地面数字电视单频网智慧运维关键技术研究  

Research on Key Technologies for Intelligent Operation and Maintenance of DTMB Single Frequency Network

作　　者：尹衍斌 Yin Yanbin(Academy of Broadcasting Science,NRTA,Beijing 100866,China)

机构地区：[1]国家广播电视总局广播电视科学研究院,北京100866

出　　处：《广播与电视技术》2024年第7期74-78,共5页Radio & TV Broadcast Engineering

基　　金：国家广播电视总局广播电视科学研究院基本科研业务费项目“国标地面数字电视单频网管理方法与技术研究”经费支持。

摘　　要：本文阐述了国标地面数字电视单频网运维过程中可能遇到的主要问题,给出了智慧运维的系统架构和所用到的关键技术,包括运维思路转变、优化分析工具集成、电波传播模型分析、遗传算法引入以降低优化成本、构建信道载噪比模型贴近真实环境,以及区域加权法提升优化实用性等,为单频网智慧运维提供技术参考。This article elaborates on the main problems that may be encountered during the operation and maintenance of the DTMB single frequency network.It provides the system architecture and key technologies used for intelligent operation and maintenance,including the transformation of operation and maintenance ideas,integration of optimization analysis tools,analysis of radio wave propagation models,the introduction of genetic algorithms to reduce optimization costs,construction of a channel carrier to noise ratio model that is close to the real environment,and regional weighting method to improve optimization practicality,providing technical references for the intelligent operation and maintenance of single frequency networks.

关 键 词：国标地面数字电视 单频网 智慧运维 无线发射 

分 类 号：TN93[电子电信—信号与信息处理] TN94[电子电信—信息与通信工程] G22[文化科学]