US Patent 7460147 Interference detecting circuit utilizing synchronization symbols and method thereof
Patent 7460147 was granted and assigned to Realtek on December, 2008 by the United States Patent and Trademark Office.
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An interference detecting circuit for use in an ATSC system and for detecting interference of an ATSC signal includes: a buffering module for delaying to output a first PN63 synchronization format data when receiving the first PN63 synchronization format data; a correlation arithmetic circuit coupled to the buffering module for receiving the ATSC signal and performing a correlation operation on a second PN63 synchronization format data and the delayed first PN63 synchronization format data to output a detection signal when receiving the second PN63 synchronization format data; and a determining circuit for determining whether performing interference rejection on the ATSC signal or not according to the result of the above-mentioned correlation operation.
US Patent 07460147 Interference detecting circuit utilizing synchronization symbols and method thereof US Patent 7460147 Interference detecting circuit utilizing synchronization symbols and method thereof
US Patent 07460147 Interference detecting circuit utilizing synchronization symbols and method thereof
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