CN114008857B - Antenna system, control method, processor and image pickup system - Google Patents
Antenna system, control method, processor and image pickup system Download PDFInfo
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- CN114008857B CN114008857B CN202080000504.7A CN202080000504A CN114008857B CN 114008857 B CN114008857 B CN 114008857B CN 202080000504 A CN202080000504 A CN 202080000504A CN 114008857 B CN114008857 B CN 114008857B
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- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
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Abstract
An antenna system comprises a plurality of directional antennas, the directions of the directional antennas are different, the processor is adopted to select one or a plurality of directional antennas from the plurality of directional antennas as receiving antennas according to the signal intensity of each directional antenna, so that the receiving antennas receive service data signals from signal sources, the problems of low waste cost and low accuracy caused by manually adjusting the direction, the angle and the like of the antenna system and adjusting the direction, the angle and the like of the antenna system through a motor are avoided, and the technical effects of saving the motor cost and improving the accuracy are realized; and the receiving antenna is selected through the signal intensity, which is equivalent to the selection of the receiving antenna by combining the signal transmission performance between the antenna system and the signal source, so that the technical effects of improving the transmission performance and the efficiency can be realized.
Description
Technical Field
The present application relates to the field of antenna design technologies, and in particular, to an antenna system, a control method, a processor, a camera system, and a storage medium.
Background
With the development of network technology, the antenna system is widely applied to signal transmission equipment, and how to improve the signal transmission performance of the antenna system is a problem to be solved.
In the prior art, the direction and the angle of the antenna system are mainly adjusted in a manual mode, so that the signal transmission performance of the antenna system is improved by adjusting the corresponding relation between the antenna system and the signal source in the direction and the angle.
However, in carrying out the present application, the inventors found that at least the following problems exist: the antenna system is adjusted in an artificial mode, so that human resources are wasted easily, and the adjustment process is affected by human factors easily, so that the problem of low adjustment accuracy is solved.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the application provides an antenna system, a control method, a processor, an imaging system and a storage medium.
According to an aspect of an embodiment of the present application, there is provided an antenna system including:
a plurality of directional antennas for receiving the detection signal from the signal source, wherein different directional antennas are oriented differently;
A processor for selecting a directional antenna as a receiving antenna from the plurality of directional antennas according to signal strengths of the detection signals received by the plurality of directional antennas;
the receiving antenna is configured to receive a service data signal from the signal source after the processor completes the selection.
In the embodiment of the application, the processor is adopted to select one or more directional antennas from a plurality of directional antennas as receiving antennas according to the signal intensity of each directional antenna so that the receiving antennas can receive service data signals from signal sources, on one hand, the problems of manpower resource waste and lower accuracy caused by manually adjusting the direction, angle and the like of an antenna system in the related technology can be avoided, and the technical effects of saving labor cost and improving accuracy are realized; on the other hand, the problems of low waste cost and low precision caused by adjusting the direction, the angle and the like of the antenna system through the motor in the related art can be avoided, so that the technical effects of saving the cost of the motor and improving the precision are realized; and the receiving antenna is selected through the signal intensity, which is equivalent to the selection of the receiving antenna by combining the signal transmission performance between the antenna system and the signal source, so that the technical effects of improving the transmission performance and the efficiency can be realized.
In some embodiments, each of the plurality of directional antennas supports a plurality of frequency bands, wherein:
the processor is further configured to obtain the service data signal from the receiving antenna, select a directional antenna with a different frequency band from the receiving antenna from the multiple directional antennas as a transmitting antenna, and transmit the service data signal to the transmitting antenna;
the transmitting antenna is configured to transmit the service data signal to the outside.
In the embodiment of the application, the directional antennas with different frequency bands are selected as the receiving antenna and the transmitting antenna, so that the problem of signal interference between the receiving antenna and the transmitting antenna caused by the same frequency band can be avoided, and the technical effects of improving the reliability and the effectiveness of service data signal transmission are realized.
In some embodiments, each of the plurality of directional antennas supports a plurality of frequency bands, wherein:
the processor is further configured to obtain the service data signal from the receiving antenna, select, from the multiple directional antennas, a directional antenna with the same frequency band as the receiving antenna and different channels as a transmitting antenna, and transmit the service data signal to the transmitting antenna;
The transmitting antenna is configured to transmit the service data signal to the outside.
In the embodiment of the application, the directional antennas with the same frequency band and different channels as the receiving antennas are selected as the transmitting antennas, so that signal interference between the receiving antennas and the transmitting antennas caused by the same channels can be reduced, and the technical effects of improving the reliability and the effectiveness of service data signal transmission are realized.
In some embodiments, each of the plurality of directional antennas supports a plurality of polarizations, wherein:
the processor is further configured to obtain the service data signal from the receiving antenna, select a directional antenna with a polarization mode different from that of the receiving antenna from the multiple directional antennas as a transmitting antenna, and transmit the service data signal to the transmitting antenna;
the transmitting antenna is configured to transmit the service data signal to the outside.
In the embodiment of the application, the directional antennas with different polarization modes are selected as the receiving antenna and the transmitting antenna, so that the problem of signal interference between the receiving antenna and the transmitting antenna caused by the polarization modes can be avoided, and the technical effects of improving the reliability and the effectiveness of service data signal transmission are realized.
In some embodiments, the processor is configured to:
and selecting the directional antenna with the signal strength larger than a threshold value from the plurality of directional antennas as the receiving antenna.
In some embodiments, the processor is configured to:
and selecting a directional antenna with the maximum intensity of the detection signal from the plurality of directional antennas as the receiving antenna.
In the embodiment of the application, the directional antenna with the strongest signal strength is selected as the receiving antenna, so that the technical effect of the reliability of the subsequent service data signal transmission can be ensured.
In some embodiments, the plurality of directional antennas are enclosed in a column.
According to another aspect of the embodiment of the present application, the embodiment of the present application further provides a method for controlling an antenna system, where the method includes:
a plurality of directional antennas receiving the detection signal from the signal source, wherein different directional antennas are oriented differently;
the processor selects a directional antenna as a receiving antenna from the plurality of directional antennas according to the signal strength of the detection signals received by the plurality of directional antennas;
the receive antenna receives traffic data signals from the signal source after the processor completes the selection.
