Server apparatus and terminal apparatus used in video transmission system

摘要

Provided is a server apparatus and terminal unit for realizing a video transmission system that, even in case the video image is suspended by a handover, reproduction can be resumed at a video image of upon suspension. In a video transmission system having a video server for sending video data to a terminal unit through an access point and a terminal unit for receiving and displaying the video data sent from the access point and for establishing an association and releasing of a wireless channel to the access point, the terminal unit releases the access point and wireless channel and requests the video server to suspend the transmission and store video data. In case an association is established with a new access point, the terminal unit requests the video server to re-send the video data, etc. stored in the duration of from the release to an association establishment.