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Radio Map Estimation: Empirical Validation and Analysis

Created by
  • Haebom

Author

Raju Shrestha, Tien Ngoc Ha, Pham Q. Viet, Daniel Romero

Outline

This paper presents the first comprehensive, rigorous, and reproducible study of the Remotely Supervised Estimation (RME) problem using real data. Unlike previous studies that rely on synthetic data, we use real data to assess the feasibility of RME (C1), analyze key phenomena and tradeoffs associated with RME (C2), and evaluate various estimators based on real data (C3). Specifically, we demonstrate that the performance gains of existing deep estimators may not compensate for their complexity and propose simple improvements to address this issue (C4). By making the extensive data collected and the developed simulator public, we bring RME one step closer to practical deployment.

Takeaways, Limitations

Takeaways:
We address the lack of real-world data-based RME research and clearly present the feasibility and limitations of RME.
We experimentally validate existing theoretical results and analyze the key phenomena and tradeoffs of RME.
We compare and evaluate the actual performance of various estimators and present solutions to the complexity problem of deep estimators.
We facilitate further research by making large-scale real-world datasets and simulators available.
Limitations:
Further research is needed to determine whether the characteristics of the real-world data (region, environment, etc.) used in this study can be generalized to other environments.
Further validation is needed to ensure that the performance gains from the proposed simple improvement (C4) are consistent across all situations.
Among various estimators, there may be bias toward a specific estimator. A broader range of estimators needs to be considered.
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