Patent ID: 7672404
Filing Date: 2010-03-02
Classification: G01S,H04B

Abstract:
1. A method of correlating digital communications signals by a receiver at a location, said method comprising: (a) dividing an epoch of said digital communication signals into multiple window portions wherein the window portions are defined independently of an expected location of said receiver; (b) correlating a first of said digital communication signals across a first of the window portions; (c) identifying whether a correlation peak results from said correlating; (d) repeating steps (b) and (c) for at least another of the multiple window portions if the correlation peak is not found during (c), until the correlation peak is found during (c); and (d) establishing timing parameters for receiving at least another of said digital communication signals based on the portion of the epoch associated with the window portion containing the correlation peak and aiding information dependent of the expected location of said receiver.