面向无线网络中断抗脆弱响应的动态速率分裂分组
Dynamic Rate Splitting Grouping for Antifragile Responses to Wireless Network Disruptions
AI总结：
针对无线网络易受阻塞导致性能下降的问题，提出动态速率分裂分组方法，可缓解阻塞影响，实现抗脆弱恢复，性能超越中断前水平。
摘要：
对要求高可靠性与容错性的应用而言，其对无线网络架构的依赖正不断增长。这类架构高度依赖无线信道，因此易受信道损伤与阻塞影响。为确保系统功能正常，尤其是安全关键型应用的功能，需要在物理层部署鲁棒的应对措施。针对这一问题，本研究提出采用动态速率分裂（Rate Splitting，RS）分组方法作为阻塞发生时的弹性恢复机制。速率分裂（RS）可有效管理网络内的干扰，但在中断和阻塞场景下会面临挑战：此时最低解码速率决定了公共速率，且可用信道链路减少会导致干扰加剧，进而造成系统性能下降。作为针对性策略，本研究利用RS缓解阻塞带来的影响，在中断期间维持系统效率与性能。实际上，引入新的RS分组能够探索资源分配问题的全新解决方案，其性能有望超越阻塞发生前采用的方案。研究结果表明，通过采用动态RS分组，网络展现出抗脆弱恢复响应，不仅能从中断中恢复，还能超越初始性能水平。
英文摘要：
The reliance on wireless network architectures for applications demanding high reliability and fault tolerance is growing. These architectures heavily depend on wireless channels, making them susceptible to impairments and blockages. Ensuring functionality, particularly for safety-critical applications, demands robust countermeasures at the physical layer. In response, this work proposes the utilization of a dynamic Rate Splitting (RS) grouping approach as a resilience mechanism during blockages. RS effectively manages interference within networks but faces challenges during outages and blockages, where system performance can deteriorate due to the lowest decoding rate dictating the common rate and increased interference from fewer available channel links. As a strategic countermeasure, RS is leveraged to mitigate the impact of blockages, maintaining system efficiency and performance amidst disruptions. In fact, the introduction of new RS groups enables the exploration of novel solutions to the resource allocation problem, potentially outperforming those adopted before the occurrence of a blockage. As it turns out, by employing the dynamic RS grouping, the network exhibits an antifragile recovery response, showcasing the network's ability to not only recover from disruptions but also surpass its initial performance.
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