WO2008145037A1 - Dispositif de réseau d'alimentation, sous-système d'alimentation aérien et système de stations de base - Google Patents

Dispositif de réseau d'alimentation, sous-système d'alimentation aérien et système de stations de base Download PDF

Info

Publication number
WO2008145037A1
WO2008145037A1 PCT/CN2008/070793 CN2008070793W WO2008145037A1 WO 2008145037 A1 WO2008145037 A1 WO 2008145037A1 CN 2008070793 W CN2008070793 W CN 2008070793W WO 2008145037 A1 WO2008145037 A1 WO 2008145037A1
Authority
WO
WIPO (PCT)
Prior art keywords
wide
coupler
network device
multilayer
output
Prior art date
Application number
PCT/CN2008/070793
Other languages
English (en)
Chinese (zh)
Inventor
Xianzhi Xiong
Wenxin Yuan
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to EP08009515.1A priority Critical patent/EP1995821B1/fr
Priority to US12/126,564 priority patent/US7839235B2/en
Priority to ES08009515.1T priority patent/ES2625877T3/es
Publication of WO2008145037A1 publication Critical patent/WO2008145037A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • 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
    • H01Q3/30—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 varying the relative phase between the radiating elements of an array
    • H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/40—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 varying the relative phase between the radiating elements of an array by electrical means with phasing matrix

