Patent ID: 9591450
Date: 2017-03-07
CPC Classifications: G01S,H04L,H04W

Claim:
1. A method of providing Observed Time Difference of Arrival (OTDOA) assistance information, the method comprising: requesting, from a Mobile Station (MS), measurements including cell timing information for one or more neighbor cells of the MS; receiving neighbor cell measurements for a subset of the one or more neighbor cells, the neighbor cell measurements including cell timing information comprising cell timing offsets of the neighbor cells in the subset relative to a serving cell for the MS, each cell timing offset associated with a distinct neighbor cell in the subset; and generating OTDOA assistance data comprising an OTDOA assistance data reference cell and a System Frame Number (SFN) offset between the serving cell and the OTDOA assistance data reference cell, the OTDOA assistance data reference cell being selected based on the received neighbor cell measurements.