WO2022135002A1 - Réseau de sources, antenne de station de base et dispositif de station de base - Google Patents

Réseau de sources, antenne de station de base et dispositif de station de base Download PDF

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Publication number
WO2022135002A1
WO2022135002A1 PCT/CN2021/132766 CN2021132766W WO2022135002A1 WO 2022135002 A1 WO2022135002 A1 WO 2022135002A1 CN 2021132766 W CN2021132766 W CN 2021132766W WO 2022135002 A1 WO2022135002 A1 WO 2022135002A1
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WO
WIPO (PCT)
Prior art keywords
feeder
feeding
conductor
feed
pcb
Prior art date
Application number
PCT/CN2021/132766
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English (en)
Chinese (zh)
Inventor
肖伟宏
刘新明
崔莎
周杰君
Original Assignee
华为技术有限公司
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Publication of WO2022135002A1 publication Critical patent/WO2022135002A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • G01R27/06—Measuring reflection coefficients; Measuring standing-wave ratio
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a feeder network, a base station antenna, and base station equipment.
  • MIMO multiple input multiple output
  • FIG. 1 exemplarily shows a schematic flow chart of a method for connecting a detection cable.
  • the method firstly connects one end of at least one cable to a receiver port (such as an antenna port) provided with a keyboard display circuit, and then transmits a radio frequency signal by using
  • the transmitter (such as a radio frequency device) sends a signal at the other end of the at least one cable, so, according to the signal sequence received by each cable in the at least one cable automatically recorded by the receiver provided with the keyboard display circuit, It can be determined whether there is a cable with a connection problem in at least one of the cables.
  • FIG. 2 exemplarily shows a schematic flow chart of another method for connecting a detection cable.
  • the base station device first receives the signal sent by the terminal device through the smart antenna, and then according to the signal received by each antenna of the smart antenna Calculate the shaping weights and the argument vector in turn, and analyze the arguments corresponding to each antenna according to the argument vector.
  • the arguments corresponding to each antenna are determined to form an arithmetic sequence, determine each line in the base station equipment. The cable connection is normal, otherwise it is determined that there is a cable with connection problems in the base station equipment.
  • the base station equipment actually consists of the base station antenna and some other devices, such as radio frequency devices and baseband devices.
  • the antenna port of the base station antenna is connected to one radio frequency communication port of the radio frequency device, and the other radio frequency communication port of the radio frequency device is connected to the baseband device.
  • the detection method shown in Figure 1 can actually only detect the cable connection between the antenna port of the base station antenna and the radio frequency device, while the detection method shown in Figure 2 can only detect the baseband unit and each antenna. Cable connections between ports.
  • these two detection methods can only detect the cable connection between the antenna port and other devices (such as radio frequency devices or baseband devices), but cannot detect the cable connection inside the base station antenna.
  • the present application provides a feeder network, a base station antenna, and base station equipment, which are used to detect the cable connection inside the base station antenna.
  • the present application provides a feeding network, including a first feeding point, a second feeding point, and a feeding detection unit, wherein the first feeding point and the second feeding point are located in the same feeding link, and the A feed point is connected to the first end of the feed detection unit, and a second feed point is connected to the second end of the feed detection unit.
  • the feed detection unit may acquire the first electrical signal at the first feed point and the second electrical signal at the second feed point when the feed link is in a preset working state, and according to the first electrical signal and the second electrical signal The signal is calculated to obtain the standing wave ratio of the feeder link.
  • the preset working state may refer to a normal working state or an abnormal working state, the VSWR corresponding to the normal working state is not less than the preset VSWR threshold, and the VSWR corresponding to the abnormal working state is less than the preset VSWR Burst threshold.
  • a feed detection unit is set in the feed network of the base station antenna, and the feed detection unit is used to detect the feed link in the feed network (belonging to the internal part between the antenna port of the base station antenna and the antenna array). It can accurately locate the internal cable connection problem of the base station antenna, which is convenient to calibrate the internal cable connection of the base station antenna in advance before leaving the factory, and connect the correct base station antenna with the factory internal cable. Further, the feed detection unit can also be used to perform secondary detection after the base station antenna is connected to an external device. Since it has been determined that the internal cable connection of the base station antenna is correct, if the secondary detection still detects a connection problem, Then it can be determined that there is a problem with the external cable connection of the base station antenna.
  • the design can accurately locate the internal cable connection problems and external cable connection problems of the base station antenna, which is convenient for calibrating the cable connections in the base station equipment in advance before launching or installing the base station equipment, and reduces the return of the base station equipment to the factory for maintenance. and the probability that the user redeploys the base station antenna.
  • the first end of the feed detection unit corresponds to the first feed point
  • the second end of the feed detection unit corresponds to the second feed point.
  • the feed detection unit is further used for: before acquiring the first electrical signal at the first feed point and the second electrical signal at the second feed point, control the feed link to be in a preset operation state, and, after determining the standing wave ratio of the feeder link according to the first electrical signal and the second electrical signal, if it is determined that the standing wave ratio matches the standing wave ratio corresponding to the preset working state, Then it is determined that the connection of the feeder link is normal, and after it is determined that the connection of the feeder link is normal, the feeder link is controlled to be in a normal working state.
  • the feeder detection unit can not only be used to detect the connection of the feeder link, but also participate in the feeder adjustment process synchronously to the feeder link. Even if no detection is required, the feeder detection unit can It can also be used to realize feed adjustment, which helps to maximize the utilization of resources in the feed network, and saves the deployment cost of base station antennas as much as possible while improving resource utilization.
  • the feeder detection unit is specifically used for: detecting an abnormal connection problem of the feeder link itself, and/or detecting the line sequence of at least two feeder links.
  • the feeder detection unit can not only locate the connection problem caused by the fault of the software and hardware of the feeder link itself, but also locate multiple feeder links when the software and hardware of the feeder link itself is not faulty. The problem of out-of-order connection between them helps to improve the detection ability of various cable connection errors.
  • the abnormal operating state may include an open circuit state, a mismatch state, or a short circuit state.
  • the abnormal working state caused by various reasons can be detected by the feeder detection unit, and the abnormal connection problem of the feeder link can be accurately located.
  • the power feeding detection unit may include a first controller, a first transmission component, a first tape conductor, a second tape conductor, and a third tape conductor.
  • the first conducting belt line is connected to the first feeding point
  • the second conducting belt line is connected to the second feeding point
  • the first conducting belt line and the second conducting belt line are not in contact
  • the first transmission part is respectively connected to the first controller and the second feeding point.
  • Tri-conductor line Tri-conductor line.
  • the first controller can control the first transmission component to drive the third tape conductor to move to the first position, and when the third tape conductor is at the first position
  • the third conduction strip line is in contact with the first conduction strip line and the second conduction strip line respectively, so that the first feeding point and the second feeding point can pass through the conductive first conduction strip line and the third conduction strip line.
  • Conduction with the second conducting strip line so as to realize that the feeding link where the first feeding point and the second feeding point are located is in a normal working state.
  • the first controller can control the first transmission component to drive the third tape conductor to move to the second position, and when the third tape conductor is in the second position, The third conducting strip line does not contact the first conducting strip line and/or does not contact the second conducting strip line, so that the feeder link where the first feeding point and the second feeding point are located is in an abnormal working state.
  • the feed detection unit can change the access and disconnection of the feeder link through mechanical transmission, so as to change the working state of the feeder link.
  • the first conduction strip line, the second conduction strip line and the third conduction strip line may be implemented in the form of microstrip lines.
  • the three conducting strip lines can be fixed at their respective positions without deformation or abnormal movement. This not only enables the feeding detection unit to realize the feeding detection function through the three conducting strip lines, so as to save the deployment space and cost of the feeding detection unit, but also avoids the plug connection through the connection between the microstrip line and other components. , in order to effectively reduce the insertion loss.
  • the feed detection unit may further include a first cavity, the first feed point and the second feed point are symmetrically arranged on the outer sides of two opposite sides of the first cavity, the first conducting strip line, the second The conduction band line and the third conduction band line are located in the first cavity.
  • the first tape conductor, the second tape conductor and the third tape conductor may be provided as suspended tape lines or sheet metal tape lines.
  • the feed detection unit may further include a first printed circuit board (PCB) and a second PCB that are disposed opposite to each other, and a first slideway, and the first PCB is engaged with In the first cavity, the first slideway is located on the surface of the first cavity relative to the first PCB, or on the surface of the first PCB relative to the second PCB, and the second PCB slides along the first slideway.
  • the first and second conductive strip lines are located on the surface of the first PCB opposite to the second PCB, and the third conductive strip line is located on the surface of the second PCB opposite to the first PCB.
  • the first controller may control the first transmission component to drive the second PCB to slide along the first slideway, so as to drive the third tape conductor on the second PCB to slide to the first position or the second position.
  • the first PCB to carry the first and second strip conductors, and the second PCB to carry the third strip conductor, not only can the three conductor lines be effectively fixed, but also the The sliding of the second PCB drives the third guide belt line to move, so as to avoid the wear phenomenon caused by the transmission component directly driving the third guide belt line to move.
  • the feeding network may include K first feeding points and K second feeding points respectively located in the K feeder links
  • the feeding detection unit may include a first feeding point located at the first K first and K second conduction strip lines on the PCB, and M third conduction strip lines on the second PCB, the K first conduction strip lines are respectively connected to the K first feeding points , the K second conducting strip lines are respectively connected to the K second feeding points.
  • the first controller may also firstly control the first transmission component to drive the second PCB to slide along the first slideway, so as to satisfy the requirements of the L third belt conductors among the M third belt conductors and K respectively.
  • the L first conduction strip lines of the first conduction strip lines and the L second conduction strip lines of the K second conduction strip lines are in contact to conduct the L first conduction strip lines and the L first conduction strip lines that are in contact with each other.
  • L feeder links corresponding to the second conducting strip line.
  • the first controller calculates and obtains the first standing wave ratio of the L feeder links in this case.
  • the first controller controls the first transmission component to drive the second PCB to slide along the first slideway, so as to satisfy the requirement that the L third tape conductors do not contact the L first tape conductors or the L second tape conductors. , to disconnect the L feeder links.
  • the first controller then calculates and obtains the second standing wave ratios of the L feeder links in this case.
  • the first controller may determine that the L feeder links are abnormally connected.
  • K and M are positive integers greater than or equal to 2
  • L is a positive integer less than or equal to M.
  • the standing wave detection is completed by combining the standing wave ratio of each feeder link under different working states, which can not only detect the abnormal connection of the feeder link itself, but also detect the abnormal connection of the feeder link itself.
  • the cable sequence detection (CSD) of the electrical link determines the dislocation connection between the feeder links, which helps to improve the accuracy of the standing wave detection.
  • the feed detection unit may include a second controller, a second transmission part, a fourth conductive strip line and a conductor part, the fourth conductive strip line communicates with the first feeding point and the second feeding point, and the conductor part
  • the ground circuit is coupled, and the second transmission part is respectively connected to the second controller and the conductor part.
  • the second controller can control the second transmission part to drive the conductor part to move to the third position, and when the conductor part is in the third position, the conductor part does not Contact the fourth conductive strip line, so that the fourth conductive strip line can conduct the first feeding point and the second feeding point, so that the feeder link where the first feeding point and the second feeding point are located is in a normal state working status.
  • the second controller can control the second transmission part to drive the conductor part to move to the fourth position; when the conductor part is in the fourth position, the conductor part contacts the fourth conductor strip line, In this way, the impedance on the fourth conducting strip line is affected by the conductor components, so that the feeding link where the first feeding point and the second feeding point are located is in a state of impedance mismatch.
  • the feeder detection unit can change the impedance on the feeder link through mechanical transmission to change the working state of the feeder link.
  • the third and fourth conduction strip lines can be implemented in multiple ways:
  • the third conduction strip line and the fourth conduction strip line may be implemented in the form of microstrip lines.
  • the feed detection unit can not only realize the feed detection function through the two conducting strip lines to save the deployment space and cost of the feed detection unit, but also avoid the plug connection through the connection between the microstrip line and other components , in order to effectively reduce the insertion loss.
  • the feed detection unit may further include a second cavity, the second cavity is formed of a conductive material, and the conductor component is coupled to the second cavity to couple to the ground circuit.
  • the second cavity is formed of a conductive material
  • the conductor component is coupled to the second cavity to couple to the ground circuit.
  • the feed detection unit may further include a third PCB.
  • the third PCB is clamped in the second cavity to achieve positional fixation.
  • the fourth conductor strip is located on the surface of the third PCB opposite to the conductor part, so that when the conductor part moves to the position where the fourth conductor part is located, the conductor part can contact the opposite fourth conductor part.
  • the conductor component may be a conductor spring
  • the first end of the conductor spring is coupled to the second cavity
  • the second end of the conductor spring is suspended on the fourth strip line relative to the conductor spring side.
  • the feed detection unit may further include a second slideway, and the second slideway is located on a surface of the second cavity opposite to the third PCB, or on a surface of the third PCB.