In some embodiments, each directional antenna of the plurality of directional antennas supports a plurality of frequency bands, the method further comprising:
the processor acquires the service data signal from the receiving antenna, selects a directional antenna with a different frequency band from the receiving antenna from the plurality of directional antennas as a transmitting antenna, and transmits the service data signal to the transmitting antenna;
and the transmitting antenna transmits the service data signal to the outside.
In some embodiments, each directional antenna of the plurality of directional antennas supports a plurality of frequency bands, the method further comprising:
the processor acquires the service data signal from the receiving antenna, selects a directional antenna with the same frequency band as the receiving antenna and different channels from the plurality of directional antennas as a transmitting antenna, and transmits the service data signal to the transmitting antenna;
and the transmitting antenna transmits the service data signal to the outside.
In some embodiments, each directional antenna of the plurality of directional antennas supports a plurality of polarizations, the method further comprising:
the processor acquires the service data signal from the receiving antenna, selects a directional antenna with different polarization modes from the receiving antenna from the plurality of directional antennas as a transmitting antenna, and transmits the service data signal to the transmitting antenna;
And the transmitting antenna transmits the service data signal to the outside.
In some embodiments, the processor selecting a directional antenna from the plurality of directional antennas as a receiving antenna according to signal strengths of the detection signals received by the plurality of directional antennas comprises:
and selecting the directional antenna with the signal strength larger than a threshold value from the plurality of directional antennas as the receiving antenna.
In some embodiments, the processor selecting a directional antenna from the plurality of directional antennas as a receiving antenna according to signal strengths of the detection signals received by the plurality of directional antennas comprises:
and selecting a directional antenna with the maximum intensity of the detection signal from the plurality of directional antennas as the receiving antenna.
In some embodiments, the plurality of directional antennas are enclosed in a column.
According to another aspect of the embodiment of the present application, there is further provided a processor for:
determining a signal strength of a detection signal received by the plurality of directional antennas from the signal source;
selecting a receiving antenna from the plurality of directional antennas as a receiving antenna for receiving a service data signal from the signal source according to the signal strength;
Wherein different directional antennas are oriented differently and the receive antenna receives a traffic data signal from the signal source after the processor completes the selection.
In some embodiments, the processor is further configured to:
acquiring the service data signal from the receiving antenna, selecting a directional antenna with different frequency bands from the receiving antenna from the plurality of directional antennas as a transmitting antenna, and transmitting the service data signal to the transmitting antenna;
each directional antenna of the plurality of directional antennas supports a plurality of frequency bands, and the transmitting antenna is a directional antenna for transmitting the service data signals to the outside.
In some embodiments, the processor is further configured to:
acquiring the service data signal from the receiving antenna, selecting a directional antenna with the same frequency band as the receiving antenna and different channels from the plurality of directional antennas as a transmitting antenna, and transmitting the service data signal to the transmitting antenna;
each directional antenna of the plurality of directional antennas supports a plurality of frequency bands, and the transmitting antenna is a directional antenna for transmitting the service data signals to the outside.
In some embodiments, the processor is further configured to:
Acquiring the service data signal from the receiving antenna, selecting a directional antenna with different polarization modes from the receiving antenna from the plurality of directional antennas as a transmitting antenna, and transmitting the service data signal to the transmitting antenna;
each directional antenna of the plurality of directional antennas supports a plurality of polarization modes, and the transmitting antenna is a directional antenna for transmitting the service data signals to the outside.
In some embodiments, the processor is specifically configured to, when selecting, from the plurality of directional antennas, a receiving antenna that is used to receive the service data signal from the signal source according to the signal strength:
and selecting the directional antenna with the signal strength larger than a threshold value from the plurality of directional antennas as the receiving antenna.
In some embodiments, when selecting a receiving antenna from the plurality of directional antennas to receive the traffic data signal from the signal source, the processor is specifically configured to:
and selecting a directional antenna with the maximum intensity of the detection signal from the plurality of directional antennas as the receiving antenna.
According to another aspect of the embodiment of the present application, there is further provided a signal transmission device, where an antenna system according to any one of the embodiments is provided.
According to another aspect of the embodiment of the present application, there is further provided an image capturing system, where the image capturing system includes a camera, and further includes the antenna system according to any one of the embodiments, the camera is used as the signal source, and the service data signal includes a picture or a video captured by the camera.
According to another aspect of an embodiment of the present application, there is also provided a computer storage medium having computer instructions for causing the computer to perform the method according to any one of the embodiments above.
Drawings
The drawings are included to provide a further understanding of embodiments of the application and are not to be construed as limiting the application. Wherein, the liquid crystal display device comprises a liquid crystal display device,
FIG. 1 is a schematic view of an application scenario according to an embodiment of the present application;
fig. 2 is a schematic view of an application scenario according to another embodiment of the present application;
fig. 3 is a schematic diagram of an antenna system according to an embodiment of the present application;
fig. 4 is a schematic diagram of an antenna system according to another embodiment of the present application;
fig. 5 is a flow chart of a control method of an antenna system according to an embodiment of the application;
fig. 6 is a flowchart of a control method of an antenna system according to another embodiment of the present application;
fig. 7 is a flowchart of a control method of an antenna system according to another embodiment of the present application;
Fig. 8 is a flowchart of a control method of an antenna system according to another embodiment of the present application;
fig. 9 is a flowchart of a control method of an antenna system according to another embodiment of the present application;
fig. 10 is a flowchart of a control method of an antenna system according to another embodiment of the present application.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.
The embodiment of the application provides an antenna system, and the antenna system can be applied to an application scene shown in fig. 1. The application scene shown in fig. 1 is an application scene of an intelligent security camera, and is mainly used for monitoring security of cities. Besides security scenes, the embodiment of the application is also applicable to other scenes in which the wireless communication antenna is required to be used for communication with a signal source.
In the application scenario shown in fig. 1, the system includes N cameras, and each camera is in a relationship of sequential communication connection, for example, camera 1 is in communication connection with camera 2, camera 2 is in communication connection with camera 3, and so on, until camera N-1 is in communication connection with camera N, and camera N is in communication connection with the security control center.
