WO2020259001A1 - 一种滤波天线及基站设备 - Google Patents

一种滤波天线及基站设备 Download PDF

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Publication number
WO2020259001A1
WO2020259001A1 PCT/CN2020/084471 CN2020084471W WO2020259001A1 WO 2020259001 A1 WO2020259001 A1 WO 2020259001A1 CN 2020084471 W CN2020084471 W CN 2020084471W WO 2020259001 A1 WO2020259001 A1 WO 2020259001A1
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WO
WIPO (PCT)
Prior art keywords
filter
antenna
circuit
signal
channel
Prior art date
Application number
PCT/CN2020/084471
Other languages
English (en)
French (fr)
Inventor
孙磊
康玉龙
刘亮
任敏
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP20831703.2A priority Critical patent/EP3979518A4/en
Publication of WO2020259001A1 publication Critical patent/WO2020259001A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • 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
    • H01Q21/0006—Particular feeding systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/267—Phased-array testing or checking devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H04B7/15542—Selecting at relay station its transmit and receive resources

Definitions

  • the embodiment of the present invention relates to but not limited to the field of wireless communication technology, and specifically relates to but not limited to a filter antenna.
  • the traditional large-scale array antenna adopts a complicated structure.
  • the antenna integrated calibration network is connected to the output port of the filter through the radio frequency connector, and the input port of the filter is connected to the transceiver circuit module of the base station equipment through the radio frequency connector.
  • the conventional solution is assembled with components such as antenna element + PCB feed network + metal reflector + calibration network + filter + RF connector, etc., with many components and complicated assembly. Multi-layer PCB processing is difficult and costly, and the input and output of the filter require RF connectors (for example, a 32-channel large-scale array antenna requires at least 2 ⁇ 32+1 RF connectors).
  • AAU Active Antenna Unit
  • an embodiment of the present invention provides a filter antenna.
  • an embodiment of the present invention provides a filter antenna, including an antenna element subassembly and a filter.
  • the antenna element subassembly includes an antenna element and a power dividing circuit connected to the antenna element.
  • the input end of the filter passes a radio frequency.
  • the connector is connected to a signal transceiving circuit, the output end of the filter is connected to the power dividing circuit, and a signal calibration circuit is provided in the signal transceiving circuit to calibrate the signal.
  • An embodiment of the present invention also provides a base station device, including a signal transceiving circuit and the filter antenna described above, and the signal transceiving circuit is connected to the filter antenna.
  • An embodiment of the present invention also provides a communication method for base station equipment, including: calibrating the signal transceiving circuit through a signal calibration circuit in the signal transceiving circuit; receiving an uplink signal through the filter antenna and sending it to the signal The transceiving circuit performs analysis processing, and after processing the downlink signal to be sent through the signal transceiving circuit, it is sent out through the filter antenna.
  • FIG. 1 is a schematic diagram of the filter antenna of the present invention
  • FIG. 2 is a schematic diagram of the structure of the filter antenna according to the first embodiment of the present invention.
  • FIG. 3 is a schematic diagram of the horizontal arrangement of filter antennas according to the first embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a 16-channel filter antenna according to the second embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the antenna element assembly of the 16-channel filter antenna according to the second embodiment of the present invention.
  • FIG. 6 is a schematic diagram of filter components of a 16-channel filter antenna according to the second embodiment of the present invention.
  • Fig. 7 is a schematic diagram of a 32-channel filter antenna according to the second embodiment of the present invention.
  • Fig. 8 is a schematic diagram of a 64-channel filter antenna according to the second embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of an integrated filter antenna according to Embodiment 3 of the present invention.
  • FIG. 10 is a schematic diagram of a 16-channel integrated filtering antenna according to the fourth embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a 32-channel integrated filtering antenna according to the fourth embodiment of the present invention.
  • Fig. 12 is a schematic diagram of a 64-channel integrated filtering antenna according to the fourth embodiment of the present invention.
  • the present invention proposes a filter antenna.
  • Figure 1 is the working principle diagram of the filter antenna.
  • the RF connector 01 is connected to the base station equipment transceiver circuit.
  • the signal enters the filter 02 through the RF connector 01, and the signal enters the power division network 03 from the filter output end.
  • the power division network adjusts the amplitude and phase of the signal, and finally the signal is radiated through the antenna element 04.
  • the present invention provides a filter antenna.
  • the antenna includes an antenna element and a filter.
  • the antenna element includes an antenna element and a power divider circuit connected to the antenna element.
  • the terminal is connected with the signal transceiver circuit through the radio frequency connector, and the output terminal of the filter is connected with the power dividing circuit.
  • the signal calibration circuit is a component that collects the signal amplitude and consistency of the signal transceiver circuit.
  • the purpose of calibration is to compensate for the amplitude and phase difference caused by the signal transceiver circuit and the antenna connection.
  • the predetermined amplitude and phase requirements require the signal calibration circuit to detect the consistency of the amplitude and phase in real time, so as to correct the amplitude and phase deviation.
  • the filter antenna works in cooperation with the signal transceiving circuit in the base station equipment, and the signal calibration circuit is set in the signal transceiving circuit, and its function is to calibrate the signal sent by the antenna unit.
  • the filter antenna does not include a signal calibration circuit, so that the assembly is the most simplified, the cost is the lowest, and the antenna is miniaturized and lightweight.
  • the signal transceiver circuit is equipped with a low-pass filter function structure, the low-pass filter function allows low-frequency signals to pass normally, while high-frequency signals exceeding the set threshold are blocked and weakened.
  • the filter antenna includes an antenna element assembly 13, an antenna reflector 12, and a filter 11.
  • the antenna element assembly 13 includes an antenna element 131 and a function connected to the antenna element 131.
  • the power dividing circuit 132 and the filter 11 are respectively provided with a low-pass filtering function structure.
  • the low-pass filtering function can allow low-frequency signals to pass normally, while high-frequency signals exceeding the set threshold are blocked. , Weaken.
  • the arrangement of the filter antenna components can be horizontal, see Figure 3 for details, or vertical, see Figure 2 for details; depending on the arrangement of the filter antenna components, 16 channels, 32-channel, 64-channel filter antenna...16 ⁇ N-channel filter antenna (N is an integer greater than or equal to 1).
  • the antenna reflector 12 includes, but is not limited to, a metal reflector, a plastic plate with metal plating, etc., and functions as a directional antenna reflector and support.
  • the antenna element assembly 13 and the filter 11 are arranged on two opposite surfaces of the antenna reflector 12, and the face on which the antenna element assembly 13 is arranged on the antenna reflector 12 is called the front face.