  • the face opposite the conductor part In this case, the conductor part can be moved to the third or fourth position in various ways, for example:
  • the conductor component may be a sliding conductor, and the sliding conductor slides along the second slideway to the third position or the fourth position;
  • the feed detection unit may further include a sliding medium, one end of the conductor component is embedded in the sliding medium, and the sliding medium slides along the second slideway to drive the conductor component embedded in the sliding medium to move to the third position or fourth position;
  • the feed detection unit may further include a fourth PCB, the conductor component is a fifth conducting strip line, the fifth conducting strip line is laid flat inside the fourth PCB, and the fourth PCB runs along the second slideway. Slide to drive the tiled fifth tape conductor in the fourth PCB to move to the third position or the fourth position.
  • the feeding network may include P first feeding points and P second feeding points respectively located in P feeding links
  • the feeding detection unit may include P th feeding points
  • the four conductive strip lines and the P conductor components, and the P fourth conductive strip lines respectively conduct the P first feeding points and the P second feeding points.
  • the second controller may firstly control the second transmission part to drive the Q conductor parts among the P conductor parts to move, so that the Q conductor parts do not contact the Q ones of the P fourth conductor strip lines. Fourth Conductor Line.
  • the Q feeder links corresponding to the Q conduction strip lines are theoretically in a normal working state, and the second controller can calculate the third standing wave ratio of the Q feeder links in this case.
  • the second controller may further control the second transmission part to drive the Q conductor parts to move respectively, so that the Q conductor parts contact the Q fourth conductor strip lines.
  • the second controller can calculate and obtain the fourth standing wave ratio of the Q feeder links in this case. If the difference between the third VSWR and the fourth VSWR is not greater than the preset difference threshold, it means that the Q feeder links have not changed their working states with the control of the second controller, so the second controller It can be determined that the Q feeder links are abnormally connected.
  • P is a positive integer greater than or equal to 2
  • Q is a positive integer less than or equal to P.
  • the feed detection unit may include a third controller and a switch unit, the first electrode of the switch unit is connected to the first feed point, the second electrode of the switch unit is connected to the second feed point, and the control electrode of the switch unit Connect a third controller.
  • the third controller can turn on the first electrode and the second electrode of the switching unit, so that the first feeding point and the second feeding point The first electrode and the second electrode can be turned on, and the feed link where the first feed point and the second feed point are located is in a normal working state.
  • the third controller can disconnect the first electrode and the second electrode of the switch unit.
  • the feeder detection unit can switch the feeder link on or off by means of switch control, so as to change the working state of the feeder link.
  • the present application provides a base station antenna, including an antenna port, an antenna array, and a feeding network according to any one of the above-mentioned first aspect.
  • the first end of the feeding network can be connected to the antenna port, and the second end of the feeding network can be connected to the antenna array.
  • the feeder network in normal working state: in the downlink transmission, the feeder network can feed and process the transmitted signal from the antenna port and then send it to the antenna array, and the antenna array radiates the feed-processed transmission signal;
  • the antenna array In uplink transmission, the antenna array can send the received signal to the feeder network after receiving the signal, and the feeder network processes the received signal from the antenna array and sends it to the antenna port.
  • the present application provides a base station device, comprising one or more transceivers and the base station antenna as in the second aspect above, wherein the one or more transceivers can be connected to the base station antenna.
  • the transceiver may be a remote radio unit.
  • FIG. 1 exemplarily shows a schematic flowchart of a method for connecting a detection cable
  • FIG. 2 exemplarily shows a schematic flowchart of another method for connecting a detection cable
  • FIG. 3 exemplarily shows a schematic diagram of a system architecture to which an embodiment of the present application is applicable
  • FIG. 4 exemplarily shows a schematic diagram of the internal architecture of a base station antenna provided by an embodiment of the present application
  • FIG. 5A exemplarily shows a schematic structural diagram of a base station antenna provided in Embodiment 1 of the present application
  • FIG. 5B exemplarily shows a schematic structural diagram of another base station antenna provided in Embodiment 1 of the present application.
  • FIG. 6 exemplarily shows a schematic structural diagram of still another base station antenna provided in Embodiment 1 of the present application.
  • FIG. 7 exemplarily shows a schematic structural diagram of a feeder network provided in Embodiment 2 of the present application.
  • FIG. 8 exemplarily shows a schematic structural diagram of a feed detection unit provided in Embodiment 2 of the present application.
  • FIG. 9 exemplarily shows a schematic structural diagram of a first PCB and a second PCB provided in Embodiment 2 of the present application.
  • FIG. 10 exemplarily shows a schematic structural diagram of a feeder network provided in Embodiment 3 of the present application.
  • FIG. 11 exemplarily shows a system architecture diagram corresponding to a feeder network provided in Embodiment 3 of the present application.
  • FIG. 12 exemplarily shows a schematic structural diagram of a feeder network provided in Embodiment 4 of the present application.
  • FIG. 13 exemplarily shows a schematic structural diagram of a feed detection unit provided in Embodiment 4 of the present application.
  • FIG. 14 exemplarily shows a schematic structural diagram of a third PCB and conductor components provided in Embodiment 4 of the present application;
  • FIG. 15 exemplarily shows a schematic structural diagram of another feed detection unit provided in Embodiment 4 of the present application.
  • FIG. 16 exemplarily shows a schematic structural diagram of a fourth conducting strip line and a conductor component provided in Embodiment 4 of the present application;
  • FIG. 17 exemplarily shows a schematic structural diagram of another feed detection unit provided in Embodiment 4 of the present application.
  • FIG. 18 exemplarily shows a schematic structural diagram of a third PCB and a fourth PCB provided in Embodiment 4 of the present application;
  • FIG. 19 exemplarily shows a schematic structural diagram of another feed detection unit provided in Embodiment 4 of the present application.
  • FIG. 20 exemplarily shows a schematic structural diagram of another fourth conductive strip line and a conductor component provided in Embodiment 4 of the present application.
  • the base station antenna provided in the embodiments of the present application may be applicable to various communication systems, such as: a fifth generation (5th Generation, 5G) communication system or a new radio (new radio, NR) system, a 6G communication system, a long term evolution (long term evolution) LTE) system, global system of mobile communication (GSM) system, code division multiple access (CDMA) system, wideband code division multiple access (WCDMA) ) system, general packet radio service (general packet radio service, referred to as GPRS) system, LTE frequency division duplex (frequency division duplex, referred to as FDD) system, LTE time division duplexing (time division duplexing, referred to as TDD) system, general mobile communication System (universal mobile telecommunication system, UMTS for short), worldwide interoperability for microwave access (WiMAX for short) communication system, etc.
  • 5G fifth generation
  • 5G fifth generation
  • 6G 6G communication system
  • long term evolution LTE long term evolution
  • GSM global system of mobile communication
  • FIG. 3 exemplarily shows a schematic diagram of a system architecture to which the embodiments of the present application are applicable.
  • the system architecture may include radio access network devices, such as but not limited to the base station 100 shown in FIG. 3 .
  • the radio access network equipment may be located in a base station subsystem (base btation bubsystem, BBS), a terrestrial radio access network (UMTS terrestrial radio access network, UTRAN) or an evolved terrestrial radio access network (evolved universal terrestrial radio access, E- UTRAN), it is used for cell coverage of wireless signals to realize the connection between the terminal equipment and the radio frequency end of the wireless network.
  • base station subsystem base btation bubsystem, BBS
  • UMTS terrestrial radio access network UTRAN
  • E- UTRAN evolved terrestrial radio access network
  • the base station 100 may be a base station (base transceiver station, BTS) in a GSM or CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station (evolutional NodeB) in an LTE system , eNB or eNodeB), can also be a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario, or the base station 100 can also be a relay station, an access point, an in-vehicle device, a wearable device, and future
  • a base station in a 5G network or a base station in a PLMN network to be evolved in the future, for example, a new wireless base station, is not limited in the embodiments of the present application.
  • a possible structure of the base station 100 may include a base station antenna 110 , a transceiver 120 and a baseband processing unit 130 .
  • the base station antenna can choose an analog beamforming antenna to form an antenna system, or a digital beamforming antenna can be used to form an antenna system, and a new generation of beamforming antennas can also be used to form an antenna system, such as using an analog beamforming antenna.
  • a hybrid beamforming (Hybrid Beamforming, HBF) antenna system is formed with a digital beamforming antenna.
  • the transceiver 120 can be connected to the antenna port of the base station antenna 110, so that the base station antenna 110 can receive the transmission signal sent by the transceiver 120 through its antenna port and radiate it through the radiating element of the base station antenna 110, or radiate the signal of the base station antenna 110.
  • the received signal received by the radiation unit is sent to the transceiver 120 .
  • the base station antenna 110 may also be integrated with the transceiver 120 in the same device, such as an active antenna unit (AAU).
  • AAU active antenna unit
  • the transceiver 120 may be a remote radio frequency unit
  • the baseband processing unit 130 may be a baseband unit.
  • the baseband unit can be used to process the baseband signal to be sent and transmit it to the remote radio frequency unit, or to receive the received signal sent by the remote radio frequency unit (that is, the received radio frequency signal received by the base station antenna 110 during the signal reception process passes through the remote radio frequency unit.
  • the baseband signal obtained after the conversion processing of the end radio frequency unit) and processing.
  • the remote radio frequency unit can convert the baseband signal to be sent sent by the baseband unit into a transmit radio frequency signal (including performing necessary signal processing on the baseband signal to be sent, such as signal amplification, etc.), and then transmit the radio frequency signal through the base station antenna 110.
  • the antenna port is sent to the base station antenna 110, and the base station antenna 110 radiates the transmitted radio frequency signal.
  • the remote radio frequency unit may also receive the received radio frequency signal sent by the antenna port of the base station antenna 110, convert it into a received baseband signal, and send it to the baseband unit.
  • FIG. 3 only illustrates the connection relationship between one transceiver 120 and one antenna port of the base station antenna 110 .
  • the number of antenna ports in the base station antenna 110 may also be at least two, and the number of transceivers 120 may also be at least two, wherein each antenna port may be connected to one transceiver 120, multiple transceivers 120 may be connected to the same baseband processing unit 130.
  • FIG. 3 also exemplarily shows a possible deployment scenario of the base station antenna.
  • the deployment scenario may include a pole, an antenna adjustment bracket, a feeder, a joint seal, and a grounding device.
  • the end of the base station antenna 110 close to the antenna port can be fixedly connected to the pole, and the end of the base station antenna 110 away from the antenna port can be movably connected to the pole through the antenna adjustment bracket, so that the position of the base station antenna 110 can be adjusted through the antenna adjustment bracket.
  • the outgoing feeder at the antenna port of the base station antenna 110 is connected to the transceiver 120, and the feeder can also extend to the grounding pipe to connect the grounding device.
  • connection between the antenna port and the feeder, and the connection between the feeder and the grounding pipe can be sealed through the joint seal.
  • FIG. 3 only shows the deployment mode of the base station antenna including one antenna.
  • the base station antenna may also include multiple antennas installed around the pole, and the installation positions of the multiple antennas may be the same or different. , when the installation positions are different, multiple antennas can form their own different beam coverage.
  • the internal architecture of the base station antenna in the embodiments of the present application is exemplarily introduced.
  • FIG. 4 exemplarily shows a schematic diagram of the internal architecture of a base station antenna provided by an embodiment of the present application.
  • the base station antenna may include an antenna port, a feeding network, and an antenna array.
  • the feeding network and antenna array are usually placed in the radome.
  • the radome has good electromagnetic wave penetration characteristics in electrical performance and can withstand the external harsh environment in mechanical performance. These components are isolated from the external environment through the radome. Helps protect these components from harsh external environments.
  • the antenna port is usually placed on the outside of the radome to allow for docking with the transceiver.
  • the base station antenna may include at least one antenna array composed of multiple radiating elements (as in Figure 4, each "x" in the figure is a radiating element) and a metal reflector.
  • the front side of the metal reflector can reflect the antenna signal incident on the front side of the metal reflector to the receiving point of the radiation unit, so as to improve the receiving sensitivity of the antenna signal and strengthen the receiving ability of the antenna.
  • other electrical components in the base station antenna such as various components in the feeding network
  • the metal reflector can also be called a bottom plate, an antenna panel or a reflector, etc.
  • the frequencies of the radiating elements in the same antenna array may be the same or different.
  • the base station antenna can also include a transmission or calibration network (such as transmission components or calibration network) connected to the feeder network.
  • the base station antenna can control the feeder network through the transmission component to achieve different beam radiation directions, and can also obtain calibration signals through the calibration network. (such as the target phase), adjust the phase-shifted feed parameters in the feed network according to the deviation between the actual phase of the antenna array and the target phase, so as to gradually adjust the actual phase of the antenna array to the target phase to achieve accurate transceiver operations.
  • Radiating unit It is the unit that constitutes the basic structure of the antenna, which is used to radiate or receive radio waves.
