CN110492232A - A kind of four-antenna system that the multiband applied to 5G mobile terminal covers - Google Patents
A kind of four-antenna system that the multiband applied to 5G mobile terminal covers Download PDFInfo
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- CN110492232A CN110492232A CN201910639576.5A CN201910639576A CN110492232A CN 110492232 A CN110492232 A CN 110492232A CN 201910639576 A CN201910639576 A CN 201910639576A CN 110492232 A CN110492232 A CN 110492232A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of four-antenna system that the multiband applied to 5G mobile terminal covers, belongs to Antenna Design field, it is characterised in that first kind radiating element covers LTE700, GSM850, GSM900, GPS, DCS, PCS, UMTS, LTE2300, the frequency ranges such as LTE2500 and band 42.Second class radiating element covers GPS, DCS, PCS, UMTS, LTE2300, LTE250, band42 and 5G IMS frequency range.The coupling of two radiating elements in first kind radiating element decouples the absorption of floor electric current by two radiating elements of the second class radiating element, it is then to be decoupled by distance inside second class radiating element, is then decoupled by match circuit between upper and lower two kinds of radiating elements.
Description
Technical field
The invention belongs to the Antenna Design fields of wireless communication technique, are related to a kind of multiband applied to 5G mobile terminal
The four-antenna system of covering.
Background technique
Today's society is the society of an information explosion, during being currently under forth generation mobile communication, is ready for
Five Generation Mobile Communication Systems stride forward, and different communication systems correspond to different communication frequencys, 2G global system for mobile communications
(GSM850:824-894MHz, GSM900:880-960MHz), Digital Cellular System (DCS:1710-1880MHz) and individual are logical
Letter system (PCS:1850-1990MHz), the Universal Mobile Communication System (UMTS:1920-2170MHz) of 3G mobile communication system,
LTE system (LTE700:704-787MHz, LTE2300:2300-2400MHz, the LTE2500:2500- of 4G mobile communication system
2690MHz) and the frequency range of 5G mobile communication system (3300-3600MHz, 4800-5000MHz).And following quite long
In a period of time, 2G/3G/4/5G mobile communication system is by long-term co-existence, for mobile terminal, the frequency range of required covering
More and more, the design of antenna is more and more difficult, and for 5G communication, multiple antennas has become a kind of inevitable trend, In
Natively narrow terminal antenna design section, will also make more antennas, so that the design of antenna was more difficult, for more days
Line, the coupling between antenna can generate very big influence to the quality of communication, and the coupling solved between multiple antennas is more next
It is more urgent.
It is retrieved by the patent to antenna, discovery is realized about the seldom of four antennas, patent [CN103682596A]
The four-antenna system of DCS, PCS, UMTS, LTE2300 and LTE2500 can be covered simultaneously, and still, this four antennas do not have energy
The frequency ranges such as LTE700, GSM850, GSM900 are enough covered, GPS and some 5G frequency ranges can not be covered well, for not
For the 5G multiple antennas come, it is also necessary to cover more frequency ranges, document [Four LTE low-band smartphone
Antennas and their MIMO performance with user's hand presence Kin-Lu Wong, etc.,
" Microwave and Optical Technology Letters ", volume 52, in September, 2016 ,] realize and can cover simultaneously
Four antennas of GSM850, GSM900 and the double antenna of LTE700 are covered, but for DCS, PCS, UMTS, LTE2300 and LTE2500
Etc. frequency ranges be not covered with, the let alone communication frequency band of 5G.Based on the above circumstances, the present invention thinks at patent [CN103682596A]
On the basis of road, antenna element is redesigned, designs two kinds of new antenna elements, and removes and is used to decouple originally
Structure, enormously simplify the structure of antenna, expanded antenna covering working frequency range, cover four antennas can
Cover GPS, DCS, PCS, UMTS, LTE2300, the frequency ranges such as LTE2500 and band 24 and band42, wherein 2 antennas can be with
Frequency ranges, other two antenna such as covering LTE700, GSM850, GSM900 can also cover 5G ISM band.
Summary of the invention
The purpose of the present invention is designing the mobile terminal multiple antennas of multiband covering for the 5th Generation Mobile Communication System,
Main advantage is to considerably increase the working frequency range that can be covered compared to existing four-antenna system and can also simplify solution
Coupling structure, the present invention there are two main classes Radiative antenna elements, first kind radiating element can not only cover simultaneously LTE700,
GSM850, GSM900 DCS, PCS, UMTS, LTE2300 and LTE2500, in addition GPS, band 24 and band 42 are ok
Covering, second of radiating element can cover GPS, all frequencies of DCS, PCS, UMTS, LTE2300, LTE2500 and ISM 5G
Section.Actual measurement mutual coupling between four antennas is both less than -10dB.
