1、 AMERICAN NATIONAL STANDARD FOR TELECOMMUNICATIONS ATIS-0700014.v002 ATIS Implementation Guidelines for CMSP Handling of CMAS Supplemental Information Broadcast Revision 2As a leading technology and solutions development organization, the Alliance for Telecommunications Industry Solutions (ATIS) bri
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11、ational Standards may receive current information on all standards by calling or writing the American National Standards Institute. Notice of Disclaimer October, 2009 including J-STD-101.a, Supplement A to J-STD-101, Joint ATIS/TIA CMAS Alert Gateway to CMSP Gateway Interface Specification; August 2
12、011 and including J-STD-101.b, Supplement B to J-STD-101, Joint ATIS/TIA CMAS Alert Gateway to CMSP Gateway Interface Specification; December 2012.11This document is available from the Alliance for Telecommunications Industry Solutions (ATIS) ATIS-0700014 2 Ref 2 ATIS-0700006, CMAS via GSM/UMTS Cell
13、 Broadcast Service Specification; March, 2010 including ATIS-0700006.a, Supplement A to ATIS-0700006, CMAS via GSM/UMTS Cell Broadcast Service Specification; January 2013.2Ref 3 ATIS-0700007, Implementation Guidelines and Best Practices for GSM/UMTS Cell Broadcast Service Specification; October 2009
14、.3Ref 4 ATIS-0700008, Cell Broadcast Entity (CBE) to Cell Broadcast Center (CBC) Interface Specification; March 2010.4Ref 5 ATIS-0700010, CMAS via EPS Public Warning System Specification; August 2010 including ATIS-0700010.a, Supplement A to ATIS-0700010, CMAS via EPS Public Warning System Specifica
15、tion; January 2013.5Ref 6 ATIS-0700012.v002, Implementation Guidelines for CMAS Supplemental Information Retrieval, Revision 2; September 2015.6Ref 7 FCC 08-99, Federal Communications Commission First Report and Order In the Matter of The Commercial Mobile Alert System; April 9, 2008.7Ref 8 ATIS-070
16、0013, Implementation Guidelines for Mobile Device Support for Multi-Language CMAS; April 2012.8Ref 9 J-STD-100, Joint ATIS/TIA CMAS Mobile Device Behavior Specification; January 30, 2009 including J-STD-100.a, Supplement A to J-STD-100, Joint ATIS/TIA CMAS Mobile Device Behavior Specification; Decem
17、ber 2012.9 Ref 10 3GPP TS 23.038, 3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Alphabets and language-specific information.103 Definitions, Acronyms, and 2) initiate the steps to broadcast a new CMAS alert message with the updated CMAS alert text. If
18、two CMAS messages are being broadcast (English and Spanish) for a previously received Alert or Update message, the CMSP Gateway stops broadcasting both CMAS messages (English and Spanish). 1. The Federal Alert Gateway receives an update of a previously received CMAS alert or CMAS alert update messag
19、e. 2. The Federal Alert Gateway sends a CMAC_Update message to the CMSP Gateway. The CMAC_Update message indicates the language as English and contains the updated displayable CMAS alert text in English. In this example, the Message Number associated with the CMAC_Update message is 2000. The Referen
20、ced Message Number (i.e., the Message Number associated with the previous CMAC_Alert or CMAC_Update message that is being updated now) is 1000. The CMAC_Update message also includes a CMAC_note indicating the presence of a Spanish language alert text along with the URI where the Spanish language ale
21、rt text is stored in the Federal Alert Gateway. 3. The CMSP Gateway sends a CBEM_Cancel message to the CBC. The Message Identifier value of the to-be-cancelled CMAS alert message is in the range 4370-to-4382. The Referenced Message Number (i.e., the Message Number associated with the CBEM message th
22、at has the to-be-cancelled CMAS alert message) is 100. The CMAS alert text of the to-be-cancelled message is in English (but no such indication is required in the CBEM_Cancel message). 4. The CBC sends a Kill message to the CMSP Infrastructure. The Message Identifier value of the to-be-cancelled CBS
23、 message is in the range 4370-to-4382. The Old Serial Number (i.e., the Serial Number associated with the to-be-cancelled CBS message) is 10. 5. The CMSP Infrastructure stops broadcasting the CBS message with the indicated Message Identifier value and the Old Serial Number. Thus, the broadcasting of