  • the radiating unit in the base station antenna mainly includes two types: vibrator unit and patch unit.
  • the vibrator unit also known as the antenna vibrator or vibrator, is mainly used for dual-polarized antennas, low-frequency antennas or high-frequency antennas.
  • SMD units are mainly used for narrowband antennas, single-band antennas and indoor antennas.
  • the radiation unit in this application can be used for a single-band antenna or a multi-band antenna, and can be used for either a single-polarized antenna or a multi-polarized antenna, which is not specifically limited in this application.
  • the feeder network in this application may be composed of at least one feeder link, and each feeder link in the at least one feeder link usually consists of a controllable impedance transmission line (referred to as a feeder line for short).
  • the feeder chain may include feeder components such as a phaser (Phaser) or a power divider (PD), such as only a phaser, only a power divider, or both a phaser and power divider.
  • the phase shifter is a device that can adjust the phase of the signal, and can include two types of digital phase shifters and analog phase shifters.
  • a power divider is a device that can divide an input signal into two or more output signals according to the energy. The energy of the two or more output signals can be equal or unequal.
  • the power divider can also synthesize two or more input signals into one output signal according to the energy, and the energy of the output signal is equal to the sum of the energy of the two or more input signals.
  • a power divider used in reverse can also be called a combiner.
  • the feeder link can feed the transmitted signal to the radiating unit according to a certain phase, or send the received signal to the remote radio frequency unit according to a certain phase.
  • the feeder link can feed the transmit signal to the radiating unit with a certain amplitude, or send the received signal to the remote radio unit with a certain amplitude.
  • the feeder link can feed the transmitted signal to the radiating unit according to a certain amplitude and phase, or send the received signal to the remote end according to a certain amplitude and phase. radio unit.
  • the feeder link may also include one or more other feeder components, such as a combiner/splitter as shown in FIG. 4 . or filter.
  • the filter is a passive device with frequency selection function, which can effectively filter out the frequency point of a specific frequency or frequencies other than a certain frequency point, so that the signal with a specific frequency in the signal passes through and attenuates the signal of other frequencies.
  • a combiner/splitter is a functional combination of combiner and splitter.
  • a combiner is a device that can combine two or more radio frequency signals corresponding to two or more frequency points into one radio frequency signal.
  • a splitter is a device that can divide one radio frequency signal into two or more radio frequency signals corresponding to two or more frequency points.
  • the combiner/splitter refers to a combination of two or more radio frequency signals corresponding to two or more frequency points into one radio frequency signal, and can also divide one radio frequency signal into two or more frequency points.
  • Combiners, splitters, and combiners/splitters can also avoid mutual interference between signals at various frequencies.
  • the multiple feeder components can be integrated on the same physical unit, or on different physical units respectively, or in any combination.
  • a part is integrated on the same physical unit, and the other part is integrated on a different physical unit, which is not specifically limited.
  • the multiple feeder links may have the same feeder components and connection relationships, or may have different feeder components or different connection relationships.
  • the feeder link may correspond to the same antenna port and the same antenna array, or may correspond to different antenna ports and different antenna arrays, which is not specifically limited in this application.
  • Standing wave refers to a distribution state formed by two waves with the same frequency and opposite transmission directions along the transmission line. These two kinds of waves can be radio waves or other waves. One of these two waves is generally a reflection of the other. To facilitate the description of standing waves, the present application also introduces a standing wave ratio to characterize the transmission of waves.
  • the standing wave ratio can be represented by the ratio of the electrical parameters (such as voltage or electrical power, etc., hereinafter referred to as electrical signals) used to characterize the waves emitted by the sending end to the electrical parameters used to characterize the waves received by the receiving end.
  • the ratio of the electrical parameter used to characterize the reflected wave (such as the difference between the power of the wave sent by the transmitter and the power of the wave received by the receiver) and the wave used to characterize the wave sent by the sender.
  • the standing wave ratio is smaller, it means that there are fewer reflected waves, and more waves emitted by the sender can be sent to the receiver.
  • the standing wave ratio is larger, it means that there are more reflected waves, and only a small part of the waves emitted by the sender can be sent to the receiver.
  • each feeder link in the feeder network consists of its corresponding impedance transmission line, and each feeder link actually matches its corresponding antenna array according to a preset impedance relationship. If a feeder link is abnormal (such as a feeder link open circuit, a feeder link short circuit, or a feeder link impedance mismatch), the impedance on the feeder link will also change, affecting the The working status of the feeder link and even the entire feeder network. Considering that the standing wave ratio of the feeder link will become larger under abnormal conditions such as the feeder link open circuit, the feeder link short circuit and the impedance mismatch of the feeder link, this application can detect the feeder link's VSWR. The standing wave ratio is used to detect the working status of each feeder link, so as to maintain the normal operation of the base station antenna as much as possible.
  • each port is only illustrative, and in other optional implementation manners, each port may also have other names. As long as a port with the same or similar function as the port in this application can be implemented, even if the port name is different from the port name in this application, it still falls within the protection scope of this application, and this application will not repeat them one by one.
  • ports and ports have a corresponding relationship, which may mean that the two ports are the same port or that the two ports are connected through a line, which is not specifically limited in this application.
  • connection refers to an electrical connection, and the connection of two electrical elements may be a direct or indirect connection between the two electrical elements.
  • connection between A and B can be either a direct connection between A and B, or an indirect connection between A and B through one or more other electrical components, such as the connection between A and B, or the direct connection between A and C.
  • C and B are directly connected, and A and B are connected through C.
  • At least one item (a) of a, b, or c can represent: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c may be single or multiple .
  • ordinal numbers such as “first” and “second” mentioned in the embodiments of the present application are used to distinguish multiple objects, and are not used to limit the order, sequence, priority or importance of multiple objects degree.
  • first, second, third, and fourth conduction strips are only used to distinguish different conduction strips, but not to indicate the priority or importance of the four conduction strips. different degrees.
  • FIGS. 5A and 5B exemplarily show schematic structural diagrams of two base station antennas provided in Embodiment 1 of the present application.
  • the base station antenna may include an antenna port (TR), a feeding network, and an antenna array , the antenna port TR is connected to the first end (A 1 ) of the feeding network, and the second end (A 2 ) of the feeding network is connected to the antenna array.
  • the feed network may include a first feed point (B 1 ), a second feed point (B 2 ) and a feed detection unit, and the first feed point B 1 is connected to the first end (B 1 ) of the feed detection unit.
  • the feeder link L may also be provided with one or more feeder components, such as the phase shifters, power dividers, combiners, etc.
  • a splitter, a splitter, a combiner/splitter, or a filter which will not be described in detail in this application.
  • the feeder link L may have the following two working states:
  • the feeder link L can feed the transmitted signal from the antenna port and then send it to the antenna array, or feed the received signal from the antenna array. After processing, it is sent to the antenna port.
  • the first feeding point B 1 and the second feeding point B 2 are turned on, and the input feeding point in the first feeding point B 1 and the second feeding point B 2 (in the downlink transmission scenario)
  • the input feed point is B 1
  • the input feed point in the uplink transmission scenario is B 2
  • the output feed in the first feed point B 1 and the second feed point B 2 The output feed point in the downlink transmission scenario is B 2
  • the output feed point in the uplink transmission scenario is B 1 ).
  • There is little difference between the electrical signals sent by the first feed point B 1 and the second feed point The VSWR of the feeder between B2 is relatively small.
  • the abnormal working state of the feeder link L includes an open circuit state, a short circuit state or a mismatch state. Assuming that the abnormal working state of the feeder link L is caused by the abnormality of the feeder between the first feeder point B1 and the second feeder point B2, then: when the feeder link L is in an open state (that is, the first When the feeder between the first feeding point B1 and the second feeding point B2 is disconnected), the electrical signals received by the input feeding points in the first feeding point B1 and the second feeding point B2 cannot be transmitted to the output feed points in the first feed point B 1 and the second feed point B 2 , therefore, the output from the output feed points in the first feed point B 1 and the second feed point B 2 The electrical signal becomes less, which causes the standing wave of the feeder between the first feeding point B 1 and the second feeding point B 2 to become larger; when the feeding link L is in a short-circuit state (that is, the first feeding point B 1 and When the feeder between the second feeding point B2 is short-circuited), the impedance mis
  • the feeder link L when the working state of the feeder link L needs to be detected, the feeder link L may be controlled to be in a certain preset working state (such as a normal working state or an abnormal working state), and then A detection signal is sent from the input end of the feeder link L to the output end of the feeder link L (eg, a downlink detection signal is sent through a baseband unit, or an uplink detection signal is sent through a terminal device).
  • a certain preset working state such as a normal working state or an abnormal working state
  • the first electrical signal at the first feeding point B1 and the second electrical signal at the second feeding point B2 are collected by the power feeding detection unit, and then the first electrical signal and the second electrical signal are input
  • the ratio of the electrical signal to the output electrical signal is used as the current standing wave ratio of the feeder between the first feeding point B 1 and the second feeding point B 2 (in the downlink transmission scenario, the electrical signal at the feeding point B 1 is the input
  • the electrical signal and the electrical signal at the feed point B 2 is the output electrical signal, or in the uplink transmission scenario the electrical signal at the feed point B 2 is the input electrical signal and the electrical signal at the feed point B 1 is the output electrical signal ).
  • the current standing wave ratio of the feeder between the first feeding point B 1 and the second feeding point B 2 is not much different from the standing wave ratio corresponding to the preset working state, it means that the first feeding point B 1
  • the current working state of the feeder between the feeder and the second feeder point B2 is the same as the preset working state of the pre-control feeder link L, between the first feeder point B1 and the second feeder point B2
  • the feeder of the feeder is connected normally. If the other feeders on the feeder link L are also connected normally, the feeder link L is connected normally.
  • the first feeding point B 1 is connected to the first end C 1 of the feeding detection unit, and the second feeding point B 2 is connected to the second end C 2 of the feeding detection unit”, Can refer to any of the following:
  • the first feeding point B 1 and the second feeding point B 2 themselves are connected through a feed line, and the first feeding point B 1 is also connected to the first end C 1 of the feeding detection unit through a line, And the second feed point B 2 is also connected to the second end C 2 of the feed detection unit through a line.
  • the feeder link L is actually constituted by a whole section of feeder line located between the first end A1 of the feeder network and the second end A2 of the feeder network, and the feeder detection unit is provided with On the outside of the feeder link L, it is only used to realize the above-mentioned standing wave detection function;
  • the first feed point B 1 is the first end C 1 of the feed detection unit
  • the second feed point B 2 is the second end C 2 of the feed detection unit.
  • the feeder link L actually consists of a first segment of feeder located between the first end A1 of the feeder network and the first feeder point B1, a feeder detection unit, and a second feeder located between the first end A1 and the first feeder point B1.
  • the second segment of the feeder line between the electric point B 2 and the second end A 2 of the feed network is formed, and the feed detection unit exists as a part of the feed link L.
  • the power feeding detection unit can not only be used to realize the above-mentioned standing wave detection function, but also participate in the power feeding adjustment process to the power feeding link L synchronously.
  • the power feeding detection unit may first turn on the first feeding point B 1 and the second feeding point B 2 .
  • the feed line between the first feeding point B 1 and the second feeding point B 2 should theoretically be in a normal working state.
  • the feed detection unit determines the standing wave ratio of the feeder between the first feed point B 1 and the second feed point B 2 through the above standing wave detection process, if the standing wave is relatively large (such as greater than the preset standing wave) ratio threshold), it means that the feeder between the first feeding point B1 and the second feeding point B2 is actually in an abnormal working state, and the feeder link L is abnormally connected. If the standing wave ratio is small (for example, not greater than the preset standing wave ratio threshold), it means that the feeder between the first feeding point B 1 and the second feeding point B 2 is actually in a normal working state, and the feeder link The L connection is normal.
  • the standing wave ratio is small (for example, not greater than the preset standing wave ratio threshold)
  • the feeder detection unit may continue to conduct the first feed point B 1 and the second feed point B 2 to maintain the normal operation of the base station antenna. In this way, even when standing wave detection does not need to be performed, the feed detection unit can also be used to participate in feed adjustment, which helps maximize the use of resources in the feed network, and improves resource utilization. At the same time, try to save the deployment cost of the base station antenna.
  • the feeder detection unit can be set at any of the following positions:
  • the feeder detection unit In the first position, the first end C 1 of the feed detection unit is connected to the antenna port, and the second end C 2 of the feed detection unit is connected to the first end M 11 of the combiner/splitter or filter.
  • the feeder detection unit In this setting mode, the feeder detection unit is used to detect the feeder connection between the antenna port and the end M11 ;
  • the first end C1 of the feed detection unit is connected to the antenna port, and the second end C2 of the feed detection unit is connected to the second end M12 of the combiner/splitter or filter (or the first end of the phase shifter). terminal M 21 ).
