CN2783545Y - Sector array intelligent antenna - Google Patents

Sector array intelligent antenna Download PDF

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Publication number
CN2783545Y
CN2783545Y CN 200520078283 CN200520078283U CN2783545Y CN 2783545 Y CN2783545 Y CN 2783545Y CN 200520078283 CN200520078283 CN 200520078283 CN 200520078283 U CN200520078283 U CN 200520078283U CN 2783545 Y CN2783545 Y CN 2783545Y
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CN
China
Prior art keywords
array
antenna
sector
smart antenna
phase place
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 200520078283
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Chinese (zh)
Inventor
卜安涛
刘�英
张楠
苏学伟
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XI'AN HAITIAN ANTENNA SCI-TECH Co Ltd
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XI'AN HAITIAN ANTENNA SCI-TECH Co Ltd
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Priority to CN 200520078283 priority Critical patent/CN2783545Y/en
Application granted granted Critical
Publication of CN2783545Y publication Critical patent/CN2783545Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the technical field of an antenna, which discloses an intelligent antenna with sector arrays in order to overcome the limitation of the conventional communication antenna with a fixing beam and to satisfy a special direction figure required by a time-division synchronous code-division multiple access (TD-SCDMA) system in the third-generation mobile communication (3G). The antenna is composed of a printing vibrator array, a calibrating network and a bottom plate, wherein the printing vibrator array and the calibrating network are fixed on the bottom plate, and are connected to form the whole body of the antenna. The utility model satisfies the requirements of the beam width and the directional diagram of the TD-SCDMA system within the range of frequency bands from 1880 to 1920MHz and from 2010 to 2025MHz by using the proportional relation of definite distance between the adjacent columns of designed antenna arrays and the exciting signal phase of each array of the antenna. The utility model has the advantages of favorable mechanical and electric property easy production and low cost.

