Patent ID: 8149794

Claim:
A method of managing channel allocation for asynchronous data transmission, the method comprising: broadcasting a first superframe for a first beacon period, the first superframe containing a control section and a data slot section; receiving a request frame from at least one wireless device belonging to a network via the control section, the request frame requesting additions of data slots for asynchronous data transmission; transmitting a response frame to the at least one wireless device via the control section in response to the request frame; and broadcasting a second superframe for a second beacon period, the second superframe containing information regarding the requested data slot, if the requested data slot is added, to the at least one wireless device, wherein the request frame comprises a plurality of first fields, each of which keeps a record of information regarding addition of a data slot, the response frame comprises a plurality of second fields, each of which keeps a record of response information regarding addition of a data slot, and wherein each of the second fields of the response frame comprises information regarding a reason the requested data slot fails to be added if the requested data slot fails to be added.