CN2783549Y - 3G 45 degree single polarized plate shape antenna for base station - Google Patents

3G 45 degree single polarized plate shape antenna for base station Download PDF

Info

Publication number
CN2783549Y
CN2783549Y CN 200520081048 CN200520081048U CN2783549Y CN 2783549 Y CN2783549 Y CN 2783549Y CN 200520081048 CN200520081048 CN 200520081048 CN 200520081048 U CN200520081048 U CN 200520081048U CN 2783549 Y CN2783549 Y CN 2783549Y
Authority
CN
China
Prior art keywords
base plate
antenna
paster
radio frequency
probe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200520081048
Other languages
Chinese (zh)
Inventor
王卓鹏
肖长虹
张振宇
李渠塘
付洪全
张文
史彦军
吴晓静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GAYING SCI-TECH Co Ltd YANTAI
Original Assignee
GAYING SCI-TECH Co Ltd YANTAI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GAYING SCI-TECH Co Ltd YANTAI filed Critical GAYING SCI-TECH Co Ltd YANTAI
Priority to CN 200520081048 priority Critical patent/CN2783549Y/en
Application granted granted Critical
Publication of CN2783549Y publication Critical patent/CN2783549Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model discloses a 3G 45 DEG single polarized plate-shaped antenna for base stations, the circumference of a bottom plate (13) is provided with a bottom plate skirt; the bottom plate (13) is connected with at least a group of an upper and a lower basic radiating units; each basic radiating unit comprises a small patch (1) and a big patch (4), the small patches (1) and the big patches (4) are all oblong patches, and the edges of the small patches and the big patches are mutually parallel and are parallel to the edges of the bottom plate (13); the bottom plate (13) is connected with L-shaped probes (5), the phase between every two L-shaped probes (5) is same, and the L-shaped probes (5) are connected with the bottom plate (13); the bottom of the bottom plate (13) is provided with a power divider, an input end of the power divider is connected with a communication machine, and each output end of the power divider is connected with each L-shaped probe (5). The utility model has the advantages of high quality, strong anti-interference ability, broad frequency band, high gain, simple structure, convenient operation and excellent electrical property.

