AI RESEARCH
Not All Symbols Are Equal: Importance-Aware Constellation Design for Semantic Communication
arXiv CS.LG
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ArXi:2605.14940v1 Announce Type: new Semantic communication systems for goal-oriented transmission must protect task-relevant information not only through source compression but also via physical layer mapping. Existing approaches decouple constellation design and semantic encoding, exposing critical symbols to channel errors at the same rate as irrelevant ones.