Patent ID: 7620011

Claim:
A channel time allocation method in a wireless network that is synchronized by a synchronization signal broadcasted from a coordinator, the method comprising: transmitting to the coordinator by a device linked to the wireless network, a channel time allocation request command including a type of an application data and a property of the application data other than the type; and the coordinator allocating a channel time as an allocated channel time based on the type and the property of the application data in the channel time allocation request command, inserting information of the allocated channel time to the synchronization signal, and broadcasting the synchronization signal to the devices, wherein the channel time allocation request command is generated by attaching a field as an attached field representing the type and the property of the application data to a channel time request command, and wherein the field representing the type and the property of the application data contains the size of the largest I frame, the size of the largest P frame, and the size of the largest B frame.