ELECTRONIC DEVICE AND WIRELESS COMMUNICATION METHOD OF ELECTRONIC DEVICE

• US 20190028073A1
• Filed: 07/16/2018
• Published: 01/24/2019
• Est. Priority Date: 07/18/2017
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: GHIM, Jae-Gon, KIM, Nam-Woo, KIM, Dong-Han, KIM, Tae-Il
• Application Number:
  US16/036,137
• Publication Number:
  US 20190028073A1
• Time in Patent Office: Days
• CPC Class Codes: H03F 1/0222 by using a signal derived from the input signal
• CPC Class Codes: H03F 2200/102 A non-specified detector of a signal envelope being used in an amplifying circuit
• CPC Class Codes: H03F 2200/504 the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
• CPC Class Codes: H03F 3/189 High-frequency amplifiers, e.g. radio frequency amplifiers
• CPC Class Codes: H03F 3/24 of transmitter output stages
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA

Abstract

Disclosed is an electronic device including: a communication circuit; and a processor operationally connected to the communication circuit, where the processor is configured to use the communication circuit to merge a first transmission signal of a first communication scheme corresponding to a first band that is one of transmission bands of the first communication scheme and a second transmission signal of a second communication scheme corresponding to a second band that is one of the transmission bands, amplify the merged first transmission signal and second transmission signal using a power amplifier, transmit the amplified first transmission signal to a first external electronic device communicating in the first communication scheme, and transmit the amplified second transmission signal to a second external electronic device communicating in the second communication scheme. Other various embodiments are possible.

Claims

1. An electronic device comprising:

a communication circuit; and

a processor operationally connected to the communication circuit, wherein the processor is configured to;

control the communication circuit to merge a first transmission signal of a first communication scheme corresponding to a first band that is one of transmission bands of the first communication scheme and a second transmission signal of a second communication scheme corresponding to a second band that is one of the transmission bands;

amplify the merged first transmission signal and second transmission signal using a power amplifier;

transmit the amplified first transmission signal to a first external electronic device communicating in the first communication scheme; and

transmit the amplified second transmission signal to a second external electronic device communicating in the second communication scheme.

2. The electronic device of claim 1, wherein the first communication scheme is a cellular communication network scheme, and the second communication scheme is a Device-to-Device (D2D) communication scheme based on cellular communication.

3. The electronic device of claim 1, wherein the communication circuit comprises:

a transceiver configured to convert a first baseband transmission signal of the first communication scheme corresponding to the first transmission signal and a second baseband transmission signal of the second communication scheme corresponding to the second transmission signal into the first transmission signal and the second transmission signal;

a first merger configured to merge the first transmission signal and second transmission signal; and

the power amplifier configured to amplify the merged first transmission signal and second transmission signal.

4. The electronic device of claim 3, wherein the communication circuit further comprises:

a first antenna configured to;

transmit the merged first transmission signal and second transmission signal,

receive a first reception signal of the first communication scheme corresponding to reception bands of the first communication scheme, and/or

receive a second reception signal of the second communication scheme corresponding to the second band of the first communication scheme;

a first duplexer configured to separate signals transmitted or received through the first antenna into a signal corresponding to the transmission bands of the first communication scheme and a signal corresponding to the reception bands of the first communication scheme; and

a switch configured to connect the power amplifier and the first duplexer to transmit the second transmission signal or to connect the transceiver and the first duplexer to receive the second reception signal.

5. The electronic device of claim 3, wherein the processor is further configured to:

generate a first fixed voltage corresponding to a maximum output voltage of the first transmission signal or a second fixed voltage corresponding to a maximum output voltage of the second transmission signal, and

amplify the merged first transmission signal and second transmission signal using the power amplifier that is operating based on the generated first fixed voltage or second fixed voltage.

6. The electronic device of claim 3, wherein the processor is further configured to:

generate a first adaptive voltage corresponding to an output voltage of the first transmission signal, the first adaptive voltage being in a form of a first stepwise signal and is generated based on a plurality of predetermined first threshold voltages;

generate a second adaptive voltage corresponding to an output voltage of the second transmission signal, the second adaptive voltage being in a form of a second stepwise signal and is generated based on a plurality of predetermined second threshold voltages;

select an adaptive voltage between the first adaptive voltage and the second adaptive voltage based on a predetermined condition; and

amplify the merged first transmission signal and second transmission signal using the power amplifier that is operating based on the selected adaptive voltage.

7. The electronic device of claim 3, wherein the processor is further configured to:

generate a first adaptive voltage corresponding to an output voltage of the first transmission signal, the first adaptive voltage being in a form of a first stepwise signal and is generated based on a plurality of predetermined first threshold voltages;

generate a second adaptive voltage corresponding to an output voltage of the second transmission signal, the second adaptive voltage being in a form of a second stepwise signal and is generated based on a plurality of predetermined second threshold voltages;

acquire a third adaptive voltage based on the first adaptive voltage or the second adaptive voltage; and

amplify the merged first transmission signal and second transmission signal using the power amplifier that is operating based on the acquired third adaptive voltage.

8. The electronic device of claim 3, wherein the communication circuit further comprises a second merger for merging the first baseband transmission signal and the second baseband transmission signal.

9. The electronic device of claim 8, wherein the processor is further configured to:

merge the first baseband transmission signal and the second baseband transmission signal;

generate an envelope voltage corresponding to an output voltage of the merged first baseband transmission signal and second baseband transmission signal; and

amplify the merged first transmission signal and second transmission signal using the power amplifier that is operating based on the generated envelope voltage.

