用扩散模型生成无线网络优化轨迹,实时响应不同服务质量需求。
DRL Optimization Trajectory Generation via Wireless Network Intent-Guided Diffusion Models for Optimizing Resource Allocation
- 基于扩散模型生成网络优化路径,由用户意图引导
- 动态系统中频谱效率波动更小,优于传统DRL模型
- 可定制化适配不同QoS需求,适合未来智能网络
随着低空经济、6G和Wi-Fi等无线通信技术的快速发展,无线网络规模持续扩大,对服务质量的要求日益提高。传统基于深度强化学习(DRL)的优化模型虽能智能求解非凸优化问题,但依赖在线部署且需大量初始训练。在线DRL模型通常基于当前信道状态分布做出准确决策,当分布变化时泛化能力下降,难以满足实时高可靠无线通信的需求。此外,不同用户在不同场景下的服务质量(QoS)要求各异,传统在线DRL方法难以适应这种差异性。因此,探索灵活可定制的AI策略至关重要。本文提出一种基于生成式扩散模型(GDM)的无线网络意图(WNI)引导轨迹生成模型。该模型可实时生成与微调,实现目标意图网络的优化目标并满足约束条件,显著降低无线通信中的状态信息暴露。同时,该方法可根据不同QoS需求进行定制,提升未来智能网络的整体通信质量。大量仿真结果表明,所提方法在动态通信系统中具有更高的频谱效率稳定性,优于传统DRL优化模型。
原文摘要 · Abstract (English)
With the rapid advancements in wireless communication fields, including low-altitude economies, 6G, and Wi-Fi, the scale of wireless networks continues to expand, accompanied by increasing service quality demands. Traditional deep reinforcement learning (DRL)-based optimization models can improve network performance by solving non-convex optimization problems intelligently. However, they heavily rely on online deployment and often require extensive initial training. Online DRL optimization models typically make accurate decisions based on current channel state distributions. When these distributions change, their generalization capability diminishes, which hinders the responsiveness essential for real-time and high-reliability wireless communication networks. Furthermore, different users have varying quality of service (QoS) requirements across diverse scenarios, and conventional online DRL methods struggle to accommodate this variability. Consequently, exploring flexible and customized AI strategies is critical. We propose a wireless network intent (WNI)-guided trajectory generation model based on a generative diffusion model (GDM). This model can be generated and fine-tuned in real time to achieve the objective and meet the constraints of target intent networks, significantly reducing state information exposure during wireless communication. Moreover, The WNI-guided optimization trajectory generation can be customized to address differentiated QoS requirements, enhancing the overall quality of communication in future intelligent networks. Extensive simulation results demonstrate that our approach achieves greater stability in spectral efficiency variations and outperforms traditional DRL optimization models in dynamic communication systems.
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