Definitions

  • Feed network device antenna feeder subsystem and base station system
  • the present invention relates to the field of communications, and in particular, to a feeder network device, an antenna feeder subsystem, and a base station system.
  • smart antenna technology can generate spatial directional beam according to the difference of signal space characteristics among mobile users, so that the main beam of the antenna is aligned with the direction of arrival of the user signal, and the side lobes are aligned with the arrival direction of the interference signal.
  • the antenna gain of the uplink and downlink is greatly improved, the transmission power level is lowered, the signal-to-noise ratio is improved, and the channel fading is effectively overcome.
  • the antenna since the antenna is directed to the user, interference between cell users and neighboring cell users is reduced and multipath effects are reduced.
  • the feeder network device is the antenna feeder subsystem of the third generation mobile communication system base station system.
  • the main component of the antenna feeder subsystem is connected to the duplexer of the base station system.
  • the antenna feeder subsystem includes a feeder network device, a power divider and an antenna array connected in sequence.
  • the signal beam transmitted by the base station system transmitter TX (Transmitter) is sent to the antenna array through the beamformed signal to provide power to the array antenna unit, so that the antenna generates multiple independent spatial directional beams, so that the superimposed electromagnetic waves are generated. Has a good directionality.
  • the user can transmit and receive in a limited direction area, which greatly increases the communication coverage distance and system capacity, improves the spectrum utilization rate, reduces the base station transmission power, saves system cost, and reduces Inter-signal interference and electromagnetic environment pollution.
  • the receiver RX Receiveiver
  • the receiver RX also uses a plurality of independent antennas, it can enhance the receiving sensitivity in a desired direction and suppress signals in an undesired direction.
  • a Butler matrix structure is often used to implement a feed network device.
  • a Butler matrix structure is a passive reciprocal circuit that includes several couplers and phase shifting elements.
  • the coupler is a passive device with dual input and double output.
  • the prior art utilizes a 3dB branch line directional coupler to implement a feeder network device of equal amplitude output according to a standard Butler matrix topology structure.
  • the feeder network device mainly consists of four 3dB branch line directional couplers and two 45 degree transmission line phase shifters. It is formed on the printed circuit board PCB (Printed Circuit Board).
  • the 3dB branch line directional coupler is a coupler with equal amplitude output. The input signal is equalized by the 3dB branch line directional coupler and the two output signals are half of the input signal.
  • Figure 2 shows the topology diagram of the feeder network device implemented by the 3dB branch line directional coupler.
  • the output pinl of the 3dB branch line directional coupler 201 is directionally coupled to the 3dB branch line via a 45 degree phase shifter 205.
  • the input pin pin3 of the device 202 is connected, and the output pin 2 of the 3dB branch line directional coupler 201 is directly connected to the input pin pin4 of the 3dB branch line directional coupler 203.
  • the 3dB branch line directional coupler 204 and the 45 degree phase shifter 206 It is similar to the connection of the other two 3dB branch line directional couplers.
  • the input pin pin3 enters the 3dB branch line directional coupler 202, and is output from the pins Output1 and Output3 through the 3dB branch line directional coupler 202 respectively; the other part of the signal of the 3dB branch line directional coupler 201 is directly output from the through pin 2
  • the pin pin 4 entering the 3dB branch line directional coupler 203 is output from Output2 and Output4 via the 3dB branch line directional coupler 203.
  • the feeder network device is capable of equally dividing the signal power input from any input terminal into four output terminals.
  • the feeder network device of the equal amplitude output realized by the existing branch line directional coupler uses a branch line directional coupler, and the main line and the branch line of the branch line directional coupler are respectively set.
  • air is used as the medium on one side and printed circuit board as the medium on the other side, resulting in inconsistent dielectric constants around the main line and the branch line, resulting in poor electrical performance of the feeder network device.
  • Embodiments of the present invention provide a feeder network device, an antenna feeder subsystem, and a base station system, which can improve electrical performance of an existing feeder network device.
  • a feeder network device comprising: two first-stage couplers connected in series on a printed circuit board, Two phase shifters and two two-stage couplers, wherein each coupler is a multilayer dielectric wide-side coupler, and the coupling end output signal phase and the through-end output signal of each multi-layer dielectric wide-side coupler The phases are 90 degrees out of phase.
  • An antenna feed subsystem comprising a feed network device, a power splitter and an antenna array connected in sequence; wherein the feed network device is the aforementioned feed network device.
  • a base station system includes a duplexer and an antenna feeder subsystem connected to the duplexer, the antenna feed subsystem comprising a feed network device, a power splitter and an antenna array connected in sequence; wherein The feeder network device is the aforementioned feeder network device.
  • FIG. 1 is a schematic diagram of a location of a feed network device in an existing base station system
  • FIG. 2 is a schematic diagram of a topology of a feeder network device implemented by a 3 dB branch line directional coupler in the prior art
  • FIG. 3 is a schematic diagram of a position of a feeder network device in a base station system according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a feeder network device according to Embodiment 1 of the present invention
  • FIG. 5 is a schematic structural diagram of a feeder network device according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic structural diagram of a feeder network device according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic structural diagram of a feeder network device according to Embodiment 4 of the present invention.
  • FIG. 8 is a schematic structural diagram of a feeder network device according to Embodiment 5 of the present invention.
  • FIG. 9 is a schematic structural diagram of a feeder network device according to Embodiment 6 of the present invention.
  • FIG. 10 is a schematic diagram of a PCB stacking structure of a feed network device according to an embodiment of the present invention.
