The invention discloses a method of optimizing handoff time in a wireless communication system from a first base station to a second base station through a dynamic data source control, the method comprising determining a communication delay between a network service node of the wireless communication system and the second base station; setting a scheduling delay for the second base station; determining a handoff delay based on the communication delay and the scheduling delay and indicating said handoff delay to a mobile communication device, wherein the mobile communication device performs the handoff from the first base station to the second base station on expiry of the handoff delay so determined.