首个融合云与6G基础设施的实验即服务系统，支持自然语言设计无线实验。
Toward Experimentation-as-a-Service in 5G/6G: The Plaza6G Prototype for AI-Assisted Trials
- 用自然语言通过网页或API设计实验，降低使用门槛。
- 支持子十分钟内完成CI/CD集成，实现实时空中测试。
- 适合无线研发、自动化测试及科研人员快速验证方案。
本文介绍Plaza6G，首个将云资源与下一代无线基础设施融合的实验即服务（ExaS）平台。该平台由巴塞罗那CTTC开发，整合了GPU加速计算集群、多个5G核心网（包括Free5GC和Cumucore）、可编程无线接入网（RAN）以及物理或仿真终端设备，在统一编排下运行。用户可通过网页门户或REST API以自然语言描述实验，平台内置基于大语言模型（LLM）的助手，采用检索增强生成（RAG）获取最新知识，并通过低秩适配（LoRA）持续领域微调。实地测试利用四室消声室和双站点室外5G网络，覆盖sub-6 GHz与mmWave频段。演示包括在十分钟内完成的CI/CD自动化集成，以及可在可编程传播条件下进行的交互式空中测试。机器可读的实验描述符保障可复现性，未来工作将聚焦策略感知编排、安全验证与联邦测试平台集成，推动开放、可复现的无线实验生态。
原文摘要 · Abstract (English)
This paper presents Plaza6G, the first operational Experiment-as-a-Service (ExaS) platform unifying cloud resources with next-generation wireless infrastructure. Developed at CTTC in Barcelona, Plaza6G integrates GPU-accelerated compute clusters, multiple 5G cores, both open-source (e.g., Free5GC) and commercial (e.g., Cumucore), programmable RANs, and physical or emulated user equipment under unified orchestration. In Plaza6G, the experiment design requires minimal expertise as it is expressed in natural language via a web portal or a REST API. The web portal and REST API are enhanced with a Large Language Model (LLM)-based assistant, which employs retrieval-augmented generation (RAG) for up-to-date experiment knowledge and Low-Rank Adaptation (LoRA) for continuous domain fine-tuning. Over-the-air (OTA) trials leverage a four-chamber anechoic facility and a dual-site outdoor 5G network operating in sub-6~GHz and mmWave bands. Demonstrations include automated CI/CD integration with sub-ten-minute setup and interactive OTA testing under programmable propagation conditions. Machine-readable experiment descriptors ensure reproducibility, while future work targets policy-aware orchestration, safety validation, and federated testbed integration toward open, reproducible wireless experimentation.
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