United States Patent 9,819,427
Wang , et al. November 14, 2017
Emergency information in system information broadcast
Abstract
A method and apparatus for providing an ETWS message to a wireless transmit receive unit (WTRU). The WTRU is configured to receive a paging message indicating a change in system information, wherein in response to the paging message to receive a system information block (SIB) 1 to determine a schedule for reception of earthquake and tsunami warning system (ETWS) information in system information blocks (SIBs). The WTRU is further configured to receive the SIBs with the ETWS information and to separately receive segments of an ETWS message and to combine the segments to reproduce the ETWS message.
Inventors:
Wang; Peter S. (East Setauket, NY), Zhang; Guodong (Syosset, NY), Somasundaram; Shankar (Sunnyvale, CA)
Applicant:
Name
City
State
Country
Type
InterDigital Patent Holdings, Inc.
Wilmington
DE
US
Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)
Family ID:
1000002949204
Appl. No.:
14/671,072
Filed:
March 27, 2015
Prior Publication Data
Document Identifier
Publication Date
US 20150200734 A1 Jul 16, 2015
Related U.S. Patent Documents
Application Number
Filing Date
Patent Number
Issue Date
12486029 Jun 17, 2009 9008605
61074229 Jun 20, 2008
Current U.S. Class: 1/1
Current CPC Class: H04H 20/59 (20130101); H04H 20/72 (20130101); H04W 76/007 (20130101); H04W 4/22 (20130101); H04W 48/10 (20130101); H04W 28/06 (20130101)
Current International Class: H04M 11/04 (20060101); H04H 20/59 (20080101); H04H 20/72 (20080101); H04W 76/00 (20090101); H04W 4/22 (20090101); H04W 28/06 (20090101); H04W 48/10 (20090101)
PPP
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