a method and wireless transmit / receive unit for utilizing channel control information associated with enhanced uplink transmission is disclosed . the wtru receives information via radio resource control signaling and receives downlink control information for at least eu transmission . the wtru determines whether the dl control information is intended for the wtru based at least upon a first forty bit specific code sequence and a second forty bit specific code sequence received in at least one time slot and determines whether the dl control information is the first type or the second type . the wtru utilizes the dl control information of the first type or the second type for at least eu transmission on a condition that the dl control information is intended for the wtru .