发明申请
- 专利标题： ON-CHIP RADIO CALIBRATION
- 专利标题（中）： 片上无线电校准
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申请号： US13299273申请日： 2011-11-17
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公开(公告)号： US20130128931A1公开(公告)日： 2013-05-23
- 发明人: Chung-Chieh Lin , Shih Hsiung Mo , Yan Cui , Chung-Hsing Chang
- 申请人： Chung-Chieh Lin , Shih Hsiung Mo , Yan Cui , Chung-Hsing Chang
- 申请人地址： US CA Santa Clara
- 专利权人： AVIACOMM INC.
- 当前专利权人： AVIACOMM INC.
- 当前专利权人地址： US CA Santa Clara
- 主分类号： H04L25/49
- IPC分类号： H04L25/49 ; H04B1/38
摘要：
One embodiment of the present invention provides a quadrature-mixing transmitter for wireless communication. The transmitter includes a quadrature modulator comprising an in-phase (I) channel and a quadrature (Q) channel, a calibration-signal generator configured to generate calibration signals that are sent to the I channel and the Q channel, and a calibration circuit configured to calibrate an imbalance between the I channel and the Q channel. The modulator, the calibration-signal generator, and the calibration circuit are located on a same integrated circuit (IC) chip, thereby facilitating on-chip calibration of the imbalance between the I channel and the Q channel.
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