  • Figure 11 is a plan view of the multilayer dielectric wide-edge coupler structure in the Z-axis direction.
  • Embodiments of the present invention provide a feeder network device for beamforming of an array antenna, wherein the feeder network device is formed by cascaded on a PCB by using a two-stage multilayer wide-band coupler and two phase shifters, each stage including Two identical multilayer dielectric wide-edge couplers, each of which is disposed in a printed circuit board, using a printed circuit board as a medium, and having a uniform dielectric constant, thereby improving the overall feeding network device Electrical performance.
  • the feeder network device provided by the embodiment of the present invention is a main component of the antenna feeder subsystem, and the antenna feeder subsystem includes a feeder network device, a power divider, and an antenna array.
  • the feeder network device is connected between the duplexer and the power splitter, and two sets of the same feed network device can be used in the base station system, respectively, beamforming the main diversity signal, and then sending it through the power splitter
  • the array antenna feeds the array antenna.
  • multilayer dielectric wide-edge couplers When all multilayer dielectric wide-edge couplers are multi-layer dielectric wide-edge couplers with equal-amplitude output, such as 3dB multilayer dielectric wide-edge couplers, the equal-amplitude output of any input signal can be realized;
  • the coupling degree of two multi-layer dielectric wide-side couplers enables one-stage two-layer dielectric wide-edge coupler to be a multi-layer dielectric wide-side coupler with unequal amplitude output, which can realize arbitrary input signals as needed.
  • Unequal output When all multilayer dielectric wide-edge couplers are multi-layer dielectric wide-edge couplers with equal-amplitude output, such as 3dB multilayer dielectric wide-edge couplers, the equal-amplitude output of any input signal can be realized;
  • the coupling degree of two multi-layer dielectric wide-side couplers enables one-stage two-layer dielectric wide-edge coupler to be a multi-layer dielectric wide-side coupler with unequal
  • the output signal phase of the coupling end of the multi-layer dielectric wide-side coupler leads the output signal of the through-end 90 degrees, and with the 45-degree or 90-degree phase shifter, the phase of the four output signals of the feed network can be 45 degrees or 90 degrees. .
  • the feeder network device provided in the first embodiment includes four 3dB multilayer dielectric wide-band couplers (401, 402, 403, 404) and two 45-degree transmission line phase shifters (405, 406). .
  • Two 3dB multilayer dielectric wide-edge couplers (401, 404) form a first-level 3dB multilayer dielectric wide-edge coupler
  • two 3dB multilayer dielectric wide-edge couplers (402, 403) form a second-level 3dB multilayer
  • the dielectric wide-edge coupler, two 45-degree transmission line phase shifters (405, 406) are connected between the two-stage 3dB multilayer dielectric wide-side couplers to form a passive reciprocal circuit structure.
  • the specific connection method is:
  • One input of the first-stage 3dB multilayer dielectric wide-band coupler 401 is a load terminal, which can be connected with a 50-ohm matching resistor 400, and the other end is used as a first input terminal Input1, a coupling end of a 3-level multilayer dielectric wide-side coupler 401.
  • the pinl is connected to the input pin 5 of the second-stage 3dB multilayer dielectric wide-side coupler 403 through a 45-degree phase shifter 405; the through-pin pin 2 of the first-stage 3dB multilayer dielectric wide-side coupler 401 is directly more than the second-order 3 dB
  • the input terminal pin3 of the layer dielectric wide-side coupler 402 is connected;
  • the first-stage 3dB multilayer dielectric wide-side coupler 404 is connected in the same manner as the multi-layer dielectric wide-side coupler 401.
  • One input terminal can be connected as a load terminal to a 50-ohm matching resistor 405, and the other end can be connected as a second input terminal.
  • Input2 the through terminal is directly connected to the input pin 6 of the secondary 3dB multilayer dielectric wide-side coupler 403, and the coupling end is connected to the input terminal pin4 of the secondary 3dB multilayer dielectric wide-side coupler 402 through the 45-degree phase shifter 406;
  • the four output terminals Output2, Output4, Outputl, and 0utput3 of the two secondary 3 dB multilayer dielectric wide-edge couplers are four signal outputs.
  • the input signal of the first input terminal Input1 is taken as an example for description: when the signal is input from Input1 into the first-order 3dB multilayer dielectric wide-side coupler 401, the equal-amplitude output, wherein the signal output by the coupling end pinl After 45 degree phase shifter enters the secondary 3dB multilayer dielectric wide-edge coupler
  • the pin3 of 402 is then equal amplitude from the coupled end of the secondary 3dB multilayer dielectric wide-side coupler 402, Output2 and the output of the straight-through Output4.
  • the two-stage multilayer wide-edge coupler uses a 3dB multilayer dielectric wide-edge coupler, the input signal is equally output to the four output terminals, due to the action of the 45-degree phase shifter and the wide-width of the multilayer dielectric.
  • the coupling end of the coupler has a characteristic of 90 degrees ahead of the output signal of the through-end, and the output signals of the output terminals Output1 - Output - Output - Output 4 are delayed by 45 degrees.
  • the feeder network device provided in the second embodiment includes four 3dB multilayer dielectric wide-band couplers (501, 502, 503, 504) and two 45-degree transmission line phase shifters (505, 506). .
  • Two 3dB multilayer dielectric wide-edge couplers (501, 504) form a first-level 3dB multilayer dielectric wide-edge coupler
  • two 3dB multilayer dielectric wide-edge couplers (502, 503) form a second-level 3dB multilayer
  • the dielectric wide-edge coupler, two 45-degree transmission line phase shifters (505, 506) are connected between the two-stage 3dB multilayer dielectric wide-side couplers to form a passive reciprocal circuit structure.
  • the specific connection method is:
  • One input of the first-stage 3dB multilayer dielectric wide-side coupler 501 is a load terminal, which can be connected to a 50-ohm matching resistor 500, and the other end is used as a first input terminal Input1, a coupling end of a 3-dB multilayer dielectric wide-side coupler 501.
  • the pinl is connected to the input terminal pin3 of the second-stage 3dB multilayer dielectric wide-side coupler through a 45-degree phase shifter 505; the direct-through pin 2 of the first-stage 3dB multilayer dielectric wide-side coupler 501 is directly connected to the secondary 3dB multilayer medium.
  • the input pin 5 of the wide-side coupler 503 is connected;
  • the first-stage 3dB multilayer dielectric wide-side coupler 504 is connected in the same manner as the multi-layer dielectric wide-side coupler 501.
