CN109314302A - Multi-mode radio frequency resonator - Google Patents
Multi-mode radio frequency resonator Download PDFInfo
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- CN109314302A CN109314302A CN201680086685.3A CN201680086685A CN109314302A CN 109314302 A CN109314302 A CN 109314302A CN 201680086685 A CN201680086685 A CN 201680086685A CN 109314302 A CN109314302 A CN 109314302A
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- radio frequency
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- elongate slot
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/10—Dielectric resonators
- H01P7/105—Multimode resonators
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Abstract
Describe a kind of multi-mode radio frequency resonator (100).The multi-mode radio frequency resonator (100) includes dielectric material integral blocks (102), the the first non-conductive elongate slot (106) for covering the conductive layer (104) of the integral blocks (102) and being located in the conductive layer (102), the first non-conductive elongate slot (106) has the first length (108) and the first width (110), first length (108) and first width (110) define the first rooved face (112) jointly, wherein the integral blocks (102) have the first surface region (126) covered by the conductive layer (104), the first surface region (126) extends along at least part of first length (108) and has protrusion relative to the first rooved face (112).Also describe the method (200) for adjusting this multi-mode radio frequency resonator (100).
Description
Technical field
The present invention relates to a kind of multi-mode radio frequency resonators and a kind of method for adjusting this multi-mode radio frequency resonator.
Background technique
As radio becomes more compact and integrated, there are the demand of update with produce low-loss, high power and
Filter small in size or small-sized.Firstly, this be in order to enable the components to compact package and with the big antenna for mimo system
Array is used in combination.Before finally assembling in such radio system, filter assembly needs frequency and bandwidth to be aligned
The configuration of mode, so that filter assembly meets the specification needed.For the frequency in the radio frequency and microwave filter of cellular communication
Rate adjustment usually requires the solid conducting rod or screw for disturbing the internal electric field of the resonator itself or magnetic field.For solid
For dielectric resonator, this just needs to form hole inside resonator itself, to accommodate the electrically conductive tuning elements.Due to move
Except high dielectric material, so increasing manufacture complexity and final total volume, this is undesirable.Importantly, for
The multimode dielectric resonator used in function microwave or radio frequency (RF) filter uses the electromagnetism of conducting element disturbance resonator
Caused by the field (Electromagnetic, EM), not only desired mode frequency is adjusted.It is tuned in desired mode
While, the orthogonal modes coexisted in the same multi-mode part can also be adjusted simultaneously and non-linearly in frequency.Into one
Step ground, orthogonal modes become increasingly to be coupled, and energy is shared or transmits, and make it impossible to further independent control/system.
Then there is further problem in the alternative noninvasive method solved these problems.For many situations, the above problem makes pair
Accurately configuring and integrate for solid medium multi-mode filter is extremely difficult, hampers adopting in commercial radio systems extensively
With.
Summary of the invention
It is an object of the present invention to provide one multimodes in a kind of at least partly solution problem of the prior art to penetrate
Frequency resonator.
The another object of the embodiment of the present invention is to provide a kind of multi-mode radio frequency resonator of easy tuning.
The another object of the embodiment of the present invention is to provide a kind of multi-mode radio frequency that different mode can tune independently of one another
Resonator.
The another object of the embodiment of the present invention is to provide a kind of method for tuning multi-mode radio frequency resonator.
According in a first aspect, providing a kind of multi-mode radio frequency resonator, the multi-mode radio frequency resonator includes dielectric material
Integral blocks cover the conductive layer of the integral blocks, and the first non-conductive elongate slot in the conductive layer, and described first
Non-conductive elongate slot has the first length and the first width, and first length and first width define the first slot table jointly
Face, wherein the integral blocks have the first surface region that is covered by the conductive layer, the first surface region is along described the
One length extends at least part and has protrusion relative to first rooved face.
The conductive layer is formed by high conductivity material.The high conductivity material can be metal.
The first surface region covered by the conductive layer provides the additional electrical ground outside the resonator
Plane.This can be contrasted with traditional resonator, and in traditional resonator, electrical ground is only mentioned by the inner surface of conductive coating
For.It, can be in outside to a series of adjustment of resonator or resonators due to the self-shileding characteristic that the embodiment of the present invention provides
And it is carried out before being placed in biggish component.The first surface region provides additional, well-designed electrical ground
Plane, the ground plane are located at outside resonator.
It can be shown that can be minimized by the self-shileding characteristic that the first surface region provides non-conductive from described first
The energy of elongated slot radiation allows the multi-mode radio frequency resonator to be placed in component or close on another component and places, and
Will not the further substantive mode of resonance for adjusting the first multi-mode radio frequency resonator frequency.As described above, passing through offer
The first surface region, the energy for carrying out self-tuning feature are minimized.Therefore, any feature of neighbouring multi-mode radio frequency resonator
All it can only interact with feeble field.
The self-shileding characteristic of multi-mode radio frequency resonator is also possible that similar multi-mode radio frequency resonator can be in close proximity to one another
Ground is placed, and as required in business system, while being minimized from a multi-mode radio frequency resonator filter to adjacent
The energy transmission of multi-mode radio frequency resonator.Therefore, this feature allows multi-mode radio frequency resonator dimension while being tuned and placing
Hold the integrality of the signal of independent multi-mode radio frequency resonator.That is, this feature makes the first multi-mode radio frequency resonator
The good isolation of the signal of signal and adjacent multi-mode radio frequency resonator is possibly realized.
The embodiment of the design will indicate that it is at least compatible with the machining of three axis, but importantly, with high-volume modularization
Method it is compatible, such as uniaxial isostatic pressing of the modular method of high-volume, molding, vacuum forming, superplasticforming, 3D are beaten
Print etc., but it is not limited to the above method.
Other than the problem of at least mitigating traditional technology, also greatly simplified according to the multi-mode radio frequency resonator of first aspect
Production complexity and reduce cost, and therefore can design and manufacture it is based on these components and more complicated, compact and at
The better total system assembling of this benefit.
