Patent ID: 8599785

Claim:
A method for use in a wireless device, the method comprising: a) receiving at least one message causing configuration of: i) a plurality of cells comprising a primary cell and at least one secondary cell; and ii) a plurality of cell groups comprising a primary cell group and a secondary cell group; b) receiving a command causing transmission of a random access preamble on a secondary cell, said random access preamble transmitted in parallel with at least one of the following uplink transmissions: i) a first packet on a control channel of said primary cell; and ii) at least one second packet on at least one data channel of said plurality of cells; c) determining a transmission power for said random access preamble; and d) when a total calculated transmission power exceeds a predefined value, adjusting transmission power of one or more of said at least one uplink transmission according to a predefined rule considering a higher priority for said transmission power compared with a transmission power priority of said first packet and said at least one second packet.