随着通信技术的不断发展,VoLTE(Voice over LTE)技术凭借其高清语音和视频通话的优势,为120调度系统带来了新的机遇。阐述了VoLTE技术的基本原理、优势及其在服务行业的应用现状,特别是其在客服领域的成功案例。介绍了120调度系统的现...随着通信技术的不断发展,VoLTE(Voice over LTE)技术凭借其高清语音和视频通话的优势,为120调度系统带来了新的机遇。阐述了VoLTE技术的基本原理、优势及其在服务行业的应用现状,特别是其在客服领域的成功案例。介绍了120调度系统的现状与挑战,分析了传统调度系统在通信效率和远程指导能力方面的瓶颈。在此基础上提出VoLTE技术在120调度系统中的集成方案,包括网络基础设施升级、调度系统软件集成和终端设备适配。通过实际应用效果评估,结果表明VoLTE技术显著提升了120调度系统的通信效率和急救响应能力,为未来120调度系统的智能化、信息化发展提供了有力支持。展开更多
长期演进语音承载(Voice over Long-Term Evolution,VoLTE)作为主流语音业务,在高并发接入和跨域切换场景下易出现信令拥塞、掉话及语音质量波动等问题。5G凭借低时延、大带宽和广覆盖特性,为隐患分析提供了新支撑。因此,研究5G在VoLTE...长期演进语音承载(Voice over Long-Term Evolution,VoLTE)作为主流语音业务,在高并发接入和跨域切换场景下易出现信令拥塞、掉话及语音质量波动等问题。5G凭借低时延、大带宽和广覆盖特性,为隐患分析提供了新支撑。因此,研究5G在VoLTE网络潜在隐患分析中的应用,包括多维度隐患数据采集、实时监测与异常检测、隐患预测与快速定位。应用结果表明,基于5G的隐患分析能提升VoLTE网络的可靠性和用户体验。展开更多
In this paper,a model free volt/var control(VVC)algorithm is developed by using deep reinforcement learning(DRL).We transform the VVC problem of distribution networks into the network framework of PPO algorithm,in ord...In this paper,a model free volt/var control(VVC)algorithm is developed by using deep reinforcement learning(DRL).We transform the VVC problem of distribution networks into the network framework of PPO algorithm,in order to avoid directly solving a large-scale nonlinear optimization problem.We select photovoltaic inverters as agents to adjust system voltage in a distribution network,taking the reactive power output of inverters as action variables.An appropriate reward function is designed to guide the interaction between photovoltaic inverters and the distribution network environment.OPENDSS is used to output system node voltage and network loss.This method realizes the goal of optimal VVC in distribution network.The IEEE 13-bus three phase unbalanced distribution system is used to verify the effectiveness of the proposed algorithm.Simulation results demonstrate that the proposed method has excellent performance in voltage and reactive power regulation of a distribution network.展开更多
在LTE网络大规模部署的现阶段,4G用户规模和业务量持续攀高,4G手机渗透率迅速提升,而语音业务作为运营商重要的收入来源,其重要性不言而喻。针对LTE的语音终极实现方案VoLTE(Voice over LTE),研究了实现VoLTE的关键技术,分析了影响语音...在LTE网络大规模部署的现阶段,4G用户规模和业务量持续攀高,4G手机渗透率迅速提升,而语音业务作为运营商重要的收入来源,其重要性不言而喻。针对LTE的语音终极实现方案VoLTE(Voice over LTE),研究了实现VoLTE的关键技术,分析了影响语音质量的多种因素,提出了一种基于E-model的VoLTE语音性能评估方法,在LTE网络率先部署的密集城区场景中,基于不同网络配置和并发用户数,对VoLTE业务性能进行仿真,并采用E模型进行语音质量分析,最终实现对VoLTE的语音性能评估。展开更多
文摘随着通信技术的不断发展,VoLTE(Voice over LTE)技术凭借其高清语音和视频通话的优势,为120调度系统带来了新的机遇。阐述了VoLTE技术的基本原理、优势及其在服务行业的应用现状,特别是其在客服领域的成功案例。介绍了120调度系统的现状与挑战,分析了传统调度系统在通信效率和远程指导能力方面的瓶颈。在此基础上提出VoLTE技术在120调度系统中的集成方案,包括网络基础设施升级、调度系统软件集成和终端设备适配。通过实际应用效果评估,结果表明VoLTE技术显著提升了120调度系统的通信效率和急救响应能力,为未来120调度系统的智能化、信息化发展提供了有力支持。
文摘长期演进语音承载(Voice over Long-Term Evolution,VoLTE)作为主流语音业务,在高并发接入和跨域切换场景下易出现信令拥塞、掉话及语音质量波动等问题。5G凭借低时延、大带宽和广覆盖特性,为隐患分析提供了新支撑。因此,研究5G在VoLTE网络潜在隐患分析中的应用,包括多维度隐患数据采集、实时监测与异常检测、隐患预测与快速定位。应用结果表明,基于5G的隐患分析能提升VoLTE网络的可靠性和用户体验。
基金supported by the Science and Technology Project of State Grid Zhejiang Electric Power Co.,Ltd.under Grant B311JY21000A。
文摘In this paper,a model free volt/var control(VVC)algorithm is developed by using deep reinforcement learning(DRL).We transform the VVC problem of distribution networks into the network framework of PPO algorithm,in order to avoid directly solving a large-scale nonlinear optimization problem.We select photovoltaic inverters as agents to adjust system voltage in a distribution network,taking the reactive power output of inverters as action variables.An appropriate reward function is designed to guide the interaction between photovoltaic inverters and the distribution network environment.OPENDSS is used to output system node voltage and network loss.This method realizes the goal of optimal VVC in distribution network.The IEEE 13-bus three phase unbalanced distribution system is used to verify the effectiveness of the proposed algorithm.Simulation results demonstrate that the proposed method has excellent performance in voltage and reactive power regulation of a distribution network.
文摘在LTE网络大规模部署的现阶段,4G用户规模和业务量持续攀高,4G手机渗透率迅速提升,而语音业务作为运营商重要的收入来源,其重要性不言而喻。针对LTE的语音终极实现方案VoLTE(Voice over LTE),研究了实现VoLTE的关键技术,分析了影响语音质量的多种因素,提出了一种基于E-model的VoLTE语音性能评估方法,在LTE网络率先部署的密集城区场景中,基于不同网络配置和并发用户数,对VoLTE业务性能进行仿真,并采用E模型进行语音质量分析,最终实现对VoLTE的语音性能评估。
