CN101826658B - Reflecting board of base station antenna and base station antenna - Google Patents
Reflecting board of base station antenna and base station antenna Download PDFInfo
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- CN101826658B CN101826658B CN 200910126352 CN200910126352A CN101826658B CN 101826658 B CN101826658 B CN 101826658B CN 200910126352 CN200910126352 CN 200910126352 CN 200910126352 A CN200910126352 A CN 200910126352A CN 101826658 B CN101826658 B CN 101826658B
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Abstract
The embodiment of the invention provides a reflecting board of a base station antenna and the base station antenna. The reflecting board of the base station antenna comprises a bottom plate, two side plates and two choke grooves. The two side plates are symmetrically fixed on two edges of the bottom plate; the two side plates are positioned above a plane where the bottom plate is positioned; the two choke grooves are symmetrically fixed on two edges of the bottom plate; and the two choke grooves are positioned below the plane where the bottom plate is positioned. Compared with the reflecting board of the base station antenna in the prior art, the reflecting board with the structure has smaller dimension, and reduces the waste of materials and the occupied space.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of reflecting plate of antenna for base station and antenna for base station.
Background technology
In current mobile communication system, the frequency resource of system is limited.In order to increase the message capacity of system, need the proportion multiplex technique, namely adopt identical frequency resource at two different districts separated by a distance.
Owing to have the phase mutual interference of signal between the co-frequency cell, so the interference between the co-frequency cell only could the proportion multiplex technique in allowed band.Therefore, the designer must guarantee the minimum spacing between the co-frequency cell.But reducing multiplexing spacing can not obtain with the transmitting power that reduces the base station.Because the system that can affect like this is to effective covering of travelling carriage.
Therefore, another kind of effective solution is to adopt the directional base station antenna of high front and back ratio, can suppress from the backward co-channel interference of antenna, thereby improve power system capacity.Along with the continuous increase of capacity of communication system, the day of frequency resource is becoming tight, and the minimum spacing of co-frequency cell is further dwindled, and is also had higher requirement than index in the front and back of antenna for base station.When the front and back that require antenna for base station reach 30dB when above than index, conventional Antenna Design is difficult to be competent at.
Directed antenna for base station is usually by passive metallic reflection plate and place being of this reflecting plate linearly aligned some radiating elements jointly to form.
Referring to Fig. 1, this figure is a kind of antenna for base station that increases reflecting plate in the prior art.
Fig. 1 compares index by the front and back that the metallic reflection plate that increases antenna for base station improves antenna.Reflecting plate 101 is with radiating element 102 Central Symmetries.Radome 103 is equipped with in radiating element 102 outsides.Reflecting plate 101 is wider more than 1.5 times than general reflecting plate, is comprised of the sheet metal of repeatedly bending.Like this, the size of reflecting plate is larger, wastes material and has increased the space that takies.
Summary of the invention
The embodiment of the invention provides a kind of reflecting plate of antenna for base station, can reduce the size of reflecting plate, reduces the waste of material, and reduces the space that takies.
The embodiment of the invention provides a kind of reflecting plate of antenna for base station, comprising: base plate, two side plates and two choke grooves;
These two side plates are fixed on this base plate two edges symmetrically, and these two side plates all are positioned at the top on this plane, base plate place;
These two choke grooves are fixed on this base plate two edges symmetrically, and these two choke grooves all are positioned at the below on this plane, base plate place.
The embodiment of the invention also provides a kind of antenna for base station, comprise reflecting plate nuclear radiation unit, radiating element is positioned at the centre of base plate, be used for radiated electromagnetic wave, wherein, this reflecting plate comprises base plate, two side plates (i.e. the first side plate and the second side plate) and two choke grooves (i.e. the first choke groove and the second choke groove).
Wherein, two side plates, i.e. the first side plate and the second side plate are fixed on two edges of base plate symmetrically, and two side plates all are positioned at the top on plane, base plate place.
Two choke grooves, namely the first choke groove and the second choke groove are fixed on base plate two edges symmetrically, and these two choke grooves all are positioned at the below on plane, base plate place.
