Frequency error detection device, frequency error detection method, and receiving device

The invention provides a frequency error detection device, a frequency error detection method, and a receiving device, being capable of detecting frequency error by relatively low computation. A first frequency error detecting portion (21) is provided with a known signal extraction portion (31), a c...

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Bibliographic Details
Main Author MAEDA NAOTOSHI
Format Patent
LanguageChinese
English
Published 26.03.2014
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Abstract The invention provides a frequency error detection device, a frequency error detection method, and a receiving device, being capable of detecting frequency error by relatively low computation. A first frequency error detecting portion (21) is provided with a known signal extraction portion (31), a complex operation portion (32), a reference signal supplying portion (33), a correlation operation portion (36), and a peak detection portion (37). The known signal extraction portion (31) extracts and receives known signals from symbol signals. The complex operation portion (32) executes first complex operation on a sequence receiving the know signals to eliminate phase rotation components. The reference signal supplying portion (33) provides a reference complex signal sequence which is generated by executing a same operation with first complex number operation on a sequence of the known signals. The correlation operation portion (36) calculates distribution of cross-correlation values between an output sequence of
AbstractList The invention provides a frequency error detection device, a frequency error detection method, and a receiving device, being capable of detecting frequency error by relatively low computation. A first frequency error detecting portion (21) is provided with a known signal extraction portion (31), a complex operation portion (32), a reference signal supplying portion (33), a correlation operation portion (36), and a peak detection portion (37). The known signal extraction portion (31) extracts and receives known signals from symbol signals. The complex operation portion (32) executes first complex operation on a sequence receiving the know signals to eliminate phase rotation components. The reference signal supplying portion (33) provides a reference complex signal sequence which is generated by executing a same operation with first complex number operation on a sequence of the known signals. The correlation operation portion (36) calculates distribution of cross-correlation values between an output sequence of
Author MAEDA NAOTOSHI
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Snippet The invention provides a frequency error detection device, a frequency error detection method, and a receiving device, being capable of detecting frequency...
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SubjectTerms ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Title Frequency error detection device, frequency error detection method, and receiving device
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