Electronic device and method for wireless communication

Patent metadata

Field	Value
Publication number	US-11962341-B2
Application number	US-202117562333-A
Country	US
Kind code	B2
Filing date	Dec 27, 2021
Priority date	Dec 24, 2020
Publication date	Apr 16, 2024
Grant date	Apr 16, 2024

Abstract

The disclosure relates to an electronic device and a method for wireless communication including a power amplification circuit. According to an embodiment, an electronic device may include: a radio frequency processing module comprising radio frequency circuitry, a first power amplification circuit connected to the radio frequency processing module, a second power amplification circuit connected to the radio frequency processing module and the first power amplification circuit, and a front-end module comprising circuitry connected to the second power amplification circuit and an antenna and configured to transmit a signal, wherein the second power amplification circuit is configured to acquire, from the first power amplification circuit, a first signal obtained by amplifying a signal output from the radio frequency processing module and a second signal by amplifying a signal output from the radio frequency processing module.

First claim

What is claimed is:

1. An electronic device comprising:
a radio frequency processing module comprising radio frequency circuitry;
a first power amplification circuit connected to the radio frequency processing module;
a second power amplification circuit connected to the radio frequency processing module and the first power amplification circuit; and
a front-end module comprising circuitry connected to the second power amplification circuit and an antenna and configured to transmit a signal,
wherein the second power amplification circuit is configured to acquire, from the first power amplification circuit, a first signal obtained by amplifying a signal output from the radio frequency processing module and acquire a second signal by amplifying a signal output from the radio frequency processing module, based on a combination of frequency bands for a first communication scheme and a second communication scheme, and
to switch at least one of the first signal or the second signal to at least one output port connected to the front-end module, based on a first frequency band of the first signal and a second frequency band of the second signal.

2. The electronic device of claim 1 , further comprising a processor electrically connected to the radio frequency processing module and configured to control operations of the first power amplification circuit and the second power amplification circuit,
wherein the front-end module is configured to transmit at least one of the first signal or the second signal input through the at least one output port, through the antenna,
wherein the first communication scheme corresponds to a 5G communication scheme, and
wherein the second communication scheme corresponds to a 4G communication scheme.

3. The electronic device of claim 1 , wherein the first power amplification circuit comprises at least one power amplifier configured to amplify at least one signal input from the radio frequency processing module, and
is configured to output at least one signal output from the at least one power amplifier, to the second power amplification circuit through at least one output port connected to the second power amplification circuit,
wherein the at least one amplified signal comprises the first signal of the first communication scheme.

4. The electronic device of claim 1 , wherein the second power amplification circuit comprises:
at least one power amplifier configured to amplify at least one signal input from the radio frequency processing module; and
a switch module comprising at least one switch configured to switch at least one signal amplified from the at least one power amplifier and at least one signal input from the first power amplification circuit, to the at least one output port connected to the front-end module.

5. The electronic device of claim 4 , wherein the switch module comprises at least one switch connected to at least one output port of the first power amplification circuit and at least one switch connected to at least one amplifier of the second power amplification circuit, and
wherein the at least one amplified signal comprises the second signal of the second communication scheme.

6. The electronic device of claim 4 , wherein the switch module is configured to switch the first signal to a first output port among the least one output port to transmit the first signal, and
to switch the second signal to a second output port among the at least one output port to transmit the second signal, and
wherein the first frequency band is different from the second frequency band.

7. The electronic device of claim 4 , wherein the switch module is configured to switch one of the first signal or the second signal to one of the at least one output port based on the first frequency band being identical to the second frequency band.

8. The electronic device of claim 1 , wherein the front-end module comprises a switch module comprising at least one switch configured to switch at least one signal output from at least one of the first power amplification circuit or the second power amplification circuit,
wherein based on the first signal is input from at least one of the first power amplification circuit or the second power amplification circuit and the second signal being input from the second power amplification circuit, the switch module is configured to switch the first signal to a first output port among output ports of the front-end module connected to the antenna, and
to switch the second signal to a second output port among the output ports of the front-end module, and
wherein the first frequency band is different from the second frequency band.

9. The electronic device of claim 8 , wherein the switch module is configured to switch one of the first signal or the second signal to one of the output ports of the front-end module based on the first signal being input from at least one of the first power amplification circuit or the second power amplification circuit and the second signal being input from the second power amplification circuit, and
wherein the first frequency band is identical to the second frequency band.

10. A method for wireless communication in an electronic device comprising a wireless communication module, the method comprising:
amplifying a signal output from a radio frequency processing module of the wireless communication module, by a first power amplification circuit of the wireless communication module, based on a combination of frequency bands for a first communication scheme and a second communication scheme;
acquiring, as a first signal, an amplification signal output from the first power amplification circuit, and acquiring a second signal by amplifying a signal output from the radio frequency processing module, based on the combination of the frequency bands, by a second power amplification circuit of the wireless communication module; and
switching at least one of the first signal or the second signal to at least one output port connected to a front-end module of the wireless communication module, by the second power amplification circuit, based on a first frequency band of the first signal and a second frequency band of the second signal.

11. The method of claim 10 , further comprising:
amplifying the first signal to be transmitted in the first frequency band of the first communication scheme, by the first power amplification circuit;
outputting the first signal upon an input of the second power amplification circuit; and
transmitting at least one of the first signal or the second signal input through the at least one output port, through the antenna by the front-end module,
wherein the first communication scheme corresponds to a 5G communication scheme, and
wherein the second communication scheme corresponds to a 4G communication scheme.

12. The method of claim 10 , wherein the switching of at least one of the first signal or the second signal to the at least one of the output port connected to the front-end module of the wireless communication module comprises:
switching, by the second power amplification circuit, the first signal to a first output port among the least one output port to transmit the first signal; and
switching the second signal to a second output port among the at least one output port to transmit the second signal, and
wherein the first frequency band is different from the second frequency band.

13. The method of claim 10 , wherein the switching of at least one of the first signal or the second signal to the at least one output port connected to the front-end module of the wireless communication module comprises switching one of the first sig

Assignees

• Samsung Electronics Co Ltd

Inventors

• Lee Yousung
• Yang Dongil
• Na Hyoseok
• Lee Doohwan

Classifications

• H04B1/44 Primary

  Transmit/receive switching · CPC title

• H03F3/24

  of transmitter output stages · CPC title

• H03F2200/451

  the amplifier being a radio frequency amplifier · CPC title

• H03F3/245

  with semiconductor devices only · CPC title

• H03F3/195

  in integrated circuits · CPC title