WO2022140999A1 - 基站天线 - Google Patents
基站天线 Download PDFInfo
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- WO2022140999A1 WO2022140999A1 PCT/CN2020/140423 CN2020140423W WO2022140999A1 WO 2022140999 A1 WO2022140999 A1 WO 2022140999A1 CN 2020140423 W CN2020140423 W CN 2020140423W WO 2022140999 A1 WO2022140999 A1 WO 2022140999A1
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- 230000005855 radiation Effects 0.000 claims abstract description 152
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims description 20
- 238000010586 diagram Methods 0.000 description 35
- 238000000034 method Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
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- 239000000243 solution Substances 0.000 description 3
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- 230000003111 delayed effect Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000005404 monopole Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 238000004904 shortening Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
Definitions
- the present application relates to the field of antenna technologies, and in particular, to a base station antenna.
- the base station antenna is a key part of the wireless communication system, and the performance of the base station antenna directly determines the communication quality of the wireless system.
- the antenna unit is fed in the form of 1toN power division in the vertical dimension, forming a 1toN module.
- the 1toN module contains N identical antenna units, and the unit radiation phase slopes are the same.
- the radiation phase of each antenna unit must satisfy a certain relationship, that is, the length of the feeder between the 1toN power division input port and each antenna unit must satisfy a certain relationship (equal length, linear increase or linear decrease) .
- a certain relationship equal length, linear increase or linear decrease
- the length of the feeder connected to the antenna unit close to the power division input port may be extended to the distance from the power division input port.
- the lengths of the feeders connected to the far antenna units are the same, this will cause difficulties in the layout of the feeders and increase the loss of the feeder network.
- the so-called feeder network is a network formed by the layout of many feeders.
- the present application provides a base station antenna, which can simplify the routing layout of the feeder in the base station antenna and reduce the loss of the feeder network under the condition of ensuring the normal radiation of the base station antenna.
- the application provides an antenna base station, the antenna base station includes a feeding mechanism and at least one antenna module, each antenna module includes at least two antenna units, each antenna unit has a first sub-radiation phase slope, and each In the antenna unit: each antenna unit is connected to the feeding mechanism through a one-to-one corresponding feeding line, and each feeding line has a second sub-radiation phase slope.
- each one-to-one correspondence between the antenna elements and the feed line forms a radiation element, and each radiation element has a radiation phase slope equal to the first sub-radiation phase slope of the antenna element and the one-to-one corresponding feed line. Sum of the second sub-radiation phase slopes of the wire.
- the antenna base station changes the type or form of the antenna unit in the antenna module, so that there is a difference between the first sub-radiation phase slopes between the antenna units in the antenna module, Thereby, the second sub-radiation phase slopes of feed lines connected to different antenna elements can be different.
- the lengths of the feed lines connected to the antenna units in each antenna module can be different. Specifically, the feed lines connected to the antenna units close to the feeding mechanism can be set to be shorter, and the antennas farther from the feeding mechanism can be set shorter.
- the feeder to which the unit is connected can be set to be longer.
- the antenna base station provided by the present application can simplify and shorten the length of the feeder line in a specific feeder network, and under the condition of ensuring the normal radiation of the antenna base station, the purpose of simplifying the routing layout of the feeder line in the antenna and reducing the loss of the feeder network is achieved. .
- different types of antenna units can be selected to make the first sub-radiation phase slopes of the antenna units in the antenna module different.
- the types of the two antenna units may be selected to be different, so that the two antenna units have different first sub-radiation phase slopes.
- the multiple antenna units in the antenna module can be selected to be of the same type, and the main body of the antenna units is kept the same, but the guide pieces and/or the radiating arms of the antenna units are different, so that at least The first sub-radiation phase slopes are different between the two antenna elements.
- the phase difference at the center frequency of the antenna units with different first sub-radiation phase slopes can be set to be greater than or equal to 180°.
- each antenna unit in the antenna module can be set as a ⁇ 45° dual-polarized antenna to increase the coverage area of the base station antenna.
- the antenna module when the antenna module is specifically set, whether there is a downtilt angle between the antenna units in the antenna module can be set according to requirements. Specifically, when the first preset value is 0, there is no difference in the radiation phase slopes between the radiation units, and there is no downtilt angle between the antenna units; when the first preset value is greater than 0, the radiation phase slopes between the radiation units do not exist. There is a difference in the radiation phase slope, and there is a downtilt angle between the antenna elements. Certainly, when the first preset value is greater than 0, the size of the downtilt angle between the antenna units can be adjusted by changing the size of the first preset value.
- the power feeding can be carried out through various structures, including at least the following methods:
- the power feeding mechanism includes a power feeding port, and the antenna units in the antenna module are connected to the power feeding port through feeding lines corresponding to the antenna units one-to-one.
- the structure of the antenna units in the antenna module can be adjusted so that the first There is a difference between the phase slopes of one sub-radiation, so that the second sub-radiation phase slope can be different between the feeders.
- the antenna units at different positions from the feed port can be connected by feed lines of different lengths, so that the length of the feed lines in a specific feed network can be simplified and shortened.
- the antenna unit that is closer to the feed port is connected to the feed port by using a shorter feed line; the antenna unit that is farther away from the feed port is connected to the feed port by using a longer feed line.
- the purpose of simplifying the routing layout of the feeder in the antenna and reducing the loss of the feeder network can be achieved under the condition of ensuring the normal radiation of the antenna base station.
- the feeding mechanism includes a feeding port, a phase shifter and a connecting wire, wherein: the antenna unit in the antenna module is connected to the feeding port through a feeding wire corresponding to the antenna unit one-to-one, and the phase shifter is provided with a plurality of an output port, and the feed port connected to each antenna module is connected to an output port through a connection line corresponding to the feed port one-to-one, and the connection line has a third self-radiation phase slope. It is worth noting that the output ports connected to each feed port are different.
- each pair of one-to-one corresponding antenna modules and connecting lines the sum of the radiation phase slopes of the radiating elements in the antenna module forms the module radiation phase slope, and the sum of the module radiation phase slope and the third sub-radiation phase slope forms the Total Radiation Phase Slope. And the difference between the total radiation phase slope formed by each antenna module and its one-to-one corresponding connection line satisfies the second preset value.