Description

The sector array smart antenna
Technical field
The utility model relates to antenna technical field, and specifically a kind of sector array smart antenna is mainly used in TD SDMA (TD-SCDMA) system of 3G (Third Generation) Moblie (3G).
Background technology
In current mobile communication system, printed dipole antenna has obtained widely using, but antenna in the past is single printing vibrator, and promptly antenna element is used for forming the directional diagram of fixed beam.This directional diagram can satisfy mobile communication system in the past, such as the conventional demand of second generation mobile communication system.But for 3G (Third Generation) Moblie, this fixed beam just can not satisfy the demand of system.Owing to adopted series of new techniques such as smart antenna, software radio, joint-detection in the TD-SCDMA system, institute is so that the transmitting power reduction of this system, cost decreases.As the antenna of TD-SCDMA system terminal, can not adopt original existing antenna for base station, must design new array antenna, to satisfy the needed mode of operation of system, the needed performance of realization system.
The utility model content
The purpose of this utility model is in order to overcome the limitation of conventional fixed beam communication antenna, provides a kind of and can form the sector array smart antenna that the needed particular orientation figure of TD-SCDMA system, cost in the 3G (Third Generation) Moblie (3G) is lower, have the good electrical performance.
The technical solution of the utility model is a kind of sector array smart antenna of design, comprise printing vibrator array, calibration network and base plate, printing vibrator array and calibration network are fixed on the base plate, and with coaxial line the printing vibrator array are connected with calibration network and constitute integrated antenna.In order to satisfy the needs of present 3G (Third Generation) Moblie, realize the directional diagram that needed mode of operation of TD-SCDMA system and broadcast mode need, above-mentioned printing vibrator array, no matter be to make 8 * N, still (wherein 8 and 4 is numbers of aerial array to the sector array smart antenna of 4 * N, N is the number of radiating element in every row), the distance between the adjacent column is 0.4~0.6 centre frequency wavelength.
The phase place of each array stimulating signal of antenna is in the different frequency range scope, and array and radiating element to different numbers will satisfy the demand that certain proportionate relationship realizes beamwidth and directional diagram.The utility model is in 1880~1920MHZ of TD-SCDMA system works band limits, for the sector array smart antenna of 8 * N, the proportionate relationship of pumping signal phase place is 1 between each array: (2.5~3): (4.5~5): (5~5.5): (5~5.5): (4.5~5): (2.5~3): 1; In 2010~2025MHz of TD-SCDMA system works band limits, for the sector array smart antenna of 8 * N, the proportionate relationship of pumping signal phase place is 1 between each array: (2.5~3): (5.5~6): (6~6.5): (6~6.5): (5.5~6): (2.5~3): 1; In 1880~1920MHz and 2010~2025MHz band limits, for the sector array smart antenna of 4 * N, the proportionate relationship of pumping signal phase place is (4.5~5) between each array: 1: (1~1.5): (4.5~5).
The utlity model has machinery and electric property preferably, produce easily, cost is lower.Utilize technical conceive of the present utility model, the smart antenna that described those skilled in the art can make different arrays, different radiating element number, different beams width at an easy rate comes.Design by distance between the aerial array and pumping signal phase place, the system that can realize is needed two kinds of mode of operations in the scope of frequency range 1880~1920MHz and 2010~2025MHz, both can realize that broad beam guaranteed that preferably signal covers in the sector, can realize that again the tracking beam array forms weights in real time and makes main beam follow the tracks of desired user, thereby raising signal to noise ratio, the communication quality of improvement system has satisfied the needs of TD SDMA (TD-SCDMA) system of 3G (Third Generation) Moblie (3G).
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the structural representation of the aerial array of printing vibrator composition
Fig. 3 is 120 degree sector array smart antenna broadcast beam H face directional diagrams
Fig. 4 is 120 degree sector array smart antenna broadcast beam E face directional diagrams
Fig. 5 is 120 degree sector array intelligent antenna business beam H face 0 degree and 25 degree directional diagrams
Embodiment
Followingly specify structure of the present utility model and implementation method with reference to accompanying drawing:
With reference to Fig. 1, the utility model is by aerial array 13,14,15,16,17,18,19,20, and calibration network 22 and base plate 21 are formed.Parallel and be vertically mounted on the base plate 21 between each row of aerial array, calibration network 22 also is installed on the base plate 21, the port one of array, 2,3,4,5,6,7,8 with 1 ', 2 ', 3 ', 4 ', 5 ', 6 ', 7 ', 8 ' mouthful of calibration network respectively the end cable head 9 by coaxial line 12 be connected.The radiating element of each array is connected with the cable block 10 of coaxial line 12 respectively, the other end of coaxial line 12 is equipped with cable plug 11 and is connected (only marked 9,10,11,12 the position that is connected with array 13 among the figure, the position of other each array correspondences is identical with above-mentioned mark method) with cable block 10.Calibration network 22 is when being used for system works each radio-frequency channel amplitude-phase to be carried out real time calibration, and the signal that transfers to antenna port with assurance through each radio-frequency channel is the desired signal of base band algorithm.The number of radiating element determines that according to the wave beam of antenna and the requirement of gain what Fig. 1 provided is the structural representation of 8 arrays in antenna array columns and each array.
With reference to Fig. 2, the printed dipole antenna structural representation of the utility model 8 arrays that drawn, each array 13,14,15,16,17,18,19,20 of antenna is formed by a plurality of radiating elements, is made up of radiating element 23 and 24 as array 13.About the design and installation of a plurality of radiating elements is in the drawings on the basis of each array radiating element, extend.Aerial array is parallel and be vertically mounted on the base plate 21, and according to the requirement of beamwidth, gain, the array number is generally got 4~8, and between the adjacent column is 0.4~0.6 centre frequency wavelength apart from d.The number of radiating element is determined according to the requirement of gain in the array, generally get 2~8, each radiating element encourages by microstrip line, the phase place of each array stimulating signal will satisfy certain proportionate relationship and guarantee to realize beamwidth in different band limits, the utility model is in 1880~1920MHz band limits, (8 is the columns of array for 8 * N, N is the number of radiating element in every row) the sector array smart antenna, the phase place proportionate relationship of pumping signal is 1 between each array: (2.5~3): (4.5~5): (5~5.5): (5~5.5): (4.5~5): (2.5~3): 1; In 2010~2025MHz band limits, above-mentioned sector array smart antenna, the proportionate relationship of pumping signal phase place is 1 between each array: (2.5~3): (5.5~6): (6~6.5): (6~6.5): (5.5~6): (2.5~3): 1; For the sector array smart antenna of 4 * N (4 is the columns of array, and N is the number of radiating element in every row), the proportionate relationship of each array stimulating signal phase is (4.5~5): 1: (1~1.5): (4.5~5).Developed various embodiments of the present utility model at present, such as, beamwidth to concrete 8 * 8 is the sector array smart antennas of 120 degree, in 1880~1920MHz band limits, the phase place proportionate relationship of pumping signal is 1: 2.7: 4.7 between each array: 5.1: 5.1: 4.7: 2.7: 1; In 2010~2025MHz band limits, the phase place proportionate relationship of pumping signal is 1: 2.8: 5.7 between each array: 6: 6: 5.7: 2.8: 1; And for example, the beamwidth to concrete 4 * 8 is the sector array smart antennas of 90 degree, and the phase place proportionate relationship of pumping signal is 4.6: 1: 1.2 between each array in above-mentioned two band limits: 4.7.
With reference to Fig. 3, it is that the utility model 8 * 8, beamwidth are the sector array smart antenna broadcast beam H face pattern characteristics of 120 degree, and the shake of the lobe of broadcast beam H face directional diagram is very little as can be seen, has so just guaranteed the sector is covered preferably.
With reference to Fig. 4 and Fig. 5, Fig. 4 is 8 * 8, beamwidth is the sector array smart antenna broadcast beam E face directional diagrams of 120 degree, sector array intelligent antenna business beam H faces 0 degree that Fig. 5 is 8 * 8, beamwidth is 120 degree and 25 degree directional diagrams, business beam is realized beam scanning.