As can be seen from the previous technical solutions, the side plate symmetry is fixed on two edges of base plate, and side plate is positioned at the top on this plane, base plate place; The choke groove symmetry is fixed on two edges of base plate, and choke groove is positioned at the below on this plane, base plate place, the reflecting plate of this structure reflecting plate size of antenna for base station in the prior art is less, thereby reduces the waste of material and reduced the space that takies.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of antenna for base station that increases reflecting plate in the prior art;
Fig. 2 is based on the reflecting plate first example structure figure of antenna for base station of the present invention;
Fig. 3 is based on the reflecting plate second embodiment schematic diagram of antenna for base station of the present invention;
Fig. 4 is based on reflecting plate the 3rd embodiment schematic diagram of antenna for base station of the present invention;
Fig. 5 is based on reflecting plate the 4th embodiment schematic diagram of antenna for base station of the present invention;
Fig. 6 is based on the another embodiment schematic diagram of the reflecting plate of antenna for base station of the present invention;
Fig. 7 is based on the first embodiment schematic diagram of antenna for base station of the present invention;
Fig. 8 is based on the second embodiment schematic diagram of antenna for base station of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The reflecting plate embodiment one of antenna for base station:
Referring to Fig. 2, this figure is reflecting plate the first example structure figure based on antenna for base station of the present invention.
The reflecting plate of embodiment of the invention antenna for base station comprises: base plate 301, two side plates (i.e. the first side plate 302a and the second side plate 302b) and two choke grooves (i.e. the first choke groove 303 and the second choke groove 304).
Wherein, two side plates, i.e. the first side plate 302a and the second side plate 302b are fixed on two edges of base plate 301 symmetrically, and two side plates all are positioned at the top on plane, base plate 301 place.
Two choke grooves, namely the first choke groove 303 and the second choke groove 304 are fixed on 301 liang of edges of base plate symmetrically, and these two choke grooves all are positioned at the below on plane, base plate 301 place.
As seen from the above, the side plate symmetry of the reflecting plate of antenna for base station is fixed on two edges of base plate in the embodiment of the invention, and side plate is positioned at the top on this plane, base plate place; The choke groove symmetry is fixed on two edges of base plate, and choke groove is positioned at the below on this plane, base plate place, the reflecting plate of this structure reflecting plate size of antenna for base station in the prior art is less, thereby reduces the waste of material and reduced the space that takies.
Wherein, this base plate 301 and two side plates (i.e. the first side plate 302a and the second side plate 302b) form reflector element, and described reflector element can be used for the orienting reflex radiated wave; Choke groove (i.e. the first choke groove 303 and the second choke groove 304) is used for decay diffraction to the radiated wave at antenna rear.
As seen from the above, the reflector element reflected radiation ripple of the reflecting plate of antenna for base station, when reflected wave is close with the primary radiation wave amplitude, during single spin-echo, the resultant magnetic field then reduces, thereby reduces the backward radiation of primary radiation ripple, and then improves the front and back ratio of antenna for base station.Because to the antenna for base station rear, choke groove has increased the path that electromagnetic wave signal is walked to reflecting plate the place ahead electromagnetic wave signal that radiating element radiates by choke groove diffraction.Therefore two choke groove effective attenuations the electromagnetic wave signal of diffraction to the antenna for base station rear, can reach the effect of improving antenna for base station front and back ratio.
Wherein, continuous see also Fig. 2, the first choke groove 303 comprises inner edge 303b and outside 303a, and this inner edge 303b fixes with this base plate 301, and this outside 303a stretches out.
Further, this inner edge 303b and this base plate 301 is fixing, for: this inner edge 303b and base plate 301 be connected the junction of side plate 302a and be connected.
In like manner, the second choke groove 304 comprises inner edge 304b and outside 304a, and this inner edge 304b and base plate 301 are fixing, and this outside 304a stretches out.
Further, this inner edge 304b and this base plate 301 is fixing, for: this inner edge 304b and base plate 301 be connected the junction of side plate 302b and be connected.
The reflecting plate embodiment two of antenna for base station:
Referring to Fig. 3, this figure is reflecting plate the second embodiment schematic diagram based on antenna for base station of the present invention.
Present embodiment also can directly connect between inner edge and the outside certainly to be connected to the example explanation by connecting plate between inner edge and the outside.
Wherein, the inner edge 303b of the first choke groove 303 is connected 305 connections of the first connecting plate among the reflecting plate embodiment two with outside 303a; The inner edge 304b of the second choke groove 304 is connected the second connecting plate 306 and connects with outside 304a.