Specifically, an antenna system may be provided in each camera so as to enable transmission of video signals between the cameras based on the respective antenna systems. Taking the camera 1 and the camera 2 as examples, an exemplary explanation will now be made:
the camera 1 and the camera 2 are respectively provided with an antenna system, and the antenna system of the camera 1 transmits video signals acquired by the camera to the antenna system of the camera 2.
Of course, the antenna system of the embodiment of the present application may also be applied to the application scenario shown in fig. 2. The application scenario shown in fig. 2 is an application scenario of automatic driving, and is mainly used for ensuring safe driving of a vehicle.
In the application scenario shown in fig. 2, the vehicle comprises a Road Side Unit (RSU) disposed on at least one side of a road, and a vehicle driving on the road.
The road side unit is provided with an antenna system, so that the antenna system is used for collecting relevant information of vehicles running on a road, such as position information, speed information and the like sent by the vehicles; an antenna system is also provided on the vehicle so as to transmit position information, speed information, and the like to the roadside unit through the antenna system.
That is to say the interaction between the road side unit and the vehicle can be effected by means of the respective antenna system.
It should be noted that the above examples are only for exemplarily illustrating possible application scenarios of the antenna system, and should not be construed as limiting the application scenarios of the antenna system.
In order for the antenna system to effectively transmit the received service data signals, the direction and angle between the two antenna systems need to meet certain requirements.
In the related art, the direction, the angle and the like of the antenna system can be adjusted manually; the direction and the angle of the antenna system can be adjusted by arranging the rotating bracket and the motor so as to drive the rotating bracket to rotate by controlling the rotation of the motor.
However, if the direction, angle, etc. of the antenna system are manually adjusted, the waste of human resources is easily caused, and the adjustment process is easily affected by human factors, so that the problem of low adjustment accuracy is caused; if the direction, angle, etc. of the antenna system are adjusted by means of the rotation of the motor, the cost of the motor is relatively high, so that the cost is easy to be wasted, and the adjustment precision is possibly low due to parameters of the motor itself, friction of the rotating shaft, etc.
The inventors of the present application have devised the inventive concept of the present application after having performed creative work: an antenna system is designed which comprises a plurality of directional antennas, and the directions of the directional antennas are different, so that a certain directional antenna for receiving signals sent by a signal source can be selected through the performance of signal transmission between the directional antennas and the signal source.
The following describes the technical scheme of the present application and how the technical scheme of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
According to one aspect of an embodiment of the present application, an antenna system is provided.
Referring to fig. 3, fig. 3 is a schematic diagram of an antenna system according to an embodiment of the application.
As shown in fig. 3, the antenna system includes:
and a plurality of directional antennas for receiving the detection signal from the signal source, wherein different directional antennas are oriented differently.
A processor for selecting a directional antenna as a receiving antenna from among the plurality of directional antennas based on signal strengths of detection signals (hereinafter simply referred to as signal strengths) received by the plurality of directional antennas.
Wherein the receiving antenna is used for receiving the service data signal from the signal source after the processor completes the selection.
In particular, fig. 3 exemplarily illustrates an antenna system including three directional antennas, each of which may receive a detection signal from a signal source, and the orientations of the three directional antennas are different.
Wherein the directional antenna (directional antenna) is used for representing an antenna which is particularly strong in transmitting and receiving signals in one specific direction and is zero or very small in transmitting and receiving signals in other directions; the signal source is used for representing equipment for carrying out signal transmission with the antenna system; the detection signals are used to characterize data that detects signal transmission performance, including signal strength, between each directional antenna and the signal source.
For example, in the application scenario shown in fig. 1, if the camera 1 transmits the acquired video signal to the camera 2, the signal source may be the camera 1, and specifically may be an antenna provided on the camera 1.
As another example, in the application scenario shown in fig. 2, if the road side unit sends the collected road condition information to the vehicle, the signal source may be the road side unit, and may specifically be an antenna disposed on the road side unit.
It is worth noting that fig. 3 only shows three directional antennas by way of example, and is not to be construed as the number of directional antennas included in the antenna system.
In some embodiments, the number of directional antennas may be two, in other embodiments, the number of directional antennas may be greater than three, such as 4, 5, or 6. Wherein the number of directional antennas may be selected based on the application requirements of the antenna system.
For example, if the antenna system can receive signals from two signal sources, the number of directional antennas in the antenna system may be set to two, and the orientation of one directional antenna matches the direction of one signal source.
For another example, if the antenna system can receive signals from six signal sources, the number of directional antennas in the antenna system may be set to six, and the orientation of one directional antenna matches the direction of one signal source.
For another example, if the antenna system can receive signals from six signal sources, the number of directional antennas in the antenna system may be set to three, and the orientation of one directional antenna matches the direction of two signal sources.
Specifically, when the orientation of one directional antenna matches the direction of one signal source, the orientation of the directional antenna is the direction opposite to the orientation of the signal source.
For example, when the signal source is oriented in the north direction, the directional antenna is oriented in the south direction.
Specifically, when the orientation of one directional antenna matches the directions of two signal sources, then the orientation of the directional antenna is the opposite direction of the average orientation of the orientations of the two signal sources.
For example, if one signal source is oriented in the northwest direction and the other signal source is oriented in the northwest direction, the directional antenna is oriented in the northwest direction.
In some embodiments, when the signal sources are plural and the coverage direction of each signal source is various, that is, the coverage area of each signal source is 360 degrees, the number of directional antennas may be set to six, referring specifically to fig. 4, and the gain lobe width of each directional antenna may cover a range of 60 degrees, the coverage area of six directional antennas may reach 360 degrees, and six directional antennas may receive the detection signals from the signal sources through different orientations, respectively.
In some embodiments, the plurality of directional antennas may enclose a cylinder (e.g., cylinder, prism). An increased number of directional antennas may reduce signal shadowing, but may increase the cost of the antenna system. When the number of the directional antennas is 6, the 6 antennas are surrounded into a column shape, so that the effect of signal dead zones is basically avoided under the condition of low cost, and particularly, the directional antennas are used for WiFi signals (for example, 2.4GHz WiFi signals and 5GHz WiFi signals).
