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The modulation technique employed is one of the key variables for enhancing unmanned aerial vehicle (UAV) communication since it directly affects the effectiveness and dependability of data transmission. The impact of Quadrature Amplitude Modulation (QAM) on Orthogonal Time Frequency Space (OTFS) communication for UAV systems is examined in this research. An innovative two-dimensional modulation system, OTFS, provides robustness against multi-path fading and Doppler shifts, common in high-mobility contexts such as UAV communication. We investigate the performance of different QAM orders (4-QAM, 8-QAM, 16-QAM) in the context of the OTFS architecture, examining their effects on spectral efficiency, Bit Error Rate (BER), and overall communication dependability. Our results show that under various UAV operating conditions, higher-order QAM schemes show a trade-off with BER performance, but provide better spectral efficiency This study offers insights into the best QAM schemes for OTFS-based UAV communication while juggling the demands of dependable transmission and high data rates in dynamic aerial environments.

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Performance Evaluation of OTFS-UAV Communication for Mobile Users

  • 会议论文

  • 发表日期：

    2026年

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  • Ghania Khraimech,
  • Fatiha Merazka

摘要

The modulation technique employed is one of the key variables for enhancing unmanned aerial vehicle (UAV) communication since it directly affects the effectiveness and dependability of data transmission. The impact of Quadrature Amplitude Modulation (QAM) on Orthogonal Time Frequency Space (OTFS) communication for UAV systems is examined in this research. An innovative two-dimensional modulation system, OTFS, provides robustness against multi-path fading and Doppler shifts, common in high-mobility contexts such as UAV communication. We investigate the performance of different QAM orders (4-QAM, 8-QAM, 16-QAM) in the context of the OTFS architecture, examining their effects on spectral efficiency, Bit Error Rate (BER), and overall communication dependability. Our results show that under various UAV operating conditions, higher-order QAM schemes show a trade-off with BER performance, but provide better spectral efficiency This study offers insights into the best QAM schemes for OTFS-based UAV communication while juggling the demands of dependable transmission and high data rates in dynamic aerial environments.