CN207409660U - A kind of filtering duplexed antenna based on open-loop resonator - Google Patents
A kind of filtering duplexed antenna based on open-loop resonator Download PDFInfo
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- CN207409660U CN207409660U CN201721421399.6U CN201721421399U CN207409660U CN 207409660 U CN207409660 U CN 207409660U CN 201721421399 U CN201721421399 U CN 201721421399U CN 207409660 U CN207409660 U CN 207409660U
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Abstract
The utility model discloses a kind of filtering duplexed antennas based on open-loop resonator, include the rectangular patch of the short-circuit column of loading among one, the parasitic rectangular patch of one stacking, transmission channel feed probes, receiving channel feed probes, reflect floor, emission port, receiving port, transmission channel feeding network and receiving channel feeding network, wherein, rectangular patch is printed on the upper surface of intermediate medium substrate, the parasitic rectangular patch of stacking is printed on the upper surface of upper layer medium substrate, reflection floor is printed on the upper surface of layer dielectric substrate, transmission channel feeding network and receiving channel feeding network are printed on the lower surface of layer dielectric substrate.The filtering duplexed antenna introduces open-loop resonator as feeding network, has filtering duplex capability, can realize that transmitting and reception are carried out at the same time, and the electromagnetic wave that the transmitting of antenna is used with reception is linear polarised electromagnetic wave.
Description
Technical field
The utility model is related to wireless communication technology fields, and in particular to a kind of filtering duplex day based on open-loop resonator
Line.
Background technology
Antenna is transmitting and the equipment for receiving electromagnetic wave, and antenna-feeder system is the front end of wireless communication system, is channel radio
The indispensable critical component of letter system.Antenna-feeder system includes antenna, wave filter and duplexer, and conventional method is that three sets respectively
Then meter is attached with radio-frequency cable so that whole system volume is big, weight weight, especially by feeder line and matching network band
The loss come can greatly reduce the transmission efficiency of signal.
In modern mobile communication system, in order to realize the compact-sized, light-weight of system, miniaturization, excellent performance, one
The antenna-feeder system of body becomes development trend.Duplexed antenna, which combines the front-end devices such as antenna, wave filter, duplexer, to be set
Meter, the structure for enabling to radio-frequency front-end system is compacter, reduce it is unnecessary loss introduce so that communication system it is small-sized
Change and be more prone to realize with integrated.The feeder line that the integrated design of radio-frequency front-end will be abandoned the matching network at both ends and be connected,
This can significantly improve the transmission efficiency of signal, while wireless communication system is caused to minimize, is light-weight.
For current same polarization duplexed antenna there are the interval of transmitting-receiving frequency is bigger, interport isolation is low, also needs electricity sometimes
Pass enters transmission zero to improve transceiver insulation, causes more complicated circuit structure, and antenna gain it is not high the shortcomings of.
Utility model content
The purpose of this utility model is in view of the above shortcomings of the prior art, to provide a kind of filter based on open-loop resonator
Ripple duplexed antenna, the antenna be same polarization alien frequencies duplexed antenna, without introduce additional circuit with realize transmission zero improve
Isolation allows for having high isolation between transmitting terminal and receiving terminal by open-loop resonator feed.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of filtering duplexed antenna based on open-loop resonator, the filtering duplexed antenna include three layers of Jie parallel to each other
Matter substrate, is respectively upper layer medium substrate, intermediate medium substrate and layer dielectric substrate, and the upper layer medium substrate and centre are situated between
Matter substrate is spaced apart, and intermediate medium substrate and layer dielectric substrate are seamlessly connected, and are further included and are printed on top dielectric base
The parasitic rectangular patch of the stacking of plate upper surface is printed on the rectangular patch of intermediate medium upper surface of base plate, is printed on lower floor Jie
The reflection floor of matter upper surface of base plate is printed on the transmission channel feeding network of layer dielectric base lower surface and receiving channel feedback
Electric network loads on the rectangular patch length direction central axis and short at equal intervals through a row of intermediate medium substrate
Lu Zhu, transmission channel feed probes, receiving channel feed probes, emission port and receiving port；The transmission channel feed is visited
Pin and receiving channel feed probes one end are connected with rectangular patch, the other end be each passed through intermediate medium substrate, reflection floor, under
Layer medium substrate is connected with transmission channel feeding network and receiving channel feeding network, meanwhile, the transmission channel feeding network
It is connected respectively with emission port and receiving port with the other end of receiving channel feeding network.
