发明名称 |
Predistorter and distortion compensation method |
摘要 |
A predistorter includes a distortion compensating unit which gives, in advance, a reverse characteristic of a characteristic of input to output of a power amplifier to a transmission signal which is to be input to the power amplifier; a distortion compensation signal generating unit which generates a distortion compensation signal indicating the reverse characteristic based on transmission data that is sample data of the transmission signal and the delayed transmission data; and a delay amount control unit which controls a delay amount of the transmission data according to an output signal of the power amplifier. |
申请公布号 |
US8619905(B2) |
申请公布日期 |
2013.12.31 |
申请号 |
US20100693695 |
申请日期 |
2010.01.26 |
申请人 |
ISHIKAWA HIROYOSHI;FUDABA NOBUKAZU;UTSUNOMIYA YUICHI;NAGATANI KAZUO;FUJITSU LIMITED |
发明人 |
ISHIKAWA HIROYOSHI;FUDABA NOBUKAZU;UTSUNOMIYA YUICHI;NAGATANI KAZUO |
分类号 |
H04K1/02 |
主分类号 |
H04K1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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