Patent ID: 8089932
Filing Date: 2012-01-03
Classification: H04W

Abstract:
1. A handover method in a wireless access network that includes a base station controller, at least one first wireless base station connected to the base station controller with a wired line, and at least one second wireless base station not connected to the base station controller with the wired line, a mobile device being connected to the base station controller via the first wireless base station or the second wireless base station, the handover method comprising: establishing a wireless line between the first wireless base station and the second wireless base station; sending including, when the mobile device performs a handover from the first wireless base station to the second wireless base station, the base station controller sending a control message addressed to the second base station to notify that the mobile device performs the handover, to the first wireless base station via the wired line; sending including the first wireless base station sending the control message addressed to the second wireless base station received from the base station controller to the second wireless base station using established wireless line; and exchanging including the first wireless base station and the second wireless base station exchanging a control message for the base station controller to control the second wireless base station, a control message for the base station controller to control the mobile device, and user data of the mobile device and a communication partner, using the wireless line, wherein at least a wireless line including the wireless line is dynamically set for communicating a control signal and the user data between the first wireless base station and the second wireless base station.