CPC H04W 64/003 (2013.01) [G01S 5/0226 (2013.01); G01S 5/10 (2013.01); H04L 5/0048 (2013.01)] | 20 Claims |
1. A method of transmitting a position reference signal (PRS) to support observed time difference of arrival (OTDOA) position determination in an electronic device, the method carried out by a network node that has a unique identifier and comprising:
a) generating a first PRS sequence;
b) generating a second PRS sequence by modifying the first PRS sequence with a modification function to generate the second PRS sequence, wherein a sum of the first PRS sequence and the second PRS sequence is zero; and
c) transmitting the first and second PRS sequences in a modulated symbol comprising the first and second PRS sequences and the unique identifier of the network node.
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