Method and device for transmitting and identifying a...

Details Method and device for transmitting and identifying a... Method and device for transmitting and identifying a...

2007-12-25

2007-12-25

Payne, David C. (Department: 2611)

Pulse or digital communications

Receivers

Angle modulation

Reexamination Certificate

active

10706779

ABSTRACT:
Data symbols in the training sequence are rotated at the transmitter end through a phase rotation factor which is specific for a given modulation type that is used. For blind modulation detection at the receiver end, the data symbols are derotated through different phase rotation factors, and a correlation function is formed between the sequences obtained in this way and the original training sequence. The type of modulation which is used is obtained from the phase rotation factor which produces a maximum for the correlation function.

REFERENCES:
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patent: 6463107 (2002-10-01), Lindoff et al.
patent: 6473506 (2002-10-01), Höök et al.
patent: 7058148 (2006-06-01), Huttunen
patent: 0 413 153 (1991-02-01), None
patent: 00/10301 (2000-02-01), None
patent: 01/03397 (2001-01-01), None
patent: 01/11790 (2001-02-01), None
patent: 01/39449 (2001-05-01), None

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