WO2018171600A1

WO2018171600A1 - Beam mode-controllable antenna

Info

Publication number: WO2018171600A1
Application number: PCT/CN2018/079715
Authority: WO
Inventors: 陈菲; 李思军; 马凤国; 王博明; 王鹏
Original assignee: 中兴通讯股份有限公司
Priority date: 2017-03-22
Filing date: 2018-03-21
Publication date: 2018-09-27
Also published as: CN108631070B; CN108631070A

Abstract

Disclosed is a beam mode-controllable antenna. The antenna comprises: a transmitter, a radio frequency port group, a first switch group, a feed network group and an antenna array; wherein the first switch group is arranged between the radio frequency port group and the feed network group; the transmitter is used for generating an electrical signal and inputting the electrical signal into the feed network group via the radio frequency port group; the feed network group comprises at least two feed networks; the feed network group is used for adjusting the amplitude and/or phase of the electrical signal, enabling each feed network to correspond to different beam modes; and the first switch group is used for choosing a feed network which is to access the antenna array so as to control the beam mode of the antenna.

Description

Beam mode controllable antenna

Cross-reference to related applications

The present application is filed on the basis of the Chinese Patent Application No. PCT Application No. PCT Application No. PCT Application No. .

Technical field

The present invention relates to antenna technology in the field of communications, and in particular to a beam mode controllable antenna.

Background technique

With the continuous advancement of communication technologies and the continuous optimization of wireless networks, the requirements for base station antennas are also increasing. For example, a base station antenna is required to be able to switch between different beam modes.

However, the current base station antenna can only work in one fixed beam mode. If another beam mode is needed, the current base station antenna needs to be replaced with another base station antenna. The method of replacing the base station antenna to achieve the replacement beam mode not only causes the wireless network upgrade optimization period to be too long, but also the replaced base station antenna is difficult to be used again, causing serious waste.

Summary of the invention

In view of this, the embodiments of the present invention are expected to provide a beam mode controllable antenna, which can shorten the network upgrade optimization period and reduce waste.

The technical solution of the present invention is implemented as follows:

In a first aspect, an embodiment of the present invention provides a beam mode controllable antenna, where the antenna includes: a transmitter, a radio port group, a first switch group, a feed network group, and an antenna array; and the first switch group is configured. Between the radio frequency port group and the feed network group;

The transmitter is configured to generate an electrical signal, and input the electrical signal to the feeding network group through the radio frequency port group;

The feed network group includes at least two feed networks; the feed network group is configured to adjust an amplitude and/or a phase of the electrical signal, so that each feed network corresponds to a different beam mode;

The first switch group is configured to select a feed network that accesses the antenna array to control a beam mode of the antenna.

In the embodiment of the present invention, the feeding network group includes at least one N beam X angle feeding network and at least one M beam Y angle feeding network, and the beam mode includes an N beam X angle mode and an M beam Y angle mode. ;

The N-beam X-angle feed network, the antenna is operated in an N-beam X-angle mode; the M-beam Y-angle feed network is configured to operate the antenna in an M beam Y angle mode;

Wherein, N and M are integers greater than or equal to 1, and X and Y are both angles greater than 0 degrees and less than 360 degrees, and N is not equal to M and/or X is not equal to Y.

In the embodiment of the present invention, the antenna further includes a switch group control device, configured to control a connection manner between the first switch group and the feed network group.

In the embodiment of the present invention, the transmitter is configured to generate a first electrical signal and a second electrical signal;

The radio frequency port group includes a first radio frequency port and a second radio frequency port; the first radio frequency port is configured to input the first electrical signal to the feed network group, and the second radio frequency port is configured to: Inputting the second electrical signal to the feed network group;

The feed network group includes a first feed network, a second feed network, and a third feed network, the first feed network is a single beam X angle feed network, and the second feed network is a single a beam Y angle feeding network, the third feeding network is a dual beam feeding network, and X is not equal to Y;

The first switch group includes a first switch and a second switch, and the first switch is configured to control a connection manner between the first radio frequency port and the feed network group, so that the first feed network, At least one of the second feed network and the third feed network is connected to the antenna array to control a beam mode of the antenna; and the second switch is configured to control the second RF port Connecting to the feed network group, at least one of the first feed network, the second feed network, and the third feed network is connected to the antenna array to control the Beam mode of the antenna.

In the embodiment of the present invention, the antenna further includes a second switch group disposed between the feed network group and the antenna array;

The first switch group is configured to control a connection manner between the radio frequency port group and the feed network group;

The second switch group is configured to control a connection manner between the feed network group and the antenna array.

In the embodiment of the present invention, the antenna further includes a switch group control device, configured to control a connection manner between the first switch group and the second switch group and the feed network group.