- connection lines here are also used as routing lines in the feed network, so that the connection lines and the feed lines are expressed in different ways here.
- the length of the connecting wire, the structure of the antenna unit in the antenna module, and the length of the feeder corresponding to the antenna unit can be adjusted so that the difference between the total radiation phase slope formed by the antenna module and the connecting wire corresponding to it one-to-one can be adjusted.
- the second preset value is satisfied.
- the lengths of the feeders can be different, and the lengths of the connecting wires can also be different, so that the length of the feeders in a specific feeder network can be simplified.
- the antenna module that is closer to the output port uses a shorter connecting wire to connect the feeder ports corresponding to the antenna modules one-to-one; the antenna module that is farther from the output port uses a longer connecting wire to connect to the antenna.
- the purpose of simplifying the routing layout of the feeder in the antenna and reducing the loss of the feeder network can be achieved under the condition of ensuring the normal radiation of the antenna base station.
- whether there is a downtilt angle between the antenna modules can be set as required. Specifically, when the second preset value satisfied by the difference between the total radiation phase slopes is set to 0, there is no downtilt angle between the antenna modules; when the second preset value satisfied by the difference between the total radiation phase slopes is set greater than When 0, there is a downtilt angle between the antenna modules. Of course, when the second preset value is greater than 0, the size of the downtilt angle between the antenna modules can be adjusted by changing the size of the second preset value.
- a dielectric substrate may be provided to carry the antenna module.
- the dielectric substrate has a first surface and a second surface, the first surface is provided with a feeding port, and the second surface is provided with a signal ground layer; the antenna module is provided on the dielectric substrate, and the antenna unit in the antenna module is connected to the Signal underlying connection.
- the feed line is a microstrip line formed on the dielectric substrate, and the feed line connects the feed port and the antenna unit to realize signal transmission between the antenna unit and the feed port.
- the feeding mechanism includes a phase shifter, the antenna unit in the antenna module is connected to an output port of the phase shifter through a feed line corresponding to the antenna unit one-to-one, and each antenna unit is connected to a different output port.
- the structure of the antenna units in the antenna module can be adjusted so that the first sub-radiation phase slope of the antenna unit There is a difference between the feeders, so that the second sub-radiation phase slopes can be different between the feeders.
- the antenna units at different positions from the feed port can be connected by feed lines of different lengths, thereby simplifying and shortening the length of the feed lines in a specific feed network.
- the antenna unit that is closer to the output port is connected to the output port by using a shorter feeder line; the antenna unit that is farther away from the output port is connected to the output port using a longer feeder line.
- the purpose of simplifying the routing layout of the feeder in the antenna and reducing the loss of the feeder network can be achieved under the condition of ensuring the normal radiation of the antenna base station.
- a reflector may also be provided. Specifically, the reflector may be provided on the side of the antenna unit away from the radiation direction of the antenna unit. In order to support and fix the antenna module, and reflect electromagnetic waves to ensure the normal radiation of the antenna unit.
- FIG. 1 is a schematic diagram of a system architecture to which an embodiment of the present application is applicable;
- Fig. 2 is the internal structure diagram of the base station antenna in the prior art in Fig. 1;
- Fig. 3 is the structure of the base station antenna in Fig. 1 in the prior art
- FIG. 4 is a schematic structural diagram of a 1to3 module in the antenna array in FIG. 3;
- FIG. 5 is a structural diagram of a base station antenna provided in Embodiment 1 of the present application.
- Fig. 6 is the partial structure schematic diagram of the antenna module in Fig. 5;
- FIG. 7 is another structural diagram of the base station antenna provided in Embodiment 1 of the present application.
- FIG. 8 is a schematic structural diagram of an antenna module in a conventional design corresponding to Embodiment 1 of the present application;
- Fig. 9 is the structural schematic diagram showing the single-side polarization of an antenna module in the structure shown in Fig. 8;
- FIG. 10 is a schematic diagram of the phase slope of the conventionally arranged antenna module corresponding to the structure in FIG. 9;
- FIG. 11 is a phase slope diagram corresponding to the antenna module in Embodiment 1 of the present application.
- FIG. 12 is a structural diagram of a base station antenna provided in Embodiment 2 of the present application.
- FIG. 13 is a schematic structural diagram of a single-side polarization of an antenna module in the structure shown in FIG. 12;
- FIG. 14 is a schematic structural diagram of a conventionally arranged antenna module corresponding to the structure in FIG. 13;
- FIG. 15 is a schematic diagram of the phase slope of the conventionally arranged antenna module corresponding to the structure in FIG. 14;
- FIG. 17 is a structural diagram of a base station antenna provided in Embodiment 3 of the present application.
- FIG. 19 is a structural diagram of a base station antenna provided in Embodiment 4 of the present application.
- the base station antenna provided in the embodiments of the present application may be applicable to various communication systems, such as: a fifth generation (5th Generation, 5G) communication system or a new radio (new radio, NR) system, a 6G communication system, a long term evolution (long term evolution) LTE) system, global system of mobile communication (GSM) system, code division multiple access (CDMA) system, wideband code division multiple access (WCDMA) ) system, general packet radio service (GPRS) system, LTE time division duplex (TDD) system, universal mobile telecommunication system (UMTS), global interconnection microwave connection It can also be a communication system in other unlicensed frequency bands, which is not limited.
- 5G fifth generation
- 5G fifth generation
- 6G communication system a new radio (new radio, NR) system
- 6G communication system a long term evolution (long term evolution) LTE) system
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- GPRS general packet radio service
- FIG. 1 exemplarily shows a schematic diagram of a system architecture to which the embodiments of the present application are applied.
- the system architecture may include radio access network devices, such as but not limited to the base station 001 shown in FIG. 1 .
- the radio access network equipment may be located in a base station subsystem (BSS), a terrestrial radio access network (UMTS terrestrial radio access network, UTRAN) or an evolved terrestrial radio access network (Evolved universal terrestrial radio access, E- UTRAN), it is used for cell coverage of wireless signals to realize the connection between the terminal equipment and the radio frequency end of the wireless network.