The four-antenna system that a kind of multiband applied to 5G mobile terminal of the present invention covers, which is characterized in that
Contain: dielectric-slab (1), metal ground (2), microstrip-fed line (3), first kind radiating element and the second class radiating element, in which:
Dielectric-slab (1), length × width × height degree are 153mm × 77mm × 0.8mm；
Metal ground (2) is located at the back side of the dielectric-slab (1), and length × width is 153mm × 77mm, along the dielectric-slab
(1) top margin and bottom edge is each to extend downwardly 10mm upwards, along the left and right sides horizontal extension 7.5mm of the dielectric-slab (1), divides
It Yong not upwardly extend partially (21), downward extension portion (22), to the left extension (23), extension (24) indicate to the right,
Wherein:
It is described to upwardly extend part (21), perpendicular to the dielectric-slab (1) after being flipped up 90 degree along the top margin, and
And the rectangle extension band for upwardly extending part (21) and being divided into three mutual disjunct tops, along the top margin
Square right-to-left use respectively (211,212,213) indicate；
The downward extension portion (22), perpendicular to the dielectric-slab (1) after being flipped up 90 degree along the bottom edge, and
And along the direction right-to-left on the bottom edge to be divided into three mutually isolated bottom ends long for the downward extension portion (22)
Rectangular extension band is indicated with (221,222,223) respectively；
The extension to the left (23), with left side be it is axial turn over turn 90 degrees after perpendicular to the dielectric-slab (1), and
And the extension to the left (23) is divided into three mutual blocked left side bar shapeds from the top down and extends band, divides from top to bottom
Shellfish is indicated with (231,232,233)；
The extension to the right (24), with right edge be it is axial turn over turn 90 degrees after perpendicular to the dielectric-slab (1), and
And the extension to the right (24) is divided into three mutual blocked left side bar shapeds from the top down and extends band, divides from top to bottom
Shellfish is indicated with (241,242,243)；
Four extensions (21,22,23,24) respectively together constitute four aerial systems after overturning is welded along corner
The metal edge frame of system；
Microstrip-fed line (3), is expressed as (31,32,33,34) by totally four, is all printed in the form of vertical line from top to bottom
System is respectively used in the front of the dielectric-slab (1) to upper right radiating element, bottom right radiating element, upper left radiating element and a left side
Lower radiating element feed, the width of four microstrip-fed lines is 1.5mm, wherein
Transverse width and the microstrip-fed line of third between first microstrip-fed line (31) and the second microstrip-fed line (32)
(33) width between the 4th microstrip-fed line (34) is equal；
First kind radiating element, is located at upper right corner radiating element and the position in the dielectric-slab (1) upper right corner by totally 2
Lower right corner radiating element in the dielectric-slab (1) lower right corner, in which:
Upper right corner radiating element, comprising:
It is positive positioned at the dielectric-slab (1) to be: first kind inductance load couple feed line (411) and to overturn 180 to the left
Anti- " L " the type feed line (412) of the first kind of degree, the long minor matters of the first inductance load couple feed line (411) are along level
Directional spreding, right side are connected to the left side at the top of the microstrip-fed line of the first kind (31), and there are also one in the long minor matters
A inductance to enhance electrical length,
Positioned at the dielectric-slab (1) back side: the first shape of rectangular ribbon (413), the second shape of rectangular ribbon (414), T-shape electricity
Feel loaded line (415) and third shape of rectangular ribbon (416), further includes that first bar shaped of right side extends band (241) and top the
One, the second rectangle extends band (211,212),
First shape of rectangular ribbon (413), horizontal distribution, upper surface extend band (212) along described with the second rectangle of top
The deckle of dielectric-slab (1) is vertically connected,
Second shape of rectangular ribbon (414), the top of left side pass through the big inductance loaded line of one article of horizontal direction and described the
The right side of one shape of rectangular ribbon (413) is connected,
T-type inductance loaded line (415), upper surface extend band close to the top margin of the dielectric-slab (1) and the top second
(212) perpendicular, and there are gap between left side and the right side of second shape of rectangular ribbon (414),
Third shape of rectangular ribbon (416), upper surface extend band close to the top of the dielectric-slab (1) and the first rectangle of top
It is (211) perpendicular,
At the bottom surface of first shape of rectangular ribbon (413), the second shape of rectangular ribbon (414) and T-shape inductance loaded line (415)
In on same water surface curve, and it is in sustained height with the bottom surface of the described first anti-" L " type feed line (412),
In the upper right corner radiating element (41):
Couple feed line (411) are loaded by the inductance, T-shape inductance loaded line (415), the second oblong rectangular of top
Extending band (212), the ground connection minor matters that the first shape of rectangular ribbon (413) is constituted are used to cover low-frequency range,
By anti-" L " the type feed line (412), third shape of rectangular ribbon (416), the first rectangle of top extends band (211)
Extend the monopole minor matters that band (241) is constituted with the first bar shaped of right side to be used to cover high band,
Lower right corner radiating element (42), comprising:
Have positioned at the dielectric-slab (1) is positive: the second inductance loads couple feed line (421), the first resonance line (423)
" L " type feed line (422), in which: the top of " L " the type feed line (422) and the microstrip-fed line of the third (33)
Lower end surface be connected, extend to " L " type feed line (422) terminal horizontal lower right corner side of the dielectric-slab (1) and with
Right side third bar shaped extends that band (243) is perpendicular, second inductance load couple feed line (421) as starting point right end and
The corner end of " L " the type feed line (422) is connected, and inductance load couple feed line (421) is from right to left along level side
To wiring, level is turned back through terminal vertically downward again, and first resonance line (423) is from the microstrip-fed line of the third
(33) it sets out on the right side of lower end, the lower right corner side and right side of the dielectric-slab (1) that goes directly after being routed along horizontal direction to the right
Third bar shaped extension band (243) is perpendicular,
Positioned at having for the dielectric-slab (1) back side: the 4th shape of rectangular ribbon (424), " L " type inductance loaded line (425), bottom end