Wherein, take the plane perpendicular to the axis of the column as the cross section, the cross section is circular, or prismatic.
For example, when the number of directional antennas is six, then the six directional antennas are enclosed into a column. And particularly six directional antennas may be enclosed by connectors including, but not limited to, snaps, clips, and ferrules.
It should be noted that, the signal source sends the same detection signal to six directional antennas with different orientations, and the signal strength of each directional antenna may be different due to the problems of orientation and angle between the signal source and each directional antenna.
In the embodiment of the application, the signal intensity of each directional antenna can be collected by the processor, and one or more directional antennas are selected from six directional antennas to serve as receiving antennas according to the signal intensity, so that the receiving antennas can receive service data signals from signal sources.
Taking fig. 2 and fig. 4 as an example, the following description will be given to an embodiment of the present application:
as shown in fig. 4, the antenna system includes six directional antennas, and is respectively a directional antenna a, a directional antenna B, a directional antenna C, a directional antenna D, a directional antenna E, and a directional antenna F, and is disposed on any of the vehicles shown in fig. 2.
The processor of the antenna system selects a directional antenna a from the six directional antennas as the directional antenna of the receiving antenna according to the signal strength of the detection signals received by the six directional antennas from the road side unit (i.e. the signal source), namely, the service data signals are subsequently received by the directional antenna a from the road side unit.
Regarding the manner in which the processor selects the receiving antenna, there are at least two types, one is: the processor may select a directional antenna having a signal strength greater than a threshold from among a plurality of directional antennas as the receiving antenna; the other is: the processor may select a directional antenna having the strongest signal strength from among a plurality of directional antennas as the receiving antenna.
The first way for the processor to select the receive antenna is described as follows:
the processor may determine the signal strength of each directional antenna in turn, compare the signal strength of the directional antenna with a threshold, and select a directional antenna having a signal strength greater than the threshold as the receiving antenna.
The threshold may be determined based on demand, experience, and experimentation, among other things.
For example, based on the above example, the processor may sequentially determine the signal strengths of directional antenna a, directional antenna B, directional antenna C, directional antenna D, directional antenna E, and directional antenna F, and when determining the signal strength of directional antenna a, compare the signal strength of directional antenna a with a threshold value, and determine directional antenna a as a receiving antenna if the signal strength of directional antenna a is greater than the threshold value. In the embodiment of the application, the signal strength of other directional antennas is not required to be determined any more, and the signal strength of other directional antennas is compared with the threshold value, so that the calculation resources are saved and the efficiency is improved.
The second way for the processor to select the receive antenna is described as follows:
and comparing the signal intensities of the directional antennas, and selecting the directional antenna with the maximum signal intensity as a receiving antenna.
For example, based on the above example, the processor may determine the signal strengths of the directional antennas a, B, C, D, E and F, respectively, and compare the six signal strengths, and if the signal strength of the directional antenna a is greater than the signal strength of any one of the other five directional antennas, that is, the signal strength of the directional antenna a is the largest of the six signal strengths, select the directional antenna a as the receiving antenna. In the embodiment of the application, the directional antenna with the strongest signal strength is selected as the receiving antenna, so that the technical effect of the reliability of the subsequent service data signal transmission can be ensured.
Based on the above analysis, in the embodiment of the present application, an antenna system is provided, where the antenna system includes a plurality of directional antennas, and the directions of the directional antennas are different, and a processor is used to select one or more directional antennas from the plurality of directional antennas as a receiving antenna according to the signal strength of each directional antenna, so that the receiving antenna receives a service data signal from a signal source, so that on one hand, the problems of manpower resource waste and low accuracy caused by manually adjusting the direction, angle, etc. of the antenna system in the related art can be avoided, thereby realizing the technical effects of saving labor cost and improving accuracy; on the other hand, the problems of low waste cost and low precision caused by adjusting the direction, the angle and the like of the antenna system through the motor in the related art can be avoided, so that the technical effects of saving the cost of the motor and improving the precision are realized; and the receiving antenna is selected through the signal intensity, which is equivalent to the selection of the receiving antenna by combining the signal transmission performance between the antenna system and the signal source, so that the technical effects of improving the transmission performance and the efficiency can be realized.
In some embodiments, each directional antenna may support multiple frequency bands, such as the 2.4GHz band and the 5GHz band, among others.
In some embodiments, the antenna system may act as a receiving antenna while simultaneously acting as a transmitting antenna, such as an antenna system with relay functionality. The processor can acquire the service data signal from the receiving antenna, can determine the frequency band of the service data signal sent by the signal source received by the receiving antenna, and selects the directional antenna with different frequency bands from other directional antennas as the sending antenna. The service data signal is transmitted to the transmitting antenna so that the service data signal is externally transmitted by the transmitting antenna.
Based on the above example, if the processor selects the directional antenna a as the transmitting antenna, the processor may determine a frequency band of the directional antenna a for receiving the service data signal, and if the determined frequency band is 2.4GHz, the processor may acquire frequency bands of the directional antenna B, the directional antenna C, the directional antenna D, the directional antenna E, and the directional antenna F, respectively, and if the directional antenna B of the five directional antennas is a 5GHz frequency band, the processor may select the directional antenna B as the transmitting antenna, and transmit the service data signal acquired from the directional antenna a to the directional antenna B, so that the directional antenna B transmits the service data signal to the outside; if the plurality of the five directional antennas are in the 5GHz band, the processor may randomly select one directional antenna from the plurality of directional antennas in the 5GHz band as the transmitting antenna.
For example, in the application scenario shown in fig. 1, if the transmitting antenna of the camera 1 is in the 2.4GHz band, the receiving antenna of the camera 2 is in the 5GHz band, and the transmitting antenna of the camera 2 is in the 2.4GHz band, and so on, which will not be described herein.
In the embodiment of the application, the directional antennas with different frequency bands are selected as the receiving antenna and the transmitting antenna, so that the problem of signal interference between the receiving antenna and the transmitting antenna caused by the same frequency band can be avoided, and the technical effects of improving the reliability and the effectiveness of service data signal transmission are realized.
In some embodiments, each directional antenna supports multiple frequency bands, such as the 2.4GHz band and the 5GHz band. Also, it is understood that any frequency band includes multiple channels, such as 14 channels in the 2.4GHz band and about two hundred channels in the 5GHz band.