- BSS base station subsystem
- UMTS terrestrial radio access network UTRAN
- Evolved universal terrestrial radio access Evolved universal terrestrial radio access
- the base station 001 may be a base station (base transceiver station, BTS) in a GSM or CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station (evolutional NodeB) in an LTE system , eNB or eNodeB), can also be a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario, or the base station 001 can also be a relay station, an access point, a vehicle-mounted device, a wearable device, and future A base station in a 5G network or a base station in a future evolved PLMN network, etc., are not limited in the embodiments of the present application.
- a possible structure of a base station 001 may include a base station antenna 01 , a transceiver 02 and a baseband processing unit 03 .
- the transceiver 02 can be connected to the antenna port M of the base station antenna 01, so that the base station antenna 01 can receive the transmission signal sent by the transceiver 02 through its antenna port M and radiate it out through the radiator of the base station antenna 01, or the base station antenna 01 can The received signal received by the radiator of the antenna 01 is sent to the transceiver 02 .
- the transceiver 02 may be a remote radio frequency unit
- the baseband processing unit 03 may be a baseband unit
- the base station antenna 01 is usually integrated with the remote radio frequency unit in the same device, which is called an active antenna processing unit (active antenna unit, AAU).
- the baseband unit can be used to process the baseband signal to be sent and transmit it to the remote radio frequency unit, or receive the received signal sent by the remote radio frequency unit (that is, the received radio frequency signal received by the base station antenna 01 during the signal reception process passes through the remote radio frequency unit.
- the baseband signal obtained after the conversion processing of the end radio frequency unit) and processing.
- the remote radio frequency unit can convert the baseband signal to be sent sent by the baseband unit into a transmit radio frequency signal (including performing necessary signal processing on the baseband signal to be sent, such as signal amplification, etc.), and then transmit the radio frequency signal through the base station antenna 01
- the antenna port M is sent to the base station antenna 01, and the base station antenna 01 radiates the transmitted radio frequency signal.
- the remote radio frequency unit may also receive the received radio frequency signal sent by the antenna port M of the base station antenna 01, convert it into a received baseband signal, and send it to the baseband unit.
- FIG. 1 only illustrates the connection relationship between one transceiver 02 and one antenna port M of the base station antenna 01 .
- the number of antenna ports M in the base station antenna 01 may also be at least two, and the number of transceivers 02 may also be at least two, wherein each antenna port M may be connected to a transceiver
- a plurality of transceivers 02 can be connected to the same baseband processing unit 03.
- FIG. 1 also exemplarily shows a possible deployment scenario of the base station antenna 01 provided by the embodiment of the present application.
- the deployment scenario may include the base station antenna 01, the feeder 04, the pole 05, and the antenna adjustment bracket 06. Joint seal 07 and grounding device 08.
- the end of the base station antenna 01 close to the antenna port M can be fixedly connected to the pole 05, and the end of the base station antenna 01 away from the antenna port M can be flexibly connected to the pole 05 through the antenna adjustment bracket 06, so that the position of the base station antenna 01 can be adjusted through the antenna bracket. 06 to adjust.
- the feeder 04 drawn from the antenna port M of the base station antenna 01 is connected to the transceiver 02 , and the feeder 04 can also extend to the grounding pipe to connect to the grounding device 08 .
- the connection between the antenna port M and the feeder 04 and the connection between the feeder 04 and the grounding pipe can be sealed through the joint seal 07 .
- FIG. 1 only shows the deployment mode of the base station antenna 01 including one antenna.
- the base station antenna 01 may also include multiple antennas installed around the pole 05, and the installation positions of the multiple antennas may be the same, It can also be different. When the installation positions are different, multiple antennas can form different beam coverages.
- FIG. 2 is an internal structure diagram of the base station antenna 01 in FIG. 1 in the prior art.
- the base station antenna 01 contains at least one independent array composed of one or more radiators 011 and a metal reflector 012, wherein the frequencies of the radiators 011 can be the same or different, and the radiators 011 are usually placed on the metal reflector.
- the metal reflector 012 is arranged on the side of the radiator 011 away from the radiation direction.
- At least one individual array receives or transmits radio frequency signals through respective feed networks.
- the feed network can realize different radiation beam directions through the transmission components and the transmission components in the calibration network 014, or connect with the transmission components and the calibration network in the calibration network 014 to obtain the calibration signal required by the system.
- the feed network may also include a combiner or a filter 015 and other modules for extending performance, which are connected to the antenna port M.
- FIG. 3 shows the structure of the base station antenna 01 in FIG. 1 in the prior art.
- the dielectric substrate 2 ′ shown in FIG. 3 can be placed on the metal reflector shown in FIG. 2 . 012, and a plurality of 1to3 modules N' are formed on the dielectric substrate 2'.
- the 1to3 module N' includes a plurality of radiators 011 as shown in FIG. 2 .
- the dielectric substrate 2' is formed by injection molding of high performance plastics.
- Fig. 4 is a schematic structural diagram of a 1to3 module N' in Fig. 3.
- a 1to3 module N' specifically includes a plurality of antenna units formed by patches (in Fig. 4, 1a', 1b ', 1c'), feeder 3' and power division main feed input 4'. Since the three antenna units (1a', 1b', 1c') are in the same patch unit form, they have the same first sub-radiation phase slope.
- the main feed input port 4' is closer to the left antenna unit 1a' and farther from the rightmost antenna unit 1c'. Consistently, the feeder 3' of the leftmost antenna unit 1a' has undergone a certain bending and winding. Since the space allocated by each 1to3 module N' in the base station antenna 01 is limited, such bending and winding will make the layout of the feeder 3' difficult, and the loss of the feeder network will increase.
- the present application provides a base station antenna, which is used to simplify the wiring layout of the feeder network in the base station antenna and reduce the loss of the feeder network under the condition of ensuring the normal radiation of the base station antenna.
- references in this specification to "one embodiment” or “some embodiments” and the like mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application.
- appearances of the phrases “in one embodiment,” “in some embodiments,” “in other embodiments,” “in other embodiments,” etc. in various places in this specification are not necessarily All refer to the same embodiment, but mean “one or more but not all embodiments” unless specifically emphasized otherwise.
- the terms “including”, “including”, “having” and their variants mean “including but not limited to” unless specifically emphasized otherwise.
- FIG. 5 shows a structural diagram of a base station antenna 01 provided in Embodiment 1 of the present application.
- the base station antenna 01 includes two antenna modules D, a dielectric substrate 2 and a reflector 5 , and the two antenna modules D form an antenna line array.