Second rectangle extends band (222) and the first rectangle of bottom end extends band (221), and there are also the right side third bar shapeds to extend band
(243), in which: the bottom surface of the 4th shape of rectangular ribbon (424) close to the bottom edge of the dielectric-slab (1), and with the bottom end
Two rectangles extension band (222) is perpendicular, and the bottom edge of " L " the type inductance loaded line (425) is also close to the dielectric-slab (1)
Bottom edge simultaneously also intersects vertically with second rectangle of bottom end extension band (222)；The upper surface of 4th shape of rectangular ribbon (424)
It is parallel with second inductance load turn back line of couple feed line (421), " L " type inductance loaded line (425) end
You are in same horizontal line for the lower end surface of the upper surface of loaded cable and right side third bar shaped extension with (243),
Lower right corner radiating element (42), wherein the second inductance loads couple feed line (421), the 4th shape of rectangular ribbon
(424), " L " type inductance loaded line (425) and the second rectangle of bottom end extend the ground connection minor matters of band (222) composition to cover
Low-frequency range, by " L " type feed line (422), resonance line (423) and the first rectangle of bottom end extend band (427) and right side third
Bar shaped extend band (243) constitute monopole minor matters to cover high band,
Upper left corner radiating element (51), comprising:
Have positioned at dielectric-slab (1) is positive: folding feed line (511), the second resonance line (512) and the second microstrip feed line
(32) extension intersect with the described second microstrip-fed line (32) Right vertical after the first match circuit (513), in which:
It is described to fold feed line (511) and horizontal extension and hung down after vertically turning back twice upwards with the top margin of the dielectric-slab (1) to the right
Straight intersection, second resonance line (512) first to the left after vertically turning back upwards twice with the first bar shaped of left side extension band
(231) it intersects vertically in the right edge of the dielectric-slab (1),
Positioned at having for dielectric-slab (1) back side: the first rectangular particles (516) are located at the top third of dielectric-slab (1) upper edge
Rectangle, which extends band (213) and is located at the first bar shaped on the left of dielectric-slab (1), extends band (231),
The bottom surface of first rectangular particles (516) and the top of the described second microstrip-fed line (32) are connected by through-hole
It connects, first match circuit (513) is by loading series capacitance on the second microstrip-fed line (32) and presenting with the second micro-strip
The capacitor and inductance of the lump of electric wire (32) parallel connection are constituted,
The folding feed line (511), the second resonance line (512), top third rectangle extend band (213) and constitute one
Monopole radiator, with the help of the first match circuit (513), to cover high band, the first rectangular particles (516) to
Cover ISM 5GHz frequency range；
Lower left corner radiating element (52), comprising:
Have positioned at the dielectric-slab (1) is positive: anti-" L " the type feed line (521) in center, third resonance line (522), the 4th
Resonance line (523) and the second match circuit (524), in which: the horizontal ends of anti-" L " the type feed line (521) in the center and the
The partial right side for the extension being connected in four microstrip-fed lines (34) with second match circuit (524) is connected, and the other end
Bottom edge through the dielectric-slab (1) extends band (223) with bottom end third rectangle and intersects vertically, and third resonance line (522) is in
" L " type, horizontal ends and the extension left side of the described 4th microstrip-fed line (34) are perpendicular, and the other end and the dielectric-slab
(1) the bottom end third rectangle at bottom edge extends band (223) and intersects vertically, the 4th resonance line (523), left and right ends difference
Extending band (233) with the left side third bar shaped, third resonance line (522) lower end intersects vertically,
Positioned at having for the dielectric-slab (1) back side: the second rectangular particles (527), there are also be located at the dielectric-slab (1) lower-left
The left side third bar shaped of corner edge extends band (233) and prolongs positioned at the bottom end third rectangle of the dielectric-slab (1) lower edge
Band (223) is stretched,
Anti- " L " the type feed line (521) in the center, third resonance line (522), bottom end third rectangle extension
(223), left side third stripe shape extension (233) constitute a monopole radiator, under the cooperation of third match circuit, use
To cover high band, the second rectangular particles (527) are to cover ISM 5GHz frequency range.
The present invention, which compares prior art, has following remarkable advantage:
The four-antenna system that a kind of multiband applied to 5G mobile terminal proposed by the present invention covers, compared to existing
Four days are that can cover more frequency ranges, and the application background of the antenna system is metal edge frame mobile phone, relative to others
Antenna system has bigger design difficulty.
Detailed description of the invention
Fig. 1 is the three-dimensional figure for four antennas that the multiband of the mobile terminal provided by the invention applied to 5G covers
Fig. 2 is the plane outspread drawing of four-antenna system shown in FIG. 1.
Fig. 3 is the direction view i.e. top view that Fig. 1 figure is figure, including four microstrip feed lines 31,32,33 on dielectric-slab (1)
With 34, the inductance of upper right radiating element (41) loads couple feed line (411), anti-" L " the type feed line (412) of the first kind,
The inductance of lower right corner radiating element (42) loads couple feed line (421), " L " type feed line (422), resonance line 1
(423)
The positive folding feed line (511) of upper left radiating element (51), the second resonance line (512), the first match circuit
(513)。
Anti- " L " the type feed line (521) in the center of lower-left radiating element (52), third resonance line (522), the 4th resonance line
(523), the second match circuit (524).
Fig. 4 is the i.e. rear direction view of direction view that figure is Fig. 1, the metal floor (2) including dielectric-slab (1) back side, upper right spoke
Penetrate the first shape of rectangular ribbon (413) that unit (41) is printed on medium back, the second shape of rectangular ribbon (414), the load of T-shape inductance
Minor matters (415), third shape of rectangular ribbon (416)；Bottom right radiating element (42) is printed on the 4th shape of rectangular ribbon of medium back
(424), " L " type inductance loaded line (425)；The first rectangular particles (516) and lower-left radiating element of upper left radiating element (51)
(52) the second rectangular particles (527).
Fig. 5 is the floor map of the folded portion of expansion, and grey indicates that unit is millimeter (mm).
