A digital signal modulation mode identification method
The invention relates to a digital signal modulation mode identification method, which comprises the following steps of: encoding an original data stream sequence of a transmitting end with a known modulation mode by utilizing a differential space-time encoding technology to obtain a code word seque...
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| Main Authors | , , , , , , |
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| Format | Patent |
| Language | Chinese English |
| Published |
21.05.2019
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| Subjects | |
| Online Access | Get full text |
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| Abstract | The invention relates to a digital signal modulation mode identification method, which comprises the following steps of: encoding an original data stream sequence of a transmitting end with a known modulation mode by utilizing a differential space-time encoding technology to obtain a code word sequence x (k), and estimating by utilizing autocorrelation matrixes J and x (k) to obtain a receiving signal sequence y (k); carrying out zero-forcing equalization technology processing on y (k) to obtain a received signal compensation matrix (shown in the specification), and calculating the received signal compensation matrix (shown in the specification) by utilizing different high-order cumulants (shown in the specification); and calculating the received signal compensation matrix (shown in the specification) by utilizing different high-order cumulants (shown in the specification). obtaining a received signal eigenvector matrix Cij according to the eigenvector of the received signal eigenvector matrix Cij and the eig |
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| AbstractList | The invention relates to a digital signal modulation mode identification method, which comprises the following steps of: encoding an original data stream sequence of a transmitting end with a known modulation mode by utilizing a differential space-time encoding technology to obtain a code word sequence x (k), and estimating by utilizing autocorrelation matrixes J and x (k) to obtain a receiving signal sequence y (k); carrying out zero-forcing equalization technology processing on y (k) to obtain a received signal compensation matrix (shown in the specification), and calculating the received signal compensation matrix (shown in the specification) by utilizing different high-order cumulants (shown in the specification); and calculating the received signal compensation matrix (shown in the specification) by utilizing different high-order cumulants (shown in the specification). obtaining a received signal eigenvector matrix Cij according to the eigenvector of the received signal eigenvector matrix Cij and the eig |
| Author | ZHAO DEQIN YUAN LIFEN NING SHUGUANG YUAN ZHIJIE HE YIGANG YAO LING CHENG ZHEN |
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| DocumentTitleAlternate | 一种数字信号调制方式识别方法 |
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| Notes | Application Number: CN201811583571 |
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| Snippet | The invention relates to a digital signal modulation mode identification method, which comprises the following steps of: encoding an original data stream... |
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| SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| Title | A digital signal modulation mode identification method |
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