发明授权
- 专利标题： Receiving apparatus, base station apparatus using same and radio communication system
- 专利标题（中）： 接收装置，使用其的基站装置和无线通信系统
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申请号： US09637830申请日： 2000-08-11
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公开(公告)号： US06690921B1公开(公告)日： 2004-02-10
- 发明人: Toshihiro Nagayama , Kazuhiko Ikeda , Kazuhiko Takeyama , Koji Ishii , Takayoshi Morino
- 申请人： Toshihiro Nagayama , Kazuhiko Ikeda , Kazuhiko Takeyama , Koji Ishii , Takayoshi Morino
- 优先权： JP11-248041 19990901
- 主分类号： H04B1700
- IPC分类号： H04B1700
摘要：
A gain of a receiving amplifier can be measured by inputting pilot signals each having a different frequency into an input side and an output side of the receiving amplifier respectively, then detecting these pilot signals respectively by a main apparatus having an abnormality detecting function, and then comparing their relative values.
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