发明名称 |
RADIO TRANSMITTER FOR DIGITAL TRS BASESTATION, RF TRANSMITTER, AND METHOD OF LINEARIZING POWER AMPLIFIER |
摘要 |
PURPOSE: A digital TRS(Trunked Radio System) base station transmission apparatus, wireless communication apparatus, and power amplification linearization method are provided to promote transmission signal quality by linearizing a power amplifier. CONSTITUTION: A combination apparatus(101) combines modulated signals of frequency channels. A power amplification unit(102) amplifies the combined and modulated signals outputted from the combination apparatus. The power amplification unit creates transmission signals. A demodulation unit demodulates a feedback signal created from the transmission signal in a frequency channel. The modulation unit creates the Cartersian feedback signal of the frequency channel.
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申请公布号 |
KR20120116790(A) |
申请公布日期 |
2012.10.23 |
申请号 |
KR20110034444 |
申请日期 |
2011.04.13 |
申请人 |
CELETRA INC. |
发明人 |
JUNG, YOUNG JU;CHUNG, JIN HYUN;KIM, PIL HO;PARK, SE II;ROH, JOO SUNG;CHOI, WOONG KYU |
分类号 |
H04B1/04;H04W88/08 |
主分类号 |
H04B1/04 |
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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