Invention Grant
US08948713B2 Antenna impedance/power amplifier source impedance measurement circuitry and device operation based thereon
有权
天线阻抗/功率放大器源阻抗测量电路和基于此的设备操作
- Patent Title: Antenna impedance/power amplifier source impedance measurement circuitry and device operation based thereon
- Patent Title (中): 天线阻抗/功率放大器源阻抗测量电路和基于此的设备操作
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Application No.: US12814249Application Date: 2010-06-11
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Publication No.: US08948713B2Publication Date: 2015-02-03
- Inventor: Konrad Kratochwil , Marcellus Forbes , Arya Reza Behzad
- Applicant: Konrad Kratochwil , Marcellus Forbes , Arya Reza Behzad
- Applicant Address: US CA Irvine
- Assignee: Broadcom Corporation
- Current Assignee: Broadcom Corporation
- Current Assignee Address: US CA Irvine
- Agency: Garlick & Markison
- Agent Randy W. Lacasse
- Main IPC: H03C1/62
- IPC: H03C1/62 ; H04W52/52 ; H04B17/00 ; H04W52/02

Abstract:
A wireless device includes impedance determination and processing circuitry. The impedance determination circuitry determines load impedance at an output of at least one Radio Frequency (RF) power amplifier of the wireless device. The processing circuitry couples to the impedance determination circuitry and alters at least one operating parameter of the wireless device based upon the determined load impedance. Alteration of at least one operating parameter of the wireless device may include altering a gain of at least one transmit path component, altering a gain of at least one receive path component, altering tuning settings of at least one transmit path component, altering tuning settings of at least one receive path component, altering a rail voltage setting, altering baseband processing pre-distortion settings, altering baseband processing receive signal processing operations, altering antenna configuration settings, altering antenna tuning parameters, altering antenna diversity settings, and altering Multi Input Multi Output (MIMO) settings.
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