EP2676328B1 - Antenna assembly - Google Patents
Antenna assembly Download PDFInfo
- Publication number
- EP2676328B1 EP2676328B1 EP11871316.3A EP11871316A EP2676328B1 EP 2676328 B1 EP2676328 B1 EP 2676328B1 EP 11871316 A EP11871316 A EP 11871316A EP 2676328 B1 EP2676328 B1 EP 2676328B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- antenna assembly
- signal processing
- assembly according
- intermediate cover
- 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.)
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Links
- 238000012545 processing Methods 0.000 claims description 32
- 238000004891 communication Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 230000001413 cellular effect Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/40—Radiating elements coated with or embedded in protective material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
Definitions
- the present invention relates to an antenna assembly for wireless communication systems, and more especially to an integrated antenna assembly.
- an antenna is a passive component in a wireless communication system.
- Communication cables from the antenna feed radio frequency signals to a Remote Radio Unit (RRU) which is located a distance from the antenna.
- RRU Remote Radio Unit
- Typical functionalities of a RRU is e.g. filtering and converting of analogue radio frequency signals to digital signals, baseband processing of incoming data, signal processing, and signal strength boosting of transmission signals, etc.
- Figure 1 schematically shows a traditional antenna system with a passive antenna unit connected to a RRU via a communication cable.
- An active antenna system integrates one or more of the functionalities of a RRU with the passive antenna and allows for other performance enhancements.
- the RRU comprises active electronics, such as power amplifiers, signal processing devices, AD converters, high speed fibre optic devices and power supply.
- active electronics such as power amplifiers, signal processing devices, AD converters, high speed fibre optic devices and power supply.
- the inclusion of active electronics within the integrated antenna requires that the antenna housing has the same environmental protection classification required as for the RRU.
- the housing simply encases the antenna array from the outdoor environment, since the antenna is a passive part of the network and does not house active electronics.
- Passive antennas require a level of outdoor environmental protection to prevent corrosion of elements and contacts, but it does not need to be fully sealed against water or dust ingress as there are no active electrical components in a passive antenna.
- active antennas having active electronics have to be sealed against water and dust ingress.
- the introduction of active electronics into the antenna also require cooling of the electronics, which adds a further level of complexity to the antenna design, including the incorporation of a heat sink which is exposed to the air to allow for natural convection cooling of the active components of the antenna.
- the height of such antenna array is often over 1 meter in height and manufacturing tolerances of long heat sinks increase the risk that gaps will appear between the cover (radome) and the heat sink leading to water and dust ingress that cannot be solved by traditional antenna construction techniques.
- This additional level of complexity to the antenna design requires even a higher level of environmental protection from dust and water ingress.
- US5267297 discloses an antenna assembly for a wireless communication system.
- US2009/0002260 discloses an antenna mount through a plate, comprising Gaskets on both sides of the mounting plate.
- the object of the present invention is to provide an antenna assembly which mitigates and/or solves the disadvantages of prior art solutions.
- the invention especially aims to solve the problem of sealing integrated active antennas.
- antenna assembly for wireless communication systems, comprising an antenna part and an antenna signal processing part together forming an integrated antenna assembly;
- the present invention provides a water tight seal which protects the internal electronics built into integrated antennas from being damaged by moisture or dust ingress into the antenna unit.
- the seal provides protection against moisture and dust ingress to sensitive electronics and allows for an embodiment with a heat sink to aid with the cooling of the aforementioned electronics.
- gasket seals according to the invention allows for maintenance operations to be performed by being easier to separate the parts of the antenna for repair, upgrade and for recycling when the antenna reaches the end of its useable life.
- the present invention relates to an integrated antenna assembly comprising a passive antenna part and an active antenna signal processing part.
- the former comprising at least one antenna element (but often an array of antenna elements for antenna beam control in cellular communication systems) for receiving/transmitting wireless communication signals, and the latter comprising one or more signal processing units or any other active component for processing wireless communication signals.
- the two parts are in communication with each other by means of one or more communication interfaces, such as communication cables.
- a processing unit in this disclosure should have a wide interpretation and may incorporate such as Digital Signal Processor (DSP), power amplifier, AD or DA converters, etc.