The detailed metal structure figure and reality of two Radiative antenna elements of main dielectric-slab upper front are printed in Fig. 6 Fig. 1
Dimensional drawing, main dielectric-slab front metal black display are applied, main dielectric-slab back metal is not shown, unit is millimeter (mm).
The detailed metal structure figure and reality of two Radiative antenna elements of main dielectric-slab back side are printed in Fig. 7 Fig. 1
Dimensional drawing, main dielectric-slab front metal gray display are applied, main dielectric-slab front metal is not shown, unit is millimeter (mm).
The detailed metal structure figure and reality of two Radiative antenna elements of main dielectric-slab front lower section are printed in Fig. 8 Fig. 1
Dimensional drawing, main dielectric-slab front metal black display are applied, main dielectric-slab back metal is not shown, unit is millimeter (mm).
Detailed metal structure figure and the implementation of main medium back following two Radiative antenna elements are printed in Fig. 9 Fig. 1
Dimensional drawing, main dielectric-slab front metal gray display, main dielectric-slab front metal do not show that unit is millimeter (mm).
Figure 10 be Fig. 1-9 in four-antenna system first kind radiating element (4) actual measurement reflection coefficient measurement result S11 and
S33。
Figure 11 be Fig. 1-9 in four-antenna system the second class radiating element (5) actual measurement reflection coefficient measurement result S22 and
S44。
Figure 12 is the upper right side Radiative antenna elements and upper left side radiating antenna of four-antenna system in embodiment in Fig. 1-9
The coefficient of coup between unit, the coupling between four-antenna system lower right Radiative antenna elements and upper right side Radiative antenna elements
The coefficient of coup, that is, S21 between coefficient and four-antenna system lower right Radiative antenna elements and upper left side Radiative antenna elements,
The measurement result of S31, S32.
Figure 13 is the lower left Radiative antenna elements and upper right side radiating antenna of four-antenna system in embodiment in Fig. 1-9
The coefficient of coup between unit, the coupling between four-antenna system lower left Radiative antenna elements and upper left side Radiative antenna elements
The coefficient of coup, that is, S41 between coefficient and four-antenna system lower left Radiative antenna elements and lower right Radiative antenna elements,
The measurement result of S42 and S43.
Figure 14 is the upper right radiating element (41) that the first kind radiating element of antenna material object is made with Fig. 5-9 illustrated dimension
Efficiency by inputoutput test.
Figure 15 is the bottom right radiating element (42) that the first kind radiating element of antenna material object is made with Fig. 5-9 illustrated dimension
Efficiency by inputoutput test.
Figure 16 is the upper left radiating element (51) that the second class radiating element of antenna material object is made with Fig. 5-9 illustrated dimension
Efficiency by inputoutput test.
Figure 17 is the lower-left radiating element (52) that the second class radiating element of antenna material object is made with Fig. 5-9 illustrated dimension
Efficiency by inputoutput test.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
The present invention proposes a kind of four-antenna system that the multiband applied to 5G mobile terminal covers, and realizes in metal edges
The antenna structure of multiple antennas multiband covering under the conditions of frame.Fig. 1-9 gives the specific structure and relative dimensions of antenna, the day
Line is by dielectric-slab (1), metal ground (2), microstrip-fed line (3), first kind radiating element (4) and second class radiating element (5) group
At the size of dielectric-slab is 153mm × 77mm × 0.8mm.
On the metal ground (2) that one size of back up of dielectric-slab is 133mm × 77mm, in the upper right of dielectric-slab,
There are four feed lines in upper left, bottom right, upper left, that is, the first microstrip line (31), the second microstrip line (32), third microstrip line (33) and
4th microstrip line (34), their size are 40mm × 1.5mm.
This four feed lines respectively connected 4 radiating elements, that is, upper right corner radiating element (41), lower right corner radiation are single
First (42), upper left corner radiating element (51), lower left corner radiating element (52), feeding point are respectively the first feeding point (71), and second
Feeding point (72), third feeding point (73), the 4th feeding point (74).
Upper right corner radiating element (41) is by being located at the dielectric-slab (1) positive inductance load couple feed line (411), instead
" L " type feed line (412) and the first shape of rectangular ribbon (413) for being located at the dielectric-slab (1) back side, the second shape of rectangular ribbon (414),
T-shape inductance loaded line (415), third shape of rectangular ribbon (416) and top second rectangle vertical with dielectric-slab top edge
Extend band (212), the first rectangle of top extends band (211), and there are also right sides vertical with the dielectric-slab (1) right side edge the
One bar shaped extends band (241) and constitutes.
Wherein inductance loads couple feed line (411) and by the first shape of rectangular ribbon 1 (413), T-shape inductance loaded line
(415) and the ground connection minor matters of the second rectangle of top extension band (212) composition can cover low-frequency range；By anti-" L " type feed
Line (412), third shape of rectangular ribbon (416) and the first rectangle of top extend band (211) and the first bar shaped of right side extends band
(241) the single minor matters constituted are mainly used to cover high band.
Similarly, lower right corner radiating element (42) loads couple feed line by being located at the dielectric-slab (1) positive inductance
(421), " L " type feed line (422), the first resonance line (423) and the 4th shape of rectangular ribbon for being located at the dielectric-slab (1) back side
(424), " L " type inductance loaded line (425) and bottom end second rectangle vertical with dielectric-slab top edge extend band (426),
The first rectangle of bottom end extends band (221), and there are also the right side third bar shapeds vertical with the dielectric-slab (1) right side edge to extend band
(243) it constitutes.Wherein the second inductance load couple feed line (421) and the 4th shape of rectangular ribbon (424), " L " type inductance loaded line
(425) and the ground connection minor matters of the second rectangle of bottom end extension band (222) composition can cover low-frequency range；By " L " type feed line
(422), the first resonance line (423) and the first rectangle of bottom end extend band (221) and right side third bar shaped extends band (243) structure
At monopole minor matters be mainly used to cover high band.