In an embodiment of the invention, the first switch group includes more than one switch; the switch is a mechanical switch or an electronic switch.

In an embodiment of the invention, the feed network is a Butler matrix network.

In a second aspect, an embodiment of the present invention provides a beam mode controllable antenna, where the antenna includes: a transmitter, a radio port group, a second switch group, a feed network group, and an antenna array; and the second switch group is configured. Between the feed network group and the antenna array;

The second switch group is configured to select a feed network that accesses the antenna array to control a beam mode of the antenna.

The antenna array includes a first feed port, a second feed port, a third feed port, and a fourth feed port;

The second switch group includes a first switch, a second switch, a third switch, and a fourth switch, where the first switch is configured to control a connection manner between the first feed port and the feed network group, And causing at least one of the first feed network, the second feed network, and the third feed network to access the antenna array to control a beam mode of the antenna; the second switch, And a method for controlling connection between the second feed port and the feed network group, so that at least one of the first feed network, the second feed network, and the third feed network is connected Go to the antenna array to control a beam mode of the antenna; the third switch is configured to control a connection manner between the third feed port and the feed network group, so that the first feed network And at least one of the second feed network and the third feed network is connected to the antenna array to control a beam mode of the antenna; and the fourth switch is configured to control the fourth feed Connecting the electrical port to the feed network group to make the first feed At least one of the network, the second feed network, and the third feed network is connected to the antenna array to control a beam pattern of the antenna.

In the embodiment of the present invention, the antenna further includes a switch group control device, configured to control a connection manner between the second switch group and the feed network group.

In an embodiment of the invention, the second switch group includes more than one switch; the switch is a mechanical switch or an electronic switch.

In an embodiment of the invention, the feed network is a Butler matrix network.

The beam mode controllable antenna provided by the embodiment of the present invention includes a first switch group and/or a second switch group, and different feed networks corresponding to different beam modes, and is controlled by the first switch group and/or the second switch group. Different feeder networks are connected to the antenna array. Since different feeder networks correspond to different beam modes, different feeder networks can be controlled by the first switch group and/or the second switch group to access the antenna array. The beam mode used by the antenna; compared with the existing antenna, the antenna provided by the implementation of the present invention does not need to replace the antenna when replacing the beam mode, and only needs to control different feeds through the first switch group and/or the second switch group. The network can be connected to the antenna array, which solves the problem that the wireless network upgrade optimization period is too long, and the replaced antenna is difficult to be used again, causing serious waste; achieving the effect of shortening the network upgrade optimization period and reducing waste. Further, since it only needs to be controlled by the switch group, the operation is simple, convenient, and flexible, and the application range is wider.

DRAWINGS

1A is a schematic structural diagram of an implementation of a beam mode controllable antenna according to an embodiment of the present invention;

1B is a schematic structural diagram of another beam mode controllable antenna according to an embodiment of the present invention;

1C is a schematic structural diagram of another implementation of a beam mode controllable antenna according to an embodiment of the present invention;

FIG. 1D is a schematic structural diagram of another implementation of a beam mode controllable antenna according to an embodiment of the present invention; FIG.

1E is a schematic structural diagram of implementation of a single beam mode and a dual beam mode according to an embodiment of the present invention;

FIG. 1F is a schematic structural diagram of another implementation of a beam mode controllable antenna according to an embodiment of the present invention; FIG.

2A is a schematic structural diagram of an implementation of a beam mode controllable antenna according to an embodiment of the present invention;

2B is a schematic structural diagram of another implementation of a beam mode controllable antenna according to an embodiment of the present invention;

3A is a schematic structural diagram of an implementation of a beam mode controllable antenna according to an embodiment of the present invention;

FIG. 3B is a schematic structural diagram of another implementation of a beam mode controllable antenna according to an embodiment of the present invention; FIG.

FIG. 3C is a schematic structural diagram of another implementation of a beam mode controllable antenna according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings.

This embodiment provides a beam mode controllable antenna. Referring to FIG. 1A, the antenna of this embodiment includes: a transmitter 10, a radio frequency port group 11, a first switch group 12, a feed network group 13, and an antenna array 14. .

The transmitter 10 is configured to generate an electrical signal and input the electrical signal to the feeder network group 13 through the RF port group 11.

In addition, referring to the antenna shown in FIG. 1B, the feed network group 13 includes n feed networks, n is greater than or equal to 2, and at least two of the n feed networks are different. Among them, each feed network is used to adjust the amplitude and / or phase of the electrical signal. Further, the different feed networks indicate that the feed network has different degrees of amplitude and/or phase adjustment of the electrical signals, thereby making the adjusted electrical signals different.

