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January 24, 2026Journal of Computer Networks and CommunicationsOpen Access

Pilot‐Based Iterative Path Estimation and Maximum Ratio Combining (MRC)–Based Signal Detection of Orthogonal Time–Frequency Space (OTFS) Modulation for 6G in Fractional Doppler Channels

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Authors

EDEphrem Gelamite DemereZGZelalem Hailu Gebeyehu

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Overview

Pilot-based iterative path estimation improves signal detection in fractional Doppler channels, indicating efficiency for 6G.

Key Points

  • To investigate channel estimation and signal detection of OTFS in fractional Doppler channels with reduced complexity.
  • Utilized pilot-based iterative path estimation and maximum ratio combining (MRC) for signal detection.
  • Simulated the error rate performance under fractional Doppler conditions.
  • Evaluated the complexity based on average iterations needed for signal detection.
  • Achieved lower computational complexity in channel estimation and signal detection.
  • Demonstrated improved error rate performance in fractional Doppler environments.
  • Indicated a direct correlation between the number of iterations and detection accuracy.

Cite This Study

Demere et al. (2026) studied this question.

synapsesocial.com/papers/69746149bb9d90c67120b279https://doi.org/10.1155/jcnc/8837627
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