发明名称 |
PA GAIN STATE SWITCHING BASED ON WAVEFORM LINEARITY |
摘要 |
Techniques for optimizing the power consumption of existing low cost multi-gain state power amplifiers (PA) to increase the talk time of wireless communication devices are described. In an exemplary embodiment a device, such as a baseband processor, operates to set a multistage PA having at least two gain states for amplifying a transmit signal to a lowest power consuming gain state. The device calculates a transition power level as a function of an identified maximum power reduction (MPR) value and switches the PA to a higher gain state from a lower gain state when a transmission power level is higher than the calculated transition power level. |
申请公布号 |
EP2422448(A1) |
申请公布日期 |
2012.02.29 |
申请号 |
EP20100716671 |
申请日期 |
2010.04.21 |
申请人 |
QUALCOMM INCORPORATED |
发明人 |
VERMA, SUMIT;CHELLAPPA, VIJAY, K.;SAHOTA, GURKANWAL, SINGH |
分类号 |
H03G3/30;H04W52/52 |
主分类号 |
H03G3/30 |
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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