- DSP Digital Signal Processor
- the antenna part and the antenna signal processing part are attached to each other by means of an intermediate cover C located between the two parts, which also separates mentioned two parts.
- the intermediate cover C may comprises suitable connection means/interfaces for transmission of signals between the antenna elements and the signal processing unit in the two different parts.
- the antenna assembly further comprises a first gasket G1 and a second gasket G2 for sealing the antenna assembly against water and dust.
- the first gasket G1 is arranged to act in a first direction D1 on the intermediate cover C
- the second gasket G2 is arranged to act in a second direction D2 on the intermediate cover C, wherein the second direction D2 is substantially opposite to the first direction D1.
- FIG. 2 schematically shows an antenna assembly.
- the integrated antenna assembly in figure 2 is shown in cross section.
- the upper part is the antenna signal processing part and the lower part is the antenna part.
- an intermediate cover C is located between the upper and lower parts.
- the mentioned three parts may be attached to each other by means of suitable fastening means, such as bolts, screws, rivets or adhesives.
- suitable fastening means such as bolts, screws, rivets or adhesives.
- the main radiation direction of the antenna is also illustrated in figure 2 .
- a first G1 and a second G2 gasket are provided in a first Gr1 and a second Gr2 groove, respectively.
- the first gasket G1 acts on the intermediate cover C in a first direction D1
- the second gasket G2 acts on the intermediate cover C in a second direction D2 opposite to the first direction D1.
- a water tight and dust free seal is provided as the force acting on the intermediate cover C from the first gasket G1 is balanced by the force acting on the intermediate cover C from the second gasket G2 which results in a tight fit.
- the intermediate cover C is made of a material, such as sheet metal of aluminium that may deflect when a force acts on it.
- the gaskets G1, G2 are made of a compressible material, such as silicon rubber or any other suitable material with the compression and sealing properties. It should further be noted that the first Gr1 and second Gr2 grooves in which the gaskets G1, G2 run extend along the circumference of respective parts so as to achieve extra good sealing.
- the invention allows an antenna to be integrated with a radio processing unit (such as a RRU) and at the same time providing a water and dust proof seal which complies with the environmental protection standard qualification required for this type of antennas.
- a radio processing unit such as a RRU
- FIG 3 schematically shows a cross section of a part of an embodiment of an antenna assembly according to the invention.
- the embodiment in figure 3 comprises a heat sink HS (of which only a part is shown) made of aluminum having one or more cooling flanges (not shown).
- the heat sink HS also functions as a cover for the antenna signal processing part in this embodiment.
- the antenna assembly in figure 3 further comprises a (plastic) radome R protecting the antenna part.
- the first groove Gr1 is located in the heat sink HS, while the second groove Gr2 is located in the radome R.
- the first groove Gr1 extends on the inside of the fastening means (in this case screws) while the second groove Gr2 extends along the outside of said fastening means. That is, the two grooves Gr1, Gr2 extend on different sides of the fastening means, and this particular embodiment has proven to have very good sealing properties.
- Figure 4 illustrates the antenna assembly from above.
- the dotted lines illustrate the first Gr1 and second Gr2 grooves, respectively, and it is noted that the two grooves Gr1, Gr2 extend on two different distances d1, d2 in relation to the
- the antenna assembly is preferably used as base station antenna in cellular wireless communication systems and therefore adapted for radio frequencies in such systems.
- Examples of such systems are: GSM, UMTS, LTE, and LTE-Advanced.
- the present invention is not limited to the embodiments described above, but also relates to and incorporates all embodiments within the scope of the appended independent claim.
- Another aspect of the use of heat sinks in antennas is its weight. It is well known that it is preferable if the antenna assembly has a low weight as possible. The inventors have realized that the surface area that the heat sinks cover may be less then the surface area of the intermediate cover C so as to reduce weight. The cooling of the active components may still be achieved. A drawback with this solution is the asymmetry introduce by the different surface areas which complicates the sealing of such antennas further.
- the present invention has proved in tests that it is possible to provide a satisfactory seal and reduce the number of fasteners using the sealing arrangement described in the application which also means that time and cost can be reduced when producing antenna assemblies according to the invention. However, the benefits of using opposing forces according to the invention decrease the smaller the heat sink and the greater the offset between the two gaskets G1, G2.