In other embodiments, the feed network group 13 includes at least one N-beam X-angle feed network and at least one M-beam Y-angle feed network. Wherein, the N beam X angle feeding network is configured to adjust the amplitude and/or phase of the electrical signal, and input the adjusted electrical signal to at least one column of vibrators, so that an array of vibrators receiving the adjusted electrical signals operate at N a beam X angle mode, wherein the beam mode of the antenna comprises an N beam X angle mode; an M beam Y angle feed network for adjusting the amplitude and/or phase of the electrical signal, and inputting the adjusted electrical signal to at least one column of oscillators, Thereby, a series of vibrators receiving the electrical signal are operated in the M beam Y angle mode, so that the beam mode of the antenna includes the M beam Y angle mode. Therefore, in this case, the beam mode of the antenna includes at least an N beam X angle mode and an M beam Y angle mode. Wherein, N and M are integers greater than or equal to 1, and X and Y are both angles greater than 0 degrees and less than 360 degrees, and N is not equal to M and/or X is not equal to Y. Of course, the feed network group 13 may further include a more type of feed network, so that the antenna includes more types of beam patterns, which is not limited by the embodiment of the present invention.

Illustratively, referring to the antenna shown in FIG. 1C, the feed network group 13 includes three feed networks, which are a single beam X angle feed network, a single beam Y angle feed network, and a dual beam feed network, respectively. The single-beam X-angle feed network regulates the input of its own electrical signal, and inputs the adjusted electrical signal to the antenna array, so that the working mode of the antenna includes a single beam X-angle mode; the single-beam Y-angle feed network regulates the input of its own power. Signal, and input the adjusted electrical signal to the antenna array, so that the working mode of the antenna includes a single beam Y angle mode; the dual beam feeding network adjusts the input electrical signal, and inputs the adjusted electrical signal to the antenna array The operating mode of the antenna includes a dual beam mode. Therefore, the beam mode of the antenna includes a single beam X angle mode, a single beam Y angle mode, and a dual beam mode.

In other embodiments, the single beam feed network may include a power splitter to adjust the amplitude of the electrical signal such that the beam mode corresponding to the adjusted electrical signal is a single beam mode; the dual beam feed network may include a power splitter And a phase shifter to adjust the amplitude and phase of the electrical signal, so that the beam mode corresponding to the adjusted electrical signal is a dual beam mode.

It is a prior art to know how the power splitter and the phase shifter in the feed network adjust the electrical signal input to the antenna to operate the antenna in the corresponding beam mode, which will not be described in detail herein.

The first switch group 12 is disposed between the RF port group 11 and the feed network group 13 for controlling the connection mode of the RF port group 11 and the feed network group 13 to select the feed network of the access antenna array 14. To control the beam pattern included in the antenna.

In other embodiments, when the N-beam X-angle feed network is connected to the antenna array 14, the operating mode of the antenna includes an N-beam X-angle mode; when the M-beam Y-angle feed network is connected to the antenna array 14, The working mode of the antenna includes an M beam Y angle mode; when the N beam X angle feeding network and the M beam Y angle feeding network are simultaneously connected to the antenna array 14, the working mode of the antenna includes an N beam X angle mode and an M beam Y Angle mode.

It should be noted that the N-beam X-angle feed network is connected to the antenna array 14 for the N-beam X-angle feed network to be connected to at least one column of the vibrators included in the antenna array 14 to enable access to the N-beam X-angle feed network. An array of vibrators operates in an N-beam X-angle mode such that the antenna's operating mode includes an N-beam X-angle mode; the M-beam Y-angle feed network is connected to the antenna array 14 for the M-beam Y-angle feed network to the antenna array 14 Among the at least one array of vibrators included, an array of vibrators accessing the M beam Y angle feed network is operated in the M beam Y angle mode, so that the antenna operating mode includes the M beam Y angle mode.

Still taking the example shown in FIG. 1C above as an example, when at least one of the two single-beam feed networks is connected to the antenna array 14, the beam pattern of the antenna includes a single beam mode; when the dual beam feed network is connected to In the case of the antenna array 14, the beam pattern of the antenna includes a dual beam mode; when the single beam feeding network and the dual beam feeding network are connected to the antenna array 14, the beam patterns of the antenna include a single beam mode and a dual beam mode.

In other embodiments, a feed network may be connected to a series of oscillators of the antenna array 14 or to two columns of antennas of the antenna array. The embodiments of the present invention do not limit this.

In other embodiments, the first switch block 12 includes at least one switch; the switch is a mechanical switch or an electronic switch.

In other embodiments, the feed network is a Butler Matrix network.

Illustratively, referring to FIG. 1D, the antenna provided in this embodiment may be:

The transmitter 10 is configured to generate a first electrical signal 10a and a second electrical signal 10b.