- each antenna module D is specifically a 1to3 module, that is, each antenna module D includes three antenna units.
- the antenna module D may also include other numbers of modules, which will not be repeated here.
- the above-mentioned dielectric substrate 2 has a first surface and a second surface, the first surface is provided with a feeding port 4 serving as a feeding mechanism, and the second surface is provided with a signal ground layer.
- the feed port 4 can be used as the main feed port of the 1to3 module. It should be understood that the 1to3 module means that the energy transmitted at the feed port 4 is transmitted to the three antenna units after power distribution.
- the base station antenna 01 is not limited to include only two antenna modules D, and the two antenna modules D here are only for schematic illustration, and other numbers of antenna modules D can also be provided according to requirements, which will not be repeated here.
- the structure shown in FIG. 5, specifically, includes an antenna unit 1a, an antenna unit 1b, and an antenna unit 1c, wherein the three antenna units are fixed on the first surface of the dielectric substrate 2, and the antenna unit 1a is connected to the antenna unit 1a through the feeder 3a.
- the feeding port 4 is connected, the antenna unit 1b is connected to the feeding port 4 through the feeding line 3b, the antenna unit 1c is connected to the feeding port 4 through the feeding line 3c, and the feeding line 3a, the feeding line 3b and the feeding line 3c are formed in the medium.
- the microstrip line of the substrate 2 , the antenna unit 1 a , the antenna unit 1 b and the antenna unit 1 c are all connected to the signal bottom layer of the dielectric substrate 2 .
- the reflector 5 is arranged on the side of the antenna module D away from the radiation direction of the antenna unit 1a, the antenna unit 1b and the antenna unit 1c, so as to support and fix the antenna module D, and reflect electromagnetic waves to ensure that the antenna unit 1a, the antenna unit 1b and the Normal radiation of antenna element 1c.
- FIG. 6 is a schematic diagram of a partial structure of the antenna module D in FIG. 5 .
- the electromagnetic signal is input from the feeding port 4.
- the electromagnetic signal is fed to the antenna unit 1a, the antenna unit 1a, the antenna unit 3c, and the feeding line 3a, 3b and 3c according to a certain amplitude and phase, respectively.
- 1b and the antenna unit 1c are fed to form electromagnetic radiation of the 1to3 module.
- the feed port 4 , the feed line 3 a , the feed line 3 b and the feed line 3 c form a feed network for one antenna module D monopole.
- the antenna units are ⁇ 45° dual-polarized radiation.
- each polarization of the antenna unit 1a needs to be connected to a separate feeding network. Therefore, symmetrical feeding networks may be respectively provided on the dielectric substrates 2 on both sides of the antenna unit 1a, as shown in FIG. 7 .
- the product of the frequency and the wavelength of the electromagnetic wave is a fixed value (the speed of light), that is, the electromagnetic wave with a high frequency corresponds to a shorter wavelength, and the electromagnetic wave with a low frequency corresponds to a longer wavelength.
- the electromagnetic wave with a high frequency corresponds to a shorter wavelength
- the electromagnetic wave with a low frequency corresponds to a longer wavelength.
- the phase of the electromagnetic wave changes periodically in the range of 0 to 360 degrees.
- the number of wavelengths traveled by electromagnetic waves with high frequency is greater than the number of wavelengths traveled by electromagnetic waves with low frequency, so the phase change of electromagnetic waves with high frequency is larger, that is, the phase change is more quick.
- the corresponding relationship between the phase change and the frequency can be drawn with a slanted line, that is, the phase slope can be obtained.
- the antenna unit 1a is used as an example to illustrate: when the root of the antenna unit 1a is fed, the electromagnetic wave propagates on the structure of the antenna unit 1a itself, and then radiates to free space, and observes at a certain point in space From the relationship between the frequency and the phase of the electromagnetic wave, the phase slope of the first sub-radiation of the antenna unit 1a can be obtained.
- the first sub-radiation phase slopes of the antenna units 1a are the same; when different antenna units 1a and antennas are selected in the antenna module D
- the unit 1b is used, the first sub-radiation phase slopes of the antenna unit 1a and the antenna unit 1b are different.
- the antenna unit 1a and the antenna unit 1c are completely the same antenna unit, but the antenna unit 1b is completely different from the antenna unit 1a and the antenna unit 1c.
- the antenna module D it may be set that the phase difference between the antenna unit 1a (or the antenna unit 1c) and the antenna unit 1b at the center frequency is greater than or equal to 180°.
- the antenna unit 1a and the antenna unit 1c shown in FIG. 6 have the same first sub-radiation phase slope, while the first sub-radiation phase slope of the antenna unit 1b is the same as that of the antenna unit 1a and the antenna unit 1c.
- the first sub-radiation phase slopes are different.
- the antenna unit 1a and the feeder 3a form a radiation unit, and the radiation unit has a first radiation phase slope, and the first radiation phase slope is equal to the first sub-radiation phase slope of the antenna unit 1a and the sum of the second sub-radiation phase slopes of the feeder 3a; similarly, the antenna element 1b and the feeder 3b form a radiation element, the radiation element has a second radiation phase slope, and the second radiation phase slope is equal to the antenna element 1b
- the antenna unit 1c and the feeder 3c form a radiation unit, the radiation unit has a third radiation phase slope, and the third radiation phase slope is equal to the sum of the first sub-radiation phase slope of the antenna element 1c and the second sub-radiation phase slope of the feeder 3c.
- the phase slope of the electromagnetic wave radiated by each radiating element must satisfy a certain relationship.
- the first embodiment of the present application it is exemplified that there is no difference between the radiation phase slopes of each radiating element in the antenna module D, that is, the above-mentioned first radiation phase slope, second radiation phase slope, and third radiation phase slope.
- the difference is 0 (ie, the first preset value is 0).
- the first sub-radiation phase slope of the antenna unit 1b is different from the first sub-radiation phase slope of the antenna unit 1a and the antenna unit 1, so the second sub-radiation phase slope of the feeder 3b can be different from that of the feeder 3a and the feeder 3c.
- the corresponding second sub-radiation phase slopes are different. Since the length of the feeder affects the second sub-radiation phase slope of the feeder, the length of the feeder 3b can be shortened relative to the lengths of the feeders 3a and 3c as shown in FIG. 6 .