The processor can acquire the service data signals from the receiving antenna, determine the frequency band and the channel of the service data signals sent by the receiving antenna receiving signal source, select the directional antennas with the same frequency band and different channels as the receiving antenna from other directional antennas as the sending antenna, and send the service data signals to the sending antenna so that the sending antenna sends the service data signals outwards.
Based on the above example, if the processor selects the directional antenna a as the transmitting antenna, the processor may determine a frequency band and a channel of the directional antenna a for receiving the service data signal, and if the determined frequency band is 2.4GHz, the channel is the first channel, the processor may acquire frequency bands and channels of the directional antenna B, the directional antenna C, the directional antenna D, the directional antenna E, and the directional antenna F, respectively, and if the directional antenna B is the 2.4GHz frequency band, and the channel of the directional antenna is the third channel, the processor may select the directional antenna B as the transmitting antenna, and transmit the service data signal acquired from the directional antenna a to the directional antenna B, so that the service data signal is transmitted from the directional antenna B to the outside.
For example, in the application scenario shown in fig. 1, if the transmitting antenna of the camera 1 is in the 2.4GH frequency band and the channel of the transmitting antenna is the first channel, when the receiving antenna of the camera 2 is in the 2.4GHz frequency band, the channel of the receiving antenna of the camera 2 is selected as a channel other than the first channel, such as the second channel, and when the transmitting antenna of the camera 2 is in the 2.4GHz frequency band, the channel of the transmitting antenna of the camera 2 is selected as a channel other than the second channel, such as the third channel, and so on, which will not be repeated herein.
In the embodiment of the application, the directional antennas with the same frequency band and different channels as the receiving antennas are selected as the transmitting antennas, so that signal interference between the receiving antennas and the transmitting antennas caused by the same channels can be reduced, and the technical effects of improving the reliability and the effectiveness of service data signal transmission are realized.
In some embodiments, each directional antenna may support multiple polarizations, such as horizontal, vertical, and angular polarizations.
The processor can acquire the service data signals from the receiving antenna, determine the polarization mode of the receiving antenna, select the directional antenna with different polarization modes from the receiving antenna from other directional antennas as the transmitting antenna, and transmit the service data signals to the transmitting antenna so that the transmitting antenna can transmit the service data signals outwards.
The polarization mode is used for representing the intensity direction of an electric field formed when the directional antenna transmits or receives service data signals. When the electric field strength direction is perpendicular to the ground, the vertical polarization mode can be called; when the electric field strength direction is parallel to the ground, the horizontal polarization mode can be called; when the electric field strength direction forms a certain angle with the ground, the electric field strength direction can be called an angle polarization mode, such as a positive 45-degree polarization mode, a negative 45-degree polarization mode and the like.
Based on the above example, if the processor selects the directional antenna a as the transmitting antenna, the processor may determine a polarization mode of the directional antenna a for receiving the service data signal, and if the determined polarization mode is a horizontal polarization mode, the processor may acquire polarization modes of the directional antenna B, the directional antenna C, the directional antenna D, the directional antenna E, and the directional antenna F, respectively, and if only the polarization mode of the directional antenna B of the five directional antennas is a vertical polarization mode, the processor may select the directional antenna B as the transmitting antenna, and transmit the service data signal acquired from the directional antenna a to the directional antenna B, so that the service data signal is transmitted from the directional antenna B to the outside; if multiple directional antennas in the five directional antennas are in a vertical polarization mode, the processor may randomly select one directional antenna from the multiple directional antennas in the vertical polarization mode as the transmitting antenna.
In the embodiment of the application, the directional antennas with different polarization modes are selected as the receiving antenna and the transmitting antenna, so that the problem of signal interference between the receiving antenna and the transmitting antenna caused by the polarization modes can be avoided, and the technical effects of improving the reliability and the effectiveness of service data signal transmission are realized.
In some embodiments, the processor and each directional antenna may be connected by a switch, wherein the processor is connected to one directional antenna by one switch.
For example, based on the above example, directional antenna a, directional antenna B, directional antenna C, directional antenna D, directional antenna E, and directional antenna F are each connected to the processor through respective switches. Taking the directional antenna A as an example, if the switch connected with the directional antenna A is in an on state, the directional antenna A is in a connection state with the processor; if the switch connected with the directional antenna A is in an off state, the directional antenna A and the processor are in an off state.
Specifically, when the processor needs to acquire the signal strength of the directional antenna a, the switch connected to the directional antenna a may be turned on, and the switches respectively connected to the directional antenna B, the directional antenna C, the directional antenna D, the directional antenna E, and the directional antenna F may be turned off, so that when the signal source sends a detection signal to the directional antenna a, the processor may acquire the signal strength of the directional antenna a.
According to another aspect of the embodiment of the present application, the embodiment of the present application provides a method for controlling an antenna system, which is based on the antenna system described in the foregoing embodiment and is used for controlling the antenna system in the foregoing example.
Referring to fig. 5, fig. 5 is a flow chart illustrating a control method of an antenna system according to an embodiment of the application.
As shown in fig. 5, the method includes:
s101: multiple directional antennas receive the detection signal from the signal source, wherein different directional antennas are oriented differently.
S102: the processor selects a directional antenna as a receiving antenna from among the plurality of directional antennas according to signal strengths of detection signals received by the plurality of directional antennas.
S103: the receive antenna receives the traffic data signal from the signal source after the processor completes the selection.
In the embodiment of the present application, S101 and S102 may be understood as a test process for signal transmission performance between a plurality of directional antennas and a signal source, and by this test process, a receiving antenna for receiving a service data signal sent by the signal source in an application process may be selected, that is, S103 may be understood as an application process.
This step will now be described in detail using six directional antennas as an example:
during the test:
the signal source sends detection signals to the six directional antennas respectively, and the angles between the six directional antennas and the signal source are different due to the fact that the directions of the six directional antennas are different, so that the strengths of the signals of the six directional antennas when the detection signals are received are different. That is, the signal strengths of the six directional antennas are different from each other.
The processor may monitor the signal strength of each directional antenna and select a receive antenna from the six directional antennas based on the signal strengths of the six directional antennas.
