在5G切片网络中使用加权指数和对数函数进行调度分配以提高质量
1Network and Information Center, Guilin Tourism University, Guilin, 541000, Guangxi, China.
Scientific reports
|September 1, 2025
概括
紧急服务需要可靠的5G网络. 一个新的混合加权指数和对数规则 (HWEL RULE) 调度器通过减少关键应用程序的数据包丢失和延迟来提高服务质量 (QoS).
科学领域:
- 电信工程
- 网络性能优化
- 5G网络切片
背景情况:
- 第五代 (5G) 网络提供多种服务,但对于紧急服务来说,维持服务质量 (QoS) 是一个挑战.
- 现有的调度方法如指数规则 (EXP RULE) 需要优化以减少数据包丢失和延迟.
- 5G网络的异质性能要求需要先进的资源配置策略.
研究的目的:
- 提出混合加权指数和对数规则 (HWEL规则) 以提高5G切片网络的质量.
- 通过整合加权对数函数来实现动态资源分配来改进EXP规则.
- 确保为紧急通讯提供可靠和高效的媒体丰富服务.
主要方法:
- 开发了HWEL规则,将加权对数函数集成到EXP规则框架中.
- 在网络功能虚拟化 (NFV) 的雾无线接入网络 (F-RAN) 中实现基带单元 (BBU) 资源的动态分配.
- 使用LTE-Sim模拟网络性能,专注于超可靠的低延迟通信 (URLLC),增强的移动宽带 (eMBB) 和大规模机器类型通信 (mMTC).
主要成果:
- HWEL RULE实现了高达30.06%的数据包丢失率.
- 显示显著的延迟减少:视频流量为21%,IP语音 (VoIP) 为23.5%.
- 与EXP RULE相比,产量增加了8.6%,公平性提高了1.2%.
结论:
- 在5G切片网络中,HWEL RULE有效地提高了 QoS 度量,特别是在实时紧急服务中.
- 拟议的方法为现有的5G架构提供了兼容的增强.
- 在关键通信场景中,HWEL RULE提供了一种可行的解决方案,以支持异构的流量需求和提高可靠性.
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