Envelope Tracker Path Adaptation for Power Saving

摘要

In response to changing power output requirements of a UE, an envelope tracking (ET) path of a transmission chain changes power modes. When the UE output power is below a threshold, the ET path may switch an ET power supply to a low power mode. With the switch to low power mode, the UE may also set one or more of the other components in the ET path to a low power mode of operation to save additional power.

主权项

1. A system comprising:
a power supply comprising a voltage output and a reference signal input; a power supply path that drives the reference signal input; and a controller operable to:
determine to place the power supply in a low power mode;set the power supply to the low power mode; andimplement a power reduction action in the power supply path in response to determining to place the power supply in low power mode.