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    • 8. 发明申请
    • System and Method For IQ Imbalance Estimation
    • IQ不平衡估计的系统和方法
    • US20170005855A1
    • 2017-01-05
    • US15257582
    • 2016-09-06
    • Entropic Communications LLC
    • Michail TsatsanisNa Chen
    • H04L27/38H04L12/26
    • H04L27/3863H04L43/12
    • A system for IQ balance estimation is disclosed and may include requesting an in-phase and quadrature (IQ) probe comprising tones, receiving the tones, and calculating an estimate of IQ imbalance for each received tone. The system may also include requesting an IQ probe, and calculating an estimate of IQ imbalance for each received tone by determining an image to tone ratio based on the received tones. The requesting of the IQ probe, the receiving of the tones, and the calculating of the image to tone ratio may be repeated the results of the calculations of the image to tone ratio may be averaged. Gain, phase, and delay parameters may be calculated to compensate for the IQ imbalance.
    • 公开了用于IQ平衡估计的系统,并且可以包括请求包括音调的同相和正交(IQ)探针,接收音调,以及计算每个接收音调的IQ不平衡的估计。 系统还可以包括请求IQ探测器,以及通过基于所接收的音调确定图像比例来计算每个接收到的音调的IQ不平衡的估计。 可以重复IQ探测的请求,音调的接收以及图像比例的计算,可以对图像比调制比的计算结果进行平均。 可以计算增益,相位和延迟参数以补偿IQ不平衡。