The feeder network group 13 includes a first feed network 13a, a second feed network 13b, and a third feed network 13c. The first feed network 13a and the second feed network 13b are single beam feed networks, and the third feed The electrical network 13c is a dual beam feed network, and the angles of the beams corresponding to the first feed network 13a and the second feed network 13b are different. Here, the first feed network 13a is a single beam X angle feed network, and the second The feed network 13b is an example of a single beam Y angle feed network. In addition, the angle of the beam corresponding to the single-beam feeding network may be the same as or different from the angle of the beam corresponding to the multi-beam feeding network.

The radio frequency port group 11 includes a first radio frequency port 11a and a second radio frequency port 11b. The first radio frequency port 11a is configured to input the first electrical signal 10a to the first feed network 13a or the third feed network 13c, and the second radio frequency. The port 11b is for inputting the second electrical signal 10b to the second feed network 13b or the third feed network 13c.

The antenna array 14 includes four columns of vibrators, which are a first column of transducers 14a, a second column of transducers 14b, a third column of transducers 14c, and a fourth column of transducers 14d. The first column of transducers 14a is connected to the first feeder network 13a and the third feeder network 13c, and the second column of transducers 14b is connected to the first feeder network 13a and the third feeder network 13c, and the third column of transducers 14c and The second feed network 13b is connected to the third feed network 13c, and the fourth train 23d is connected to the second feed network 13b and the third feed network 13c.

The first switch group 12 includes a first switch 12a and a second switch 12b.

In other embodiments, as shown in FIG. 1D, the first switch 12a controls the first RF port 11a to access the first feed network 13a or the third feed network 13c, thereby enabling the first feed network 13a or the first The three-feed network 13c is connected to the antenna array 14, and is connected to the first column vibrator 14a and the second column vibrator 14b. Since the first feed network 13a is a single beam X angle feed network, the third feed network 13c is a dual beam feed network, so when the first feed network 13a is connected to the first column of oscillators 14a and the second column In the case of the vibrator 14b, the operation modes of the first column vibrator 14a and the second column vibrator 14b are single beam X angle mode, and the working mode of the antenna includes a single beam X angle mode; when the third feeding network 13c is connected to the first column In the case of the vibrator 14a and the second column vibrator 14b, the operation modes of the first column element 14a and the second column element 14b are in the dual beam mode, and the operation mode of the antenna includes the dual beam mode.

The second switch 12b controls the second RF port 11b to access the second feed network 13b or the third feed network 13c, thereby connecting the second feed network 13b or the third feed network 13c to the antenna array 14. The third column vibrator 14c and the fourth column vibrator 14d are entered. Since the second feed network 13b is a single beam Y angle feed network, the third feed network 13c is a dual beam feed network, so when the second feed network 13b is connected to the third column oscillator 14c and the fourth column In the case of the vibrator 14d, the operating modes of the third column of the vibrator 14c and the fourth column of the vibrator 14d are single beam Y angle mode, and the operating mode of the antenna includes a single beam Y angle mode; when the third feeding network 13c is connected to the third column In the case of the vibrator 14c and the fourth column of transducers 14d, the third column of the vibrator 14c and the fourth column of the vibrator 14d are in a dual beam mode, and the operating mode of the antenna includes the dual beam mode.

In addition, a single pole double throw switch is provided in Figure 1D to select one feed network access per RF port. Other types of switches, such as double-pole double-throwing, etc., may be used in the actual application, which is not limited in the embodiment of the present invention. Illustratively, if one RF port needs to be simultaneously connected to two feeder networks, a double pole double throw switch can be used.

In other embodiments, the first feed network 13a and the second feed network 13b may be one or more power splitters; the third feed network 13c may include one or more power splitters, and the power splitter will One electrical signal is divided into two or more electrical signals, and the amplitude of the electrical signal is also changed. It should be noted that, in FIG. 1D, a power splitter is disposed at a position where one electrical signal is divided into two or more electrical signals, which are not all shown in FIG. 1D. The third feed network 13c also includes a phase shifter for changing the phase of the electrical signal. As shown in FIG. 1D, the third feed network 13c includes six phase shifters, four horizontal 180 degree phase shifters and two 90 degree phase shifters.

In addition, referring to FIG. 1E, FIG. 1E shows a single beam and dual beam schematic.

The horizontal axis represents the beam angle and the vertical axis represents the gain.

Among them, beams 1, 2 and 3 are main beams, and beams 4, 5, 6 and 7 are side lobes. Further, beam 2 is a single beam, beam 1 is a dual beam left beam, and beam 3 is a dual beam right beam.

In other embodiments, referring to FIG. 1F, the antenna further includes a switch group control device 15 for controlling the connection manner of the first switch group 12 and the feed network group 13 to control the first switch group 12 to select a desired feed. The network accesses the antenna array 14. Of course, it is also possible to perform control directly by manual operation without using the switch group control device 15.

