6G智能网络中,异构AIAgent如何高效对齐认知?
Heterogeneity-Aware Belief Synchronization for Semantic Communication in AI-Native 6G Networks

- 通过边缘计算部署隐式转换模型,实现异构智能体间信念同步
- 仅在必要时传输少量参数,保持低通信开销和高对齐精度
- 适合分布式多源智能系统,如空天地一体化网络场景
6G网络将不再只是通信基础设施,而是演变为由成千上万自主人工智能(AI)代理构成的智能系统,这些代理分布于低地球轨道卫星、高空平台、无人机、边缘服务器和地面设备等平台上。它们持续感知环境并交换信息。语义通信通过传递有意义的信息而非原始数据,提升了效率,但其有效性依赖于通信双方具备足够一致的认知以正确解码消息。在6G网络中,由于异构的AI模型运行在不同计算约束下,并从本地环境获取各异的知识,这一前提难以满足。本文提出一种面向异构性的信念同步框架,利用部署在多接入边缘计算(MEC)服务器上的潜在翻译模型,将一个代理的信念更新转化为适应目标代理特定知识的形式,无需联合训练或统一架构。通过仅在必要时通过潜在翻译模型交换紧凑的信念更新,该框架既保护了隐私,又降低了同步成本,减少了局部知识漂移。我们在一个分层的陆地/非陆地网络案例研究中验证了该框架,结果表明其在异构代理间维持了低同步成本(以传输参数数量衡量)和低信念对齐误差。
原文摘要 · Abstract (English)
6G networks will not be serving as communication infrastructures only; rather, they are expected to evolve into intelligent systems, where thousands of autonomous artificial intelligence (AI) agents are interconnected. The agents are deployed across a wide range of platforms including low Earth orbit (LEO) satellites, high-altitude platforms (HAPs), unmanned aerial vehicles (UAVs), edge servers, and terrestrial devices. These agents continuously observe their environment and exchange information. Semantic communication provides an efficient mechanism for exchanging meaningful information instead of raw data. However, its effectiveness depends on the communicating agents having sufficiently aligned beliefs to correctly interpret and decode the transmitted messages. This assumption becomes difficult to satisfy in the 6G network where heterogeneous AI models operate under diverse computational constraints and continuously acquire different knowledge from their local environments. This article presents a heterogeneity-aware belief synchronization framework for 6G AI-native networks. It uses latent translation models deployed on multi-access edge computing (MEC) servers. These models translate belief updates from one agent to agent-specific knowledge without requiring joint training and a homogeneous architecture of models. By exchanging compact belief updates through a latent translation model only when necessary, the framework preserves privacy, reduces synchronization cost, and minimizes local knowledge drift. We validate the framework through a case study on a multi-layered terrestrial/non-terrestrial network. Results demonstrate that it maintains low synchronization cost, measured by the number of parameters transmitted, and low belief alignment error across the heterogeneous agents in the case study.
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