CN219246936U - Antenna assembly and full duplex communication system - Google Patents
Antenna assembly and full duplex communication system Download PDFInfo
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- CN219246936U CN219246936U CN202320586611.3U CN202320586611U CN219246936U CN 219246936 U CN219246936 U CN 219246936U CN 202320586611 U CN202320586611 U CN 202320586611U CN 219246936 U CN219246936 U CN 219246936U
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Abstract
The utility model discloses an antenna assembly and a full duplex communication system, wherein the antenna assembly comprises a substrate, a first antenna and a second antenna; the first antenna and the second antenna are both arranged on the substrate; the radiation far field of the first antenna is mutually orthogonal with the radiation far field of the second antenna; the two antennas cannot interfere with each other, isolation between different antennas can be improved through simple circuit design, circuit area is not required to be occupied, additional power loss is not required, the two antennas are mutually orthogonal in a radiation far field, orthogonal polarization effect between the two different antennas is greatly improved through an antenna radiation far field orthogonal polarization mode, the method is very suitable for a full duplex circuit, and communication performance of a full duplex communication system is greatly improved.
Description
Technical Field
The present utility model relates to the field of antennas, and in particular, to an antenna assembly and a full duplex communication system.
Background
Full duplex communication systems have a wide range of applications in consumer electronics, such as USB technology, based on the advantages of co-frequency and simultaneous communication. In a full duplex circuit for wireless communication, a full duplex communication system brings about many advantages, but in the full duplex communication system, whether or not the isolation between a transmitter and a receiver is good or bad directly affects the communication performance of the full duplex communication system.
To solve the problem of poor isolation between the transmitter and the receiver, a complex cancellation circuit is generally used to cancel the interference leaked from the transmitter to the receiver, but the cancellation circuit tends to occupy a relatively large area and have a relatively large power loss due to the relatively complex cancellation circuit.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: an antenna assembly and a full duplex communication system are provided, which can improve isolation between different antennas.
In order to solve the technical problems, the utility model adopts a technical scheme that:
an antenna assembly comprises a substrate, a first antenna and a second antenna;
the first antenna and the second antenna are both arranged on the substrate;
the radiation far field of the first antenna is mutually orthogonal with the radiation far field of the second antenna.
In order to solve the technical problems, the utility model adopts another technical scheme that:
a full duplex communication system comprising the above antenna assembly.
The utility model has the beneficial effects that: for the first antenna and the second antenna which are arranged on the same substrate, the radiation far field of the first antenna and the radiation far field of the second antenna are mutually orthogonal, so that the orthogonal polarization of different antennas in the radiation far field is realized, signals radiated by the first antenna cannot generate projection on the second antenna, thereby achieving good isolation effect, the two antennas cannot interfere with each other, the isolation degree between the different antennas can be improved through simple circuit design, the circuit area is not required to be occupied, no additional power loss is required, the two antennas are mutually orthogonal in the radiation far field, the orthogonal polarization effect between the two different antennas is greatly improved through the mode of the orthogonal polarization of the radiation far field of the antennas, and the communication performance of a full duplex communication system is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of an antenna assembly according to an embodiment of the present utility model;
fig. 2 is a schematic diagram illustrating electromagnetic wave waveforms transmitted by a first antenna and a second antenna in an antenna assembly according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a patch antenna in an antenna assembly according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a dual-dipole antenna in an antenna assembly according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a single-dipole antenna in an antenna assembly according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a slot antenna in an antenna assembly according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of an antenna assembly according to an embodiment of the present utility model, in which a first antenna and a second antenna achieve radiation far field orthogonality;
fig. 8 is a schematic diagram of another structure of an antenna assembly according to an embodiment of the present utility model, in which a first antenna and a second antenna achieve radiation far field orthogonality;
fig. 9 is a schematic diagram of another structure of an antenna assembly according to an embodiment of the present utility model, in which a first antenna and a second antenna achieve radiation far field orthogonality;
fig. 10 is a schematic diagram of another structure of an antenna assembly according to an embodiment of the present utility model, in which a first antenna and a second antenna achieve radiation far field orthogonality;
fig. 11 is a schematic diagram of another structure of an antenna assembly according to an embodiment of the present utility model, in which a first antenna and a second antenna achieve radiation far field orthogonality;
fig. 12 is a schematic diagram of another structure of an antenna assembly according to an embodiment of the present utility model, in which a first antenna and a second antenna achieve radiation far field orthogonality;
fig. 13 is a schematic diagram of another structure of an antenna assembly according to an embodiment of the present utility model, in which a first antenna and a second antenna achieve radiation far field orthogonality;
fig. 14 is a schematic diagram of another structure of an antenna assembly according to an embodiment of the present utility model, in which a first antenna and a second antenna achieve radiation far field orthogonality;
fig. 15 is a schematic diagram of another structure of an antenna assembly according to an embodiment of the present utility model, in which a first antenna and a second antenna achieve radiation far field orthogonality;
fig. 16 is a schematic diagram of another structure of an antenna assembly according to an embodiment of the present utility model, in which the first antenna and the second antenna achieve radiation far field orthogonality.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 16, an antenna assembly includes a substrate, a first antenna and a second antenna;
the first antenna and the second antenna are both arranged on the substrate;
the radiation far field of the first antenna is mutually orthogonal with the radiation far field of the second antenna.
