CN209071598U - Antenna for base station and its feeding network system - Google Patents
Antenna for base station and its feeding network system Download PDFInfo
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- CN209071598U CN209071598U CN201821664518.5U CN201821664518U CN209071598U CN 209071598 U CN209071598 U CN 209071598U CN 201821664518 U CN201821664518 U CN 201821664518U CN 209071598 U CN209071598 U CN 209071598U
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Abstract
The utility model discloses a kind of antenna for base station and feeding network system, which includes the first radiating element and the second radiating element；It is combined structure, combining structure includes and the one-to-one combiner of radiation display unit and phase shifter package；First radiating element and the second radiating element are electrically connected on phase shifter package by combiner combining, phase shifter package includes work in the first phase shifter of the first radiating bands and works in the second phase shifter of the second radiating bands, first phase shifter is equipped with the first delivery outlet, and the second phase shifter is equipped with the second delivery outlet；First radio frequency connector, the first radio frequency connector are electrically connected with the first delivery outlet；And second radio frequency connector, the second radio frequency connector are electrically connected with the second delivery outlet.The feeding network system and antenna for base station can effectively reduce the usage quantity of transmission cable, convenient for integrating more radiating bands, and can complete to arrange in a smaller space, and intermodulation stability is high.
Description
Technical field
The utility model relates to antenna for base station technical fields, more particularly to a kind of antenna for base station and its feeding network system
System.
Background technique
With the update of communication standard, in based mobile communication network and the standard and frequency range deposited are more and more；With
This simultaneously, it is horizontal that policy requirements improve infrastructure of telecommunication Joint construction and sharing, reduces steel tower and relevant rudimentary in telecommunications industry and sets
The repeated construction applied, further promotion economizes on resources and environmental protection, reduces the overall investment scale of China Mobile's network；
And steel tower company sets up, operator has the right for arbitrarily building steel tower no longer, and terrace resource rent is not only expensive but also more
It is nervous.Therefore multisystem multiband antenna for base station becomes trend of the times.
At present multisystem antenna for base station due to frequency range it is more and more, antenna for base station is smaller and smaller, the feedback of base-station antenna array
Electric network becomes increasingly complex, and causes backside space more and more nervous.And the frequency range that antenna for base station integrates is more, and feeding network is got over
Complexity, the intermodulation stability for causing electricity to adjust antenna for base station are poor.
Utility model content
Based on this, it is necessary to provide a kind of antenna for base station and its feeding network system.The feeding network system can be realized
The mode of the signal combining of at least two radiating bands is transmitted, and the usage quantity of transmission cable is effectively reduced, and is provided more
The space that can be routed is conducive to antenna for base station and develops toward multiband and miniaturizationization；The antenna for base station uses above-mentioned transmission network
Network system can integrate more radiating bands, and can complete to arrange in a smaller space, and intermodulation stability is high.
Its technical solution is as follows:
On the one hand, the application provides a kind of feeding network system, including radiating curtain unit, the radiating curtain unit packet
Include the first radiating element that working frequency range is the first radiating bands and the second radiation list that working frequency range is the second radiating bands
Member, first radiating bands are not overlapped with second radiating bands；It is combined structure, the combining structure includes and the spoke
Penetrate the one-to-one combiner of display unit and phase shifter package；First radiating element and second radiating element
It is electrically connected on the phase shifter package by combiner combining, the phase shifter package includes work in first spoke
In the second phase shifter of second radiating bands, first phase shifter is equipped with for first phase shifter of radio band and work
First delivery outlet, second phase shifter are equipped with the second delivery outlet；First radio frequency connector, first radio frequency connector and
The electrical connection of one delivery outlet；And second radio frequency connector, the second radio frequency connector are electrically connected with second delivery outlet.