During the application process:
the receive antenna receives a traffic data signal from a signal source.
In the embodiment of the application, the receiving antenna can be selected from the plurality of directional antennas with different directions through the processor, and the receiving antenna receives the service data signals, so that on one hand, the problem that human resources are wasted when the direction and the angle of the antenna system are manually adjusted in the related art is avoided, the accuracy of adjustment is easily influenced by human factors and is low is solved, and the technical effects of saving human resources and improving accuracy are realized; on the other hand, the problem that the adjustment precision is low due to parameters of the motor, friction of a rotating shaft and the like is possibly caused when the direction and the angle of the antenna system are adjusted in a motor setting mode in the related art is avoided, and therefore the technical effects of saving the hardware cost and improving the precision are achieved.
Referring to fig. 6, fig. 6 is a flow chart of a control method of an antenna system according to another embodiment of the application.
As shown in fig. 6, the method includes:
s201: multiple directional antennas receive the detection signal from the signal source, wherein different directional antennas are oriented differently.
The description of S201 may refer to S101, and will not be repeated here.
S202: the processor selects a directional antenna as a receiving antenna from among the plurality of directional antennas according to signal strengths of detection signals received by the plurality of directional antennas.
Based on the above examples, the processor may monitor the signal strength of each directional antenna and select a receiving antenna from the plurality of directional antennas based on the signal strength of each directional antenna.
S203: the receive antenna receives the traffic data signal from the signal source after the processor completes the selection.
The description of S203 may refer to S103, and will not be repeated here.
S204: the processor obtains a traffic data signal from the receive antenna.
In the embodiment of the application, the processor can monitor the related information of the receiving antenna, such as monitoring whether the receiving antenna is in a signal transmission state, and when the receiving antenna is in a signal transmission state, collecting the service data signals received by the receiving antenna.
S205: the processor selects a directional antenna with a different frequency band from the receiving antenna from a plurality of directional antennas as a transmitting antenna.
The method specifically comprises the following steps: the processor determines the frequency band of the receiving antenna, determines the frequency bands of other directional antennas, selects the directional antenna with the frequency band different from the frequency band of the receiving antenna from the other directional antennas, and takes the directional antenna as the transmitting antenna.
If there are multiple directional antennas in other directional antennas, the frequency band of the directional antennas is different from that of the receiving antenna, then a directional antenna with a frequency band different from that of the receiving antenna is randomly selected as the transmitting antenna.
Each directional antenna may support multiple frequency bands, such as a 2.4GHz band and a 5GHz band.
For example, in the application scenario shown in fig. 1, if the transmitting antenna of the camera 1 is in the 2.4GHz band, the receiving antenna of the camera 2 is in the 5GHz band, and the transmitting antenna of the camera 2 is in the 2.4GHz band, and so on, which will not be described herein.
It should be noted that, S204 and S205 are not limited in order, that is, S204 may be preferentially executed, S205 may be executed, or S205 may be preferentially executed, and S204 may be executed.
S206: the processor transmits the traffic data signal to the transmit antenna.
S207: the transmitting antenna transmits the service data signal to the outside.
In the embodiment of the application, the directional antennas with different frequency bands are selected as the receiving antenna and the transmitting antenna, so that the problem of signal interference between the receiving antenna and the transmitting antenna caused by the same frequency band can be avoided, and the technical effects of improving the reliability and the effectiveness of service data signal transmission are realized.
Referring to fig. 7, fig. 7 is a flowchart illustrating a control method of an antenna system according to another embodiment of the application.
As shown in fig. 7, the method includes:
s301: multiple directional antennas receive the detection signal from the signal source, wherein different directional antennas are oriented differently.
The description of S201 may refer to S101, and will not be repeated here.
S302: the processor selects a directional antenna as a receiving antenna from among the plurality of directional antennas according to signal strengths of detection signals received by the plurality of directional antennas.
The description of S302 may refer to S202, and will not be repeated here.
S303: the receive antenna receives the traffic data signal from the signal source after the processor completes the selection.
The description of S303 may refer to S103, and will not be repeated here.
S304: the processor obtains a traffic data signal from the receive antenna.
The description of S304 may refer to S204, and will not be repeated here.
S305: the processor selects a directional antenna with the same frequency band as the receiving antenna and different channels from a plurality of directional antennas as a transmitting antenna.
Wherein each directional antenna supports a plurality of frequency bands, such as a 2.4GHz frequency band, a 5GHz frequency band and the like. Also, it is understood that any frequency band includes multiple channels, such as 14 channels in the 2.4GHz band and about two hundred channels in the 5GHz band.
For example, in the application scenario shown in fig. 1, if the transmitting antenna of the camera 1 is in the 2.4GH frequency band and the channel of the transmitting antenna is the first channel, when the receiving antenna of the camera 2 is in the 2.4GHz frequency band, the channel of the receiving antenna of the camera 2 is selected as a channel other than the first channel, such as the second channel, and when the transmitting antenna of the camera 2 is in the 2.4GHz frequency band, the channel of the transmitting antenna of the camera 2 is selected as a channel other than the second channel, such as the third channel, and so on, which will not be repeated herein.
S306: the processor transmits the traffic data signal to the transmit antenna.
S307: and the transmitting antenna transmits the service data signal to the outside.
In the embodiment of the application, the directional antennas with the same frequency band and different channels as the receiving antennas are selected as the transmitting antennas, so that signal interference between the receiving antennas and the transmitting antennas caused by the same channels can be reduced, and the technical effects of improving the reliability and the effectiveness of service data signal transmission are realized.
Referring to fig. 8, fig. 8 is a flowchart illustrating a control method of an antenna system according to another embodiment of the application.
As shown in fig. 8, the method includes:
s401: multiple directional antennas receive the detection signal from the signal source, wherein different directional antennas are oriented differently.
The description of S401 may refer to S101, and will not be repeated here.
S402: the processor selects a directional antenna as a receiving antenna from among the plurality of directional antennas according to signal strengths of detection signals received by the plurality of directional antennas.
The description of S402 may refer to S202, and will not be repeated here.
S403: the receive antenna receives the traffic data signal from the signal source after the processor completes the selection.
