US 12,133,167 B2
Persistent TWT sessions
Mohd Shahnawaz Siraj, Santa Clara, CA (US); Qiang Zhou, Santa Clara, CA (US); and Andre Beaudin, Québec (CA)
Assigned to Hewlett Packard Enterprise Development LP, Spring, TX (US)
Appl. No. 17/599,763
Filed by Hewlett Packard Enterprise Development LP, Houston, TX (US)
PCT Filed Dec. 5, 2019, PCT No. PCT/CN2019/123271
§ 371(c)(1), (2) Date Sep. 29, 2021,
PCT Pub. No. WO2021/109064, PCT Pub. Date Jun. 10, 2021.
Prior Publication US 2022/0174594 A1, Jun. 2, 2022
Int. Cl. H04W 84/12 (2009.01); H04W 52/02 (2009.01)
CPC H04W 52/0216 (2013.01) [H04W 84/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
establishing, by an access point, a plurality of sessions with a plurality of stations, wherein one or more of the plurality of sessions comprise a target wake time (TWT);
determining, by the access point, that a firmware upgrade of the access point will occur before a TWT of a particular station of the plurality of stations, and the firmware upgrade of the access point will cause a downtime event before the TWT of the particular station;
in response to the firmware upgrade occurring during the TWT of the particular station, sending, by the access point, information associated with the plurality of sessions to a secondary device;
after the downtime event, retrieving, by the access point, the information associated with the plurality of sessions from the secondary device; and
reestablishing, by the access point using the information, the plurality of sessions.