Patent ID: 7751811

Claim:
A hand-held portable mobile terminal comprising: a broadcast receiver for receiving broadcast digital audio/video signals that are transmitted unidirectionally and wirelessly from a terrestrial broadcasting station connected to a central processing unit including a data memory, a mobile radio transmitter receiver module configured for a bidirectional communication with the central processing unit, via a mobile network including a plurality of base stations, and configured to use the mobile network as a return channel to communicate with the terrestrial broadcast station via the central processing unit; an identifier module associated with the mobile radio transmitter receiver module, the identifier module including a memory for storing an identification data element for identifying, in the mobile network, a user of the hand-held portable mobile terminal; and a position determination module configured to determine a current geographical position of the hand-held portable mobile terminal, wherein the modules of the hand-held portable mobile terminal are further configured to determine data elements related to characteristics of signals received from the terrestrial broadcasting station and from the base stations of the mobile network, the data elements determined based on instructions received from the terrestrial broadcast station, and the modules also configured to provide data accountings to the data memory of the central processing unit via the mobile radio transmitter receiver module and the mobile network, the data accountings including the determined data elements and the determined current geographical position of the hand-held portable mobile terminal.