- the antenna unit 1b is selected to be of a different type from the antenna unit 1a and the antenna unit 1c, and the first sub-radiation phase slope of the antenna unit is adjusted so that the feeder 3a, the feeder 3b and the feeder
- the second sub-radiation phase slopes corresponding to the wires 3c respectively may be different.
- the first sub-radiation phase slope of the antenna unit 1b and the second sub-radiation phase slope of the feeder 3b can achieve a complementary effect, that is, after the antenna unit 1b is matched with the feeder 3b, the The second radiation phase slope is consistent with the first radiation phase slope and the third radiation phase slope, so as to ensure that the antenna module D performs normal electromagnetic radiation.
- FIG. 8 shows a schematic structural diagram of an antenna module in a conventional design corresponding to each setting condition of the first embodiment of the present application.
- Figure 9 is a schematic structural diagram of an antenna module D' in the structure shown in Figure 8 when one side is polarized. Please refer to FIG. 9 in conjunction with FIG. 8, the antenna module D' includes an antenna unit 1a', an antenna unit 1b' and an antenna unit 1c', wherein the antenna unit 1a', the antenna unit 1b' and the antenna unit 1c' have the same structure.
- the first sub-radiation phase slopes of the antenna element 1a', the antenna element 1b' and the antenna element 1c' are the same.
- the first preset value is 0, so the feeder 3a', the feeder 3b' and the feeder 3c' are connected to the antenna unit 1a', the antenna unit 1b' and the antenna unit 1c' It should also have the same second sub-radiation phase slope, ie the lengths of the feeder 3a', the feeder 3b' and the feeder 3c' need to be kept equal.
- the feeder 3b' connected to the antenna unit 1b' needs to undergo a relatively complex winding to satisfy the constraint that the second sub-radiation phase slopes of the feeders are consistent. condition.
- the winding operation of the feeder 3b' will make the layout of the feeder network more difficult, increase the design complexity of the antenna module, and due to the lengthened winding of the feeder 3b', the feeder 3b 'The loss will increase, and eventually the loss of the radiating element will increase and the radiation efficiency will decrease.
- FIG. 10 is a schematic diagram of the phase slope corresponding to the conventionally arranged antenna module D' in FIG. 9 .
- the phase slope x' is the first sub-radiation phase slope of the antenna unit 1a', the antenna unit 1b' and the antenna unit 1c' (they coincide)
- the slope y' is the feeder 3a', the feeder 3b' and the second sub-radiation phase slope of the feeder 3c' (the lengths of the three striplines are equal, and the oblique lines overlap)
- the slash z' is the radiation phase slope of the radiation unit finally formed after the three feeder striplines are matched with the three antenna units,
- the three are also completely coincident, which means that the antenna module D' can radiate normally without down-tilt angle.
- FIG. 11 is a phase slope diagram of the antenna module corresponding to Embodiment 1 of the present application, that is, the phase slope diagram of the structure shown in FIG. 6 .
- the oblique line x1 is the first sub-radiation phase slope corresponding to the antenna unit 1a and the antenna unit 1c (because the two are the same, the first sub-radiation phase slope lines of the two overlap), and the oblique line y1 is the feeder 3a and the feeder The second sub-radiation phase slope of 3c (because the two have the same length, the second sub-radiation phase slope lines of the two coincide).
- the two oblique lines of the oblique line x1 and the oblique line y1 are respectively consistent with the oblique line x' and the oblique line y' shown in FIG. 10 .
- the oblique line x2 is the first sub-radiation phase slope corresponding to the antenna unit 1b
- the oblique line y2 is the second sub-radiation phase slope corresponding to the feeder 3b. It can be seen from Figure 11 that the oblique line x2 is below the oblique line x1, which means that the radiation phase of the antenna unit 1b is much delayed compared with the antenna unit 1a and the antenna unit 1c. In order to make up for the phase lag, the feeder 3b needs to be shortened. , so that the phase of the feeder 3b is ahead of the feeder 3a and the feeder 3c, that is, the oblique line y2 is above the oblique line y1.
- the second radiation phase slope of the radiation unit formed by the antenna unit 1b with the feeder 3b is consistent with the first radiation phase slope and the third radiation phase slope, that is, the three coincide as a slope z, so as to ensure Antenna module D radiates normally.
- the feeder 3b in the first embodiment of the present application is simplified and shortened. Based on this, the layout design of the 1to3 module in the entire base station antenna 01 can be greatly simplified, and the loss of the feeder network will be reduced. At the same time, the good radiation characteristics of the antenna module D will not be affected.
- FIG. 12 is a structural diagram of a base station antenna 01 according to Embodiment 2 of the present application.
- two groups of identical antenna modules D form an array unit E1 along the direction P.
- each antenna module D is a 1to2 module.
- the same array element E1, array element E2, array element E3 and array element E4 form an antenna array.
- the second embodiment is an antenna array, which can be used in a MIMO (multiple-input multiple-output, multiple-input multiple-output) antenna system.
- MIMO multiple-input multiple-output, multiple-input multiple-output
- each antenna module D includes an antenna unit 1a and an antenna unit 1b, and the antenna unit 1a is connected with a feeder 3a, and the antenna unit 1b The feeder 3b is connected.
- the dielectric substrate 2 is not provided, and the reflector 5 is provided on the antenna module D away from the antenna unit 1a and the antenna unit 1b. side of the radiation direction.
- the dielectric substrate 2 may also be provided in the second embodiment, and here it is only shown that the dielectric substrate 2 is not provided, which will not be repeated here.
- the second embodiment since the second embodiment is shown without the dielectric substrate 2, there needs to be a gap between the antenna unit 1a and the reflector 5, and the value of the gap can be 1 mm for example.
- the gap value can be changed according to design requirements, and details are not repeated here.
- a gap is also required between the antenna unit 1b and the reflector 5, and the value of the gap can be exemplarily 1 mm. The gap value can be changed according to design requirements, and details are not described here.
- FIG. 13 is an enlarged schematic view of the structure in FIG. 12 . Specifically, only the feeding network of the monopole of the antenna module D is shown in FIG. 13 . As shown in FIG. 13 , the antenna unit 1a and the antenna unit 1b are the same type of antenna units, exemplarily in the form of crossed dipoles, but the specific structures of the two are different.
