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Pulse Based GFDM Modulation Technique for Future Generation Communication Systems

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  • Shatrughna Prasad Yadav

    (Guru Nanak Institute of Technology, India.)

Abstract

Future mobile communication systems are mainly focused on flexibility, reliability, scalability, spectral efficiency, and robustness. A higher data rate, increased capacity, higher mobility, lower latency, and improved quality are prime objectives that need to be improved in future communication systems. This paper investigates generalized frequency division multiplexing (GFDM), a suitable waveform candidate for future communication systems. It has low complexity compared to FBMC and is highly suitable for burst signal transmission. Due to the use of non-rectangular pulse shaping, out-of-band leakage is also less. This technique is more flexible in terms of frequency localization, scalability, and integration with MIMO. Its performance in terms of BER has been computed considering the number of subcarriers, number of sub-symbols, input power back-off, and roll-off factor as variable parameters. It has been observed that change in the BER is low when the number of sub-carriers is changed but is more for change in the number of sub-symbols. Its performance degrades when the number of subcarriers, the value of the roll-off factor, and the power back-off are increased. But BER performance improves with an increase in the number of sub-symbols.

Suggested Citation

  • Shatrughna Prasad Yadav, 2022. "Pulse Based GFDM Modulation Technique for Future Generation Communication Systems," European Journal of Electrical Engineering and Computer Science, European Open Science, vol. 6(6), pages 1-8, October.
    • Handle: RePEc:epw:ejece0:v:6:y:2022:i:6:id:19468
    DOI: 10.24018/ejece.2022.6.6.468
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