  • the antenna element 131 is used to radiate energy from the antenna, and the antenna element 131 is disposed on the front of the antenna reflector 12. Specifically, it can be fixed on the front surface of the antenna reflector 12 by means of screws, clamping, etc., and a plurality of antenna elements 131 can be arranged in an array on the front surface of the antenna reflector 12.
  • the power dividing circuit 132 plays the role of adjusting the signal amplitude and phase. It is connected to the antenna element 131 and is also arranged on the front of the antenna reflector 12. It should be understood that the antenna element assembly 13 may include multiple antenna elements 131 and power dividing circuits 132.
  • the antenna element 131 and the power dividing circuit 132 connected to the antenna element 131 can be integrated on a carrier, such as a PCB board, a plastic board, etc.
  • the shape of the carrier can match the shape of the antenna reflector 12.
  • the filter 11 is arranged on the back of the antenna reflector 12. Specifically, it can be fixed on the back of the antenna reflector 12 by means of screws, snaps, etc.
  • the output end of the filter 11 is connected to the power divider circuit 132, and the input end of the filter 11 Connect with the signal transceiver circuit through the radio frequency connector. It should be noted that the filter in this embodiment is a dual-channel filter.
  • the antenna reflector 12 is further provided with a connection through hole, and the output end of the filter 11 is connected to the power dividing circuit 132 through the connection through hole 121 on the antenna reflector 12.
  • the output end of the filter 11 is set to connect the conductive probe 111 through the connection through hole 121 on the antenna reflector 12 to the power dividing circuit 132. It should also be noted that this The conductive probe 111 in the embodiment has two functions, one is the output end of the filter 11, and the other is the connection part of the output end of the filter 11 and the power division network 132 of the antenna array assembly. This way can save half the number of RF connectors, and the connection method is simple.
  • An embodiment of the present invention provides a filter antenna.
  • the antenna element and the filter are connected through conductive probes.
  • This connection method is simple and easy to assemble; at the same time, the signal calibration circuit is set in the signal transceiver.
  • the filter antenna does not include a signal calibration circuit, which simplifies the overall structure of the filter antenna, reduces the cost, and at the same time reduces the antenna size and achieves miniaturization.
  • the foregoing embodiment provides a filter antenna, which includes an antenna element and a filter.
  • the antenna element includes an antenna element and a power dividing circuit connected to the antenna element.
  • the input end of the filter is connected to a signal through a radio frequency connector.
  • the transceiver circuit is connected, and the output end of the filter is connected to the power dividing circuit.
  • Filter antennas include 16-channel, 32-channel, 64-channel filter antennas...16 ⁇ N-channel filter antennas (N is an integer greater than or equal to 1).
  • N is an integer greater than or equal to 1).
  • the following uses 16-channel, 32-channel, and 64-channel filter antennas as examples to describe in detail.
  • the 16-channel filter antenna includes an 8 ⁇ 12 antenna element assembly 13 and a 16-channel filter 11. It should be noted that in the 8 ⁇ 12 antenna element assembly 13, 8 represents the number of columns of the antenna element assembly, that is, there are 8 dual-polarized antenna arrays, and each dual-polarized array has 2 antenna channels, so 8 dual-pole The array has 16 antenna channels.
  • the 16-channel filter 11 has 8 filters, and each filter has 2 output ports connected to a dual-polarized antenna array.
  • 8 represents the number of columns of the antenna element assembly
  • 12 represents the number of rows of the antenna element assembly.
  • a large 8 ⁇ 12 component can be designed, or small components can be used to form an 8 ⁇ 12 array.
  • 13-a represents a 1 ⁇ 3 antenna array subassembly
  • 32 1 ⁇ 3 antenna array subassemblies 13-a can form an 8 ⁇ 12 antenna array
  • 13-b represents an 8 ⁇ 3 antenna array component
  • 4 8 ⁇ 3 antenna array components 13-b can form an 8 ⁇ 12 array
  • 13-c represents an 8 ⁇ 6 antenna array subassembly
  • two 8 ⁇ 6 antenna array subassemblies 13-c can form an 8 ⁇ 12 array. It should be noted that the form of the antenna array component is flexibly selected according to the actual situation, but it is not limited to the above-mentioned types.
  • the selection of filters is also diverse. Specifically, please refer to Figure 7, where 11 is a 16-channel filter, and there are 8 dual-channel filters. Specifically, a 16-channel filter can be designed, or a 2-channel, 4-channel, 6-channel filter, etc. can be designed to form a 16-channel filter in combination. For example, 11-a represents a 2-channel filter, and 8 2-channel filters 11-a can form a 16-channel filter. 11-b represents a 4-channel filter, using 4 4-channel filters 11-b can form a 16-channel filter. It should be noted that the form of the filter can be selected flexibly according to the actual situation, but it is not limited to the above.
  • the antenna reflector 12 functions as a reflecting surface required for carrying and directing the antenna.
  • the antenna element assembly 13 and the filter 11 include, but are not limited to, they can be fixed on the antenna reflector 12 by means of screws, snaps, and the like.
  • the antenna reflector 12 has holes for the antenna element assembly 13 and the filter 11, and the holes are matched with the screws to fix the antenna element assembly 13 and the filter 11.
  • the antenna reflector 12 is further provided with a connection through hole 121, and the output end of the filter 11 is connected to the power dividing circuit 132 through the connection through hole 121 on the antenna reflector 12. It should be noted that there are many ways to connect the output terminal of the filter 11 to the power dividing circuit 132.
  • the output terminal of the filter 11 is set as the conductive probe 111, and the conductive probe 111 is connected to the power dividing circuit 132. Realize the connection.
  • a conductive probe 111 is provided at the output end of the filter 11, and the conductive probe 111 passes through a connection through hole 121 at a corresponding position on the antenna reflector 12 to connect to the power dividing circuit 132 of the antenna element assembly 13.
  • the conductive probe 111 has two functions. One is used as the output terminal of the filter 11, and the other is used as a connecting component between the output terminal of the filter 11 and the power dividing circuit 132 of the antenna element assembly. This way can save half the number of RF connectors, and the connection method is simple.
  • this embodiment provides a 32-channel filter antenna.
  • the 32-channel filter antenna includes an 8 ⁇ 12 antenna array subassembly 13 and a 32-channel filter 11.
  • each 8 ⁇ 6 array supports 16 channels, composed of two 8 ⁇ 6 arrays.
  • 32 Channel filter antenna; 32-channel filter 11 includes 16 filter units, because it supports 32 channels, the 16 filters are divided into 2 groups of 8 filters that are symmetrical up and down, and each filter supports 2 channels. The upper and lower 2 groups of 8 filters form a 32-channel filter.