24、 the CMAS alert message in English is cancelled. 6. The CMSP Gateway sends a CBEM_Cancel message to the CBC. The Message Identifier value of the to-be-cancelled CMAS alert message is in the range 4383-to-4395. The Referenced Message Number (i.e., the Message Number associated with the CBEM message t
25、hat has the to-be-cancelled CMAS alert message) is 200. The CMAS alert text of the to-be-cancelled message is in Spanish (but no such indication is required in the CBEM_Cancel message). 7. The CBC sends a Kill message to the CMSP Infrastructure. The Message Identifier value of the to-be-cancelled CB
26、S message is in the range 4383-to-4395. The Old Serial Number (i.e., the Serial Number associated with the to-be-cancelled CBS message) is 20. 8. The CMSP Infrastructure stops broadcasting the CBS message with the indicated Message Identifier value and the Old Serial Number. Thus, the broadcasting o
27、f CMAS alert message in Spanish is cancelled. 9. The CMSP Gateway sends a CBEM_Alert message to the CBC. The CBEM_Alert message indicates the language as English and contains the CMAS alert text in English. The Message Identifier value is in the range 4370-to-4382. In this example, the Message Numbe
28、r associated with the CBEM_Alert message is 300. 10. The CBC sends a Write-Replace message to the CMSP Infrastructure. The Data Coding Scheme IE identifies the language as English (01)hex with the displayable CMAS alert text in English. The Message Identifier value is in the range 4370-to-4382 (same
29、 as in step 9). In this example, the Serial Number is 30. 11. The Alert Message is broadcast and is received by the English UE and the Spanish UE. The Data Coding Scheme IE identifies the language as English (01)hex with the displayable CMAS alert text in English. The Message Identifier value is in
30、the range 4370-to-4382 (same as in step 10). The Serial Number is 30 (same as in step 10). 12. The English UE presents (i.e., displays) the CMAS alert text in English to the user. 13. The Spanish UE presents (i.e., displays) the CMAS alert text in English to the user. ATIS-0700014 15 14. The CMSP po
31、licy indicates that the CMAS alert message may also have to be broadcast with Spanish-language CMAS alert text. 15. Since the CMAC_note indicates the presence of a Spanish language alert text, the CMSP Gateway retrieves the updated CMAS alert text in Spanish from the Federal Alert Gateway using the
32、CMAS Supplemental Information Retrieval mechanism (which, in turn, uses the CAP retrieval method). The CMSP Gateway supplies the URI that it received in step 2 to the Federal Alert Gateway. 16. The Federal Alert Gateway returns the CMAS Supplemental Information containing the updated Spanish-languag
33、e CMAS alert text to the CMSP Gateway. 17. The CMSP Gateway sends a CBEM_Alert message to the CBC. The CBEM_Alert message contains the Spanish-language CMAS alert text. The Message Identifier value is in the range 4383-to-4395. In this example, the Message Number associated with the CBEM_Alert messa
34、ge is 400. 18. The CBC sends a Write-Replace message to the CMSP Infrastructure. The Data Coding Scheme IE identifies the language as Spanish (04)hex with the displayable CMAS alert text in Spanish. The Message Identifier value is in the range 4383-to-4395 (same as in step 17). In this example, the
35、Serial Number is 40. 19. The Alert Message is broadcast and is received by the English UE and the Spanish UE. The Data Coding Scheme IE identifies the language as Spanish (04)hex with the displayable CMAS alert text in Spanish. The Message Identifier value is in the range 4383-to-4395 (same as in st
36、ep 18). The Serial Number is 40 (same as in step 18). 20. The English UE discards the message without presenting (i.e., without displaying) the CMAS alert text in Spanish to the user. 21. The Spanish UE presents (i.e., displays) the Spanish-language CMAS alert text to the user. 6.4 End-to-End Concep
