The present invention relates to a method to enhance resolution of location information of a mobile user in an Evolved Packet communication System. The system comprises a Mobility Management Entity that provides the user with at least one tracking area in which the user is able to move without location information being reported, The method comprises the following steps: receiving to the Mobility Management Entity, a location activation message valid for the user. receiving to the Mobility Management Entity, a service request related to the user; detecting in the Mobility Management Entity, user location information with higher resolution than the at least one tracking area level resolution; sending from the Mobility Management Entity, a monitoring message comprising high resolution information of the user's location within the at least one tracking area.