Patent ID: 8977273
Filing Date: 2015-03-10
Classification: H04W

Abstract:
1. A method for selecting a supply area, which comprises at least one mobile radio cell and at least one mobile radio network unit, which is configured to call for a mobile radio communication device in the entire supply area in order to be able to determine the residence of the mobile radio communication device on mobile radio cell level, in case of an incoming call or a beginning data transmission, the method comprising: a mobile radio communication device, which is in a state without having a signaling and data communication connection with a mobile radio network unit in the first supply area, leaving the first supply area; receiving in the mobile radio communication device from the mobile radio network unit of the first supply area first mobile radio resource data about the first supply area and from a mobile radio network unit of the second supply area second mobile radio resource data about the second supply area; determining whether signal quality associated with the receiving of the second mobile resource data meets or exceeds a predetermined threshold; beginning countdown of a timer, included in the mobile radio communication device, based on the determining of whether the signal quality meets or exceeds the predetermined threshold; the mobile radio communication device storing temporarily the first mobile radio resource data before expiration of the countdown of the timer; and the mobile radio communication device storing, at least partially during the time the first mobile radio resource data is stored, the second mobile radio resource data about the second supply area, wherein the mobile radio communication device is concurrently enabled to use the first mobile radio resource data for data transmission and reception to the first mobile radio network unit and to use the second mobile radio resource data for data transmission and reception to the second mobile radio network unit.