Description
- The present invention relates to an antenna assembly for wireless communication systems, and more especially to an integrated antenna assembly.
- Traditionally, an antenna is a passive component in a wireless communication system. Communication cables from the antenna feed radio frequency signals to a Remote Radio Unit (RRU) which is located a distance from the antenna. The further the RRU from the antenna the larger the loss in the signal reception and transmission due to e.g. resistance in the communication cables. Typical functionalities of a RRU is e.g. filtering and converting of analogue radio frequency signals to digital signals, baseband processing of incoming data, signal processing, and signal strength boosting of transmission signals, etc.
Figure 1 schematically shows a traditional antenna system with a passive antenna unit connected to a RRU via a communication cable. - Therefore, to reduce mentioned signal loss and improve overall performance and power consumption so called active antenna systems has been proposed. An active antenna system integrates one or more of the functionalities of a RRU with the passive antenna and allows for other performance enhancements. In this respect, the RRU comprises active electronics, such as power amplifiers, signal processing devices, AD converters, high speed fibre optic devices and power supply. However, the inclusion of active electronics within the integrated antenna requires that the antenna housing has the same environmental protection classification required as for the RRU.
- In prior art passive antenna designs, the housing simply encases the antenna array from the outdoor environment, since the antenna is a passive part of the network and does not house active electronics. Passive antennas require a level of outdoor environmental protection to prevent corrosion of elements and contacts, but it does not need to be fully sealed against water or dust ingress as there are no active electrical components in a passive antenna. However, active antennas having active electronics have to be sealed against water and dust ingress.
- Furthermore, the introduction of active electronics into the antenna also require cooling of the electronics, which adds a further level of complexity to the antenna design, including the incorporation of a heat sink which is exposed to the air to allow for natural convection cooling of the active components of the antenna. The height of such antenna array is often over 1 meter in height and manufacturing tolerances of long heat sinks increase the risk that gaps will appear between the cover (radome) and the heat sink leading to water and dust ingress that cannot be solved by traditional antenna construction techniques. This additional level of complexity to the antenna design requires even a higher level of environmental protection from dust and water ingress.
-
US5267297 discloses an antenna assembly for a wireless communication system.US2009/0002260 discloses an antenna mount through a plate, comprising Gaskets on both sides of the mounting plate. The object of the present invention is to provide an antenna assembly which mitigates and/or solves the disadvantages of prior art solutions. The invention especially aims to solve the problem of sealing integrated active antennas. - According to an aspect of the invention there is provided antenna assembly for wireless communication systems, comprising an antenna part and an antenna signal processing part together forming an integrated antenna assembly;
- said antenna part comprising at least one antenna element adapted for receiving/transmitting wireless communication signals, and
- said antenna signal processing part comprising at least one processing unit adapted for signal processing communication signals to and/or from said at least one antenna element;
- said antenna part and said antenna signal processing part being attached to each other and separated from each other by means of an intermediate cover (C) located between said antenna part and said antenna signal processing part; and
- said antenna assembly further comprises a first gasket (G1) and a second gasket (G2) for sealing said antenna assembly,
- said first gasket (G1) being arranged to act in a first direction (D1) on said intermediate cover (C), and
- said second gasket (G2) being arranged to act in a second direction (D2) on said intermediate cover (C), said second direction (D2) being substantially opposite to said first direction (D1); wherein said first (G1) and second (G2) gaskets run in a first groove (Gr1) and in a second groove (Gr2), respectively, said first groove (Gr1) being located on said antenna signal processing part and said second groove (Gr2) being located on said antenna part, and wherein said antenna signal processing part further comprises at least one heat sink (HS), and said first groove (Gr1) is at least partly located in said heat sink (HS).
- Different embodiments of the antenna assembly are disclosed in the appended dependent claims.
- The present invention provides a water tight seal which protects the internal electronics built into integrated antennas from being damaged by moisture or dust ingress into the antenna unit. The seal provides protection against moisture and dust ingress to sensitive electronics and allows for an embodiment with a heat sink to aid with the cooling of the aforementioned electronics.
