摘要
小区广播技术作为发布公共应急警报最有效的技术,具有受众广、发送快、区域性等特点,且不受网络拥塞的影响,可以有效解决预警信息传播"最后一公里"的瓶颈问题,在世界范围内得到了广泛的应用。本文介绍了基于小区广播的公共预警信息发布系统现状、小区广播技术优势及基本框架、国内外标准化进展。
Cell Broadcast is the most effective technology of delivering public warning alerts in emergency situation.It has the characteristics of wide audience,realtime,location-specific even under congestion situation to solve the bottleneck of last mile for warning alert transmission.This paper introduces the status quo of public warning system based on cell broadcast,the advantages and main architecure of cell braodcast service,and its standardization progress worldwide.
作者
李晓华
郄卫军
姚平
LI Xiaohua;QIE Weijun;YAO Ping
出处
《信息通信技术与政策》
2019年第11期31-35,共5页
Information and Communications Technology and Policy
关键词
公共预警系统
小区广播
安全机制
public warning system
cell braodcast service
security mechanism
