US 12,316,394 B2
Non-line-of-sight detection
Ioannis Pefkianakis, Palo Alto, CA (US); Weiping Dou, San Jose, CA (US); David B. Cheung, Los Gatos, CA (US); Ye Sun, San Jose, CA (US); and Faraz Faheem, Santa Clara, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Aug. 22, 2023, as Appl. No. 18/453,554.
Application 18/453,554 is a continuation of application No. 16/562,777, filed on Sep. 6, 2019, granted, now 11,770,198.
Prior Publication US 2023/0412291 A1, Dec. 21, 2023
Int. Cl. H04B 17/336 (2015.01); H04B 17/00 (2015.01); H04B 17/17 (2015.01); H04L 1/00 (2006.01); H04L 5/00 (2006.01)
CPC H04B 17/336 (2015.01) [H04B 17/0085 (2013.01); H04B 17/17 (2015.01); H04L 1/0026 (2013.01); H04L 5/0051 (2013.01); H04L 5/0073 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a processor configured to, when executing instructions stored in a memory, perform operations comprising:
performing a channel measurement for a wireless channel;
comparing the channel measurement to one or more threshold conditions associated with a polarization; and
determining whether a line-of-sight (LOS) path is available for the wireless channel based at least in part on the comparison of the channel measurement to the one or more threshold conditions associated with the polarization.