Further, the transmission channel feeding network includes the first microstrip feed line, the first microstrip coupled line, transmission channel
First open-loop resonator, the second open-loop resonator of transmission channel, the second microstrip coupled line and the second microstrip feed line；Described receive is led to
Road feeding network includes the 3rd microstrip feed line, the 3rd microstrip coupled line, the 3rd open-loop resonator of receiving channel, receiving channel the 4th
Open-loop resonator, the 4th microstrip coupled line and the 4th microstrip feed line.
Further, one end of the transmission channel feeding network is connected by the first microstrip feed line with emission port, separately
One end is connected by the second microstrip feed line with the transmission channel feed probes；One end of the receiving channel feeding network passes through
3rd microstrip feed line is connected with receiving port, and the other end is connected by the 4th microstrip feed line with the receiving channel feed probes.
Further, the upper end of the short-circuit column is connected to rectangular patch, and lower end is connected to reflection floor, and along rectangle
The length direction central axis of patch equidistantly arranges, and the geometric center on rectangular patch is symmetrical.
Further, the geometric center of the transmission channel feed probes and receiving channel feed probes on rectangular patch
Symmetrically, and all on the width central axis of the rectangular patch.
Further, between the first open-loop resonator of the described first microstrip coupled line and transmission channel there are coupling gap,
There are coupling gap, the transmitting are logical between first open-loop resonator of transmission channel and the second open-loop resonator of transmission channel
There are coupling gap between the second open-loop resonator of road and the second microstrip coupled line, and all coupling gaps are adjustable.
Further, between the 3rd microstrip coupled line and the 3rd open-loop resonator of receiving channel there are coupling gap,
There are coupling gap, described receive between the 3rd open-loop resonator of receiving channel and receiving channel pendant collet resonator to lead to
There are coupling gap between road pendant collet resonator and the 4th microstrip coupled line, and all coupling gaps are adjustable.
Further, it is printed on the rectangular patch of intermediate medium upper surface of base plate and loads in the rectangular patch length side
Short-circuit column can generate a tool there are two resonant modes at equal intervals on central axis and through a row of intermediate medium substrate
The single polarization paster antenna of formula；There are two humorous for the first open-loop resonator of transmission channel, the second open-loop resonator of transmission channel and tool
The low frequency resonant modes of the single polarization paster antenna for pattern of shaking be coupled generation transmitting antenna cause frequency be fHairTransmission letter
Number can be by, and frequency is fIt receivesReception signal cannot pass through；The 3rd open-loop resonator of receiving channel, receiving channel the 4th are opened
Ring resonator and tool are coupled the reception antenna of generation there are two the high-frequency resonant mode of the single polarization paster antenna of mode of resonance
So that frequency is fIt receivesReception signal can be by, and frequency is fHairTransmission signal cannot pass through.
The utility model compared with prior art, has the following advantages that and advantageous effect：
1st, the utility model is pasted by that will load the rectangular patch of the short-circuit column equidistantly arranged and the parasitic rectangle of stacking
The emitted passage feed probes of piece or receiving channel feed probes feed design single pole of one tool there are two mode of resonance
The paster antenna of change, and the frequency point interval of two modes of resonance is near, is easy to implement the near frequency division duplex in transmitting receives frequency interval
Antenna.
2nd, filtering duplexed antenna circuit structure of the utility model based on open-loop resonator is simple, without introducing additional electricity
Road with realize transmission zero improve isolation, by open-loop resonator feed i.e. may be such that between transmitting terminal and receiving terminal have it is high every
From degree.
3rd, the transmission channel of the utility model and receiving channel can be by adjusting corresponding microstrip coupled line and corresponding open loop
The coupling gap between coupling gap, open-loop resonator and open-loop resonator between resonator so that the filtering duplexed antenna
Transmission channel and receiving channel work together unaffected, realize transmission channel and the small mutual interference of receiving channel.
Description of the drawings
Fig. 1 is the general construction schematic diagram that the utility model embodiment filters duplexed antenna.
