预警信息传播需求与通信网传播渠道匹配研究

doi:10.11959/j.issn.1000-0801.2022101

Abstract

Abstract:

Early warning information dissemination capacity is insufficient in timeliness, accuracy and wide coverage compared with the national emergency management system requirements.The dissemination demands were analyzed from early warning information receivers, emergency degree, receiving area and other factors.The early warning information transmission channels were extended to including cell broadcasting, Tiantong satellite and other communication networks.Then these channels were compared in the aspects of timeliness, accuracy, coverage and cost.For emergency responders and the public, according to typical scenarios, the matching scheme of early warning information communication channel selection was proposed, which laid a foundation for the optimization of communication channel.

Key words: early warning information dissemination, dissemination channel, communication network, matching scheme

CLC Number:

TP393

Jingli WANG, Yu ZHAO. Study on the matching scheme between early warning information dissemination demands and communication network dissemination channels[J]. Telecommunications Science, 2022, 38(5): 104-113.

Figures/Tables 7

References 19

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指标		传播渠道特点
指标		点对点短信	小区广播短信	移动互联网	5G消息	天通/北斗	集群通信	短波通信
信息传播关键指标	时效性	几分钟～几小时	秒级	几秒～几分钟	几秒～几分钟	秒级	秒级	秒级
	受众人群	应急人员/公众	公众	应急人员/公众	应急人员/公众	应急人员/公众	应急人员	应急人员/公众
	传播范围	非偏远地区和海上	非偏远地区和海上	非偏远地区和海上	非偏远地区和海上	全覆盖	城镇为主	海上等特定区域
	传播精度	几百米～几千米（指定人员）	几百米～几千米（基站小区）	几米～几百米（基于定位）	几米～几百米（基于定位）	几百千米（卫星波束）	几百米～几千米（群组）	几十千米～几百千米
	内容丰富性	简洁	简洁	丰富	丰富	简洁	简洁	简洁
	信息反馈	支持	不支持	支持	支持	广播方式不支持	支持	支持
	传播成本	中	低	低	中	高	中	中

传播场景		渠道匹配优先级
紧急事件	事件不影响公网	（1）电话/语音外呼
	公众通信网正常	（2）微信等移动互联网App
	（模式1）	（3）5G消息
		（4）移动通信网点对点短信
	事件影响公网	（1）集群语音（有网络支持）
	公众通信网异常	（2）卫星电话
	（模式2）	（3）卫星电话短信/北斗短信
非紧急事件		（1）微信等移动互联网App
（模式3）		（2）5G消息
		（3）移动通信网点对点短信
		（4）电话/语音外呼

传播场景	渠道匹配优先级
偏远地区和海上	（1）卫星电话
（模式4）	（2）短波电台
	（3）卫星电话短信/北斗短信

传播场景		渠道匹配优先级
立即采取措施		（1）移动通信小区广播
（模式1）		（2）移动互联网App（弹窗提示）
		（3）移动通信点对点短信
		（4）5G消息
尽快采取措施	车站广场人群聚集	（1）移动通信小区广播
	（需要区域精准）	（2）移动互联网App
	（模式2）	（3）移动通信点对点短信（通信大数据）
		（4）5G消息
	公共卫生事件	（1）移动通信点对点短信（通信大数据）
	（需要精准到人）	（2）微信等移动互联网App
	（模式3）	（3）5G消息
近期采取措施		（1）移动通信点对点短信
（模式3）		（2）移动互联网App
		（3）5G消息

传播场景	渠道匹配优先级
农村（模式4）	（1）移动通信小区广播
	（2）移动通信点对点短信
	（3）天通卫星系统广播，转接至大喇叭广播
	（4）北斗短报文广播，转接至大喇叭广播
	（5）短波电台广播，转接至大喇叭广播

Study on the matching scheme between early warning information dissemination demands and communication network dissemination channels

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传播场景	渠道匹配优先级
偏远地区和海上	（1）卫星广播，转接至大喇叭广播
（模式5）	（2）卫星电话短信/北斗短信，转接至大喇叭广播
	（3）短波电台，转接至大喇叭广播