In addition, each of the vibrators of the antenna array 14 includes a feed port (not shown in the figure). When the feed network group 13 feeds the trains, the electric signals are fed to the feed ports through the feed ports. The column oscillator provides an electrical signal for the corresponding column oscillator.

In addition, it should be noted that the antenna shown in FIG. 1D is only an example. The antenna provided by the implementation of the present invention can design the number of electrical signals that the transmitter 10 needs to transmit according to the beam mode required by the application scenario of the antenna. The number of radio frequency ports included in group 11 is the number of switches included in first switch group 12 and the type of switches, and the number of vibrator columns included in antenna array 14.

In addition, after the antenna is designed, the correspondence between each beam mode and the switch connection mode can be designed according to the beam mode included in the antenna and the number and type of switches included in the first switch group 12, and the corresponding relationship is saved. In this way, when the antenna needs to be operated in a certain beam mode, the connection mode can be directly obtained from the corresponding relationship. In the process of implementation, the switch group control device can control the beam mode of the antenna by:

The first step is to receive a beam mode change command sent by the command device to obtain a beam mode carried in the beam mode change command.

The command device may be a remote device, for example, a radio remote unit (RRU) or a building base band unit (BBU).

In addition, the switch group control device further includes a processing unit for receiving transmission data or instructions and the like.

In the second step, according to the obtained beam mode, the corresponding switch connection manner is obtained from the preset correspondence.

In the third step, according to the obtained switch connection manner, each switch included in the first switch group is controlled, so that the connection manner of each switch is the same as that of the obtained switch.

When the switches included in the first switch group are connected in the same manner as the obtained switches, the corresponding feed network can be connected to the antenna array, so that the antenna array operates in the beam mode.

In summary, the beam mode controllable antenna provided by the embodiment of the present invention includes different feed networks and a first switch group, and different feeder networks are controlled by the first switch group to access the antenna array, because different feed networks Corresponding to different beam modes, when the different switch networks are controlled to access the antenna array through the first switch group, the beam mode of the antenna can be controlled; compared with the existing antenna, the antenna provided by the implementation of the present invention is in the beam replacement mode. When the antenna is not required to be replaced, only the first switch group is required to control different feed networks to access the antenna array, thereby solving the problem that the wireless network upgrade optimization period is too long, and the replaced antenna is difficult to be used again, resulting in Serious waste problem; achieved the effect of shortening the network optimization cycle and reducing waste.

This embodiment provides another beam mode controllable antenna. Compared with the foregoing embodiment, the antenna provided in this embodiment includes a second switch group but does not include the first switch group. The position of the second switch group is the same as the foregoing embodiment. The position of the first switch group is different. Referring to FIG. 2A, the antenna of the present embodiment includes a transmitter 10, a radio frequency port group 11, a second switch group 16, a feed network group 13, and an antenna array 14.

The structure or the function of the transmitter 10, the radio frequency port group 11, the feed network group 13, and the antenna array 14 are the same as or similar to those of the foregoing embodiment, and are not described herein.

In addition, the second switch group 16 is disposed between the feed network group 13 and the antenna array 14. The second switch group 16 is also used to select a feed network that accesses the antenna array 14 to control the beam pattern of the antenna. However, the control mode is different from that of the first switch group 12. In other embodiments, the second switch group 16 is connected to the antenna array 14 by controlling the feed network group 13 to select different feed networks to access the antenna array 14.

Illustratively, referring to FIG. 2B, the antenna provided in this embodiment may be:

The feeder network group 13 includes a first feed network 13a, a second feed network 13b, and a third feed network 13c. The first feed network 13a and the second feed network 13b are single beam feed networks, and the third feed The electrical network 13c is a dual beam feeding network, and the angles of the beams corresponding to the first feeding network 13a and the second feeding network 13b are different. Here, the first feeding network 13a is a single beam X angle feeding network, and the second The feed network 13b is an example of a single beam Y angle feed network. In addition, the angle of the beam corresponding to the single-beam feeding network may be the same as or different from the angle of the beam corresponding to the multi-beam feeding network.

The RF port group 11 includes a first RF port 11a and a second RF port 11b. The first radio frequency port 11a is connected to the first feed network 13a and the third feed network 13c for inputting the first electrical signal 10a to the first feed network 13a and the third feed network 13c; the second radio frequency port 11b It is connected to the second feed network 13b and the third feed network 13c for inputting the second electrical signal 10b to the second feed network 13b and the third feed network 13c.

The antenna array 14 includes four columns of vibrators, which are a first column of transducers 14a, a second column of transducers 14b, a third column of transducers 14c, and a fourth column of transducers 14d. The first column of transducers 14a is connected to the first feeder network 13a or the third feeder network 13c, and the second column of transducers 14b is connected to the first feeder network 13a or the third feeder network 13c, and the third column of transducers 14c and The second feed network 13b or the third feed network 13c is connected, and the fourth column of transducers 14d is connected to the second feed network 13b or the third feed network 13c.