The description of S403 may refer to S103, and will not be repeated here.
S404: the processor obtains a traffic data signal from the receive antenna.
The description of S404 may refer to S204, and will not be repeated here.
S405: the processor selects a directional antenna having a different polarization from the reception antenna from among the plurality of directional antennas as the transmission antenna.
Wherein each directional antenna may support multiple polarizations, such as horizontal, vertical, and angular polarizations.
For example, in the application scenario shown in fig. 1, if the transmitting antenna of the camera 1 is in a horizontal polarization mode, the receiving antenna of the camera 2 is in a vertical polarization mode, and if the transmitting antenna of the camera 2 is in a horizontal polarization mode, and so on, the description thereof will not be repeated.
S406: the processor transmits a traffic data signal to the transmit antenna.
S407: the transmitting antenna transmits the service data signal to the outside.
In the embodiment of the application, the directional antennas with different polarization modes are selected as the receiving antenna and the transmitting antenna, so that the problem of signal interference between the receiving antenna and the transmitting antenna caused by the polarization modes can be avoided, and the technical effects of improving the reliability and the effectiveness of service data signal transmission are realized.
In order to make the reader more clear how the processor selects the receiving antenna, a detailed description will now be given with reference to fig. 9 and 10.
Fig. 9 is a flow chart of a control method of an antenna system according to another embodiment of the application.
As shown in fig. 9, the method includes:
s501: multiple directional antennas receive the detection signal from the signal source, wherein different directional antennas are oriented differently.
The description of S501 may refer to S101, and will not be repeated here.
S502: the processor determines signal strengths of the detection signals received by the plurality of directional antennas.
Based on the above examples, the processor may monitor the signal strength of each directional antenna to determine the signal strength of each directional antenna.
S503: the processor compares the signal strength of each directional antenna to the magnitude of the threshold value one by one.
S504: if the signal strength of a directional antenna is greater than a threshold, the processor determines the directional antenna as a receiving antenna.
The threshold may be set based on demand, experience, and experimentation, among other things. Such as setting a threshold according to the requirement of data transmission performance, so as to ensure the efficiency of the transmission of the subsequent service data signals.
For example, when determining the signal strength of any directional antenna, the total six directional antennas directly compare the signal strength of the directional antenna with a threshold value, and if the signal strength of a certain directional antenna is greater than the threshold value, the directional antenna is directly determined as a receiving antenna, and the signal strengths of other directional antennas are not required to be acquired.
In the embodiment of the application, the signal strength of other directional antennas is not required to be determined any more, and the signal strength of other directional antennas is compared with the threshold value, so that the calculation resources are saved and the efficiency is improved. And because the signal intensity of the selected receiving antenna is larger than the threshold value, the data transmission performance can be ensured, thereby realizing the reliability of the subsequent service data signal transmission.
Of course, in other embodiments, the following method may be used:
and after the signal intensities of the six directional antennas are obtained, comparing the signal intensities of the six directional antennas with the threshold value one by one, and if the signal intensity of one directional antenna is greater than the threshold value, directly determining the directional antenna as a receiving antenna without comparing other directional antennas.
S505: the receive antenna receives the traffic data signal from the signal source after the processor completes the selection.
The description of S505 may refer to S103, and will not be repeated here.
Fig. 10 is a flow chart of a control method of an antenna system according to another embodiment of the present application.
As shown in fig. 10, the method includes:
s601: multiple directional antennas receive the detection signal from the signal source, wherein different directional antennas are oriented differently.
The description of S601 may refer to S101, and will not be repeated here.
S602: the processor determines signal strengths of the detection signals received by the plurality of directional antennas.
Based on the above examples, the processor may monitor the signal strength of each directional antenna to determine the signal strength of each directional antenna.
S603: the processor compares the signal strengths of the directional antennas and selects the directional antenna with the largest signal strength as the receiving antenna.
In some embodiments, the processor may arrange the signal strengths in ascending or descending order, and select, from the ascending order, a directional antenna corresponding to the signal strength arranged at the end of the sequence as the receiving antenna; or selecting a directional antenna corresponding to the signal strength of the forefront of the sequence from the descending order as a receiving antenna.
If a plurality of maximum signal strengths exist, one directional antenna is randomly selected from a plurality of directional antennas corresponding to the plurality of maximum signal strengths, and the selected directional antenna is used as a receiving antenna.
In the embodiment of the application, the directional antenna with the strongest signal strength is selected as the receiving antenna, so that the technical effect of the reliability of the subsequent service data signal transmission can be ensured.
S604: the receive antenna receives the traffic data signal from the signal source after the processor completes the selection.
The description of S604 may refer to S103, and will not be repeated here.
According to another aspect of the embodiment of the present application, there is further provided a processor, wherein the processor is configured to: the method comprises the steps of determining signal strength of detection signals received by a plurality of directional antennas from a signal source, selecting a receiving antenna as a service data signal received from the signal source from the plurality of directional antennas according to the signal strength, wherein different directional antennas face different directions, and the receiving antenna receives the service data signal from the signal source after a processor finishes the selection.
In some embodiments, the processor is further configured to: the method comprises the steps of obtaining service data signals from a receiving antenna, selecting a directional antenna with different frequency bands from the receiving antenna from a plurality of directional antennas as a transmitting antenna, and transmitting the service data signals to the transmitting antenna, wherein each directional antenna in the plurality of directional antennas supports a plurality of frequency bands, and the transmitting antenna is a directional antenna for transmitting the service data signals outwards.
In some embodiments, the processor is further configured to: the method comprises the steps of obtaining service data signals from a receiving antenna, selecting directional antennas with the same frequency band as the receiving antenna and different channels from a plurality of directional antennas as transmitting antennas, and transmitting the service data signals to the transmitting antennas, wherein each directional antenna in the plurality of directional antennas supports a plurality of frequency bands, and the transmitting antennas are directional antennas for transmitting the service data signals outwards.
In some embodiments, the processor is further configured to: the method comprises the steps of obtaining service data signals from a receiving antenna, selecting a directional antenna with different polarization modes from the receiving antenna from a plurality of directional antennas as a transmitting antenna, and transmitting the service data signals to the transmitting antenna, wherein each directional antenna in the plurality of directional antennas supports a plurality of polarization modes, and the transmitting antenna is a directional antenna for transmitting the service data signals outwards.