  • the combiner/splitter or filter can be integrated inside the feed detection unit. In this way, the feed detection unit can not only be used to detect the connection of the feeder between the antenna port and M 12 (or the end M 21 ), but also to perform combining processing, branch processing or filter processing;
  • the first end C1 of the feed detection unit is connected to the antenna port, and the second end C2 of the feed detection unit is connected to the second end M22 (or antenna array) of the phase shifter.
  • the phase shifter, the combiner/splitter or the filter are all integrated inside the feed detection unit.
  • the feed detection unit can not only be used to detect the feeder connection between the antenna port and the end M 22 (or the antenna array), but also perform phase-shift processing, combining processing, Demultiplexing or filtering.
  • the first feeding point B 1 and the second feeding point B 2 may correspond to the existing two cable joints on the feeding link L,
  • the cable joint corresponding to the antenna port TR and the cable joint corresponding to the antenna array
  • the power feeding detection unit can be directly arranged between two existing cable joints, so that the power feeding link between the two cable joints does not need to be additionally split, and the power feeding between the two cable joints can be
  • the adjustment and feeder detection functions are simultaneously integrated on one feeder detection unit, which helps to use the existing cable structure as much as possible to simplify the design complexity of adding a feeder detection function inside the base station antenna.
  • the above content is introduced by taking the feeder network including a feeder link as an example.
  • the feeder detection unit performs a standing wave detection operation to detect the connection of a feeder link.
  • the feeder network may also include multiple feeder links, and the feeder detection unit may detect one or more feeders in the multiple feeder links through one standing wave detection operation connection status of the link. For example:
  • FIG. 6 exemplarily shows a schematic structural diagram of another base station antenna provided in Embodiment 1 of the present application.
  • the feeding network may include K first feeding points (such as feeding point B 11 , feeding point B 12 , ..., feeding point B 1K ), K second feeding points (such as feeding point B 21 , feeding point B 22 , ..., feeding point B 2K ) and the feed detection unit, the K first feed points B 11 to B 1K are in one-to-one correspondence with the K second feed points B 21 to B 2K , and any corresponding first feed point and second feed point It can be located in the same feeder link, for example, the corresponding feeder point B11 and feeder point B21 are located in the feeder link L1, and the corresponding feeder point B12 and feeder point B22 are located in the feeder link L2 , ..., the corresponding feeding point B 1K and feeding point B 2K are located in the feeding link L K , where K is a positive integer greater than or equal to 2.
  • the feed detection unit may include K first terminals (eg, terminal C 11 , terminal C 12 , . . . , terminal C 1K ) and K second terminals (eg, terminal C 21 , terminal C 22 , ..., terminals C 2K ), the K first terminals C 11 to C 1K of the power feeding detection unit are respectively connected to the K first feeding points B 11 to B 1K , and the K second terminals C 21 of the power feeding detection unit are respectively connected ⁇ C 2K are respectively connected to the K second feeding points B 21 ⁇ B 2K .
  • K first terminals eg, terminal C 11 , terminal C 12 , . . . , terminal C 1K
  • K second terminals eg, terminal C 21 , terminal C 22 , ..., terminals C 2K
  • the feeder detection unit can control the R feeder links by controlling The first feeder point and the second feeder point of each feeder link in the feeder link are turned on, off, or impedance mismatch, etc., so that the R feeder links are in a preset working state, and then The current standing wave ratio of each of the R feeder links is determined according to the above standing wave detection method.
  • the feeder detection unit may perform a standing wave alarm for the one or more feeder links (for example, send an alarm message to the remote radio frequency unit) to indicate the one or more feeder links. or multiple feeder links are connected incorrectly.
  • the standing wave ratio corresponding to the preset working state may be a fixed value set by those skilled in the art based on experience, or may be obtained by comparison with the standing wave ratio corresponding to another working state.
  • the feeder detection unit can control a feeder link to be in a normal working state and an abnormal working state successively, and obtain respectively
  • the VSWR of the feeder link under normal working state and the VSWR of the feeder link under abnormal working state should be quite different in theory.
  • the difference between the standing wave ratios in these two states is not large (for example, it is not greater than the preset difference threshold), it means that the current connection of the feeder link is in error. If the difference is large (for example, greater than the preset difference threshold), it means that the current connection of the feeder link is normal.
  • this method also takes into account the problem that different process deviations correspond to different standing wave scenarios. Even if a process deviation causes a larger reflected wave in the circuit environment and another process deviation results in a smaller reflected wave in the circuit environment, this comparison The difference of standing wave ratio determined by the method can also accurately reflect the same or different working states, which helps the feed detection unit to accurately detect the connection condition under various process deviations, and effectively improves the feed detection unit to resist different process deviations. ability to influence.
  • the production personnel can use the feed detection unit to detect the connection of each feeder link inside the feeder network of the base station antenna. If it is determined that each feeder link is properly connected, the base station The internal cable connection of the antenna is correct, and the production personnel can leave the base station antenna. If it is determined that one or more feeder links are abnormally connected, the production personnel can repair the one or more feeder links first, and then use the feeder detection unit to detect the connection of each feeder link after the overhaul is completed. The antenna of the base station is shipped from the factory until it is determined that all feeder links are connected correctly. By performing the initial inspection before leaving the factory, the base station antenna can be connected to the correct internal cable as far as possible.
  • the feed detection can be reused. unit for secondary inspection. If there is no connection problem detected in the second test, it means that there is no problem with the internal and external cable connections of the base station antenna, and the base station equipment can be sold or installed in the future. If the second test still detects a connection problem, since the internal cable connection of the base station antenna has been determined to be correct, the connection problem is obviously caused by a problem with the external cable connection of the base station antenna.
  • external equipment such as a remote radio frequency unit or baseband unit
  • feeder link 1 will be in a normal working state and feeder link 2 will be in an abnormal working state, that is, the feeder detection unit should theoretically detect that the standing wave of feeder link 1 is small and the feeder link
  • the feeder detection unit should theoretically detect that the standing wave of feeder link 1 is small and the feeder link
  • it can be determined that there is a problem with the connection between external cable 1 and external cable 2 such as The external device 1 is connected to the feeder link 2 through the external cable 1 , and the external device 2 is connected to the feeder link 1 through the external cable 2 .
  • the manufacturer or user can reconnect the base station antenna and external equipment, and reuse the feed detection unit for detection, and then sell or install the base station equipment until it is found that there is no connection problem.
  • the manufacturer or user can reconnect the base station antenna and external equipment, and reuse the feed detection unit for detection, and then sell or install the base station equipment until it is found that there is no connection problem.
  • By performing secondary inspection before selling or installing base station equipment it is possible to sell or install base station equipment with correct internal and external cable connections.
  • the feeding network in the first embodiment can not only accurately locate the internal cable connection problem of the base station antenna, but also accurately locate the external cable connection problem of the base station antenna. This method is helpful for launching or installing the base station. Before the equipment, calibrate each cable connection in the base station equipment in advance to increase the possibility of launching or installing base station antennas with correct cable connections, and reduce the probability of the base station equipment being returned to the factory for repair or reinstallation of the base station equipment.
  • the structure of the feed detection unit is further described below from the second embodiment to the fourth embodiment. It should be pointed out that the present application does not limit the feed detection unit to only have the following structures. As long as the feed detection unit can realize the two functions of controlling the working state of the feeder link and detecting the standing wave, all of them are included in this application. within the protection scope of the application.
  • FIG. 7 exemplarily shows a schematic structural diagram of a feed network provided in Embodiment 2 of the present application.
  • the feed detection unit may include a first controller, a first transmission component, a first A conduction strip line, a second conduction strip line and a third conduction strip line, the first conduction strip line is connected to the first feeding point B 1 , the second conduction strip line is connected to the second feeding point B 2 , and the first conduction strip line Not in contact with the second conductive strip line.
  • the third belt wire may be fixedly connected to the first transmission component, and the transmission direction of the first transmission component may be shown as "V1" or "V2" in FIG. 7 (just an example).
  • the first controller may be respectively connected to the control end of the first transmission component, the data acquisition end of the first feeding point B1 and the data acquisition end of the second feeding point B2.
  • the first controller may firstly control the first transmission component to drive the third belt guide to move to the first position (the dotted line position in FIG. 7 ) along the “V1” direction shown in FIG. 7 .
  • the third tape line is located at the first position, one end of the third tape line is in contact with the first tape line, and the other end of the third tape line is in contact with the second tape line.
  • the first feeding point B 1 and the second feeding point B 2 can be conducted through the connected first conducting strip line, the third conducting strip line and the second conducting strip line, and the first feeding point B 1 and the first conducting strip line
  • the feeder between the two feeding points B2 is in normal working condition.
  • the first controller obtains the first electrical signal at the first feeding point B1 from the data collecting end of the first feeding point B1, and obtains the first electrical signal from the data collecting end of the second feeding point B2
  • the first standing wave of the feeder line between the first feeding point B1 and the second feeding point B2 is calculated according to the first electrical signal and the second electrical signal Compare.
  • the feeder between the first feeding point B 1 and the second feeding point B 2 should have a small standing wave ratio under normal working conditions.
  • the feeder detection unit may perform a standing wave on the feeder line between the first feeder point B1 and the second feeder point B2 alert;
  • the first standing wave of the feed line between the first feeding point B 1 and the second feeding point B 2 is relatively small, it may be the first feeding point B 1 and the second feeding point B 2 It may be caused by the normal connection of the feeder between the two feeders, or it may be caused by the connection between the first feeding point B 1 and the second feeding point B 2 respectively connecting the second feeding point and the first feeding point on other feeder links. of.
  • the first controller can also control the first transmission component to drive the third belt line to move to the second position along the “V2” direction shown in FIG. line position).
  • the third conductive strip line When the third conductive strip line is in the second position, the third conductive strip line is not in contact with the first conductive strip line and/or is not in contact with the second conductive strip line, the first feeding point B 1 and the second feeding point B2 is disconnected, causing the feeder between the first feeding point B1 and the second feeding point B2 to switch to an open circuit state.
  • the first controller obtains the third electrical signal at the first feeding point B1 from the data collecting end of the first feeding point B1, and obtains the third electrical signal from the data collecting end of the second feeding point B2
  • the fourth electrical signal at the second feeding point B2 the second standing wave of the feeder line between the first feeding point B1 and the second feeding point B2 is calculated according to the third electrical signal and the fourth electrical signal Compare.
  • the difference between the second standing wave ratio and the first standing wave ratio is greater than the preset difference threshold, it means that the feeder between the first feeding point B 1 and the second feeding point B 2 will be detected along with the feeding
  • the switching operation of the unit corresponds to the change of the working state, and the feeder connection between the first feeding point B 1 and the second feeding point B 2 is normal. If the difference between the second standing wave ratio and the first standing wave ratio is not greater than the preset difference threshold, it means that the feeder between the first feeding point B 1 and the second feeding point B 2 does not follow the feeding
  • the working state changes due to the switching operation of the electrical detection unit, the first feeding point B 1 and the second feeding point B 2 may be respectively connected to the second feeding point and the first feeding point of other feeding links.
  • the feeder connection between the first feed point B 1 and the second feed point B 2 is abnormal, so the feed detection unit can The feeder gives a standing wave alarm.
  • the feeder detection unit as shown in Figure 7 can change the working state of the feeder link by controlling the passage and disconnection of the feeder link, and complete the standing wave by combining the standing wave ratio of the feeder link under different working states. Detection, not only can detect the abnormal connection of the feeder link itself, but also detect the line sequence connection error between the feeder link and other feeder links, which helps to improve the accuracy of standing wave detection .
  • FIG. 8 exemplarily shows a schematic structural diagram of a feed detection unit provided in Embodiment 2 of the present application, wherein (a) in FIG. 8 shows a top view of the feed detection unit, (b) in FIG. 8 illustrates a side view of the feed detection unit.
  • the power feeding detection unit may further include a first cavity, each first feeding point (eg B 11 -B 15 ) and each second feeding point (eg B 21 -B ) 25 ) It is arranged on the outside of the first cavity. For example, it can be symmetrically distributed on the outside of the two opposite sides of the first cavity in the manner shown in FIG.
  • the outer sides of the two sides of the first cavity can also be arranged side by side on the outside of the same side of the first cavity, and of course they can also be distributed on the outside of one or more sides of the first cavity in other ways, which are not specifically limited.
  • the first conduction band line, the second conduction band line and the third conduction band line can be arranged inside the first cavity, for example, the first conduction band line, the second conduction band line and the third conduction band line all have Rigid, the first conducting strip is connected to the first feeding point to achieve positional fixation, the second conducting strip is connected to the second feeding point to achieve positional fixing, and the third conducting strip is flexibly connected to the first cavity
  • the side of the body opposite to the first or second conductive strip lines is close to or far from the first and second conductive strip lines.
  • the feed detection unit may further include a first PCB and a second PCB disposed opposite to each other, a first slideway, a first conducting strip line and a second conducting strip line.
  • the strip line may be provided on the opposite side of the first PCB to the second PCB (the T1 side as shown in (b) in FIG. 8 ), and the third conductive strip line may be provided on the second PCB on the opposite side of the second PCB.
