Novel centralized base station architectures integrating computation and communication functionalities have become important for the development of future mobile communication networks.Therefore,the development of dyn...Novel centralized base station architectures integrating computation and communication functionalities have become important for the development of future mobile communication networks.Therefore,the development of dynamic high-speed interconnections between baseband units(BBUs)and remote radio heads(RRHs)is vital in centralized base station design.Herein,dynamic high-speed switches(HSSs)connecting BBUs and RRHs were designed for a centralized base station architecture.We analyzed the characteristics of actual traffic and introduced a switch traffic model suitable for the super base station architecture.Then,we proposed a data-priority-aware(DPA)scheduling algorithm based on the traffic model.Lastly,we developed the dynamic HSS model based on the OPNET platform and the prototype based on FPGA.Our results show that the DPA achieves close to 100%throughput with lower latency and provides better run-time complexity than iOCF and HE-iSLIP,thereby demonstrating that the proposed switch system can be adopted in centralized base station architectures.展开更多
针对水电站通信电源系统中存在的供电中断、监测缺失与单点故障等安全隐患,开展系统性更新与防护研究。通过更换高频电源系统、在线式不间断电源(Uninterruptible Power Supply,UPS)与蓄电池,部署电池在线监测系统与静态切换装置,构建...针对水电站通信电源系统中存在的供电中断、监测缺失与单点故障等安全隐患,开展系统性更新与防护研究。通过更换高频电源系统、在线式不间断电源(Uninterruptible Power Supply,UPS)与蓄电池,部署电池在线监测系统与静态切换装置,构建冗余无缝切换架构。实测结果验证了系统的各项性能指标均优于技术要求,在后备能力、切换时效性与监测精度方面表现出色。本研究为同类电力通信系统改造提供了可行路径与工程实践依据。展开更多
基金the key project of the National Science and Technology Major Project(Grant No.2018ZX03001017)the project of the CAS engineering laboratory for intelligent agricultural machinery equipment(Grant No.GC201907-02).
文摘Novel centralized base station architectures integrating computation and communication functionalities have become important for the development of future mobile communication networks.Therefore,the development of dynamic high-speed interconnections between baseband units(BBUs)and remote radio heads(RRHs)is vital in centralized base station design.Herein,dynamic high-speed switches(HSSs)connecting BBUs and RRHs were designed for a centralized base station architecture.We analyzed the characteristics of actual traffic and introduced a switch traffic model suitable for the super base station architecture.Then,we proposed a data-priority-aware(DPA)scheduling algorithm based on the traffic model.Lastly,we developed the dynamic HSS model based on the OPNET platform and the prototype based on FPGA.Our results show that the DPA achieves close to 100%throughput with lower latency and provides better run-time complexity than iOCF and HE-iSLIP,thereby demonstrating that the proposed switch system can be adopted in centralized base station architectures.
文摘针对水电站通信电源系统中存在的供电中断、监测缺失与单点故障等安全隐患,开展系统性更新与防护研究。通过更换高频电源系统、在线式不间断电源(Uninterruptible Power Supply,UPS)与蓄电池,部署电池在线监测系统与静态切换装置,构建冗余无缝切换架构。实测结果验证了系统的各项性能指标均优于技术要求,在后备能力、切换时效性与监测精度方面表现出色。本研究为同类电力通信系统改造提供了可行路径与工程实践依据。
