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    • 5. 发明授权
    • Methods and arrangements for direct current estimation of a wireless communication packet
    • 无线通信分组的直流估计的方法和布置
    • US09374197B2
    • 2016-06-21
    • US14229803
    • 2014-03-28
    • Intel Corporation
    • Moshe TeplitskyMichael GenossarElan Banin
    • H04L1/00H04B1/30
    • H04L1/0045H04B1/30H04B2001/305H04W56/0035
    • Logic for direct current (DC) estimation of a wireless communication packet. Logic may determine a first DC estimation based upon a first set of sequences in a preamble of the wireless communication packet. Logic may determine a second DC estimation based upon a second set of sequences in the preamble. Logic may select one of the DC estimations based upon a frequency-offset estimation. Logic may remove one of the DC estimations from the packet. Logic to null DC bins that result from a Fourier transform of the packet to mitigate transmitter DC bias. And logic to determine a correction for the packet based upon a difference between a predetermined guard interval value and a received guard interval value and to apply the correction to the packet.
    • 用于无线通信分组的直流(DC)估计的逻辑。 逻辑可以基于无线通信分组的前导码中的第一组序列来确定第一DC估计。 逻辑可以基于前导码中的第二组序列来确定第二DC估计。 逻辑可以基于频率偏移估计来选择直流估计之一。 逻辑可以从分组中去除一个DC估计。 逻辑来清除由数据包的傅立叶变换产生的直流信道,以减轻发射机直流偏置。 以及用于基于预定保护间隔值和接收到的保护间隔值之间的差来确定对分组的校正并且将校正应用于分组的逻辑。
    • 8. 发明授权
    • Apparatus, system and method of direct current (DC) estimation of a wireless communication packet
    • 无线通信分组的直流(DC)估计的装置,系统和方法
    • US09419829B2
    • 2016-08-16
    • US13669587
    • 2012-11-06
    • Intel Corporation
    • Moshe TeplitskyMichael GenossarElan Banin
    • H04L25/06
    • H04L25/062H04L25/065
    • Some demonstrative embodiments include devices, systems and/or methods of Direct Current (DC) estimation. For example, an apparatus may include an estimator to estimate a DC component of a received wireless communication packet based on a first value, a second value and an estimated frequency offset, wherein the first value is based on a first plurality of samples including at least a plurality of samples of a first sequence of a preamble of the wireless communication packet, the second value is based on a second plurality of samples including at least a plurality of samples of a second sequence of the preamble, immediately successive to the first sequence, and the estimated frequency offset corresponds to a frequency offset between the first and second pluralities of samples.
    • 一些演示实施例包括直流(DC)估计的装置,系统和/或方法。 例如,装置可以包括估计器,用于基于第一值,第二值和估计的频率偏移来估计接收到的无线通信分组的DC分量,其中第一值基于至少包括第一多个样本 所述无线通信分组的前导码的第一序列的多个样本,所述第二值基于包括所述前导码的第二序列的至少多个采样的第二多个采样,所述第二序列紧接着所述第一序列, 并且估计的频率偏移对应于第一和第二多个样本之间的频率偏移。
    • 9. 发明授权
    • Apparatus, system and method of in-phase/quadrature (I/Q) imbalance compensation
    • 同相/正交(I / Q)不平衡补偿的装置,系统和方法
    • US09106502B2
    • 2015-08-11
    • US13680137
    • 2012-11-19
    • Intel Corporation
    • Moshe TeplitskyElan BaninMichael Genossar
    • H04L27/18H04L27/36H04L27/38H04B17/21H04B1/30
    • H04L27/364H04B1/30H04B17/21H04L27/3863
    • Some demonstrative embodiments include apparatuses, systems and/or methods of In-phase/Quadrature (I/Q) imbalance compensation. For example, an apparatus may include an I/Q imbalance calibrator to determine, based on first and second phasors, a plurality of calibration parameters for calibrating I/Q imbalance of both a Radio Frequency (RF) Receive (Rx) path of a transceiver and a RF Transmit (Tx) path of the transceiver, the first phasor including a phasor of an image component of a first signal transmitted via the Tx path, shifted by a first phase shift and received via the Rx path, and the second phasor including a phasor of an image component of a second signal transmitted via the Tx path, shifted by a second phase shift, different from the first phase shift, and received via the Rx path.
    • 一些演示实施例包括同相/正交(I / Q)不平衡补偿的装置,系统和/或方法。 例如,装置可以包括I / Q不平衡校准器,用于基于第一和第二相量确定用于校准收发器的射频(RF)接收(Rx)路径的I / Q不平衡的多个校准参数 和RF发射(Tx)路径,所述第一相量包括经由所述Tx路径发送的第一信号的图像分量的相量,偏移了第一相移并经由所述Rx路径接收,并且所述第二相量包括 经由Tx路径发送的第二信号的图像分量的相量,偏移与第一相移不同的第二相移,并且经由Rx路径接收。