ResearchBenchmarksModel Complexity Reduction on HF Channel ModelModel Complexity Reduction on HF Channel ModelFollow35.16Complexity Reduction (QPSK)X-REFINE7.152814.423921.69528.9661Feb 25, 2026Evaluation resultsMethodMethodLinksComplexity Reduction (QPSK)Complexity Reduction (64QAM)X-REFINECXAI=O(Kon)CXAI=O(Kon)2026.0235.1643.59XAI-CHESTCXAI=O(EDXAI-CHESTKon^...CXAI=O(EDXAI-CHESTKon^2) + O(Kon)2026.0224.732.93LIMECXAI=O(DLIMEKon^2)CXAI=O(DLIMEKon^2)2026.0218.119.88DeepSHAPCXAI=O(DSHAPKon)CXAI=O(DSHAPKon)2026.028.2314.82