Fig. 2 is that the utility model embodiment filters the general construction schematic diagram of duplexed antenna and the size numbers mark of section components
Note.
Fig. 3 filters the duplexed antenna front cross-sectional that central axis upright is splitted along its length for the utility model embodiment
Figure.
Fig. 4 is the size numbers mark figure of the utility model embodiment upper layer medium substrate surface structure.
Fig. 5 is the size numbers mark figure of the utility model embodiment intermediate medium upper surface of base plate structure.
Fig. 6 is the size numbers mark figure of the utility model embodiment layer dielectric base lower surface structure.
Fig. 7 is the emulation S parameter graph that the utility model embodiment filters duplexed antenna.
Fig. 8 is that the utility model embodiment filters the simulated gain of duplexed antenna with frequency variation curve figure.
Fig. 9 (a) is that xoz face of the utility model embodiment emission port under 2.35GHz excitations emulates directional diagram；Fig. 9
(b) the yoz faces for the utility model embodiment emission port under 2.35GHz excitations emulate directional diagram.
Figure 10 (a) is that xoz face of the utility model embodiment receiving port under 2.7GHz excitations emulates directional diagram；Figure 10
(b) the yoz faces for the utility model embodiment receiving port under 2.7GHz excitations emulate directional diagram.
Wherein, the parasitic rectangular patch that 1- is stacked, 2- rectangular patches, 3- short circuit columns, 4- transmission channel feed probes, 5- connect
Receive passage feed probes, the first microstrip feed lines of 6-, the first microstrip coupled lines of 7-, the first open-loop resonator of 8- transmission channels, 9- hairs
Penetrate the second open-loop resonator of passage, the second microstrip coupled lines of 10-, the second microstrip feed lines of 11-, the 3rd microstrip feed lines of 12-, 13-
Three microstrip coupled lines, the 3rd open-loop resonator of 14- receiving channels, 15- receiving channel pendant collet resonators, the 4th micro-strips of 16-
Coupling line, the 4th microstrip feed lines of 17-, 18- emission ports, 19- receiving ports, 20- upper layer medium substrates, 21- intermediate medium bases
Plate, 22- layer dielectric substrates, 23- reflections floor.
Specific embodiment
The utility model is described in further detail with reference to embodiment and attached drawing, but the implementation of the utility model
Mode is without being limited thereto.
Embodiment：
As shown in Figure 1, Figure 2 and Figure 3, a kind of filtering duplexed antenna based on open-loop resonator, institute are present embodiments provided
Stating filtering duplexed antenna includes three layers of medium substrate parallel to each other, is respectively upper layer medium substrate (20), intermediate medium substrate
(21) and layer dielectric substrate (22), the upper layer medium substrate (20) and intermediate medium substrate (21) are spaced apart, in
Between medium substrate (21) and layer dielectric substrate (22) be seamlessly connected, further include and be printed on upper layer medium substrate (20) upper surface
The parasitic rectangular patch (1) of stacking is printed on the rectangular patch (2) of intermediate medium substrate (21) upper surface, is printed on lower floor Jie
The reflection floor (23) of matter substrate (22) upper surface is printed on the transmission channel feeding network of layer dielectric substrate (22) lower surface
With receiving channel feeding network, load on the rectangular patch (2) length direction central axis and through intermediate medium substrate
(21) a row short-circuit column (3) at equal intervals, transmission channel feed probes (4), receiving channel feed probes (5), emission port
(18) and receiving port (19)；The transmission channel feed probes (4) and receiving channel feed probes (5) one end and rectangular patch
(2) it is connected, it is logical that the other end is each passed through intermediate medium substrate (21), reflection floor (23), layer dielectric substrate (22) and transmitting
Road feeding network is connected with receiving channel feeding network, meanwhile, the transmission channel feeding network and receiving channel feeding network
The other end be connected respectively with emission port (18) and receiving port (19).
