Dynamic operating bandwidth configuration for an envelope tracker
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United States of America Patent
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Jan 31, 2017
Grant Date -
Jun 5, 2014
app pub date -
Jun 20, 2013
filing date -
Dec 3, 2012
priority date (Note) -
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Abstract
A communication device, such as a smart phone, receives operational parameters from a network controller. The operational parameters may include, as examples, bandwidth allocation, center frequency, and receive/transmit band assignments. The operational parameters (e.g., bandwidth allocation) may change on a subframe by subframe basis. In response to the operational parameters, the communication device determines a new configuration for an envelope tracking (ET) power supply. The communication device modifies the ET power supply to implement the new configuration. The new configuration may be chosen to adapt the ET power supply to meet the demands of the operation parameters, without excess power consumption.
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