  • this embodiment also provides a 64-channel filter antenna.
  • the 64-channel filter antenna includes an 8 ⁇ 12 antenna array subassembly 13 and a 64-channel filter 11.
  • the 8 ⁇ 12 antenna array component 13 is divided into 4 8 ⁇ 3 arrays symmetrically up and down.
  • Each 8 ⁇ 3 array supports 16 channels and consists of 4 8 ⁇ 3 arrays.
  • 64-channel antenna; 64-channel filter 11 includes 32 filter units. Because it supports 64 channels, the 32 filters are divided into 4 groups of 8 filters symmetrically up and down. Each filter supports 2 channels. The upper and lower 4 groups of 8 filters form a 64-channel filter.
  • the embodiment of the present invention provides a multi-channel filter antenna on the basis of the smallest unit of the filter antenna, and realizes the multi-channel filter antenna by different arrangement and combination of antenna element components and filters, which has strong expandability and is convenient and flexible to use;
  • the element components and the filter are connected by conductive probes.
  • This connection method is simple and easy to assemble.
  • the signal calibration circuit is set in the signal transceiver circuit, so that the filter antenna does not include the signal calibration circuit, which simplifies the overall structure of the filter antenna and reduces Cost, while reducing antenna size to achieve miniaturization.
  • the embodiment of the present invention proposes an integrated filter antenna, which integrates the various functions of the filter antenna into one module.
  • the integrated filter antenna includes an antenna array subassembly 13, a reflective layer 122, and a filter 11.
  • the antenna array subassembly 13, the reflective layer 122 and the filter 11 are integrated on a carrier.
  • the carrier includes, but is not limited to, plastic plates, metal plates, and PCB boards.
  • the carrier is a plastic plate for further detailed description.
  • plastic injection molding can be used, and the various functions of the filter antenna are realized by processing a metal layer on the surface of the plastic plate.
  • the processing of the metal layer on the surface of the plastic plate includes but not limited to electroplating, thermal spraying, ion plating and other processing techniques .
  • the radiating surface, power dividing circuit, reflective surface, and filter of the antenna element 131 are processed on the plastic surface through a plastic plating process.
  • the plastic board is also provided with a connection through hole 133, which is directly connected to the power dividing circuit. Inside the filter. It should be noted that the plastic plate in this embodiment is processed with a reflective layer 122 to achieve the same function as the antenna reflector 12 in the above embodiment, so the plastic plate in this embodiment can be used as the antenna reflector 12.
  • the inner wall of the connection through hole 133 is provided with a conductive layer to realize the connection between the power division circuit and the filter.
  • the conductive layer plays the same role as the conductive probe 111 in the above embodiment, and can be used as a filter.
  • the output terminal of 11 can also be used as a connecting component between the output terminal of the filter 11 and the power dividing circuit 132.
  • the conductive layer may be a metal layer, and the processing technology of the metal layer includes, but is not limited to, electroplating, thermal spraying, ion plating, and the like.
  • the filters include, but are not limited to, bandpass filters, dielectric filters, waveguide filters, coaxial filters, cavity filters, etc.
  • the cavity filter is taken as an example for detailed description.
  • the cavity filter includes a cavity body and a cover plate 113 covering the cavity.
  • the cover plate 113 is provided with a tuning nut.
  • the body of the cavity filter is processed on the back of the antenna through an electroplating process, and is connected to the antenna
  • the back surface of the reflective layer 122 constitutes an integrated cavity.
  • the active power dividing circuit and the antenna element 13 on the plastic board are called the front of the antenna, and the filter 11 is arranged on the back of the antenna.
  • the filter antenna works in cooperation with the signal transceiving circuit in the base station equipment, and the signal calibration circuit is set in the signal transceiving circuit, and its function is to calibrate the signal sent by the antenna unit.
  • the filter antenna does not include a signal calibration circuit, so that the assembly is the most simplified, the cost is the lowest, and the antenna is miniaturized and lightweight.
  • the integrated filter antenna provided by the embodiment of the present invention integrates the antenna array subassembly and the filter into one module, and the antenna array subassembly and the filter are connected by conductive probes, which reduces the structural complexity and the connection complexity.
  • the integration level of the filter antenna can be greatly improved; at the same time, the signal calibration circuit is set in the signal transceiver circuit, so that the filter antenna does not include the signal calibration circuit, which simplifies the overall structure of the filter antenna, reduces the cost, and reduces the antenna size to achieve miniaturization .
  • the foregoing embodiment provides an integrated filter antenna.
  • the filter antenna includes an antenna array subassembly and a filter, and the antenna array subassembly and the filter are integrated into a module.
  • an integrated filter antenna architecture is proposed.
  • the integrated filter antenna in an array it can form a 16-channel, 32-channel, 64-channel integrated filter antenna...16 ⁇ N-channel integrated filter antenna ( N is an integer greater than or equal to 1).
  • N is an integer greater than or equal to 1).
  • the following uses 16-channel, 32-channel, and 64-channel integrated filter antennas as examples to describe in detail.
  • this embodiment provides a 16-channel integrated filter antenna.
  • the 16-channel filter antenna includes an 8 ⁇ 12 antenna element assembly 13 and a 16-channel filter 11.
  • 8 represents the number of columns of the antenna element assembly, that is, there are 8 dual-polarized antenna arrays, and each dual-polarized array has 2 antenna channels, so 8 dual-pole
  • the array has 16 antenna channels.
  • each filter is a dual-channel filter, and the 16-channel filter 11 has 8 filters, and each filter has 2 output ports connected to a dual-polarized antenna array.
  • the antenna element assembly 13, the filter 11, and the reflective layer 122 are processed and integrated on a carrier.
  • the carrier includes, but is not limited to, a plastic plate, a metal plate, and a PCB board.
  • the carrier is a plastic plate for further detailed description.
  • plastic injection molding can be used, and the various functions of the filter antenna are realized by processing a metal layer on the surface of the plastic plate.
  • the processing of the metal layer on the surface of the plastic plate includes but not limited to electroplating, thermal spraying, ion plating and other processing techniques .
  • the radiation surface of the 8 ⁇ 12 antenna element 131, the power dividing circuit, the reflective surface 122, and the eight filters 11 are processed on the plastic surface through a plastic plating process.
  • the plastic board is also provided with a connection through hole 133, which is connected The hole passes directly from the power divider circuit to the inside of the filter; the surface of the plastic plate is provided with the radiation surface of the antenna element, and the power divider circuit and the radiation surface of the antenna element are arranged on the same surface and connected with the antenna element.