In the first possible embodiment according to the multi-mode radio frequency resonator of the first aspect, the multi-mode radio frequency is humorous
Vibration device at least there is first mode and second mode, wherein first length of the first non-conductive elongated slot with it is described
The magnetic vector of first mode is parallel.This makes the first mode coupling through first slot and the first surface region
Free air (or generally, outside resonator) is closed or is radiated to be possibly realized, provided outside resonator it is additional, set meticulously
The electrically grounded plane of meter.The intensity of coupling will depend on the length of the first non-conductive elongate slot.Multi-mode radio frequency resonator
Resonance frequency depends on the intensity of coupling.Therefore, when keeping the first non-conductive elongate slot longer, the tuning of frequency will become
It is stronger.
According to the first embodiment of the first aspect or the multi-mode radio frequency resonance of the first aspect itself
In second possible embodiment of device, the integral blocks include the first ridge or first groove, wherein the first surface region is set
Set the first side wall in first ridge or the first groove, the first side wall setting of first ridge or first groove
It is adjacent with the first non-conductive elongate slot and towards the first non-conductive elongate slot.First ridge or first groove
It is easy in integral blocks to be made of machining.
The third of the multi-mode radio frequency resonator according to the second embodiment of the first aspect may embodiment party
In formula, the integral blocks include the second surface region covered by the conductive layer, and the second surface region is located at described the
The side opposite with the first surface region of one non-conductive elongated slot, and extend at least one along first length
Point, wherein first groove is collectively formed in the first surface region and the second surface region and first rooved face.It is logical
Cross first elongated slot side be arranged first surface region and in the two sides of the first non-conductive elongate slot it is opposite
Second surface region is set, and the first non-conductive elongate slot will be arranged in the trench.This will so that external ground plane is symmetrical,
This will be advantageous from the perspective of electric field.
May embodiment party according to the 4th of the multi-mode radio frequency resonator of the third embodiment of the first aspect the
In formula, including the second ridge, wherein the second surface region is arranged on the first side wall of second ridge, second ridge
The first side wall is towards the first non-conductive elongate slot；Or wherein the groove is arranged in the second surface region
In second sidewall, the second sidewall of the groove is towards the first non-conductive elongate slot.This is that one kind is easy to machine
Manufactured form.
In any one of the described first to the 4th embodiment according to the first aspect or the first aspect itself
Multi-mode radio frequency resonator the 5th possible embodiment in, first length of the first non-conductive elongate slot and described
Ratio between first width of first non-conductive elongate slot is at least 2, preferably at least 5, and is most preferably extremely
Few 10.Preferred first length will depend on the frequency needed.The length should be longer than first width to generate and change, but
When being equal to the extension of multi-mode radio frequency resonator in addition to reaching desired frequency or first length, on the length need not have
Limit.Another important feature is that the width of first elongated slot is sufficiently narrow, with minimize from addition to have with it is described first non-
The coupling of the energy of any other mode of the mode of the parallel magnetic vector of the length of conductive elongate slot, while remaining to described
Change is generated in first mode.
May embodiment party according to the 6th of the multi-mode radio frequency resonator of the 5th embodiment of the first aspect the
In formula, the first non-conductive elongate slot is curved.It, can be by described by with curved first non-conductive elongate slot
The magnetic vector that one non-conductive elongate slot is placed in the first mode on integral blocks is at circular surface, i.e., on integral blocks
At the surface orthogonal with the electric field intensity of the first mode.By enabling the use of the first non-conductive elongate slot, setting
More freedom are provided in meter multi-mode radio frequency resonator.The curved first non-conductive elongate slot of first mode can with
The straight non-conductive elongate slot of the fast same side working of the entirety of two modes combines.Accordingly, it is possible to must only process one of integral blocks
Face.
According to the first aspect first to any one of sixth embodiment or the first aspect itself
In 7th possible embodiment of multi-mode radio frequency resonator, the first surface region has the vertical of the section 0.05mm to 2mm
In the extension of first rooved face.It is made as being less than 0.05mm if extended, from the first surface region and described the
The influence of two surface regions will be too small, impracticable.On the other hand, by the first surface region and the second surface region
Extension perpendicular to first rooved face increases to and will have insignificant influence greater than 2mm.In addition, the first area and
The second surface region extends greater than 2mm and will have further problems on designing and manufacturing perpendicular to first rooved face.
This is a kind of design trade-offs.Therefore, by the first area and the second surface region perpendicular to first rooved face
Extension, which increases to will not be in electromagnetic coupling greater than 2mm, provides any useful influence, can but make manufacture more difficult.
In any one of the described first to the 7th possible embodiment according to the first aspect or the first aspect
In 8th possible embodiment of multi-mode radio frequency resonator itself, the first surface region and first rooved face
Vertically (or at least substantially vertical).Such setting in the first surface region minimizes the top in the first surface region
The distance between portion and rooved face, this can maximize the influence of self-shileding.However, making the first surface region and described the
One rooved face vertically limits possible manufacturing method.As an example, needed with mold compacting with a vertical low-angle, with
Discharge mold from multi-mode radio frequency resonator.
In any one of the described first to the 8th possible embodiment according to the first aspect or the first aspect
In 9th possible embodiment of multi-mode radio frequency resonator itself, second including being located in the conductive layer is non-conductive
Elongated slot, the second non-conductive elongate slot have the second length and the second width, second length and second width
It is common to limit the second rooved face, and wherein the integral blocks have a third surface region covered by the conductive layer, described the
Three surface regions extend along at least part of second length and have protrusion relative to second rooved face.Such
Other than two non-conductive elongate slots make the tuning in addition to being generated by the first non-conductive elongate slot (on the first mode), multimode is penetrated
The tuning of another mode (such as second mode) in frequency resonator is possibly realized.
May be real according to the tenth of the multi-mode radio frequency resonator of the 9th possible embodiment of the first aspect the
It applies in mode, second length of the second non-conductive elongate slot is parallel with the magnetic vector of the second mode.Pass through
The second non-conductive elongate slot is set in this way, so that being tuned by the length for adjusting the second non-conductive elongate slot described
The frequency of second mode is possibly realized.
