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February 6, 2026International Journal of Advanced Computer Science and ApplicationsOpen Access

Correlation Characteristics-Based Channel Estimation Method for GFDM Systems

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Authors

XLXiaotian LiXYXiaoqing YanZZZitian Zhao

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Overview

A new method improves channel estimation and transmission rates in GFDM systems by reducing pilot overhead.

Key Points

  • The research aims to develop an effective channel estimation method for GFDM systems that reduces pilot sequence requirements.
  • Developed a pilot sequence with a two-dimensional time-frequency block structure (CTFP) based on the prototype filter.
  • Utilized subcarrier correlation for channel estimation to minimize the need for pilot sequences.
  • Compared simulation results to existing channel estimation methods to evaluate performance improvements.
  • Proposed method reduces pilot overhead while maintaining performance similar to existing methods.
  • Improved data transmission rate by 14.97% compared to traditional methods.
  • Demonstrated effectiveness in reducing mean square error and bit error rate.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/698586118f7c464f23009f84https://doi.org/10.14569/ijacsa.2026.0170114
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