1.
    发明专利
    未知

    公开(公告)号:DE69937458T2

    公开(公告)日:2008-08-28

    申请号:DE69937458

    申请日:1999-09-07

    Applicant: QUALCOMM INC

    Abstract: The present invention relates to a method and a system of controlling the gain input into an antenna of a gateway. Based on the obtained antenna elevation a path gain is calculated. Together with the obtained transponder gain and the obtained antenna dish gain the path gain is used to calculate a common gateway gain. This common gateway gain is used to adjust the gain a variable gain amplifier.

    2.
    发明专利
    未知

    公开(公告)号:AT377297T

    公开(公告)日:2007-11-15

    申请号:AT99945589

    申请日:1999-09-07

    Applicant: QUALCOMM INC

    Abstract: The present invention relates to a method and a system of controlling the gain input into an antenna of a gateway. Based on the obtained antenna elevation a path gain is calculated. Together with the obtained transponder gain and the obtained antenna dish gain the path gain is used to calculate a common gateway gain. This common gateway gain is used to adjust the gain a variable gain amplifier.

    3.
    发明专利
    未知

    公开(公告)号:DE69941138D1

    公开(公告)日:2009-08-27

    申请号:DE69941138

    申请日:1999-09-07

    Applicant: QUALCOMM INC

    Abstract: The present invention relates to a method and a system of controlling the gain input into an antenna of a gateway. Based on the obtained antenna elevation a path gain is calculated. Together with the obtained transponder gain and the obtained antenna dish gain the path gain is used to calculate a common gateway gain. This common gateway gain is used to adjust the gain a variable gain amplifier.

    4.
    发明专利
    未知

    公开(公告)号:BR0307099A

    公开(公告)日:2005-02-01

    申请号:BR0307099

    申请日:2003-01-27

    Applicant: QUALCOMM INC

    Abstract: A wireless transceiver includes a transmitter having a harmonic rejection mixer and an RF output phase-locked loop in a two step up-conversion architecture, and a direct conversion receiver. The transmitter includes a local oscillator for producing a signal at a multiple of an intermediate frequency, a quadrature modulator harmonic rejection mixer responsive to the signal at the multiple of the intermediate frequency for modulating in-phase and quadrature-phase base-band signals to produce an intermediate frequency signal, a filter responsive to the intermediate frequency signal for producing a filtered intermediate frequency signal, and an RF output offset phase-locked loop responsive to the filtered intermediate frequency signal and the signal at the multiple of the intermediate frequency for producing an RF transmission signal. The harmonic rejection mixer reduces filtering requirements to facilitate a high level of circuit integration. The local oscillator may use a integer or fractional-N phase-locked loop.

    System and method for estimating power

    公开(公告)号:AU4034900A

    公开(公告)日:2000-11-21

    申请号:AU4034900

    申请日:2000-03-27

    Applicant: QUALCOMM INC

    Abstract: A system and method for estimating the power of a signal. The signal is compared to and separated into a plurality of ranges. Each range is assigned a particular output value. The output values approximate the square of the input signal based on known characteristics of the input signal. A low pass filter is used to average a plurality of the output values.

    6.
    发明专利
    未知

    公开(公告)号:DE69937458D1

    公开(公告)日:2007-12-13

    申请号:DE69937458

    申请日:1999-09-07

    Applicant: QUALCOMM INC

    Abstract: The present invention relates to a method and a system of controlling the gain input into an antenna of a gateway. Based on the obtained antenna elevation a path gain is calculated. Together with the obtained transponder gain and the obtained antenna dish gain the path gain is used to calculate a common gateway gain. This common gateway gain is used to adjust the gain a variable gain amplifier.

    System and method for estimating power

    公开(公告)号:AU772244B2

    公开(公告)日:2004-04-22

    申请号:AU4034900

    申请日:2000-03-27

    Applicant: QUALCOMM INC

    Abstract: A system and method for estimating the power of a signal. The signal is compared to and separated into a plurality of ranges. Each range is assigned a particular output value. The output values approximate the square of the input signal based on known characteristics of the input signal. A low pass filter is used to average a plurality of the output values.

    TRANSCEIVER USING A HARMONIC REJECTION MIXER

    公开(公告)号:CA2474129A1

    公开(公告)日:2003-08-07

    申请号:CA2474129

    申请日:2003-01-27

    Applicant: QUALCOMM INC

    Abstract: A wireless transceiver includes a transmitter having a harmonic rejection mixer and an RF output phase-locked loop in a two step up-conversion architecture, and a direct conversion receiver. The transmitter includes a local oscillator for producing a signal at a multiple of an intermediate frequency, a quadrature modulator harmonic rejection mixer responsive to the signal at the multiple of the intermediate frequency for modulating in-phase and quadrature-phase base-band signals to produce an intermediate frequency signal, a switchable signal responsive to the intermediate frequency signal for producing a filtered intermediate frequency signal, and an RF output offset phase-locked loop responsive to the filtered intermediate frequency signal and the signal at the multiple of the intermediate frequency for producing an RF transmission signal. The harmonic rejection mixer reduces filtering requirements to facilitate a high level of circuit integration whi le the output offset phase-locked loop reduces the power consumption. TheThe switchability of the filter allows the utilisation of the transceiver for EGSM, DCS and PCS communication. The local oscillator may use a integer or fractional-N phase-locked loop.

    System and method for estimating power

    公开(公告)号:HK1044242A1

    公开(公告)日:2002-10-11

    申请号:HK02105834

    申请日:2002-08-09

    Applicant: QUALCOMM INC

    Abstract: A system and method for estimating the power of a signal. The signal is compared to and separated into a plurality of ranges. Each range is assigned a particular output value. The output values approximate the square of the input signal based on known characteristics of the input signal. A low pass filter is used to average a plurality of the output values.

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