  • One input terminal can be connected as a load terminal to a 50-ohm matching resistor 507, and the other end serves as a second input terminal.
  • Input2 direct connection directly to the secondary 3dB multilayer dielectric wide-edge coupler 502
  • the input terminal pin4 is connected, and the coupling end is connected to the input terminal pin6 of the secondary 3dB multilayer dielectric wide-side coupler 503 through the 45-degree phase shifter 506;
  • the four outputs of the two secondary 3dB multilayer dielectric wide-edge couplers, Outputl, Output2, Output3, and Output4, are four signal outputs in sequence.
  • the input signal of the first input terminal Input1 is taken as an example for description:
  • the equal-amplitude output signal is obtained.
  • the signal outputted by the coupling end pinl enters the pin 3 of the second-level 3dB multi-layer wide-band coupler 502 through the 45-degree phase shifter 505, and then outputs the amplitude from the Output1 and the Output3; the signal outputted by the pin-through terminal 2 directly enters the second-level 3dB.
  • the pin5 of the multilayer dielectric wide-edge coupler 503 is then outputted from Output2 and Output4.
  • the two-stage multilayer wide-edge coupler uses a 3dB multilayer dielectric wide-edge coupler, the input signal is equally output to the four output terminals, due to the action of the 45-degree phase shifter and the wide-width of the multilayer dielectric.
  • the coupling end of the coupler has a characteristic of 90 degrees ahead of the output signal of the through-end, and the output signals of the output terminals Output1 - Output - Output - Output 4 are delayed by 45 degrees.
  • the two-stage multilayer wide-band coupler can be designed as a multi-layer dielectric width with unequal amplitude output by adjusting the coupling degree of the multilayer dielectric wide-side coupler. Side coupler.
  • the specific circuit structure is shown in Figure 6.
  • the first-stage coupler is a multi-layer dielectric wide-edge coupler (601, 604) with two unequal amplitude outputs
  • the second-stage coupler is two 3dB multilayer dielectric wide-edge couplers ( 602, 603), two 45-degree transmission line phase shifters (605, 606) are cascaded between the two-stage couplers, and the specific connection manner is:
  • One input end of the multi-layer dielectric wide-side coupler 601 of the first-order unequal-width output is a load end, which can be connected with a 50-ohm matching resistor 600, and the other end is used as a first input terminal Inputl, a level unequal-width output multilayer dielectric width
  • the coupling end pin1 of the edge coupler 601 is connected to the pin 5 of the second-stage 3dB multilayer dielectric wide-side coupler 603 through a 45-degree phase shifter 605, and the through-end of the multilayer dielectric wide-edge coupler 601 of the first-order unequal-width output.
  • Pin2 is directly connected to the pin 3 of the secondary 3dB multilayer dielectric wide-side coupler 602;
  • the multi-layer dielectric wide-side coupler 604 of the first-order unequal-width output is connected in a similar manner to the multi-layer dielectric wide-side coupler 601.
  • One input terminal is a load terminal, and a 50-ohm matching resistor 607 can be connected, and the other end is connected.
  • the coupling end of the unequal-width output multilayer dielectric wide-side coupler 604 is connected to the pin 4 of the second-level 3dB multilayer dielectric wide-edge coupler 602 through a 45-degree phase shifter 606,
  • the through-end of the unequal-width output multilayer wide-edge coupler 604 is directly coupled to the pin 6 of the secondary 3dB multilayer dielectric wide-edge coupler 603.
  • the four outputs of the two secondary 3 dB multilayer dielectric wide-edge couplers, Output2, Output4, Outputl, and 0utput3, are four signal outputs.
  • the input signal of the first input terminal Input1 is unequal-amplitude output as an example for description: when the signal is input from Input1 into the multi-layer dielectric wide-side coupler 601 of the first-order unequal-width output, the unequal amplitude output signal and ⁇ .
  • the signal X outputted by the coupling end pin1 enters the pin 5 of the second-level 3dB multilayer dielectric wide-side coupler 603 through the 45-degree phase shifter 605, and then is equal to the coupling end of the second-order 3dB multilayer dielectric wide-side coupler 603.
  • the output signal amplitudes of Output1 and 0utput2 are not equal, and the output signals of Outputl and 0utput3 are equal in amplitude, and the output signals of 0utput2 and 0utput4 are equal in amplitude.
  • the coupling degree of the multi-layer dielectric wide-side coupler 601 for adjusting the first-order unequal amplitude output can make the amplitude ratio of the output signals of the 0utput2 and the Output1 satisfy the set ratio. Due to the action of two 45-degree phase shifters and the coupling end of the multilayer dielectric wide-edge coupler, the output signal of the output terminal Outputl-Output2-Output3-Output4 is delayed by 45 degrees. .
  • the output signals of Outputl and 0utput3 are equal in amplitude, and the output signals of 0utput2 and 0utput4 are equal in magnitude, and the output signals of Outputl -Output2-Output3-Output4 are advanced by 45 degrees.
  • the degree of coupling of the multi-layer wide-side coupler 604 of the first-order unequal-amplitude output can be such that the amplitude ratio of the 0utput2 and Outputl output signals satisfies the set ratio.
  • the two-stage multilayer wide-band coupler can be designed as a multi-layer medium with unequal amplitude output by adjusting the coupling degree of the multilayer dielectric wide-side coupler. Wide-edge coupler.
  • the specific circuit structure is shown in Figure 7.
  • the first-stage coupler is a multi-layer dielectric wide-edge coupler (701, 704) with two unequal amplitude outputs
  • the second-stage coupler is two 3dB multilayer dielectric wide-edge couplers ( 702, 703), two 45-degree transmission line phase shifters (705, 706) are cascaded between the two-stage couplers, and the specific connection manner is:
  • One input end of the multi-layer dielectric wide-side coupler 701 of the first-order unequal-width output is a load end, which can be connected with a 50-ohm matching resistor 700, and the other end is used as a first input terminal Inputl, a level unequal-width output multilayer dielectric width
  • the coupling end pin1 of the edge coupler 701 is connected to the pin 3 of the secondary 3dB multilayer dielectric wide-side coupler 702 through a 45-degree phase shifter 705, and the through-end of the multilayer dielectric wide-edge coupler 701 of the first-order unequal-width output.
  • Pin2 is directly connected to the pin 5 of the secondary 3dB multilayer dielectric wide-edge coupler 703;
  • the first-order unequal-output multi-layer dielectric wide-side coupler 704 is connected in a similar manner to the multi-layer dielectric wide-side coupler 701.
  • One input terminal is a load terminal, and a 50-ohm matching resistor 707 can be connected, and the other end is used as a
  • the second input is Input2.