According to the tenth of the multi-mode radio frequency resonator of the 9th or the tenth possible embodiment of the first aspect
In one possible embodiment, the integral blocks include third ridge or second groove, wherein the third surface region is arranged in institute
It states on third ridge or the first side wall of the second groove, the first side wall setting of the third ridge or the second groove
For it is adjacent with the second non-conductive elongate slot and towards the second non-conductive elongate slot).This is easy with machining system
At embodiment.
Can according to the 12nd of the multi-mode radio frequency resonator of the 11st possible embodiment of the first aspect the
In energy embodiment, the integral blocks include the 4th surface region covered by the conductive layer, the 4th surface region position
Extend at least in the side opposite with the third surface region of the second non-conductive elongate slot, and along second length
A part, wherein the second ditch is collectively formed in the third surface region and the 4th surface region and second rooved face
Slot.By the way that the third surface region to be arranged in the side of second elongated slot and the 4th surface region is arranged
Opposite in the two sides of the second non-conductive elongate slot, the second non-conductive elongate slot will be set in the trench.This will make
It is symmetrical to obtain external ground plane, is advantageous from the perspective of electric field.
It is penetrated in the multimode of the described 9th to any one of the 12nd possible embodiment according to the first aspect
In 13rd possible embodiment of frequency resonator, including the first main surface, the second main surface, third main surface, the 4th main table
Face, the 5th main surface and the 6th main surface, wherein the first non-conductive elongate slot is arranged in first main surface, it is described
Second non-conductive elongate slot is arranged in second main surface, wherein second main surface and the first main surface phase
It is adjacent.By by the first non-conductive elongate slot and the second non-conductive elongate slot configuration on a different plane, described the
Interference between one non-conductive elongate slot and the second non-conductive elongate slot will be minimized.
Any one of the described first to the 13rd embodiment according to the first aspect is provided according to second aspect
Or the communication equipment for wireless communication system of described first aspect itself.
A kind of method for tuning multi-mode radio frequency resonator, the multi-mode radio frequency resonator are provided according to the third aspect
Including dielectric material integral blocks, and the conductive layer of the covering integral blocks, wherein the integral blocks have the first main surface and by
The first surface region of the conductive layer covering, there is protrusion in the first surface region relative to first main surface, described
Method includes removing the conductive layer from the first rooved face, non-conductive to form first with the first length and the first width
Elongated slot (106), the rooved face extend along the first surface region.
The first surface region covered by the conductive layer provides the additional electrical ground outside resonator
Plane.This can be contrasted with traditional resonator, and in traditional resonator, electrical ground is only mentioned by the inner surface of conductive coating
For.It, can be in outside to a series of adjustment of resonator or resonators due to the self-shileding characteristic that the embodiment of the present invention provides
And it is carried out before being placed in biggish component.The first surface region provides additional, well-designed electrical ground
Plane, the ground plane are located at outside resonator.
It can be shown that can be minimized by the self-shileding characteristic that the first surface region provides non-conductive from described first
The energy of elongated slot radiation allows the multi-mode radio frequency resonator to be placed in component or close on another component and places, and
Will not the further substantive mode of resonance for adjusting the first multi-mode radio frequency resonator frequency.As described above, passing through offer
The first surface region, the energy for carrying out self-tuning feature are minimized.Therefore, any feature of neighbouring multi-mode radio frequency resonator
All it can only interact with feeble field.
The self-shileding characteristic of multi-mode radio frequency resonator is also possible that similar multi-mode radio frequency resonator can be in close proximity to one another
Ground is placed, and as required in business system, while being minimized from a multi-mode radio frequency resonator filter to adjacent
The energy transmission of multi-mode radio frequency resonator.Therefore, this feature allows multi-mode radio frequency resonator dimension while being tuned and placing
Hold the integrality of the signal of independent multi-mode radio frequency resonator.That is, this feature makes the first multi-mode radio frequency resonator
The good isolation of the signal of signal and adjacent multi-mode radio frequency resonator is possibly realized.
The resonance frequency of the first mode depend on the first non-conductive elongate slot length, the length by from
First rooved face removes the conductive layer and is formed with forming the first non-conductive elongate slot.The removal of the conductive layer can be with
It executes step by step, until reaching desired resonance frequency.
In the first embodiment according to the method for the third aspect, the multi-mode resonator at least has first
Mode and second mode, the wherein removal and first length and described first of the first non-conductive elongate slot of conductive layer
The magnetic vector of mode carries out in parallel.
Real according to the second of the method for the first embodiment or third aspect of the third aspect itself
It applies in mode, described the first of first length of the first non-conductive elongate slot and the first non-conductive elongate slot is wide
Than being at least 2, preferably at least 5, and most preferably at least 10 between degree.By can only adjust with such ratio
One in humorous multiple modes.Finally, first length depends on needing how many tunings.Therefore, described first is non-conductive thin
The final lengths of elongated slot are limited solely by the size of the multi-mode resonator.Preferably, the width of the first non-conductive elongate slot
Spend it is sufficiently small, not influence any other mode in multi-mode resonator.
In the third embodiment according to the method for the second embodiment of the third aspect, held along curve
The row removal, so that the first non-conductive elongate slot generated is curved.This allows described first on multi-mode resonator
The magnetic field of mode carries out the tuning of mode on the face that surface is circular.
According to any one of described first of the third aspect to third embodiment or the third aspect itself
Method the 4th embodiment, the integral blocks have the second main surface and third surface region that are covered by conductive layer, phase
There is the third surface region of protrusion for first main surface, the method includes removing conductive layer from the second rooved face
To form the second non-conductive elongate slot, the second non-conductive elongate slot has the second length and the second width, the rooved face
Extend along the third surface region.It is non-conductive thin to form described second by removing conductive layer from second rooved face
Elongated slot, second mode can also be tuned.
In the 5th embodiment according to the method for the 4th embodiment of the third aspect, execute from described
Second rooved face removes the conductive layer, so that the magnetic field of the length of the second non-conductive elongate slot and the second mode is sweared
Amount is parallel.So that the efficient tuning of the second mode is possibly realized.
Detailed description of the invention
Fig. 1 shows the electric vector and magnetic vector of first mode in multi-mode radio frequency resonator according to an embodiment of the present invention.
