Method and apparatus for handover of a multi-mode wireless transmit/receive unit between a cellular access network and a wlan

When a/receiving unit for performing different wireless access method of multi-mode wireless transmission, a cutting each other is connected with the wireless communication system method and system for wireless access method. A plurality of wireless communication system is disposed on the cover the area; each wireless communication system substrate different wireless access method, and each other is connected with, providing a service is connected by a wireless communication system to provide via the wireless communication system. The wireless communication system for sending the wireless communication system cover area of the interconnection wireless communication system with indicating. Wireless transmission/feedback information and receiving unit and related interconnecting wireless communication system. Wireless transmission/receiving unit and used is received the information to for connection of interconnecting wireless communication system of more; and the wireless transmitting/receiving unit is casing to the same/receiving unit which is connected with the service wireless communication system via the interconnecting wireless communication system receives the wireless transmission at a.