Preamble detection with unknown channel
First Claim
Patent Images
1. A system, comprising:
- a differential demodulation module that differentially demodulates modulated signals to generate differentially demodulated signals; and
a correlation module that correlates said differentially demodulated signals with derived preamble sequences and that generates correlation values.
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Abstract
A system includes a differential demodulation module and a correlation module. The differential demodulation module differentially demodulates modulated signals to generate differentially demodulated signals. The correlation module correlates the differentially demodulated signals with derived preamble sequences and generates correlation values.
34 Citations
48 Claims
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1. A system, comprising:
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a differential demodulation module that differentially demodulates modulated signals to generate differentially demodulated signals; and a correlation module that correlates said differentially demodulated signals with derived preamble sequences and that generates correlation values. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method, comprising:
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differentially demodulating modulated signals; generating differentially demodulated signals from said modulated signals; correlating said differentially demodulated signals with derived preamble sequences; and generating correlation values based on said correlating. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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Specification