  • the surface of the plastic plate provided with the radiating surface of the antenna element and the power dividing circuit is called the front side of the antenna, and the filter 11 is provided on the back side of the antenna.
  • the plastic plate in this embodiment is processed with a reflective layer 122 to achieve the same function as the antenna reflector 12 in the above embodiment.
  • the inner wall of the connection through hole 133 is provided with a conductive layer to realize the connection between the power division circuit and the filter.
  • the conductive layer plays the same role as the conductive probe in the above embodiment, and can be used as the filter 11.
  • the output terminal of the filter 11 can also be used as a connecting component between the output terminal of the filter 11 and the power dividing circuit 132.
  • the conductive layer may be a metal layer, and the processing technology of the metal layer includes, but is not limited to, electroplating, thermal spraying, ion plating, and the like.
  • the filter antenna works in cooperation with the signal transceiving circuit in the base station equipment, and the signal calibration circuit is set in the signal transceiving circuit, and its function is to calibrate the signal sent by the antenna unit.
  • the filter antenna does not include a signal calibration circuit, so that the assembly is the most simplified, the cost is the lowest, and the antenna is miniaturized and lightweight.
  • this embodiment provides a 32-channel integrated filter antenna.
  • the 32-channel filter antenna includes an 8 ⁇ 12 antenna element assembly 13 and a 32-channel filter 11.
  • the 8 ⁇ 12 antenna array component 13 is divided into two 8 ⁇ 6 arrays symmetrically up and down.
  • Each 8 ⁇ 6 array supports 16 channels and consists of two 8 ⁇ 6 arrays.
  • 32-channel filter antenna; 32-channel filter 11 includes 16 filter units. Since it supports 32 channels, the 16 filters are divided into 2 groups of 8 filters symmetrically up and down, and each filter supports 2 channels.
  • a 32-channel filter is composed of 8 filters in upper and lower groups.
  • this embodiment also provides a 64-channel integrated filter antenna.
  • the 64-channel filter antenna includes an 8 ⁇ 12 antenna array subassembly 13 and a 64-channel filter 11.
  • the 8 ⁇ 12 antenna array component 13 is divided into 4 8 ⁇ 3 arrays symmetrically up and down.
  • Each 8 ⁇ 3 array supports 16 channels and consists of 4 8 ⁇ 3 arrays.
  • 64-channel antenna; 64-channel filter 11 includes 32 filter units. Because it supports 64 channels, the 32 filters are divided into 4 groups of 8 filters symmetrically up and down. Each filter supports 2 channels. The upper and lower 4 groups of 8 filters form a 64-channel filter.
  • the embodiment of the present invention provides a multi-channel integrated filter antenna on the basis of the smallest unit of the integrated filter antenna.
  • the multi-channel filter antenna is realized by integrating the antenna array components and filters into one module and performing different permutations and combinations.
  • the antenna element and filter are connected through the conductive layer, which reduces the structural complexity and connection complexity.
  • the modular design can also greatly improve the integration of the filter antenna.
  • the signal calibration circuit is set in In the signal transceiver circuit, the filter antenna does not include a signal calibration circuit, which simplifies the overall structure of the filter antenna, reduces the cost, and reduces the size of the antenna at the same time to achieve miniaturization.
  • the embodiment of the present invention proposes a communication method for base station equipment based on the filter antenna of the above embodiment.
  • the base station equipment includes a signal transceiver circuit and the filter antenna as described in the above embodiment.
  • the communication method of the base station equipment is specifically as follows:
  • Step 1 Calibrate the signal transceiver circuit through the signal calibration circuit in the signal transceiver circuit.
  • the antenna Before the antenna works, it must first be calibrated. After the calibration is completed, the antenna can work.
  • the antenna uses coherent signals to be superimposed in space to achieve the purpose of increasing transmit power and receiving gain.
  • the amplitude and phase difference caused by the connection between the signal transceiver circuit and the antenna must be controlled. Therefore, the signal calibration circuit
  • the collected signal is calibrated so that the signal sent by each unit antenna meets the predetermined amplitude and phase requirements.
  • the signal calibration circuit is also required to detect the consistency of its amplitude and phase in real time to realize the correction of the amplitude and phase offset.
  • the specific method of antenna calibration in this embodiment can be flexibly selected, and is not limited here.
  • the signal calibration circuit is arranged in the signal transceiver circuit and does not affect its calibration of the filter antenna signal.
  • the filter antenna does not include the signal calibration circuit, which makes the assembly the most simplified and the lowest cost, while achieving the miniaturization and light weight of the antenna. the goal of.
  • Step 2 The uplink signal is received through the filter antenna and sent to the signal transceiver circuit for analysis processing, and the downstream signal to be sent is processed by the signal transceiver circuit, and then sent out through the filter antenna.
  • the antenna can work.
  • the calibration circuit no longer functions.
  • the filter antenna can receive and send signals.
  • the input end of the filter 11 is connected to the signal transceiver circuit through a radio frequency connector
  • the output end of the filter 11 is connected to the power dividing circuit 132
  • the power dividing circuit 132 is connected to the antenna element 131.
  • the downlink signal from the transmitting end of the signal transceiver circuit enters the filter 11 through the radio frequency connector, filters out the clutter through the filter 11, and enters the power divider circuit 132 from the output end of the filter 11, and then goes to the space by the antenna element 131.
  • Radiation at the same time, the filter antenna can also receive the uplink signal and send it to the signal transceiver circuit for analysis and processing.
  • the embodiment of the present invention provides a communication method for base station equipment.
  • the signal transceiving circuit is calibrated through the signal calibration circuit in the signal transceiving circuit.
  • the uplink signal is received through the filter antenna and sent to the signal transceiving circuit for analysis and processing.
  • the transceiver circuit processes the downlink signal to be sent and sends it out through the filter antenna.
  • This method places the signal calibration circuit in the signal transceiver circuit so that the filter antenna does not include the signal calibration circuit, which simplifies the overall structure of the filter antenna and reduces costs , At the same time reduce the size of the antenna to achieve miniaturization.