Upper left corner radiating element (51), by being located at the dielectric-slab (1) positive folding feed line (511), the second tuning
The extension of line (512), the second microstrip feed line there are also the first match circuit (513) and is located at the dielectric-slab (1) back side
First rectangular particles (516) and the top third rectangle for being located at the dielectric-slab (1) top edge extend band (213) and are located at
The first bar shaped of left side of dielectric-slab left edge extends band (231) and constitutes.Feed line (511) wherein are folded, the first resonance line 2
(512), third rectangle in top extends band (213) and the first bar shaped of left side extends band (231) enough at a monopole radiator,
With the help of the first match circuit (513), which can cover high band, and the first rectangular particles (516) can
To cover ISM 5GHz frequency range.
Lower left corner radiating element (52), by being located at anti-" L " the type feed line (521) in the dielectric-slab (1) positive center, the
Triple-sthb tuner (522), the 4th resonance line (523), the second match circuit (524), and it is located at the second of the dielectric-slab (1) back side
Rectangular particles (527) and the bottom end third rectangle for being located at the dielectric-slab (1) lower edge extend band (223) and are located at medium
The fold line 10 (222) of plate left edge is constituted.Wherein anti-" L " type (521) in center, third resonance line (522), the 4th resonance line
(523) third rectangle in bottom end extends band (223) and left side third bar shaped extends band (233) enough at a monopole radiator,
With the help of the second match circuit (524), which can cover high band, and the second rectangular particles (527) can
To cover ISM 5GHz frequency range.
The technical scheme of the present invention is realized as follows:
One, the radiation of antenna
First kind radiating element (4)
It is located at the upper right corner radiating element (41) and lower right corner radiating element (42) of dielectric-slab, the two radiation are single
Member mainly consists of three parts radiating element (41), i.e. the first inductance loads couple feed line (411) by the first rectangle
Band (413), T-shape inductance loaded line (415) and the second rectangle of top extend the ground connection minor matters that band (212) is constituted and by
Instead " L " type feed line (412), third shape of rectangular ribbon (416) and the first rectangle of top extend band (211) and first, right side
Shape extends the monopole minor matters that single minor matters that band (241) is constituted are constituted and constitutes.
Wherein the first inductance load couple feed line (411) and ground connection minor matters are mainly used to cover low-frequency range (698-
960MHz)；By anti-" L " type feed line (412), third shape of rectangular ribbon (416) and the first rectangle of top extend band (211) and
The first bar shaped of right side extends single minor matters that band (241) is constituted and is mainly used to cover 1450-2690MHz and 3400-3600MHz.
Lower right corner radiating element (42), mainly consists of three parts, and the second inductance loads couple feed line (421) and rectangle
Band 4 (424), ground connection minor matters that " L " inductance loaded line (425) and fold line 4 (426) are constituted and by " L " type feed line
(422), the first resonance line (423) and the first rectangle of bottom end extend band (427) and right side third bar shaped extends band (243) structure
At monopole minor matters.Wherein the second inductance load couple feed line (421) and ground connection minor matters are mainly used to cover low-frequency range
(698-960MHz).By " L " type feed line (412), the first resonance line (423) and the first rectangle of bottom end extend band (427)
Extend the monopole minor matters that band (243) is constituted with right side third bar shaped to be mainly used to cover 1450-2690MHz and 3400-
3600MHz。
Second class radiating element (5)
Upper left corner radiating element (51), by being located at the dielectric-slab (1) positive folding feed line (511), the second tuning
Line (512), the extension of the second microstrip feed line is there are also match circuit (513) and positioned at the first of the dielectric-slab (1) back side
Rectangular particles (516) and the top third rectangle for being located at the dielectric-slab (1) top edge extend band (213) and are located at medium
The first bar shaped of left side of plate left edge extends band, and ((231) are constituted.Feed line (511) wherein are folded, the second resonance line (512), top
Hold third rectangle extend band (213) and the first bar shaped of left side extend band ((231) enough at a monopole radiator, first
With the help of match circuit (513), which can cover 1545-3600MHz, and the first rectangular particles (516) can
To cover 5100-5900MHz.
Lower left corner radiating element (52), by being located at anti-" L " the type feed line (521) in the dielectric-slab (1) positive center, the
Triple-sthb tuner (522), the 4th resonance line (523), the second match circuit (524), and it is located at the second of the dielectric-slab (1) back side
Rectangular particles (527) and the bottom end third rectangle for being located at the dielectric-slab (1) lower edge extend band (223) and are located at medium
The left side third bar shaped of plate left edge extends band (233) and constitutes.Wherein anti-" L " type (521) in center, third resonance line (522), the
Four resonance lines (523), bottom end third rectangle extends band (223) and left side third bar shaped extends band (233) enough at a monopole
Sub- radiator, second with the help of match circuit (524), which can cover 1545-3600MHz, and second
Rectangular particles (527) can cover 5100-5900MHz.
Two, the coupling of antenna
For two radiating elements of first kind radiating element (4), i.e. upper right radiating element (41) and bottom right radiating element
(42) it is directly coupled, is by two radiating elements of the second class radiating element (5), i.e. upper left radiating element (51) and lower-left
Radiating element (52) achievees the effect that decoupling to the absorption of floor electric current, two radiating elements of the second class radiating element (5), i.e.,
The distance of upper left radiating element (51) and lower-left radiating element (52) is distant, the coupling very little between them, direct range solution
Coupling, the coupling between upper right radiating element (41) and upper left radiating element (51) are to carry out coupling releasing by match circuit, together
Reason, the coupling between bottom right radiating element (42) and lower-left radiating element (52) is also to be matched circuit to be decoupled.