Fig. 2 shows the electric vectors and magnetic vector of the second mode in the multi-mode radio frequency resonator of Fig. 1.
Fig. 3 shows the electric vector and magnetic vector of the third mode in the multi-mode radio frequency resonator of Fig. 1.
Fig. 4 is the side view of the multi-mode radio frequency resonator of Fig. 1, and shows the electric field line from slot.
Fig. 5 is the perspective view of multi-mode radio frequency resonator according to another embodiment of the present invention.
Fig. 6 is the perspective view of multi-mode radio frequency resonator according to another embodiment of the present invention.
Fig. 7 is the perspective view of multi-mode radio frequency resonator according to another embodiment of the present invention.
Fig. 8 is the perspective view of multi-mode radio frequency resonator according to another embodiment of the present invention.
Fig. 9 is the perspective view of multi-mode radio frequency resonator according to another embodiment of the present invention.
Figure 10 is the perspective view of multi-mode radio frequency resonator according to another embodiment of the present invention.
Figure 11 is the perspective view of multi-mode radio frequency resonator according to another embodiment of the present invention.
Figure 12 is the perspective view of multi-mode radio frequency resonator according to another embodiment of the present invention.
Figure 13 shows the side view of the multi-mode radio frequency resonator of Figure 10.
Figure 14 is shown when second is equal with the resonance frequency of the third mode, multimode resonator as shown in Figure 1
The resonance frequency of first mode and the functional relation of slot length.
When Figure 15 shows the resonance frequency difference when second and the third mode, multimode resonator as shown in Figure 1
The resonance frequency of first mode and the functional relation of slot length.
Figure 16 shows multi-mode radio frequency resonator close to the component of outer cover.
Figure 17 is directed to different height of the surface region from rooved face, shows the power and table of the slot radiation from Fig. 1
The functional relation of the interregional distance in face.
Figure 18 is directed to different height of the surface region relative to rooved face, shows the multi-mode radio frequency resonator according to Fig. 1
Resonance frequency functional relation of the change at a distance from rooved face and outer cover.
Figure 19 schematically shows the communication equipment in wireless communication system.
Specific embodiment
Embodiment is described below.In being described below of the embodiment of the present invention, identical appended drawing reference will be used for difference
Identical or equivalent feature in attached drawing.
Fig. 1-3 shows multi-mode radio frequency resonator 100, including dielectric material integral blocks 102.Conductive layer 104 covers described
Integral blocks 102.First non-conductive elongate slot 106 is arranged in the conductive layer 104.The first non-conductive elongate slot 106
With common the first length 108 and the first width 110 for limiting the first rooved face 112 of definition.Fig. 4 is the multi-mode radio frequency of Fig. 1-3
The side view of resonator 100, and also show the electric field line 190 emitted from the first non-conductive elongate slot 106.It is described whole
Body block 102 has the first surface region 126 also covered by the conductive layer 104.The first surface region 126 is along described
At least part of one length 108 (Fig. 4) extends and has protrusion relative to first rooved face 112.
The multi-mode radio frequency resonator 100 has first mode, second mode shown in Figure 2 and Fig. 3 shown in Fig. 1
Shown in the third mode.The first mode has in Fig. 1 along the electric field intensity in direction shown in E1 and along side shown in M1
To magnetic vector.The second mode has in Fig. 2 along the electric field intensity in direction shown in E2 and along direction shown in M2
Magnetic vector.The third mode has the electric field intensity along direction shown in E3 and the magnetic field along direction shown in M3 in Fig. 3
Vector.First length 108 of first non-conductive elongate slot 106 and the magnetic vector M1 of the first mode are parallel.
In order to avoid there is too many label appended drawing reference in all the appended drawings, with reference to Fig. 3.Feature shown in Fig. 3
Be present in show in Fig. 1 and Fig. 2 of Fig. 3 identical embodiment.The integral blocks 102 include the first ridge 130 and the second ridge 132.
First ridge 130 and second ridge 132 limit first groove 146 jointly.The first surface region 126 is arranged described
On the first side wall 152 of first ridge 130.The first side wall 152 of first ridge 130 be set as with it is described first non-conductive
Elongated slot 106 is adjacent and towards the first non-conductive elongate slot 106.The second surface region 128 is arranged described second
In the second sidewall 154 of ridge 132, the first side wall 154 of second ridge 132 is towards first non-conductive elongate
Slot 106.
The multi-mode radio frequency resonator 100 includes the first main surface (or side surface) 114, second main surface (or side surface)
116,122 He of third main surface (or side surface) the 118, the 4th main surface (or side surface) the 120, the 5th main surface (or side surface)
6th main surface (or side surface) 124.The first non-conductive elongate slot 106 is arranged in first main surface 114, described
It is opposite that first ridge 130 with second ridge 132 is located at the two sides of the first non-conductive elongate slot 106.The multi-mode radio frequency is humorous
The device 100 that shakes further includes the second non-conductive elongate slot 134 being arranged in second main surface 116, wherein the second main table
Face 116 is adjacent with first main surface 114.The second non-conductive elongate slot 134 has the second length 170 and the second width
138.The two sides that the second non-conductive elongate slot 134 is arranged in third ridge 160 and the 4th ridge 162 are opposite.Towards described second
The non-conductive elongate slot 134 and third surface region 174 covered by the conductive layer 104 is arranged on the third ridge 160, face
The 4th surface region 176 covered to the second non-conductive elongate slot 134 and by the conductive layer 104 is arranged the described 4th
On ridge 162.The multi-mode radio frequency resonator 100 further includes the third non-conductive elongate slot that the third main surface 118 is arranged in
164, wherein the third main surface 118 is adjacent with first main surface 114.5th ridge 166 and the 6th ridge 168 are arranged in institute
The two sides for stating third non-conductive elongate slot 164 are opposite.The third non-conductive elongate slot 164 has third length 172.Towards institute
It states third non-conductive elongate slot 164 and the 5th surface region 178 covered by the conductive layer 104 is arranged in the 5th ridge
On 166, the 6th surface region 180 setting covered towards the third non-conductive elongate slot 164 and by the conductive layer 104 exists
On 6th ridge 168.
