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Design and Analysis of a Slotted MIMO-Based Antenna for WLAN Applications

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Proceedings of Second International Conference on Computational Electronics for Wireless Communications

Part of the book series: Lecture Notes in Networks and Systems ((LNNS,volume 554))

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Abstract

This research presents a slotted MIMO antenna for improved isolation. The proposed antenna is designed on an FR-4 substrate with a dielectric constant of 4.4 and a height of 1.6 mm. The operating frequency is 5.4 GHz, which is useful for WLAN applications. Initially, a two-element MIMO is constructed without any isolation technique, but the desired antenna shows self-isolation with required values. After that an analysis was performed to enhance isolation. For further improvement, a parasitic element like a series of diamond-shaped structures is proposed. A further 2 × 2 meander line structures is proposed. The distance between the two radiating elements is 5 mm and is maintained for both the designs. For impedance matching, a quarter-wave feeding technique is proposed. As a result of the investigation, the meander line structure enhanced isolation by 7 dB while simultaneously achieving a low return loss. S-parameters, antenna radiation characteristics, envelope correlation coefficients (ECCs), and diversity gains are explored to evaluate the performance of the suggested MIMO antenna systems. The proposed antenna has a diversity gain (DG) of > 9 dB and ECC (envelope correlation coefficient) of 0.01. For the simulation, CSTMW 2018 was used. The proposed antenna has an overall dimension of 46 × 20 × 1.6 mm. There is a lot of evidence that MIMO with a meander line structure is a good choice for wide LAN applications.

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Author information

Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Vignan’s Institute of Information Technology (A), Visakhapatnam, India

    Bharani Bandi & Srikalyani Nageti

Authors
  1. Bharani Bandi
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  2. Srikalyani Nageti
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Corresponding author

Correspondence to Bharani Bandi .

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Editors and Affiliations

  1. Department of Electronics and Communication Engineering, Central University of Rajasthan, Ajmer, Rajasthan, India

    Sanyog Rawat

  2. Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, India

    Sandeep Kumar

  3. Department of Electronics and Communication Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, India

    Pramod Kumar

  4. Department of Telecommunication Engineering, Universitat Ramon Llull, Barcelona, Spain

    Jaume Anguera

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© 2023 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Bandi, B., Nageti, S. (2023). Design and Analysis of a Slotted MIMO-Based Antenna for WLAN Applications. In: Rawat, S., Kumar, S., Kumar, P., Anguera, J. (eds) Proceedings of Second International Conference on Computational Electronics for Wireless Communications. Lecture Notes in Networks and Systems, vol 554. Springer, Singapore. https://doi.org/10.1007/978-981-19-6661-3_14

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  • DOI: https://doi.org/10.1007/978-981-19-6661-3_14

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-19-6660-6

  • Online ISBN: 978-981-19-6661-3

  • eBook Packages: EngineeringEngineering (R0)

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