- Furthermore, the use of gasket seals according to the invention allows for maintenance operations to be performed by being easier to separate the parts of the antenna for repair, upgrade and for recycling when the antenna reaches the end of its useable life.
- Further applications and advantageous of the invention will be apparent from the following detailed description.
- The appended drawings are intended to clarify and explain different embodiments of the present invention in which:
-
Figure 1 schematically shows a traditional antenna system with a passive antenna unit connected to RRU; -
Figure 2 schematically shows a first example of an antenna assembly; -
Figure 3 schematically shows a part of an embodiment of an antenna assembly according to the invention; and -
Figure 4 schematically shows an antenna assembly viewed from above. - As aforementioned, with the introduction of active antennas in wireless communication systems there is a need for proper environmental protection of such antennas.
- Therefore, the present invention relates to an integrated antenna assembly comprising a passive antenna part and an active antenna signal processing part. The former comprising at least one antenna element (but often an array of antenna elements for antenna beam control in cellular communication systems) for receiving/transmitting wireless communication signals, and the latter comprising one or more signal processing units or any other active component for processing wireless communication signals. The two parts are in communication with each other by means of one or more communication interfaces, such as communication cables. It should be understood that a processing unit in this disclosure should have a wide interpretation and may incorporate such as Digital Signal Processor (DSP), power amplifier, AD or DA converters, etc.
- The antenna part and the antenna signal processing part are attached to each other by means of an intermediate cover C located between the two parts, which also separates mentioned two parts. It should be noted that the intermediate cover C may comprises suitable connection means/interfaces for transmission of signals between the antenna elements and the signal processing unit in the two different parts.
- Moreover, the antenna assembly further comprises a first gasket G1 and a second gasket G2 for sealing the antenna assembly against water and dust. The first gasket G1 is arranged to act in a first direction D1 on the intermediate cover C, and the second gasket G2 is arranged to act in a second direction D2 on the intermediate cover C, wherein the second direction D2 is substantially opposite to the first direction D1.
-
Figure 2 schematically shows an antenna assembly. The integrated antenna assembly infigure 2 is shown in cross section. The upper part is the antenna signal processing part and the lower part is the antenna part. As shown in the figure an intermediate cover C is located between the upper and lower parts. The mentioned three parts may be attached to each other by means of suitable fastening means, such as bolts, screws, rivets or adhesives. The main radiation direction of the antenna is also illustrated infigure 2 . - So as to seal the integrated antenna assembly, a first G1 and a second G2 gasket are provided in a first Gr1 and a second Gr2 groove, respectively. The first gasket G1 acts on the intermediate cover C in a first direction D1, while the second gasket G2 acts on the intermediate cover C in a second direction D2 opposite to the first direction D1. In this case on the opposite sides of the elongated flat intermediate cover C according to an example. Thereby, a water tight and dust free seal is provided as the force acting on the intermediate cover C from the first gasket G1 is balanced by the force acting on the intermediate cover C from the second gasket G2 which results in a tight fit. This is especially the case when the intermediate cover C is made of a material, such as sheet metal of aluminium that may deflect when a force acts on it.
- The gaskets G1, G2 are made of a compressible material, such as silicon rubber or any other suitable material with the compression and sealing properties. It should further be noted that the first Gr1 and second Gr2 grooves in which the gaskets G1, G2 run extend along the circumference of respective parts so as to achieve extra good sealing.
- Hence, the invention allows an antenna to be integrated with a radio processing unit (such as a RRU) and at the same time providing a water and dust proof seal which complies with the environmental protection standard qualification required for this type of antennas.