Wherein, the transmission channel feeding network includes the first microstrip feed line (6), the first microstrip coupled line (7), emits and lead to
The first open-loop resonator of road (8), the second open-loop resonator of transmission channel (9), the second microstrip coupled line (10) and the feedback of the second micro-strip
Line (11), one end of first microstrip feed line (6) are connected with emission port (18), the other end and the first microstrip coupled line (7)
It is connected, is coupled between the first microstrip coupled line (7) and the first open-loop resonator of transmission channel (8), the first open loop of transmission channel is humorous
It shakes and is coupled between device (8) and the second open-loop resonator of transmission channel (9), second open-loop resonator of transmission channel (9) and
It is coupled between two microstrip coupled lines (10), the second microstrip coupled line (10) is connected with the second microstrip feed line (11), and described second is micro-
Ribbon feeder (11) is connected to transmission channel feed probes (4), and transmission channel feed probes (4) are to the rectangular patch of the short-circuit column of loading
(2) feed, load parasitic rectangular patch (1) of the rectangular patch (2) of short-circuit column by couple feed to stacking.The short-circuit column of loading
Rectangular patch (2), equidistantly arranged on the horizontal center line of rectangular patch (2) 15 short-circuit columns (3), the parasitisms stacked
The position of air layer height and transmission channel feed probes (4) between rectangular patch (1), the length for reflecting floor (23), medium substrate
Put by reasonably select paster antenna can have there are two mode of resonance and single polarization mode.As an example,
When requiring fHair=2.35GHz, fIt receivesDuring=2.7GHz, Jie that relative dielectric constant is 2.55, thickness is h=0.8mm may be employed
Scutum makees substrate, the length for loading the rectangular patch (2) of short-circuit column takes 46mm, equidistantly arranging in rectangular patch (2)
Short-circuit column (3) spacing takes 2.875mm, and short-circuit column (3) diameter takes 1mm, and the length of the parasitic rectangular patch (1) of stacking takes
74mm, the length of reflection floor (23) take 92mm, and air layer height takes 6mm between medium substrate, transmission channel feed probes (4)
Position takes the edge 29.2mm of distance reflection floor (23).First microstrip feed line (6), the first microstrip coupled line (7), transmission channel
First open-loop resonator (8), the second open-loop resonator of transmission channel (9), the second microstrip coupled line (10) and the second microstrip feed line
(11) length and width and the coupling spacing of slot-coupled port is f in frequency by reasonably selectingHairReception letter
Number can by, and frequency be fIt connectsTransmission signal cannot pass through.As an example, when requiring fHair=2.35GHz, fIt receives=
During 2.7GHz, the dielectric-slab that relative dielectric constant is 2.55, thickness is h=0.8mm may be employed and do substrate, the first microstrip feed line
(6) length takes 16.2mm, width to take 2.2mm, and the length of the first microstrip coupled line (7) takes 14mm, width to take 0.4mm, transmitting
The first open-loop resonator of passage (8) is each about tranmitting frequency corresponding two with the length of the second open-loop resonator of transmission channel (9)
/ mono- resonance wavelength 49.2mm, width take 1.4mm, the length of the second microstrip coupled line (10) take 14mm, width take 0.4mm,
The length of second microstrip feed line (11) takes 4.6mm, width that 2.2mm is taken to form, and the first microstrip coupled line (7) and the transmitting are led to
Coupling gap between the first open-loop resonator of road (8) takes 0.2mm, first open-loop resonator of transmission channel (8) and institute
Coupling gap between the second open-loop resonator of transmission channel (9) stated takes 1.2mm, transmission channel the second open loop resonance
Coupling gap between device (9) and the second microstrip coupled line (10) takes 0.5mm.It is micro- that the receiving channel feeding network includes the 3rd
Ribbon feeder (12), the 3rd microstrip coupled line (13), the 3rd open-loop resonator (14) of receiving channel, receiving channel pendant collet resonance
Device (15), the 4th microstrip coupled line (16) and the 4th microstrip feed line (17).One end of the transmission channel feeding network passes through
One microstrip feed line (6) is connected with emission port (18), and the other end is fed by the second microstrip feed line (11) and the transmission channel
Probe (4) is connected；One end of the receiving channel feeding network is connected by the 3rd microstrip feed line (12) with receiving port (19),
The other end is connected by the 4th microstrip feed line (17) with the receiving channel feed probes (5).The length of 3rd microstrip feed line (12)
Degree takes 20mm, width to take 2.2mm, and the length of the 3rd microstrip coupled line (13) takes 14mm, width to take 0.6mm, receiving channel the 3rd
Open-loop resonator (14) and the length of receiving channel pendant collet resonator (15) are each about the corresponding half of receives frequency
Resonance wavelength 43.4mm, width take 1mm, and the length of the 4th microstrip coupled line (16) takes 14mm, width to take 0.6mm, the 4th micro-strip
The length of feeder line (17) takes 4.4mm, width to take 2.2mm, the 3rd microstrip coupled line (13) and the 3rd open loop of receiving channel
Coupling gap between resonator (14) takes 0.3mm, the 3rd open-loop resonator (14) of receiving channel and the reception
Coupling gap between passage pendant collet resonator (15) takes 1.5mm, the receiving channel pendant collet resonator (15)
And the 4th coupling gap between microstrip coupled line (16) takes 0.9mm.
