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This paper investigates Turbo-Coded Filtered-Orthogonal Frequency Division Multiplexing (TC-F-OFDM) as a potential candidate for waveforms for 5G networks. Here, we analyze the performance of turbo-coded OFDM-based wireless networks and demonstrate improvements using filtered OFDM techniques. The study incorporates different code rates under noisy and faded channel conditions, Doppler shifts on Turbo Decoding (BCJR), and Peak-to-Average Power Ratio (PAPR) analysis for coded and uncoded F-OFDM conditions. The results obtained show that TC-F-OFDM offers significant performance improvements for spectral efficiency (SE) on account of reduced Out-of-Band Emissions (OOBE) and improved Bit Error Rate (BER) performance under fading channels. While PAPR in the case of F-OFDM is worse than conventional OFDM, turbo-coding offers a marginal improvement compared to uncoded F-OFDM.

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Implementation of Turbo-Coded Filtered OFDM in 5G Networks

  • 会议论文

  • 发表日期：

    2025年

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  • Kaustubh Ranjan Singh,
  • Harshit,
  • Japnoor Singh,
  • Jatin

摘要

This paper investigates Turbo-Coded Filtered-Orthogonal Frequency Division Multiplexing (TC-F-OFDM) as a potential candidate for waveforms for 5G networks. Here, we analyze the performance of turbo-coded OFDM-based wireless networks and demonstrate improvements using filtered OFDM techniques. The study incorporates different code rates under noisy and faded channel conditions, Doppler shifts on Turbo Decoding (BCJR), and Peak-to-Average Power Ratio (PAPR) analysis for coded and uncoded F-OFDM conditions. The results obtained show that TC-F-OFDM offers significant performance improvements for spectral efficiency (SE) on account of reduced Out-of-Band Emissions (OOBE) and improved Bit Error Rate (BER) performance under fading channels. While PAPR in the case of F-OFDM is worse than conventional OFDM, turbo-coding offers a marginal improvement compared to uncoded F-OFDM.