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Compact, Isolation Enhanced, Band-Notched SWB–MIMO Antenna Suited for Wireless Personal Communications

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Abstract

Herein, a Conductor Backed Co-Planar Waveguide fed, compact, slotted Multiple–Input–Multiple–Output or MIMO antenna having Super Wideband (SWB) response and tunable band-notching feature is presented. In addition, an improved method for cut-off frequency prediction of the antenna is formulated. A super wide frequency response from 01.21 to 34.0 GHz and notches at Wireless Local Area Networks or WLAN bands (04.92–05.83 GHz) and Worldwide Inter-operability for Microwave Access or WiMAX bands (03.30 GHz–03.70 GHz) are obtained. By fine tuning the dimensions of the Split Ring Resonator Structure introduced in the radiating element, band-notched characteristics centered at 05.50 GHz WLAN band is obtained. A second band notch having centre frequency at 03.50 GHz for the WiMAX band is obtained by the introduction of a Spiral Microstrip Defected Structure in the feeding segment. The antenna is 20 × 36 × 1 mm3 in dimension. Acceptable gain all through the functional bandwidth, excepting the notched bands makes the MIMO antenna a novel contender for SWB operations particularly for Wireless Personal Communications.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Mallabhum Institute of Technology, Bishnupur, 722122, India

    Ankan Bhattacharya

  2. School of Electronics Engineering, Vellore Institute of Technology, AP University, Amaravati, 522 237, India

    Bappadittya Roy

  3. Department of Electronics and Communication Engineering, National Institute of Technology, Durgapur, 713209, India

    Anup K. Bhattacharjee

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  1. Ankan Bhattacharya
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  2. Bappadittya Roy
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  3. Anup K. Bhattacharjee
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Correspondence to Ankan Bhattacharya.

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Bhattacharya, A., Roy, B. & Bhattacharjee, A.K. Compact, Isolation Enhanced, Band-Notched SWB–MIMO Antenna Suited for Wireless Personal Communications. Wireless Pers Commun 116, 1575–1592 (2021). https://doi.org/10.1007/s11277-020-07749-6

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  • DOI: https://doi.org/10.1007/s11277-020-07749-6

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