In addition, the upper end of the short circuit column (3) is connected to rectangular patch (2), lower end is connected to reflection floor (23), and edge
The length direction central axis for rectangular patch (2) equidistantly arranges, and the geometric center on rectangular patch (2) is symmetrical.It is described
Transmission channel feed probes (4) and receiving channel feed probes (5) are symmetrical on the geometric center of rectangular patch (2), and all exist
On the width central axis of the rectangular patch (2).
There are coupling gaps, described between the first microstrip coupled line (7) and the first open-loop resonator of transmission channel (8)
There are coupling gap, the transmittings between the first open-loop resonator of transmission channel (8) and the second open-loop resonator of transmission channel (9)
There are coupling gap between the second open-loop resonator of passage (9) and the second microstrip coupled line (10), and all coupling gaps are adjustable.
There are coupling gap, described receive between the 3rd microstrip coupled line (13) and the 3rd open-loop resonator (14) of receiving channel to lead to
There are coupling gap, the receiving channels between the 3rd open-loop resonator (14) of road and receiving channel pendant collet resonator (15)
There are coupling gap between pendant collet resonator (15) and the 4th microstrip coupled line (16), and all coupling gaps are adjustable.
It is printed on the rectangular patch (2) of intermediate medium substrate (21) upper surface and loads in the rectangular patch (2) length
Short-circuit column (3) can generate one and have two at equal intervals on the central axis of direction and through a row of intermediate medium substrate (21)
The single polarization paster antenna of a mode of resonance；The first open-loop resonator of transmission channel (8), the second open-loop resonator of transmission channel
(9) and tool there are two mode of resonance single polarization paster antenna low frequency resonant modes be coupled generation transmitting antenna cause frequency
Rate is fHairTransmission signal can be by, and frequency is fIt receivesReception signal cannot pass through；The 3rd open-loop resonator of receiving channel
(14), receiving channel pendant collet resonator (15) and tool there are two mode of resonance single polarization paster antenna high-frequency resonant mould
Formula be coupled generation reception antenna cause frequency be fIt receivesReception signal can be by, and frequency is fHairTransmission signal cannot
Pass through.
When sending, send signal to be sent into from emission port (18), via the first microstrip feed line (6), first is microstrip coupled
Line (7), the first open-loop resonator of transmission channel (8), the second open-loop resonator of transmission channel (9), the second microstrip coupled line (10),
Signal is passed to transmission channel feed probes (4) by the transmission channel feeding network of the second microstrip feed line (11) composition, and transmitting is logical
Signal is passed to the rectangular patch (2) of the short-circuit column of loading by road feed probes (4) again, and finally by rectangular patch, (22 couplings are believed
Number to stack parasitic rectangular patch (1) radiate.
When 330 receiving, receive signal to receive at the parasitic rectangular patch (1) of stacking, the parasitic rectangular patch (1) of stacking
The signal received is coupled to the rectangular patch (2) of the short-circuit column of loading, signal is passed to receiving channel by rectangular patch (2) again
Feed probes (5), receiving channel feed probes (5) again pass to signal by the 3rd microstrip feed line (12), and the 3rd is microstrip coupled
Line (13), the 3rd open-loop resonator (14) of receiving channel, receiving channel pendant collet resonator (15), the 4th microstrip coupled line
(16), the receiving channel feeding network of the 4th microstrip feed line (17) composition, exports from receiving port (19).
