Method and system and device for if/irat measurement allocation

A device for searching and/or measuring on cells in a mobile communication device connected to a first cell in a network, the device comprising:

• a receiver for receiving a number of data-frames and a plurality of idle frames which can be used for cell search and/or measurement and wherein the plurality of idle frames intervenes the number of data-frames;
• and for receiving information regarding at least one further cell in said network;
• and
• a control unit for, based on the received information, determining for each of the at least one further cell a first part of at least one of said idle frames to search and/or measure on said at least one further cell,
• wherein the device further comprises a control unit for classifying said at least one further cell into a first group of a plurality of groups comprising respective group requirements, and wherein the first group comprises at least one first group requirement being correlated to said information.