Electronic device including antenna for supporting multiple communications

Patent metadata

Field	Value
Publication number	US-12155118-B2
Application number	US-202217966888-A
Country	US
Kind code	B2
Filing date	Oct 17, 2022
Priority date	Sep 24, 2021
Publication date	Nov 26, 2024
Grant date	Nov 26, 2024

Abstract

An electronic device includes a first communication circuit including a first transmission port which outputs a transmission signal of first communication and a first reception port which receives a reception signal of the first communication, a second communication circuit including a second transmission port which outputs a transmission signal of second communication and a second reception port which receives a reception signal of the second communication, a first branching filter connected to a first antenna and the first communication circuit, a second branching filter connected to a second antenna and the first communication circuit, a first switch connected to the second communication circuit through the second transmission port and the second reception port and connected to switch between the first branching filter, the second branching filter, and a third antenna, and a fourth antenna connected to the second communication circuit through the second reception port.

First claim

The invention claimed is:

1. An electronic device comprising:
a first communication circuit comprising:
a first transmission port which outputs a transmission signal of first communication; and
a first reception port which receives a reception signal of the first communication;

a second communication circuit comprising:
a second transmission port which outputs a transmission signal of second communication; and
a second reception port which receives a reception signal of the second communication;

a first branching filter connected to a first antenna and the first communication circuit;
a second branching filter connected to a second antenna and the first communication circuit;
a first switch connected to the second communication circuit through the second transmission port and the second reception port and connected to switch between the first branching filter, the second branching filter, and a third antenna; and
a fourth antenna connected to the second communication circuit through the second reception port,
wherein the second communication circuit:
controls the first switch to perform a first function through which a transmission signal of the second communication is transmitted by one of the first antenna and the second antenna and, simultaneously with the transmission, a reception signal of the second communication is received by a remaining one of the first antenna and the second antenna,
controls the first switch to perform a second function through which a transmission signal of the second communication is transmitted by one antenna of the first antenna and the second antenna and a reception signal of the second communication is received by the one antenna, and
controls the first switch to perform a third function through which a reception signal of the second communication is received by the third antenna and the fourth antenna.

2. The electronic device of claim 1 , wherein the second communication circuit controls the first switch to connect the second communication circuit to one of the first branching filter or the second branching filter, based on a frequency band of the transmission signal of the second communication or the reception signal of the second communication.

3. The electronic device of claim 1 , wherein a frequency band of the second communication partially overlaps a frequency band of the first communication.

4. The electronic device of claim 1 , further comprising a processor operatively connected to the second communication circuit,
wherein the processor determines, based on the transmission signal transmitted through the first function and the reception signal received through the first function, a position in which the transmission signal is reflected.

5. The electronic device of claim 1 , further comprising a processor operatively connected to the second communication circuit,
wherein the processor determines, based on the transmission signal transmitted through the second function and the reception signal received through the second function, a distance from an external electronic device which has transmitted the reception signal.

6. The electronic device of claim 1 , further comprising a processor operatively connected to the second communication circuit,
wherein the processor determines, based on the reception signal received through the third function, an angle of arrival (“AoA”) of the reception signal.

7. The electronic device of claim 1 , wherein at least one of the first antenna and the second antenna comprises a laser direct structuring antenna (“LDS” antenna).

8. The electronic device of claim 1 , wherein the third antenna comprises a patch antenna.

9. The electronic device of claim 1 , further comprising:
a second switch which is connected to the first communication circuit through the first transmission port and the first reception port, is connected to the first branching filter, and switches between the first communication circuit and the first switch; and
a third switch which is connected to the first communication circuit through the first transmission port and the first reception port, and is connected to the second branching filter, and switches between the first communication circuit and the first switch,
wherein the second communication circuit controls, when the first function is performed, the second switch and the third switch to:
transfer a signal of at least a partial frequency band, among reception signals of the second communication received through the first antenna or the second antenna, to the second communication circuit through the first switch, and
transmit a signal of at least a partial frequency band, among transmission signals of the second communication, to an outside through the first antenna or the second antenna.

10. The electronic device of claim 9 , wherein the signal of the at least partial frequency band comprises a frequency band overlapping a frequency band of the first communication.

11. The electronic device of claim 9 , wherein the first branching filter is connected to the first communication circuit and transfers a signal having a frequency band which does not overlap a frequency band of the second communication, among signals of the first communication, and the transferred signal is transmitted or received through the first antenna, and
the first branching filter is connected to the second switch and transfers a signal having a frequency band overlapping the frequency band of the second communication among the signals of the first communication and a signal having a frequency band overlapping a frequency band of the first communication among signals of the second communication, and the transferred signals are transmitted or received through the first antenna.

12. The electronic device of claim 9 , wherein the second branching filter is connected to the first communication circuit and transfers a signal having a frequency band which does not overlap a frequency band of the second communication, among signals of the first communication, and the transferred signal is transmitted or received through the second antenna, and
the second branching filter is connected to the third switch and transfers a signal having a frequency band overlapping the frequency band of the second communication among the signals of the first communication and a signal having a frequency band overlapping a frequency band of the first communication among signals of the second communication, and the transferred signals are transmitted or received through the second antenna.

13. The electronic device of claim 9 , wherein the second communication comprises ultra-wide band (“UWB”) communication, and
the at least partial frequency band comprises a frequency band of 6.25 gigahertz to 6.75 gigahertz.

14. The electronic device of claim 1 , further comprising a third communication circuit comprising a third transmission port which outputs a transmission signal of third communication and a third reception port which receives a reception signal of the third communication,
wherein the second branching filter is connected to the second antenna, the first switch, and the third communication circuit,
a reception signal of the third communication, among signals received by the second antenna, is transferred to the third communication circuit through the second branching filter, and
a reception signal of the second communication, among signals received by the second antenna, is transferred to the first switch through the second branching filter.

15. The electronic device of claim 14 , wherein the third communication comprises cellular communicat

Assignees

• Samsung Electronics Co Ltd

Inventors

• Nam Janghyun
• Kim Geonwoo
• Wang Gyesung

Classifications

• H01Q1/243

  with built-in antennas · CPC title

• H04B1/52

  Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa · CPC title

• H04B1/44

  Transmit/receive switching · CPC title

• H04B1/401

  for selecting or indicating operating mode · CPC title

• H04B1/00

  Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission · CPC title