Patent ID: 8995393
Filing Date: 2015-03-31
Classification: G01S,H04W

Abstract:
1. A method in a positioning node for providing complementary assistance data to be used by a user equipment during a positioning session for determining a position of the user equipment, wherein a change from a first cell to a second cell occurs during the positioning session, wherein the user equipment is served by the first cell and is configured to receive control information from the first cell before the change, wherein the user equipment is served by the second cell and is configured to receive control information from the second cell after the change, the method comprising: obtaining information identifying the second cell for which complementary assistance data is to be generated; generating the complementary assistance data relating to at least the second cell, wherein the complementary assistance data comprises assistance data adapted to the second cell when the second cell is configured to provide control information to the user equipment; and sending the complementary assistance data to the user equipment in advance of the change, thereby providing the complementary assistance data to be used by the user equipment during the positioning session for determining the position of the user equipment.