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OFDM technique can be applied in 6G and beyond wireless communication. The larger PAPR will result in more costs and intricacy for High-Power Amplifiers (HPAs), as well as undesirable impacts including increased radiation and Carrier Interference (CI). In this work, the PAPR and efficiency of PTS and SLM in combination with the proposed Discrete Cosine Hartley Transform (DCHT) precoding technique is evaluated. Additionally, the Bit Error Rate (BER) of the PTS-DCHT and SLM-DCHT approaches are compared for a range of SNR values to assess the error performance. Also, the proposed methods are compared with different transforming techniques and with hybrid SLM-Transforming and PTS-Transforming techniques in terms of BER and PAPR performance. In comparison with different transforming techniques, SLM, and PTS methods, the suggested hybrid approaches, namely SLM-DCHT and PTS-DCHT provide lower PAPR and lower BER with enhanced efficiency.

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Hybrid Precoded SLM and Precoded PTS Schemes of OFDM for 6G Communications

  • 会议论文

  • 发表日期：

    2025年

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  • Malleswari Akurati,
  • Satish Kumar Pentamsetty,
  • Satya Prasad Kodati

摘要

OFDM technique can be applied in 6G and beyond wireless communication. The larger PAPR will result in more costs and intricacy for High-Power Amplifiers (HPAs), as well as undesirable impacts including increased radiation and Carrier Interference (CI). In this work, the PAPR and efficiency of PTS and SLM in combination with the proposed Discrete Cosine Hartley Transform (DCHT) precoding technique is evaluated. Additionally, the Bit Error Rate (BER) of the PTS-DCHT and SLM-DCHT approaches are compared for a range of SNR values to assess the error performance. Also, the proposed methods are compared with different transforming techniques and with hybrid SLM-Transforming and PTS-Transforming techniques in terms of BER and PAPR performance. In comparison with different transforming techniques, SLM, and PTS methods, the suggested hybrid approaches, namely SLM-DCHT and PTS-DCHT provide lower PAPR and lower BER with enhanced efficiency.