When the feeding network system is applied in antenna for base station, it is the first radiation frequency that first input end, which accesses radiating bands,
First radiating element of section, the second input terminal access the second radiating element that radiating bands are the second radiating bands, the first radio frequency
Connector is electrically connected with the first delivery outlet, and the second radio frequency connector is electrically connected with the second delivery outlet.So carried out using combiner
Signal combining can reduce the quantity of transmission cable, reduce wiring difficulty, save wiring space；The first phase shifter is utilized simultaneously
And second phase shifter information is handled respectively after corresponding be transmitted further to corresponding first radio frequency connector, the connection of the second radio frequency
Device can reduce Intermodulation Interference, improve the stability of antenna for base station intermodulation.The feeding network system not believes the frequency range being overlapped
It number is only transmitted in antennas by coaxial cable all the way, it is possible to reduce the quantity of transmission cable reduces wiring difficulty, saves
Wiring space；It is corresponding after being handled respectively information using the first phase shifter and the second phase shifter simultaneously to be transmitted further to corresponding the
One radio frequency connector, the second radio frequency connector can reduce Intermodulation Interference, improve the stability of antenna for base station intermodulation.
Technical solution is illustrated further below:
The combiner includes for accessing the first input end of the first radiating element, using in one of the embodiments,
In the second input terminal, the first output end, the electrical connection first input end and first output that access the second radiating element
First microstrip line at end and the second microstrip line of electrical connection second input terminal and first output end, described first
Microstrip line is equipped with only at least one first filtering minor matters by first radiating bands, and second microstrip line is equipped with only logical
Cross at least one second filtering minor matters of second radiating bands；First phase shifter and second phase shifter are and institute
The electrical connection of the first output end is stated, first phase shifter is additionally provided with the first input port, first input port and described first defeated
It is equipped between outlet and minor matters is only filtered by least one third of first radiating bands, second phase shifter is additionally provided with
Second input port is equipped between second input port and second delivery outlet and only passes through second radiating bands at least
One the 4th filtering minor matters, second input port or/and first input port are electrically connected with first output end.
First radiating bands are low frequency radiation frequency range in one of the embodiments, and second radiating bands are
High frequency radiation frequency range；The length of the first filtering minor matters and third filtering minor matters is in the high-frequency work frequency range of combiner
The short-circuit minor matters of λ/4 of the low frequency operation frequency range center frequency point of the open circuit minor matters or combiner of λ/4 of heart frequency point, described second
Filter the open circuit branch of λ/4 of low frequency operation frequency range center frequency point of the length of minor matters and the 4th filtering minor matters for combiner
The short-circuit minor matters of high-frequency work frequency range center frequency point λ/4 of section or combiner.
In one of the embodiments, it is described first filtering minor matters and the third filtering minor matters include the first micro-strip body,
Second micro-strip body and third micro-strip body, one end of the first micro-strip body are electrically connected with first microstrip line, and described first is micro-
The other end with body is electrically connected with one end of the second micro-strip body and the first micro-strip body and the second micro-strip body are mutual
Vertically, the other end of the second micro-strip body is electrically connected and the second micro-strip body and institute with one end of the third micro-strip body
State third micro-strip body on the same line.
The first filtering minor matters are three and along the vertical side of first microstrip line in one of the embodiments,
It is arranged to uniform intervals, the second filtering minor matters are two, and are set along the transverse direction uniform intervals of second microstrip line
It sets.
The combiner further includes access and first radiating bands and second spoke in one of the embodiments,
The third input terminal for the third radiating bands that radio band is not overlapped is set between the third input terminal and first output end
There is third microstrip line, the third microstrip line, which is equipped with, only filters minor matters by the third of the third radiating bands；It is corresponding, institute
Stating phase shifter package further includes third phase shifter of the work in third radiating bands, the third phase shifter, first phase shift
Device and second phase shifter are electrically connected with the first output end, and the third phase shifter is equipped with and is electrically connected with third radio frequency connector
The 4th delivery outlet connect and third input port, the third input port pass through first phase shifter or second phase shift
Device is electrically connected with the first output end or transmission cable is electrically connected with the first output end.
The combiner at least two in one of the embodiments, all first input ports share described
One delivery outlet, second phase shifter be equipped with one-to-one second input port of the combiner, all described second
Input port shares second delivery outlet.
On the other hand, present invention also provides a kind of feeding network system, including above-mentioned combining structure, further include with it is described
The one-to-one radiating curtain unit of combiner, the first radio frequency connector and the second radio frequency connector, the radiating curtain list
Member includes the first radiating element that working frequency range is the first radiating bands and the second spoke that working frequency range is the second radiating bands
Unit is penetrated, first radiating element is electrically connected with the first input end, second radiating element and second input
End electrical connection, first radio frequency connector are electrically connected with the first delivery outlet, the second radio frequency connector and second delivery outlet
Electrical connection.