Description

The 3G45 ° of tabular base station of single polarization antenna
(1) technical field: the utility model relates to a kind of base station antenna, relates in particular to the tabular base station of a kind of 3G45 ° single polarization antenna.
(2) background technology: at present, microcellular mobile communication system all belongs to 2G, i.e. second generation mobile communication system, and the GSM working frequency range is 870~960/1710~1880MHz, the CDMA working frequency range is 824~896/1880~1990MHz.3-G (Generation Three mobile communication system) is 3G, and three layers of meaning are arranged, and realization, working frequency range were that 2000MHz frequency range and speed are 2000kb/s in promptly 2000.Along with developing rapidly of mobile communication, power system capacity constantly expands, make base station number more and more, the diversity that service area occurs, scrambling, cellular cell is more and more little, though re-using of frequency improved, customer volume has increased, but the thing followed is the interference of minizone becomes big, and transmission quality descends, even some service area is positioned at existed building group's middle location, need multiple shaped-beam antenna, carry out the inhibition of secondary lobe and episternites simultaneously, according to the relation of transmitting station and service area, under the constant situation of transmitter power, utilize the directivity of antenna to improve the Effective Radiated Power of service area, be fan-shaped service area directional antenna, mostly be antennas such as slot antenna, aperture-coupled antenna at present, mostly be four sectors and six sectors, be that half-power angle is the sector base stations antenna of 90 ° and 60 °, do not adapt to the needs of communication system volume expansion, do not have strict beamwidth control and high front and back ratio, use inconvenience, electrical property is not good.
(3) summary of the invention: the purpose of this utility model is to overcome the deficiency of above-mentioned prior art and a kind of high-quality is provided, and antijamming capability is strong, broadband, high-gain, the 3G45 ° of tabular base station of single polarization antenna simple in structure, easy to use, as to have excellent electrical properties.
The purpose of this utility model can reach by following measure: the 3G45 ° of tabular base station of single polarization antenna, it comprises base plate 13, be provided with the base plate apron around the base plate 13, it is characterized in that connecting on the base plate 13 at least one group of 2 basic radiating elements up and down, each basic radiating element comprises little paster 1, big paster 4, they are supported by little paster pillar 2 and big paster pillar 6 respectively, little paster 1, big paster 4 is the rectangle paster, the limit of little paster 1 and big paster 4 is parallel to each other, and it is all parallel with the limit of base plate 13, the below of big paster 4 all connects a L shaped probe 5 on the base plate 13, phase place between the L shaped probe 5 is identical, L shaped probe 5 links to each other with base plate 13 by probe pillar 7, the bottom of base plate 13 is provided with power splitter, and the input of power splitter links to each other with communication equipment by radio frequency cable 17, and each output of power splitter links to each other with each L shaped probe 5 by radio frequency cable 17 respectively.
In order further to realize the purpose of this utility model, laterally connect two groups of totally 4 basic radiating elements on the described base plate 13 side by side, the bottom of base plate 13 is provided with one fen four power splitter 11, the input of one minute four power splitter 11 links to each other with communication equipment by radio frequency cable 17, and 4 outputs of one minute four power splitter 11 link to each other with 4 L shaped probes 5 by 4 radio frequency cables 17 respectively.
In order further to realize the purpose of this utility model, laterally connect four groups of totally 8 basic radiating elements on the described base plate 13 side by side, the bottom of base plate 13 is provided with an one-to-two power splitter 9 and two one fen four power splitters 11, the input of one-to-two power splitter 9 links to each other with communication equipment by radio frequency cable 17, two outputs of one-to-two power splitter 9 link to each other with two inputs of two one fen four power splitters 11 respectively, and 8 outputs of two one fen four power splitters 11 link to each other with 8 L shaped probes 5 by 8 radio frequency cables 17 respectively.
In order further to realize the purpose of this utility model, laterally connect eight groups of totally 16 basic radiating elements on the described base plate 13 side by side, the bottom of base plate 13 is provided with 5 one fen four power splitters 11, the input of one of them one minute four power splitter 11 links to each other with communication equipment by radio frequency cable 17, four outputs of this one minute four power splitter 11 link to each other with other four inputs of four one fen four power splitters 11 respectively, and 16 outputs of four one fen four power splitters 11 link to each other with 16 L shaped probes 5 by 16 radio frequency cables 17 respectively.
In order further to realize the purpose of this utility model, connect antenna cover 15 on the described base plate 13, two ends connect end cap 14.
In order further to realize the purpose of this utility model, described L shaped probe 5 vertical ends link to each other with base plate 13 by probe base 8, probe sleeve pipe 10, and an end of L shaped probe 5 levels links to each other with base plate 13 by probe pillar 7.
For the further the purpose of this utility model that realizes, the width 185-195mm of described base plate 13, the height 25-29mm of base plate apron, the unit interval between the basic radiating element is identical, size L1=125-135mm, L2=82-88mm.
In order further to realize the purpose of this utility model, the length of described little paster 1 is 50-54mm, and wide is 23-27mm, and the length of big paster 4 is 58-62mm, and wide is 31-35mm.
In order further to realize the purpose of this utility model, the surface of described radio frequency cable 17 is the tin coating of 3~5um.