10. The electronic device of claim 4, wherein the communication circuit further comprises:

a second antenna configured to receive a third reception signal of the first communication scheme corresponding to the reception bands of the first communication scheme or a fourth reception signal of the second communication scheme corresponding to the second band of the first communication scheme; and

a second duplexer configured to separate signals received through the second antenna into a signal corresponding to the second band and a signal corresponding to the reception bands.

11. A computer-readable recording medium having a program recorded therein to be performed on a computer, the program comprising executable instructions that, when executed by a processor, cause the processor to perform operations using a communication circuit operationally connected to the processor, the operations comprising:

merging a first transmission signal of a first communication scheme corresponding to a first band that is one of transmission bands of the first communication scheme and a second transmission signal of a second communication scheme corresponding to a second band that is one of the transmission bands;

amplifying the merged first transmission signal and second transmission signal using a power amplifier;

transmitting the amplified first transmission signal to a first external electronic device communicating in the first communication scheme; and

transmitting the amplified second transmission signal to a second external electronic device communicating in the second communication scheme.

12. The computer-readable recording medium of claim 11, wherein the operations further comprise:

generating a first fixed voltage corresponding to a maximum output voltage of the first transmission signal or a second fixed voltage corresponding to a maximum output voltage of the second transmission signal; and

amplifying the merged first transmission signal and second transmission signal using the power amplifier that is operating based on the generated first fixed voltage or second fixed voltage.

13. The computer-readable recording medium of claim 11, wherein the operations further comprise:

generating a first adaptive voltage corresponding to an output voltage of the first transmission signal, the first adaptive voltage being in a form of a first stepwise signal and is generated based on a plurality of predetermined first threshold voltages;

generating a second adaptive voltage corresponding to an output voltage of the second transmission signal, the second adaptive voltage being in a form of a second stepwise signal and is generated based on a plurality of predetermined second threshold voltages;

selecting an adaptive voltage between the first adaptive voltage and the second adaptive voltage based on a predetermined condition; and

amplifying the merged first transmission signal and second transmission signal using the power amplifier that is operating based on the selected adaptive voltage.

14. The computer-readable recording medium of claim 11, wherein the operations further comprise:

generating a first adaptive voltage corresponding to an output voltage of the first transmission signal, the first adaptive voltage being in a form of a first stepwise signal and is generated based on a plurality of predetermined first threshold voltages;

generating a second adaptive voltage corresponding to an output voltage of the second transmission signal, the second adaptive voltage being in a form of a second stepwise signal and is generated based on a plurality of predetermined second threshold voltages;

acquiring a third adaptive voltage based on the first adaptive voltage or the second adaptive voltage; and

amplifying the merged first transmission signal and second transmission signal using the power amplifier that is operating based on the acquired third adaptive voltage.

15. The computer-readable recording medium of claim 11, wherein the operations further comprise:

merging a first baseband transmission signal of the first communication scheme corresponding to the first transmission signal and a second baseband transmission signal of the second communication scheme corresponding to the second transmission signal;

generating an envelope voltage corresponding to an output voltage of the merged first baseband transmission signal and second baseband transmission signal; and

amplifying the merged first transmission signal and second transmission signal using the power amplifier that is operating based on the generated envelope voltage.

16. An electronic device comprising:

a housing;

an antenna unit at least partially disposed inside or on the housing;

at least one transceiver circuit comprising a first port, a second port, a third port, and a fourth port;

a first merger comprising a first input terminal electrically connected to the first port, a second input terminal electrically connected to the second port, and an output terminal;

a power amplifier comprising an input terminal electrically connected to the output terminal of the first merger and an output terminal; and

a switching unit comprising a first terminal electrically connected to the output terminal of the power amplifier, a second terminal electrically connected to the third port, and a third terminal electrically connected to the antenna unit,

wherein the fourth port is electrically connected to the antenna unit without being electrically connected to the first merger, the power amplifier, and the switching unit, and

wherein the transceiver circuit is configured to;

transmit Long-Term Evolution (LTE) UpLink (UL) transmission data corresponding to a first band that is one of LTE UL bands through the first port,

transmit LTE Device-to-Device (D2D) transmission data corresponding to a second band that is one of the LTE UL bands through the second port,

receive LTE D2D reception data corresponding to the second band through the third port, and

receive LTE DownLink (DL) reception data corresponding to LTE DL bands through the fourth port.

17. The electronic device of claim 16, further comprising a duplexer comprising a first terminal electrically connected to the antenna unit, a second terminal electrically connected to the third terminal of the switching unit, and a third terminal electrically connected to the fourth port,

wherein the duplexer is configured to separate data transmitted or received through the antenna unit into data corresponding to the LTE UL bands and data corresponding to the LTE DL bands.

18. The electronic device of claim 17, wherein the duplexer separates the data using a time division duplex scheme.

19. The electronic device of claim 17, wherein the switching unit is configured to:

switch to the first terminal of the switching unit to connect the power amplifier and the duplexer when the LTE UL transmission data, the LTE D2D transmission data, or the LTE UL transmission data and the LTE D2D transmission data, which are merged through the first merger, is transmitted; and

switch to the second terminal of the switching unit to connect the transceiver and the duplexer when the LTE D2D reception data is received.

20. The electronic device of claim 16, further comprising:

at least one processor configured to control the antenna unit, the transceiver circuit, the first merger, the power amplifier, and the switching unit;

a second merger comprising a first input terminal electrically connected to the processor, a second input terminal electrically connected to the processor, and an output terminal; and

a power controller configured to control an operation of the power amplifier based on an envelope voltage,

wherein the envelope voltage corresponds to an output voltage of baseband transmission data obtained by using the second merger to merge LTE UL baseband transmission data corresponding to the LTE UL transmission data and LTE D2D baseband transmission data corresponding to the LTE D2D transmission data.