First length 108 of the first non-conductive elongate slot 106 at least with the magnetic field of the first mode
The part vector M1 is parallel.Second length 170 of the second non-conductive elongate slot 134 at least with the institute of the second mode
It is parallel to state the part magnetic vector M2.The third length 172 of the third non-conductive elongate slot 164 at least with the third mould
The part the magnetic vector M3 of formula is parallel.The electric field intensity E1 of the first mode and the electricity of the second mode
Field vector E2 is orthogonal.The electric field intensity E3 of the third mode and the electric field intensity E1 of the first mode and institute
The electric field intensity E2 for stating second mode is orthogonal.
View in Fig. 4 is shown from first non-conductive elongate towards obtained from second main surface 116
The electric field line 190 that slot 106 is drawn.As in Fig. 4 it can be seen that, from the big of the first non-conductive elongate slot 106
Partial field wire is bent towards the first surface region 126 and the second surface region 128.Described first is only from non-to lead
The field wire 190 at electric 106 center of elongated slot is not towards appointing in the first surface region 126 and the second surface region 128
One bending.Such field wire 190 from 106 center of the first non-conductive elongate slot will be in the conductive layer 104
Other parts are terminated in the adjacent outer cover 228 (Figure 16) as described in below with reference to Figure 15 and Figure 16.Therefore, described
First surface region 126 and the second surface region 128 form additional outside.Since most of electric field line is by described
Terminate in the external ground plane that one surface region 126 and the second surface region 128 are formed, only fraction electric field is closed on
Additional (outside) conductive surface of the multi-mode radio frequency resonator 100 influences.This is carried out below with reference to Figure 16 into one
The detailed description of step.This self-shileding of the first non-conductive elongate slot 106 is important feature.It is shown in FIG. 4 described
The extension h of first ridge 130 and second ridge 132 perpendicular to first rooved face 112.The third ridge 160, the described 4th
Ridge 162, the corresponding of the 5th ridge 166 (Fig. 3) and the 6th ridge 168 extend with first ridge 130 perpendicular to described the
The extension h of one rooved face is identical.It is desirable that ridge 130,132,160,162,166,168 should be formed such that non-conductive elongate slot
106, the plane of 134,164 two axis keeps symmetry.This helps to reduce or exclude undesirable coupling between orthogonal modes, no
Then the undesirable coupling may occur because of including unsymmetrical plan protrusion.As an example, the first surface area
Domain 126 and the second surface region 128 are all with the prolonging perpendicular to first rooved face 112 in the section 0.05mm to 2mm
It stretches.If making to extend h less than 0.05mm, the influence from the first surface region 126 and the second surface region 128 will
Can be too small, it is impracticable.On the other hand, first rooved face 112, the first surface region 126 and described be will be perpendicular to
The extension h in second surface region 128, which increases to, will have insignificant influence greater than 2mm.In addition, 126 He of first area
The second surface region 128, which will be greater than 2mm perpendicular to the extension h of first rooved face 112, to be had more on designing and manufacturing
More problems.This is a kind of design trade-offs.Therefore, by the first area 126 and the second surface region 128 perpendicular to described
The extension h of first rooved face 112, which increases to will not be in electromagnetic coupling greater than 2mm, provides any useful influence, can but make
It must manufacture more difficult.
When the embodiment according to shown in Fig. 1-4 tunes multi-mode radio frequency resonator 100, for each mode to be tuned
Form non-conductive elongate slot 106,134,164.The amount of tuning depends on the length of non-conductive elongate slot 106,134,164.Therefore,
Non-conductive elongate slot 106,134,164 is longer, and the tuning of realization is more.In order to which the tuning of the first mode forms described first
Non-conductive elongate slot 106.Hereinafter, how first slot 106 will be used as to first mould of rf-resonator 100
The example that formula is tuned.Illustrate below for 134 He of the second non-conductive elongate slot for tuning the second mode
The third non-conductive elongate 164 for tuning the third mode is equally applicable.
The institute of first length 108 of the first non-conductive elongate slot 106 and the first non-conductive elongate slot 106
It states the ratio between the first width 110 and is at least 2, preferably at least 5, and most preferably at least 10.Preferred first is long
Degree 108 will depend on the frequency needed.First length 108, which needs to be longer than always 110 side of the first width and can generate, to be changed
Become, but except when reaching desired frequency or when first length 108 is equal to the extension of the multi-mode radio frequency resonator 100
When, first length 108 need not have the upper limit.First length 108 of the first non-conductive elongate slot 106 finally will
Size by the multi-mode radio frequency resonator 100 is limited.
Fig. 5 is the perspective view of multi-mode radio frequency resonator 100 according to another embodiment, though single slot length with it is described
In the case where the essentially identical frequency tuning that can not realize needs of multi-mode radio frequency resonator 100, multiple parallel slots can be used, such as
Shown in Fig. 5.The multi-mode radio frequency resonator 100 in Fig. 5 includes the first ridge 130 in first main surface 114, the
Two ridges 132 and third ridge 192.First non-conductive elongate slot 106 is arranged between first ridge 130 and second ridge 132.
Second non-conductive elongate slot 194 is arranged between second ridge 132 and the third ridge 192.First non-conductive elongate
The trend of slot 106 and the second non-conductive elongate slot 194 is so that their length direction is parallel to the magnetic of the first mode
Field wire M1.First ridge 130, second ridge 132 and the third ridge 192 form the first ridge group.Similar ridge group 196,
198 are separately positioned in second main surface 116 and the third main surface 118.Slot between ridge is not main described second
It is shown in surface 116 and the third main surface 118.Such slot why is formed, is to it is expected also to second mould
The case where formula and the third mode are tuned.