  • An opposite side of the PCB (side T2 as shown in (b) of Figure 8 ).
  • at least one inner side wall of the first cavity may also be provided with a chute, and the first PCB is clamped in the chute to achieve positional fixation.
  • the first slideway can be arranged on the surface of the first PCB opposite to the second PCB, and also on the surface of the first cavity opposite to the first PCB, and the second PCB can slide along the first slideway.
  • the sliding direction of the first slideway needs to have an included angle with the connecting line of the first and second guide strip lines, which can be perpendicular to the first and second guide strip lines as shown in (a) in FIG. 8 .
  • the direction of the connection between the conducting strip lines may also be other directions that have an included angle with the connecting line of the first conducting strip line and the second conducting strip line, which is not specifically limited.
  • the first controller can be controlled to drive the second PCB to slide along the first slide to the direction close to the connecting line between the first feeding point B 11 and the second feeding point B 21 , until the third conductive belt on the second PCB
  • the sliding of the second PCB is stopped. In this way, the first feeding point B 11 and the second feeding point B 21 can be conducted through the connected first, third and second conducting strip lines.
  • the first controller can control the first transmission component to drive the second PCB to move away from the first slideway
  • the direction of the connecting line between the first feeding point B 11 and the second feeding point B 21 slides until the two ends of the third conducting strip line on the second PCB are not in contact with the first and second conducting strip lines , stop the sliding of the second PCB.
  • the first conduction strip line, the third conduction strip line and the second conduction strip line do not form a connected link, the first feeding point B 11 and the second feeding point B 21 are disconnected.
  • FIG. 8 is only described by taking as an example that the first conducting strip line and the second conducting strip line are arranged on the side of the T1 surface of the first PCB.
  • the first and second conductive strip lines may also be arranged on the side of the T3 surface of the first PCB, or on the side of the T1 surface and the T3 surface of the first PCB at the same time. face side.
  • the second PCB may include a first PCB which is arranged on the T1 side of the first PCB A part and a second part disposed on the side of the T3 surface of the first PCB, each of the first part and the second part may be provided with a third strip conductor on a surface opposite to the first PCB.
  • the structure of the feeder detection unit when the feeder network includes K feeder links is further introduced.
  • K is 5
  • the 5 first feed points (B 11 ⁇ B 15 ) and the 5 second feed points (B 21 ⁇ B 25 ) corresponding to the 5 feeder links are shown in the figure
  • the manner shown in (a) of 8 is symmetrically arranged on the outside of the two opposite sides of the first cavity.
  • FIG. 9 exemplarily shows a schematic structural diagram of a first PCB and a second PCB provided in Embodiment 2 of the present application, wherein (a) in FIG. 9 shows a top view of the first PCB, and (b) in FIG. 9 A top view of the second PCB is illustrated. As shown in (a) of FIG. 9
  • the first PCB may include a first slideway, and five first conductive strip lines (1.1, 2.1, 3.1, 4.1 and 5.1) and 5 second conductive strip lines (1.2, 2.2, 3.2, 4.2 and 5.2), the 5 first conductive strip lines 1.1 to 5.1 and the 5 second conductive strip lines 1.2 to 5.2 are symmetrically deployed in the On the inner sides of the two opposite sides of the first cavity, the first conducting strip line corresponding to each feeding link can be connected to the first feeding point in the corresponding feeding link (for example, the first conducting strip line 1.1
  • the first feeding point B 11 shown in (a) in FIG. 8 is connected, and the first conducting strip line 2.1 is connected with the first feeding point B 12 shown in (a) in FIG.
  • the strip line 5.1 is connected to the first feeding point B 15 ) shown in (a) of FIG. 8
  • the second conductive strip line corresponding to each feeder link can be connected to the second feeder link in the corresponding feeder link.
  • the feeding point (for example, the second conductive strip line 1.2 is connected to the second feeding point B 21 shown in (a) in FIG. 8
  • the second conductive strip line 2.2 is connected to the second feeding point shown in (a) in FIG. 8 .
  • the electrical points B 22 , . . . , the second conductive strip line 5.2 are connected to the second feeding point B 25 ) illustrated in (a) of FIG. 8 .
  • the second PCB may include at least one third conductive strip line, such as a third conductive strip line 1 , a third conductive strip line 2 , and a third conductive strip line 3.
  • the third tape guide 4 , the third tape line 5 , the third tape line 6 , the third tape line 7 , the third tape line 8 and the third tape line 9 are also included in (b) of FIG. 9 .
  • the first controller may firstly control the first transmission component to drive the second PCB to slide along the first slideway to the left as shown in (a) in FIG. 8 , until the five third tape conductors 1 in the second PCB ⁇ 5 are respectively overlapped with the 5 first conductive strip lines 1.1 to 5.1 and the 5 second conductive strip lines 1.2 to 5.2 on the first PCB, that is, the two ends of the third conductive strip line 1 respectively contact the first conductive strip line 1.1 and the second conducting strip line 1.2, the two ends of the third conducting strip line 2 respectively contact the first conducting strip line 2.1 and the second conducting strip line 2.2, ..., the two ends of the third conducting strip line 5 respectively contact the first conducting strip line 5 Strip line 5.1 and second conductive strip line 5.2.
  • the third conducting strip line 1 conducts the first feeding point B 11 and the second feeding point B 21
  • the third conducting strip line 2 conducts the first feeding point B 12 and the second feeding point
  • the third conducting strip line 3 conducts the first feeding point B 13 and the second feeding point B 23
  • the third conducting strip line 4 conducts the first feeding point B 14 and the second feeding point B 24
  • the third conducting strip line 5 conducts the first feeding point B 15 and the second feeding point B 25
  • the third conducting strip lines 6 to 9 are idle.
  • the first controller determines the first standing wave ratio of the feeder between the first feeding point B 11 and the second feeding point B 21 , the first feeding point B 12 and the second feeding point B 12 respectively according to the above standing wave detection method.
  • the first controller can then control the first transmission component to drive the second PCB to slide along the first slideway to the right as shown in (a) in FIG. 8 , until the four third guide belts in the second PCB Lines 1 to 4 are respectively overlapped with the four first conductive strip lines 2.1 to 5.1 and the four second conductive strip lines 2.2 to 5.2 on the first PCB, that is, both ends of the third conductive strip line 1 respectively contact the first conductive strip.
  • both ends of the third tape line 2 contact the first tape line 3.1 and the second tape line 3.2 respectively, and both ends of the third tape line 3 contact the first tape line respectively
  • the two ends of the wire 4.1 and the second conductive strip 4.2, and the third conductive strip 4 respectively contact the first conductive strip 5.1 and the second conductive strip 5.2.
  • the third conducting strip line 1 conducts the first feeding point B 12 and the second feeding point B 22
  • the third conducting strip line 2 conducts the first feeding point B 13 and the second feeding point B 22 .
  • the third conducting strip line 3 conducts the first feeding point B 14 and the second feeding point B 24
  • the third conducting strip line 4 conducts the first feeding point B 15 and the second feeding point B 25.
  • the third conductive strip lines 5 to 9 are idle, and the connection relationship is shown in (a) of FIG. 8 .
  • the first controller respectively determines the second standing wave ratio of the feeder between the first feeding point B 11 and the second feeding point B 21 , the first feeding point B 12 and the second feeding point B 21 according to the above standing wave detection method.
  • the second standing wave ratio of the feeder between the electrical points B 22 , . . . the second standing wave ratio of the feeder between the first feed point B 15 and the second feed point B 25 .
  • the first feeding points B 12 ⁇ B 15 and the second feeding points B 22 ⁇ B 25 are still connected respectively, while the first feeding point B 11 and the second feeding point B 21 are switched by conduction. until disconnection, so the first standing wave of the feeder between the first feeding point B 12 ⁇ B 15 and the corresponding first feeding point and the second feeding point B 22 ⁇ B 25
  • the ratio and the second standing wave ratio should not be much different, while the first standing wave ratio and the second standing wave ratio of the feeder between the first feeding point B 11 and the second feeding point B 21 should be quite different.
  • the first controller can then control the first transmission component to drive the second PCB to continue to slide to the right side as shown in (a) in FIG. 8 along the first slideway, until the four third conductors in the second PCB
  • the strip lines 9 and 1 to 3 are respectively overlapped with the four first conduction strip lines 1.1 and 3.1 to 5.1 and the four second conduction strip lines 1.2 and 3.2 to 5.2 on the first PCB.
  • the ends respectively contact the first and second conducting strip lines 1.1 and 1.2
  • the ends of the third conducting strip line 1 respectively contact the first and second conducting strip lines 3.1 and 3.2
  • the two ends of the third conducting strip line 2 respectively.
  • the ends respectively contact the first and second conducting strip lines 4.1 and 4.2, and the two ends of the third conducting strip line 3 respectively contact the first and second conducting strip lines 5.1 and 5.2.
  • the third conducting strip line 9 conducts the first feeding point B 11 and the second feeding point B 21
  • the third conducting strip line 1 conducts the first feeding point B 13 and the second feeding point B 13 respectively.
  • the third conducting strip line 2 conducts the first feeding point B 14 and the second feeding point B 24 respectively
  • the third conducting strip line 5 conducts the first feeding point B 15 and the second feeding point B 15 respectively
  • the third tape lines 4 , 5 , 6 , 7 and 8 are idle.
  • the first controller determines the third standing wave ratio of the feeder between the first feeding point B 11 and the second feeding point B 21 , the first feeding point B 12 and the second feeding point B 12 respectively according to the above standing wave detection method.
  • the first feeding points B 11 , B 13 ⁇ B 15 and the second feeding points B 21 , B 22 ⁇ B 25 are still connected respectively, and the first feeding point B 12 and the second feeding point B 22 are switched from on to off .
  • the first and third standing wave ratios of the feeder line between the corresponding first and second feeding points should not be much different, while the first and second feeding points B 12 and B 22
  • the first VSWR and the third VSWR of the feeder should be quite different. Therefore, if there is a certain corresponding gap between the first feeding point B 11 , B 13 ⁇ B 15 and the second feeding point B 21 , B 22 ⁇ B 25 , between the first feeding point and the second feeding point
  • the first VSWR and the third VSWR of the feeder are quite different, or if the feeder between the first feeding point B 12 and the second feeding point B 22 has the first VSWR and the third VSWR If the difference is not significant, it means that the feeder links corresponding to the first feed point and the second feed point are abnormal, and the first controller may issue a standing wave alarm for these abnormal feeder links.
  • the first controller can control the first transmission component to drive the second PCB to move to the right along the first slide, and each movement can control one of the feeder links to be disconnected and the other feeder links to conduct. on until all feeder links have been disconnected at least once.
  • the first controller can determine the line sequence of each feeder link according to the variation of the standing wave ratio of each feeder link. For example, when a feeder link is controlled to switch from the on state to the off state, the VSWR of this feeder link does not change, while the VSWR of the other feeder link changes from small to large and If the change is obvious, it can be determined that the connection relationship between the other feeder link and the feeder link is misplaced.
  • the scheme can not only detect the abnormal connection problem of the feeder link itself, but also determine the dislocation connection problem between the feeder links through the line sequence detection of each feeder link.
  • the second PCB shown in (b) of FIG. 9 is only an exemplary introduction for the convenience of introducing the solution, and the number and position of the third conductive strip lines set in the second PCB can Adjust according to actual needs.
  • only the third conductor as shown in (b) in FIG. 9 may be set in the second PCB.
  • the strip lines 6 to 8 and the third conduction strip lines 1 to 5, or only the third conduction strip lines 6, 8, 9 and the third conduction strip lines 1 to 5 as shown in (b) of FIG. 9 may be provided , or only the third conductive strip lines 6 and 7 and the third conductive strip lines 1 to 5 as shown in (b) of FIG. 9 may be provided, which will not be described in detail in this application.
  • FIG. 10 exemplarily shows a schematic structural diagram of a feeder network provided in Embodiment 3 of the present application
  • FIG. 11 exemplarily shows a system architecture diagram corresponding to the feeder network.
  • the feeding detection unit may include a third controller and a switching unit (K)
  • the first electrode (d 1 ) of the switching unit K is connected to the first feeding point B 1
  • the second electrode (d 2 ) of the switching unit is connected to the first feeding point B 1 .
  • the control electrode (d 0 ) of the switch unit K is connected to the third controller.
  • the third controller may first send a first control signal to the control electrode d 0 of the switch unit K to control the switch
  • the unit K conducts its first electrode d 1 and second electrode d 2 , and detects the first standing wave ratio of the feed line between the first feeding point B 1 and the second feeding point B 2 in this scenario .
  • the third controller can send a second control signal to the control electrode d 0 of the switch unit K to control the switch unit K to disconnect the first electrode d 1 and the second electrode d 2 thereof, and detect the first feeding point The second standing wave ratio of the feeder between B 1 and the second feed point B 2 in this scenario.