Claims (1)

1, a kind of sector array smart antenna, comprise printing vibrator array (13), (14), (15), (16), (17), (18), (19), (20), calibration network (22) and base plate (21), printing vibrator array and calibration network are fixed on the base plate, and printing vibrator array and calibration network are connected and composed the overall of sector array smart antenna with coaxial line (12), it is characterized in that the distance between the aerial array adjacent column is a 0.4-0.6 centre frequency wavelength, the phase place of each array stimulating signal of antenna is at different band limits, array and radiating element to different numbers will satisfy following proportionate relationship respectively:
In 1880~1920MHz band limits, for the sector array smart antenna of 8 * N, the proportionate relationship of pumping signal phase place is 1 between each array: (2.5~3): (4.5~5): (5~5.5): (5~5.5): (4.5~5): (2.5~3): 1;
In 2010~2025MHz band limits, for the sector array smart antenna of 8 * N, the proportionate relationship of pumping signal phase place is 1 between each array: (2.5~3): (5.5~6): (6~6.5): (6~6.5): (5.5~6): (2.5~3): 1;
In 1880~1920MHz and 2010~2025MHz band limits, for the sector array smart antenna of 4 * N, the proportionate relationship of pumping signal phase place is (4.5~5) between each array: 1: (1~1.5): (4.5~5).
CN 200520078283 2005-01-26 2005-01-26 Sector array intelligent antenna Expired - Fee Related CN2783545Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520078283 CN2783545Y (en) 2005-01-26 2005-01-26 Sector array intelligent antenna

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Application Number Priority Date Filing Date Title
CN 200520078283 CN2783545Y (en) 2005-01-26 2005-01-26 Sector array intelligent antenna

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CN2783545Y true CN2783545Y (en) 2006-05-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101005161B (en) * 2007-01-09 2011-01-12 广东盛路通信科技股份有限公司 Super thin intelligent antenna for time division system
CN1921224B (en) * 2006-09-12 2011-12-07 京信通信技术(广州)有限公司 Field calibrating apparatus for directional intelligent aerial array
CN103337713A (en) * 2013-06-04 2013-10-02 上海无线电设备研究所 A different-frequency microstrip array and printing oscillator array common-caliber composite antenna
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1921224B (en) * 2006-09-12 2011-12-07 京信通信技术(广州)有限公司 Field calibrating apparatus for directional intelligent aerial array
CN101005161B (en) * 2007-01-09 2011-01-12 广东盛路通信科技股份有限公司 Super thin intelligent antenna for time division system
CN103337713A (en) * 2013-06-04 2013-10-02 上海无线电设备研究所 A different-frequency microstrip array and printing oscillator array common-caliber composite antenna
CN103337713B (en) * 2013-06-04 2015-10-21 上海无线电设备研究所 A kind of alien frequencies microstrip array and printing vibrator array common-caliber antennas configuration
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

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060524

Termination date: 20100228

C17 Cessation of patent right