In some embodiments, the processor is configured to, when selecting a receiving antenna from the plurality of directional antennas as receiving the traffic data signal from the signal source based on the signal strength: from among the plurality of directional antennas, a directional antenna having a signal strength greater than a threshold value is selected as a receiving antenna.
In some embodiments, the processor is configured to, when selecting a receiving antenna from the plurality of directional antennas as receiving the traffic data signal from the signal source based on the signal strength: from among the plurality of directional antennas, a directional antenna having the highest intensity of the detection signal is selected as a receiving antenna.
According to another aspect of the embodiments of the present application, there is further provided a signal transmission device, where the signal transmission device may transmit a signal through an antenna system, and the antenna system is an antenna system according to any one of the embodiments.
In some embodiments, the signal transmission device may be a user terminal, such as a mobile phone, a notebook computer, a desktop computer, a smart bracelet, etc., a camera system, a router, a global positioning system (Global Position System, GPS), a vehicle-mounted terminal, a road side unit, and an toll collection system (Electronic Toll Collection, ETC), ETC.
According to another aspect of the embodiment of the present application, the embodiment of the present application further provides an image capturing system, where the image capturing system includes a camera for capturing a surrounding image, and further includes the antenna system described in the foregoing embodiment, where the camera is used as the signal source, and the service data signal includes a picture or a video captured by the camera.
According to another aspect of an embodiment of the present application, there is further provided a computer storage medium having stored thereon computer instructions for causing the computer to perform the method according to any of the above embodiments. For example, a method as shown in any one of the embodiments of fig. 5-10 is performed.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps recited in the present disclosure may be performed in parallel, sequentially, or in a different order, provided that the desired results of the technical solutions of the present disclosure are achieved, and are not limited herein.
The above detailed description should not be taken as limiting the scope of the present disclosure. Various modifications, combinations, sub-combinations and alternatives may be made depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (10)
1. An antenna system, comprising:
a plurality of directional antennas for receiving the detection signal from the signal source, wherein different directional antennas are oriented differently;
a processor for selecting a directional antenna as a receiving antenna from the plurality of directional antennas according to signal strengths of the detection signals received by the plurality of directional antennas;
the receiving antenna is used for receiving service data signals from the signal source after the processor finishes selecting;
the processor is further configured to obtain the service data signal from the receiving antenna, select a transmitting antenna from other directional antennas except the receiving antenna based on the service data signal, and send the service data signal to the transmitting antenna, where the transmitting antenna is different from a frequency band of the receiving antenna, different in polarization mode, or different from a channel in the same frequency band;
the transmitting antenna is configured to transmit the service data signal to the outside.
2. The antenna system of claim 1, wherein the processor is configured to:
and selecting the directional antenna with the signal strength larger than a threshold value from the plurality of directional antennas as the receiving antenna.
3. The antenna system according to claim 1 or 2, wherein the processor is configured to:
and selecting a directional antenna with the maximum intensity of the detection signal from the plurality of directional antennas as the receiving antenna.
4. The antenna system of claim 1 or 2, wherein the plurality of directional antennas are enclosed in a column.
5. A method of controlling an antenna system, the method comprising:
a plurality of directional antennas receiving the detection signal from the signal source, wherein different directional antennas are oriented differently;
the processor selects a directional antenna as a receiving antenna from the plurality of directional antennas according to the signal strength of the detection signals received by the plurality of directional antennas;
the receiving antenna receives service data signals from the signal source after the processor completes selection;
the method further comprises the steps of:
the processor acquires the service data signal from the receiving antenna, selects a transmitting antenna from other directional antennas except the receiving antenna, and transmits the service data signal to the transmitting antenna, wherein the transmitting antenna is different from the receiving antenna in frequency band, different in polarization mode or different in channel under the same frequency band;
And the transmitting antenna transmits the service data signal to the outside.
6. The method of claim 5, wherein the processor selecting a directional antenna from the plurality of directional antennas as a receiving antenna based on signal strengths of the detection signals received by the plurality of directional antennas comprises:
and selecting the directional antenna with the signal strength larger than a threshold value from the plurality of directional antennas as the receiving antenna.
7. The method of claim 5, wherein the processor selecting a directional antenna from the plurality of directional antennas as a receiving antenna based on signal strengths of the detection signals received by the plurality of directional antennas comprises:
and selecting a directional antenna with the maximum intensity of the detection signal from the plurality of directional antennas as the receiving antenna.
8. A processor in communication with a plurality of directional antennas, the processor configured to:
determining signal strengths of detection signals received by the plurality of directional antennas from a signal source;
selecting a receiving antenna from the plurality of directional antennas as a receiving antenna for receiving a service data signal from the signal source according to the signal strength;
Wherein different directional antennas are oriented differently and the receive antenna receives a traffic data signal from the signal source after the processor completes the selection;
the processor is further configured to:
the service data signals are obtained from the receiving antennas, the sending antennas are selected from other directional antennas except the receiving antennas, the service data signals are sent to the sending antennas, the sending antennas are used for sending the service data signals outwards, and the sending antennas are different from the receiving antennas in frequency bands, different in polarization modes or different in channels under the same frequency bands.
9. An imaging system comprising a camera, further comprising an antenna system according to any of claims 1 to 4, said camera being arranged to act as said signal source, said traffic data signal comprising pictures or videos taken by said camera.
10. A computer storage medium having stored thereon computer instructions for causing the computer to perform the method of any one of claims 5 to 7.
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| PCT/CN2020/082044 WO2021195834A1 (en) | 2020-03-30 | 2020-03-30 | Antenna system, control method, processor, and camera system |
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| IT202200010769A1 (en) * | 2022-05-24 | 2023-11-24 | Daniele Venturini | A RADIO FREQUENCY SIGNAL REPEATER GROUP |
| CN114785392B (en) * | 2022-06-17 | 2022-11-04 | 阿里巴巴达摩院(杭州)科技有限公司 | Antenna selection method, communication system, and storage medium |
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| WO2021195834A1 (en) | 2021-10-07 |
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