Patent ID: 9503979
Filing Date: 2016-11-22
CPC Classification: H04B,H04L,H04W,Y02D

Claim Text:
1. A method of delivering data to wireless stations, the method comprising: receiving a plurality of association requests from a plurality of wireless stations; transmitting a different association identifier to each of the plurality of wireless stations; buffering data for a subset of the plurality of wireless stations, the subset including a number of wireless stations; if the number of wireless stations in the subset is less than a threshold, then transmitting a list of association identifiers indicating that buffered data are held for each wireless station identified by the list, the threshold being a number of wireless stations numbering in the tens, hundreds or thousands; and if the number of wireless stations in the subset is not less than the threshold, then transmitting data indicative of a range of association identifiers indicating that buffered data are held for at least one wireless station identified by the range, the data indicative of the range of association identifiers comprising association identifiers corresponding to a first number of wireless stations in the subset, wherein the first number of wireless stations is less than the number of wireless stations in the subset.