Patent ID: 11864150
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Measurement (Instruments)
Classification: CPC H  G | IPC G  H

Claim 1:
2. A method implemented in a network node to estimate a time difference of arrival, TDoA, of signals received from a wireless device, the method comprising:
employing a coordinated multipoint process to decode data from a WD using signals received from the WD by the network node and from signals received from the WD by a plurality of cooperating network nodes;
converting the decoded WD data into a time domain reference signal and convert the signals received from the plurality of cooperating network nodes into time domain neighbor signals;
cross-correlating the time domain reference signal with the time domain neighbor signals to determine a time difference of arrival for each of the plurality of time domain neighbor signals; and
calculating a position of the WD based on the time differences of arrival and based on locations of the cooperating network nodes.