System and Method For IQ Imbalance Estimation
    8.
    发明申请
    System and Method For IQ Imbalance Estimation 审中-公开
    IQ不平衡估计的系统和方法

    公开(公告)号:US20170005855A1

    公开(公告)日:2017-01-05

    申请号:US15257582

    申请日:2016-09-06

    CPC classification number: H04L27/3863 H04L43/12

    Abstract: 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.

    Abstract translation: 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。

    System and method for IQ imbalance estimation
    9.
    发明授权
    System and method for IQ imbalance estimation 有权
    IQ不平衡估计的系统和方法

    公开(公告)号:US09154338B1

    公开(公告)日:2015-10-06

    申请号:US14321208

    申请日:2014-07-01

    CPC classification number: H04L27/3863 H04L43/12

    Abstract: Systems and methods for estimating IQ imbalance in a communication system are provided, where a first device is configured to perform a self-characterization. The self-characterization is performed by requesting an IQ probe from a second device. The first device receives tones via the IQ probe with frequency separation such that an image related to one IQ imbalance is separated from an image related to another IQ imbalance. IQ imbalance can be estimated by calculating tone to image ratio.

    Abstract translation: 提供了用于估计通信系统中的IQ不平衡的系统和方法,其中第一设备被配置为执行自我表征。 通过从第二个设备请求IQ探测来执行自我表征。 第一个设备通过IQ探头接收频率分离的音调,使得与一个IQ不平衡相关的图像与与另一个IQ不平衡相关的图像分离。 IQ不平衡可以通过计算色调比来估计。

    Method and apparatus for pre-admission messaging in a MoCA network

    公开(公告)号:US11805476B2

    公开(公告)日:2023-10-31

    申请号:US17340489

    申请日:2021-06-07

    CPC classification number: H04W48/16 H04W24/02 H04L41/046

    Abstract: Systems and methods for admitting new nodes into an existing network, for example a MoCA network. As a non-limiting example, various aspects of the present disclosure provide systems and methods for adding a new node to an existing network without requiring on-site manual configuration, for example utilizing communication between the new node and a network coordinator of the existing network prior to admission of the new node to the existing network. The network coordinator is able to determine that sufficient bandwidth is available for the new node to transmit a pre-admission discovery request message that comprises a management entity request network information element (MERNIE).

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