As can be seen from the above description, the present utility model has the advantages that, for the first antenna and the second antenna disposed on the same substrate, the radiation far field of the first antenna and the radiation far field of the second antenna are disposed to be mutually orthogonal, so as to implement orthogonal polarization of different antennas in the radiation far field, the signal radiated by the first antenna does not generate projection on the second antenna, thereby achieving good isolation effect, the two antennas do not interfere with each other, the isolation between the different antennas can be improved by simple circuit design, no circuit area is required, no additional power loss is required, and the two antennas are implemented to be mutually orthogonal in the radiation far field, and the orthogonal polarization effect between the two different antennas is greatly improved by the mode of the antenna radiation far field orthogonal polarization, which is very suitable for use in full duplex circuits, and the communication performance of the full duplex communication system is greatly improved.
Further, the first antenna and the second antenna are millimeter wave antennas.
From the above description, it can be seen that the integrated design can be realized by adopting the millimeter wave antenna, so that the occupation of too large space is avoided, and the mutual interference problem caused by the integration of the millimeter wave antennas on the same substrate is avoided due to the mutual orthogonality of the radiation far fields of different millimeter wave antennas.
Further, the first antenna and the second antenna are vertical-view antennas.
As can be seen from the above description, by adopting the broadside antenna, not only the cost can be reduced, but also the advantages of wide frequency band and high gain can be achieved.
Further, the first antenna and the second antenna are one of a patch antenna, a dual antenna, a single antenna and a slot antenna.
Further, the first antenna is a patch antenna, and the second antenna is one of a patch antenna, a dual antenna, a single antenna and a slot antenna.
Further, the first antenna is a dual antenna, and the second antenna is one of a patch antenna, a dual antenna, a single antenna and a slot antenna.
Further, the first antenna is a single dipole antenna, and the second antenna is one of a patch antenna, a dual dipole antenna, a single dipole antenna and a slot antenna.
Further, the first antenna is a slot antenna, and the second antenna is one of a patch antenna, a dual antenna, a single antenna and a slot antenna.
From the above description, it can be seen that by selecting and combining various different types of antennas, different types of antenna assemblies with mutually orthogonal radiation far fields can be realized, which is flexible and convenient.
Further, the first antenna is disposed on the transmitter, the second antenna is disposed on the receiver, or the first antenna is disposed on the receiver, and the second antenna is disposed on the transmitter.
As is apparent from the above description, by providing the first antenna and the second antenna on the transmitter and the receiver, respectively, mutual interference between the transmitter and the receiver can be avoided, and communication performance of the transceiver can be improved.
A full duplex communication system comprising the above antenna assembly.
As can be seen from the above description, in a full duplex communication system, including antenna assemblies with mutually orthogonal radiation far fields, mutual interference between a transmitting end and a receiving end can be avoided, and good isolation between the transmitting end and the receiving end is provided without adding complexity to a circuit.