The second switch group 16 includes a third switch 16a, a fourth switch 16b, a fifth switch 16c, and a sixth switch 16d.

In other embodiments, still referring to FIG. 2B, the second switch group 16 controls the connection mode of the feed network group 13 as:

The third switch 16a is configured to control the connection manner between the first column element 14a and the first feeding network 13a and the third feeding network 13c, so that the first feeding network 13a or the third feeding network 13c is connected to the first The vibrator 14a is arranged to control the beam pattern of the antenna. In other embodiments, when the first feeding network 13a is connected to the first column vibrator 14a, the working mode of the first column vibrator 14a is a single beam X angle mode, and the working mode of the antenna includes a single beam X angle mode. When the third feed network 13c is connected to the first column of the oscillators 14a, the working mode in the first column of the oscillators 14a is the dual beam mode, and the operating mode of the antennas includes the dual beam mode.

The fourth switch 16b is configured to control the connection manner between the second column element 14a and the first feeding network 13a and the third feeding network 13c, so that the first feeding network 13a or the third feeding network 13c is connected to the second The column oscillator 14b controls the beam pattern of the antenna. In other embodiments, when the first feeding network 13a is connected to the second column vibrator 14b, the working mode of the second column vibrator 14b is a single beam X angle mode, and the working mode of the antenna includes a single beam X angle mode. When the third feed network 13c is connected to the second column of transducers 14b, the mode of operation of the second column of transducers 14b is the dual beam mode, and the operating mode of the antenna includes the dual beam mode.

The fifth switch 16c is configured to control the connection manner of the third column element 14c with the second feeding network 13b and the third feeding network 13c, so that the second feeding network 13b or the third feeding network 13c is connected to the third The column oscillator 14c controls the beam pattern of the antenna. In other embodiments, when the second feeding network 13b is connected to the third column oscillator 14c, the working mode of the third column oscillator 14c is a single beam Y angle mode, that is, the working mode of the antenna includes a single beam Y angle. Mode; when the third feed network 13c is connected to the third column of transducers 14c, the mode of operation of the third column of transducers 14c is a dual beam mode, that is, the operating mode of the antenna includes a dual beam mode.

The sixth switch 16d is configured to control the connection manner of the fourth column element 14d with the second feeding network 13b and the third feeding network 13c, so that the second feeding network 13b or the third feeding network 13c is connected to the fourth The train is 14d to control the beam pattern of the antenna. In other embodiments, when the second feeding network 13b is connected to the fourth column of transducers 14d, the operating mode of the fourth column of transducers 14d is a single beam Y angle mode, that is, the working mode of the antenna includes a single beam Y angle. Mode; when the third feed network 13c is connected to the fourth column of transducers 14d, the mode of operation of the fourth column of transducers 14d is a dual beam mode, that is, the operating mode of the antenna includes a dual beam mode.

In addition, other extended and optional contents regarding the transmitter 10, the radio frequency port group 11, the feed network group 13, and the antenna array 14 are the same as or similar to those in the foregoing embodiments, and are described herein.

In addition, the control method of the antenna beam mode is the same as or similar to that in the foregoing embodiment, and is described herein.

In addition, the second switch group 16 in this embodiment is designed as needed, and may be the same as or different from the first switch group 12.

In summary, the beam mode controllable antenna provided by the embodiment of the present invention includes different feed networks and a second switch group, and different feed networks are controlled by the second switch group to access the antenna array, because different feed networks Corresponding to different beam modes, when the second switch group is used to control different feed networks to access the antenna array, the beam mode of the antenna can be controlled; compared with the existing antenna, the antenna provided by the implementation of the present invention is in the beam replacement mode. When the antenna is not required to be replaced, only the second switch group is required to control different feed networks to access the antenna array, thereby solving the problem that the wireless network upgrade optimization period is too long, and the replaced antenna is difficult to be used again, resulting in Serious waste problem; achieved the effect of shortening the network optimization cycle and reducing waste.

This embodiment provides a beam mode controllable antenna. The antenna provided in this embodiment includes the first switch group shown in Embodiment 1 and the second switch shown in Embodiment 2. The switch group has a different position of the first switch group than the second switch group. Referring to FIG. 3A, the antenna of the present embodiment includes a transmitter 10, a radio frequency port group 11, a first switch group 12, a feed network group 13, a second switch group 16, and an antenna array 14.