Fig. 6 is the perspective view of multi-mode radio frequency resonator according to another embodiment.First ridge 200 is formed in the first main surface
On 114, the second similar ridge 202 is formed in the second main surface 116.Two parallel ridges 166,168 are formed in the main table of third
On face 118.The shape that the parallel ridge 166,168 of two be formed in the third main surface 118 has has and above joins
Examine the identical of Fig. 1-4 explanation.Illustrate only the slot in second main surface 116.First slot 204 and the setting of the second slot 206 exist
In second main surface 116.Second ridge 202 includes backbone 208, the first sub- ridge 210, the second sub- ridge 212 and third
Ridge 214.The first sub- ridge 210, the second sub- ridge 212 and the sub- ridge 214 of the third extend perpendicular to backbone.Described first
Slot 204 is arranged to its length along the backbone 208 and between the described first sub- ridge 210 and the second sub- ridge 212.
Second slot 206 is arranged to its length along the backbone 208 and is located at the described second sub- ridge 212 and the sub- ridge of the third
Between 214.Multi-mode radio frequency resonator 100 in Fig. 6 can be along an axis, i.e., perpendicular to the third main surface 118, molding
Manufacture.Although the backbone 208 lacks ridge on the other side, pass through the described first sub- ridge 210, second sub- 212 and of ridge
The sub- ridge 214 of third is compensated.
Fig. 7 is the perspective view of multi-mode radio frequency resonator 100 according to another embodiment.In first main surface 114,
First ridge 130 and the second ridge 132 are parallel to each other, as described in by reference to Fig. 1-4.In second main surface 116, setting
Pairs of curved ridges 216.Non-conductive elongate slot is not shown in FIG. 7.However, such non-conductive elongate slot will be formed in institute
It states between the first ridge 130 and second ridge 132, and is formed between pairs of curved ridges 216.Second main surface
Pairs of curved ridges 216 on 116 are suitable for the tuning of the third mode.The magnetic field of the third mode is main described second
It is circular at surface 116.
Fig. 8 is the perspective view of multi-mode radio frequency resonator 100 according to another embodiment.Embodiment and Fig. 8 shown in Fig. 7
Shown in unique difference of embodiment be to be arranged with reference to the third ridge 160 of Fig. 3 description and the 4th ridge 162 in the described second main table
On face 116.Non-conductive elongate slot is not shown in Fig. 8.However, such non-conductive elongate slot will be formed in first ridge 130
Between second ridge 132, between the third ridge 160 and the 4th ridge 162 and between pairs of curved ridges 216.
The third ridge 160 and the 4th ridge 162 are suitable for the tuning of the second mode, because of the magnetic field M2 of the second mode
It is parallel to the third ridge 160 and the 4th ridge 162.
Embodiment shown in Fig. 7 and Fig. 8 has in common that, can be by along an axis, i.e., perpendicular to described
Second main surface 116, molding manufacture.
Fig. 9-12 is the perspective view according to the further multi-mode radio frequency resonator 100 of different embodiments.With above retouch
The embodiment stated is contrasted, and multi-mode radio frequency resonator 100 shown in Fig. 9-12 does not include ridge.Opposite, it is
Groove is formed in one main surface 114, the second main surface 116 and third main surface 118.Therefore, in Fig. 9,218 shape of first groove
At in first main surface 114, second groove 220 is formed in second main surface 116, the formation of third groove 222
In the third main surface 118.In Figure 10, the first groove 218, the second groove 220 and the third groove
222 extend along the overall length of the multi-mode radio frequency resonator 100.In Fig. 9, the first groove 218, the second groove
220 and the third groove 222 along 100 length of multi-mode radio frequency resonator extend only a part.The third groove 222
With the first side wall 152 and second sidewall 154.It is covered towards the third non-conductive elongate slot 164 and by the conductive layer 104
The 5th surface region 178 be arranged on the first side wall 152 of the third groove 222, the 6th be arranged in the third
In the second sidewall 154 of groove 222.5th surface region 178 and the 6th surface region 180 with the third is non-leads
Electric elongated slot 164 is vertical.
In Figure 11, groove is doubled, so that two first grooves 218 are formed in first main surface 114, two
Two grooves 220 are formed in second main surface 116, and two third grooves 222 are arranged in the third main surface.As above
It has been described in text, which increase the tuning ranges of the multi-mode radio frequency resonator 100.
The difference of embodiment shown in embodiment and Figure 12 shown in Figure 11 is, illustrates only a third groove
222, the third groove 222 has been transferred to first main surface 114 from the third main surface 118.Therefore, the third
Groove 222 intersects with first groove 218.It is shown in Figure 12, the quantity of the slot used can arbitrarily be selected according to design requirement.
Any combination of self-shileding feature can be selected and used according to design requirement.
Figure 13 shows the side view of the multi-mode radio frequency resonator 100 of Figure 10.It can be observed from fig. 13 that carrying out spontaneous emission certainly
The non-conductive most of electric field lines 230 of described the first of elongated slot 106 are by the first surface region 126 and the second surface
128 self-shileding of region.
Figure 14 is shown when second is equal with the resonance frequency of the third mode, multi-mode radio frequency resonance as shown in Figure 1
The resonance frequency (as unit of MHz) of first mode and the first length 108 of the first non-conductive elongate slot 106 (are in device with mm
Unit) functional relation.In Figure 14, the first mode is referred to as mode X, and the second mode is referred to as mode Y, described
The third mode is referred to as mode Z.As can be seen from Figure 14, when first length of the first non-conductive elongate slot 106
108 it is shorter when, the resonance frequency of the resonance frequency of the first mode less times greater than the second mode and the third mode.
When first length 108 of the first non-conductive elongate slot 106 is more than 5 millimeters, the resonance frequency of the first mode
Get lower than the resonance frequency of the second mode and the third mode.The resonance of the second mode and the third mode
Frequency is not influenced substantially by first length 108 of the first non-conductive elongate slot 106.
When Figure 15 shows the resonance frequency difference when the resonance frequency of second mode and the third mode, show as shown in figure 1
Multi-mode radio frequency resonator first mode resonance frequency (as unit of MHz) and the first non-conductive elongate slot 106 first
The functional relation of length 108.It can also be seen that working as first length of the first non-conductive elongate slot 106 from this figure
When 108 increase, the resonance frequency of the first mode can change, and the resonance frequency of the second mode and the third mode
It is substantially unaffected.
