| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce a loss of a synthesized transmission signal by improving phase correction accuracy by digitally controlling phase correction of each distribution signal. <P>SOLUTION: This radio base station comprises: a baseband processing part for generating a baseband signal of each carrier; a carrier synthesizing part for synthesizing baseband signals of each carrier; a plurality of transmitters 230 for performing phase correction of the synthesized base band signal, digital/analog conversion, up-conversion and power amplification in parallel; a synthesizer 240 for synthesizing respective transmission output signals; a coupler 250 for extracting an output of the synthesizer; and a receiver 260 for down-converting the output of the coupler 250, analog/digital converting the output and generating a phase correction signal, or the like. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
