Showing 1 - 20 results of 369 for search '"wireless communications"', query time: 0.07s Refine Results
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    Effect of Environmental Parameters on the Performance of Optical Wireless Communications by Hosam Abd Elrazek Mohamed Ali, El-Sayed Soliman A. Said, Mohamed Ebrahim Yousef

    Published 2019-01-01
    “…This paper studies the effect of environmental parameters like rain, fog, haze, snow, and dust on the performance of optical wireless communications using Opti-system program. This work considers the effect of visibility as well as operating wavelengths on atmospheric attenuation in different weather conditions for free space optical link. …”
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    Framework for Secure Wireless Communication in Wireless Sensor Networks by Muhammad Usama, Fahad T. Bin Muhaya

    Published 2013-12-01
    “…With large-scale and rapid development in wireless sensor networks (WSNs), there is great demand to adopt security mechanisms for secure wireless communication. WSNs have many fields of applications that are playing an essential role in increasing productivity and reducing cost. …”
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    Reliability analysis of wireless communication equipment based on model selection by SUN Jin, HU Jicheng, JIAO Yaqi, WANG Kun

    Published 2025-02-01
    “…In view of the complex structure and failure mechanism of wireless communication equipment, numerous failure distribution types, difficulty in selecting and evaluating reliability models and other problems, this paper starts from the research on equipment failure distribution at the bottom level, takes typical wireless communication system vehicle self-organizing network equipment as the research object, and compares and analyzes the correlation coefficients and error values of equipment life exponential distribution, lognormal distribution and two-parameter Weibull distribution. …”
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    Time Complexity of Training DNNs With Parallel Computing for Wireless Communications by Pengyu Cong, Chenyang Yang, Shengqian Han, Shuangfeng Han, Xiaoyun Wang

    Published 2025-01-01
    “…However, the time complexity of training DNNs for learning wireless communication policies has only been evaluated in terms of runtime. …”
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    Linear Array Design with Switched Beams for Wireless Communications Systems by Vinícius Ludwig-Barbosa, Edson Schlosser, Renato Machado, Filipe Guterres Ferreira, Sabrina Müller Tolfo, Marcos Vinício Thomas Heckler

    Published 2015-01-01
    “…This paper presents an analysis for optimal design of switched beamforming applied to a linear array for wireless communication systems. The beam switching scheme provides coverage of a given sector in azimuth and controls the sidelobe level simultaneously. …”
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    Frequency Diverse Array for Signal Geofencing in Wireless Communications: Does it Work? by Simone Del Prete, Marina Barbiroli, Franco Fuschini

    Published 2025-01-01
    “…Frequency Diverse Array is an advanced antenna technology for clustering received power spatial distribution in specific areas, which has shown significant potential in many applications, including radar or wireless power transfer. In wireless communications, signal geofencing might be beneficial in increasing communication secrecy or reduce interference issues, but system communications through frequency diverse arrays require careful consideration about several design parameters. …”
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    Optimization of Wireless Communication Coverage in Underground Tunnels Based on Zone Division by Yu Huo, Qingsong Hu, Yanjing Sun, Xiwang Guo, Liang Qi, Xiaohu Zhao, Enjie Ding

    Published 2020-01-01
    “…In order to reduce the path loss of the wireless communication signal in the underground tunnel, a scheme for configuring the antenna polarization of wireless systems based on a zone-division method is proposed. …”
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    Dual-Polarized Crossed Bowtie Dipole Array for Wireless Communication Applications by Zhi-Ya Zhang, Shuang Li, Shao-Li Zuo, Jia-Yue Zhao, Xiao-dong Yang, Guang Fu

    Published 2014-01-01
    “…Therefore, the proposed array antenna is very suitable for potential wireless communication applications. A prototype has been manufactured and measured. …”
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    Optically levitated nanoparticles as receiving antennas for low frequency wireless communication by Zhenhai Fu, Jinsheng Xu, Shaochong Zhu, Chaoxiong He, Xunming Zhu, Xiaowen Gao, Han Cai, Peitong He, Zhiming Chen, Yizhou Zhang, Nan Li, Xingfan Chen, Ying Dong, Shiyao Zhu, Cheng Liu, Huizhu Hu

    Published 2025-01-01
    “…Abstract Low-frequency (LF) wireless communications play a crucial role in ensuring anti-interference, long-range, and efficient communication across various environments. …”
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