通过事件检测从噪声数据中识别参数与性能指标的真实依赖关系。
Event Detection for Parameter-to-KPI Dependency Learning for AI-RAN

- 将连续遥测数据转为二值事件信号,识别真实控制交互。
- 在信号明显高于背景噪声时可可靠恢复潜在依赖结构。
- 适合需要可解释AI-RAN控制的系统开发者与网络优化工程师。
下一代无线网络将依赖多个并行运行的AI驱动控制功能,协同优化不同网络目标,尤其在AI-RAN和O-RAN等集成开放架构中。这些功能相互作用时,其干扰关系难以仅从原始数据中察觉。管理此类交互的关键缺失环节是可信赖、可解释的依赖结构,以明确哪些控制参数在特定时刻影响哪些性能指标(KPI)。本文聚焦于支持此类依赖学习所需的事件检测步骤,将嘈杂的连续遥测数据转化为参数活动与KPI响应的二值指示信号。核心难点在于并非所有数据波动都代表真实控制交互,需区分真实关系与背景变化。由于真实AI-RAN流量数据中已知参数-KPI标注难以获取,我们引入一个带有预设潜在依赖关系的合成闭环流量生成器。利用该可控遥测数据评估基于机器学习的依赖恢复流水线,将连续轨迹转为二值事件信号的问题建模为显著性检测任务。实验表明,当信号显著高于背景噪声时,所提流水线能可靠恢复潜在依赖结构,同时揭示阈值校准是决定事件检测质量的关键因素。这些成果为自适应AI-RAN控制系统的可解释依赖学习奠定了基础。
原文摘要 · Abstract (English)
Next-generation wireless networks are expected to rely on multiple concurrent AI-driven control functions that optimize different network objectives simultaneously, particularly in AI-integrated and open radio access network architectures such as AI Radio Access Network (AI-RAN) and Open Radio Access Network (O-RAN). When these functions interact, they can interfere with one another in ways that are difficult to detect from raw network data alone. A key missing piece for managing such interactions is a reliable, interpretable dependency structure that captures which control parameters are actively influencing which network performance outcomes at any given time. This paper focuses on the event-detection step needed to support such dependency learning by converting noisy continuous telemetry into binary indicators of parameter activity and KPI response. The central difficulty is that not every fluctuation in the data reflects a genuine control interaction, so the method must distinguish real parameter-outcome relationships from background variation. Because real AI-RAN traffic traces with known parameter-KPI ground truth are difficult to obtain, we introduce a synthetic closed-loop traffic generator with planted latent dependencies. We use this controlled telemetry to evaluate a machine-learning-based dependency recovery pipeline that formulates the conversion of continuous traces into binary event indicators as a significance-detection problem. Experimental evaluation shows that the proposed pipeline reliably recovers the latent dependency structure from noisy continuous traces when the signal is sufficiently separated from background variation, while highlighting threshold calibration as the key factor controlling event-detection quality. These results constitute a foundational step toward interpretable dependency learning for adaptive AI-RAN control systems.
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