Electronic device for providing virtual antenna array for radar system
An electronic device may include an integrated circuit (IC) including a switch and a plurality of paths that may include a first transmit (Tx) path, a second Tx path, a first receive (Rx) path, and a second Rx path; a first antenna electrically connected with the first Tx path from among the plurality of paths; a second antenna electrically connectable with the second Tx path or the second Rx path from among the plurality of paths via the switch; a third antenna electrically connected with the first Rx path from among the plurality of paths; and at least one processor operably coupled with the IC.
1 . An electronic device comprising:
integrated circuitry (IC) comprising a switch and a plurality of paths that comprise a first transmit (Tx) path, a second Tx path, a first receive (Rx) path, and a second Rx path;
a first antenna electrically connected with the first Tx path from among the plurality of paths;
a second antenna electrically connectable with the second Tx path or the second Rx path from among the plurality of paths via the switch;
a third antenna electrically connected with the first Rx path from among the plurality of paths, wherein the first, second, and third antennas are arranged in a straight line, and wherein the third antenna is positioned between the first and second antennas;
memory comprising one or more storage media storing instructions; and
at least one processor,
wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to:
receive, through the second antenna electrically connected with the second Rx path via the switch and the third antenna electrically connected with the first Rx path, first reflection signals regarding a first signal transmitted within a first time interval through the first antenna electrically connected with the first Tx path, within the first time interval; and
receive, through the third antenna electrically connected with the first Rx path, second reflection signals regarding a second signal transmitted within a second time interval different from the first time interval through the second antenna electrically connected via the switch with the second Tx path, within the second time interval.
2 . The electronic device of claim 1 , further comprising:
a housing comprising the IC, the first antenna, the second antenna, the third antenna, the memory, and the at least one processor; and
a display, visible from a front side of the housing, comprising a first periphery, a second periphery parallel to the first periphery, a third periphery extending from a first end of the first periphery to a first end of the second periphery corresponding to the first end of the first periphery, and a fourth periphery extending from a second end of the first periphery to a second end of the second periphery corresponding to the second end of the first periphery, the fourth periphery parallel to the third periphery,
wherein the first antenna, the second antenna, and the third antenna are disposed along the first periphery.
3 . The electronic device of claim 2 , wherein the first antenna, the second antenna, and the third antenna are disposed on a metal plate that has a mesh pattern and is disposed along the first periphery, and
wherein the metal plate is included in the display to be visible from the front side of the housing.
4 . The electronic device of claim 3 , wherein the front side of the housing comprises a surface that comprises the display and a bezel area surrounding the display,
wherein the electronic device further comprises:
at least one connector that is disposed under the bezel area and is disposed along a periphery of the front side of the housing parallel to the first periphery of the display;
a first feedline connecting the first antenna to the at least one connector;
a second feedline connecting the second antenna to the at least one connector; and
a third feedline connecting the third antenna to the at least one connector, and
wherein the at least one connector is configured to electrically connect the IC with each of the first antenna, the second antenna, and the third antenna.
5 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to:
receive, within the first time interval, the first reflection signals through the second antenna and the third antenna;
control, in response to the reception of the first reflection signals, the switch to electrically disconnect the second Rx path from the second antenna and electrically connect the second Tx path with the second antenna; and
receive, based on the controlling of the switch, the second reflection signals through the third antenna within the second time interval.
6 . The electronic device of claim 1 , further comprising:
a fourth antenna, wherein the first, second, third, and fourth antennas are arranged in a straight line, and wherein the fourth antenna is positioned between the first and second antennas,
wherein the IC further comprises a third Rx path,
wherein the fourth antenna is electrically connected with the third Rx path, and
wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to:
receive, through the second antenna, the third antenna, and the fourth antenna, the first reflection signals regarding the first signal for use of three virtual antennas in a virtual antenna array, within the first time interval; and
receive, through the third antenna and the fourth antenna, the second reflection signals regarding the second signal for use of two virtual antennas in the virtual antenna array, within the second time interval, the two virtual antennas distinct from the three virtual antennas.
7 . The electronic device of claim 1 , wherein the first Tx path comprises a first power amplifier (PA) for setting Tx power of the first signal,
wherein the second Tx path comprises a second PA for setting Tx power of the second signal,
wherein the first Rx path comprises a first low noise amplifier (LNA), a first mixer, and/or a first filter, and
wherein the second Rx path comprises a second LNA, a second mixer, and/or a second filter.
8 . The electronic device of claim 7 , wherein the switch is configured to, based on controlling of the at least one processor, electrically connect the second PA with the second antenna or electrically connect the second LNA with the second antenna.
9 . The electronic device of claim 7 , wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to:
receive the first reflection signals through the second antenna and the third antenna within the first time interval;
control, in response to the reception of the first reflection signals, the switch to electrically disconnect the second Rx path from the second antenna and electrically connect the second antenna with the second Tx path;
turn on, in response to the controlling of the switch, the second PA;
transmit the second signal through the second antenna by using the second PA that is turned on; and
receive the second reflection signals regarding the second signal through the third antenna within the second time interval.
