Blind identification of advanced modulation and coding modes

Details Blind identification of advanced modulation and coding modes Blind identification of advanced modulation and coding modes

H - Electricity

04

N

H04N 7/26 (2006.01) H04L 27/00 (2006.01) H04N 5/455 (2006.01) H04N 7/20 (2006.01) H04N 7/167 (2006.01)

Patent

CA 2577539

Methods and apparatuses for acquiring and demodulating a data stream transmitted in a communication system. A method in accordance with the present invention comprises finding a boundary of a physical layer frame (PLFrame) in the data stream, finding a first 26 bits of a Unique Word (UW) associated with the data stream, finding a scrambling code utilizing the UW, and using a decoding procedure to determine a modulation type and code rate used for desired signals within the data stream.

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