| 发明名称 | Transmission signal power control device and communication apparatus | ||
| 摘要 | A transmission signal power control device includes: at least one low-power attenuator configured to attenuate amplitude of a transmission signal when an absolute value of the amplitude of the transmission signal is smaller than or equal to a clipping threshold; a power amplifier configured to amplify the transmission signal output from the at least one low-power attenuator; and a control unit configured to stop operation of the power amplifier when the absolute value of the amplitude of the transmission signal is smaller than or equal to a value and operate the power amplifier when the absolute value of the amplitude of the transmission signal is larger than the value. | ||
| 申请公布号 | US9252714(B2) | 申请公布日期 | 2016.02.02 |
| 申请号 | US201314067115 | 申请日期 | 2013.10.30 |
| 申请人 | FUJITSU LIMITED | 发明人 | Lozhkin Alexander Nikolaevich |
| 分类号 | H04B7/00;H03F1/02;H03F3/24;H04W52/52 | 主分类号 | H04B7/00 |
| 代理机构 | Arent Fox LLP | 代理人 | Arent Fox LLP |
| 主权项 | 1. A transmission signal power control device, comprising: at least one low-power attenuator configured to attenuate an amplitude of a transmission signal when an absolute value of the amplitude of the transmission signal is smaller than or equal to a clipping threshold; a power amplifier configured to amplify the transmission signal output from the at least one low-power attenuator; and a control unit configured to stop operation of the power amplifier when an output signal from the at least one low-power attenuator is smaller than or equal to a value based on the clipping threshold and operate the power amplifier when the absolute value of the amplitude of the transmission signal is larger than the value. | ||
| 地址 | Kawasaki JP | ||