- the main body portion 11a of the antenna unit 1a is the same as the main body portion 11b of the antenna unit 1b, but the shape, size and height of the radiation arm 12a of the antenna unit 1a and the radiation arm 12b of the antenna unit 1b are different, and the antenna unit 1a
- the structure and shape of the guide piece 13a of the antenna unit 1b are also different from that of the guide piece 13b of the antenna unit 1b. Due to the difference between the antenna unit 1a and the antenna unit 1b, the first sub-radiation phase slope of the antenna unit 1a is different from the first sub-radiation phase slope of the antenna unit 1b.
- the antenna unit 1a and the feeder 3a form a radiation unit, and the radiation unit has a first radiation phase slope; the antenna unit 1b and the feeder 3b form a radiation unit, and the radiation unit has a second radiation phase slope.
- the difference between the first radiation phase slope and the second radiation phase slope is set not to be 0, that is, the first preset value is greater than 0.
- the phase of the antenna unit 1a and the antenna unit 1b in the second embodiment of the present application is preset to a fixed tilt angle.
- the length of the feeder affects the second sub-radiation phase slope of the feeder, the length of the feeder 3a can be shortened relative to the feeder 3b as shown in FIG. 13 .
- FIG. 14 shows a conventional design method corresponding to the second embodiment.
- the main body 11a', radiating arm 12a' and guide piece 13a' of the antenna unit 1a' are identical to the main body 11b', radiating arm 12b' and guide piece 13b' of the antenna unit 1b'. which have a consistent first radiation phase slope. Since the positions of the antenna unit 1a' and the antenna unit 1b' are different from the main feed port, the length of the feeder 3b' is longer. In order to meet the phase requirement of the fixed inclination angle, the feeder 3a' needs to be wound to a certain extent to ensure the relative relationship with the feeder 3b', which will cause difficulties in the layout of the feeder network and increase the loss.
- the feeder 3a in the second embodiment of the present application is simplified and shortened. Based on this, the layout design of the entire 1to2 module can be greatly simplified, and the loss of the feeder network can be reduced. The good radiation characteristics of the antenna module D will not be affected.
- Fig. 15 is a schematic diagram corresponding to the phase slope of the antenna module D' conventionally arranged in the prior art in Fig. 14 .
- the oblique line x' is the first sub-radiation phase slope of the antenna unit 1a' and the antenna unit 1b' (because the two are the same, the first sub-radiation phase slope lines of the two coincide);
- the oblique line y1' is the feed line 3a'
- the second sub-radiation phase slope of , the oblique line z2' is the second radiation phase slope of the radiation unit finally formed by the antenna unit 1b' and the feeder 3b'.
- the phases of the antenna unit 1a and the antenna unit 1b in Embodiment 2 of the present application are preset to a fixed inclination angle, so the oblique line z1' and the oblique line z2' do not overlap.
- phase difference value between the oblique line z1' and the oblique line z2' is consistent with the phase difference value between the oblique line y1' and the oblique line y2', and the entire phase difference value makes the final radiation
- the beam has a certain inclination angle.
- FIG. 16 is a phase slope diagram of the antenna module corresponding to the second embodiment of the present application.
- the oblique line x1' in Fig. 16 is the first sub-radiation phase slope of the antenna unit 1a' in the prior art
- the oblique line y1' is the second sub-radiation phase slope corresponding to the feeder 3a'. It is worth noting that the oblique line x1' is consistent with the oblique line x' in Fig. 15
- the oblique line y1' is consistent with the oblique line y1' in Fig. 15 .
- the oblique line y1 is the second sub-radiation phase slope corresponding to the feeder 3a in the second embodiment of the application . It can be seen that the radiation phase of the antenna unit 1a is significantly delayed relative to the antenna unit 1a'.
- the feeder 3a should be ahead of the feeder 3a' in phase, that is, the feeder 3a should be shortened to ensure that the antenna
- the radiation phase slope of the radiating element formed by the unit 1a with the feeder 3a is consistent with the radiation phase slope of the radiating element formed by the antenna unit 1a' with the feeder 3a', that is, the effect of the slash z1', so that the antenna module D can finally follow the Preset fixed inclination angle for radiation.
- the feeder 3a in the second embodiment of the present application is simplified and shortened. Based on this, the wiring layout design of the entire 1to2 module can be greatly simplified, and the loss of the feeder network can be reduced. The good radiation characteristics of the antenna module D will not be affected.
- the radiating arm 12a of the antenna unit 1a in the antenna module D in FIG. 13 can be set to be different from the radiating arm 12b of the antenna unit 1b; 13b is different.
- this structure only changes the guide piece or the radiation arm, so it is not repeated here.
- FIG. 17 is a structural diagram of the base station antenna 01 in FIG. 1 according to Embodiment 3 of the present application.
- the difference between the third embodiment of the present application and the first embodiment is that only one antenna module D is included.
- the antenna module D includes an antenna unit 1a, an antenna unit 1b and an antenna unit 1c.
- the antenna module D is not limited to only include the above three antenna units, and is only illustratively described here.
- the phase shifter 6a and the phase shifter 6b are used as feeding mechanisms to feed the two poles of the above-mentioned three antenna units.
- only a schematic diagram illustrates the feeding structure of the phase shifter 6b.
- the antenna unit 1 a , the antenna unit 1 b and the antenna unit 1 c are located on the front of the reflector 5
- the phase shifter 6 a and the phase shifter 6 b are located on the back of the reflector 5 .
- the "front side” here refers to the side of the reflector 5 facing the radiation direction of the antenna module D
- the "reverse side” refers to the side of the reflector 5 away from the radiation direction of the antenna module D.
- the antenna unit 1b and the antenna unit 1c are of the same type, but the shape and size of the radiating arm and guide plate can be different, while the antenna unit 1a, the antenna unit 1b and the antenna unit 1c are of different types, and the final performance is three
- the antenna elements have different first sub-radiation phase slopes.
- the phase shifter 6b has an output port 61b, an output port 62b and an output port 63b, wherein the output port 61b is connected to the antenna unit 1a through the feeder 3a, the output port 62b is electrically connected to the antenna unit 1b through the feeder 3b, and the output port 63b is connected to the antenna unit 1a.
- the antenna unit 1c is connected by a feeder 3c.
