一种发送信号的方法、装置和系统制造方法及图纸

本发明专利技术公开了一种发送信号的方法、装置和系统，其中方法包括：将待发送数据在第一频段内生成第一信号，所述第一频段是指VDSL2频段；在第二频段根据所述第二频段的VDSL3信号和VDSL3线路对VDSL2线路的串扰系数生成第一预补偿信号，所述第二频段是指不与VDSL2频段重叠的VDSL3频段，第一预补偿信号用于用户前端设备接收后与所述VDSL3线路对所述VDSL2线路的带外远端串音抵消；将第一信号和第一预补偿信号合成为第二信号，将第二信号发送给VDSL2用户前端设备。本发明专利技术实施例在VDSL2的带外生成VDSL3线路对VDSL2线路的带外串扰的预补偿信号，使得VDSL2接收端的信号不包含带外远端串音。

A method, device, and system for sending signals

The present invention discloses a method, device and system for sending signals, in which the first signal is generated in the first frequency band, the first frequency band is the VDSL2 band, and the first pre compensation of the crosstalk coefficient of the VDSL2 line is generated at the second frequency band according to the VDSL3 signal and the VDSL3 line of the second frequency band. Signal, the second band is the VDSL3 band that does not overlap with the VDSL2 band, the first pre compensation signal is used to offset the off band crosstalk of the VDSL2 line with the VDSL3 line after the reception of the user front end device; the first signal and the first pre compensation signal are synthesized to the second signal number, and the second signal is sent to the VDSL2 user. End equipment. In an embodiment of the invention, an out of band interference precompensated signal of a VDSL3 line to a VDSL2 line is generated outside the band of the VDSL2, so that the signal of the VDSL2 receiver does not contain an out of band far end crosstalk.

【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请，说明书已公开。

【技术保护点】
PCT国内申请，权利要求书已公开。

【技术特征摘要】
【国外来华专利技术】PCT国内申请，...

【专利技术属性】
技术研发人员：涂建平，
申请(专利权)人：华为技术有限公司，
类型：发明
国别省市：广东,44