US Patent No. 10,798,745

DETERMINING DEVICE LOCATIONS BASED ON RANDOM ACCESS CHANNEL SIGNALING


Patent No. 10,798,745
Issue Date October 06, 2020
Title Determining Device Locations Based On Random Access Channel Signaling
Inventorship Fred Weisbrod, Renton, WA (US)
Corey J. Christopherson, Bainbridge Island, WA (US)
Donna L. Polehn, Mercer Island, WA (US)
Assignee Verizon Patent and Licensing Inc., Basking Ridge, NJ (US)

Claim of US Patent No. 10,798,745

1. A device comprising:an interface to wirelessly communicate with wireless stations in a network;
a memory device to store a set of instructions; and
a processor configured to execute the instructions, wherein executing the instructions causes the processor to:
perform a partial Random Access Chanel (RACH) procedure for each wireless station of the wireless stations, wherein the partial RACH procedure for each wireless station of the wireless stations includes:
starting a RACH procedure by detecting a broadcast signal from the wireless station;
transmitting a Physical Random Access Channel (PRACH) preamble to the wireless station in response to the broadcast signal;
receiving a Random Access Response (RAR) message from the wireless station in response to the PRACH preamble;
extracting a value of a parameter from the RAR message; and
terminating the RACH procedure before sending additional messages, from the device, to or via the wireless station; and
apply multilateration based on results of performing the RACH procedure for each of the wireless stations, wherein the results include, for each of the wireless stations, the extracted value of the parameter in the RAR message.