First radiating element is low frequency radiating element in one of the embodiments, and second radiating element is
High frequency radiating element, and the second radiating element at least two of the same radiating curtain unit；One of them described second spoke
It penetrates unit to be nested in first radiating element, at least one described second radiating element is set to first radiating element
Outside.
All second radiating elements are electrically connected by power splitter and second input terminal in one of the embodiments,
It connects.
On the other hand, present invention also provides a kind of antenna for base station, including above-mentioned feeding network system, the radiating curtains
Unit is multiple, and is arranged along same rectilinear direction interval, is equipped at least one between two neighboring first radiating element
Second radiating element.
The antenna for base station, which uses above-mentioned feeding network system, can integrate more radiating bands, and can be lesser
Arrangement is completed in space, and intermodulation stability is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the feeding network system in an embodiment；
Fig. 2 is the schematic side view of feeding network system shown in FIG. 1；
Fig. 3 is the enlarged diagram of combiner shown in FIG. 1；
Fig. 4 is the enlarged diagram of phase shifter package shown in FIG. 1；
Fig. 5 is that electricity adjusts antenna for base station schematic illustration in an embodiment.
Description of symbols:
100, combiner, 110, first input end, the 120, second input terminal, the 130, first output end, the 140, first micro-strip
Line, the 150, second microstrip line, the 160, first filtering minor matters, the 162, first micro-strip body, the 164, second micro-strip body, 166, third micro-strip
Body, the 170, second filtering minor matters, 200, phase shifter package, the 210, first phase shifter, the 212, first delivery outlet, the 214, first input
Mouthful, 216, third delivery outlet, the 220, second phase shifter, the 222, second input port, the 224, second delivery outlet, 300, radiating curtain list
Member, the 310, first radiating element, the 320, second radiating element, the 400, first radio frequency connector, the 500, second radio frequency connector,
600, power splitter, 700, reflecting plate.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that when element is referred to as " being fixed on ", " being set to ", " being fixedly arranged on " or " install in " another yuan
Part, it can directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection "
Another element, it can be directly to another element or may be simultaneously present centering elements.When element with it is another
The perfect condition that a element is mutually perpendicular to or near normal both refers to is vertical, but the influence because manufacturing and assembling, can be with
There are certain vertical errors.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement
For illustrative purposes only, it is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
" first ", " second " involved in the utility model, " third " do not represent specific quantity and sequence, only use
In the differentiation of title.
As shown in Fig. 1, Fig. 3 and Fig. 4, in an embodiment, a kind of feeding network system, including radiating curtain unit are provided
300, the first radio frequency connector 400 and the second radio frequency connector 500, radiating curtain unit 300 include that working frequency range is first
The first radiating element 310 and working frequency range of radiating bands are the second radiating element 320 of the second radiating bands, the first spoke
Radio band 310 is not overlapped with the second radiating bands 320；It is combined structure, combining structure includes corresponding with radiation display unit
Combiner 100 and phase shifter package 200；First radiating element 310 and the second radiating element 310 are closed by combiner 100
Road is electrically connected on phase shifter package 200, phase shifter package 200 include work the first radiating bands the first phase shifter 210,
And work, in the second phase shifter 220 of the second radiating bands, the first phase shifter 210 is equipped with the first delivery outlet 212, the second phase shift
Device 220 is equipped with the second delivery outlet 224；First radio frequency connector 400, the first radio frequency connector 400 are electrically connected with the first delivery outlet 212
It connects；And second radio frequency connector 500, the second radio frequency connector 500 are electrically connected with the second delivery outlet 224.
When the feeding network system is applied in antenna for base station, carrying out signal combining using combiner 100 can subtract
The quantity of few transmission cable reduces wiring difficulty, saves wiring space；The first phase shifter 210 and the second phase shifter are utilized simultaneously
220 information is handled respectively after corresponding be transmitted further to corresponding first radio frequency connector 400, the second radio frequency connector 500, energy
Intermodulation Interference is enough reduced, the stability of antenna for base station intermodulation is improved.The feeding network system uses above-mentioned combining structure, can
Greatly reduce the use of transmission cable, optimize wiring space, adapts to antenna for base station multiband and miniaturizationization growth requirement.