  • the four outputs of the two secondary 3dB multilayer dielectric wide-edge couplers, Outputl, 0utput2, 0utput3, and 0utput4, are four signal outputs in sequence.
  • the input signal of the first input terminal Input1 is unequal-amplitude output as an example for description: when the signal is input from Input1 into the multi-layer dielectric wide-side coupler 701 of the first-order unequal-width output, the output of the unequal amplitude output signal and Hey.
  • the signal X outputted by the coupling end pinl enters the pin 3 of the second-level 3dB multi-layer wide-band coupler 702 through the 45-degree phase shifter 705, and then outputs the amplitude from the Output1 and the 0utput3; the signal Y outputted by the coupling end pin2 directly enters the second
  • the pin 5 of the 3dB multilayer dielectric wide-edge coupler 703 is output from 0utput2 and 0utput4.
  • the output signal amplitudes of Output1 and 0utput2 are not equal, and the output signals of Outputl and 0utput3 are equal in amplitude, and the output signals of 0utput2 and 0utput4 are equal in amplitude.
  • the coupling degree of the multi-layer dielectric wide-side coupler 701 for adjusting the first-order unequal-width output can make the output amplitude ratio of the Output1 and the utput2 output meet the set ratio. Due to the action of two 45-degree phase shifters and the coupling end of the multilayer dielectric wide-edge coupler, the output signal of the output terminal Outputl-Output2-Output3-Output4 is delayed by 45 degrees. .
  • the output signals of Outputl and 0utput3 are equal in amplitude, and the output signals of 0utput2 and 0utput4 are equal in amplitude.
  • the output signal phase of Outputl-Output2-Output3-Output4 is advanced by 45 degrees.
  • the degree of coupling of the multilayer dielectric wide-edge coupler 704 that adjusts the level of the unequal amplitude output allows the Outputl and Output2 output signal amplitude ratios to satisfy a set ratio.
  • the output signal of Outputl-Output2-Output3-Output4-Output1 is advanced by 90 degrees.
  • the specific structure is shown in Figure 8.
  • the feeder network device provided in this embodiment includes four 3dB multilayer dielectric wide-edge couplers (801, 802). , 803, 804), two 90-degree transmission line phase shifters (805, 806).
  • the through-pin pinl of the first-stage 3dB multilayer dielectric wide-side coupler 801 is connected to the pin 3 of the second-level 3dB multilayer dielectric wide-edge coupler 802 through a 90-degree transmission line phase shifter 805, and the first-level 3dB multilayer dielectric wide side
  • the coupling end pin2 of the coupler 801 is directly connected to the pin 5 of the secondary 3dB multilayer dielectric wide-edge coupler 803
  • the through-port pin 7 of the first-stage 3dB multilayer dielectric wide-side coupler 804 passes through a 90-degree transmission line phase shifter 806 and two
  • the pin 4 connection of the 3dB multilayer dielectric wide-edge coupler 802 the coupling end pin 8 of the first 3dB multilayer dielectric wide-side coupler 804 is directly connected to the pin 6 of the secondary 3dB multilayer dielectric wide-edge coupler 803
  • Each of the primary 3dB multilayer dielectric wide-edge couplers has one input terminal for the load terminal, and can be connected with a 50 ohm matching resistor.
  • the four output terminals of the two second-level 3dB multilayer dielectric wide-side couplers are Outputl, 0utput2, 0utput3 and 0utput4 are in turn the output of the feeder network device.
  • the equal-amplitude output signal When the signal is input from Input1 into the primary 3dB multilayer dielectric wide-side coupler 801, the equal-amplitude output signal.
  • the signal output from the through pin pinl enters the pin 3 of the second-level 3dB multi-layer wide-band coupler 802 through the 90-degree transmission line phase shifter 805, and then outputs the amplitude from the output of Output1 and 0utput2; the signal outputted by the pin 2 of the coupling end directly enters the second-order 3dB.
  • the pin5 of the multilayer dielectric wide-edge coupler 803 is then outputted from 0utput3 and 0utput4.
  • the equal-amplitude output signal When the signal is input from Input2 into the primary 3dB multilayer dielectric wide-edge coupler 804, the equal-amplitude output signal.
  • the signal outputted by the coupling end pin8 directly enters the pin 6 of the second-level 3dB multilayer dielectric wide-side coupler 803, and then equal amplitude is output from 0utput3 and 0utput4; the signal outputted by the through-pin 7 is passed through a 90-degree transmission line phase shifter 806 to enter the second stage.
  • the pin 4 of the 3dB multilayer dielectric wide-edge coupler 802 is then output from Output1 and OUTput2.
  • the input signal is equally output to the four output terminals, due to the function of the 90-degree phase shifter and the wide-width of the multilayer dielectric.
  • Coupling The coupling end of the combiner is 90 degrees ahead of the output signal of the through-end, and the output signals of the output terminals Output1-Output2-Output3-Output4 are delayed by 90 degrees.
  • a topology diagram of a feeder network device for realizing unequal amplitude output by using two 90-degree phase shifters the first-order multilayer wide-edge coupler of the feeder network device includes two Multi-layer dielectric wide-edge couplers (901, 904) with unequal amplitude output, two-layer multilayer wide-edge couplers including two 3dB multilayer dielectric wide-edge couplers (902, 903), two 90-degree transmission line shifts
  • the phaser (905, 906) is cascaded between two levels of multilayer dielectric wide-edge couplers.
  • the signal outputted by the through-pin pinl passes through the 90-degree transmission line phase shifter 905 to enter the pin 3 of the second-level 3dB multi-layer dielectric wide-side coupler 902, and then equal amplitude is output from Output1 and Output2; the signal outputted by the coupling end pin2 directly enters the secondary 3dB.
  • the pin 5 of the multilayer dielectric wide-edge coupler 903 is then outputted from Output3 and Output4.
  • the output signal is not equal.
  • the signal outputted by the coupling end pin8 directly enters the pin 6 of the secondary 3dB multilayer dielectric wide-side coupler 903, and then is outputted from Output3 and Output4; the signal output from the through-pin 7 is entered through a 90-degree transmission line phase shifter (906).
  • the pin 4 of the secondary 3dB multilayer dielectric wide-edge coupler 902 is then output from Output1 and Output2.
  • the output signals of OUT1 and OUT2 are equal in amplitude
  • the output signals of OUT3 and OUT4 are equal in amplitude. Adjusting the coupling degree can make OUT1 and OUT3 output signal amplitude ratios Meet the set ratio. Due to the action of the two 90-degree phase shifters and the coupling end of the multilayer dielectric wide-edge coupler, the phase of the output signal of the output terminal Outputl -Output2-Output3-Output4 is delayed by 90 degrees. .
  • the 45° and 90 degrees of the phase difference of the output end of the feeder network device are the design target values, and the actual value may have a certain error within the allowable range.
