发明授权
- 专利标题： Signal transmission equipment
- 专利标题（中）： 信号传输设备
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申请号： US09468919申请日： 1999-12-22
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公开(公告)号： US06389081B1公开(公告)日： 2002-05-14
- 发明人: Satoru Shimizu , Eiichiro Kawakami , Atsuhiko Sugitani , Kiyohito Tokuda
- 申请人： Satoru Shimizu , Eiichiro Kawakami , Atsuhiko Sugitani , Kiyohito Tokuda
- 优先权： JP10-367337 19981224
- 主分类号： H04L2720
- IPC分类号： H04L2720
摘要：
The signal transmission equipment is comprised such that a signal point does not cross the origin of the constellation by selecting signals to be input to the QPSK modulator, and the positions of the signal points in the constellation.
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