US Patent No. 10,397,943

FLEXIBLE NAN AVAILABILITY SCHEDULE INDICATIONS


Patent No. 10,397,943
Issue Date August 27, 2019
Title Flexible Nan Availability Schedule Indications
Inventorship Yong Liu, Campbell, CA (US)
Assignee Apple Inc., Cupertino, CA (US)

Claim of US Patent No. 10,397,943

1. A wireless station, comprising:at least one antenna;
at least one radio in communication with the at least one antenna and configured to perform communications via a Wi-Fi interface; and
at least one processor in communication with to the at least one radio;
wherein the at least one processor is configured to cause the wireless station to:
transmit, to a first peer wireless station of a plurality of peer wireless stations within transmission range of the wireless station, a first availability schedule via a scheduling negotiation message, wherein the first availability schedule comprises one or more types of committed availability, wherein a first type of committed availability is non-cancelable and a second type of committed availability is cancelable, wherein the scheduling negotiation message includes an attribute indicating a change to the one or more types of committed availability, and wherein the change is one of a plurality of types of changes comprising a first type of change indicating that the change conflicts with an existing committed availability schedule and a second type of change indicating that the change adds additional conditional availability, additional committed availability, or additional conditional availability and additional committed availability;
receive, from the first peer wireless station, a second availability schedule applicable to the wireless station but not applicable to other peer wireless stations, wherein the second availability schedule comprises the second type of committed availability; and
transmit, to a second peer wireless station of the plurality of peer wireless stations, a third availability schedule comprising the first type of committed availability.