RESOURCE ALLOCATION METHOD FOR MULTICAST BROADCAST SERVICE

摘要

PURPOSE: A medium access method for multicast broadcast service is provided to shorten the channel change time of multicast broadcast service. CONSTITUTION: Media data per each channel divides into a base layer(410) and at least one improvement layer(420). A broadcasting media data of each channel comprised of the basic layer and at least one improved layer is transmitted by included within a transmission interval of the corresponding channel. Not only broadcasting media data of each channel but also media data for a channel change is transmitted together. The media data for channel change includes basic channels of all channels.