US Patent No. 10,512,056

SYSTEM AND METHOD FOR NETWORK POSITIONING OF DEVICES IN A BEAMFORMED COMMUNICATIONS SYSTEM


Patent No. 10,512,056
Issue Date December 17, 2019
Title System And Method For Network Positioning Of Devices In A Beamformed Communications System
Inventorship Richard Stirling-Gallacher, San Diego, CA (US)
Nathan Edward Tenny, Poway, CA (US)
Bin Liu, San Diego, CA (US)
Pengfei Xia, San Diego, CA (US)
Aimin Justin Sang, San Diego, CA (US)
Jian Luo, Munich (DE)
Assignee Futurewei Technologies, Inc., Plano, TX (US)

Claim of US Patent No. 10,512,056

1. A method for receiving device position determination, the method comprising:receiving, by a receiving device, beamformed position reference signals (BF-PRSs) on a plurality of communications beams from at least two transmitting devices in accordance with a BF-PRS configuration;
selecting, by the receiving device, at least one communications beam of each transmitting device in accordance with a selection criterion;
identifying, by the receiving device, at least one transmitting device beam pair from the communications beams of the at least two transmitting devices based on the selected at least one communications beam of each transmitting device, the at least one transmitting device beam pair consisting of one communications beam for each of two of the at least two transmitting devices;
performing, by the receiving device, at least one observed time difference of arrival (OTDOA) measurement based on the BF-PRSs on the at least one transmitting device beam pair; and
transmitting, by the receiving device, OTDOA feedback including the at least one OTDOA measurement and including identifiers of the selected communications beams of the at least one transmitting device beam pair.