  • the feeder network device described in the embodiment of the present invention is implemented on a PCB board by a four-layer board stacking scheme, as shown in FIG.
  • the uppermost and lowermost dielectric layers are the first ground layer 1 and the second ground layer 2
  • the two broad-side coupling lines are respectively disposed on the middle two layers
  • the two wide-side coupling lines are all
  • PCB board as the medium, the medium distribution is hooked and the dielectric constant is consistent.
  • the two wide-side coupling lines of each multilayer dielectric wide-edge coupler are substantially X-shaped cross-distributed, so as to avoid the coupling degree deviation caused by machining errors, wherein the two input ends are located in one of the multilayer dielectric wide-side couplers On the side, the two outputs are located on opposite sides of the multilayer dielectric wide-edge coupler. Therefore, the two signal inputs of the feeder network are distributed on the same side of the PCB, and the four outputs are located on the opposite side of the PCB for easy installation and maintenance.
  • the coupler and the phase shifter in the feeder network device provided by the embodiments of the present invention may also be separate devices, and the cascades are implemented through the printed circuit board, and the positions of the devices are flexibly designed according to requirements.
  • the following describes how to implement a multilayer dielectric wide-edge coupler with a 90-degree phase ahead of the output signal of the through-end, and how to adjust the coupling degree of the multilayer dielectric wide-edge coupler during simulation to achieve unequal amplitude output.
  • Multilayer dielectric wide-edge coupler The following describes how to implement a multilayer dielectric wide-edge coupler with a 90-degree phase ahead of the output signal of the through-end, and how to adjust the coupling degree of the multilayer dielectric wide-edge coupler during simulation to achieve unequal amplitude output.
  • Figure 11 is a top plan view of two coupled wide-edge coupled lines of a multilayer dielectric wide-edge coupler in the Z-axis direction.
  • the output end signal of the multi-layer dielectric wide-side coupler is advanced by 90 degrees from the output signal of the through-end, in each of the above
  • two fixed 45-degree or 90-degree phase shifters are connected between the two-stage couplers, so that the entire feeder network device is for signals input from Input1 or Input2. , can have the characteristics of the adjacent output signal to maintain a 45 degree or 90 degree phase difference.
  • the adjustment of the coupling degree of the first and second multi-layer dielectric wide-side couplers can be realized by adjusting the area of the overlapping area projected by the two intersecting coupling lines between the second and third layers in the Z-axis direction.
  • the two wide-side coupled lines are respectively symmetrical structures, such as Z-shaped or stepped structures, which are generally X-shaped in space and can be coupled at two wide sides.
  • Z-shaped or stepped structures which are generally X-shaped in space and can be coupled at two wide sides.
  • the multi-layer dielectric wide-edge coupler uses PCB board as the medium to improve the electrical performance indexes of the feeder network device.
  • the wide-side coupling further improves the electrical performance indicators of the feeder network device. For example, extremely high input and output port isolation, low insertion loss, good port standing wave characteristics, and excellent output signal power flatness and wide bandwidth.
  • the area of the feeder network device is also reduced, and the cost is saved. It can also avoid the influence of machining error on the coupling degree, so that the consistent performance of the machining is well guaranteed, and the welding and assembly are convenient, which is more conducive to mass production.
  • the input end and the output end are respectively distributed on the same side of the PCB, which is convenient for installation and maintenance.
  • the corresponding circuit can be designed on the same size PCB board according to the equal or unequal amplitude output required by the operation requirements of the feeder network device and the specific phase deviation, so that the entire feed can be made.
  • the functions of the electrical network device are more flexible, of which:
  • Output, Output2, Output3, Output4 can achieve equal-amplitude output, only need to set the primary coupler to 3dB multilayer dielectric wide-band coupler;
  • the amplitude can be outputted by equal amplitude or unequal amplitude, and the phase of the adjacent output terminal signals are sequentially and constant. 45 or 90 degree deviation (ie beamforming).
  • the coupler of the feeder network device uses the multi-layer dielectric wide-side coupler, and the multi-layer dielectric wide-side coupler is disposed in the PCB board, and all of the PCB boards are used as the medium, and the medium is evenly distributed.
  • the electrical constants are the same.
  • the multi-layer dielectric wide-side coupler is used in the feeder network device of the embodiment of the present invention, the two wide-side coupled lines of the multi-layer dielectric wide-side coupler respectively adopt a symmetrical structure, such as a zigzag or a ladder
  • the shape structure is substantially X-shaped in space. Therefore, when there is a relative offset between the two wide-side coupling lines (caused by PCB processing error), the above-mentioned multi-layer wide-side coupling line is in the feeder network device.
  • the area of the overlap region projected by the surface of the PCB does not change, thereby avoiding the coupling degree deviation of the coupler.
  • embodiments of the present invention improve the electrical performance of the feeder network device and enable the antenna feeder subsystem and the base station system Electrical performance is improved.
  • the input end of the feeder network device is connected to the duplexer (beam port), and the output end and the input end of the power splitter By connecting the beam, it can provide multiple different narrow beams for the antenna array, increase the system capacity, improve the spectrum utilization and receiver sensitivity, reduce the base station transmit power, save the system cost, and benefit the network. Smooth expansion.
  • the embodiment of the present invention realizes a feeder network device with good electrical performance, convenient processing and assembly, small occupied area, and low cost, and can adjust the coupling degree of the primary coupler during design.
  • the entire feeder network device can output signals of the same amplitude or different amplitudes for any one input signal, and the signal phase difference of adjacent output terminals is constant at 45 degrees or 90 degrees for various application requirements, thereby flexibly performing various beamforming. , to meet the different application needs of the system. It is within the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and modifications