-
Figure 3 schematically shows a cross section of a part of an embodiment of an antenna assembly according to the invention. It has been mentioned that with the integration of active circuits in an antenna assembly, proper cooling is need. An effective and reasonable priced solution is the use of heat sinks HS made of aluminum. The drawback is however that these heat sinks HS have to be of considerable size if the cooling should be effective. With the size there is a risk that gaps appear between the heat sink HS and the other part of the antenna assembly which destroys the sealing. - The embodiment in
figure 3 comprises a heat sink HS (of which only a part is shown) made of aluminum having one or more cooling flanges (not shown). The heat sink HS also functions as a cover for the antenna signal processing part in this embodiment. The antenna assembly infigure 3 further comprises a (plastic) radome R protecting the antenna part. In this preferred embodiment, the first groove Gr1 is located in the heat sink HS, while the second groove Gr2 is located in the radome R. Further, the first groove Gr1 extends on the inside of the fastening means (in this case screws) while the second groove Gr2 extends along the outside of said fastening means. That is, the two grooves Gr1, Gr2 extend on different sides of the fastening means, and this particular embodiment has proven to have very good sealing properties.Figure 4 illustrates the antenna assembly from above. The dotted lines illustrate the first Gr1 and second Gr2 grooves, respectively, and it is noted that the two grooves Gr1, Gr2 extend on two different distances d1, d2 in relation to the edge of the antenna assembly. - The antenna assembly is preferably used as base station antenna in cellular wireless communication systems and therefore adapted for radio frequencies in such systems. Examples of such systems are: GSM, UMTS, LTE, and LTE-Advanced. However, the present invention is not limited to the embodiments described above, but also relates to and incorporates all embodiments within the scope of the appended independent claim.
- Another aspect of the use of heat sinks in antennas is its weight. It is well known that it is preferable if the antenna assembly has a low weight as possible. The inventors have realized that the surface area that the heat sinks cover may be less then the surface area of the intermediate cover C so as to reduce weight. The cooling of the active components may still be achieved. A drawback with this solution is the asymmetry introduce by the different surface areas which complicates the sealing of such antennas further. The present invention has proved in tests that it is possible to provide a satisfactory seal and reduce the number of fasteners using the sealing arrangement described in the application which also means that time and cost can be reduced when producing antenna assemblies according to the invention. However, the benefits of using opposing forces according to the invention decrease the smaller the heat sink and the greater the offset between the two gaskets G1, G2.
Claims (13)
- Antenna assembly for wireless communication systems, comprising an antenna part and an antenna signal processing part together forming an integrated antenna assembly;
said antenna part comprising at least one antenna element adapted for receiving/transmitting wireless communication signals, and
said antenna signal processing part comprising at least one processing unit adapted for signal processing communication signals to and/or from said at least one antenna element;
said antenna part and said antenna signal processing part being attached to each other and separated from each other by means of an intermediate cover (C) located between said antenna part and said antenna signal processing part; and
said antenna assembly further comprises a first gasket (G1) and a second gasket (G2) for sealing said antenna assembly,
said first gasket (G1) being arranged to act in a first direction (D1) on said intermediate cover (C), and
said second gasket (G2) being arranged to act in a second direction (D2) on said intermediate cover (C), said second direction (D2) being substantially opposite to said first direction (D1); characterised in that said first (G1) and second (G2) gaskets run in a first groove (Gr1) and in a second groove (Gr2), respectively, said first groove (Gr1) being located on said antenna signal processing part and said second groove (Gr2) being located on said antenna part, and wherein said antenna signal processing part further comprises at least one heat sink (HS), and said first groove (Gr1) is at least partly located in said heat sink (HS). - Antenna assembly according to claim 1, wherein said heat sink (HS) also function as a cover for said antenna signal processing part.
- Antenna assembly according to claim 1, wherein said heat sink (HS) has one or more cooling flanges and/or is made of metal, such as aluminium.
- Antenna assembly according to claim 1, wherein said antenna part further comprises a radome (R) covering said antenna part, and said second groove (Gr2) is at least partly located in said radome (R).
- Antenna assembly according to claim 1, wherein- said first groove (Gr1) extends along the circumference of said antenna signal processing part, and/or- said second groove (Gr2) extends along the circumference of said antenna part.
- Antenna assembly according to claim 1, wherein said first (G1) and second (G2) gaskets are made of a compressible material, such as silicon rubber.
- Antenna assembly according to claim 1, wherein said intermediate cover (C) is made of sheet metal.
- Antenna assembly according to claim 1, wherein said antenna part, said antenna signal processing part and said intermediate cover (C) are attached to each other by means of one or more fastening means, such as screws, bolts, rivets and adhesives.
- Antenna assembly according to claim 1, wherein- said first gasket (G1) acts on a first side of said intermediate cover (C), and- said second gasket (G2) acts on a second side of said intermediate cover (C), said first and second sides being opposite sides of said intermediate cover (C).
- Antenna assembly according to claim 1, wherein said first direction (D1) is in the main radiation direction of said antenna assembly.
- Antenna assembly according to claim 1, wherein said antenna processing part covers a surface area less than the surface area of the intermediate cover (C).
- Antenna assembly according to claim 1, wherein said antenna assembly is adapted for cellular wireless communication systems, such as GSM, UMTS, LTE and LTE advanced.
- Antenna assembly according to claim 1, wherein said antenna assembly is a base station antenna.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2011/078890 WO2013026204A1 (en) | 2011-08-25 | 2011-08-25 | Antenna assembly |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2676328A1 EP2676328A1 (en) | 2013-12-25 |
EP2676328A4 EP2676328A4 (en) | 2015-02-18 |
EP2676328B1 true EP2676328B1 (en) | 2017-11-15 |
Family
ID=47745854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP11871316.3A Active EP2676328B1 (en) | 2011-08-25 | 2011-08-25 | Antenna assembly |
Country Status (3)
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EP (1) | EP2676328B1 (en) |
CN (1) | CN103718378B (en) |
WO (1) | WO2013026204A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US10224642B2 (en) | 2014-06-03 | 2019-03-05 | Airrays Gmbh | Modular antenna system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH04103228A (en) | 1990-08-22 | 1992-04-06 | Mitsubishi Electric Corp | Radio repeater and radio equipment |
US7043280B1 (en) * | 2001-10-11 | 2006-05-09 | Adaptix, Inc. | Mechanically rotatable wireless RF data transmission subscriber station with multi-beam antenna |
DE102006056501B4 (en) * | 2006-11-30 | 2012-05-03 | Saint-Gobain Sekurit Deutschland Gmbh & Co. Kg | Laminated glass pane with an attachment device for an antenna inserted into a through hole |
US20090002260A1 (en) * | 2007-06-29 | 2009-01-01 | Barry Booth | EZ fit antenna base (side mount) |
CN201112540Y (en) * | 2007-08-27 | 2008-09-10 | 寰波科技股份有限公司 | Integrated antenna die set |
EP2113963A1 (en) * | 2008-05-02 | 2009-11-04 | Nokia Siemens Networks Oy | An enclosure and mounting assembly for an antenna |
CN101895018A (en) * | 2009-05-04 | 2010-11-24 | 河北威奥电子科技有限公司 | Lightning-proof GNSS active antenna |
DE102009028620A1 (en) * | 2009-08-18 | 2011-02-24 | Endress + Hauser Gmbh + Co. Kg | Process automation technology measuring device for determining and monitoring a chemical or physical process variable in a high-temperature process in a container |
CN201573775U (en) * | 2010-01-13 | 2010-09-08 | 赵平 | Improved buoyage for tracking and locating spilled oil |
US8659901B2 (en) * | 2010-02-04 | 2014-02-25 | P-Wave-Holdings, LLC | Active antenna array heatsink |
CN201689982U (en) * | 2010-06-08 | 2010-12-29 | 佛山市南海微波通讯设备有限公司 | Active directional terminal antenna |
CN101950846B (en) * | 2010-09-03 | 2013-02-20 | 广东通宇通讯股份有限公司 | Active integrated antenna system |
CN102035061A (en) * | 2010-12-10 | 2011-04-27 | 广东通宇通讯股份有限公司 | Integrated active antenna radiator |
-
2011
- 2011-08-25 EP EP11871316.3A patent/EP2676328B1/en active Active
- 2011-08-25 WO PCT/CN2011/078890 patent/WO2013026204A1/en active Application Filing
- 2011-08-25 CN CN201180072803.2A patent/CN103718378B/en active Active
Non-Patent Citations (1)
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Also Published As
Publication number | Publication date |
---|---|
CN103718378B (en) | 2016-06-29 |
WO2013026204A1 (en) | 2013-02-28 |
EP2676328A4 (en) | 2015-02-18 |
CN103718378A (en) | 2014-04-09 |
EP2676328A1 (en) | 2013-12-25 |
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