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<p>Personal communication growth necessitates that transmission systems enhance capacity to accommodate an increasing number of users and higher data speeds while minimizing operational costs and design complexity. This paper examines how the integration of Unpunctured Turbo Trellis Coded Modulation (UTTCM) with Multi-Carrier Code Division Multiple Access (MC-CDMA) systems leads to substantial performance improvements. Empirical evidence from UTTCM coding demonstrates enhanced spectral efficiency, reduced bit error rates (BER), and optimized bandwidth utilization. Spectral efficiency significantly improves when MC-CDMA is combined with UTTCM, as the error rate decreases by 4.88 dB. Additionally, the analysis of energy consumption reveals a slight increase, which is justified by the substantial performance gains achieved. This study highlights the potential value of UTTCM technologies for modern telecommunication platforms, as they enhance data transmission stability and improve overall system performance.</p>

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Optimizing MC-CDMA System Performance via UTTCM Channel Coding Techniques

  • 期刊论文

  • 发表日期：

    2025年9月8日

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  • Bendelhoum Mohammed Sofiane,
  • Bendjillali Ridha Ilyas,
  • Elarbi Abderraouf,
  • Lahcene Mohamed Rida,
  • Tadjeddine Ali Abderrazak,
  • Kamline Miloud

摘要

Personal communication growth necessitates that transmission systems enhance capacity to accommodate an increasing number of users and higher data speeds while minimizing operational costs and design complexity. This paper examines how the integration of Unpunctured Turbo Trellis Coded Modulation (UTTCM) with Multi-Carrier Code Division Multiple Access (MC-CDMA) systems leads to substantial performance improvements. Empirical evidence from UTTCM coding demonstrates enhanced spectral efficiency, reduced bit error rates (BER), and optimized bandwidth utilization. Spectral efficiency significantly improves when MC-CDMA is combined with UTTCM, as the error rate decreases by 4.88 dB. Additionally, the analysis of energy consumption reveals a slight increase, which is justified by the substantial performance gains achieved. This study highlights the potential value of UTTCM technologies for modern telecommunication platforms, as they enhance data transmission stability and improve overall system performance.