  • the feeder between the first feeder point B1 and the second feeder point B2 is in the conducting state in the above-mentioned first scenario, and in the In the above-mentioned second scenario, it is disconnected, and the first VSWR and the second VSWR should be quite different in these two scenarios. Therefore, if the difference between the first standing wave ratio and the second standing wave ratio is not greater than the preset difference threshold, it means that the feeder connection between the first feeding point B 1 and the second feeding point B 2 is abnormal,
  • the third controller may perform a standing wave alarm for the feeder between the first feeding point B 1 and the second feeding point B 2 .
  • the switch unit K may refer to any unit that can realize the function of link on and off, such as a triode, a transistor, or a voltage diode.
  • the first control signal may refer to a forward voltage signal
  • the second control signal may refer to a reverse cutoff voltage signal.
  • the feeder detection unit can also change the working state of the feeder link by controlling the passage and disconnection of the feeder link, and can combine the standing wave ratio of the feeder link under different working states to determine Complete standing wave detection.
  • the above content is only introduced by taking the feeder network including a feeder link as an example.
  • the third controller may be respectively connected to the control terminals of the multiple switch units corresponding to the multiple feeder links. In this way, the third controller controls the multiple feeder links by controlling the The on and off of one or more switch units corresponding to one or more feeder links in the link can realize the detection of the connection condition of one or more feeder links.
  • the above-mentioned second embodiment for a specific implementation manner of how to detect one or more feeder links, please refer to the above-mentioned second embodiment, and details will not be repeated this time.
  • FIG. 12 exemplarily shows a schematic structural diagram of a feeder network provided in Embodiment 4 of the present application.
  • the feeder detection unit may include a second controller, a second transmission component, a first There are four conducting strip lines and conductor parts, the fourth conducting strip line is connected to the first feeding point B 1 and the second feeding point B 2 , and the conductor parts are coupled to the ground circuit.
  • the conductor part may be fixedly connected to the second transmission part, and the transmission direction of the second transmission part may be shown as "V3" or "V4" in FIG. 12 (just an example).
  • the second controller may be respectively connected to the control end of the second transmission component, the data acquisition end of the first feeding point B1 and the data acquisition end of the second feeding point B2.
  • the second controller may firstly control the second transmission part to drive the conductor part to move to the third position (the solid line position in FIG. 12 ) along the “V4” direction shown in FIG. 12 .
  • the conductor part When the conductor part is in the third position, the conductor part does not contact the fourth conductor strip line, the impedance on the feeder line between the first feeding point B1 and the second feeding point B2 does not change, so the first feeding The feeder between point B 1 and the second feed point B 2 is in normal operation.
  • the second controller obtains the first electrical signal at the first feeding point B1 from the data collecting end of the first feeding point B1, and obtains the first electrical signal from the data collecting end of the second feeding point B2
  • the first standing wave of the feeder line between the first feeding point B1 and the second feeding point B2 is calculated according to the first electrical signal and the second electrical signal Compare.
  • the feeder between the first feeding point B 1 and the second feeding point B 2 should have a small standing wave ratio under normal working conditions.
  • the feeder detection unit may perform a standing wave on the feeder line between the first feeder point B1 and the second feeder point B2 alert;
  • the first standing wave of the feed line between the first feeding point B 1 and the second feeding point B 2 is relatively small, it may be the first feeding point B 1 and the second feeding point B 2 It may be caused by the normal connection of the feeder between the two feeders, or it may be caused by the connection between the first feeding point B 1 and the second feeding point B 2 respectively connecting the second feeding point and the first feeding point on other feeder links. of.
  • the second controller can further control the second transmission part to drive the conductor part to move to the fourth position (the dotted line position in FIG. 12 ) along the “V3” direction shown in FIG. 12 .
  • the conductor part When the conductor part is in the fourth position, the conductor part contacts the fourth conductor strip line, the impedance on the feeder line between the first feeding point B 1 and the second feeding point B 2 changes, and the first feeding point B 1 Most of the signal on the feeder between B1 and the second feedpoint B2 will be driven to the ground circuit through the conductor parts, causing the feeder between the first feedpoint B1 and the second feedpoint B2 to switch to impedance loss. match status.
  • the second controller obtains the third electrical signal at the first feed point B 1 from the data collection end of the first feed point B 1 , and obtains the third electrical signal from the data collection end of the second feed point B 2
  • the second standing wave of the feeder line between the first feeding point B1 and the second feeding point B2 is calculated according to the third electrical signal and the fourth electrical signal Compare. If the difference between the second standing wave ratio and the first standing wave ratio is greater than the preset difference threshold, it means that the feeder between the first feeding point B 1 and the second feeding point B 2 will be detected along with the feeding
  • the switching operation of the unit corresponds to the change of the working state, and the feeder connection between the first feeding point B 1 and the second feeding point B 2 is normal.
  • the difference between the second standing wave ratio and the first standing wave ratio is not greater than the preset difference threshold, it means that the feeder between the first feeding point B 1 and the second feeding point B 2 does not follow the feeding
  • the first feeding point B 1 and the second feeding point B 2 may be respectively connected to the second feeding point and the first feeding point of other feeding links.
  • the feeder connection between the first feed point B 1 and the second feed point B 2 is abnormal, so the feed detection unit can The feeder gives a standing wave alarm.
  • the feeder detection unit shown in Figure 12 can change the working state of the feeder link by controlling the impedance change of the feeder link, and complete the standing wave detection by combining the standing wave ratio of the feeder link under different working states , which can not only detect the abnormal connection of the feeder link itself, but also detect the line sequence connection error between the feeder link and other feeder links, which helps to improve the accuracy of standing wave detection.
  • FIG. 13 exemplarily shows a schematic structural diagram of a feed detection unit provided in Embodiment 4 of the present application, wherein (a) in FIG. 13 shows a top view of the feed detection unit, (b) in FIG. 13 illustrates a side view of the feed detection unit.
  • the power feeding detection unit may further include a second cavity, each first feeding point (eg B 11 ⁇ B 15 ) and each second feeding point (eg B 21 ⁇ B ) 25 ) It is arranged on the outside of the second cavity. For example, it can be symmetrically distributed on the outside of the two opposite sides of the second cavity in the manner shown in (a) in FIG.
  • the fourth conducting strip line and the conductor component may be arranged inside the second cavity.
  • the fourth conductive strip line may have rigidity, and the fourth conductive strip line can be fixed in position by connecting the corresponding first feeding point and the second feeding point.
  • the conductor component can be fixed in position by movably connecting the second cavity, fixedly connecting the transmission component or magnetic levitation.
  • the second cavity may be made of conductive material, the second cavity is provided with a coupling point as shown in (b) in FIG. 13 , and the conductor part is connected to the coupling point by electrical connection or coupling to connect the ground circuit. .
  • the second cavity by utilizing the original components in the feeding network (ie, the second cavity) to realize the grounding of the conductor components, it is not only possible to avoid the need for additional grounding components, thereby helping to save the cost of the feeding network, and to utilize the second cavity.
  • the large area of the body quickly changes the impedance distribution on the feeder link when the conductor part contacts the fourth conducting strip line, so that the feeder link is switched from the normal working state to the impedance mismatch state more quickly.
  • the feed detection unit may further include a third PCB disposed opposite to the conductor part, and a fourth conductive strip line may be disposed on the surface opposite to the conductor part on the third PCB (as shown in FIG. 13 ( b) The indicated T4 side).
  • a third PCB disposed opposite to the conductor part
  • a fourth conductive strip line may be disposed on the surface opposite to the conductor part on the third PCB (as shown in FIG. 13 ( b) The indicated T4 side).
  • at least one inner side wall of the second cavity may also be provided with a chute, and the third PCB is clamped in the chute to achieve positional fixation.
  • the conductor component can slide in a direction close to or away from the fourth belt line under the drive of the transmission component.
  • the transmission The component includes a telescopic rod, and there is an included angle between the telescopic direction of the telescopic rod and the fourth belt guide line, such as the direction perpendicular to the fourth belt guide line, and the conductor component is fixedly connected to the telescopic rod of the transmission component.
  • the telescopic operation of the telescopic rod on the upper part can drive the conductor part to slide toward the direction of approaching the fourth tape guide line or away from the fourth tape line.
  • the feed detection unit may further include a second slideway (not shown in FIG.
  • the second slideway may be provided on the surface of the third PCB opposite to the conductor component, and also provided on the second slideway.
  • On the surface of the cavity relative to the third PCB there is an angle between the sliding direction of the second slideway and the fourth guide strip line, and the conductor component slides along the second slide way to approach the fourth guide strip line or away from the fourth guide strip line. Swipe in the direction of the line.
  • the second controller when it is necessary to control the feeder between the first feeding point (eg B 11 ) and the second feeding point (B 21 ) on a certain feeder link to be in a normal working state, the second controller The second transmission part can be controlled to drive the conductor part to slide along the second slideway to the direction away from the fourth conductor tape line connecting the first feeding point B11 and the second feeding point B21 , until the conductor part does not touch the first feeding point B11 and B21 at all. In the case of a four-conductor tape line, stop the sliding of the conductor parts. In this way, the first feeding point B 11 and the second feeding point B 21 can be conducted through the preset impedance on the fourth conducting strip line.
  • the second controller can control the second transmission part to drive the conductor part to approach the connection along the second slideway
  • the direction of the fourth conducting strip line of the first feeding point B 11 and the second feeding point B 21 is moved until the conductor member overlaps with the fourth conducting strip line, and the sliding of the conductor member is stopped.
  • the impedance on the feeder line between the first feed point B 11 and the second feed point B 21 is changed by the conductor part and the connected second cavity, resulting in the first feed point B 11 and the second feed point
  • the feeder between points B 21 is in an impedance mismatched state.
  • FIG. 13 is only described by taking as an example that the fourth conductive strip line is arranged on the side of the T4 surface of the third PCB.
  • the fourth strip conductor can also be arranged on the T5 side of the third PCB, or on both the T4 side and the T5 side of the third PCB.
  • the conductor part may include a first portion provided on the T4 side of the third PCB and a first portion provided on the third PCB The second part of the T 5 side.
  • the structure of the feeder detection unit when the feeder network includes K feeder links is further introduced.
  • K is 5
  • the 5 first feed points (B 11 ⁇ B 15 ) and the 5 second feed points (B 21 ⁇ B 25 ) corresponding to the 5 feeder links are shown in the figure
  • the manner shown in (a) of 13 is symmetrically arranged on the outside of the two opposite sides of the second cavity.
  • FIG. 14 exemplarily shows a schematic structural diagram of a third PCB and conductor components provided in Embodiment 4 of the present application, wherein (a) in FIG. 14 shows a top view of the third PCB, and (b) in FIG. 14 shows The top view of the conductor member is shown, and (c) of FIG. 14 shows a side view of the conductor member. As shown in (a) of FIG.
  • the third PCB may include 5 fourth conductive strip lines (1, 2, 3, 4 and 5) corresponding to the 5 feeder links respectively , the fourth conducting strip line corresponding to each feeding link can be connected to the first feeding point and the second feeding point in the corresponding feeding link, for example, the two ends of the fourth conducting strip line 1 are connected respectively In the first feeding point B 11 and the second feeding point B 21 shown in (a) of FIG. 13 , both ends of the fourth conducting strip line 2 are respectively connected to the first feeding point B 11 shown in (a) in FIG. 13 .
  • the electrical point B 12 and the second feeding point B 22 , . . .
  • the two ends of the fourth conductive strip line 5 are respectively connected to the first feeding point B 15 and the second feeding point shown in (a) of FIG. 13 . B 25 .
  • the second slides may be arranged in a direction perpendicular to each of the fourth conductor belt lines.
  • the conductor parts may be connected by the first conductor plate (R 1 ), the second conductor plate (R 2 ), the first conductor The conductor plate R1 is parallel to the conductor plate R2, and the two ends of the conductor connection member F1 are respectively fixedly connected to one end of the conductor plate R1 and the conductor plate R2 .
  • One end of the conductor connector F2 is fixedly connected to the other end of the conductor plate R1 and the other end of the conductor plate R2 respectively. Disposing the conductor parts in this hollow manner can not only realize the coupling between the conductor parts and the second cavity, but also reduce the materials required for disposing the conductor parts as much as possible, and save the cost and weight of the feed detection unit.
  • the second controller may firstly control the second transmission part to drive the conductor part to slide to the left side as shown in (a) in FIG. 13 along the second slideway, until the conductor plate R2 on the conductor part and the conductor plate R2 on the third PCB None of the five fourth conducting strip lines 1 to 5 are in contact.
  • the fourth conductive strip lines 1 to 5 respectively conduct the five first feeding points B 11 ⁇ B 15 and the five second feeding points B 21 ⁇ B 25 .
  • the second controller determines the first standing wave ratio of the feeder between the first feeding point B11 and the second feeding point B21 , the first feeding point B12 and the second feeding The first standing wave ratio of the feeder between the electrical points B 22 , . . . , the first standing wave ratio of the feeder between the first feed point B 15 and the second feed point B 25 .