The first switch group 12 is disposed between the RF port group 11 and the feed network group 13 for controlling the connection mode of the RF port group 11 and the feed network group 13 to select the feed network of the access antenna array 14. The second switch group 16 is disposed between the feed network group 13 and the antenna array 14 for controlling the connection mode of the feed network group 13 and the antenna array 14 to select an access antenna. The feed network of array 14 controls the beam pattern included in the antenna. Thus, the feed network accessing the antenna array 14 is commonly selected by the first switch group 12 and the second switch group 16 to control the operating mode of the antenna.

When the first switch group 12 and the second switch group 16 jointly control the feed network of the access antenna array 14, since the first switch group 12 and the second switch group 1 are jointly controlled, it can be obtained by using only one switch group control. More feed networks are connected to the antenna array, so control is more flexible.

Referring to FIG. 3B, the switch group control device 15 is further configured to control the first switch group 12 and the second switch group 16 to enable the first switch group 12 and the second switch group 16 to select a desired feed network group to access the antenna. Array 14.

For example, referring to FIG. 3C, the antenna provided in this embodiment may be:

The first switch group 12 includes a first switch 12a and a second switch 12b.

For the connection manner of the first switch group 12 to control the feed network of the access antenna array 14, reference may be made to the connection mode shown in FIG. 1D, which is not described herein. For the connection manner of the second switch group 16 to control the feed network of the access antenna array 14, refer to the connection mode shown in Figure 2B of the second embodiment, and no further details are provided herein.

Exemplarily, one end of the first feed network 13a is connected to the first switch 12a of the first switch group 12, and the other end of the first feed network 13a is connected with the third switch 16a of the second switch group 16, The first feed network 13a is connected to the first column of oscillators 14a, so that the first column of oscillators 14a operates in a single beam X-angle mode, so that the operating mode of the antenna array 14 is a single beam X-angle mode.

Of course, the connection manner of the first switch group 12 and the second switch group 16 with the feed network may also have other connection manners. Other connection manners of the switches included in the first switch group 12 and the second switch group 16 are not here. Do one by one.

In addition, other extensions and optional contents related to the transmitter 10, the radio frequency port group 11, the feed network group 13, and the antenna array 14 are the same as or similar to those in the foregoing embodiment, and are not described herein.

In summary, the beam mode controllable antenna provided by the embodiment of the present invention includes different feed networks, a first switch group and a second switch group, and different feed networks are controlled by the first switch group and the second switch group. In the antenna array, since different feeder networks correspond to different beam modes, when the first switch group and the second switch group control different feed networks to access the antenna array, the beam pattern of the antenna can be controlled; In the existing antenna, the antenna provided by the implementation of the present invention does not need to replace the antenna when replacing the beam mode, and only needs to control different feed networks to access the antenna array through the first switch group and the second switch group, thereby solving the problem. The wireless network upgrade optimization cycle is too long, and the replaced antenna is difficult to be used again, causing serious waste problems; achieving the effect of shortening the network optimization cycle and reducing waste.

It is to be understood that the phrase "one embodiment" or "an embodiment" or "an" Thus, "in one embodiment" or "in an embodiment" or "an" In addition, these particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present invention, the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention. The implementation process constitutes any limitation. The serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

It is to be understood that the term "comprises", "comprising", or any other variants thereof, is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes those elements. It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, article, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

The above is only the embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. It is intended to be covered by the scope of the invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.

Industrial applicability

The antenna provided by the implementation of the present invention does not need to replace the antenna when replacing the beam mode, and only needs to control different feed networks to access the antenna array through the first switch group and/or the second switch group, thereby solving the wireless network upgrade. The optimization period is too long, and the replaced antenna is difficult to be used again, causing serious waste problems; achieving the effect of shortening the network upgrade optimization cycle and reducing waste. Further, since it only needs to be controlled by the switch group, the operation is simple, convenient, and flexible, and the application range is wider.

Claims

A beam mode controllable antenna, wherein the antenna comprises: a transmitter, a radio frequency port group, a first switch group, a feed network group, and an antenna array; the first switch group is disposed in the radio frequency port group and the Between the feeder network groups;

The transmitter is configured to generate an electrical signal, and input the electrical signal to the feeding network group through the radio frequency port group;

The feed network group includes at least two feed networks; the feed network group is configured to adjust an amplitude and/or a phase of the electrical signal, so that each feed network corresponds to a different beam mode;

The first switch group is configured to select a feed network that accesses the antenna array to control a beam mode of the antenna.
The antenna of claim 1 wherein said group of feed networks comprises at least one N-beam X-angle feed network and at least one M-beam Y-angle feed network, said beam pattern comprising N-beam X-angle mode and M Beam Y angle mode;

The N-beam X-angle feed network, the antenna is operated in an N-beam X-angle mode; the M-beam Y-angle feed network is configured to operate the antenna in an M beam Y angle mode;

