让不同AI智能体在压缩通信中保留语义,提升协作效率
Learning Network Sheaves for AI-native Semantic Communication
- 构建可学习的网络层流,自动优化智能体间信息交换拓扑与对齐关系
- 通过语义去噪与稀疏压缩,在保持下游任务高精度前提下实现跨智能体对齐
- 适用于异构AI系统协同场景,尤其适合6G时代语义通信研究者
当前人工智能发展推动通信范式从比特中心转向目标与语义导向,为面向AI的6G网络铺平道路。本文解决一个核心挑战:使异构AI智能体在传输压缩的潜在空间表示时,降低语义噪声并保留任务相关意义。我们将该问题建模为同时学习通信拓扑与映射对齐,得到具备正交映射的可学习网络层流。该过程由语义去噪与端到端压缩模块支持,构建共享全局语义空间,并生成每个智能体潜在空间的稀疏结构化表示,对应一个可通过闭式更新迭代求解的非凸字典学习问题。在多个基于真实图像数据预训练的AI智能体上进行实验表明,该方法有效促进智能体对齐与语义聚类提取,同时在下游任务中保持高精度。所得通信网络揭示了智能体间的语义异质性,凸显方法的可解释性。
原文摘要 · Abstract (English)
Recent advances in AI call for a paradigm shift from bit-centric communication to goal- and semantics-oriented architectures, paving the way for AI-native 6G networks. In this context, we address a key open challenge: enabling heterogeneous AI agents to exchange compressed latent-space representations while mitigating semantic noise and preserving task-relevant meaning. We cast this challenge as learning both the communication topology and the alignment maps that govern information exchange among agents, yielding a learned network sheaf equipped with orthogonal maps. This learning process is further supported by a semantic denoising end compression module that constructs a shared global semantic space and derives sparse, structured representations of each agent's latent space. This corresponds to a nonconvex dictionary learning problem solved iteratively with closed-form updates. Experiments with mutiple AI agents pre-trained on real image data show that the semantic denoising and compression facilitates AI agents alignment and the extraction of semantic clusters, while preserving high accuracy in downstream task. The resulting communication network provides new insights about semantic heterogeneity across agents, highlighting the interpretability of our methodology.
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