The antenna assembly described above can be applied to a communication system requiring good isolation, such as a full duplex communication system, and is described in the following embodiments:
in an alternative embodiment, as shown in fig. 1, an antenna assembly includes a substrate, a first antenna, and a second antenna;
the first antenna and the second antenna are both arranged on the substrate;
the radiation far field of the first antenna is mutually orthogonal with the radiation far field of the second antenna;
in order to achieve mutual orthogonality between the radiation far fields of the first antenna and the second antenna, as shown in fig. 2, an XYZ coordinate system is established by taking a substrate as a reference, a plane where the substrate is located is an XZ plane, electromagnetic waves of the radiation far field of the first antenna can be set to transmit along the YZ plane, electromagnetic waves of the radiation far field of the second antenna can be set to transmit along the XZ plane, or electromagnetic waves of the radiation far field of the first antenna can be set to transmit along the XZ plane, electromagnetic waves of the radiation far field of the second antenna can be set to transmit along the YZ plane, so that two electromagnetic waves are mutually orthogonal, and the projection of two groups of electromagnetic waves to each other is zero, thereby achieving ideal isolation;
wherein, can set up on the transmitter with first antenna, the second antenna sets up on the receiver, perhaps with first antenna sets up on the receiver, the second antenna sets up on the transmitter, can improve the isolation between transmitter and the receiver from this, avoid the mutual interference between transmitter and the receiver.
In another alternative embodiment, the first antenna and the second antenna are millimeter wave antennas, so that an integrated design is realized, and the antenna is particularly suitable for use in a portable communication device.
In another alternative embodiment, the first antenna and the second antenna are both broadside antennas broadside antenna, which not only reduces the cost, but also has the beneficial effects of wide frequency band and high gain.
The first antenna and the second antenna can be one of a patch antenna, a dual antenna, a single antenna and a slot antenna;
as shown in fig. 3, the Patch Antenna has a polarization direction of the radiator of the Antenna according to the Patch, as shown by the arrow in the figure;
as shown in fig. 4, the Dipole Antenna is a dual Antenna, and the polarization direction of the dual Antenna is shown by an arrow in the figure;
as shown in fig. 5, the Monopole Antenna is a single dipole Antenna, and the polarization direction of the Monopole Antenna is shown by an arrow in the figure;
as shown in fig. 6, the Slot Antenna is shown, and the polarization direction of the Slot Antenna is shown by an arrow in the figure.
To achieve mutual orthogonality between different antennas in the far field of radiation:
in an alternative embodiment, the first antenna is a patch antenna, and the second antenna is one of a patch antenna, a dual antenna, a single antenna, and a slot antenna, as shown in fig. 7 to 10:
in fig. 7, the first antenna is a patch antenna, the second antenna is a patch antenna, and the directions of polarization of the first antenna and the second antenna are orthogonal to each other as indicated by the directions of arrows;
in fig. 8, the first antenna is a patch antenna, the second antenna is a dual antenna, and the directions of polarization of the two antennas are orthogonal to each other as seen by the direction of the arrow;
in fig. 9, the first antenna is a patch antenna, the second antenna is a single dipole antenna, and the directions of polarization of the first antenna and the second antenna are orthogonal to each other as seen by the directions of arrows;
in fig. 10, the first antenna is a patch antenna, the second antenna is a slot antenna, and the directions of polarization of the two antennas are orthogonal to each other as indicated by the arrow directions.
In another alternative embodiment, the first antenna is a dual antenna, and the second antenna is one of a patch antenna, a dual antenna, a single antenna, and a slot antenna, as shown in fig. 11 to 12:
in fig. 11, the first antenna is a dual antenna, and the second antenna is a dual antenna, and the directions of polarization of the two antennas are orthogonal to each other as seen by the direction of the arrow;
in fig. 12, the first antenna is a dual antenna, the second antenna is a slot antenna, and the directions of polarization of the two antennas are orthogonal to each other as indicated by the arrow directions.