As shown in figs. 10-11 with the test result of the reflection coefficient of the antenna of Fig. 5-9 illustrated dimension production.It can by Figure 10
Know, two radiating elements of the first kind radiating element (4) of the antenna, the actual measurement -5dB impedance bandwidth of upper right radiating element (41)
For 275MHz (685-960MHz) and 2500MHz (1.3-3.8GHz), the actual measurement -5dB impedance bandwidth of bottom right radiating element (42)
For 310MHz (670-980MHz), 1480MHz (1.34-2.82GHz) and 750MHz (3.2-3.95GHz) can be covered
The frequency ranges such as LTE700, GSM850, GSM900, DCS, PCS, UMTS, LTE2300, LTE2500 and band 24 and band 42.
As shown in Figure 11, two radiating elements of the second class radiating element (5), i.e. upper right radiating element (51) and bottom right spoke
Actual measurement -5dB the impedance bandwidth for penetrating unit (52) can cover GPS, DCS, PCS, UMTS, LTE2300, LTE2500, band 42
And ISM band 5G frequency range.
As shown in Figure 12 and Figure 13, four antennas of four-antenna system be directly coupled LTE700, GSM850,
GSM900, DCS, PCS, GPS, UMTS, LTE2300, LTE2500 and band 24 and band 42 and ISM band 5G frequency
Section is both less than -10dB.
With two radiating elements of the first kind radiating element (4) of the antenna of Fig. 5-9 illustrated dimension production, i.e. upper right radiates
The efficiency by inputoutput test of unit (41) and bottom right radiating element (42) is as shown in Figure 14 and Figure 15.As shown in Figure 14, upper right radiating element
(41) it is largely both greater than -6dB in the efficiency by inputoutput test of low-frequency range, in addition to the part at edge is between -6 and -7dB, high band is
Efficiency is all more than -3dB.As shown in Figure 14, upper right radiating element (41) low-frequency range efficiency by inputoutput test largely both greater than-
3dB, in addition to the part at edge is between -3.5 and -3dB, high band is efficiency all more than -3dB.
With two radiating elements of the second class radiating element (5) of the antenna of Fig. 5-9 illustrated dimension production, i.e. upper left radiates
The efficiency by inputoutput test of unit (51) and lower-left radiating element (52) is as shown in Figure 16 and Figure 17.As shown in Figure 16, the antenna is in high frequency
Section and the efficiency by inputoutput test of IMS band 5G are both greater than -3.5dB, and as shown in Figure 17, the antenna is in high band and IMS band 5G
Efficiency by inputoutput test be both greater than -3.5dB
Four-antenna system proposed by the present invention, and gain with higher and preferable radiation efficiency in working frequency range,
Meet the third generation mobile communication system to the design requirement of multiple antennas metal edge frame and narrow frame mobile terminal antenna.
Claims (1)
1. a kind of four-antenna system that the multiband applied to 5G mobile terminal covers, which is characterized in that contain: dielectric-slab (1),
Metal ground (2), microstrip-fed line (3), first kind radiating element and the second class radiating element, in which:
Dielectric-slab (1), length × width × height degree are 153mm × 77mm × 0.8mm；
Metal ground (2) is located at the back side of the dielectric-slab (1), and length × width is 153mm × 77mm, along the dielectric-slab (1)
Top margin and bottom edge is each extends downwardly 10mm upwards, along the left and right sides horizontal extension 7.5mm of the dielectric-slab (1), is used respectively
It upwardly extends partially (21), downward extension portion (22), to the left extension (23), extension (24) indicate to the right, in which:
It is described to upwardly extend part (21), perpendicular to the dielectric-slab (1) after being flipped up 90 degree along the top margin, moreover,
The rectangle extension band for upwardly extending part (21) and being divided into three mutual disjunct tops, along the side of the top margin
Right-to-left uses (211,212,213) to indicate respectively；
The downward extension portion (22), perpendicular to the dielectric-slab (1) after being flipped up 90 degree along the bottom edge, moreover,
It is rectangular that the downward extension portion (22) along the direction right-to-left on the bottom edge is divided into three mutually isolated bottom ends
Shape extends band, is indicated respectively with (221,222,223)；
The extension to the left (23), with left side be it is axial turn over turn 90 degrees after perpendicular to the dielectric-slab (1), Er Qiesuo
It states and is divided into three mutual blocked left side bar shapeds extension bands from the top down to the left extension (23), decibel is used from top to bottom
(231,232,233) it indicates；
The extension to the right (24), with right edge be it is axial turn over turn 90 degrees after perpendicular to the dielectric-slab (1), Er Qiesuo
It states and is divided into three mutual blocked left side bar shapeds extension bands from the top down to the right extension (24), decibel is used from top to bottom
(241,242,243) it indicates；
Four extensions (21,22,23,24) respectively together constitute four-antenna system after overturning is welded along corner
Metal edge frame；
Microstrip-fed line (3), is expressed as (31,32,33,34), is all printed in the form of vertical line from top to bottom by totally four
The front of the dielectric-slab (1), is respectively used to upper right radiating element, bottom right radiating element, upper left radiating element and lower-left spoke
Unit feed is penetrated, the width of four microstrip-fed lines is 1.5mm, wherein
Transverse width and the microstrip-fed line of third (33) between first microstrip-fed line (31) and the second microstrip-fed line (32)
Width between the 4th microstrip-fed line (34) is equal；
First kind radiating element, is located at the upper right corner radiating element in the dielectric-slab (1) upper right corner and is located at institute by totally 2
Give an account of the lower right corner radiating element in scutum (1) lower right corner, in which:
