Patent ID: 9622040
Date: 2017-04-11
CPC Classifications: G01C,G01S,H04W

Claim:
1. An apparatus, the apparatus comprising at least one processor and at least one memory having computer-readable code stored thereon which when executed controls the at least one processor to cause the apparatus to: transmit angle-of-departure positioning messages from which a mobile device can calculate a direction to the mobile device from the apparatus; and transmit a point of interest packet data unit for providing an emergency navigation service to a mobile device, the point of interest packet data unit comprising first data indicating a location of a first emergency point of interest and data indicating that the location relates to an emergency point of interest, wherein the location of the first emergency point of interest is different than a location of the apparatus, and wherein the point of interest packet data unit additionally comprises second data indicating a location of a second point of interest, third data indicating a location of a third point of interest, and data indicating that the locations of the second and third points of interest relate to emergency points of interest.