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Performance Analysis of Parallel Concatenation of LDPC Coded SISO-GFDM System for Distinctive Pulse Shaping Filters using USRP 2901 Device and its Application to WiMAX

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Abstract

The increasing demand for high data rates requires channel error control codes for the upcoming fifth generation. This article presents an investigation of the parallel concatenation of low-density parity-check codes (PC-LDPC) in the fifth generation proposed waveform candidate called generalized frequency division multiplexing (GFDM). PC-LDPC codes are obtained by dividing the long and high complexity single LDPC codes into small two lower complexity codes, and these designed codes are applied to the 5G-GFDM waveform. Since the GFDM signal transmits data in both the time and frequency domain, these PC-LDPC codes can deal with two-dimensional errors. This channel coded GFDM system is integrated into Universal software radio peripheral (USRP) device for real-time implementation. The Attainment of the proposed transceiver is verified by computation of BER under distinctive channel coding techniques like convolutional, Golay, Bose-Chaudhuri-Hochquenghem (BCH), extended length single LDPC code. The different pulse shaping filters such as Raised Cosine (RC), Root Raised Cosine (RRC), Gaussian, and Xia 4th order filter are applied to the GFDM under the Gaussian noise and Rayleigh fading channel to compute Out of band (OOB) power. The PC-LDPC coded GFDM outperforms LDPC by 6.5 dB in the RRC filter for roll-off factor rate 0.5 under the Rayleigh fading channel. PC-LDPC code outperforms LDPC code with a coding gain of 2 dB was observed in IEEE 802.16 Transceiver.

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Data Availability

The data availability is already explained in this article in the results and discussion section.

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Acknowledgements

The authors thank the Institute of Aeronautical Engineering for establishing LabVIEW remote laboratory on the campus for making this implementation possible.

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The author(s) received no financial support for the research, authorship, and/or publication of this article.

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Authors and Affiliations

  1. Dept of Electronics and Communication Engineering, Sathyabama Institute of Science and Technology, Jeppiaar Nagar, Chennai, 600119, India

    Nagarjuna Telagam & S. Lakshmi

  2. GITAM University, Bangalore, India

    Nagarjuna Telagam

  3. Dept of Electrical and Computer Engineering, National University of Singapore, 21 Lower Kent Ridge Road, Singapore, 119077, Singapore

    Nehru Kandasamy

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  1. Nagarjuna Telagam
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  2. S. Lakshmi
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  3. Nehru Kandasamy
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Correspondence to Nagarjuna Telagam.

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Telagam, N., Lakshmi, S. & Kandasamy, N. Performance Analysis of Parallel Concatenation of LDPC Coded SISO-GFDM System for Distinctive Pulse Shaping Filters using USRP 2901 Device and its Application to WiMAX. Wireless Pers Commun 121, 3085–3123 (2021). https://doi.org/10.1007/s11277-021-08865-7

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