PROTECTION OF A MODULAR CALCULATION
    213.
    发明申请

    公开(公告)号:US20180060566A1

    公开(公告)日:2018-03-01

    申请号:US15442303

    申请日:2017-02-24

    Abstract: A method of protecting a modular calculation on a first number and a second number, executed by an electronic circuit, including the steps of: combining the second number with a third number to obtain a fourth number; executing the modular calculation on the first and fourth numbers, the result being contained in a first register or memory location; initializing a second register or memory location to the value of the first register or to one; and successively, for each bit at state 1 of the third number: if the corresponding bit of the fourth number is at state 1, multiplying the content of the second register or memory location by the inverse of the first number and placing the result in the first register or memory location, if the corresponding bit of the fourth number is at state 0, multiplying the content of the second register or memory location by the first number and placing the result in the first register or memory location.

    Method for estimating a cyclostationary transmission channel, and corresponding receiver

    公开(公告)号:US09838077B2

    公开(公告)日:2017-12-05

    申请号:US15042509

    申请日:2016-02-12

    Abstract: A method is for processing an analog channel signal from a transmission channel. The analog channel signal conveys frames, the transmission channel being linear and cyclostationary for a duration of a frame. The method may include converting of the analog channel signal into a digital channel signal, and performing channel estimations for the frame based upon the digital channel signal to generate a sequence of N transfer functions of the transmission channel. Each of the sequence of N transfer functions may be respectively associated with N successive time slices. The method may include decoding at least some symbols of the frame using, for each of the symbols, a transfer function associated with a successive time slice including a respective symbol.

    Regulator with low dropout voltage and improved stability

    公开(公告)号:US09836070B2

    公开(公告)日:2017-12-05

    申请号:US14937671

    申请日:2015-11-10

    CPC classification number: G05F1/575 H03F3/45179

    Abstract: The regulator with a low dropout voltage comprises an error amplifier comprising a differential pair of input transistors and a circuit with folded cascode structure connected to the output of the said differential pair, an output stage connected to the output node of the error amplifier, and a Miller compensation capacitor connected between the output stage and the cascode node on the output side (XP) of the cascode circuit; the error amplifier furthermore comprises at least one inverting amplifier module in a feedback loop between the said cascode node and the gate of the cascode transistor of the cascode circuit connected between the said cascode node and the said output node.

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