发明申请
US20100150013A1 CALIBRATION METHOD, COMMUNICATION SYSTEM, FREQUENCY CONTROL METHOD, AND COMMUNICATION DEVICE
审中-公开
校准方法，通信系统，频率控制方法和通信装置
- 专利标题： CALIBRATION METHOD, COMMUNICATION SYSTEM, FREQUENCY CONTROL METHOD, AND COMMUNICATION DEVICE
- 专利标题（中）： 校准方法，通信系统，频率控制方法和通信装置
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申请号： US12600841申请日： 2008-01-10
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公开(公告)号： US20100150013A1公开(公告)日： 2010-06-17
- 发明人: Yoshitaka Hara , Akinori Taira , Kenichi Tajima , Kazunari Kihira , Michiaki Takano , Kazuaki Ishioka , Yasunori Nouda
- 申请人： Yoshitaka Hara , Akinori Taira , Kenichi Tajima , Kazunari Kihira , Michiaki Takano , Kazuaki Ishioka , Yasunori Nouda
- 申请人地址： JP Tokyo
- 专利权人： Mitsubishi Electric Corporation
- 当前专利权人： Mitsubishi Electric Corporation
- 当前专利权人地址： JP Tokyo
- 优先权： JP2007-142441 20070529
- 国际申请： PCT/JP08/50207 WO 20080110
- 主分类号： H04J1/16
- IPC分类号： H04J1/16 ; H04J3/00 ; H04W72/00
摘要：
A calibration method according to the present invention includes a step of first channel estimating for transmitting a pilot signal from a first antenna and receiving the pilot signal at a second antenna different from the first antenna to calculate a first channel estimation value; a step of second channel estimating for transmitting a plot signal from the second antenna and receiving the pilot signal at the first antenna to calculate a second channel estimation value; and a step of correction coefficient calculating for calculating, by using the first and second channel estimation values, a correction coefficient.
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