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1. (CN108141243) Method and device for cancelling non-linear interference

المكتب : الصين
رقم الطلب: 201580083534.8 تاريخ الطلب: 30.09.2015
رقم النشر: 108141243 تاريخ النشر: 08.06.2018
نوع النشر: A
:مرجعية معاهدة التعاون بشأن البراءات رقم الطلب:PCTCN2015091172؛ رقم النشر:       اضغط لرؤية المعلومات
التصنيف الدولي للبراءات:
H04B 1/525
[IPC code unknown for H04B 1/525]
المتقدمون: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
المخترعون: CAO PING
曹萍
بيانات الأولوية:
العنوان: (EN) Method and device for cancelling non-linear interference
(ZH) 一种非线性干扰的抵消方法和装置
الملخص: front page image
(EN) Embodiments of the present invention provide a method and device for canceling non-linear interference. The method comprises: acquiring a non-linear distortion indicator of a local radio frequency transmission signal, and computing, according to the non-linear distortion indicator of the local transmission signal, an out-of-band distortion power of a local reception radio frequency signal; determining whether the out-of-band distortion power of the local reception signal is greater than a first threshold; computing a non-linear relationship of a local transmission channel, and reconstructing,according to the non-linear relationship of the local transmission channel, a local transmission digital baseband signal to obtain an interference cancellation signal; and if the out-of-band distortion power of the local reception signal is determined to be greater than the first threshold, then performing digital interference cancellation on a local reception digital baseband signal by using theinterference cancellation signal.
(ZH) 本发明实施例提供了非线性干扰的抵消方法和装置,其中方法包括:获取本端射频发射信号的非线性失真指标,根据所述本端发射信号的非线性失真指标计算本端接收射频信号的带外失真功率,判断所述本端接收信号的带外失真功率是否大于第一阈值,计算本端发射通道的非线性关系,根据本端发射通道的非线性关系对本端发射数字基带信号进行重建,得到干扰抵消信号,如果判断所述本端接收信号的带外失真功率大于第一阈值,利用干扰抵消信号对本端接收数字基带信号进行数字干扰抵消。