US 11,758,364 B2
Many to many ranging techniques
Yagil Burowski, Sunnyvale, CA (US); Subash Marri Sridhar, San Jose, CA (US); Ayman Naguib, Cupertino, CA (US); and Robert Golshan, Santa Clara, CA (US)
Assigned to APPLE INC., Cupertino, CA (US)
Filed by APPLE INC., Cupertino, CA (US)
Filed on Jul. 6, 2021, as Appl. No. 17/368,215.
Application 17/368,215 is a continuation of application No. 16/784,022, filed on Feb. 6, 2020, granted, now 11,057,743, issued on Jul. 6, 2021.
Claims priority of provisional application 62/931,667, filed on Nov. 6, 2019.
Claims priority of provisional application 62/896,755, filed on Sep. 6, 2019.
Prior Publication US 2021/0337360 A1, Oct. 28, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 4/029 (2018.01); H04W 4/02 (2018.01)
CPC H04W 4/029 (2018.02) [H04W 4/023 (2013.01)] 25 Claims
OG exemplary drawing
1. A method performed by a coordinator mobile device of N mobile devices that includes other mobile devices, N being an integer of three or more, the method comprising:
detecting the other mobile devices using a first wireless protocol;
accessing an active participant list, the active participant list comprising a plurality of unique identifiers assigned to each of the N mobile devices;
determining an order for a plurality of ranging operations between the N mobile devices by generating a schedule for a ranging session comprising multiple ranging operations using the plurality of unique identifiers in the active participant list, the schedule specifying a pair of mobile devices designated to perform a ranging operation during a particular time period, using a particular communication channel, or both; and
for each of the other mobile devices:
performing a ranging operation according to the schedule, wherein each of the other mobile devices performs respective ranging operations using a respective schedule specifying the order for the plurality of ranging operations.