Patent ID: 11956661
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A communication device, comprising:
a transmitter configured to broadcast an uplink data sending announcement, wherein the uplink data sending announcement is used to determine a sending time for feeding back the buffer information that enables one or more terminals to simultaneously feeding feed back the buffer information, wherein the buffer information comprises a backoff timer value;
a receiver configured to receive the buffer information from the one or more terminals that need to send data, wherein the buffer information comprises a sending level indicating an access priority of data to be sent; and
a processor configured to select, from the one or more terminals that needs to send data, a terminal that is allowed to send data,
wherein the transmitter is further configured to send to the terminal a frame that carries scheduling information, wherein the scheduling information is determined according to the buffer information and instructs the terminal to send the data.