WO2018171600A1 - Antenne pouvant être commandée par mode de faisceau - Google Patents

Antenne pouvant être commandée par mode de faisceau Download PDF

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Publication number
WO2018171600A1
WO2018171600A1 PCT/CN2018/079715 CN2018079715W WO2018171600A1 WO 2018171600 A1 WO2018171600 A1 WO 2018171600A1 CN 2018079715 W CN2018079715 W CN 2018079715W WO 2018171600 A1 WO2018171600 A1 WO 2018171600A1
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WO
WIPO (PCT)
Prior art keywords
feed network
group
antenna
feed
switch
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Application number
PCT/CN2018/079715
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English (en)
Chinese (zh)
Inventor
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
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2018171600A1 publication Critical patent/WO2018171600A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/04—Multimode antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems

Definitions

  • the present invention relates to antenna technology in the field of communications, and in particular to a beam mode controllable antenna.
  • a base station antenna is required to be able to switch between different beam modes.
  • 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.
  • 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.
  • 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.
  • 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;
  • N and M are integers greater than or equal to 1
  • X and Y are both angles greater than 0 degrees and less than 360 degrees
  • N is not equal to M and/or X is not equal to Y.
  • 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.
  • 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.
  • 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.
  • 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.
  • the first switch group includes more than one switch; the switch is a mechanical switch or an electronic switch.
  • the feed network is a Butler matrix network.
  • 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 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 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;
  • N and M are integers greater than or equal to 1
  • X and Y are both angles greater than 0 degrees and less than 360 degrees
  • N is not equal to M and/or X is not equal to Y.
  • 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
  • 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.
  • the second switch group includes more than one switch; the switch is a mechanical switch or an electronic switch.
  • 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.
  • FIG. 1A is a schematic structural diagram of an implementation of a beam mode controllable antenna according to an embodiment of the present invention
  • FIG. 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.
  • 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.
  • 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. 3C is a schematic structural diagram of another implementation of a beam mode controllable antenna according to an embodiment of the present invention.
  • 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.
  • 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.
  • 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.
  • 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.
  • the beam mode of the antenna includes at least an N beam X angle mode and an M beam Y angle mode.
  • N and M are integers greater than or equal to 1
  • X and Y are both angles greater than 0 degrees and less than 360 degrees
  • N is not equal to M and/or X is not equal to Y.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the operating mode of the antenna 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.
  • 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.
  • the beam pattern of the antenna 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.
  • 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.
  • the first switch block 12 includes at least one switch; the switch is a mechanical switch or an electronic switch.
  • the feed network is a Butler Matrix network.
  • 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
  • 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.
  • the first feed network 13a is a single beam X angle feed network
  • the second The feed network 13b is an example of a single beam Y angle feed network.
  • 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
  • the second column of transducers 14b is connected to the first feeder network 13a and the third feeder network 13c
  • the second feed network 13b is connected to the third feed network 13c
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • a double pole double throw switch can be used.
  • 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.
  • 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.
  • FIG. 1E shows a single beam and dual beam schematic.
  • the horizontal axis represents the beam angle and the vertical axis represents the gain.
  • 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.
  • 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.
  • each of the vibrators of the antenna array 14 includes a feed port (not shown in the figure).
  • 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.
  • 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.
  • 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).
  • RRU radio remote unit
  • BBU building base band unit
  • the switch group control device further includes a processing unit for receiving transmission data or instructions and the like.
  • the corresponding switch connection manner is obtained from the preset correspondence.
  • 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.
  • the corresponding feed network can be connected to the antenna array, so that the antenna array operates in the beam mode.
  • 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
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the control mode is different from that of the first switch group 12.
  • 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.
  • 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
  • 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.
  • the first feeding network 13a is a single beam X angle feeding network
  • the second The feed network 13b is an example of a single beam Y angle feed network.
  • 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
  • the second column of transducers 14b is connected to the first feeder network 13a or the third feeder network 13c
  • the third column of transducers 14c and The second feed network 13b or the third feed network 13c is connected
  • 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.
  • 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.
  • the working mode of the first column vibrator 14a is a single beam X angle mode
  • the working mode of the antenna includes a single beam X angle mode.
  • 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
  • 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.
  • the working mode of the second column vibrator 14b is a single beam X angle mode
  • the working mode of the antenna includes a single beam X angle mode.
  • the mode of operation of the second column of transducers 14b is the dual beam mode
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • control method of the antenna beam mode is the same as or similar to that in the foregoing embodiment, and is described herein.
  • 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.
  • 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
  • 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.
  • 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.
  • 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 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.
  • 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.
  • 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.
  • 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 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.
  • 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
  • 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.
  • the first feeding network 13a is a single beam X angle feeding network
  • the second The feed network 13b is an example of a single beam Y angle feed network.
  • 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
  • the second column of transducers 14b is connected to the first feeder network 13a or the third feeder network 13c
  • the third column of transducers 14c and The second feed network 13b or the third feed network 13c is connected
  • the fourth column of transducers 14d is connected to the second feed network 13b or the third feed network 13c.
  • the first switch group 12 includes a first switch 12a and a second switch 12b.
  • the second switch group 16 includes a third switch 16a, a fourth switch 16b, a fifth switch 16c, and a sixth switch 16d.
  • 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.
  • 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.
  • 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.
  • 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.
  • control method of the antenna beam mode is the same as or similar to that in the foregoing embodiment, and is described herein.
  • 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.
  • 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;
  • 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.
  • 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.

Abstract

L'invention concerne une antenne pouvant être commandée par mode de faisceau. L'antenne comprend : un émetteur, un groupe de ports radiofréquence, un premier groupe de commutateurs, un groupe de réseaux d'alimentation et un réseau d'antennes ; le premier groupe de commutateurs étant agencé entre le groupe de ports radiofréquence et le groupe de réseaux d'alimentation ; l'émetteur étant utilisé pour générer un signal électrique et entrer le signal électrique dans le groupe de réseaux d'alimentation par l'intermédiaire du groupe de ports radiofréquence ; le groupe de réseaux d'alimentation comprenant au moins deux réseaux d'alimentation ; le groupe de réseaux d'alimentation étant utilisé pour ajuster l'amplitude et/ou la phase du signal électrique, permettant à chaque réseau d'alimentation de correspondre à différents modes de faisceau ; et le premier groupe de commutateurs étant utilisé pour choisir un réseau d'alimentation qui doit accéder au réseau d'antennes de manière à commander le mode de faisceau de l'antenne.
PCT/CN2018/079715 2017-03-22 2018-03-21 Antenne pouvant être commandée par mode de faisceau WO2018171600A1 (fr)

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