- the output port 61b, the output port 62b and the output port 63b are the same polarization of the three antenna units for feeding, and the feeding line 3a, the feeding line 3b and the feeding line 3c are coaxial feeding lines.
- the antenna unit 1a and the feeder 3a form a radiation unit
- the antenna unit 1b and the feeder 3b form a radiation unit
- the antenna unit 1c and the feeder 3c form a radiation unit.
- the feeding mechanism is the phase shifter 6b
- the output phase of the phase shifter 6b can be changed as required, which means that the radiating elements in the antenna module D can be radiated in the manner described in the first embodiment of the present application to achieve equal phase No tilt angle radiation (ie, the first preset value is 0), or, as the radiation method described in Embodiment 2 of the present application, specific tilt angle radiation with unequal phases (ie, the first preset value is greater than 0) can be implemented.
- the down-tilt angle (ie, the first preset value) is set in the range of 0-12 degrees.
- the three radiation elements in the antenna module D need to have the same radiation phase slope.
- the antenna unit 1a, the antenna unit 1b and the antenna unit 1c have different first sub-radiation phase slopes.
- the feeder 3a, the feeder 3b and feeder 3c may have different second sub-radiation phase slopes.
- the lengths of the corresponding feeder 3a, feeder 3b and feeder 3c can be optimized according to the relative positions of the antenna unit 1a, the antenna unit 1b and the antenna unit 1c from the phase shifter 6b. Under the condition of ensuring normal radiation, the purpose of simplifying the wiring layout of the feeder network and reducing the loss of the antenna module D.
- FIG. 18 is a phase slope diagram corresponding to the structure in FIG. 17 .
- the oblique lines x1, x2, and x3 are the first sub-radiation phase slopes corresponding to the antenna unit 1a, the antenna unit 1b, and the antenna unit 1c, respectively, and the oblique lines y1, y2, and y3 are the feeder lines 3a, 3b, and 3c, respectively.
- the second sub-radiation phase slope.
- the downtilt angle of the antenna module D starts from 0 degrees. Therefore, it is necessary to fill up the third antenna unit 1a, the antenna unit 1b, and the antenna unit 1c at 0 degrees, that is, when the antenna module D has no downtilt.
- the linear relationship between the oblique lines x1, x2 and x3 is opposite to that of the oblique lines y1, y2 and y3, and the phase oblique line z can also be obtained by combining them in pairs, that is, three first sub-radiations with different first sub-radiations can be obtained.
- the antenna unit with phase slope is matched with three feed lines with different second sub-radiation phase slopes, so that the radiation units inside the antenna module D have the same radiation phase slope when tilted down by 0 degrees. After the phase relationship is complemented by 0 degrees, when the phase shifter 6b is tilted downward, the antenna module D can perform normal downward radiation.
- FIG. 19 is a structural diagram of the base station antenna 01 in FIG. 1 according to Embodiment 4 of the present application. As shown in FIG. 19 , compared with the structure shown in Embodiment 4 of the present application and the structure shown in Embodiment 3 of the present application in FIG.
- Embodiment 4 of the present application there is an antenna mode Group D1, antenna module D2, antenna module D3 these three antenna modules, wherein, the antenna module D1 includes an antenna unit 11a and an antenna unit 11b, the antenna unit 11a is connected to the feed port 41 through the feeder 31a, and the antenna unit 11b
- the power feeding port 41 is connected to the power feeding port 41 through the feeding wire 31b, and at the same time, the feeding port 41 is connected to the output port 61b of the phase shifter 6b by the connecting wire 71b
- the antenna module D2 includes the antenna unit 12a and the antenna unit 12b, and the antenna unit 12a is connected by the feeding wire 32a is connected to the feeding port 42, the antenna unit 12b is connected to the feeding port 42 through the feeding line 32b, and at the same time, the feeding port 42 is connected to the output port 62b of the phase shifter 6b through the connecting wire 72b
- the antenna module D3 includes the antenna unit 13a and The antenna unit 13b, the antenna unit 13a
- the antenna element 11a and the feed line 31a form a radiation element with a first radiation phase slope; the antenna element 11b and the feed line 31b form a radiation element with a second radiation phase slope.
- the antenna module D1 has a first module radiation phase slope, and the first module radiation phase slope is equal to the sum of the first radiation phase slope and the second radiation phase slope.
- the antenna module D2 has the radiation phase slope of the second module, and the antenna module D3 has the phase slope of the third module.
- the sum of the module radiation phase slope of the antenna module and the third sub-radiation phase slope of the connecting line forms the total radiation phase slope.
- the phase slope of the first module of the antenna module D1 and the third sub-radiation phase slope of the connecting line 71b form a first total radiation phase slope
- the phase slope of the second module of the antenna module D2 is the same as the phase slope of the connecting line 72b.
- the third sub-radiation phase slope forms the second total radiation phase slope
- the third module phase slope of the antenna module D3 and the third sub-radiation phase slope of the connecting line 73b form the third total radiation phase slope.
- the second total radiation phase slope and the third total radiation phase slope satisfies the second preset value of 0, there is no downtilt angle between the antenna modules; when the second preset value When greater than 0, there is a downtilt angle between the antenna modules.
- the module radiation phase slope of the antenna module can be adjusted to make the third radiation phase slope of the connecting line different, so as to adjust the relationship between the feed port and the phase shifter.
- the length of the connecting wire between the output ports can be optimized according to the relative position of the phase shifter 6b, so as to finally ensure the normal radiation of the antenna, and simplify the wiring of the feeding network layout to reduce antenna loss.
- the first sub-radiation phase slope can be changed by adjusting the structures of the antenna unit 11a and the antenna unit 11b, or by adjusting the feeder 31a and the length of the feed line 31b to change the second sub-radiation phase slope, so that the first radiation phase slope and the second radiation phase slope change, thereby changing the module radiation phase slope of the antenna module D1.