Upper right corner radiating element, comprising:
Positive positioned at the dielectric-slab (1) to be: first kind inductance loads couple feed line (411) and overturns 180 degree to the left
Anti- " L " the type feed line (412) of the first kind, the long minor matters of the first inductance load couple feed line (411) are along horizontal direction
Distribution, right side are connected to the left side at the top of the microstrip-fed line of the first kind (31), and there are one use in the long minor matters
To enhance the inductance of electrical length,
Positioned at the dielectric-slab (1) back side: the first shape of rectangular ribbon (413), the second shape of rectangular ribbon (414), T-shape inductance add
Line (415) and third shape of rectangular ribbon (416) are carried, further includes that first bar shaped of right side extends band (241) and top first, the
Two rectangles extend band (211,212),
First shape of rectangular ribbon (413), horizontal distribution, upper surface and the second rectangle of top extend band (212) along the medium
The deckle of plate (1) is vertically connected,
Second shape of rectangular ribbon (414), the big inductance loaded line and first square that the top of left side passes through a horizontal direction
The right side of shape band (413) is connected,
T-type inductance loaded line (415), upper surface extend band (212) close to the top margin of the dielectric-slab (1) and the top second
It is perpendicular, and there are gap between left side and the right side of second shape of rectangular ribbon (414),
Third shape of rectangular ribbon (416), upper surface extend band close to the top of the dielectric-slab (1) and the first rectangle of top
It is (211) perpendicular,
The bottom surface of first shape of rectangular ribbon (413), the second shape of rectangular ribbon (414) and T-shape inductance loaded line (415) is in same
On one water surface curve, and it is in sustained height with the bottom surface of the described first anti-" L " type feed line (412),
In the upper right corner radiating element (41):
Couple feed line (411) are loaded by the inductance, T-shape inductance loaded line (415), the second oblong rectangular of top extends
Band (212), the ground connection minor matters that the first shape of rectangular ribbon (413) is constituted are used to cover low-frequency range,
By anti-" L " the type feed line (412), third shape of rectangular ribbon (416), the first rectangle of top extends band (211) and the right side
The first bar shaped of side extends the monopole minor matters that band (241) is constituted and is used to cover high band,
Lower right corner radiating element (42), comprising:
Have positioned at the dielectric-slab (1) is positive: the second inductance loads couple feed line (421), the first resonance line (423) and
" L " type feed line (422), in which: under the top and the microstrip-fed line of the third (33) of " L " the type feed line (422)
End face be connected, extend to " L " type feed line (422) terminal horizontal lower right corner side of the dielectric-slab (1) and with the right side
Side third bar shaped extends, second inductance load couple feed line (421) right end and institute as starting point perpendicular with (243)
The corner end for stating " L " type feed line (422) is connected, and the inductance loads couple feed line (421) from right to left in the horizontal direction
Level is turned back through terminal vertically downward again for wiring, and first resonance line (423) is from the microstrip-fed line of the third (33)
It sets out on the right side of lower end, the lower right corner side for the dielectric-slab (1) that goes directly after being routed along horizontal direction to the right and right side third
Bar shaped extension band (243) is perpendicular,
Positioned at having for the dielectric-slab (1) back side: the 4th shape of rectangular ribbon (424), " L " type inductance loaded line (425), bottom end second
Rectangle extends band (222) and the first rectangle of bottom end extends band (221), and there are also the right side third bar shapeds to extend band (243),
Wherein: the bottom surface of the 4th shape of rectangular ribbon (424) is and rectangular with the bottom end second close to the bottom edge of the dielectric-slab (1)
Shape extend band (222) it is perpendicular, the bottom edge of " L " the type inductance loaded line (425) also close to the bottom edge of the dielectric-slab (1) simultaneously
Also extend band (222) with second rectangle of bottom end to intersect vertically；The upper surface of 4th shape of rectangular ribbon (424) with it is described
The turn back line that second inductance loads couple feed line (421) is parallel, the load electricity of " L " type inductance loaded line (425) end
You are in same horizontal line for the lower end surface of the upper surface of sense and right side third bar shaped extension with (243),
Lower right corner radiating element (42), wherein the second inductance loads couple feed line (421), the 4th shape of rectangular ribbon (424), " L "
Type inductance loaded line (425) and the second rectangle of bottom end extend ground connection minor matters that band (222) is constituted to cover low-frequency range, by
" L " type feed line (422), resonance line (423) and the first rectangle of bottom end extend band (427) and right side third bar shaped extends band
(243) constitute monopole minor matters to cover high band,
Upper left corner radiating element (51), comprising:
Have positioned at dielectric-slab (1) is positive: folding feed line (511), the second resonance line (512) and the second microstrip feed line (32)
Extension intersect with the described second microstrip-fed line (32) Right vertical after the first match circuit (513), in which: it is described
Fold feed line (511) horizontal extension and upward phase vertical with the top margin of the dielectric-slab (1) later of vertically turning back twice to the right
