Patent ID: 8750446
Filing Date: 2014-06-10
Classification: H04L

Abstract:
1. A method for synchronizing a receiver with at least one OFDM frame comprising: (a) receiving an OFDM frame that includes a preamble comprising a number of preamble symbols arranged to form a preamble code-word; (b) cross-correlating successive pairs of symbols in the received OFDM frame to produce a cross-correlation output; (c) selecting from a plurality of predefined code-words, a code-word that most closely matches cross correlation values of the cross-correlation output; (d) comparing the selected code-word with the preamble code-word; (e) deciding that synchronization has been achieved in the event the selected code-word substantially matches the preamble code-word; and (f) in the event the selected code-word does not substantially match the preamble code-word: