CN202495572U - Antenna system and device - Google Patents
Antenna system and device Download PDFInfo
- Publication number
- CN202495572U CN202495572U CN 201220135313 CN201220135313U CN202495572U CN 202495572 U CN202495572 U CN 202495572U CN 201220135313 CN201220135313 CN 201220135313 CN 201220135313 U CN201220135313 U CN 201220135313U CN 202495572 U CN202495572 U CN 202495572U
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- Prior art keywords
- antenna
- configuration data
- readable
- writable memory
- write equipment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Embodiments of the utility model provide an antenna system and an antenna device. The antenna system of a base comprises an antenna, at least a readable and writable memory, at least an external read-write device, and at least a remote control unit RCU, wherein the antenna comprises at least one phase shifter which is used for adjusting electrical down-tilting angles of the antenna under the control of the RCU, the readable and writable memory is used for storing configuration data of the antenna, the external read-write device is used for acquiring the configuration data from the readable and writable memory, and the RCU is used for controlling the external read-write device on acquiring the configuration data, loading the configuration data, and controlling the phase shifter on adjusting the electrical down-tilting angles of the antenna according to the configuration data. In the utility model, the external device can conveniently call the configuration data to configure the RCU, thereby realizing adjustment for the electrical down-tilting angles of the antenna.
Description
The application require on February 8th, 2012 submit that Patent Office of the People's Republic of China, application number are 201210027482.0 to, denomination of invention is the priority of the one Chinese patent application of " a kind of antenna system and device ", its full content combines in this application by reference.
Technical field
The utility model relates to the communications field, relates in particular to a kind of antenna system and device.
Background technology
In GSM, electrical tilt antenna has become main flow, and so-called electrical tilt antenna is meant the antenna that uses electronics adjustment tilt angled down, through being positioned at the maintenance system of base station, adjusts the lower decline angle of antenna, optimizes network.
Referring to Fig. 1; It is a base station system sketch map that comprises electrical tilt antenna; Comprise antenna tower, antenna, remote control unit (Remote Control Unit; RCU), Remote Radio Unit (Remote Radio Unit, RRU) and baseband processing unit (Base Band Unit, unit such as BBU).Wherein, RRU links to each other with antenna, is used for receiving, transmitting through antenna; RCU inside generally is provided with motor; Motor through transmission device for example the inner phase shifter of connecting rod and antenna link to each other; Connecting rod and phase shifter all do not mark in Fig. 1, during machine operation, can drive the adjustment that moving of phase shifter realized antenna lower decline angle through transmission device.Be in course of adjustment, because the antenna phasing unit type is different, the distance that transmission device moves is also different, so the configuration data of control transmission device displacement is also different.To the different antennae with different antennae phase shifter, RCU need load different configuration datas, makes the transmission device of RCU move distance accurately; The lower decline angle of correct adjustment antenna, this just need at first identify antenna equipment, and in the base station maintenance system during interpolation antenna equipment; Write down the information of each antenna; And RCU is loaded the proper configuration data, and then when moving, control electrical tilt antenna like clockwork through RCU control phase shifter according to these information.
The method of the configuration data that prior art adopts generally is: in system configuration phase is installed; By installation personnel after installing RCU on the tower; Information such as RCU sequence number, corresponding antenna frequency range are copied; In the base station maintenance system, add RCU equipment then, and give each RCU configuration-related data, operation and its corresponding antenna.The prior art scheme is in operating process; Occur easily the sequence number of RCU is miscopied; Situation such as the sequence number under perhaps copying is not corresponding with the sequence number of RCU, and the RCU sequence number under perhaps copying and the actual aerial information that docks are inconsistent, these situation all can cause the information in the base station maintenance platform incorrect; Make to the arrangement of antennas mistake, can not correctly optimize network.For corrigendum information, installation personnel is gone up the tower operation again again, copies again, causes repeating work, waste of manpower and resource.
Summary of the invention
The utility model embodiment provides a kind of antenna assembly and system, is used to realize that RCU obtains configuration data easily, and then realizes purpose that Downtilt is regulated.
The utility model provides a kind of antenna system on the one hand, comprising: antenna, at least one readable and writable memory, at least one exterior read-write equipment and at least one remote control unit RCU, wherein:
Said antenna comprises at least one phase shifter, and said phase shifter is used under the control of said remote control unit RCU, regulating antenna lower decline angle;
Said readable and writable memory: be used to store said arrangement of antennas data;
Said exterior read-write equipment: be used for obtaining said configuration data from said readable and writable memory;
Said RCU: be used to control said exterior read-write equipment and obtain said configuration data, and load said configuration data, control said phase shifter according to said configuration data and adjust said antenna lower decline angle.
The utility model provides a kind of antenna assembly on the other hand, comprising: antenna and at least one readable and writable memory, wherein:
Said antenna comprises at least one phase shifter, said phase shifter: be used under the control of remote control unit RCU, regulating said antenna lower decline angle;
Said readable and writable memory: with the exterior read-write equipment communication; Be used to store said arrangement of antennas data; And send said configuration data to said exterior read-write equipment, thereby control said phase shifter according to said configuration data and adjust said antenna lower decline angle so that said RCU obtains said configuration data and loads from said exterior read-write equipment.
Among the utility model embodiment; Through being set, readable and writable memory stores the aerial information and the configuration data of respective antenna in antenna; Make exterior read-write equipment conveniently to call configuration data and then RCU is configured, realize the adjusting that antenna lower decline angle is carried out.Reduce the manual work probability of makeing mistakes, reduce installation cost, improve the accuracy of engineering construction, maintain easily.
Description of drawings
Fig. 1 is a kind of antenna system configuration sketch map in the utility model prior art;
A kind of antenna system configuration sketch map that Fig. 2 provides for the utility model embodiment one;
A kind of antenna system configuration sketch map that Fig. 3 provides for the utility model embodiment two;
A kind of multichannel antenna system configuration sketch map that Fig. 4 provides for the utility model embodiment two;
A kind of antenna system configuration sketch map that Fig. 5 provides for the utility model embodiment three;
A kind of multichannel antenna system configuration sketch map that Fig. 6 provides for the utility model embodiment three;
A kind of antenna device arrangement sketch map that Fig. 7 provides for the utility model embodiment four.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, below will do further explain to the utility model through specific embodiment and relevant drawings.
The utility model embodiment one provides a kind of antenna system; As shown in Figure 2; Said antenna system comprises: antenna 201, at least one readable and writable memory 202, at least one exterior read-write equipment 203 and at least one RCU (Remote Control Unit, remote control unit) 204.
Said antenna 201 comprises at least one phase shifter, and phase shifter is used under the control of said RCU, regulating antenna lower decline angle; Readable and writable memory 202 is used to store the arrangement of antennas data, and said configuration data is used for being loaded into RCU makes RCU according to said configuration data control phase shifter adjustment antenna lower decline angle; Exterior read-write equipment 203 is used for obtaining said configuration data from said readable and writable memory; RCU is used to control said exterior read-write equipment and obtains said configuration data, and loads said configuration data, controls said phase shifter according to said configuration data and adjusts said antenna lower decline angle.
Need to prove; When antenna is multichannel antenna; The corresponding different configuration data of different passages possibilities, exterior read-write equipment need identify the configuration data of corresponding certain passage, can distinguish the configuration data of different passages with aerial information; Said readable and writable memory also is used to store the aerial information of corresponding said configuration data; Said exterior read-write equipment obtains said configuration data from said readable and writable memory and is specially, and said exterior read-write equipment reads said aerial information from said readable and writable memory earlier, reads corresponding configuration data according to said aerial information again.Information such as the frequency range that comprises antenna model, antenna that said aerial information is optional, antenna sequence number, antenna channels sign at least a.
To read configuration data specifically can be exterior read-write equipment to exterior read-write equipment from readable and writable memory, reads the configuration data that is used to be loaded into the respective antenna in the RCU, or reads the configuration data that is used to be loaded into the respective antenna in the RCU according to the frequency range of antenna according to the antenna model of aerial information according to aerial information, perhaps reads the configuration data that is used for being loaded into the respective antenna in the RCU, or reads the configuration data that is used to be loaded into the respective antenna in the RCU etc. according to the antenna channels identification information of aerial information according to the sequence number in the aerial information.
Exterior read-write equipment 203 can be an autonomous device, also can be built in tower that antenna is connected in the equipment, as RCU, tower amplifier (Tower Mounted Amplifier, TMA) etc.
Need to prove that for multichannel antenna, the RCU that is used with antenna system in the present embodiment can have a plurality of, each RCU is a passage of respective antenna respectively, and perhaps RCU only has one, and said RCU supports a plurality of passages simultaneously.For multichannel antenna, different passages maybe corresponding same frequency range, also maybe corresponding different frequency range, and aerial informations such as the antenna frequency range that RCU can control as required obtain being used to being loaded into the configuration data of the respective antenna in the RCU etc.
Among the utility model embodiment one, store the configuration data of respective antenna in antenna, make exterior read-write equipment conveniently to call configuration data and then RCU is configured, realize the adjusting that antenna lower decline angle is carried out through readable and writable memory is set.Reduce the manual work probability of makeing mistakes, reduce installation cost, improve the accuracy of engineering construction, maintain easily.
For embodiment one, communicating by letter of data can adopt radio communication also can adopt wire communication between exterior read-write equipment and the readable and writable memory, and embodiment two and embodiment three be corresponding both of these case respectively.
The utility model embodiment two provides a kind of antenna system, and is as shown in Figure 3, comprising: antenna 201, at least one readable and writable memory 202, at least one exterior read-write equipment 203 and at least one RCU204.
Said antenna 201 comprises at least one phase shifter, and phase shifter is used under the control of said RCU, regulating antenna lower decline angle; Readable and writable memory 202 is used to store the arrangement of antennas data, and said configuration data is used for being loaded into RCU makes RCU according to said configuration data control phase shifter adjustment antenna lower decline angle; Exterior read-write equipment 203 is used for obtaining said configuration data from said readable and writable memory; RCU is used to control said exterior read-write equipment and obtains said configuration data, and loads said configuration data, controls said phase shifter according to said configuration data and adjusts said antenna lower decline angle.
Need to prove; When antenna is multichannel antenna; Said readable and writable memory also is used to store the aerial information of corresponding said configuration data; Said exterior read-write equipment obtains said configuration data from said readable and writable memory and is specially, and said exterior read-write equipment reads said aerial information from said readable and writable memory earlier, reads corresponding configuration data according to said aerial information again.Information such as the frequency range that comprises antenna model, antenna that said aerial information is optional, antenna sequence number, antenna channels sign at least a.
In the present embodiment, adopt radio communication between readable and writable memory 202 and the exterior read-write equipment 203.Said readable and writable memory is radio frequency identification RFID Tag, and radio frequency identification RFID Tag can be built in the antenna, also can be built in parts that RCU directly links to each other in, for example be positioned at the outside transmission device of antenna, interface unit etc.
Exterior read-write equipment can be an autonomous device, also can be built among the RCU, and exterior read-write equipment can directly read aerial information and configuration data from electronic tag, so that RCU loads configuration data.
When antenna is multichannel antenna; As shown in Figure 4, optional, the antenna system in the present embodiment can comprise many to radio frequency identification RFID Tag and exterior read-write equipment; Each is to electronic tag and the corresponding passage of exterior read-write equipment; Said electronic tag is stored corresponding aerial information and configuration data, and the exterior read-write equipment that matches with said electronic tag reads aerial information and configuration data from electronic tag, and said configuration data is loaded into RCU; Perhaps this antenna system comprises a pair of radio frequency identification RFID Tag and exterior read-write equipment, the aerial information and the configuration data of said all passages of electronic tag storage.
Among the utility model embodiment two, store the configuration data of respective antenna in antenna, make exterior read-write equipment obtain configuration data and then RCU is configured, realize the adjusting of antenna lower decline angle with wireless mode through readable and writable memory is set.Reduce the manual work probability of makeing mistakes, reduce installation cost, improve the accuracy of engineering construction, maintain easily.
The utility model embodiment three provides a kind of antenna system, and is as shown in Figure 5, comprising: antenna 201, at least one readable and writable memory 202, at least one exterior read-write equipment 203 and at least one RCU.
Said antenna 201 comprises at least one phase shifter, and phase shifter is used under the control of said RCU, regulating antenna lower decline angle; Readable and writable memory 202 is used to store the arrangement of antennas data, and said configuration data is used for being loaded into RCU makes RCU according to said configuration data control phase shifter adjustment antenna lower decline angle; Exterior read-write equipment 203 is used for obtaining said configuration data from said readable and writable memory; RCU is used to control said exterior read-write equipment and obtains said configuration data, and loads said configuration data, controls said phase shifter according to said configuration data and adjusts said antenna lower decline angle.
Need to prove; When antenna is multichannel antenna; Said readable and writable memory also is used to store the aerial information of corresponding said configuration data; Said exterior read-write equipment obtains said configuration data from said readable and writable memory and is specially, and said exterior read-write equipment reads said aerial information from said readable and writable memory earlier, reads corresponding configuration data also according to said aerial information again.Information such as the frequency range that comprises antenna model, antenna that said aerial information is optional, antenna sequence number, antenna channels sign at least a.
In the present embodiment, adopt wire communication between readable and writable memory 202 and the exterior read-write equipment 203.Said readable and writable memory can be EEPROM (Electrically Erasable Programmable Read-Only Memory; EEPROM) or flash memory Flash ROM; Readable and writable memory can be built in the antenna, can adopt I between exterior read-write equipment and the readable and writable memory
2C (Inter Integrated Circuit, inter-IC bus) or SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) interface.
Exterior read-write equipment can be an autonomous device, also can be built in tower that antenna is connected in the equipment, like RCU, tower amplifier etc.Exterior read-write equipment can read aerial information and configuration data from readable and writable memory, so that RCU loads configuration data.
When antenna is multichannel antenna; As shown in Figure 6, optional, the antenna system in the present embodiment can comprise a plurality of exterior read-write equipments; The corresponding passage of each exterior read-write equipment, said readable and writable memory is stored the aerial information and the configuration data of said multichannel antenna; Perhaps this antenna system comprises an exterior read-write equipment, corresponding all passages of this exterior read-write equipment.
Among the utility model embodiment three, store the configuration data of respective antenna in antenna, make exterior read-write equipment obtain configuration data and then RCU is configured, realize the adjusting of antenna lower decline angle with wired mode through readable and writable memory is set.Reduce the manual work probability of makeing mistakes, reduce installation cost, improve the accuracy of engineering construction, maintain easily.
The utility model embodiment four provides a kind of antenna assembly, and is as shown in Figure 7, and said antenna assembly comprises: antenna 201 and at least one readable and writable memory 202.
Said antenna 201 comprises at least one phase shifter, and said phase shifter is used under the control of remote control unit RCU, regulating said antenna lower decline angle; Readable and writable memory 202 and exterior read-write equipment communication; Be used to store said arrangement of antennas data; And send said configuration data to said exterior read-write equipment, thereby control said phase shifter according to said configuration data and adjust said antenna lower decline angle so that said RCU obtains said configuration data and loads from said exterior read-write equipment.
Need to prove that when said antenna was multichannel antenna, said readable and writable memory also was used to store corresponding said configuration data aerial information.The frequency range that comprises antenna model, antenna that said aerial information is optional, antenna sequence number, antenna channels identification information at least a.
In the present embodiment, said readable and writable memory can be radio frequency identification RFID Tag, EEPROM or Flash ROM.For multichannel antenna; Said antenna assembly can comprise a plurality of electronic tags, the corresponding passage of each electronic tag, the aerial information and the configuration information of storage respective channel antenna; Perhaps said antenna assembly comprises an electronic tag, corresponding all passages of this electronic tag.
Among the utility model embodiment four, store the configuration data of respective antenna in antenna, make RCU conveniently obtain configuration data, realize the adjusting of antenna lower decline angle through readable and writable memory is set.Reduce the manual work probability of makeing mistakes, reduce installation cost, improve the accuracy of engineering construction, maintain easily.
Need to prove that the system that all embodiment of the utility model provide can be applied to base station antenna system with device, but is not limited to base station antenna system, also can be applied in the wireless communication system of other type.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Described program can be stored in the computer read/write memory medium; This program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above-listed preferred embodiment; Purpose, technical scheme and advantage to the utility model have been carried out further explain, it should be understood that the above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (13)
1. an antenna system is characterized in that, comprising: antenna, at least one readable and writable memory, at least one exterior read-write equipment and at least one remote control unit RCU, wherein:
Said antenna comprises at least one phase shifter, and said phase shifter is used under the control of said remote control unit RCU, regulating antenna lower decline angle;
Said readable and writable memory: be used to store said arrangement of antennas data;
Said exterior read-write equipment: be used for obtaining said configuration data from said readable and writable memory;
Said RCU: be used to control said exterior read-write equipment and obtain said configuration data, and load said configuration data, control said phase shifter according to said configuration data and adjust said antenna lower decline angle from said readable and writable memory.
2. the system of claim 1; It is characterized in that; When said antenna is multichannel antenna; Said readable and writable memory also is used to store the aerial information of corresponding said configuration data, and said exterior read-write equipment obtains said configuration data from said readable and writable memory and is specially: said exterior read-write equipment reads said aerial information from said readable and writable memory earlier, reads corresponding configuration data according to said aerial information again.
3. system as claimed in claim 2 is characterized in that, said aerial information comprises frequency range, antenna sequence number, antenna channels identification information at least a of antenna model, antenna.
