can propagate by both personal social interactions and wireless communications, it has been identified as one of the most severe threats to the mobile Internet. …”
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  9. 149

    2D-DOA Estimation for EMVS Array with Nonuniform Noise by Chang-Xin Cai, Guan-Jun Huang, Fang-Qing Wen, Xin-Hai Wang, Lin Wang

    Published 2021-01-01
    “…Electromagnetic vector sensor (EMVS) array is one of the most potential arrays for future wireless communications and radars because it is capable of providing two-dimensional (2D) direction-of-arrival (DOA) estimation as well as polarization angles of the source signal. …”
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  10. 150

    Guest editorial: Advanced signal processing for integration of radar and communication (IRC) by Bin Liao, Wei Liu, Ziyang Cheng, Tianyao Huang

    Published 2022-09-01
    “…For instance, radar was mainly employed for sensing (target detection, localization, recognition, imaging, etc.) in the military field, while wireless communication was mainly for information delivery. …”
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  11. 151

    Capacity Improvement for DVB-NGH with Dual-Polarized MIMO Spatial Multiplexing and Hybrid Beamforming by Huu Trung Nguyen, Trung Tan Le, Trung Hien Nguyen

    Published 2020-01-01
    “…Multiple-input multiple-output (MIMO) antenna scheme is an effective technique for future terrestrial broadcasting systems such as digital video broadcasting-next-generation handheld (DVB-NGH) to overcome the limits on information theory of traditional single-antenna wireless communications without any additional bandwidth or increased transmit power. …”
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  12. 152

    Cost-Effective and Energy-Efficient Photonics-Based Frequency Hopping by Single Wavelength-Tunable Laser for Secure THz Communication by Naoto Masutomi, Shenghong Ye, Bo Li, Ryota Kaide, Ming Che, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    Published 2025-01-01
    “…A photomixing-based frequency-hopping spread spectrum (FHSS) system is effective for future secure terahertz (THz) wireless communications. Conventional photomixing systems are typically composed of two lasers, which result in an increased system size and power consumption. …”
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  13. 153

    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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  14. 154

    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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  15. 155
  16. 156

    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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  17. 157

    CKF-Based Visual Inertial Odometry for Long-Term Trajectory Operations by Trung Nguyen, George K. I. Mann, Andrew Vardy, Raymond G. Gosine

    Published 2020-01-01
    “…For comparison, this paper also develops a second solution to integrate VIO estimation with ranging measurements. The wireless communications between the vehicle and multiple beacons produce the ranging measurements and help to bound the accumulative errors. …”
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  18. 158

    A Comprehensive Propagation Prediction Model Comprising Microfacet Based Scattering and Probability Based Coverage Optimization Algorithm by A. S. M. Zahid Kausar, Ahmed Wasif Reza, Lau Chun Wo, Harikrishnan Ramiah

    Published 2014-01-01
    “…New optimization techniques, like dual quadrant skipping (DQS) and closest object finder (COF), are implemented for fast characterization of wireless communications and making the ray tracing technique more efficient. …”
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  19. 159
  20. 160

    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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