Title:
SWITCHED ENVELOPE TRACKING
Document Type and Number:
WIPO Patent Application WO/2021/042088
Kind Code:
A3
Abstract:
Embodiments of circuit, apparatus, and method for switched envelope tracking are disclosed. In an example, a method for switched envelope tracking can include receiving an input signal representative of an intended transmission. The input signal can include a symbol. The method can also include receiving information regarding the symbol separately from the receiving the input signal. The method can further include selecting a processing path from at least two processing paths based on the information regarding the symbol. The method can additionally include processing the input signal based on the selected processing path to provide a control signal. The method can also include supplying the control signal to a power amplifier in parallel to a modified form of the input signal.
Inventors:
GENG JIFENG (US)
Application Number:
PCT/US2020/061406
Publication Date:
April 01, 2021
Filing Date:
November 20, 2020
Export Citation:
Assignee:
ZEKU INC (US)
International Classes:
H03F1/02; G05F1/10; H04B1/04
Foreign References:
| US20090111397A1 | 2009-04-30 | |||
| US20070018718A1 | 2007-01-25 | |||
| US20120146734A1 | 2012-06-14 | |||
| US20140028392A1 | 2014-01-30 | |||
| US9602058B1 | 2017-03-21 |
Attorney, Agent or Firm:
ZOU, Zhiwei (US)
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