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

L'invention concerne un dispositif de réseau d'alimentation, un sous-système d'alimentation aérien et un système de stations de base. Ledit dispositif de réseau d'alimentation inclut deux coupleurs primaires, deux déphaseurs et deux coupleurs secondaires réunis sur une carte à circuit imprimé. Ses caractères sont que chaque coupleur est utilisé comme coupleur à rayonnement transversal de support multicouche ou la phase du signal en sortie de la borne couplée de chaque coupleur à rayonnement transversal de support multicouche diffère de 90 degrés de la phase du signal en sortie d'une borne directe.
PCT/CN2008/070793 2007-05-24 2008-04-24 Dispositif de réseau d'alimentation, sous-système d'alimentation aérien et système de stations de base WO2008145037A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08009515.1A EP1995821B1 (fr) 2007-05-24 2008-05-23 Dispositif d'alimentation, sous-système d'alimentation d'antenne, et système de station de base
US12/126,564 US7839235B2 (en) 2007-05-24 2008-05-23 Feed network device, antenna feeder subsystem, and base station system
ES08009515.1T ES2625877T3 (es) 2007-05-24 2008-05-23 Dispositivo de red de alimentación, subsistema de alimentación de antenas y sistema de estación base

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710107679.4 2007-05-24
CN2007101076794A CN101051860B (zh) 2007-05-24 2007-05-24 一种馈电网络装置、天馈子系统和基站系统

Publications (1)

Publication Number Publication Date
WO2008145037A1 true WO2008145037A1 (fr) 2008-12-04

Family

ID=38783080

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/070793 WO2008145037A1 (fr) 2007-05-24 2008-04-24 Dispositif de réseau d'alimentation, sous-système d'alimentation aérien et système de stations de base

Country Status (3)

Country Link
CN (1) CN101051860B (fr)
ES (1) ES2625877T3 (fr)
WO (1) WO2008145037A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800006163A1 (it) * 2018-06-08 2019-12-08 Rete di ripartizione a radiofrequenza riconfigurabile
EP3726644A4 (fr) * 2017-12-11 2021-01-27 Sony Semiconductor Solutions Corporation Circuit à matrice de butler, antenne réseau à éléments en phase, module frontal et terminal de communication sans fil

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2359438B1 (fr) 2008-11-20 2019-07-17 CommScope Technologies LLC Antenne sectorielle double faisceau et réseau associé
CN102055506B (zh) * 2010-12-23 2013-11-20 西安三元达海天天线有限公司 Td-scdma及td-lte智能天线多通道宽带校准网络
CN103700952B (zh) * 2012-09-28 2016-08-31 中国电信股份有限公司 阵列天线和基站
CN104969414B (zh) * 2013-02-08 2019-02-19 霍尼韦尔国际公司 用于线性天线阵列的集成带状线馈送网络
CN103515700B (zh) * 2013-09-27 2016-01-13 北京邮电大学 一种rfid天线
CN103501204B (zh) * 2013-10-08 2016-01-27 上海航天测控通信研究所 一种x波段输出功率遥测采集装置
CN106602279A (zh) * 2016-11-08 2017-04-26 华南理工大学 双波束天线系统
CN110838621B (zh) * 2019-11-19 2020-11-20 北京邮电大学 多波束天线馈电装置及方法
CN113659337B (zh) * 2020-05-12 2024-06-07 西安电子科技大学 天线装置、电子设备和用于天线装置的去耦方法
CN112086735B (zh) * 2020-09-10 2023-09-08 浙江金乙昌科技股份有限公司 内部集成放大电路的微带功分电路
WO2022120857A1 (fr) * 2020-12-11 2022-06-16 华为技术有限公司 Antenne de station de base et dispositif de station de base
CN115275554B (zh) * 2021-04-29 2023-11-21 中国电子科技集团公司第三十六研究所 一种3dB定向耦合器
CN114447555A (zh) * 2021-08-12 2022-05-06 荣耀终端有限公司 一种宽频耦合器、电路板和电子设备
CN113708083B (zh) * 2021-08-30 2022-11-08 湖南国科雷电子科技有限公司 一种宽带可重构天线馈电系统及电子设备
CN114024118B (zh) * 2021-11-08 2023-03-31 中国电子科技集团公司第九研究所 一种组合电桥方式形成的功分网络
CN115458891A (zh) * 2022-09-01 2022-12-09 成都众志天成科技有限公司 一种平面微带和差网络