On the basis of the above embodiments, in an embodiment, combiner 100 includes for accessing the first radiating element 310
First input end 110, for access with the second input terminal 120 of the second radiating element 320, the first output end 130, be electrically connected
First input end 110 and the first microstrip line 140 of the first output end 130 and it is electrically connected the second input terminal 120 and the first output
Second microstrip line 150 at end 130, the first microstrip line 140 are equipped with only at least one first filtering branch by the first radiating bands
Section 160, the second microstrip line 150 are equipped with only at least one second filtering minor matters 170 by the second radiating bands；And first phase shift
Device 210 is electrically connected with the first output end 130 with the second phase shifter 220, and the first phase shifter 210 is additionally provided with the first input port 214,
It is equipped between first input port 214 and the first delivery outlet 212 and minor matters is only filtered by least one third of the first radiating bands,
Second phase shifter 220 is additionally provided with the second input port 222, is equipped between the second input port 222 and the second delivery outlet 224 only by the
At least one the 4th filtering minor matters of two radiating bands, the second input port 222 or/and the first input port 214 and the first output end
130 electrical connections.
Above-mentioned combining structure is in use, first input end 110 accesses the first radiation that radiating bands are the first radiating bands
Unit 310, the second input terminal 120 access the second radiating element 320 that radiating bands are the second radiating bands, the connection of the first radio frequency
Device 400 is electrically connected with the first delivery outlet 212, and the second radio frequency connector 500 is electrically connected with the second delivery outlet 224.So utilize conjunction
Road device 100, which carries out signal combining, can reduce the quantity of transmission cable, reduce wiring difficulty, save wiring space；Benefit simultaneously
It is corresponding after being handled respectively information with the first phase shifter 210 and the second phase shifter 220 to be transmitted further to corresponding first radio frequency company
Device 400, the second radio frequency connector 500 are connect, Intermodulation Interference can be reduced, improves the stability of antenna for base station intermodulation.
It should be noted that " the first phase shifter 210 is electrically connected with the first output end 130 with the second phase shifter 220 " is
Refer to, " the first phase shifter 210 " and " the second phase shifter 220 " can be directly or indirectly electrically connected with the first output end 130, such as
" the first phase shifter 210 " is electrically connected by coaxial cable with the first output end 130, and " the second phase shifter 220 " passes through coaxial cable
It is electrically connected with the first output end 130；Or " the first phase shifter 210 " is connect by coaxial cable with the first output end 130, " second
Phase shifter 220 " is electrically connected by coaxial cable with " the first phase shifter 210 "；Or " the second phase shifter 220 " by coaxial cable with
The connection of first output end 130, " the first phase shifter 210 " are electrically connected by coaxial cable with " the second phase shifter 220 ".Similarly, " the
Two input ports 222 or/and the first input port 214 are electrically connected with the first output end 130 ".
Specific in this implementation, the first input port 214 of first phase shifter 210 passes through coaxial cable and the first output end
130 electrical connections, the third delivery outlet 216 of the first phase shifter 210 pass through the second delivery outlet of coaxial cable and the second phase shifter 220
222 electrical connections.
As shown in figure 3, based on any of the above embodiments, the first radiating bands are low frequency radiation frequency range, the second spoke
Radio band is high frequency radiation frequency range；The length of first filtering minor matters 160 and third filtering minor matters is the high-frequency work of combiner 100
The short-circuit minor matters of λ/4 of the low frequency operation frequency range center frequency point of the open circuit minor matters or combiner 100 of λ/4 of frequency range center frequency point,
The length of second filtering minor matters 170 and the 4th filtering minor matters is opening for λ/4 of the low frequency operation frequency range center frequency point of combiner 100
The short-circuit minor matters of high-frequency work frequency range center frequency point λ/4 of road minor matters or combiner 100.
