Patent ID: 8792910
Filing Date: 2014-07-29
Classification: G01S,H04B,H04L,H04M,H04W,Y02D

Abstract:
1. A method in a first service-related node for providing a deferred distance notification for at least two user devices, said method comprising the steps of: receiving from a second service-related node, a request for a deferred distance notification for the at least two user devices, wherein the request comprises user device identification data for the at least two user devices and a plurality of distance-related event criteria for the at least two user devices; sending to a third service-related node, a request for the location of the at least two user devices; receiving from the third service-related node, location data of the at least two user devices; determining geographical distances between the at least two user devices or between each user device and a reference device based on the location data of the at least two user devices and a known location of the reference device; monitoring fulfillment of the plurality of distance-related event criteria for the at least two user devices based on the determined geographical distances between the at least two user devices or between each user device and a reference device, wherein the distance-related event criteria include: triggering the deferred distance notification when an event criterion of the plurality of distance-related event criteria is fulfilled; and sending the triggered deferred distance notification of the user device distance event to the second service node.