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Study of Indoor Radio Coverage Performance of Dual Technology Co-Existing MIMO Antenna Platform for Low Power Wireless Base Station

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Abstract

In this paper, we present the radiated mode indoor radio coverage performance study of a co-existing dual technology, dual 4×4 Multiple Input Multiple Output (MIMO) antenna platform. The antenna platform is targeted to be used for low power wireless radio Base Station (BS) applications. One of the 4×4 MIMO antenna pairs operates in the 2.5–2.7 GHz licensed Long Term Evolution (LTE) band while the other MIMO antenna pair operates in the 2.4 GHz unlicensed Wireless Fidelity (Wi-Fi) Industrial Scientific Medical (ISM) band. This radio performance study is carried out to analyze, predict and verify the impact of multi-radio co-existence on the radiated mode indoor coverage performance in an Over-The-Air (OTA) scenario. The study involves OTA radio propagation modeling, prediction and verification both for a near field and far field scenario. While the near field coverage is studied in a small form factor controlled shield box environment, the far field coverage study is undertaken over a 780 ft2 indoor enterprise coverage area. The test result shows the worst case LTE signal level is –77.7, –75, and –76.03 dBm, respectively, over a 3.6 m obstructed radial Line Of Sight (LOS) distance.

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Authors and Affiliations

  1. National Institute of Science and Technology, Berhampur, India

    Saroj K. P. Patro & A. K. Panda

  2. Berhampur University, Berhampur, India

    Rabindra K. Mishra

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  1. Saroj K. P. Patro
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  2. Rabindra K. Mishra
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  3. A. K. Panda
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Correspondence to Saroj K. P. Patro.

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Saroj K. Patro, Rabindra K. Mishra, and A. K. Panda

The authors declare that they have no conflict of interest.

The initial version of this paper in Russian is published in the journal “Izvestiya Vysshikh Uchebnykh Zavedenii. Radioelektronika,” ISSN 2307-6011 (Online), ISSN 0021-3470 (Print) on the link http://radio.kpi.ua/article/view/S0021347020020028 with DOI: https://doi.org/10.20535/S0021347020020028

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Patro, S.K.P., Mishra, R.K. & Panda, A.K. Study of Indoor Radio Coverage Performance of Dual Technology Co-Existing MIMO Antenna Platform for Low Power Wireless Base Station. Radioelectron.Commun.Syst. 63, 66–76 (2020). https://doi.org/10.3103/S0735272720020028

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