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  • Open Access


    Impairments Approximations in Assembled mmWave and Radio Over Fiber Network

    Muhammad Irfan1, Farman Ali2, Fazal Muhammad3,*, Saifur Rahman1, Ammar Armghan4, Yousaf Khan5, Faisal Althobiani6, Rehan Shafiq7, Mohammed Alshareef8, Mohammad E. Gommosani9

    CMC-Computers, Materials & Continua, Vol.73, No.3, pp. 4885-4895, 2022, DOI:10.32604/cmc.2022.030157

    Abstract The fiber nonlinearity and phase noise (PN) are the focused impairments in the optical communication system, induced by high-capacity transmission and high laser input power. The channels include high-capacity transmissions that cannot be achieved at the end side without aliasing because of fiber nonlinearity and PN impairments. Thus, addressing of these distortions is the basic objective for the 5G mobile network. In this paper, the fiber nonlinearity and PN are investigated using the assembled methodology of millimeter-wave and radio over fiber (mmWave-RoF). The analytical model is designed in terms of outage probability for the proposed mmWave-RoF system. The performance of… More >

  • Open Access


    Frequency Domain Filtering SAR Interferometric Phase Noise Using the Amended Matrix Pencil Model

    Y,ong Gao1, Shubi Zhang1,*, Kefei Zhang2,*, Shijin Li1

    CMES-Computer Modeling in Engineering & Sciences, Vol.119, No.2, pp. 349-363, 2019, DOI:10.32604/cmes.2019.03943

    Abstract Interferometric phase filtering is one of the key steps in interferometric synthetic aperture radar (InSAR/SAR). However, the ideal filtering results are difficult to obtain due to dense fringe and low coherence regions. Moreover, the InSAR/SAR data range is relatively large, so the efficiency of interferential phase filtering is one of the major problems. In this letter, we proposed an interferometric phase filtering method based on an amended matrix pencil and linear window mean filter. The combination of the matrix pencil and the linear mean filter are introduced to the interferometric phase filtering for the first time. First, the interferometric signal… More >

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