Optionally, which is 698MHz-960MHz, and high frequency radiation frequency range is 1700MHz-2690MHz.When
So, the low frequency radiation frequency range and high frequency radiation frequency range can also carry out being set as other frequency ranges as needed.
As shown in figure 3, based on any of the above embodiments, the first filtering minor matters 160 and third filtering minor matters include
First micro-strip body 162, the second micro-strip body 164 and third micro-strip body 166, one end of the first micro-strip body 162 and the first microstrip line 140
Electrical connection, the other end of the first micro-strip body 162 is electrically connected with one end of the second micro-strip body 164 and the first micro-strip body 162 and second
Micro-strip body 164 is mutually perpendicular to, and the other end of the second micro-strip body 164 is electrically connected with one end of third micro-strip body 166 and the second micro-strip
Body 164 and third micro-strip body 166 are on the same line.
Specifically, the overall length of the first micro-strip body 162, the second micro-strip body 164 and third micro-strip body 166 is combiner 100
λ/4 of high-frequency work frequency range center frequency point.
As shown in figure 3, based on any of the above embodiments, the first filtering minor matters 160 are three and along the first micro-strip
The vertical direction uniform intervals of line 140 are arranged, and the second filtering minor matters 170 are two, and along the transverse direction of the second microstrip line 150
Uniform intervals setting.
Based on any of the above embodiments, combiner 100 further includes access and the first radiating bands and the second radiation
The third input terminal for the third radiating bands that frequency range is not overlapped is equipped with third between third input terminal and the first output end 130
Microstrip line, third microstrip line, which is equipped with, only filters minor matters by the third of third radiating bands；Corresponding, phase shifter package 200 is also
Including the third phase shifter to work in third radiating bands, third phase shifter (not shown), the first phase shifter 210 and the second phase shift
Device 220 is electrically connected with the first output end 130, and third phase shifter is equipped with the 4th delivery outlet being electrically connected with third radio frequency connector
(not shown) and third input port (not shown), third input port by the first phase shifter 210 or the second phase shifter 220 with
The electrical connection of first output end 130 or transmission cable are electrically connected with the first output end 130.
In this way, 100 structure of combiner is able to carry out the signal combining of three frequency ranges.It, similarly can be with reference to above structure
The signal combining of more than four frequency ranges is carried out, so convenient for being applied in multiband antenna for base station, simplifies antenna for base station feed
The arrangement at network provides the intermodulation stability that electricity adjusts antenna for base station.
It should be noted that by least two phase shifter of setting, so that the signal of corresponding frequency band passes through corresponding shifting
Phase device carries out phase shift, and other frequency band signals is blocked to pass through in the phase shifter, will combining signal by corresponding phase shifter into
Row branch can be avoided and interfere with each other between adjustment signal so when carrying out the adjustment of antenna for base station angle of declination, refer to so that adjusting
Order is accurately conveyed on corresponding radiating element, without influencing other radiating elements.
The transmission cable is preferably coaxial cable.
As shown in Figure 1, based on any of the above embodiments, combiner 100 at least two, all first input ports
214 share the first delivery outlets 212, the second phase shifter 220 be equipped with one-to-one second input port 222 of combiner 100, own
Second input port 222 shares the second delivery outlet 224.So at least two first input ports 214 can be integrated in the first phase shift
On device 210, at least two second input ports 222 are integrated in the second phase shifter 220 glittering, are conducive to the back for saving reflecting plate
Space of planes.
As shown in Figure 1, on the basis of any embodiment of Shangrao, the first radiating element 310 is low frequency radiating element, second
Radiating element 320 is high frequency radiating element, and the second radiating element 320 at least two of same radiating curtain unit 300；Wherein
One the second radiating element 320 is nested in the first radiating element 310, at least one second radiating element 320 is set to first
Outside radiating element 310.The degree of coupling between low frequency radiating element and high frequency radiating element can be so reduced, so that antenna for base station is logical
Believe better quality.
In Shangrao on the basis of any embodiment, all second radiating elements 320 pass through power splitter 600 and the second input terminal
120 electrical connections.It is so adjustable to be carried out the power of identical second radiating element 320 of more than two frequencies by power splitter 600
After superposition, then it is combined with the first radiating element 310, it can further retrieval cable quantity.