In order further to realize the purpose of this utility model, the top layer of described L shaped probe 5 is a ternary alloy coating.
The utility model can produce following good effect compared with the prior art: the utility model is applicable to 3-G (Generation Three mobile communication system), 3-G (Generation Three mobile communication system) is the wide-band mobile communication system that works in the 2GHz frequency range, and the main feature that it is different from the first generation and second generation mobile communication system can simplified summary be: global zero-clearance roaming; Have the ability of support information speed, particularly support the Internet business up to the multimedia service of 2Mbit/s; Be convenient to transition, evolution; Higher spectrum efficiency, lower electromagnetic radiation, better service quality etc.3-G (Generation Three mobile communication system) has adopted all state-of-the-art technologies of current communication and field of information processing, the use of these new technologies has increased power system capacity greatly, improved transmission quality, reduced power consumption and interference, can in the transmission environment of complexity, provide than bigger power system capacity of second generation mobile communication system and the service quality of Geng Gao.Because present second generation mobile communications network is fully under way, and more sound, thus can not be at short notice that it is discarded, and the utility model has been realized the smooth transition from 2G to 3G, its working frequency range is 2GHz, and it is a kind of novel that the utility model provides, high-quality, broadband, high-gain, the single polarization structure is made simple, easy to use, half-power beam width is 45 ° a fan-shaped beam antenna for base station.The bandwidth of antenna standing wave ratio below 1.4 is 15.9%, be forms such as slot antenna, aperture-coupled antenna can not and.In the front-to-back ratio of some tangs etc. side strongly, because service area is relatively concentrated, do not need to dispose the antenna of broad, so the narrow beam antenna for base station demonstrates its directivity and concentrates in these places, the high advantage that gains, thus be applied.The utility model is the plate antenna that is provided with L type probe, its superior performance, bandwidth, adopt the double applying sheet, can make bandwidth reach 35%, utilize the utility model plate antenna can be easy to realize the dilatation of existing communication system, realize the smooth transition from 2G to 3G.
(4) description of drawings:
Fig. 1 is four groups of the utility model upward view of totally eight basic radiating element antenna for base station;
Fig. 2 is four groups of the utility model vertical view of totally eight basic radiating element antenna for base station;
Fig. 3 is four groups of the utility model front view of totally eight basic radiating element antenna for base station;
Fig. 4 is the enlarged drawing of basic radiating element of the present utility model;
Fig. 5 is six groups of the utility model upward view of totally 12 basic radiating element antenna for base station;
Fig. 6 is eight groups of the utility model upward view of totally 16 basic radiating element antenna for base station.
(5) embodiment: preferred forms of the present utility model is elaborated below in conjunction with accompanying drawing:
The tabular base station of embodiment 1:3G45 ° single polarization antenna (referring to Fig. 1 to Fig. 4); it comprises base plate 13; be provided with the base plate apron around the base plate 13; the width 185mm of base plate 13; the height 25mm of base plate apron; laterally connect four groups of totally 8 basic radiating elements on the base plate 13 side by side; establish 2 basic radiating elements up and down for every group; unit interval between four groups of basic radiating elements is identical; size L1=125mm; L2=82mm; each basic radiating element comprises little paster 1; big paster 4; little paster 1; big paster 4 is the rectangle paster; the limit of little paster 1 and big paster 4 is parallel to each other; and it is all parallel with the limit of base plate 13; they are supported by little paster pillar 2 and big paster pillar 6 respectively; the below of big paster 4 all connects a L shaped probe 5 on the base plate 13; the top layer of L shaped probe 5 is a ternary alloy coating; L shaped probe 5 vertical ends pass through probe base 8; probe sleeve pipe 10 links to each other with base plate 13; one end of L shaped probe 5 levels links to each other with base plate 13 by probe pillar 7; phase place between 8 L shaped probes 5 is identical; the bottom of base plate 13 is provided with an one-to-two power splitter 9 and two one fen four power splitters 11; the input of one-to-two power splitter 9 is by radio frequency cable 17; radio frequency (RF) coaxial connector 16 links to each other with communication equipment; two outputs of one-to-two power splitter 9 link to each other with two inputs of two one fen four power splitters 11 respectively; 8 outputs of two one fen four power splitters 11 link to each other with 8 L shaped probes 5 by 8 radio frequency cables 17 respectively; the surface of above-mentioned radio frequency cable 17 is the tin coating of 3~5um; connect antenna cover 15 on the base plate 13; the two ends of base plate 13 connect end cap 14; entire antenna is got up with radome 15 and end cap 14 covers; form closed system, antenna element and feeding network and whole metal or plastic structural part that protection is inner.Radome is made through the processing and forming of mould by high-quality PVC plastics, has good sealing process and discharge structure.
