The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2015
Filed:
Jun. 24, 2013
Jianqiang Zeng, Austin, TX (US);
Steven M. Bosze, Cedar Park, TX (US);
Raja V. Tamma, Leander, TX (US);
Kevin B. Traylor, Austin, TX (US);
Jianqiang Zeng, Austin, TX (US);
Steven M. Bosze, Cedar Park, TX (US);
Raja V. Tamma, Leander, TX (US);
Kevin B. Traylor, Austin, TX (US);
Freescale Semiconductor, Inc., Austin, TX (US);
Abstract
Methods and systems are disclosed for frequency-domain frame synchronization for multi-carrier communication systems. Received signals are sampled and converted into frequency domain components associated with subcarriers within the multi-carrier communication signals. A sliding-window correlation (e.g., two-dimensional sliding window) is applied to the received symbols represented in the frequency domain to detect frame boundaries for multi-carrier signals. The sliding-window frame synchronization can be applied by itself or can be applied in combination with one or more additional frame synchronization stages. The disclosed embodiments are particularly useful for frame synchronization of multi-carrier signals in PLC (power line communication) systems.