  • the antenna element and filter are modularized and the signal calibration circuit is installed in the signal transceiver circuit, so that the filter antenna does not include the signal calibration circuit, so that the filter antenna is assembled
  • the signal calibration circuit is installed in the signal transceiver circuit, so that the filter antenna does not include the signal calibration circuit, so that the filter antenna is assembled

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

本发明实施例提供的一种滤波天线以及基站设备，该滤波天线包括天线阵子组件和滤波器，滤波器的输入端通过射频连接器与信号收发电路连接，滤波器的输入端通过射频连接器与信号收发电路连接，滤波器的输出端与天线阵子组件中的功分电路连接，同时将信号校准电路设置于信号收发电路内，使得滤波天线不包含信号校准电路。

Description

一种滤波天线及基站设备
相关申请的交叉引用
本申请基于申请号为201910579396.2、申请日为2019年06月28日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本发明实施例涉及但不限于无线通信技术领域，具体而言，涉及但不限于一种滤波天线。
背景技术
无线通信技术的快速发展，4G(the 4th Generation Mobile Communication Technology)到5G(the 5th Generation Mobile Communication Technology)的演进中，大规模阵列天线得到广泛的应用。传统的大规模阵列天线，采用一种复杂的架构形式，天线集成校准网络通过射频连接器与滤波器输出端口连接，滤波器输入端口通过射频连接器与基站设备收发电路模块连接。常规方案采用天线阵子+PCB馈电网络+金属反射板+校准网络+滤波器+射频连接器等部件组装而成，部件多且装配复杂。多层PCB加工困难成本高昂，滤波器输入输出均需要射频连接器(如32通道大规模阵列天线，需要至少2×32+1个射频连接器)。
随着站点资源越发紧张，5G规模阵列天线与基站设备融合成AAU(Active Antenna Unit)形式，对天线的小型化和轻量化提出更高的要求。
发明内容
主要鉴于5G大规模阵列天线部件多、装配复杂的问题，本发明实施例提供一种滤波天线。
有鉴于此，本发明实施例提供一种滤波天线，包括天线阵子组件和滤波器,所述天线阵子组件包括天线阵子以及与该天线阵子连接的功分电路，所述滤波器的输入端通过射频连接器与信号收发电路连接，所述滤波器的输出端与所述功分电路连接，所述信号收发电路内设置有信号校准电路，用于对信号进行校准。
本发明实施例还提供一种基站设备，包括信号收发电路和如上所述滤波天线，所述信号收发电路与所述滤波天线连接。
本发明实施例还提供一种基站设备的通信方法，包括：通过所述信号收发电路内的信号校准电路对所述信号收发电路进行校准；通过所述滤波天线接收上行信号，并发给所述信号收发电路进行解析处理，以及通过所述信号收发电路对待发送的下行信号进行处理后， 通过所述滤波天线外发。
本发明其他特征和相应的有益效果在说明书的后面部分进行阐述说明，且应当理解，至少部分有益效果从本发明说明书中的记载变的显而易见。
附图说明
图1为本发明滤波天线原理图；
图2为本发明实施例一的滤波天线结构示意图；
图3为本发明实施例一的滤波天线水平排列示意图；
图4为本发明实施例二的16通道滤波天线示意图；
图5为本发明实施例二的16通道滤波天线的天线阵子组件示意图；
图6为本发明实施例二的16通道滤波天线的滤波器组件示意图；
图7为本发明实施例二的32通道滤波天线示意图；
图8为本发明实施例二的64通道滤波天线示意图；
图9为本发明实施例三的一体化滤波天线结构示意图；
图10为本发明实施例四的16通道一体化滤波天线示意图；
图11为本发明实施例四的32通道一体化滤波天线示意图；
图12为本发明实施例四的64通道一体化滤波天线示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，下面通过具体实施方式结合附图对本发明实施例作进一步详细说明。应当理解，附图中给出了本发明的较佳实施例。但是，本发明可以以许多不同的形式来实现，并不限于本文所述的实施例。本文所附实施例目的使本发明所公开的内容便于更透彻的理解。基于本发明，本领域内技术人员在没有创造性劳动下所获得的其它相关实例，都属于本专利的保护范围。
实施例一：
为了解决5G大规模阵列天线部件多、装配复杂的问题，达到大规模阵列天线的小型化和轻量化的目的，本发明提出了一种滤波天线。
请参见图1，图1为滤波天线的工作原理图，射频连接器01与基站设备收发电路连接，信号通过射频连接器01进入滤波器02，信号从滤波器输出端进入功分网络03，通过功分网络调整信号的幅度和相位，最终信号通过天线阵子04辐射出去。
基于上述滤波天线的工作原理图，本发明提供了一种滤波天线，该天线包括天线阵子组件和滤波器,天线阵子组件中包括天线阵子以及与该天线阵子连接的功分电路，滤波器的输入端通过射频连接器与信号收发电路连接，滤波器的输出端与功分电路连接。
需要说明的是，信号校准电路是采集信号收发电路信号幅度和一致性的部件，其校准的目的是补偿信号收发电路和天线连接带来的振幅和相位差；想让各单元天线发送的信号达到预定幅度和相位要求，便需要信号校准电路对其幅度和相位一致性进行实时检测，实 现对幅相偏移进行修正。
本实施例中，滤波天线是与基站设备中的信号收发电路配合工作，将信号校准电路设置到信号收发电路中，起到的作用还是对天线单元发送的信号进行校准。这种方式使滤波天线中不包含信号校准电路，使得装配最简化、成本最低，同时达到天线小型化和轻量化的目的。
需要说明的是，信号收发电路中设置有低通滤波功能的结构，低通滤波功能可以使低频信号能正常通过，而超过设定临界值的高频信号则被阻隔、减弱。
