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Main notification message sending and transmitting method of earthquake tsunami early warning system

A technology for notification messages and system messages, which is applied in the transmission and transmission of the main notification messages of the earthquake and tsunami early warning system, and can solve the problems of multiple system modifications.

Active Publication Date: 2012-09-26
中防(山东)装备制造有限公司
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Problems solved by technology

Since the content of the main notification message is relatively large, this method will lead to problems such as the segmentation of the main notification message and the modification of the existing paging message structure, and many modifications to the system

Method used

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  • Main notification message sending and transmitting method of earthquake tsunami early warning system
  • Main notification message sending and transmitting method of earthquake tsunami early warning system
  • Main notification message sending and transmitting method of earthquake tsunami early warning system

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Embodiment Construction

[0038] The technical solution of the present invention will be described in more detail below with reference to the drawings and embodiments.

[0039] The present invention proposes that on the Uu interface of the air interface, the basic message part of the main notification message uses the paging message to notify the UE, and the security information part uses the system message to notify the UE. The system information modification period immediately pages the UE and modifies the system information related to the ETWS main notification message without waiting until the next system information modification period. The core idea is: after receiving the main notification message, the eNB (evolved base station) immediately pages the UE, and immediately schedules and sends the system information including the security information part of the ETWS main notification message. After receiving the ETWS paging message, the UE immediately reads the Fetch system messages including ETWS ...

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Abstract

The invention discloses a main notification message sending and transmitting method of an earthquake tsunami early warning system. The transmitting method comprises the following steps: after receiving an ETWS main notification message on the network side, a base station gives out paging to UE to notice UE that an ETWS system message is received; an SIB-direction SI mapping message and an SI scheduling cycle carrying the ETWS main notification message are immediately added in the current system message modification cycle SIB1; then, SI is scheduled by immediately modifying the cycle in the current system message to send SIB carrying the ETWS main notification message to UE; according to the received paging message, UE finds that the ETWS system message is received and immediately reads the SIB1 message to obtain the SIB-direction SI mapping message and the SI scheduling cycle carrying the ETWS main notification message, so that SIB carrying the ETWS main notification message is read according to the SI scheduling message. The invention can realize that the ETWS main notification message can arrive at UE within four seconds.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for sending and transmitting main notification messages of an earthquake and tsunami early warning system. Background technique [0002] In order to actively respond to natural disasters such as earthquakes and tsunamis, it is necessary to establish an ETWS (Earthquake and Tsunami Warning System, Earthquake and Tsunami Warning System). By using this system, when an earthquake and tsunami natural disaster occurs, disaster-related information can be sent to users in a timely manner, thereby reducing the impact of the earthquake and tsunami natural disaster on human beings. [0003] figure 1 It is a network structure diagram of a PLMN (public land mobile network) operator providing earthquake and tsunami warning services to users through the ETWS system. When a disaster event is about to occur or occurs, the government or other institutions issue an alarm notification to the PLM...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/22H04W48/10H04W48/16H04W68/00H04W4/90
Inventor 汪孙节杜忠达马子江
Owner 中防(山东)装备制造有限公司
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