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Optimal Physical Shared Channels NB-IOT Design BLER Assessment, for Cellular LTE WAN Network in Smart Healthcare

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Abstract

Particularly, for real time monitoring-IOT has just evolved to support massive capacity Cellular LTE networks. The fundamental issue is the constrained bandwidth that NB-IOT channels allow. Therefore, goal of paper is to enhance the capacity of the NB-IOT physical layer shared channels for uplink and down links. The primary objective of this article is to improve the efficiency of an LTE-OFDM framework for NB-IOT-WAN via BER and BLER assessment. The proposed approach improves performance by selecting suitable cyclic prefix sampling with FFT size. It is planned to adopt M-QAM for increased data transmission capacity and reducing OFDM BER. In order to enhance the capacity approach of diversity reception is considered along with the modified modulation parameters. Increased FFT size is offered for OFDM capacity enhancement for narrowband physical downlink shared channel (NPDSCH) and narrowband physical uplink shared channel (NPUSCH) transceivers. The block error rate (BLER) is used as the performance evaluation parameters for the LTE-OFDM based NB-IOT system. The impact of the higher block transmission length is assessed for the improvement in the BLER rates. It is proposed to use M-QAM for NPUSCH which may offer better capacity of data transmission. The performance is compared with the standard QPSK modulation. For the uplink design under AWGN and frequency selective channels are considered for evaluation. The numbers of receiver antenna are increased for offering the better diversity reception to further enhance the channel capacity. The optimal design parameter selection might improve the performance of the NB-IOT cellular networks. The BLER is evaluated for different case of uplink and downlink designs against the wide range of the SNR. The entire document takes into account all factors in order to get the greatest system efficiency, and it offers capacity enhancement.

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Availability of data and material

Various data repositories are available freely in internet for evolution purpose. The code for different existing protocol is available at MATLAB library for proposed work the code will be provide on request.

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Acknowledgements

I thank to my co-author and PhD supervisor for their expertise and assistance throughout all aspects of my study and for their guidance in writing the manuscript I also thankful to wireless personal communications team and their reviewer to suggest me various relevant point to make this manuscript effective.

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  1. Department of ECE, LNCT University, Bhopal, Madhya Pradesh, 462026, India

    Amrita Khera & Jai Karan Singh

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Khera, A., Singh, J.K. Optimal Physical Shared Channels NB-IOT Design BLER Assessment, for Cellular LTE WAN Network in Smart Healthcare. Wireless Pers Commun 132, 2171–2202 (2023). https://doi.org/10.1007/s11277-023-10714-8

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