发明申请
- 专利标题: SYSTEM AND METHOD FOR SYNCHRONIZATION, POWER CONTROL, CALIBRATION, AND MODULATION IN COMMUNICATION TRANSMITTERS
- 专利标题(中): 通信发射机同步,功率控制,校准和调制的系统与方法
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申请号: US12048013申请日: 2008-03-13
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公开(公告)号: US20080225981A1公开(公告)日: 2008-09-18
- 发明人: Ajit Kumar Reddy , Qing Li , Walid Khairy Mohamed Ahmed
- 申请人: Ajit Kumar Reddy , Qing Li , Walid Khairy Mohamed Ahmed
- 主分类号: H04L25/49
- IPC分类号: H04L25/49
摘要:
A system is provided for processing a communication signal including a baseband amplitude component and a baseband phase component. The system includes an amplitude predictor configured for closed-loop pre-distortion of a baseband amplitude component, an amplitude lookup table configured for open-loop pre-distortion of the baseband amplitude component, and an amplitude interpolator configured to build up the amplitude lookup table during a closed-loop calibration period. The system also includes a phase predictor configured for closed-loop pre-distortion of a baseband phase component, a phase lookup table configured for open-loop pre-distortion of the baseband phase component, and a phase interpolator configured to build up the phase lookup table during a closed-loop calibration period.
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