The design parameter of filtering duplexed antenna provided in this embodiment based on open-loop resonator is as follows：Three medium substrates
Material it is identical with size, as shown in Fig. 2, thickness c be 0.8mm, width b be 92mm, length a be 72.6mm.Three medium bases
Height h between plate is 6mm.As shown in figure 4, long 1a, the width 1b of the parasitic rectangular patch (1) stacked are respectively 74mm, 46mm.
As shown in figure 5, long 2a, the width 2b of the rectangular patch (2) of the short-circuit column of loading are respectively 46mm, 35.4mm, rectangular patch (2) edge
It is respectively 17.7mm, 19.5mm from intermediate medium substrate edges spacing 2c, 2d.Diameter between equidistant 15 short-circuit columns (3)
3a and spacing 3b is respectively 1mm, 2.875mm.Transmission channel feed probes (4) diameter 4a, transmission channel feed probes (4) center of circle
It is respectively 1mm, 10.6mm from rectangular patch (2) edge spacing 4b.Receiving channel feed probes (5) diameter 5a, receiving channel feedback
Electric probe (5) center of circle is respectively 1mm, 9.3mm from rectangular patch (2) edge spacing 5b.As shown in fig. 6, transmission channel transmission network
Key dimension 6a, 6b of network is respectively 16.2mm, 2.2mm, 7a=10a=11.8mm, 7b=10b=0.4mm, 8a=9a=
9.4mm, 8b=9b=3.5mm, 8c=9c=2.4mm, 8d=9d=1.4mm, 8e, 9e, 10c be respectively 0.2mm, 1.2mm,
0.5mm, 11a, 11b are respectively 4.6mm, 2.2mm.Key dimension 12a, 12b of receiving channel feeding network be respectively 20mm,
2.2mm, 13a=16a=11.8mm, 13b=16b=0.6mm, 14a=15a=7.4mm, 14b=15b=2mm, 14c=15c
=3.4mm, 14d=15d=1mm, 14e, 15e, 16c are respectively 0.3mm, 1.5mm, 0.9mm, 17a, 17b be respectively 4.4mm,
2.2mm.The emission port (18) of the antenna is operated in the frequency band of 2.35GHz, and receiving port (19) is operated in the frequency band of 2.7GHz.
In two frequency bands, the isolation of two ports is all higher than 36dB, as shown in Figure 7.In emission port (18) work of antenna,
Gain of the antenna at emission port (18) working frequency 2.35GHz is 4.6dBi, and 36dB is suppressed over to frequency acceptance band,
During receiving port (19) work of antenna, gain of the antenna at receiving port (19) working frequency 2.7GHz is 6dBi, to hair
Radio frequency band is suppressed over 38dB, as shown in Figure 8.In the range of two working bands, the gain of antenna is substantially all more than 4dBi,
Cross polarization is more than 30dB, and is all the line polarization wave on x directions, as the emulation testing directional diagram 9 (a) of antenna, Fig. 9 (b),
Shown in Figure 10 (a), Figure 10 (b).
The above is only the utility model patent preferred embodiment, but the protection domain of the utility model patent is simultaneously
Not limited to this, any one skilled in the art is in the scope disclosed in the utility model patent, according to this
The technical solution of utility model patent and its inventive concept are subject to equivalent substitution or change, belong to the guarantor of the utility model patent
Protect scope.
Claims (7)
1. a kind of filtering duplexed antenna based on open-loop resonator, it is characterised in that：The filtering duplexed antenna includes three layers mutually
Parallel medium substrate, respectively upper layer medium substrate, intermediate medium substrate and layer dielectric substrate, the top dielectric base
Plate and intermediate medium substrate are spaced apart, and intermediate medium substrate and layer dielectric substrate are seamlessly connected, and are further included and are printed on
The parasitic rectangular patch of the stacking of upper layer medium substrate upper surface is printed on the rectangular patch of intermediate medium upper surface of base plate, print
Brush on the reflection floor of layer dielectric upper surface of base plate, be printed on layer dielectric base lower surface transmission channel feeding network and
Receiving channel feeding network is loaded on the rectangular patch length direction central axis and through a row of intermediate medium substrate
Short circuit column at equal intervals, transmission channel feed probes, receiving channel feed probes, emission port and receiving port；The transmitting
Passage feed probes and receiving channel feed probes one end are connected with rectangular patch, the other end be each passed through intermediate medium substrate,
Reflection floor, layer dielectric substrate are connected with transmission channel feeding network and receiving channel feeding network, meanwhile, the transmitting is logical
The other end of road feeding network and receiving channel feeding network is connected respectively with emission port and receiving port.