As shown in Figures 1 and 5, in an embodiment, a kind of antenna for base station, including above-mentioned feeding network system are improved, is radiated
Array element 300 is multiple, and is arranged along same rectilinear direction interval, is equipped with extremely between two neighboring first radiating element 310
Few second radiating element 320.
The antenna for base station is in use, assume that the first radiating bands of the first radiating element 310 are 698MHz-960MHz, the
Two radiating elements 320 are two, and the second radiating element 320 is 1700MHz-2690MHz.At this point, two the second radiating elements
320 are connected together by power splitter 600, are then combined with the second radiating element 320 by combiner 100, the combiner
100 is received by the received 1700MHz-2690MHz frequency band signals of the second radiating element 320 and the first radiating element 310101
698MHz-960MHz frequency band signals are combined as signal all the way；Signal after combining is inputted by the first input port 214 into the
One phase shifter 210 passes through after the first phase shifter 210 and the second phase shifter 220 are respectively completed the independent phase shift of high and low frequency
First delivery outlet 212 exports high-frequency signal to the first radio frequency connector 400, is arrived by 224 output low frequency signal of the second delivery outlet
Second radio frequency connector 500；Since circuit is reversible, signal transmits be equally possible in turn.With the above arrangement, making
Obtaining high and low frequency signal can only be transmitted by coaxial cable all the way in antenna for base station, save making for half coaxial cable
With on the one hand greatling save antenna for base station space, simplify multifrequency electricity tune antenna for base station feeding network, save multifrequency electricity tune base station day
Line backside space；On the other hand, intermodulation hidden danger point and noise spot are greatly reduced, the intermodulation for promoting multifrequency electricity tune antenna for base station is stablized
Property.
As shown in Figure 1, the radiating curtain unit 300 is arranged to form a column radiating curtain along same rectilinear direction interval, this
Embodiment has two column radiating curtains.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of feeding network system characterized by comprising
Radiating curtain unit, the radiating curtain unit include working frequency range be the first radiating bands the first radiating element, with
And working frequency range is the second radiating element of the second radiating bands, first radiating bands are not weighed with second radiating bands
It closes；
It is combined structure, the combining structure includes and the one-to-one combiner of the radiating curtain unit and phase shifter group
Part；First radiating element and second radiating element are combined by the combiner is electrically connected to the phase shifter package
On, the phase shifter package includes work in the first phase shifter of first radiating bands and works in second spoke
Second phase shifter of radio band, first phase shifter are equipped with the first delivery outlet, and second phase shifter is equipped with the second delivery outlet；
First radio frequency connector, first radio frequency connector are electrically connected with the first delivery outlet；And
Second radio frequency connector, the second radio frequency connector are electrically connected with second delivery outlet.
2. feeding network system according to claim 1, which is characterized in that the combiner includes for accessing the first spoke
Penetrate the first input end of unit, the second input terminal for accessing the second radiating element, the first output end, electrical connection described first
Input terminal and the first microstrip line of first output end and it is electrically connected second input terminal and first output end
Second microstrip line, first microstrip line are equipped with only at least one first filtering minor matters by first radiating bands, institute
It states the second microstrip line and is equipped with only at least one second filtering minor matters by second radiating bands；
First phase shifter is electrically connected with first output end with second phase shifter, and first phase shifter is also set
There is the first input port, is equipped between first input port and first delivery outlet and only passes through first radiating bands extremely
A few third filters minor matters, and second phase shifter is additionally provided with the second input port, second input port and described second defeated
Between outlet be equipped with only by second radiating bands at least one the 4th filter minor matters, second input port or/and
First input port is electrically connected with first output end.
3. feeding network system according to claim 2, which is characterized in that first radiating bands are low frequency radiation frequency
Section, second radiating bands are high frequency radiation frequency range；It is described first filtering minor matters and the third filtering minor matters length be
The low frequency operation frequency range center frequency point of the open circuit minor matters or combiner of λ/4 of the high-frequency work frequency range center frequency point of combiner
The length of the short-circuit minor matters of λ/4, the second filtering minor matters and the 4th filtering minor matters is the low frequency operation frequency range of combiner
The short-circuit minor matters of high-frequency work frequency range center frequency point λ/4 of the open circuit minor matters or combiner of λ/4 of center frequency point.