The tabular base station of embodiment 2:3G45 ° single polarization uses antenna (referring to Fig. 4; Fig. 5); it comprises base plate 13; be provided with the base plate apron around the base plate 13; the width 190mm of base plate 13; the height 27mm of base plate apron; laterally connect six groups of totally 12 basic radiating elements on the base plate 13 side by side; establish 2 basic radiating elements up and down for every group; unit interval between six groups of basic radiating elements is identical; size L1=130mm; L2=85mm; each basic radiating element comprises little paster 1; big paster 4; little paster 1; big paster 4 is the rectangle paster; the limit of little paster 1 and big paster 4 is parallel to each other; and it is all parallel with the limit of base plate 13; they are supported by little paster pillar 2 and big paster pillar 6 respectively; the below of big paster 4 all connects a L shaped probe 5 on the base plate 13; the top layer of L shaped probe 5 is a ternary alloy coating; L shaped probe 5 vertical ends pass through probe base 8; probe sleeve pipe 10 links to each other with base plate 13; one end of L shaped probe 5 levels links to each other with base plate 13 by probe pillar 7; phase place between 12 L shaped probes 5 is identical; the bottom of base plate 13 is provided with an one-to-two power splitter 9 and two one fen six power splitters 12; the input of one-to-two power splitter 9 is by radio frequency cable 17; radio frequency (RF) coaxial connector 16 links to each other with communication equipment; two outputs of one-to-two power splitter 9 link to each other with two inputs of two one fen six power splitters 12 respectively; 12 outputs of two one fen six power splitters 12 link to each other with 12 L shaped probes 5 by 12 radio frequency cables 17 respectively; the surface of above-mentioned radio frequency cable 17 is the tin coating of 3~5um; connect antenna cover 15 on the base plate 13; the two ends of base plate 13 connect end cap 14; entire antenna is got up with radome 15 and end cap 14 covers; form closed system, antenna element and feeding network and whole metal or plastic structural part that protection is inner.Radome is made through the processing and forming of mould by high-quality PVC plastics, has good sealing process and discharge structure.
The tabular base station of embodiment 3:3G45 ° single polarization uses antenna (referring to Fig. 4; Fig. 6); it comprises base plate 13; be provided with the base plate apron around the base plate 13; the width 195mm of base plate 13; the height 29mm of base plate apron; laterally connect eight groups of totally 16 basic radiating elements on the base plate 13 side by side; establish 2 basic radiating elements up and down for every group; unit interval between eight groups of basic radiating elements is identical; size L1=135mm; L2=88mm; each basic radiating element comprises little paster 1; big paster 4; little paster 1; big paster 4 is the rectangle paster; the limit of little paster 1 and big paster 4 is parallel to each other; and it is all parallel with the limit of base plate 13; they are supported by little paster pillar 2 and big paster pillar 6 respectively; the below of big paster 4 all connects a L shaped probe 5 on the base plate 13; the top layer of L shaped probe 5 is a ternary alloy coating; L shaped probe 5 vertical ends pass through probe base 8; probe sleeve pipe 10 links to each other with base plate 13; one end of L shaped probe 5 levels links to each other with base plate 13 by probe pillar 7; phase place between 16 L shaped probes 5 is identical; the bottom of base plate 13 is provided with 5 one fen four power splitters 11; the input of one of them one minute four power splitter 11 is by radio frequency cable 17; radio frequency (RF) coaxial connector 16 links to each other with communication equipment; four outputs of this one minute four power splitter 11 link to each other with other four inputs of four one fen four power splitters 11 respectively; 16 outputs of four one fen four power splitters 11 link to each other with 16 L shaped probes 5 by 16 radio frequency cables 17 respectively; the surface of above-mentioned radio frequency cable 17 is the tin coating of 3~5um; connect antenna cover 15 on the base plate 13; the two ends of base plate 13 connect end cap 14; entire antenna is got up with radome 15 and end cap 14 covers; form closed system, antenna element and feeding network and whole metal or plastic structural part that protection is inner.Radome is made through the processing and forming of mould by high-quality PVC plastics, has good sealing process and discharge structure.
During use, radiofrequency signal enters antenna feeding network through radio frequency (RF) coaxial connector 16, arrive power splitter by radio frequency cable 17 in network, power splitter is with the output of signal constant amplitude homophase, and the process radio frequency cable is to each excitation probe, probe is energized and gives off frequency electromagnetic waves, electromagnetic wave produces surface current on big paster, form induced electric field, is coupled on the little paster again, see through radome then and be radiated free space, form radiation pattern.Metal base plate 13 is electromagnetic reflecting mechanisms, and it is with probe, and the forward direction space is arrived in the reflection of electromagnetic wave that go up, big paster is radiated on it, makes antenna form directed radiation.Arrayed is become two row, make that the half-power beam width of antenna is narrow, the height that adds the width of upper plate 13 and base plate apron has determined 45 ° of the half-power beam widths and the front and back ratio of antenna, the size of unit interval requires to determine according to wave beam forming, constitute the shaped aerial battle array with feeding network, guaranteed the figuration characteristic and the corresponding radiation characteristic of antenna for base station.
Index request for the third order intermodulation that reaches antenna for base station, on electrical structure, mechanical structure and technology, done sufficient consideration, because third order intermodulation is because the heterogeneity of each tie point, and producing high order power signal, the result of high order power signal stack can produce the frequency that is close with operating frequency and cause interference.The feedback dot circuit each tie point on all adopt zinc-plated technology, radio frequency cable 17 surfaces are the tin coating of 3~5um, L shaped in addition probe 5 top layers are ternary alloy coating; Require welding evenly full on the technology of each pad, each earth point requires ground connection fully seamless.Guaranteed abovely just the third order intermodulation of antenna to be reached-index request of the national standard of 107dBm.

Claims (10)

1,45 ° of tabular base stations of single polarization of 3G antenna, it comprises base plate (13), be provided with the base plate apron around the base plate (13), it is characterized in that base plate (13) upward connects at least one group of 2 basic radiating elements up and down, each basic radiating element comprises little paster (1), big paster (4), they are supported by little paster pillar (2) and big paster pillar (6) respectively, little paster (1), big paster (4) is the rectangle paster, the limit of little paster (1) and big paster (4) is parallel to each other, and it is all parallel with the limit of base plate (13), the below that base plate (13) is gone up big paster (4) all connects a L shaped probe (5), phase place between the L shaped probe (5) is identical, L shaped probe (5) links to each other with base plate (13) by probe pillar (7), the bottom of base plate (13) is provided with power splitter, and the input of power splitter links to each other with communication equipment by radio frequency cable (17), and each output of power splitter links to each other with each L shaped probe (5) by radio frequency cable (17) respectively.
2,45 ° of tabular base stations of single polarization of 3G according to claim 1 antenna, it is characterized in that described base plate (13) upward laterally connects two groups of totally 4 basic radiating elements side by side, the bottom of base plate (13) is provided with one fen four power splitter (11), one minute four power splitter (11) input link to each other with communication equipment by radio frequency cable (17), one minute four power splitter (11) 4 outputs pass through 4 radio frequency cables (17) respectively and link to each other with 4 L shaped probes (5).
3,45 ° of tabular base stations of single polarization of 3G according to claim 1 antenna, it is characterized in that described base plate (13) upward laterally connects four groups of totally 8 basic radiating elements side by side, the bottom of base plate (13) is provided with an one-to-two power splitter (9) and two one fen four power splitters (11), the input of one-to-two power splitter (9) links to each other with communication equipment by radio frequency cable (17), two outputs of one-to-two power splitter (9) respectively with two one minute four power splitters (11) two inputs link to each other, two one minute four power splitters (11) 8 outputs link to each other with 8 L shaped probes (5) by 8 radio frequency cables (17) respectively.
4,45 ° of tabular base stations of single polarization of 3G according to claim 1 antenna, it is characterized in that described base plate (13) upward laterally connects eight groups of totally 16 basic radiating elements side by side, the bottom of base plate (13) is provided with 5 one fen four power splitters (11), one of them one minute four power splitter (11) input link to each other with communication equipment by radio frequency cable (17), this one minute four power splitter (11) four outputs respectively with other four one minute four power splitters (11) four inputs link to each other, four one minute four power splitters (11) 16 outputs link to each other with 16 L shaped probes (5) by 16 radio frequency cables (17) respectively.
5, according to claim 1 or 45 ° of tabular base stations of single polarization of 2 or 3 or 4 described 3G antenna, it is characterized in that described base plate (13) upward connects antenna cover (15), two ends connect end cap (14).
6, according to claim 1 or 45 ° of tabular base stations of single polarization of 2 or 3 or 4 described 3G antenna, it is characterized in that the vertical end of described L shaped probe (5) links to each other with base plate (13) by probe base (8), probe sleeve pipe (10), an end of L shaped probe (5) level links to each other with base plate (13) by probe pillar (7).
7, according to claim 1 or 45 ° of tabular base stations of single polarization of 2 or 3 or 4 described 3G antenna, the width 185-195mm that it is characterized in that described base plate (13), the height 25-29mm of base plate apron, unit interval between the basic radiating element is identical, size L1=125-135mm, L2=82-88mm.
8,45 ° of tabular base stations of single polarization of 3G according to claim 1 antenna, the length that it is characterized in that described little paster (1) is 50-54mm, and wide is 23-27mm, and the length of big paster (4) is 58-62mm, and wide is 31-35mm.
9, according to claim 1 or 45 ° of tabular base stations of single polarization of 2 or 3 or 4 described 3G antenna, the surface that it is characterized in that described radio frequency cable (17) is the tin coating of 3~5um.
10, according to claim 1 or 45 ° of tabular base stations of single polarization of 2 or 3 or 4 described 3G antenna, the top layer that it is characterized in that described L shaped probe (5) is a ternary alloy coating.
CN 200520081048 2005-02-01 2005-02-01 3G 45 degree single polarized plate shape antenna for base station Expired - Fee Related CN2783549Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520081048 CN2783549Y (en) 2005-02-01 2005-02-01 3G 45 degree single polarized plate shape antenna for base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520081048 CN2783549Y (en) 2005-02-01 2005-02-01 3G 45 degree single polarized plate shape antenna for base station

