CROSSTALK ESTIMATION METHOD, DEVICE, AND SYSTEM

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专利名称:CROSSTALK ESTIMATION METHOD, DEVICE,
AND SYSTEM
发明人:TU, Jianping,PAN, Zhong
申请号:EP14898201.0
申请日:20140724
公开号:EP3154230A1
公开日:
20170412
专利内容由知识产权出版社提供
专利附图:
摘要:The present invention provides a crosstalk estimation method, an apparatus,and a system. According to the crosstalk processing method, the apparatus, and the system provided in embodiments of the present invention, a transceiver of a line
generates, respectively according to pilot sequences allocated by a vectoring control entity, pilot training signals that are within different spectral ranges and that satisfy a preset relationship with a pilot training signal of another line, so that a receiver of the line can determine sample errors respectively according to the different pilot training signals. Then, the vectoring control entity determines crosstalk channel coefficients from the another line into an inband spectrum and an out-of-band spectrum of the line, and performs precoding processing on a to-be-sent data signal of the line, so as to eliminate impact of crosstalk from the another line to the inband and out-of-band spectrums of the line. This reduces impact on a line rate caused by inter-line crosstalk in a system in which lines of different profiles coexist, and further improves effects and stability of FTTC acceleration.
申请人:Huawei Technologies Co. Ltd.
地址:Huawei Administration Building Bantian Longgang District Shenzhen, Guangdong 518129 CN
国籍:CN
代理机构:Körber, Martin Hans
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