US 12,445,804 B2
System and method of determining real-time location
Eric J. Smith, Holland, MI (US); and Kyle Golsch, Pontiac, MI (US)
Assigned to DENSO International America, Inc., Southfield, MI (US)
Filed by DENSO International America, Inc., Southfield, MI (US)
Filed on Oct. 8, 2021, as Appl. No. 17/497,460.
Application 17/497,460 is a continuation of application No. 16/713,358, filed on Dec. 13, 2019, granted, now 11,146,919.
Claims priority of provisional application 62/779,744, filed on Dec. 14, 2018.
Prior Publication US 2022/0030395 A1, Jan. 27, 2022
Int. Cl. H04W 4/029 (2018.01); H04W 76/10 (2018.01)
CPC H04W 4/029 (2018.02) [H04W 76/10 (2018.02)] 20 Claims
OG exemplary drawing
 
15. A method of communicating between an object and a primary portable device that is movable relative to the object, said method comprising:
communicating wirelessly between the primary portable device and a first device of the object via a primary communication link according to a first communication protocol;
determining a first signal characteristic with respect to communications between the primary portable device and the first device of the object;
communicating wirelessly between the primary portable device and a second device of the object via a secondary communication link according to a second communication protocol different from the first communication protocol, wherein the first and second communication links are different communication links;
determining a second signal characteristic with respect to communications between the primary portable device and the second device of the object;
storing, in memory, one or more connection parameters for communicating wirelessly with the object;
directing wireless communications between the primary portable device and the object; and
determining a location of the primary portable device based on the first and second signal characteristics determined for wireless communications respectively between the primary portable device and the first and second devices according to the first and second different communication protocols.