37、tual View of Cancellation of CMAS Alert Broadcasts in English & Spanish This call flow illustrates a conceptual end-to-end view of a CMAS Alert in English and in Spanish being cancelled. The values shown for Referenced Message Number and Old Serial Number are just examples. Figure 6.6 End-to-End Con
38、ceptual View of Cancellation of CMAS Alert Broadcasts in English and Spanish Steps 6, 7, and 8 illustrate the Cancellation of the Spanish-language CMAS Alert broadcast and may occur in parallel with steps 3, 4, and 5 that show the cancellation of English-language CMAS Alert broadcast. Clause 6.4.1 C
39、ancellation CMAS Alert Broadcasts in English and Spanish Call Flow illustrates the cancellation of CMAS Alert broadcasts in English and Spanish. ATIS-0700014 16 Descriptive Text for the Steps If two CMAS alert messages are being broadcast (English and Spanish) for a previously received Alert or Upda
40、te message, then the CMSP Gateway will stop the broadcasting both the CMAS alert messages (English and Spanish). 1. The Federal Alert Gateway receives a cancel request for a previously received CMAS alert or a CMAS alert update message. 2. The Federal Alert Gateway sends a CMAC_Cancel message to the
41、 CMSP Gateway. The Referenced Message Number (i.e., the Message Number associated with the previous CMAC_Alert or CMAC_Update message that is being cancelled now) is 1000. 3. The CMSP Gateway sends a CBEM_Cancel message to the CBC. The Message Identifier value of the to-be-cancelled CMAS alert messa
42、ge is in the range 4370-to-4382. The Referenced Message Number (i.e., the Message Number associated with the CBEM message that has the to-be-cancelled CMAS alert message) is 100. The CMAS alert text of the cancelled message is in English (but no such indication is required in the CBEM_Cancel message
43、). 4. The CBC sends a Kill message to the CMSP Infrastructure. The Message Identifier value of the to-be-cancelled CBS message is in the range 4370-to-4382. The Old Serial Number (i.e., the Serial Number associated with the to-be-cancelled CBS message) is 10. 5. The CMSP Infrastructure stops broadca
44、sting the CBS message with the indicated Message Identifier value and the Old Serial Number. Thus, the broadcasting of CMAS alert message in English is cancelled. 6. The CMSP Gateway sends a CBEM_Cancel message to the CBC. The Message Identifier value of the to-be-cancelled CMAS alert message is in
45、the range 4383-to-4395. The Referenced Message Number (i.e., the Message Number associated with the CBEM message that has the to-be-cancelled CMAS alert message) is 200. The CMAS alert text of the to-be-cancelled message is in Spanish (but no such indication is required in the CBEM_Cancel message).
46、7. The CBC sends a Kill message to the CMSP Infrastructure. The Message Identifier value of the to-be-cancelled CBS message is in the range 4383-to-4395. The Old Serial Number (i.e., the Serial Number associated with the to-be-cancelled CBS message) is 20. 8. The CMSP Infrastructure stops broadcasti
47、ng the CBS message with the indicated Message Identifier value and the Old Serial Number. Thus, the broadcasting of CMAS alert message in Spanish is cancelled. 6.4.1 Cancellation CMAS Alert Broadcasts in English & Spanish Call Flow This flow illustrates the cancellation of CMAS Alert broadcast in En
48、glish and Spanish. The values 100 and 200 for Message Number and the values 10 and 20 for Serial Number are just examples. A combination of Message ID and Serial Number uniquely identify a Cell Broadcast Service (CBS) message for a given area. In the example, the Message ID 4370 and Serial Number 10
49、 identify the CBS message that carries the English-language CMAS Alert. The Message ID 4383 and the Serial Number 20 identify the CBS message that carries the Spanish-language CMAS Alert. ATIS-0700014 17 CMSP Gateway CBCCMSP InfrastructureGSM: BSC/BTSUMTS: RNC/Node BLTE: MME/eNodeBEnglishUESpanishUE2. CBEM_CancelMessage ID: 4370Referenced Message Number: 1003. CBC validates message6. KILLMessage ID: 4370Old Serial Number: 104. Acknowledgement7. Broadcast stopped8. KILL COMPLETEMessage ID: 4370Serial Number: 109. Retrieve information about the old S