4. feeding network system according to claim 2, which is characterized in that the first filtering minor matters and third filter
Wave minor matters include the first micro-strip body, the second micro-strip body and third micro-strip body, one end of the first micro-strip body and described first micro-
Band line is electrically connected, and the other end of the first micro-strip body is electrically connected with one end of the second micro-strip body and first micro-strip
Body is mutually perpendicular to the second micro-strip body, and the other end of the second micro-strip body and one end of the third micro-strip body are electrically connected
Connect and the second micro-strip body and the third micro-strip body on the same line.
5. feeding network system according to claim 2, which is characterized in that the first filtering minor matters are three and edge
The vertical direction uniform intervals of first microstrip line are arranged, and the second filtering minor matters are two, and along second micro-strip
The transverse direction uniform intervals of line are arranged.
6. feeding network system according to claim 2, which is characterized in that the combiner further includes access and described the
The third input terminal for the third radiating bands that one radiating bands and second radiating bands are not overlapped, the third input terminal
Third microstrip line is equipped between first output end, the third microstrip line, which is equipped with, only passes through the third radiating bands
Third filters minor matters；Corresponding, the phase shifter package further includes third phase shifter of the work in third radiating bands, and described
Three phase shifters, first phase shifter and second phase shifter are electrically connected with the first output end, and the third phase shifter is set
There are the 4th delivery outlet being electrically connected with third radio frequency connector and a third input port, the third input port passes through described the
One phase shifter or second phase shifter are electrically connected with the first output end or transmission cable is electrically connected with the first output end.
7. feeding network system according to claim 1, which is characterized in that first radiating element is low frequency radiation list
Member, second radiating element are high frequency radiating element, and the second radiating element at least two of the same radiating curtain unit
It is a；One of them described second radiating element is nested in first radiating element, at least one described second radiating element
It is set to outside first radiating element.
8. feeding network system according to claim 7, which is characterized in that all second radiating elements pass through function point
Device is electrically connected with second input terminal.
9. according to the described in any item feeding network systems of claim 2 to 6, which is characterized in that the combiner is at least two
A, first phase shifter is equipped with and one-to-one first input port of the combiner, all first input ports
First delivery outlet is shared, second phase shifter is equipped with and one-to-one second input port of the combiner, institute
There is second input port to share second delivery outlet.
10. a kind of antenna for base station, which is characterized in that including feeding network system as described in any one of claim 1 to 9, institute
It is multiple for stating radiating curtain unit, and is arranged along same rectilinear direction interval, is set between two neighboring first radiating element
There is at least one second radiating element.
Priority Applications (1)
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| CN201821664518.5U CN209071598U (en) | 2018-10-15 | 2018-10-15 | Antenna for base station and its feeding network system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970712A (en) * | 2019-12-11 | 2020-04-07 | 京信通信技术(广州)有限公司 | Multi-frequency combining antenna |
| CN111276794A (en) * | 2020-03-20 | 2020-06-12 | 京信通信技术(广州)有限公司 | Frequency division base station antenna and feed network thereof |
| CN112436277A (en) * | 2020-10-27 | 2021-03-02 | 武汉虹信科技发展有限责任公司 | Array antenna |
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2018
- 2018-10-15 CN CN201821664518.5U patent/CN209071598U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970712A (en) * | 2019-12-11 | 2020-04-07 | 京信通信技术(广州)有限公司 | Multi-frequency combining antenna |
| CN110970712B (en) * | 2019-12-11 | 2024-04-26 | 京信通信技术(广州)有限公司 | Multi-frequency combined antenna |
| CN111276794A (en) * | 2020-03-20 | 2020-06-12 | 京信通信技术(广州)有限公司 | Frequency division base station antenna and feed network thereof |
| CN112436277A (en) * | 2020-10-27 | 2021-03-02 | 武汉虹信科技发展有限责任公司 | Array antenna |
| CN112436277B (en) * | 2020-10-27 | 2023-04-14 | 中信科移动通信技术股份有限公司 | Array antenna |
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Effective date of registration: 20200114 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |