CN101916911B - Broadband directional antenna for mobile communication - Google Patents
Broadband directional antenna for mobile communication Download PDFInfo
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- CN101916911B CN101916911B CN 201010228979 CN201010228979A CN101916911B CN 101916911 B CN101916911 B CN 101916911B CN 201010228979 CN201010228979 CN 201010228979 CN 201010228979 A CN201010228979 A CN 201010228979A CN 101916911 B CN101916911 B CN 101916911B
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- radiating element
- antenna
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- paster radiating
- mobile communication
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Abstract
The invention relates to a broadband directional antenna for mobile communication. A primary radiating element part of the antenna consists of a small ring-shaped vertical patch radiating element (2) and a big ring-shaped vertical patch radiating element (3) which are eccentrically arranged, wherein the small ring-shaped vertical patch radiating element (2) is higher than the big ring-shaped vertical patch radiating element (3); a feed probe (1) is arranged in the small ring-shaped vertical patch radiating element (2) and is flush with the small ring-shaped vertical patch radiating element (2); a small compensating plate (5) and a big compensating plate (6) are arranged at the periphery of the feed probe (1) on a ground plane of the antenna; an outer conductor of a main feeder line (9) is directly welded with a ground plate (7); a conductor (8) in the main feeder line is connected with the feed probe (1); and a supporting medium (4) is arranged between the primary radiating element of the antenna and the ground plate (7).
Description
Technical field
The present invention relates to a kind of directional antenna, relate in particular to a kind of broadband beam antenna for mobile communication.
Background technology
Because radio communication equipment and electronic message unit be towards multifunction, miniaturization, ultra broadband and the friendly future development of coordinating with surrounding environment, this is so that broadband, and miniaturization becomes one of hot subject of domestic and international research.It relates to the wideband impedance match technology of antenna, the loading technique of antenna, the reactance compensation technique of antenna, advanced technology and the techniques such as optimal design of miniature antenna profile.Solve simultaneously some shortcomings of existing antenna: (1) requires the gain of antenna higher at present, such as the gain that requires 6-7dBi, and the most of Yagi antennas of existing antenna or logarithm periodic antenna, the raising along with gain of antenna, its volume increases, and therefore is not easy to Miniaturization Design.(2) at present the antenna that uses of user requires miniaturization, requires mobilely with antenna well installing advertisement placard, the occasion such as indoor, so the miniaturization of antenna becomes the important development direction of present mobile communication.(3) present communication is more and more higher to the requirement of bandwidth, and the antenna of at present mobile communication use requires to realize backward compatible, has requirement to realize that the station is total to the location altogether, has solved existing resource scarcity phenomenon.Present Yagi antenna can not satisfy wide band demand, although and logarithm periodic antenna can meet the demands, therefore along with wide band design need to have more oscillator, give and produce and design brings certain difficulty.Therefore the antenna of a plurality of frequency ranges is integrated into a kind of antenna structure, the design ultra-wideband antenna is a kind of trend of current technical development, also is the major impetus that realizes device miniaturization.Antenna product in the past is to design for different working frequency range, and stock size and volume are all larger, variant communication system independent design, can be compatible or compatible degree depend on bandwidth and the cost of antenna system.And the most complex structure of product of exploitation, design loaded down with trivial detailsly, versatility is poor, and processing cost is high, and there is certain defective in performance, should not promote, this mobile communication cells covers and has caused certain difficulty, therefore develops multiband, miniaturization, simple in structure, flexible design, directional antenna with low cost is one of current study hotspot.
Summary of the invention
Technical problem to be solved:
The invention provides a kind of have higher radiation efficiency and high gain, a kind of broadband beam antenna for mobile communication simple in structure for above deficiency.
Technical scheme:
A kind of broadband beam antenna for mobile communication comprises feed structure, ground plate, roundlet annular vertical paster radiating element, the vertical paster radiating element of circle ring, feed probes, Supporting Media, little compensating plate, large compensation sheet; The primary radiation cell mesh of antenna is comprised of two vertical pasters of annular, i.e. the vertical paster radiating element with circle ring of roundlet annular vertical paster radiating element, the vertical paster radiating element with circle ring of roundlet annular vertical paster radiating element decentraction; Roundlet annular vertical paster radiating element height is higher than the vertical paster radiating element of circle ring, feed probes is arranged in the roundlet annular vertical paster radiating element, and concordant setting with feed probes is provided with little compensating plate and large compensation sheet around feed probes on the ground plane of antenna; The outer conductor of main feeder directly and ground plate weld together, main feeder line inner wire and feed probes link together, and are provided with Supporting Media between the primary radiation unit of antenna and the ground plate.
Described Supporting Media adopts foam or dielectric constant to be approximately equal to 1 medium and fills, and also can adopt the plastic column supporting construction.
Described two vertical pasters of annular are two vertical pasters of concentric annulus.
Described feed probes is arranged between the vertical paster radiating element 3 with circle ring of roundlet annular vertical paster radiating element 2.
Beneficial effect:
(1) the present invention utilizes the vertical mount technology design of annular broadband beam antenna, and antenna of the present invention can satisfy the demand of mobile communication, and higher radiation efficiency and high gain are arranged.(2) the present invention is a directional antenna, can be installed in the Plastic Drum and the radome of any shape in, and can form easily array antenna, as base station and discharging-directly station antenna, greatly improved communication quality, improved communication environment.(3) the present invention adopts the probe coupling feeding technique, and is not only simple, and is convenient to practical operation.(4) simple, the flexible design of the antenna structure of the present invention's proposition can be optimized corresponding antenna size according to different radomes, is convenient to actual production and popularization.(5) the present invention can effectively reduce the section of antenna, is convenient to the Miniaturization Design of antenna, greatly reduces production costs simultaneously.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the layout schematic diagram of feed probes of the present invention and primary radiation unit.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in more detail.
As shown in Figure 1 and Figure 2,1 be that feed probes, 2 is main feeder line inner wire, 9 main feeders for ground plate, 8 for large compensation sheet, 7 for little compensating plate, 6 for Supporting Media, 5 for the vertical paster radiating element of circle ring, 4 for roundlet annular vertical paster radiating element, 3 wherein.
A kind of broadband beam antenna for mobile communication comprises ground plate 7, roundlet annular vertical paster radiating element 2, the vertical paster radiating element 3 of circle ring, feed probes 1, Supporting Media 4, little compensating plate 5, large compensation sheet 6, feed structure.
The primary radiation cell mesh of antenna forms (being the vertical paster radiating element 3 with circle ring of roundlet annular vertical paster radiating element 2) by the vertical paster of annular of two decentraction.Roundlet annular vertical paster radiating element 2 highly is higher than the vertical paster radiating element 3 of circle ring, and with feed probes 1 concordant setting.Feed probes 1 is arranged in the roundlet annular vertical paster radiating element 2.Around feed probes 1, be provided with two compensating plates (being little compensating plate 5 and large compensation sheet 6) on the ground plane of antenna.The outer conductor of main feeder 9 directly and ground plate 7 weld together, main feeder line inner wire 8 and feed probes 1 link together.Be provided with Supporting Media 4 between the primary radiation unit of antenna and the ground plate 7, Supporting Media 4 adopts foams or dielectric constant to be approximately equal to 1 medium and fills, and also can adopt the plastic column supporting construction.Whole antenna is fixed together firmly by supporting construction, and is installed in the radome, makes the antenna of design can be as the unit of wall aerial and repeater or base station.
The present invention can also comprise:
1, directly adopts the broadband beam antenna of the vertical mount technology design of concentric circles annular.
2, feed probes can be arranged between two vertical pasters of annular.
3, the designed antenna of the present invention mode that can also adopt the vertical paster of annular and horizontal paster to combine designs broadband beam antenna.
The advantage of this structure:
A. antenna adopts the vertical mount technology of annular, has inherited the advantage of plane ring shaped paster antenna, simultaneously effectively broadening the bandwidth of antenna, just can realize wide band communication requirement with the antenna that makes design, thereby satisfy the miniaturization requirement of antenna.
B. antenna adopts two vertical pasters of annulus, and be convenient to realize the independent design of height frequency range, thereby can provide convenience for the design of antenna, and two the vertical pasters employing of annular decentraction structures, be convenient to realize the compensation of height frequency range.
C. the present invention adopts collocation structure, and compensation is because of the long inductive effect of bringing of probe, thereby the impedance bandwidth of increase antenna realizes wide-band applications.
D. the present invention adopts the radio wave propagation principle, electric wave produces electromagnetic coupled along feed probes around the vertical paster of annulus, give two vertical pasters of annular electromagnetic energy transfer, thereby make the electromagnetic wave outside radiation, low-and high-frequency is because of the position difference excitation energy of circular ring-shaped radiation unit distance probes, thereby the realization broadband character satisfies CDMA, GSM, the demand of 3G.
E. the present invention adopts coupling probe feeding technique and annular mount technology, effectively reduces the section of antenna, so that the size of antenna reduces greatly.Simultaneously antenna pattern and the gain of antenna in working band has preferably consistency.
Claims (5)
1. broadband beam antenna that is used for mobile communication, comprise feed structure, ground plate (7), it is characterized in that: also comprise roundlet annular vertical paster radiating element (2), the vertical paster radiating element of circle ring (3), feed probes (1), Supporting Media (4), little compensating plate (5), large compensation sheet (6); The primary radiation cell mesh of antenna is comprised of two vertical pasters of annular, be the vertical paster radiating element with circle ring of roundlet annular vertical paster radiating element (2) (3), the vertical paster radiating element with circle ring of roundlet annular vertical paster radiating element (2) (3) decentraction; Roundlet annular vertical paster radiating element (2) highly is higher than the vertical paster radiating element of circle ring (3), feed probes (1) is arranged in the roundlet annular vertical paster radiating element (2), and with the concordant setting of feed probes (1), around feed probes (1), be provided with little compensating plate (5) and large compensation sheet (6) on the ground plane of antenna; The outer conductor of main feeder (9) directly and ground plate (7) weld together, main feeder line inner wire (8) and feed probes (1) link together, and are provided with Supporting Media (4) between the primary radiation unit of antenna and the ground plate (7).
2. a kind of broadband beam antenna for mobile communication according to claim 1 is characterized in that: described Supporting Media (4) adopts foam or dielectric constant to be approximately equal to 1 medium.
3. a kind of broadband beam antenna for mobile communication according to claim 1 is characterized in that: described Supporting Media (4) employing plastic column supporting construction.
4. the described a kind of broadband beam antenna for mobile communication of any one in 3 according to claim 1, it is characterized in that: described two vertical pasters of annular are two vertical pasters of concentric annulus.
5. the described a kind of broadband beam antenna for mobile communication of any one in 3 according to claim 1, it is characterized in that: described feed probes (1) is arranged between the vertical paster radiating element with circle ring of roundlet annular vertical paster radiating element (2) (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010228979 CN101916911B (en) | 2010-07-16 | 2010-07-16 | Broadband directional antenna for mobile communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010228979 CN101916911B (en) | 2010-07-16 | 2010-07-16 | Broadband directional antenna for mobile communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101916911A CN101916911A (en) | 2010-12-15 |
| CN101916911B true CN101916911B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010228979 Expired - Fee Related CN101916911B (en) | 2010-07-16 | 2010-07-16 | Broadband directional antenna for mobile communication |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490016B (en) * | 2016-01-21 | 2018-01-09 | 桂林电子科技大学 | Broadband beam antenna based on resonant mode reflector |
| CN106252849A (en) * | 2016-08-31 | 2016-12-21 | 武汉睿眼神盾科技有限公司 | A kind of active charger of broadening miniature antenna bandwidth |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5307075A (en) * | 1991-12-12 | 1994-04-26 | Allen Telecom Group, Inc. | Directional microstrip antenna with stacked planar elements |
| CN1765030A (en) * | 2003-04-28 | 2006-04-26 | 胡贝尔和茹纳股份公司 | Broadband antenna apparatus |
| CN101107750A (en) * | 2005-01-24 | 2008-01-16 | 富士通株式会社 | Antenna and RF recognition label mounted with same |
| CN101208825A (en) * | 2005-06-28 | 2008-06-25 | 脉冲芬兰有限公司 | Internal multiband antenna |
| CN201749945U (en) * | 2010-07-16 | 2011-02-16 | 江苏安特耐科技有限公司 | Broadband directional antenna for mobile communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2599430B2 (en) * | 1988-06-09 | 1997-04-09 | 明星電気 株式会社 | Omni directional antenna |
-
2010
- 2010-07-16 CN CN 201010228979 patent/CN101916911B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5307075A (en) * | 1991-12-12 | 1994-04-26 | Allen Telecom Group, Inc. | Directional microstrip antenna with stacked planar elements |
| CN1765030A (en) * | 2003-04-28 | 2006-04-26 | 胡贝尔和茹纳股份公司 | Broadband antenna apparatus |
| CN101107750A (en) * | 2005-01-24 | 2008-01-16 | 富士通株式会社 | Antenna and RF recognition label mounted with same |
| CN101208825A (en) * | 2005-06-28 | 2008-06-25 | 脉冲芬兰有限公司 | Internal multiband antenna |
| CN201749945U (en) * | 2010-07-16 | 2011-02-16 | 江苏安特耐科技有限公司 | Broadband directional antenna for mobile communication |
Non-Patent Citations (1)
| Title |
|---|
| JP平1-311604A 1989.12.15 |
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| CN101916911A (en) | 2010-12-15 |
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