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1166238A (zh) * 1995-08-09 1997-11-26 夸尔柯姆股份有限公司 4螺旋线螺旋天线和馈电网络
CN2387637Y (zh) * 1999-06-29 2000-07-12 深圳市中兴通讯股份有限公司 移动通讯基站天馈装置
US6788272B2 (en) * 2002-09-23 2004-09-07 Andrew Corp. Feed network
CN1567648A (zh) * 2003-07-01 2005-01-19 华为技术有限公司 多层介质宽边耦合器
CN1968461A (zh) * 2006-05-24 2007-05-23 华为技术有限公司 一种共天馈方法及系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2158649B (en) * 1984-05-09 1987-07-15 Stc Plc A 16-port wideband butler matrix
CN100488091C (zh) * 2003-10-29 2009-05-13 中兴通讯股份有限公司 应用于cdma系统中的固定波束成形装置及其方法
US7263334B2 (en) * 2003-10-31 2007-08-28 Nokia Corporation Directional coupler for use in VCO unequal power splitting

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1166238A (zh) * 1995-08-09 1997-11-26 夸尔柯姆股份有限公司 4螺旋线螺旋天线和馈电网络
CN2387637Y (zh) * 1999-06-29 2000-07-12 深圳市中兴通讯股份有限公司 移动通讯基站天馈装置
US6788272B2 (en) * 2002-09-23 2004-09-07 Andrew Corp. Feed network
CN1567648A (zh) * 2003-07-01 2005-01-19 华为技术有限公司 多层介质宽边耦合器
CN1968461A (zh) * 2006-05-24 2007-05-23 华为技术有限公司 一种共天馈方法及系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3726644A4 (fr) * 2017-12-11 2021-01-27 Sony Semiconductor Solutions Corporation Circuit à matrice de butler, antenne réseau à éléments en phase, module frontal et terminal de communication sans fil
US11374318B2 (en) 2017-12-11 2022-06-28 Sony Semiconductor Solutions Corporation Butler matrix circuit, phased array antenna, front-end module, and wireless communication terminal
IT201800006163A1 (it) * 2018-06-08 2019-12-08 Rete di ripartizione a radiofrequenza riconfigurabile
WO2019234720A1 (fr) * 2018-06-08 2019-12-12 Universita' Degli Studi Di Perugia Réseau de distribution radiofréquence reconfigurable

Also Published As

Publication number Publication date
CN101051860A (zh) 2007-10-10
CN101051860B (zh) 2010-08-04
ES2625877T3 (es) 2017-07-20

Similar Documents

Publication Publication Date Title
WO2008145037A1 (fr) Dispositif de réseau d'alimentation, sous-système d'alimentation aérien et système de stations de base
EP1995821B1 (fr) Dispositif d'alimentation, sous-système d'alimentation d'antenne, et système de station de base
CN108063318B (zh) 集成天线单元、多阵列天线及其传输方法及接收方法
CN111987435B (zh) 一种低剖面双极化天线、阵列天线及无线通信设备
CN106711622B (zh) 天线阵列和天线
WO2018130013A1 (fr) Réseau d'antennes à gain élevé à cavité arrière à faisceaux multiples approprié pour une communication par ondes millimétriques
CN206432397U (zh) 多波束背腔式高增益天线阵
CN207559072U (zh) 一种2×3宽频巴特勒矩阵板、巴特勒矩阵及多波束天线
US11211967B2 (en) Full-duplex single-panel antenna system for satellite and telecommunicaiton systems
US20180108969A1 (en) Improved antenna
CN110808458A (zh) 一种双极化多层贴片滤波天线及通信设备
EP3419104B1 (fr) Systèmes de communication cellulaire avec des réseaux d'antennes à commande de largeur de faisceau d'énergie (hpbw) à moitié améliorée
US20230353334A1 (en) Antenna lattice for single-panel full-duplex satellite user terminals
CN114361787A (zh) 基于3d正交并馈网络的双频段/双极化cts天线
TWI633712B (zh) 三維巴特勒矩陣
JP7512410B2 (ja) アンテナアレイのグループ化
JP2022511599A (ja) 固定給電アンテナを備えたフェーズドアンテナアレイシステム
US11545746B1 (en) Antenna lattice with unequal spacing for single-panel full-duplex satellite user terminals
Ushijima et al. Compact multi-beam forming network with three-way power divider combined rat-race coupler and branch-line coupler
CN115377670B (zh) 一种移相错位的平板阵列天线
CN114024150B (zh) 一种基于带状线一分六功分网络的有源天线阵列
WO2024083003A1 (fr) Module d'antenne et dispositif de communication
Xu et al. Indented quasi-Yagi antenna array for high-isolation full-duplex radios
TW202427858A (zh) 多頻多天線裝置
Yang et al. Antenna array antenna array driven by broadband integrated multibeam network with flat amplitudes and phases

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08734151

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08734151

Country of ref document: EP

Kind code of ref document: A1