Publications (1)

Publication Number Publication Date
CN2783549Y true CN2783549Y (en) 2006-05-24

Family

ID=36768529

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520081048 Expired - Fee Related CN2783549Y (en) 2005-02-01 2005-02-01 3G 45 degree single polarized plate shape antenna for base station

Country Status (1)

Country Link
CN (1) CN2783549Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104051848A (en) * 2014-07-03 2014-09-17 广东健博通科技股份有限公司 Intelligent vertical scanning antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104051848A (en) * 2014-07-03 2014-09-17 广东健博通科技股份有限公司 Intelligent vertical scanning antenna

Similar Documents

Publication Publication Date Title
CN102904022B (en) Symmetrical partially coupled microstrip slot feed patch antenna element
US20130099995A1 (en) Indoor ceiling-mount omnidirectional antenna and a method for manufacturing the same
CN101888017B (en) Shunt-type omnidirectional antenna array of three frequency bands of GSM (Global System for Mobile Communications) 850/DCS (Digital Communication Service)/PCS (Personal Communication Service)
EP0976171B1 (en) A method for improving antenna performance parameters and an antenna arrangement
CN103367932B (en) A kind of two-beam antenna
JP2003174317A (en) Multi-band patch antenna and skeleton slot radiator
CN107331965B (en) Low gain low sidelobe micro base station antenna
CN2783546Y (en) 3G 30 degree dual polarized plate shape antenna for base station
CN112952378B (en) Decoupling structure with polarization conversion characteristic for reducing cross polarization coupling
CN2881992Y (en) Antenna of 3G dipole mobile communication base station
CN2783548Y (en) 3G 45 degree dual polarized plate shape antenna for base station
Arai et al. Cellular and PHS base station antenna systems
CN207217786U (en) A kind of T-shaped coupled monopole antenna for base station
Li et al. Multiple antennas for future 4G/5G smartphone applications
CN2583819Y (en) Double-probe fan-beam antenna for basic station
CN203631723U (en) Single-polarization antenna array element radiation unit, dual-polarization antenna array element radiation unit, broadband antenna and multi-band antenna
CN105048066A (en) Low-profile high-gain fractal miniature base station antenna
US11588249B2 (en) Sidelobe suppression in multi-beam base station antennas
CN2845200Y (en) 3G90 degrees monopolarized planar antenna for base station
CN2783549Y (en) 3G 45 degree single polarized plate shape antenna for base station
CN103474754A (en) Single-polarized and dual-polarized antenna array radiating element and antenna
CN204375976U (en) A kind of low section pectination network array antenna for base station
CN108023163B (en) Vector synthesis base station antenna unit
CN2744003Y (en) Double frequency shared 90 deg. bipolarized shaped-beam aerial for substation
CN2783547Y (en) 3G 30 degree single polarization plate shape antenna for base station

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060524