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Abstract
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Claims (12)
- 一种基站天线,其特征在于,包括馈电机构和至少一个天线模组,每个所述天线模组包括至少两个天线单元,每个天线单元具有第一子辐射相位斜率;每个所述天线模组中:至少两个所述天线单元的第一子辐射相位斜率不同,且每个所述天线单元通过与其一一对应的馈电线连接所述馈电机构,所述馈电线具有第二子辐射相位斜率;每对一一对应的天线单元与馈电线形成一个辐射单元,每一个所述辐射单元的辐射相位斜率为第一子辐射相位斜率与第二子辐射相位斜率之和;每个所述天线模组中辐射单元的辐射相位斜率间的差值满足第一预设值。
- 如权利要求1所述的基站天线,其特征在于,每个所述天线模组包括至少两种类型的天线单元。
- 如权利要求1所述的基站天线,其特征在于,每个所述天线模组内包括的各天线单元的类型相同;每个所述天线单元包括主体部、引向片和辐射臂;每个所述天线模组中包括的各所述天线单元间的所述主体部相同,所述引向片和/或所述辐射臂不同。
- 如权利要求1-3任一项所述的基站天线,其特征在于,所述第一预设值为0;或者所述第一预设值大于0。
- 如权利要求1-4任一项所述的基站天线,其特征在于,所述馈电机构包括馈电口,所述天线模组中的天线单元通过与所述天线单元一一对应的馈电线连接所述馈电口。
- 如权利要求1-4任一项所述的基站天线,其特征在于,所述馈电机构包括馈电口、移相器和连接线,所述天线模组中的天线单元通过与其一一对应的馈电线连接所述馈电口;所述移相器设有多个输出口,每个所述天线模组连接的馈电口通过与所述馈电口一一对应的连接线连接一个所述输出口,且各所述馈电口连接的输出口不同;所述连接线具有第三子辐射相位斜率;每对一一对应的天线模组与连接线中:所述天线模组内各辐射单元的辐射相位斜率之和形成模组辐射相位斜率;所述模组辐射相位斜率与所述第三子辐射相位斜率之和形成总辐射相位斜率,且各天线模组与连接线形成的总辐射相位斜率之差满足第二预设值。
- 如权利要求6所述的基站天线,其特征在于,所述第二预设值为0;或者所述第二预设值大于0。
- 如权利要求5或6所述的基站天线,其特征在于,还包括介质基板,所述介质基板具有第一表面和第二表面,所述第一表面设有所述馈电口,所述第二表面设有信号地层;所述天线模组设于所述介质基板,且所述天线单元与所述信号底层连接。
- 如权利要求1-4任一项所述的基站天线,其特征在于,所述馈电机构包括移相器,所述移相器设有多个输出口;所述天线模组中的天线单元通过与所述天线单元一一对应的馈电线连接所述输出口,且所述天线模组中的各天线单元连接的输出口不同。
- 如权利要求1-9任一项所述的基站天线,其特征在于,还包括反射板,所述反射板位于所述天线单元背离所述天线单元的辐射方向的一侧。
- 如权利要求1-10所述的基站天线,其特征在于,每个所述天线模组中:第一子辐射相位斜率不同的天线单元在中心频点的相位差值大于等于180°。
- 如权利要求1-11任一项所述的基站天线,其特征在于,所述天线单元为±45°双极化天线。
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PCT/CN2020/140423 WO2022140999A1 (zh) | 2020-12-28 | 2020-12-28 | 基站天线 |
CN202080108022.3A CN116724465A (zh) | 2020-12-28 | 2020-12-28 | 基站天线 |
EP20967349.0A EP4250485A4 (en) | 2020-12-28 | 2020-12-28 | BASE STATION ANTENNA |
US18/342,696 US20230344113A1 (en) | 2020-12-28 | 2023-06-27 | Base station antenna |
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PCT/CN2020/140423 WO2022140999A1 (zh) | 2020-12-28 | 2020-12-28 | 基站天线 |
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US18/342,696 Continuation US20230344113A1 (en) | 2020-12-28 | 2023-06-27 | Base station antenna |
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WO2024051767A1 (zh) * | 2022-09-08 | 2024-03-14 | 华为技术有限公司 | 天线结构件、天线和基站 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4633258A (en) * | 1984-06-07 | 1986-12-30 | Spar Aerospace Limited | Phase slope equalizer |
US5838282A (en) * | 1996-03-22 | 1998-11-17 | Ball Aerospace And Technologies Corp. | Multi-frequency antenna |
US20080258993A1 (en) * | 2007-03-16 | 2008-10-23 | Rayspan Corporation | Metamaterial Antenna Arrays with Radiation Pattern Shaping and Beam Switching |
CN103956575A (zh) * | 2014-04-28 | 2014-07-30 | 零八一电子集团有限公司 | 大型x波段宽带频相扫天线阵列 |
CN105977583A (zh) * | 2016-06-28 | 2016-09-28 | 华为技术有限公司 | 一种移相器及馈电网络 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7358922B2 (en) * | 2002-12-13 | 2008-04-15 | Commscope, Inc. Of North Carolina | Directed dipole antenna |
KR101494956B1 (ko) * | 2013-02-08 | 2015-02-23 | 주식회사 에이스테크놀로지 | 기지국 통신 시스템에 최적화된 어레이 안테나 |
-
2020
- 2020-12-28 WO PCT/CN2020/140423 patent/WO2022140999A1/zh active Application Filing
- 2020-12-28 EP EP20967349.0A patent/EP4250485A4/en active Pending
- 2020-12-28 CN CN202080108022.3A patent/CN116724465A/zh active Pending
-
2023
- 2023-06-27 US US18/342,696 patent/US20230344113A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4633258A (en) * | 1984-06-07 | 1986-12-30 | Spar Aerospace Limited | Phase slope equalizer |
US5838282A (en) * | 1996-03-22 | 1998-11-17 | Ball Aerospace And Technologies Corp. | Multi-frequency antenna |
US20080258993A1 (en) * | 2007-03-16 | 2008-10-23 | Rayspan Corporation | Metamaterial Antenna Arrays with Radiation Pattern Shaping and Beam Switching |
CN103956575A (zh) * | 2014-04-28 | 2014-07-30 | 零八一电子集团有限公司 | 大型x波段宽带频相扫天线阵列 |
CN105977583A (zh) * | 2016-06-28 | 2016-09-28 | 华为技术有限公司 | 一种移相器及馈电网络 |
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See also references of EP4250485A4 * |
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WO2024051767A1 (zh) * | 2022-09-08 | 2024-03-14 | 华为技术有限公司 | 天线结构件、天线和基站 |
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EP4250485A1 (en) | 2023-09-27 |
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