In another alternative embodiment, the first antenna is a single dipole antenna, and the second antenna is one of a patch antenna, a dual dipole antenna, a single dipole antenna, and a slot antenna, as shown in fig. 13 to 15:
in fig. 13, the first antenna is a single-dipole antenna, and the second antenna is a single-dipole antenna, and the directions of polarization of the first antenna and the second antenna are orthogonal to each other as seen by the directions of arrows;
in fig. 14, the first antenna is a single dipole antenna, the second antenna is a dual dipole antenna, and the directions of polarization of the two antennas are orthogonal to each other as seen by the direction of the arrow;
in fig. 15, the first antenna is a single-dipole antenna, the second antenna is a slot antenna, and the directions of polarization of the two antennas are orthogonal to each other as indicated by the arrow directions.
In another alternative embodiment, the first antenna is a slot antenna, and the second antenna is one of a patch antenna, a dual antenna, a single antenna, and a slot antenna, as shown in fig. 16:
in fig. 16, the first antenna is a slot antenna, and the second antenna is a slot antenna, and the directions of polarization of the two antennas are orthogonal to each other as indicated by the arrow directions.
The antenna assembly can be applied to any application scene requiring different antennas to have good isolation:
in another alternative embodiment, a full duplex communication system includes an antenna assembly as described in any of the embodiments above.
In summary, the antenna assembly and the full duplex communication system provided by the utility model are provided with the radiation far field of the first antenna and the radiation far field of the second antenna which are mutually orthogonal, so that the orthogonal polarization of different antennas in the radiation far field is realized, the first antenna and the second antenna are vertical-wave antennas, the free selection combination can be performed in the patch antenna, the dual antenna, the single antenna and the slot antenna, the flexibility is high, the signal radiated by the first antenna can not generate projection in the second antenna, thereby achieving good isolation effect, the two antennas can not interfere with each other, the isolation degree between different antennas can be improved through simple circuit design, the occupied circuit area is not needed, the additional power loss is not needed, the two antennas are mutually orthogonal in the radiation far field, the orthogonal polarization effect between the two different antennas is greatly improved through the mode of the antenna radiation far field orthogonal polarization, the full duplex communication system is very suitable for full duplex circuits, and the communication performance of the full duplex communication system is greatly improved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (10)
1. An antenna assembly is characterized by comprising a substrate, a first antenna and a second antenna;
the first antenna and the second antenna are both arranged on the substrate;
the radiation far field of the first antenna is mutually orthogonal with the radiation far field of the second antenna.
2. The antenna assembly of claim 1, wherein the first antenna and the second antenna are each millimeter wave antennas.
3. The antenna assembly of claim 1, wherein the first antenna and the second antenna are broadside antennas.
4. An antenna assembly according to any one of claims 1 to 3, wherein the first and second antennas are one of patch antennas, dual antennas, single pair antennas and slot antennas.
5. The antenna assembly of claim 4, wherein the first antenna is a patch antenna and the second antenna is one of a patch antenna, a dual antenna, a single antenna, and a slot antenna.
6. The antenna assembly of claim 4, wherein the first antenna is a dual antenna and the second antenna is one of a patch antenna, a dual antenna, a single antenna, and a slot antenna.
7. The antenna assembly of claim 4, wherein the first antenna is a single dipole antenna and the second antenna is one of a patch antenna, a dual dipole antenna, a single dipole antenna, and a slot antenna.
8. The antenna assembly of claim 4, wherein the first antenna is a slot antenna and the second antenna is one of a patch antenna, a dual antenna, a single antenna, and a slot antenna.
9. An antenna assembly according to any of claims 1 to 3 and 5 to 8, wherein the first antenna is provided on a transmitter, the second antenna is provided on a receiver, or the first antenna is provided on a receiver, and the second antenna is provided on a transmitter.
10. A full duplex communication system comprising an antenna assembly according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320586611.3U CN219246936U (en) | 2023-03-16 | 2023-03-16 | Antenna assembly and full duplex communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320586611.3U CN219246936U (en) | 2023-03-16 | 2023-03-16 | Antenna assembly and full duplex communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219246936U true CN219246936U (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320586611.3U Active CN219246936U (en) | 2023-03-16 | 2023-03-16 | Antenna assembly and full duplex communication system |
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| Country | Link |
|---|---|
| CN (1) | CN219246936U (en) |
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- 2023-03-16 CN CN202320586611.3U patent/CN219246936U/en active Active
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