在一具体实施例中，具体如图2所示，该滤波天线包括天线阵子组件13、天线反射板12以及滤波器11，天线阵子组件13中包括天线阵子131以及与该天线阵子131连接的功分电路(132。
本实施例中，功分电路132和滤波器11中还分别设置有低通滤波功能的结构，低通滤波功能可以使低频信号能正常通过，而超过设定临界值的高频信号则被阻隔、减弱。
需要说明的是，滤波天线组件的排列方式可以为水平排列，具体参见图3所示，也可以为垂直排列，具体参见图2所示；通过滤波天线组件排列方式的不同，可以组成16通道、32通道、64通道滤波天线……16×N通道滤波天线(N为大于等于1的整数)。
天线反射板12包括但不限于金属反射板、具有金属镀层的塑料板等，起到定向天线反射面以及支撑的作用。本实施例中，天线阵子组件13与滤波器11设置于天线反射板12相对的两个面上，将天线反射板12上设置有天线阵子组件13的面称为正面。
天线阵子131用于天线向外辐射能量，天线阵子131设置于天线反射板12正面。具体的，可以通过螺钉、卡接等方式固定于天线反射板12正面上，且多个天线阵子131在天线反射板12的正面可呈阵列排布。功分电路132起到调整信号幅度和相位的作用，其与天线阵子131连接，也设置于天线反射板12正面上。应该理解的是，天线阵子组件13可以包含多个天线阵子131和功分电路132。
本实施例中，天线阵子131以及与该天线阵子131连接的功分电路132可集成到一个载体上，例如PCB板、塑料板等，载体的形状可与天线反射板12的形状相匹配。
滤波器11设置于天线反射板12背面，具体的，可以通过螺钉、卡接等方式固定于天线反射板12背面上，滤波器11的输出端与功分电路132连接，滤波器11的输入端通过射频连接器与信号收发电路连接。需要说明的是，本实施例中的滤波器为双通道滤波器。
本实施例中，天线反射板12上还设置有连接通孔，滤波器11的输出端通过天线反射板12上的连接通孔121与功分电路132连接。
应当理解的是，滤波器11的输出端与功分电路132连接的方式有很多。本实施例中采用的是将滤波器11的输出端设置为导电探针111穿过天线反射板12上的连接通孔121与功分电路132连接的方式来实现，还需要说明的是，本实施例中的导电探针111有两个功能，一个是作为滤波器11的输出端，另一个作为是滤波器11输出端与天线阵子组件的 功分网络132的连接部件。这种方式可节省一半数量的射频连接器，且连接方式简单。
本发明实施例提供的一种滤波天线，通过将滤波天线的架构简单化，天线阵子组件和滤波器通过导电探针连接，这种连接方式简单，易装配；同时将信号校准电路设置于信号收发电路内，使得滤波天线不包含信号校准电路，使得滤波天线总体架构简单化，减少成本，同时减少天线尺寸，实现小型化。
实施例二：
上述实施例中提供了一种滤波天线，该天线包括天线阵子组件和滤波器,天线阵子组件中包括天线阵子以及与该天线阵子连接的功分电路，滤波器的输入端通过射频连接器与信号收发电路连接，滤波器的输出端与功分电路连接。基于上述实施例提出的一种滤波天线架构，1个天线阵子和1个双通道滤波器可组成一个2通道滤波天线组件。滤波天线包括16通道、32通道、64通道滤波天线……16×N通道滤波天线(N为大于等于1的整数)。下面以16通道、32通道、64通道滤波天线作为示例，分别做详细说明。
示例一：
请结合图4-6参阅，本实施例提供了一种16通道滤波天线。具体的，16通道滤波天线包括8×12天线阵子组件13以及16通道滤波器11。需要说明的是，8×12天线阵子组件13中，8代表天线阵子组件的列数，即有8个双极化天线阵列，每个双极化阵列有2个天线通道，所以8个双极化阵列有16个天线通道。16通道滤波器11有8个滤波器，每个滤波器有2个输出端口与一个双极化天线阵列连接。
由于8×12天线阵子组件13中，8代表天线阵子组件的列数，12代表天线阵子组件的行数。本实施例中，可以设计一个8×12的大型组件，也可以使用小型组件组成8×12阵列。具体的，参见图6所示，13-a表示一个1×3的天线阵子组件，使用32个1×3天线阵子组件13-a可以组成一个8×12天线阵列。13-b表示一个8×3天线阵子组件，使用4个8×3天线阵子组件13-b可以组成一个8×12阵列。13-c表示一个8×6天线阵子组件，使用2个8×6天线阵子组件13-c可以组成一个8×12阵列。需要说明的是，根据实际情况灵活选用天线阵子组件的形式，但不限于上述几种。
同样的，滤波器的选择形式也是多样的。具体的，请参见图7所示，11为16通道滤波器，有8个双通道滤波器。具体的,可以设计一个16通道滤波器，也可以设计2通道、4通道、6通道等滤波器，组合形成16通道滤波器。例如，11-a表示一个2通道滤波器，使用8个2通道滤波器11-a可以组成16通道滤波器。11-b表示一个4通道滤波器，使用4个4通道滤波器11-b可以组成16通道滤波器。需要说明的是，根据实际情况灵活选用滤波器的形式，但不限于上述几种。
本实施例中，天线反射板12起到承载和定向天线所需反射面作用。应当理解的是，天线阵子组件13和滤波器11包括但不限于可以通过螺钉、卡接等方式固定于天线反射板12上。例如，采用螺钉的方式进行固定时，在天线反射板12加工出天线阵子组件13和滤波 器11所需孔位，孔位与螺钉相配合用于固定天线阵子组件13和滤波器11。
本实施例中，天线反射板12上还设置有连接通孔121，滤波器11的输出端通过天线反射板12上的连接通孔121与功分电路132连接。需要说明的是，滤波器11的输出端与功分电路132连接的方式有很多，本实施例中将滤波器11的输出端设置为导电探针111，通过导电探针111与功分电路132实现连接。
具体的，在滤波器11的输出端设置为导电探针111，导电探针111穿过天线反射板12上相应位置的连接通孔121与天线阵子组件13的功分电路132连接。
需要说明的是，导电探针111有两个功能，一个是作为滤波器11的输出端，另一个作为是滤波器11输出端与天线阵子组件的功分电路132的连接部件。这种方式可节省一半数量的射频连接器，且连接方式简单。
示例二：
请结合图7参阅，本实施例提供了一种32通道滤波天线。具体的，32通道滤波天线包括8×12天线阵子组件13以及32通道滤波器11。
需要说明的是，由于要支持32通道，所以将8×12天线阵子组件分为上下对称的两个8×6阵列，每个8×6阵列支持16通道，由两个8×6阵列组成32通道滤波天线；32通道滤波器11包括16个滤波器单元，由于要支持32通道，所以将16个滤波器分为上下对称的2组8个滤波器，每个滤波器支持2个通道，由上下2组8个滤波器组成32通道滤波器。
应当理解的是，本示例与上述示例的区别仅在于滤波天线实现传输信号的通道数量的不同，其余皆同上述示例，此处不再赘述。
示例三：