  • the second controller can control the second transmission part to drive the second PCB to slide to the right side as shown in (a) of FIG. 13 along the first slideway, until the conductor plate R2 on the conductor part and the third
  • the fourth conductive strip line 1 on the PCB is in contact with and not in contact with the fourth conductive strip lines 2 to 5 on the third PCB, as shown in (a) of FIG. 13 .
  • the feed lines between the first feeding points B 12 ⁇ B 15 and the second feeding points B 22 ⁇ B 25 are still connected respectively, and the first feeding point B 11 and the second feeding point Part of the signal on the feeder between B21 will be transmitted to the second cavity through conductor plate R2, conductor connector F1, conductor connector F2, conductor plate R1 and the coupling point on the second cavity ground circuit), resulting in an impedance mismatch on the feeder line between the first feed point B 11 and the second feed point B 21 .
  • the second controller determines the second standing wave ratio of the feeder between the first feeding point B 11 and the second feeding point B 21 , the first feeding point B 12 and the second feeding point B 21 respectively according to the above standing wave detection method.
  • the second standing wave ratio of the feeder between the electrical points B 22 , . . . , the second standing wave ratio of the feeder between the first feed point B 15 and the second feed point B 25 are still connected respectively, while the first feeding point B 11 and the second feeding point B 21 are switched by conduction.
  • the second controller can control the second transmission part to continue to drive the conductor part to slide to the right side as shown in (a) of FIG. 13 along the second slideway, until the conductor plate R2 on the conductor part and the third
  • the fourth conductive strip line 2 on the PCB is in contact with the fourth conductive strip lines 1 , 3 to 5 on the third PCB, and the first feeding points B 11 , B 13 ⁇ B 15 are in contact with the second feeding point B 21.
  • the feed lines between B 23 and B 25 are still connected respectively, and part of the signals on the feed lines between the first feeding point B 12 and the second feeding point B 22 will pass through the conductor plate R 2 , the conductor connecting piece F 1 , conductor connection F 2 , conductor plate R 1 , and the coupling point on the second cavity transmit to the ground circuit, resulting in an impedance on the feed line between the first feed point B 12 and the second feed point B 22 lost pair.
  • the second controller determines the third standing wave ratio of the feeder between the first feeding point B 11 and the second feeding point B 21 , the first feeding point B 12 and the second feeding point B 12 respectively according to the above-mentioned standing wave detection method.
  • the third standing wave ratio of the feeder between the first feed point B 15 and the second feed point B 25 compared with the scenario of the first standing wave ratio, the first feeding points B 11 , B 13 ⁇ B 15 and the second feeding points B 21 , B 22 ⁇ B 25 are still connected respectively, and the first feeding points B 11 , B 13 ⁇ B 15
  • the feed point B 12 and the second feed point B 22 are switched from conduction to impedance mismatch, and the first feed points B 11 , B 13 ⁇ B 15 and the second feed points B 21 , B 22 ⁇ B 25 are
  • the first VSWR and the third VSWR of the feeder between the corresponding first and second feed points should be little different, while the first feed point B 12 and the second feed point B
  • the first standing wave ratio and the third standing wave ratio of the feeder between 22 should be quite different.
  • the first VSWR and the third VSWR of the feeder are quite different, or if the feeder between the first feeding point B 12 and the second feeding point B 22 has the first VSWR and the third VSWR If the difference is not significant, it means that the feeder links corresponding to the first feeder point and the second feeder point are abnormal, and the second controller may issue a standing wave alarm for these abnormal feeder links.
  • the second controller can control the second transmission part to drive the conductor part to move to the right along the second slide in turn, and each movement can control one of the feeder links to be disconnected and the other feeder links to be turned on , until all feeder links have been disconnected at least once.
  • the second controller can determine the line sequence of each feeder link according to the variation of the standing wave ratio of each feeder link.
  • the conductor parts shown in (b) of FIG. 14 are only an exemplary introduction for the convenience of introducing the solution, and the number, position, shape or size of the conductor parts can be adjusted according to actual needs. .
  • the conductor parts may also be provided as solid blocks, hollow lead frames, or spheres.
  • the size of the conductor part can also be set to cover at least two fourth conductive strip lines at the same time, so as to realize standing wave detection on at least two feeder links through one sliding operation, etc., which is not discussed in this application. Repeat.
  • FIG. 15 exemplarily shows a schematic structural diagram of another feed detection unit provided in Embodiment 4 of the present application, wherein (a) in FIG. 15 shows that the feed detection unit is in The top view when the feeder line is in the impedance mismatch state, (b) in FIG. 15 shows the top view of the feeder detection unit when the feeder line is in a normal working state, and (c) in FIG. 15 shows the feeder Side view of the detection unit.
  • the feed detection unit may further include a second cavity, and the first feed point B 1 and the second feed point B 2 may be in accordance with (a) or (b) in 15 The illustrated way is arranged side by side on the outside of the same side of the second cavity.
  • the fourth strip conductor and the conductor part may be disposed inside the second cavity.
  • the fourth conductive strip line may have rigidity, and the fourth conductive strip line can be fixed in position by connecting the first feeding point B 1 and the second feeding point B 2 .
  • the second cavity may be configured as a conductive structure, and the conductor member is connected to the coupling point by electrical connection or coupling to connect to the ground circuit.
  • the feed detection unit may further include a sliding medium arranged relative to the fourth tape guide, the conductor member is arranged on the sliding medium, and the sliding direction of the sliding medium is the same as that of the fourth tape line. There is an angle.
  • the sliding medium can be directly slid along the sliding direction under the driving of the transmission component to be close to the fourth belt guide line or away from the fourth belt line, or the feed detection unit can also include a second slide (in FIG. 15 ).
  • the second slideway is arranged on the surface of the second cavity relative to the fourth guide strip line, or is arranged on the surface of the fourth guide strip line relative to the conductor component, and the sliding medium slides along the second The track slides to drive the conductor part closer to or away from the fourth tape conductor.
  • FIG. 16 exemplarily shows a schematic structural diagram of the fourth conducting strip line and the conductor component corresponding to this structural design, wherein (a) in FIG. 16 shows a top view of the fourth conducting strip line, and (b) in FIG. 16 ) shows a top view of the conductor member, and (c) in FIG. 16 shows a side view of the conductor member.
  • the fourth conducting strip line may be an arcuate structure, one end (I 1 ) of the arcuate structure is connected to the first feeding point B 1 , and the other end (I 1 ) of the arcuate structure is connected to the first feeding point B 1 .
  • the conductor part may be an embedded conductor embedded in the sliding medium on the side opposite to the fourth conductor strip line .
  • each part of the sliding medium can embed a piece of embedded conductor on one side of the fourth strip conductor.
  • the two parts of the sliding medium can be fixedly connected to realize simultaneous sliding, or can be set independently for each sliding, which is not specifically limited.
  • the second controller may firstly control the second transmission component to drive the sliding medium to slide to the left side as shown in (a) of FIG. 15 along the second slideway, until the embedded conductor on the sliding medium does not contact the fourth tape line , stop the sliding of the sliding medium, as shown in (b) of Figure 15 .
  • the impedance on the feeder line between the first feeding point B1 and the second feeding point B2 does not change, the first feeding point The feeder between B 1 and the second feed point B 2 is in normal working condition.
  • the second controller determines the first standing wave ratio of the feeder between the first feeding point B 1 and the second feeding point B 2 according to the above standing wave detection method, and the first standing wave ratio theoretically corresponds to the normal working state lower standing wave ratio.
  • the second controller can then control the second transmission component to drive the sliding medium to slide to the right side as shown in (b) in FIG. 15 along the second slideway, until the embedded conductor on the sliding medium and the fourth tape guide line When overlapping, the sliding of the sliding medium is stopped, as shown in (a) of FIG. 15 .
  • the impedance on the feeder line between the first feed point B 1 and the second feed point B 2 changes, resulting in the first feed point B
  • the feeder between 1 and the second feed point B2 switches to an impedance mismatched state.
  • the second controller determines the second standing wave ratio of the feeder between the first feeding point B 1 and the second feeding point B 2 according to the above standing wave detection method, and the second standing wave ratio theoretically corresponds to impedance mismatch The standing wave ratio in the state. If there is no problem with the feeder connection between the first feeding point B 1 and the second feeding point B 2 , the difference between the first standing wave ratio and the second standing wave ratio should be large. Therefore, if the difference between the first standing wave ratio and the second standing wave ratio is not greater than the preset difference threshold, it means that the feeder connection between the first feeding point B 1 and the second feeding point B 2 is abnormal, The second controller may perform a standing wave alarm for the feeder between the first feeding point B 1 and the second feeding point B 2 .
  • the arcuate center position of the fourth conducting strip line may also be set as a protruding structure, and the part of the protruding structure is used to contact the embedded conductor in the sliding medium in the state of impedance mismatch.
  • the sliding medium can realize the switching between the normal working state and the impedance mismatching state of the feeder link through a small displacement, which helps to save the sliding length, and improves the flexibility of manipulation and the response speed of working state switching.
  • FIG. 16 is only described by taking as an example that the sliding medium and the embedded conductor are arranged on both sides of the fourth strip conductor.
  • the sliding medium and the embedded conductor may also be arranged on one side of the fourth tape line, such as the upper side or the lower side as shown in (c) of FIG. 16 , which is not specifically limited.
  • the sliding medium and the embedded conductors shown in (c) of FIG. 16 are only an exemplary introduction for the convenience of introducing the solution. It can be adjusted according to actual needs.
  • at least two embedded conductors may also be embedded in the sliding medium at the same time, so as to realize standing wave detection of at least two feeder links through one sliding operation, etc., which will not be described in detail in this application.
  • FIG. 17 exemplarily shows a schematic structural diagram of another feed detection unit provided by the fourth embodiment of the present application, wherein (a) in FIG. 17 shows that the feed detection unit is in The top view when the feeder line is in the impedance mismatch state, (b) in FIG. 17 shows the top view of the feeder detection unit when the feeder line is in a normal working state, and (c) in FIG. 17 shows the feeder Side view of the detection unit.
  • the feed detection unit may further include a second cavity, and the first feed point B 1 and the second feed point B 2 may be in accordance with (a) or (b) in 17 The illustrated way is arranged side by side on the outside of the same side of the second cavity.
  • the fourth strip conductor and the conductor part may be disposed inside the second cavity.
  • the second cavity may be configured as a conductive structure, and the conductor component is connected to the second cavity through electrical connection or coupling to couple with the ground circuit.
  • the feed detection unit may further include a third PCB, a fourth PCB and a second slide.
  • a chute may be provided on the inner side wall of the second cavity, and the third PCB is clamped in the chute to achieve positional fixation.
  • the fourth strip line may be disposed on a face of the third PCB opposite to the conductor part, and the conductor part may be disposed on a face of the fourth PCB opposite to the third strip line.
  • the second slideway may be disposed on the surface of the third PCB opposite to the conductor component, or may be disposed on the surface of the second cavity relative to the third PCB, which is not specifically limited.
  • FIG. 18 exemplarily shows the structural schematic diagrams of the third PCB and the fourth PCB corresponding to this structural design, wherein (a) in FIG. 18 illustrates a top view of the third PCB, and (b) in FIG. 18 illustrates Top view of the fourth PCB.
  • the fourth conductive strip line is in an arcuate structure on the third PCB, one end (I 1 ) of the arcuate structure is connected to the first feeding point B 1 , and the The other end (I 2 ) is connected to the second feeding point B 2 to connect the first feeding point B 1 and the second feeding point B 2 .
  • the second slide may be provided on the side of the third PCB opposite to the conductor part.
  • the sliding direction of the second slideway can be set as (a) in FIG. 18 ) indicated the polyline.
  • the conductor component may be a fifth conductive strip line, and the fifth conductive strip line is tiled inside the fourth PCB, for example, it may be a wrap around the inside of the fourth PCB rectangle.
  • the second controller may firstly control the second transmission component to apply a leftward force as shown in (a) in FIG. 17 to the fourth PCB, so that the fourth PCB drives the fifth guide belt under the reaction force of the second slideway
  • the wire slides along the second slide in the direction away from the fourth wire guide (ie, the lower left as shown in (a) in Figure 17 ), until the fifth wire guide in the fourth PCB does not touch the fourth wire.
  • the sliding of the fourth PCB is stopped, as shown in (b) of FIG. 17 .
  • the fifth conducting strip line does not contact the fourth conducting strip line, the impedance on the feeding line between the first feeding point B 1 and the second feeding point B 2 does not change, and the first feeding The feeder between the electrical point B 1 and the second feed point B 2 is in a normal working state.
  • the second controller determines the first standing wave ratio of the feeder between the first feeding point B 1 and the second feeding point B 2 according to the above standing wave detection method, and the first standing wave ratio corresponds to the normal working state. standing wave ratio.
  • the second controller can control the second transmission component to apply a rightward force as shown in (b) in FIG. 17 to the fourth PCB, so that the fourth PCB drives the fifth PCB under the reaction force of the second slide.