Further, this inner edge 303b and outside 303a can be parallel to each other, and this inner edge 304b and outside 304a can be parallel to each other.
Further, this first connecting plate 305 can be perpendicular to inner edge 303b and outside 303a; This second connecting plate 306 can be perpendicular to inner edge 304b and outside 304a.
Wherein, the first side plate 302a is mutually vertical with base plate 301 with the second side plate 302b.
In order to narrate conveniently, the width that makes base plate 301 is a, and the height of two side plates is b, and the distance of inner edge and outside is w, and the outside highly is h.
Need to prove that the span apart from w of inner edge and outside is 0.1 to 0.3 times of antenna frequencies range of wavelength.The span of the height b of two side plates is 0.1 to 0.3 times of antenna frequencies range of wavelength.
The below introduces the span of parameters in the embodiment of the invention reflecting plate.
The scope of the height b of side plate (i.e. the first side plate 302a, the second side plate 302b) is 0.1 to 0.3 times of antenna frequencies range of wavelength.
The scope of the width a of base plate 301 is 0.5 to 1 times of antenna frequencies range of wavelength.
The inner edge height of choke groove (i.e. the first choke groove 303, the second choke groove 304) and the difference (being the difference of inner edge 303b and outside 303a, the difference of inner edge 304b and outside 304a) of outside height are less than or equal to 0.3 times of the antenna frequencies range of wavelength.
The inner edge height of choke groove (being inner edge 303b, inner edge 304b) is 0.1 to 0.3 times of the antenna frequencies range of wavelength.
The outside height of choke groove (i.e. outside 303a, outside 304a) is 0.1 to 0.3 times of antenna frequencies range of wavelength.
Above parameter is value in described scope according to actual needs.
Preferably, the span of a is 0.95 to 1 times of antenna frequencies range of wavelength; The span of b is 0.15 to 0.25 times of antenna frequencies range of wavelength; The span of w is 0.1 to 0.2 times of antenna frequencies range of wavelength; The span of h is 0.15 to 0.25 times of antenna frequencies range of wavelength.
Need to prove that base plate 301, side plate (the first side plate 302a, the second side plate 302b) and choke groove (the first choke groove 303, the second choke groove 304) can be one-body molded or by riveted joint, welding and hinged moulding.The embodiment of the invention is not limited to this.
The reflecting plate embodiment three of antenna for base station:
Referring to Fig. 4, this figure is reflecting plate the 3rd embodiment schematic diagram based on antenna for base station of the present invention.
The first side plate 302a and base plate 301 angulation m are obtuse angles in the present embodiment, and in like manner, the second side plate 302b and base plate 301 angulation n are obtuse angles.Wherein the value of m and n is consistent, and like this, can guarantee that the first side plate 302a and the second side plate 302b are fixed on 301 liang of edges of base plate symmetrically.
Wherein, the scope of obtuse angle m and n is: be less than or equal to 150 degree.For example can be 120 degree, 135 degree or 150 degree.
The inside avris bending of the outside 304a of two choke grooves and 303a (namely outside 303a is to inner edge 303b bending, outside 304a to inner edge 304b bending), the length of bending is less than or equal to 1/2 of outside total length.Be flap 303c and 304c such as the part that bends among Fig. 4.
The reflecting plate embodiment four of antenna for base station:
Referring to Fig. 5, this figure is reflecting plate the 4th embodiment schematic diagram based on antenna for base station of the present invention.
Need to prove that the first choke groove 303 and the second choke groove 304 are symmetrical mutually, can improve like this front and back ratio of antenna for base station.
The value of i and j can be selected in above-mentioned scope as required.
The antenna for base station reflecting plate that above-described embodiment provides can be selected design parameter according to actual needs in above-mentioned scope, do not affect the performance of improving antenna front and back ratio.The said reflection plate symmetrical configuration is simple, is easy to assembling, installation and maintenance.
The antenna for base station reflecting plate that above-described embodiment provides can effectively reduce the radiated wave that reflexes to the antenna for base station rear.The side plate edge diffraction that radiated wave will pass through reflecting plate is to the antenna for base station rear, and side plate is decayed diffracted wave like this.In addition, the choke groove on reflecting plate both sides has increased the path that radiated wave is walked, and radiated wave has been carried out secondary extinction.So overall diffraction reduces to the radiated wave energy at antenna rear, thereby has increased the front and back ratio of antenna for base station.
In a word, for the reflecting plate of above-described embodiment antenna for base station, the side plate symmetry is fixed on two edges of base plate, and side plate is positioned at the top on this plane, base plate place; The choke groove symmetry is fixed on two edges of base plate, and choke groove is positioned at the below on this plane, base plate place, the reflecting plate of this structure reflecting plate size of antenna for base station in the prior art is less, thereby reduces the waste of material and reduced the space that takies.
Wherein, in above-described embodiment: inner edge 303b and base plate 301 be connected the junction of side plate 302a and be connected; This inner edge 304b and base plate 301 be connected the junction of side plate 302b and be connected.Be understandable that, inner edge 303b can be not yet with base plate 301 be connected the junction of side plate 302a and be connected, inner edge 304b can be not yet with base plate 301 be connected the junction of side plate 302b and be connected, be inner edge 303b and inner edge 304b as long as be fixed on symmetrically two edges of base plate 301, as shown in Figure 6.For the embodiment of antenna for base station shown in Figure 6, inner edge 303b and inner edge 304b also are interpreted as being fixed on symmetrically two edges of base plate 301.
Need to prove, two edges of base plate 301 herein can be inboard, junction or the outside of base plate 301 and two side plates 302, and wherein the inner edge of the choke groove positional distance base plate that is fixed on base plate and the position that is connected of side plate can be 0.25 times of antenna frequencies range of wavelength.That is, be the inboard that position that the inner edge 303b of choke groove is fixed on base plate 301 is positioned at base plate 301 and side plate 302a junction as shown in Figure 6.Be understandable that the position that the inner edge 303b of choke groove is fixed on base plate 301 also can be positioned at the outside of base plate 301 and side plate 302a junction.The embodiment of the invention is not limited to this.
Further, the reflecting plate of antenna for base station can be the reflecting plate of the antenna for base station of orientation in above-described embodiment.
Need to prove that the scope of the baseplate width a of the reflecting plate of the antenna for base station of mentioning in above-described embodiment is 0.5 to 1 times of antenna frequencies range of wavelength; The span of the height b of side plate is 0.1 to 0.3 times of antenna frequencies range of wavelength; The inner edge height of choke groove (i.e. the first choke groove 303, the second choke groove 304) and the difference (being the difference of inner edge 303b and outside 303a, the difference of inner edge 304b and outside 304a) of outside height are less than or equal to 0.3 times of the antenna frequencies range of wavelength; The inner edge height of choke groove (being inner edge 303b, inner edge 304b) is 0.1 to 0.3 times of the antenna frequencies range of wavelength; The outside height of choke groove (i.e. outside 303a, outside 304a) is 0.1 to 0.3 times of antenna frequencies range of wavelength.Can be suitable for the embodiment of above-mentioned antenna for base station.
The embodiment of the invention also provides a kind of antenna for base station.
Antenna for base station embodiment one:
Referring to Fig. 7, this figure is the first embodiment schematic diagram based on antenna for base station of the present invention.
The antenna for base station of the embodiment of the invention comprises the described reflecting plate of above-described embodiment, also comprise radiating element 701, radiating element 701 is positioned at the centre of base plate 301, be used for radiated electromagnetic wave, wherein, this reflecting plate comprises base plate 301, two side plates (i.e. the first side plate 302a and the second side plate 302b) and two choke grooves (i.e. the first choke groove 303 and the second choke groove 304).
Wherein, two side plates, i.e. the first side plate 302a and the second side plate 302b are fixed on two edges of base plate 301 symmetrically, and two side plates all are positioned at the top on plane, base plate 301 place.
Two choke grooves, namely the first choke groove 303 and the second choke groove 304 are fixed on 301 liang of edges of base plate symmetrically, and these two choke grooves all are positioned at the below on plane, base plate 301 place.
Can find out that the side plate symmetry of reflecting plate is fixed on two edges of base plate in the embodiment of the invention antenna for base station, and side plate is positioned at the top on this plane, base plate place; The choke groove symmetry is fixed on two edges of base plate, and choke groove is positioned at the below on this plane, base plate place, the reflecting plate of this structure reflecting plate size of antenna for base station in the prior art is less, thereby reduces the waste of material and reduced the space that takies.
Wherein, this base plate 301 and two side plates (i.e. the first side plate 302a and the second side plate 302b) form reflector element, and described reflector element can be used for the orienting reflex radiated wave; Choke groove (i.e. the first choke groove 303 and the second choke groove 304) is used for decay diffraction to the radiated wave at antenna rear.
As seen from the above, the reflector element reflected radiation ripple of the reflecting plate of antenna for base station, when reflected wave is close with the primary radiation wave amplitude, during single spin-echo, the resultant magnetic field then reduces, thereby reduces the backward radiation of primary radiation ripple, and then improves the front and back ratio of antenna for base station.Because to the antenna for base station rear, choke groove has increased the path that electromagnetic wave signal is walked to reflecting plate the place ahead electromagnetic wave signal that radiating element radiates by choke groove diffraction.Therefore two choke groove effective attenuations the electromagnetic wave signal of diffraction to the antenna for base station rear, can reach the effect of improving antenna for base station front and back ratio.
Wherein, the first choke groove 303 comprises inner edge 303b and outside 303a, and this inner edge 303b and this base plate 301 are fixing, and this outside 303a stretches out.
Further, this inner edge 303b and this base plate 301 is fixing, for: this inner edge 303b and base plate 301 be connected the junction of side plate 302a and be connected.
In like manner, the second choke groove 304 comprises inner edge 304b and outside 304a, and this inner edge 304b and base plate 301 are fixing, and this outside 304a stretches out.
Further, this inner edge 304b and this base plate 301 is fixing, for: this inner edge 304b and base plate 301 be connected the junction of side plate 302b and be connected.
Antenna for base station embodiment two:
Referring to Fig. 8, this figure is the second embodiment schematic diagram based on antenna for base station of the present invention.
This antenna for base station also comprises radome 801; Radome 801 surrounds radiating element 701 and reflecting plate.
Be understandable that the reflecting plate in above-described embodiment antenna for base station can be consistent with the reflecting plate example structure of antenna for base station, at this, no longer repeats.
Because the reflecting plate size that the embodiment of the invention provides is little, the radome that therefore needs is also less, thereby saves material.Radome is surrounded antenna for base station, prevents that radiating element and reflecting plate from being corroded.
Wherein, this antenna for base station can be directional base station antenna.
The above only is several embodiments of the present invention, and those skilled in the art can carry out various changes or modification to the present invention and do not break away from the spirit and scope of the present invention according to application documents are disclosed.
Claims (16)
1. the reflecting plate of an antenna for base station is characterized in that, comprising: base plate, two side plates and two choke grooves;
Described two side plates are fixed on described base plate two edges symmetrically, and described two side plates all are positioned at the top on plane, described base plate place; This base plate and two side plates form reflector element; Described reflector element is used for the orienting reflex radiated wave;
Described two choke grooves are fixed on described base plate two edges symmetrically, and described two choke grooves all are positioned at the below on plane, described base plate place; Choke groove is used for decay diffraction to the radiated wave at antenna rear.
2. reflecting plate according to claim 1 is characterized in that, described choke groove comprises inner edge and outside, described inner edge be connected the outside and connect, wherein, described inner edge and described base plate are fixed, described outside stretches out.
3. reflecting plate according to claim 1 is characterized in that, described choke groove comprises inner edge, outside and connecting plate, and wherein, described inner edge and described base plate are fixed, and described inner edge is connected by connecting plate with described outside.
4. according to claim 2 or 3 described reflecting plates, it is characterized in that described inner edge and described base plate are fixed, for: described inner edge and described base plate be connected the junction of side plate and be connected.
5. according to claim 2 or 3 described reflecting plates, it is characterized in that the distance that described inner edge is fixed on the position of described base plate and described base plate and described side plate link position is 0.25 times of antenna frequencies range of wavelength.
6. reflecting plate according to claim 1 is characterized in that, the altitude range of described side plate is 0.1 to 0.3 times of antenna frequencies range of wavelength.
7. reflecting plate according to claim 1 is characterized in that, the width range of described base plate is 0.5 to 1 times of antenna frequencies range of wavelength.
8. according to claim 2 or 3 described reflecting plates, it is characterized in that the inner edge height of described choke groove and the difference of outside height are less than or equal to 0.3 times of antenna frequencies range of wavelength.
9. according to claim 2 or 3 described reflecting plates, it is characterized in that the inner edge height of described choke groove is 0.1 to 0.3 times of antenna frequencies range of wavelength.
10. according to claim 2 or 3 described reflecting plates, it is characterized in that the outside of described choke groove highly is 0.1 to 0.3 times of antenna frequencies range of wavelength.
11. according to claim 2 or 3 described reflecting plates, it is characterized in that, the inside avris bending in described outside, the length of bending is less than or equal to 1/2 of outer edge lengths.
12. according to claim 2 or 3 described reflecting plates, it is characterized in that described base plate and described inner edge angulation scope are 0 to 270 degree.
13. according to claim 2 or 3 described reflecting plates, it is characterized in that described inner edge and described outside angulation scope are 0 to 90 degree.
14. reflecting plate according to claim 1 is characterized in that, described base plate and side plate angulation scope are 90 to 150 degree.
15. an antenna for base station is characterized in that, described antenna for base station comprises each described reflecting plate of claim 1-14, also comprises radiating element;
Described radiating element is positioned in the middle of the base plate of described reflecting plate, for generation of radiated wave.
16. antenna for base station according to claim 15 is characterized in that, described antenna for base station also comprises radome, and described radome surrounds described radiating element and described reflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910126352 CN101826658B (en) | 2009-03-03 | 2009-03-03 | Reflecting board of base station antenna and base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910126352 CN101826658B (en) | 2009-03-03 | 2009-03-03 | Reflecting board of base station antenna and base station antenna |
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| Publication Number | Publication Date |
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| CN101826658A CN101826658A (en) | 2010-09-08 |
| CN101826658B true CN101826658B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910126352 Active CN101826658B (en) | 2009-03-03 | 2009-03-03 | Reflecting board of base station antenna and base station antenna |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102986087A (en) * | 2011-07-19 | 2013-03-20 | 华为技术有限公司 | Antenna and antenna array |
| CN102694237B (en) * | 2012-05-21 | 2015-08-19 | 华为技术有限公司 | A kind of dual polarized antenna unit and antenna for base station |
| KR20140069968A (en) * | 2012-11-30 | 2014-06-10 | 주식회사 케이엠더블유 | Antenna of mobile communication station |
| CN103066396A (en) * | 2012-12-18 | 2013-04-24 | 张家港保税区国信通信有限公司 | Dual polarization air micro-strip radiating element provided with abnormal reflecting plate |
| CN105633594B (en) * | 2016-03-11 | 2019-09-17 | 京信通信技术(广州)有限公司 | Antenna-reflected plate and antenna |
| CN105846076B (en) * | 2016-05-12 | 2019-11-15 | 京信通信技术(广州)有限公司 | Antenna |
| CN106058475B (en) * | 2016-05-24 | 2019-03-19 | 中国电子科技集团公司第三十八研究所 | A kind of Waveguide-microbelt common reflector |
| CN107994335B (en) * | 2017-12-07 | 2023-11-24 | 京信通信技术(广州)有限公司 | Antenna device |
| CN108321511B (en) * | 2018-03-27 | 2024-02-23 | 京信通信技术(广州)有限公司 | Communication base station and base station antenna thereof |
| CN113764898A (en) * | 2020-06-01 | 2021-12-07 | 华为技术有限公司 | Reflecting device for base station antenna and base station antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2805113Y (en) * | 2005-06-13 | 2006-08-09 | 京信通信技术(广州)有限公司 | High isolation, plate-shaped, directional and intelligent antenna array |
| CN200953381Y (en) * | 2006-06-21 | 2007-09-26 | 华为技术有限公司 | Base station antenna |
| CN201084828Y (en) * | 2007-09-30 | 2008-07-09 | 京信通信系统（中国）有限公司 | Positioning base station antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6839038B2 (en) * | 2002-06-17 | 2005-01-04 | Lockheed Martin Corporation | Dual-band directional/omnidirectional antenna |
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- 2009-03-03 CN CN 200910126352 patent/CN101826658B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2805113Y (en) * | 2005-06-13 | 2006-08-09 | 京信通信技术(广州)有限公司 | High isolation, plate-shaped, directional and intelligent antenna array |
| CN200953381Y (en) * | 2006-06-21 | 2007-09-26 | 华为技术有限公司 | Base station antenna |
| CN201084828Y (en) * | 2007-09-30 | 2008-07-09 | 京信通信系统（中国）有限公司 | Positioning base station antenna |
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| CN101826658A (en) | 2010-09-08 |
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