Figure 16 shows 100 He of the first multi-mode radio frequency resonator close to outer cover 228 of the embodiment according to shown in Fig. 5
The component of second multi-mode radio frequency resonator 100 '.Second main surface 116 of the first multi-mode radio frequency resonator 100 and described
Second main surface 116 ' of two multi-mode radio frequency resonators 100 ' respectively includes one group of ridge 196,196 '.Similarly, more than described first
The third main surface 118 of mould rf-resonator 100 and the third main surface 118 ' of the second multi-mode radio frequency resonator 100 ' are each
From including one group of ridge 198,198 '.Non-conductive elongate slot (not being shown in FIG. 16) setting ridge 196,196 ', 198,198 ' it
Between.Due to self-shileding characteristic, only considerably less electric field amount can be from 196,198 groups of sendings of ridge.The electricity only launched from ridge group
It magnetic field could be mutual with the ridge group 196,196 ', 198,198 ' on outer cover 228 or neighbouring multi-mode radio frequency resonator 100,100 '
Effect.Due to the self-shileding described, the electromagnetic field launched from 196,198,196 ', 198 groups of ridge is very small.Therefore, institute
The distance between multi-mode radio frequency resonator 100,100 ' and outer cover are stated to the resonance frequency of the multi-mode radio frequency resonator 100,100 '
Rate does not have important influence.In the case where there is no self-shileding feature (such as ridge 130,132,160,162,166,168),
Describe, and (in order to tune or other purposes) from the conductive layer 104 of any removal issue field will with outer cover 228 and other solely
Vertical component interaction.In this way, in the component knot with this kind of compact package that can be for example found at the back sides such as aerial arrays
It closes in use, described embodiment is most beneficial.
Figure 17 is directed to the first surface region 126 and the second surface area vertical with first rooved face 112
The different of domain 128 extend h, show the energy and the first surface region 126 and second table of the slot radiation from Fig. 1
The functional relation in the distance between face region 128 is normalized relative to the slot of not ridge.Extend h and is referred to as " ridge in Figure 17
H”。
Figure 18 is directed to the first surface region 126 and the second surface area vertical with first rooved face 112
The different of domain 128 extend h, show the change percentage and slot table of the resonance frequency of the multi-mode radio frequency resonator 100 according to Fig. 1
The functional relation of the distance of outer cover 228 is arrived in face 112.Extend h and is referred to as " depth of groove " in Figure 18.
Figure 19 schematically shows the communication equipment 300 in wireless communication system 400.Communication equipment 300 includes basis
The multi-mode radio frequency resonator 100 of the embodiment of the present invention.Wireless communication system 400 further includes base station 500, and the base station 500 can also
To include the multi-mode radio frequency resonator 100 according to any of the above-described embodiment.Dotted arrow A1 is indicated from transmitter device 300 to base
Stand 500 transmission, be commonly known as uplink transmission.Solid arrow A2 is indicated from base station 500 to transmitter device 300
Transmission, is commonly known as downlink transmission.
Equipment 300 of the invention can be long term evolution (Long Term Evolution, LTE), movement station (Mobile
Station, MS), any user equipment that can be wirelessly communicated in a wireless communication system in wireless terminal or mobile terminal
(User Equipment, UE) is otherwise referred to as used as cellular radio system.UE is also referred to as having wireless capability
Mobile phone, cellular phone, computer tablet computer or laptop.UE in this context can be it is for example portable,
Can pocket storage, hand-held, computer includes or vehicle mobile equipment can be via radio access network and another reality
Body (such as another receiver or server) conveys voice or data.UE can be station (Station, STA), be to cover nothing
Line medium (Wireless Medium, WM) meet IEEE802.1 media access control (Media Access Control,
) and any equipment of physical layer (Physical Layer, PHY) interface MAC.
Transmitter device 300 can also be base station, (radio) node or access point or access point or base station, for example, nothing
It line electricity base station (Radio Base Station, RBS) can be by some networks depending on the technology or term used
Referred to as transmitter, " eNB ", " eNodeB ", " NodeB " or " B node ".Radio network node is based on transimission power thus can also
To be that cell size can be different class, such as macro eNodeB, family eNodeB or femto base station.Radio network node can
It is the media access control (MAC) for meeting IEEE 802.11 and physics for covering wireless medium (WM) to be station (STA)
Any equipment of layer (PHY) interface.
Claims (16)
1. a kind of multi-mode radio frequency resonator (100), including
The integral blocks (102) of dielectric material,
The conductive layer (104) of the integral blocks (102) is covered, and
The first non-conductive elongate slot (106) in the conductive layer (102), the first non-conductive elongate slot (106) tool
There are the first length (108) and the first width (110), first length and first width define the first rooved face jointly
(112),
Wherein the integral blocks (102) have the first surface region (126) that is covered by the conductive layer (104), and described first
Surface region (126) extends at least part along first length (108) and has relative to first rooved face (112) convex
It rises.
2. multi-mode radio frequency resonator (100) according to claim 1, wherein the multi-mode radio frequency resonator (100) is at least
With first mode (1a) and second mode (2a), wherein first length of the first non-conductive elongated slot (106)
(108) parallel with the magnetic vector of the first mode (1a).
3. multi-mode radio frequency resonator (100) according to claim 1 or 2, wherein the integral blocks (102) include the first ridge
(130) or first groove (146), wherein the first surface region (126) is arranged in first ridge (130) or described first
On the first side wall (152) of groove (146), the first side wall (152) of first ridge (130) or first groove (146)
It is arranged to adjacent with the first non-conductive elongate slot (106) and towards the first non-conductive elongate slot (106).
4. multi-mode radio frequency resonator (100) according to claim 3, wherein the integral blocks (102) include being led by described
The second surface region (128) of electric layer (104) covering, the second surface region (128) are located at first non-conductive elongate
The side opposite with the first surface region (126) of slot (106), and extend at least one along first length (108)
Point, wherein the first surface region (126) and the second surface region (128) and first rooved face (112) are common
It is formed first groove (146).
