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Folded Substrate Integrated Waveguide Based Multiband Filter for Wi-Fi6E Application

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Abstract

This paper presents the design and development of a multiband filter using folded substrate integrated waveguide (FSIW) for the Wi-Fi 6E application. The emerging network standard IEEE802.11ax also known as Wi-Fi 6E is the next generation of Wi-Fi, which includes an additional frequency band at 6 GHz and provides improvements over 802.11ac (Wi-Fi 5). The designed filter is based on modification of the impedance of the FSIW structure introducing longitudinal as well as transverse slots. The equivalent circuit of the slot loaded structure is derived and simulated results using ADS are compared with the simulated results of the structure using HFSS as well as with the measured results. The measured results and simulated results using HFSS and ADS show the good agreement. The size of the designed structure is 0.31λg × 0.15λg and shows insertion loss less than 0.8 dB over the desired frequency bands.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India

    Sheelu Kumari & Vibha Rani Gupta

  2. Department of Electronics and Communication Engineering, Jaypee Institute of Information Technology, Noida, India

    Shweta Srivastava

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  1. Sheelu Kumari
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  2. Vibha Rani Gupta
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Kumari, S., Gupta, V.R. & Srivastava, S. Folded Substrate Integrated Waveguide Based Multiband Filter for Wi-Fi6E Application. Wireless Pers Commun 119, 1607–1618 (2021). https://doi.org/10.1007/s11277-021-08297-3

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