10 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to obtain at least one of first data regarding relative location between the electronic device and an external object around the electronic device, based on the first reflection signals and the second reflection signals.
11 . The electronic device of claim 1 , wherein each of the first reflection signals is a signal that the first signal is reflected from the external object, and
wherein each of the second reflection signals is a signal that the second signal is reflected from the external object.
12 . The electronic device of claim 1 , wherein the IC is used for communication with an external electronic device, by supporting an antenna array comprising a plurality of antenna elements, and
wherein each of the first time interval and the second time interval is distinct from a third time interval that communicates with an external electronic device.
13 . The electronic device of claim 1 , wherein each of the first signal and the second signal is a signal having frequency changed according to time.
14 . An electronic device comprising:
a plurality of antennas comprising a first antenna, a second antenna, a third antenna, a fourth antenna, a fifth antenna, and a sixth antenna, the first, third, and sixth antennas are arranged in a first straight line, wherein the second, fourth, and fifth antennas are arranged in a second straight line substantially parallel to the first straight line, wherein the sixth antenna is positioned between the first and third antennas, and wherein the fifth antenna is positioned between the second and fourth antennas;
integrated circuitry (IC) comprising:
a first switch,
a second switch,
a transmit (Tx) path electrically connectable with the first antenna or the second antenna from among the plurality of antennas via the first switch,
a first receive (Rx) path electrically connected with the third antenna from among the plurality of antennas,
a second Rx path electrically connected with the fourth antenna from among the plurality of antennas, and
a third Rx path electrically connectable with the fifth antenna or sixth antenna from among the plurality of antennas via the second switch;
memory comprising one or more storage media storing instructions; and
at least one processor
wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to:
receive, through the third antenna, the fourth antenna, and the fifth antenna electrically connected with the third Rx path via the second switch, first reflection signals regarding a first signal transmitted within a first time interval through the first antenna electrically connected with the Tx path via the first switch, within the first time interval; and
receive, through the third antenna, the fourth antenna, and the sixth antenna electrically connected with the third Rx path via the second switch, second reflection signals regarding a second signal transmitted through the second antenna electrically connected with the Tx path via the first switch within a second time interval different from the first time interval, within the second time interval.
15 . The electronic device of claim 14 , wherein the at least one processor is configured to:
receive the first reflection signals regarding the first signal transmitted through the first antenna, through the third antenna, the fourth antenna, and the fifth antenna, within the first time interval;
control, in response to the reception of the first reflection signals, the first switch to electrically disconnect the first antenna from the Tx path and electrically connect the second antenna with the Tx path;
control, in response to the reception of the first reflection signals, the second switch to electrically disconnect the fifth antenna from the third Rx path and electrically connect the sixth antenna with the third Rx path; and
receive, through the third antenna, the fourth antenna, and the sixth antenna, the second reflection signals regarding the second signal transmitted through the second antenna, within the second time interval, based on the controlling of the first switch and the controlling of the second switch.
16 . The electronic device of claim 14 , wherein a first direction from the first antenna to the second antenna is different from a second direction from the fifth antenna to the sixth antenna.
17 . An electronic device comprising:
a plurality of antennas comprising a first antenna, a second antenna, a third antenna, and a fourth antenna, wherein the first and third antennas are arranged in a first straight line, wherein the second and fourth antennas are arranged in a second straight line substantially parallel to the first straight line, and wherein a distance between the first and third antennas is different from a distance between the first and second antennas;
integrated circuitry (IC) comprising:
a first switch,
a second switch,
a third switch,
a transmit (Tx) path:
electrically connected with the first antenna via the first switch, or
electrically connected with the second antenna via the first switch and the third switch,
a first receive (Rx) path:
electrically connected with the second antenna via the second switch and the third switch, or
electrically connected with the third antenna via the third switch, and
a second Rx path electrically connected with the fourth antenna;
memory comprising one or more storage media storing instructions; and
at least one processor comprising processing circuitry,
wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to:
receive, through the second antenna electrically connected with the first Rx path via the second switch and the third switch and the fourth antenna electrically connected with the second Rx path, first reflection signals regarding a first signal transmitted within a first time interval through the first antenna electrically connected with the Tx path via the first switch, within the first time interval; and
receive, through the third antenna electrically connected with the first Rx path via the third switch and the fourth antenna electrically connected with the second Rx path, second reflection signals regarding a second signal transmitted within a second time interval different from the first time interval through the second antenna electrically connected with the Tx path via the first switch and the third switch, within the second time interval.
18 . The electronic device of claim 17 , wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to:
receive, within the first time interval, the first reflection signals through the second antenna and the fourth antenna;
control, in response to the reception of the first reflection signals, the first switch, the second switch, and the third switch to electrically disconnect the first antenna from the Tx path, electrically connect the Tx path with the second antenna via the first switch and the third switch, electrically disconnect the second antenna from the first Rx path, and electrically connect the first Rx path with the third antenna via the third switch; and
receive, within the second time interval, the second reflection signals regarding the second signal transmitted through the second antenna, through the third antenna and the fourth antenna, based on the controlling of the first switch, the second switch, and the third switch.