  • the tape conductor slides along the second slide to the direction close to the fourth tape conductor (ie, the upper right shown in (b) in FIG. 17 ), until the fifth conductor tape in the fourth PCB is When the tape lines are coincident, the sliding of the fourth PCB is stopped, as shown in (a) of FIG. 17 .
  • the second controller determines the second standing wave ratio of the feeder between the first feeding point B 1 and the second feeding point B 2 according to the above-mentioned standing wave detection method, and the second standing wave ratio corresponds to that in the mismatched state. standing wave ratio. If there is no problem with the feeder connection between the first feeding point B 1 and the second feeding point B 2 , the first standing wave ratio and the second standing wave ratio should theoretically have a large difference.
  • the difference between the first standing wave ratio and the second standing wave ratio is not greater than the preset difference threshold, it means that the feeder connection between B 1 and the second feeding point B 2 is abnormal, and the second controller can A standing wave alarm is performed for the feeder between B 1 and the second feed point B 2 .
  • the fourth strip conductor is disposed on one side of the third PCB, such as the upper side as shown in (c) of FIG. 18 .
  • the fourth conductive strip line may also be disposed on the lower side of the third PCB as shown in (c) of FIG. 18 .
  • the fourth PCB can also be composed of two parts arranged on both sides of the third PCB, wherein each part can be provided with a fifth strip conductor on one side opposite to the third PCB.
  • FIG. 19 exemplarily shows a schematic structural diagram of another feed detection unit provided in Embodiment 4 of the present application, wherein (a) in FIG. 19 shows that the feed detection unit is in A side view of the feeder line in an impedance mismatch state, (b) in FIG. 19 illustrates a side view of the feeder detection unit when the feeder line is in a normal working state, and (c) in FIG. 19 illustrates the Top view of the feed detection unit.
  • the feed detection unit may further include a second cavity, and the first feed point B 1 and the second feed point B 2 may be in the manner shown in (c) in 19 They are arranged side by side on the outside of the same side of the second cavity.
  • the fourth strip conductor and the conductor part may be disposed inside the second cavity.
  • the second cavity may also be configured as a conductive structure, and the conductor component is connected to the second cavity through electrical connection or coupling to couple with the ground circuit.
  • FIG. 20 exemplarily shows a schematic structural diagram of the fourth conducting strip line and the conductor component corresponding to this structural design, wherein (a) in FIG. 20 shows a top view of the fourth conducting strip line, and (b) in FIG. 20 ) shows a side view of the conductor member, and (c) in FIG. 20 shows a plan view of the conductor member.
  • the fourth conductive strip line can be set as an arcuate structure, one end (I 1 ) of the arcuate structure is connected to the first feeding point B 1 , and the other end (I 1 ) of the arcuate structure is connected to the first feeding point B 1 .
  • the conductor part may be a conductor elastic sheet, and the first end (M 1 ) of the conductor elastic sheet is fixedly connected to the second cavity to realize connection with the second cavity coupling, the second end (M 2 ) of the conductor spring has elasticity. Under the condition that the conductor elastic sheet is not stressed, the second end M2 of the conductor elastic sheet does not deform, and there is a certain interval between the second end M2 of the conductor elastic sheet and the fourth conducting strip line, that is, it does not contact the fourth conducting strip line .
  • the second controller may not apply force to the conductor elastic sheet first, at this time, the second end M2 of the conductor elastic sheet does not deform, so the second end M2 of the conductor elastic sheet does not contact the fourth conducting strip line, as shown in FIG. 19 . (b).
  • the conductor elastic piece does not contact the fourth conductive strip line, the impedance on the feeder line between the first feeding point B 1 and the second feeding point B 2 does not change, and the first feeding point B
  • the feeder between 1 and the second feed point B 2 is in normal working condition.
  • the second controller determines the first standing wave ratio of the feeder between the first feeding point B 1 and the second feeding point B 2 according to the above standing wave detection method, and the first standing wave ratio corresponds to the normal working state. standing wave ratio.
  • the second controller can control the second transmission component to apply the force to the right as shown in (b) of FIG. 19 to the second end M2 of the conductor elastic piece, so that the second end M2 of the conductor elastic piece is deformed, At this time, the second end M 2 of the conductor elastic piece can approach the fourth tape line until it contacts the fourth tape line, as shown in (a) of FIG. 19 .
  • the impedance on the feeder line between the first feed point B 1 and the second feed point B 2 changes due to the conductor spring contacting the fourth conductor strip line, and the first feed point B 1 The feeder between it and the second feed point B2 is switched to an impedance mismatched state.
  • the second controller determines the second standing wave ratio of the feeder between the first feeding point B 1 and the second feeding point B 2 according to the above-mentioned standing wave detection method, and the second standing wave ratio corresponds to that in the mismatched state. standing wave ratio. If there is no problem with the feeder connection between the first feeding point B 1 and the second feeding point B 2 , the first standing wave ratio and the second standing wave ratio should theoretically have a large difference. Therefore, if the difference between the first standing wave ratio and the second standing wave ratio is not greater than the preset difference threshold, it means that the feeder connection between B 1 and the second feeding point B 2 is abnormal, and the second controller can A standing wave alarm is performed for the feeder between B 1 and the second feed point B 2 .
  • the conductor elastic piece disposed on one side of the fourth strip conductor as an example, such as the upper side as shown in (a) or (b) of FIG. 19 .
  • the conductor elastic pieces can also be arranged on both sides of the fourth strip conductor, such as the upper side and the lower side as shown in (a) or (b) of FIG. 19 , or only the It is arranged on the lower side of the fourth conduction band line as shown in (a) or (b) of FIG. 19 , which is not specifically limited.
  • the feeder detection unit may also include multiple conductor elastic sheets, and by utilizing the deformability of the multiple conductor elastic sheets, the multiple conductor elastic sheets are controlled to contact or not to contact the corresponding fourth conductor strip line In order to realize the detection of multiple feeder links.
  • the feed detection unit may also include a conductor elastic sheet that can cover at least two fourth conducting strip lines, and the deformation capability of the larger-sized conductor elastic sheet can also realize the detection of multiple feeder links. This will not be repeated one by one.
  • the feed detection unit introduced in the above-mentioned embodiments of the present application may be integrated with a certain feed component in the feed network on the same physical unit, or may be integrated with each feed component in the feed network They are respectively arranged on different physical units, which are not specifically limited in this application.
  • each component in the above embodiments of the present application refers to functional devices, and the present application does not limit the specific implementation of these functional components.
  • each conducting strip line in the feed detection unit can be implemented in the form of a microstrip line.
  • the feed detection unit includes a cavity.
  • Each conductive strip line in the electrical detection unit can be realized by a suspended strip line or a sheet metal strip line, or, each conductive strip line in the feed detection unit can also be realized by other devices with conductive functions , which is not specifically limited.
  • the second embodiment above is to switch the feeder link to an abnormal working state by controlling the disconnection of the feeder link through mechanical transmission
  • the third embodiment above is to switch the feeder link by controlling the disconnection of the feeder link through electrical signal conduction
  • the fourth embodiment above is to switch the feeder link to the abnormal working state by controlling the impedance mismatch of the feeder link through mechanical transmission.
  • the feeder detection unit in addition to controlling the feeder link to switch to the abnormal working state by way of open circuit and impedance mismatch, can also control the feeder link to switch to the abnormal working state by short-circuiting , for example, the feed detection unit can also include a wire with very strong reflection ability and a switch assembly arranged on the wire, one end of the wire is connected to the first feeding point, and the other end of the wire is connected to the second feeding point, When it is necessary to switch to an abnormal working state, the feed detection unit can turn on the switch assembly, so as to short-circuit the feed line between the first feed point and the second feed point, all or most of the feed line The signal is reflected to other locations to switch the feeder to an abnormal working state by changing the impedance of the feeder.
  • the feed detection unit can also control the feeder link to switch to the abnormal working state by short-circuiting , for example, the feed detection unit can also include a wire with very strong reflection ability and a switch assembly arranged on the wire, one end of the wire is connected to the first feeding point
  • an embodiment of the present application further provides a base station antenna, including an antenna port, an antenna array, and a feeding network provided by the embodiment of the present application.
  • the first end of the feeding network is connected to the antenna port, and the The second end is connected to the antenna array.
  • the feeding network is used to feed the transmitted signal from the antenna port and then send it to the antenna array under normal working conditions, or send the received signal from the antenna array to the antenna port after feeding and processing.
  • the antenna array is used to radiate the feed-processed transmit signal, or receive the receive signal and send it to the feed network.
  • the embodiments of the present application also provide a base station device, including the base station antenna provided by the embodiments of the present application, and one or more transceivers, wherein the one or more transceivers can be respectively connected with the base station. Multiple antenna ports in the antenna are connected one by one.
  • the transceiver in the base station equipment may be a remote radio frequency unit.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be downloaded from a website site, computer, server, or data center Transmission to another website site, computer, server, or data center by wire (eg, coaxial cable, optical fiber, digital subscriber line, DSL) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc., that includes one or more available media integrated.
  • the available media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, high-density digital video discs (DVDs)), or semiconductor media (eg, solid state discs, SSD)) etc.
  • a component may be, but is not limited to, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a computing device and the computing device may be components.
  • One or more components may reside within a process and/or thread of execution, and a component may be localized on one computer and/or distributed between two or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on a signal having one or more data packets (eg, data from two components interacting with another component between a local system, a distributed system, and/or a network, such as the Internet interacting with other systems via signals) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component between a local system, a distributed system, and/or a network, such as the Internet interacting with other systems via signals
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution, and the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk and other media that can store program codes .

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Abstract

L'invention concerne un réseau de sources, une antenne de station de base et un dispositif de station de base. Le réseau de sources comprend une unité de mesure de source, ainsi qu'un premier point de source et un second point de source qui sont situés sur la même liaison de source, l'unité de mesure de source déterminant, lorsque la liaison de source est dans un état de travail prédéfini, le rapport d'onde stationnaire de la liaison de source selon un premier signal électrique au premier point de source et un second signal électrique au second point de source ; et si le rapport d'onde stationnaire de la liaison de source ne correspond pas à un rapport d'onde stationnaire correspondant à l'état de travail prédéfini, il est déterminé que la connexion de la liaison de source est anormale. Au moyen de l'agencement d'une unité de mesure de source dans un réseau de sources, non seulement une connexion de câble à l'intérieur d'une antenne de station de base est étalonnée à l'avance avant que l'antenne de station de base ne quitte une usine, mais un problème de connexion de câble à l'extérieur de l'antenne de station de base peut également être détecté après qu'un dispositif externe a été connecté, de telle sorte que la distribution ou le montage d'un dispositif de station de base sans erreur de connexion de câble est facilité et que la probabilité que le dispositif de station de base soit renvoyé à l'usine pour maintenance et qu'un utilisateur redéploie une antenne de station de base sont réduits.
PCT/CN2021/132766 2020-12-25 2021-11-24 Réseau de sources, antenne de station de base et dispositif de station de base WO2022135002A1 (fr)

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CN202011560877.8A CN114696086A (zh) 2020-12-25 2020-12-25 一种馈电网络、基站天线及基站设备
CN202011560877.8 2020-12-25

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1159278A (zh) * 1994-07-26 1997-09-10 艾利森电话股份有限公司 天线和馈电电缆测试器
JPH1194890A (ja) * 1997-09-19 1999-04-09 Nec Corp アンテナ系の監視装置
US6380748B1 (en) * 1999-11-10 2002-04-30 Hyundai Electronics Industries Co., Ltd. Apparatus and method for diagnosing antennas using switches
WO2016032114A1 (fr) * 2014-08-29 2016-03-03 주식회사 케이엠더블유 Procédé pour commander un rapport d'onde stationnaire de tension à partir d'une antenne de station de base
WO2017035731A1 (fr) * 2015-08-31 2017-03-09 华为技术有限公司 Déphaseur, antenne et station de base
CN107994959A (zh) * 2016-10-26 2018-05-04 普天信息技术有限公司 远端射频单元rru驻波比的检测方法及装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1159278A (zh) * 1994-07-26 1997-09-10 艾利森电话股份有限公司 天线和馈电电缆测试器
JPH1194890A (ja) * 1997-09-19 1999-04-09 Nec Corp アンテナ系の監視装置
US6380748B1 (en) * 1999-11-10 2002-04-30 Hyundai Electronics Industries Co., Ltd. Apparatus and method for diagnosing antennas using switches
WO2016032114A1 (fr) * 2014-08-29 2016-03-03 주식회사 케이엠더블유 Procédé pour commander un rapport d'onde stationnaire de tension à partir d'une antenne de station de base
WO2017035731A1 (fr) * 2015-08-31 2017-03-09 华为技术有限公司 Déphaseur, antenne et station de base
CN107994959A (zh) * 2016-10-26 2018-05-04 普天信息技术有限公司 远端射频单元rru驻波比的检测方法及装置

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