It hands over, second resonance line (512) first extends with the first bar shaped of left side with (231) In after vertically turning back upwards twice to the left
It intersects vertically in the right edge of the dielectric-slab (1),
Positioned at having for dielectric-slab (1) back side: the first rectangular particles (516), the top third for being located at dielectric-slab (1) upper edge are rectangular
Shape, which extends band (213) and is located at the first bar shaped on the left of dielectric-slab (1), extends band (231),
The bottom surface of first rectangular particles (516) is connect with the top of the described second microstrip-fed line (32) by through-hole, institute
State the first match circuit (513) by load series capacitance on the second microstrip-fed line (32) and with the second microstrip-fed line
(32) capacitor and inductance of lump in parallel are constituted,
The folding feed line (511), the second resonance line (512), top third rectangle extend band (213) and constitute a monopole
Sub- radiator, with the help of the first match circuit (513), to cover high band, the first rectangular particles (516) are to cover
ISM5GHz frequency range；
Lower left corner radiating element (52), comprising:
Have positioned at the dielectric-slab (1) is positive: anti-" L " the type feed line (521) in center, third resonance line (522), the 4th tuning
Line (523) and the second match circuit (524), in which: horizontal ends of anti-" L " the type feed line (521) in the center and the 4th micro-
Partial right side with the extension being connected in feed line (34) with second match circuit (524) is connected, and the other end is through institute
It gives an account of the bottom edge of scutum (1) and bottom end third rectangle extends band (223) and intersects vertically, third resonance line (522) is in inverted " L "
Type, horizontal ends and the extension left side of the described 4th microstrip-fed line (34) are perpendicular, and the other end and the dielectric-slab (1)
The bottom end third rectangle at bottom edge extends band (223) and intersects vertically, the 4th resonance line (523), left and right ends respectively with
The left side third bar shaped extends band (233), and third resonance line (522) lower end intersects vertically,
Positioned at having for the dielectric-slab (1) back side: the second rectangular particles (527), there are also be located at the dielectric-slab (1) lower-left arm of angle
The left side third bar shaped of edge extends band (233) and the bottom end third rectangle extension band for being located at the dielectric-slab (1) lower edge
(223),
Anti- " L " the type feed line (521) in the center, third resonance line (522), bottom end third rectangle extension (223) are left
Side third stripe shape extension (233) constitutes a monopole radiator, under the cooperation of third match circuit, to cover height
Frequency range, the second rectangular particles (527) are to cover ISM5GHz frequency range.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113471665A (en) * | 2020-03-31 | 2021-10-01 | 华为技术有限公司 | Antenna and terminal |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101030672A (en) * | 2007-03-09 | 2007-09-05 | 清华大学 | Four-antenna mobile terminal system |
| CN102110900B (en) * | 2010-12-27 | 2014-07-02 | 中兴通讯股份有限公司 | Array antenna of mobile terminal and implementation method of array antenna |
| CN103682596B (en) * | 2013-12-05 | 2016-03-30 | 清华大学 | For broadband four antenna system of mobile terminal |
| CN205211920U (en) * | 2015-12-25 | 2016-05-04 | 惠州硕贝德无线科技股份有限公司 | Cell -phone LTE antenna and MIMO antenna thereof |
| US9853364B2 (en) * | 2013-06-28 | 2017-12-26 | Huawei Technologies Co., Ltd | Multiple-antenna system and mobile terminal |
| CN107591607A (en) * | 2017-07-25 | 2018-01-16 | 讯创(天津)电子有限公司 | A kind of preparation technology of the array 5G antennas of intelligent mobile phone |
| CN207069057U (en) * | 2017-08-15 | 2018-03-02 | 深圳市信维通信股份有限公司 | A kind of small size double frequency WIFI antenna MIMO systems |
| CN109904606A (en) * | 2019-03-13 | 2019-06-18 | 重庆邮电大学 | A kind of three four unit mimo antennas of frequency of high-isolation |
-
2019
- 2019-07-16 CN CN201910639576.5A patent/CN110492232B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101030672A (en) * | 2007-03-09 | 2007-09-05 | 清华大学 | Four-antenna mobile terminal system |
| CN102110900B (en) * | 2010-12-27 | 2014-07-02 | 中兴通讯股份有限公司 | Array antenna of mobile terminal and implementation method of array antenna |
| US9853364B2 (en) * | 2013-06-28 | 2017-12-26 | Huawei Technologies Co., Ltd | Multiple-antenna system and mobile terminal |
| CN103682596B (en) * | 2013-12-05 | 2016-03-30 | 清华大学 | For broadband four antenna system of mobile terminal |
| CN205211920U (en) * | 2015-12-25 | 2016-05-04 | 惠州硕贝德无线科技股份有限公司 | Cell -phone LTE antenna and MIMO antenna thereof |
| CN107591607A (en) * | 2017-07-25 | 2018-01-16 | 讯创(天津)电子有限公司 | A kind of preparation technology of the array 5G antennas of intelligent mobile phone |
| CN207069057U (en) * | 2017-08-15 | 2018-03-02 | 深圳市信维通信股份有限公司 | A kind of small size double frequency WIFI antenna MIMO systems |
| CN109904606A (en) * | 2019-03-13 | 2019-06-18 | 重庆邮电大学 | A kind of three four unit mimo antennas of frequency of high-isolation |
Non-Patent Citations (2)
| Title |
|---|
| DAIWEI HUANG , ZHENGWEI DU , AND YAN WANG: "A Quad-Antenna System for 4G/5G/GPS Metal", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》 * |
| ZHOUYOU REN, SHENGJIE WU, ANPING ZHAO: "Triple Band MIMO Antenna System for 5G Mobile Terminals", 《2019 INTERNATIONAL WORKSHOP ON ANTENNA TECHNOLOGY(IWAT)》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471665A (en) * | 2020-03-31 | 2021-10-01 | 华为技术有限公司 | Antenna and terminal |
| WO2021197399A1 (en) * | 2020-03-31 | 2021-10-07 | 华为技术有限公司 | Antenna and terminal |
| CN113471665B (en) * | 2020-03-31 | 2022-09-16 | 华为技术有限公司 | Antenna and terminal |
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