4. like the arbitrary described system of claim 1 to 3, it is characterized in that adopt radio communication between said readable and writable memory and the said exterior read-write equipment, said readable and writable memory is radio frequency identification RFID Tag.
5. system as claimed in claim 4 is characterized in that, said RFID Tag be built in said antenna or with parts that said RCU directly links to each other in; And/or said exterior read-write equipment is an autonomous device or is built among the said RCU.
6. system as claimed in claim 4; It is characterized in that; Said system comprises during for multichannel antenna many to said radio frequency identification RFID Tag and said exterior read-write equipment at said antenna for base station, each is to a passage of said electronic tag and said the corresponding said antenna of read-write equipment.
7. like the arbitrary described system of claim 1 to 3, it is characterized in that, adopt wire communication between said readable and writable memory and the said exterior read-write equipment, said readable and writable memory is EEPROM EEPROM or flash memory Flash ROM.
8. system as claimed in claim 7 is characterized in that, said EEPROM or Flash ROM are built in the said antenna; And/or said exterior read-write equipment is an autonomous device or is built on the tower that is connected with said antenna in the equipment.
9. system as claimed in claim 7 is characterized in that, said system comprises a plurality of said exterior read-write equipments during for multichannel antenna at said antenna, a passage of the corresponding said antenna of each said exterior read-write equipment.
10. an antenna assembly is characterized in that, comprising: antenna and at least one readable and writable memory, wherein:
Said antenna comprises at least one phase shifter: be used under the control of remote control unit RCU, regulating said antenna lower decline angle;
Said readable and writable memory: with the exterior read-write equipment communication; Be used to store said arrangement of antennas data; And send said configuration data to said exterior read-write equipment, thereby control said phase shifter according to said configuration data and adjust said antenna lower decline angle so that said RCU obtains said configuration data and loads from said exterior read-write equipment.
11. device as claimed in claim 10 is characterized in that, when said antenna was multichannel antenna, said readable and writable memory also was used to store the aerial information of corresponding said configuration data.
12. device as claimed in claim 10 is characterized in that, said readable and writable memory is radio frequency identification RFID Tag or EEPROM EEPROM or flash memory Flash ROM.
13. device as claimed in claim 12 is characterized in that, when said antenna was multichannel antenna, said radio frequency identification RFID Tag was a plurality of, a passage of the corresponding said antenna of each electronic tag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220135313 CN202495572U (en) | 2012-02-08 | 2012-04-01 | Antenna system and device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210027482.0 | 2012-02-08 | ||
| CN 201210027482 CN102544731A (en) | 2012-02-08 | 2012-02-08 | Antenna system and device |
| CN 201220135313 CN202495572U (en) | 2012-02-08 | 2012-04-01 | Antenna system and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495572U true CN202495572U (en) | 2012-10-17 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210027482 Pending CN102544731A (en) | 2012-02-08 | 2012-02-08 | Antenna system and device |
| CN 201220135313 Expired - Lifetime CN202495572U (en) | 2012-02-08 | 2012-04-01 | Antenna system and device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210027482 Pending CN102544731A (en) | 2012-02-08 | 2012-02-08 | Antenna system and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN102544731A (en) |
| WO (1) | WO2013117141A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544731A (en) * | 2012-02-08 | 2012-07-04 | 华为技术有限公司 | Antenna system and device |
| CN111076707B (en) * | 2018-10-22 | 2022-09-27 | 中国移动通信有限公司研究院 | Antenna attitude measurement method, device and system and storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100558001C (en) * | 2006-08-08 | 2009-11-04 | 华为技术有限公司 | The central controlled method and system of a kind of realization 2G network electrical tilt antenna |
| CN201397879Y (en) * | 2009-01-09 | 2010-02-03 | 东莞市晖速天线技术有限公司 | Device used for adjusting electrical downtilt of mobile communication antenna |
| CN102136630B (en) * | 2010-11-23 | 2015-06-03 | 华为技术有限公司 | Antenna device, antenna system and electric antenna control method |
| CN102544731A (en) * | 2012-02-08 | 2012-07-04 | 华为技术有限公司 | Antenna system and device |
-
2012
- 2012-02-08 CN CN 201210027482 patent/CN102544731A/en active Pending
- 2012-04-01 CN CN 201220135313 patent/CN202495572U/en not_active Expired - Lifetime
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2013
- 2013-01-31 WO PCT/CN2013/071169 patent/WO2013117141A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN102544731A (en) | 2012-07-04 |
| WO2013117141A1 (en) | 2013-08-15 |
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Granted publication date: 20121017 |