Wherein, N and M are integers greater than or equal to 1, and X and Y are both angles greater than 0 degrees and less than 360 degrees, and N is not equal to M and/or X is not equal to Y.
The antenna according to claim 1 or 2, wherein the antenna further comprises switch group control means for controlling a connection manner of the first switch group and the feed network group.
The antenna according to claim 1 or 2, wherein

The transmitter is configured to generate a first electrical signal and a second electrical signal;

The radio frequency port group includes a first radio frequency port and a second radio frequency port; the first radio frequency port is configured to input the first electrical signal to the feed network group, and the second radio frequency port is configured to: Inputting the second electrical signal to the feed network group;

The feed network group includes a first feed network, a second feed network, and a third feed network, the first feed network is a single beam X angle feed network, and the second feed network is a single a beam Y angle feeding network, the third feeding network is a dual beam feeding network, and X is not equal to Y;

The first switch group includes a first switch and a second switch, and the first switch is configured to control a connection manner between the first radio frequency port and the feed network group, so that the first feed network, At least one of the second feed network and the third feed network is connected to the antenna array to control a beam pattern of the antenna; and the second switch is configured to control the second RF port Connecting to the feed network group, at least one of the first feed network, the second feed network, and the third feed network is connected to the antenna array to control the Beam mode of the antenna.
The antenna according to claim 1 or 2, wherein the antenna further comprises a second switch group disposed between the feed network group and the antenna array;

The first switch group is configured to control a connection manner between the radio frequency port group and the feed network group;

The second switch group is configured to control a connection manner between the feed network group and the antenna array.
The antenna according to claim 5, wherein said antenna further comprises switch group control means for controlling a connection manner of said first switch group and said second switch group with said feed network group.
The antenna according to claim 1 or 2, wherein the first switch group includes one or more switches; the switch is a mechanical switch or an electronic switch.
The antenna according to claim 1 or 2, wherein the feed network is a Butler Matrix network.
A beam mode controllable antenna, wherein the antenna comprises: a transmitter, a radio frequency port group, a second switch group, a feed network group, and an antenna array; the second switch group is disposed in the feed network group and Between the antenna arrays;

The transmitter is configured to generate an electrical signal, and input the electrical signal to the feeding network group through the radio frequency port group;

The feed network group includes at least two feed networks; the feed network group is configured to adjust an amplitude and/or a phase of the electrical signal, so that each feed network corresponds to a different beam mode;

The second switch group is configured to select a feed network that accesses the antenna array to control a beam mode of the antenna.
The antenna according to claim 9, wherein said group of feed networks comprises at least one N-beam X-angle feed network and at least one M-beam Y-angle feed network, said beam pattern comprising N-beam X-angle mode and M Beam Y angle mode;

The N-beam X-angle feed network, the antenna is operated in an N-beam X-angle mode; the M-beam Y-angle feed network is configured to operate the antenna in an M beam Y angle mode;

Wherein, N and M are integers greater than or equal to 1, and X and Y are both angles greater than 0 degrees and less than 360 degrees, and N is not equal to M and/or X is not equal to Y.
The antenna according to claim 9 or 10, wherein

The transmitter is configured to generate a first electrical signal and a second electrical signal;

The radio frequency port group includes a first radio frequency port and a second radio frequency port; the first radio frequency port is configured to input the first electrical signal to the feed network group, and the second radio frequency port is configured to: Inputting the second electrical signal to the feed network group;

The feed network group includes a first feed network, a second feed network, and a third feed network, the first feed network is a single beam X angle feed network, and the second feed network is a single a beam Y angle feeding network, the third feeding network is a dual beam feeding network, and X is not equal to Y;

The antenna array includes a first feed port, a second feed port, a third feed port, and a fourth feed port;

The second switch group includes a first switch, a second switch, a third switch, and a fourth switch, where the first switch is configured to control a connection manner between the first feed port and the feed network group, And causing at least one of the first feed network, the second feed network, and the third feed network to access the antenna array to control a beam mode of the antenna; the second switch, And a method for controlling connection between the second feed port and the feed network group, so that at least one of the first feed network, the second feed network, and the third feed network is connected Go to the antenna array to control a beam mode of the antenna; the third switch is configured to control a connection manner between the third feed port and the feed network group, so that the first feed network And at least one of the second feed network and the third feed network is connected to the antenna array to control a beam mode of the antenna; and the fourth switch is configured to control the fourth feed Connecting the electrical port to the feed network group to make the first feed At least one of the network, the second feed network, and the third feed network is connected to the antenna array to control a beam pattern of the antenna.
The antenna according to claim 9 or 10, wherein the antenna further comprises switch group control means for controlling a connection manner of the second switch group and the feed network group.
The antenna according to claim 9 or 10, wherein said second switch group comprises more than one switch; said switch being a mechanical switch or an electronic switch.
The antenna according to claim 9 or 10, wherein the feed network is a Butler Matrix network.