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公开(公告)号：US20160285669A1
公开(公告)日：2016-09-29
申请号：US15018864
申请日：2016-02-08
发明人： NORIAKI SAITO , KENJI MIYANAGA , SHIGEKI NAKAMURA
CPC分类号： H04L27/362 , H04L27/206 , H04L27/3863
摘要： In signal processing of the present disclosure, an abnormal correction value as a correction value for correcting a quadrature error that occurs in quadrature modulation is output in malfunction determining processing, and a normal correction value as the correction value is output in calibration processing. The presence or absence of malfunction in the signal processing is determined on the basis of the levels of carrier leak and image leak of the quadrature modulated signal.
摘要翻译： 在本公开的信号处理中，作为用于校正在正交调制中发生的正交误差的校正值的异常校正值在故障确定处理中输出，并且在校准处理中输出作为校正值的正常校正值。 基于正交调制信号的载波泄漏和图像泄漏的电平来确定信号处理中的故障的存在或不存在。
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公开(公告)号：US20170288762A1
公开(公告)日：2017-10-05
申请号：US15454261
申请日：2017-03-09
发明人： KENJI MIYANAGA , YUKIO OKAZAKI
CPC分类号： H04B7/0682 , G01S7/4008 , G01S2013/0254 , H01Q3/267 , H04B1/0475
摘要： Provided is a phased array transmission device including: a plurality of transmission branches, each being provided with a phase shift unit that applies a phase rotation to a baseband signal, a DC offset correction unit that adds a first correction value to an output signal of the phase shift unit, and a mixer that subjects an output signal of the DC offset correction unit to a frequency conversion to a high frequency band; and a correction control unit that calculates a second correction value with which a carrier leak component included in an output signal of the mixer is minimized, for each of a plurality of candidates for a phase rotation amount that is set for the phase rotation, and determines the first correction value on the basis of the second correction value.
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