Patent ID: 11956108
Assignee: SKYWORKS SOLUTIONS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A front end system comprising:
a power amplifier configured to amplify a radio frequency signal to provide an amplified radio frequency signal on an amplifier output;
an antenna switch coupled to the amplifier output and configured to switch between providing the amplifier output to a first antenna terminal and providing the amplifier output to a second antenna terminal; and
a controller configured to receive a trigger command that initiates an ordered list of commands that cause in the following order: a reduction in a gain of the power amplifier to protect the power amplifier, an actuation of the antenna switch to switch between providing the amplifier output to the first antenna terminal to providing the amplifier output the second antenna terminal, and an increase in the gain of the power amplifier prior to transmission of a sounding reference symbol to the second antenna terminal with the power amplifier and without blank symbols.