This 5G Americas white paper discusses PWS and other alert systems in the Americas. Many countries in the Americas have deployed and are in the process of enhancing PWS. Industry participants in the U.S. and Canada have developed standards and have collaborated with 3GPP in developing standardized functionality for PWS. The goal of this paper is to advocate for the use of cell broadcast-based systems for PWS and inform vendors, operators and regulatory authorities of the benefits associated with such systems. In addition to discussing the cell broadcast-based systems as defined in 3GPP, this paper will also discuss international roaming support for PWS. Another objective is to gain an understanding of varied emergency alert systems currently in use throughout the Americas.
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