Patent ID: 8320258

Claim:
A method of recognizing a synchronization message from a wireless telecommunications device comprising the steps of: (a) dividing a series of known identification codes into a plurality of sections p(n, v, s); (b) processing and storing the sections p(n, v, s) of the known identification codes; (c) dividing a signal received from the wireless telecommunications device into a plurality of sections a(v); (d) processing the sections a(v) of the received signal; and (e) comparing the sections a(v) of the received signal with the sections p(n, v, s) of the known identification codes, wherein the known identification codes are RACH preambles and step (a) comprises the step of dividing the RACH preambles according to the length of a preamble signature; wherein step (b) is preceded by a step of reversing the order of the elements of the sections p(n, v, s).