2. a kind of filtering duplexed antenna based on open-loop resonator according to claim 1, it is characterised in that：The transmitting
Passage feeding network includes the first microstrip feed line, the first microstrip coupled line, the first open-loop resonator of transmission channel, transmission channel the
Two open-loop resonators, the second microstrip coupled line and the second microstrip feed line；The receiving channel feeding network is presented including the 3rd micro-strip
It is line, the 3rd microstrip coupled line, the 3rd open-loop resonator of receiving channel, receiving channel pendant collet resonator, the 4th microstrip coupled
Line and the 4th microstrip feed line.
3. a kind of filtering duplexed antenna based on open-loop resonator according to claim 2, it is characterised in that：The transmitting
One end of passage feeding network is connected by the first microstrip feed line with emission port, the other end by the second microstrip feed line with it is described
Transmission channel feed probes are connected；One end of the receiving channel feeding network passes through the 3rd microstrip feed line and receiving port phase
Even, the other end is connected by the 4th microstrip feed line with the receiving channel feed probes.
4. a kind of filtering duplexed antenna based on open-loop resonator according to claim 1, it is characterised in that：The short circuit
The upper end of column is connected to rectangular patch, and lower end is connected to reflection floor, and length direction central axis along rectangular patch etc.
Spacing arranges, and the geometric center on rectangular patch is symmetrical.
5. a kind of filtering duplexed antenna based on open-loop resonator according to claim 1, it is characterised in that：The transmitting
Passage feed probes and receiving channel feed probes are symmetrical on the geometric center of rectangular patch, and all in the rectangular patch
On width central axis.
6. a kind of filtering duplexed antenna based on open-loop resonator according to Claims 2 or 3, it is characterised in that：It is described
There are coupling gap, the first open loop of the transmission channel are humorous between the first open-loop resonator of first microstrip coupled line and transmission channel
Shaking between the second open-loop resonator of device and transmission channel, there are coupling gap, the second open-loop resonators of the transmission channel and second
There are coupling gap between microstrip coupled line, and all coupling gaps are adjustable.
7. a kind of filtering duplexed antenna based on open-loop resonator according to Claims 2 or 3, it is characterised in that：It is described
There are coupling gap, the 3rd open loop of the receiving channel are humorous between the 3rd open-loop resonator of 3rd microstrip coupled line and receiving channel
Shaking between device and receiving channel pendant collet resonator, there are coupling gap, the receiving channel pendant collet resonators and the 4th
There are coupling gap between microstrip coupled line, and all coupling gaps are adjustable.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777356A (en) * | 2018-05-31 | 2018-11-09 | 中国舰船研究设计中心 | A kind of microstrip antenna and its design method with filtering characteristic |
| CN110247175A (en) * | 2019-06-06 | 2019-09-17 | 华南理工大学 | A kind of filtering duplexed antenna based on hair fastener type resonator |
| CN113422203A (en) * | 2021-06-30 | 2021-09-21 | 广东工业大学 | Compact directional diagram diversity same-frequency full-duplex antenna |
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2017
- 2017-10-30 CN CN201721421399.6U patent/CN207409660U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777356A (en) * | 2018-05-31 | 2018-11-09 | 中国舰船研究设计中心 | A kind of microstrip antenna and its design method with filtering characteristic |
| CN110247175A (en) * | 2019-06-06 | 2019-09-17 | 华南理工大学 | A kind of filtering duplexed antenna based on hair fastener type resonator |
| CN110247175B (en) * | 2019-06-06 | 2024-03-15 | 华南理工大学 | Filtering duplex antenna based on hairpin resonator |
| CN113422203A (en) * | 2021-06-30 | 2021-09-21 | 广东工业大学 | Compact directional diagram diversity same-frequency full-duplex antenna |
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