Patent ID: 8638776

Claim:
A frame generation device, comprising: a frame generation section configured to generate a frame including, in a following order: synchronization information being information for achieving synchronization with a reception device included in a group that includes one or a plurality of reception devices each of which receives information within the frame used for radio communications; address information indicating an address within the frame for transmitting data; and the data to be transmitted to the reception device included in the group; a group-basis distribution data presence/absence information generation section configured to generate group-basis distribution data presence/absence information indicating whether or not the data to be transmitted to the reception device included in the group is included in the frame; a synchronization information generation section configured to generate the synchronization information including the group-basis distribution data presence/absence information; and a central processing unit configured to control operation of the frame generation section, the group-basis distribution data presence/absence information generation section, and the synchronization information generation section; wherein the frame generation section is configured to generate the frame such that the group-basis distribution data presence/absence information is allocated prior to the address information.