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ADSL modem apparatus, ADSL communication apparatus, and synchronization adjustment method for ADSL communication
ADSL modem apparatus, ADSL communication apparatus, and synchronization adjustment method for ADSL communication
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机译:ADSL调制解调器设备,ADSL通信设备以及用于ADSL通信的同步调整方法
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摘要
An ADSL communication apparatus includes a transceiver that executes an initialization sequence, a host that is connected to a user terminal, an AFE unit, a driver that transmits an analog signal (converted by the AFE unit) to a line, and a receiver that receives the analog signal from the line. The transceiver retrieves a signal component of a known carrier from the front-end of a hyperframe, based on an arbitrary symbol breakpoint. By calculating outer product values between the previously retrieved signal component and the currently retrieved signal component, the symbol breakpoint is adjusted in accordance with the patterns of the outer product values.
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