5. the multi-mode radio frequency resonator (100) according to claim 4, including the second ridge (132), wherein described second
Surface region (128) is arranged on the first side wall (154) of second ridge (132), and described the first of second ridge (132)
Side wall (154) is towards the first non-conductive elongate slot (106)；Or
Wherein the second surface region (128) is arranged in the second sidewall (156) of the groove (146), the groove
(146) the second sidewall (156) is towards the first non-conductive elongate slot (106).
6. multi-mode radio frequency resonator (100) according to any one of the preceding claims, wherein described first is non-conductive thin
First width (110) of first length (108) of elongated slot (106) and the first non-conductive elongate slot (106) it
Between ratio be at least 2, preferably at least 5, and most preferably at least 10.
7. multi-mode radio frequency resonator (100) according to claim 6, wherein the first non-conductive elongate slot (106) is
It is curved.
8. multi-mode radio frequency resonator (100) according to any one of the preceding claims, wherein the first surface region
(126) with the extension vertical with the first rooved face (112) in the section 0.05mm to 2mm.
9. multi-mode radio frequency resonator (100) according to any one of the preceding claims, wherein the first surface region
(126) vertical with the first rooved face (112).
10. multi-mode radio frequency resonator (100) according to any one of the preceding claims, including
The second non-conductive elongate slot (134) in the conductive layer (104), the second non-conductive elongate slot (134) tool
There are the second length (136) and the second width (138), second length (136) and second width (138) define jointly
Two rooved faces (140), and
Wherein the integral blocks (102) have the third surface region (142) covered by the conductive layer (104), the third
Surface region (142) extends along at least part of second length (136) and has relative to second rooved face (140)
Protrusion.
11. multi-mode radio frequency resonator (100) according to claim 10, wherein the second non-conductive elongate slot (134)
Second length (136) it is parallel with the magnetic vector of the second mode (2a).
12. multi-mode radio frequency resonator (100) described in 0 or 11 according to claim 1, wherein the integral blocks (102) include the
Three ridges (150) or second groove (148), wherein the third surface region (142) is arranged in the third ridge (150) or described
On the first side wall (158) of second groove (148), first side of the third ridge (150) or the second groove (148)
Wall (158) is set as adjacent with the second non-conductive elongate slot (134) and towards the second non-conductive elongate slot
(134)。
13. multi-mode radio frequency resonator (100) according to claim 12, wherein the integral blocks (102) include described
4th surface region (144) of conductive layer (104) covering, it is non-conductive thin that the 4th surface region (144) is located at described second
The side opposite with the third surface region (142) of elongated slot (134), and along at least one of second length (136)
Divide and extend, wherein the third surface region (142) and the 4th surface region (144) and second rooved face (140)
Second groove (148) are collectively formed.
14. multi-mode radio frequency resonator (100) described in any one of 0-13 according to claim 1, including the first main surface
(114), the second main surface (116), third main surface (118), the 4th main surface (120), the 5th main surface (122) and the 6th are main
Surface (124), wherein the first non-conductive elongate slot (106) is arranged on first main surface (106), described second is non-
Conductive elongate slot (134) is arranged on second main surface (116), wherein second main surface (116) and described first
Main surface (114) is adjacent.
15. one kind is used for the communication equipment (300) of wireless communication system (400), the communication equipment (300) includes according to aforementioned
Mould rf-resonator (100) described in any one of claim.
16. method of the one kind for tuning (200) multi-mode radio frequency resonator (100), multi-mode radio frequency resonator (100) packet
It includes:
Dielectric material integral blocks (102), and
The conductive layer (104) of the integral blocks (102) is covered,
The wherein first surface area that the integral blocks (102) have the first main surface (114) and covered by the conductive layer (104)
Domain (126), the first surface region (126) have protrusion, the method (200) packet relative to first main surface (114)
It includes
The conductive layer (104) is removed into (502) from the first rooved face (112), there is the first length (108) and first to be formed
First non-conductive elongate slot (106) of width (110), the rooved face (112) extend along the first surface region (126).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2016/063624 WO2017215739A1 (en) | 2016-06-14 | 2016-06-14 | Multimode radio frequency resonator |
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| CN109314302A true CN109314302A (en) | 2019-02-05 |
Family
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| CN201680086685.3A Pending CN109314302A (en) | 2016-06-14 | 2016-06-14 | Multi-mode radio frequency resonator |
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| WO (1) | WO2017215739A1 (en) |
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| CN110299594B (en) * | 2018-03-22 | 2021-08-31 | 上海华为技术有限公司 | Dual-mode resonator, filter and radio frequency unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6002307A (en) * | 1997-01-29 | 1999-12-14 | Murata Manufacturing Co., Ltd. | Dielectric filter and dielectric duplexer |
| US20050128031A1 (en) * | 2003-12-16 | 2005-06-16 | Radio Frequency Systems, Inc. | Hybrid triple-mode ceramic/metallic coaxial filter assembly |
| WO2014190536A1 (en) * | 2013-05-31 | 2014-12-04 | 华为技术有限公司 | Dielectric filter, transceiver and base station |
| CN104995791A (en) * | 2013-02-21 | 2015-10-21 | 梅萨普莱克斯私人有限公司 | Controlling coupling in a filter by aperture design |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4691179A (en) * | 1986-12-04 | 1987-09-01 | Motorola, Inc. | Filled resonant cavity filtering apparatus |
-
2016
- 2016-06-14 CN CN201680086685.3A patent/CN109314302A/en active Pending
- 2016-06-14 WO PCT/EP2016/063624 patent/WO2017215739A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6002307A (en) * | 1997-01-29 | 1999-12-14 | Murata Manufacturing Co., Ltd. | Dielectric filter and dielectric duplexer |
| US20050128031A1 (en) * | 2003-12-16 | 2005-06-16 | Radio Frequency Systems, Inc. | Hybrid triple-mode ceramic/metallic coaxial filter assembly |
| CN104995791A (en) * | 2013-02-21 | 2015-10-21 | 梅萨普莱克斯私人有限公司 | Controlling coupling in a filter by aperture design |
| WO2014190536A1 (en) * | 2013-05-31 | 2014-12-04 | 华为技术有限公司 | Dielectric filter, transceiver and base station |
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| WO2017215739A1 (en) | 2017-12-21 |
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