请结合图8参阅，本实施例还提供了一种64通道滤波天线。具体的，64通道滤波天线包括8×12天线阵子组件13以及64通道滤波器11。
需要说明的是，由于要支持64通道，所以将8×12天线阵子组件13分为上下对称的4个8×3阵列，每个8×3阵列支持16通道，由4个8×3阵列组成64通道天线；64通道滤波器11包括32个滤波器单元，由于要支持64通道，所以将32个滤波器分为上下对称的4组8个滤波器，每个滤波器支持2个通道，由上下4组8个滤波器组成64通道滤波器。
应当理解的是，本示例与上述示例的区别仅在于滤波天线实现传输信号的通道数量的不同，其余皆同上述示例，此处不再赘述。
本发明实施例在滤波天线最小单元的基础上提供了多通道滤波天线，通过将天线阵子组件和滤波器进行不同的排列组合实现多通道滤波天线，可拓展性强，方便更灵活地运用；天线阵子组件和滤波器通过导电探针连接，这种连接方式简单，易装配；同时将信号校准 电路设置于信号收发电路内，使得滤波天线不包含信号校准电路，使得滤波天线总体架构简单化，减少成本，同时减少天线尺寸，实现小型化。
实施例三：
为了进一步实现大规模阵列天线的小型化和轻量化需求，在上述实施例的基础上，本发明实施例提出了一种一体化滤波天线，将滤波天线的各个功能集成到一个模块上。
请参见图9所示，该一体化滤波天线包括天线阵子组件13，反射层122以及滤波器11，将天线阵子组件13，反射层122以及滤波器11集成到一个载体上。
需要说明的是，载体包括但不限于塑料板、金属板以及PCB板等。本实施例中以载体为塑料板做进一步详细说明。
本实施例中，可以使用塑料注塑成型，并通过在塑料板表面加工出金属层实现滤波天线的各个功能，在塑料板表面加工出金属层包括但不限于电镀、热喷涂、离子镀等加工工艺。具体的，在塑料表面通过塑料电镀工艺加工出天线阵子131的辐射面及功分电路、反射面、滤波器，塑料板上还设置有连接通孔133，该连接通孔从功分电路直通到滤波器内部。需要说明的是，本实施例中的塑料板加工有反射层122可以实现与上述实施例中天线反射板12的作用，因此本实施例中塑料板可以作为天线反射板12。
需要说明的是，连接通孔133内壁通过设置导电层实现功分电路与滤波器的连接，该导电层与上述实施例中的导电探针111所起的作用是一样的，既可以作为滤波器11的输出端，也可以作为是滤波器11输出端与功分电路132的连接部件。具体的，该导电层可以为金属层，该金属层的加工工艺包括但不限于电镀、热喷涂、离子镀等。
本实施例中，滤波器包括但不限于带通滤波器、介质滤波器、波导滤波器、同轴滤波器、腔体滤波器等。下面以腔体滤波器为例进行详细说明。
具体的，腔体滤波器包括腔体主体以及罩设腔体的盖板113，盖板113上设置有调谐螺母，将腔体滤波器的主体通过采用电镀工艺加工在天线的背面，并与天线反射层122背面构成一体结构的腔体。需要说明的是，塑料板上设置有功分电路与天线阵子13的称为天线正面，滤波器11则设置在天线的背面。
本实施例中，滤波天线是与基站设备中的信号收发电路配合工作，将信号校准电路设置到信号收发电路中，起到的作用还是对天线单元发送的信号进行校准。这种方式使滤波天线中不包含信号校准电路，使得装配最简化、成本最低，同时达到天线小型化和轻量化的目的。
本发明实施例提供的一种一体化滤波天线，通过将天线阵子组件和滤波器集成到一个模块上，天线阵子组件和滤波器通过导电探针连接，降低了结构复杂度和连接复杂度，还可以大幅度提高滤波天线的集成度；同时将信号校准电路设置于信号收发电路内，使得滤波天线不包含信号校准电路，使得滤波天线总体架构简单化，减少成本，同时减少天线尺寸，实现小型化。
实施例四：
上述实施例中提供了一种一体化滤波天线，该滤波天线包括天线阵子组件和滤波器,将天线阵子组件和滤波器集成到一个模块上。基于上述实施例提出的一种一体化滤波天线架构，通过将一体化滤波天线进行组阵使用，可以组成16通道、32通道、64通道一体化滤波天线……16×N通道一体化滤波天线(N为大于等于1的整数)。下面以16通道、32通道、64通道一体化滤波天线作为示例，分别做详细说明。
示例一：
请参见图10所示，本实施例提供了一种16通道一体化滤波天线。具体的，16通道滤波天线包括8×12天线阵子组件13以及16通道滤波器11。需要说明的是，8×12天线阵子组件13中，8代表天线阵子组件的列数，即有8个双极化天线阵列，每个双极化阵列有2个天线通道，所以8个双极化阵列有16个天线通道。本实施例中，每个滤波器为双通道滤波器，16通道滤波器11则有8个滤波器，每个滤波器有2个输出端口与一个双极化天线阵列连接。
本实施例中，将天线阵子组件13、滤波器11以及反射层122加工集成到一个载体上，需要说明的是，载体包括但不限于塑料板、金属板以及PCB板等。本实施例中以载体为塑料板做进一步详细说明。
本实施例中，可以使用塑料注塑成型，并通过在塑料板表面加工出金属层实现滤波天线的各个功能，在塑料板表面加工出金属层包括但不限于电镀、热喷涂、离子镀等加工工艺。具体的，在塑料表面通过塑料电镀工艺加工出8×12天线阵子131的辐射面及功分电路、反射面122、8个滤波器11，塑料板上还设置有连接通孔133，该连接通孔从功分电路直通到滤波器内部；塑料板表面设置有天线阵子的辐射面，功分电路与天线阵子的辐射面设置在同一表面，并与天线阵子连接。本实施例中，将设置有天线阵子的辐射面与功分电路的塑料板表面称为天线正面，滤波器11则设置在天线背面。需要说明的是，本实施例中的塑料板加工有反射层122可以实现与上述实施例中天线反射板12的作用。
本实施例中，连接通孔133内壁通过设置导电层实现功分电路与滤波器的连接，该导电层与上述实施例中的导电探针所起的作用是一样的，既可以作为滤波器11的输出端，也可以作为是滤波器11输出端与功分电路132的连接部件。具体的，该导电层可以为金属层，该金属层的加工工艺包括但不限于电镀、热喷涂、离子镀等。
本实施例中，滤波天线是与基站设备中的信号收发电路配合工作，将信号校准电路设置到信号收发电路中，起到的作用还是对天线单元发送的信号进行校准。这种方式使滤波天线中不包含信号校准电路，使得装配最简化、成本最低，同时达到天线小型化和轻量化的目的。
示例二：
请参见图11所示，本实施例提供了一种32通道一体化滤波天线。具体的，32通道滤 波天线包括8×12天线阵子组件13以及32通道滤波器11。
需要说明的是，由于要支持32通道，所以将8×12天线阵子组件13分为上下对称的两个8×6阵列，每个8×6阵列支持16通道，由两个8×6阵列组成32通道滤波天线；32通道滤波器11包括16个滤波器单元，由于要支持32通道，所以将16个滤波器分为上下对称的2组8个滤波器，每个滤波器支持2个通道，由上下2组8个滤波器组成32通道滤波器。
应当理解的是，本示例与上述示例的区别仅在于滤波天线实现传输信号的通道数量的不同，其余皆同上述示例，此处不再赘述。
示例三：
请参见图12所示，本实施例还提供了一种64通道一体化滤波天线。具体的，64通道滤波天线包括8×12天线阵子组件13以及64通道滤波器11。
需要说明的是，由于要支持64通道，所以将8×12天线阵子组件13分为上下对称的4个8×3阵列，每个8×3阵列支持16通道，由4个8×3阵列组成64通道天线；64通道滤波器11包括32个滤波器单元，由于要支持64通道，所以将32个滤波器分为上下对称的4组8个滤波器，每个滤波器支持2个通道，由上下4组8个滤波器组成64通道滤波器。
应当理解的是，本示例与上述示例的区别仅在于滤波天线实现传输信号的通道数量的不同，其余皆同上述示例，此处不再赘述。
本发明实施例在一体化滤波天线最小单元的基础上提供了多通道一体化滤波天线，通过将天线阵子组件和滤波器集成到一个模块并进行不同的排列组合实现多通道滤波天线，可拓展性强，方便更灵活地运用；天线阵子组件和滤波器通过导电层连接，降低了结构复杂度和连接复杂度，模块化设计还可以大幅度提高滤波天线的集成度；同时将信号校准电路设置于信号收发电路内，使得滤波天线不包含信号校准电路，使得滤波天线总体架构简单化，减少成本，同时减少天线尺寸，实现小型化。
实施例五：
本发明实施例基于上述实施例的滤波天线，提出了一种基站设备通信方法，基站设备包括信号收发电路以及如上述实施例所述的滤波天线，基站设备的通信方法具体如下：
步骤1、通过信号收发电路内的信号校准电路对信号收发电路进行校准。
天线在工作之前，首先要进行校准，校准完成后，天线就可以工作了。
需要说明的是，天线是利用相干信号在空间叠加达到增大发射功率和接收增益的目的，要达到这个目的要控制信号收发电路和天线连接带来的振幅和相位差，因此通过信号校准电路对采集信号进行校准，使得各单元天线发送的信号达到预定幅度和相位要求，同时，还需要信号校准电路对其幅度和相位一致性进行实时检测，实现对幅相偏移进行修正。本 实施例中天线校准的具体方式可以灵活选择，在这里不做限制。
本实施例中，信号校准电路设置在信号收发电路内并不影响其对滤波天线信号的校准，滤波天线中不包含信号校准电路，使得装配最简化、成本最低，同时达到天线小型化和轻量化的目的。
步骤2、通过滤波天线接收上行信号，并发给信号收发电路进行解析处理，以及通过信号收发电路对待发送的下行信号进行处理后，通过滤波天线外发。
天线校准工作完成后，天线就可以工作了，天线工作时，校准电路就不再发挥作用。
本实施例中，通过校准电路将通信通道校准好之后，滤波天线就可以进行信号的接收和发送了。滤波器11的输入端是通过射频连接器与信号收发电路连接，滤波器11的输出端与功分电路132连接，功分电路132与天线阵子131连接。具体的，信号收发电路的发射端发出的下行信号经过射频连接器进入到滤波器11，经滤波器11滤除杂波后从滤波器11输出端进入功分电路132，由天线阵子131向空间辐射；同时，滤波天线还可以接收上行信号，并发给信号收发电路进行解析处理。
本发明实施例提供一种基站设备通信方法，通过通过信号收发电路内的信号校准电路对信号收发电路进行校准，校准后通过滤波天线接收上行信号，并发给信号收发电路进行解析处理，以及通过信号收发电路对待发送的下行信号进行处理后，通过滤波天线外发，这种方法将信号校准电路设置于信号收发电路内，使得滤波天线不包含信号校准电路，使得滤波天线总体架构简单化，减少成本，同时减少天线尺寸，实现小型化。
本发明的有益效果是：
根据本发明实施例提供的滤波天线以及基站设备，通过将天线阵子组件和滤波器模块化设计，同时将信号校准电路设置于信号收发电路内，使得滤波天线不包含信号校准电路，使得滤波天线装配最简化、成本最低，同时达到天线小型化和轻量化的目的。
以上内容是结合具体的实施方式对本发明实施例所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (10)

  1. 一种滤波天线，包括天线阵子组件(13)和滤波器(11),所述天线阵子组件(13)包括天线阵子(131)以及与该天线阵子(131)连接的功分电路(132)，所述滤波器(11)的输入端通过射频连接器与信号收发电路连接，所述滤波器(11)的输出端与所述功分电路(132)连接，所述信号收发电路内设置有信号校准电路，用于对信号进行校准。
  2. 如权利要求1所述的滤波天线，其中，还包括用于承载所述天线阵子组件(13)以及滤波器(11)的天线反射板(12)，所述天线反射板(12)用于定向天线反射，所述天线阵子组件(13)与所述滤波器(11)设置于所述天线反射板(12)相对的两个面上。
  3. 如权利要求2所述的滤波天线，其中，所述天线反射板(12)上设置有连接通孔(121)，所述滤波器(11)的输出端通过所述连接通孔(121)与所述功分电路(132)连接。
  4. 如权利要求3所述的滤波天线，其中，所述滤波器(11)的输出端为导电结构。
  5. 如权利要求4所述的滤波天线，其中，所述导电结构为导电探针(111)，所述导电探针(111)穿过所述天线反射板(12)上的连接通孔(121)与所述功分电路(132)连接。
  6. 如权利要求4所述的滤波天线，其中，所述导电结构为连接通孔(133)内壁设置的导电层，所述滤波器(11)通过导电层与所述功分电路(132)连接。
  7. 如权利要求1所述的滤波天线，其中，所述功分电路(132)设置带有低通滤波功能的结构。
  8. 如权利要求1所述的滤波天线，其中，所述滤波器(11)和所述信号收发电路中设置带有低通滤波功能的结构。
  9. 一种基站设备，包括信号收发电路和如权利要求1-8任一项所述滤波天线，所述信号收发电路与所述滤波天线连接。
  10. 一种如权利要求9所述的基站设备的通信方法，包括：
    通过所述信号收发电路内的信号校准电路对所述信号收发电路进行校准；
    通过所述滤波天线接收上行信号，并发给所述信号收发电路进行解析处理，以及通过所述信号收发电路对待发送的下行信号进行处理后，通过所述滤波天线外发。
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CN112152691A (zh) 2020-12-29
CN112152691B (zh) 2023-01-31
EP3979518A4 (en) 2022-07-20

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