EP1246298A1 - Antenne multibande de télécommunications - Google Patents
Antenne multibande de télécommunications Download PDFInfo
- Publication number
- EP1246298A1 EP1246298A1 EP02290299A EP02290299A EP1246298A1 EP 1246298 A1 EP1246298 A1 EP 1246298A1 EP 02290299 A EP02290299 A EP 02290299A EP 02290299 A EP02290299 A EP 02290299A EP 1246298 A1 EP1246298 A1 EP 1246298A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radiating elements
- gsm
- dcs
- antenna
- radiating
- 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.)
- Granted
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Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/42—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more imbricated arrays
Definitions
- the present invention relates to a multiband antenna telecommunications, particularly for cellular telephony.
- Telephony cell phone uses different frequency bands corresponding to different known telecommunication systems.
- Several systems of telecommunication are currently used simultaneously, as by example the “Digital Cellular System” DCS (1710-1880 MHz), or the “Global System for Mobile communications "GSM (870-960 MHz).
- new telecommunications systems such as UMTS or "Universal Mobile Telephone Service "(1900-2170 MHz) are in the installation phase.
- operators of telecommunications networks must provide an antenna network carrying out transmissions according to various frequency bands used. For this, some operators put complementary antenna networks, each of these networks operating according to a telecommunications system. So operators use a GSM antenna network and a DCS antenna network while they install a network of UMTS antennas.
- a second type of antenna results from the combination, within a single antenna chassis, of elements radiating respectively to several telecommunication systems.
- multiband antennas include Radiant elements specific to each of the GSM and DCS systems.
- FIG. 1 describes such a known dual-band antenna, GSM and DCS.
- This dual-band antenna 10 comprises radiating elements 12 operating according to the GSM system and radiating elements 14 operating according to the DCS system.
- the GSM radiating elements 12 are connected to two GSM connectors 16 and 18 transmitting waves of frequencies included in the GSM band.
- the radiating elements 14 DCS are connected to two connectors 20 and 22 DCS transmitting waves of frequencies included in the DCS band.
- FIG. 1 the connections between these connectors and the GSM or DCS radiating elements are not shown.
- each radiating element - including the operation is described for example in US patent 6,025,798 - is equivalent to two independent dipoles placed 90 degrees apart.
- these radiating elements 40 and 44 provide reception and / or suitable transmission of telecommunication signals whatever the position of a transmitting or receiving antenna in relation to these elements Radiant.
- any radiating element GSM 12 is equidistant from two radiating elements GSM 12, and is equidistant from two radiating elements DCS 14.
- any radiating element DCS 14 is equidistant from two radiating elements DCS 14.
- the radiating elements are partitioned by metal walls whose positioning also determines different characteristics of the radiation of each device, such as its opening horizontal.
- walls 26 perpendicular to a longitudinal axis 27 of the antenna partition the radiating elements 12 GSM inside enclosures of rectangular shape, these enclosures also being constituted by longitudinal walls 27a and 27b of the antenna chassis. The walls 26 decrease the couplings between these radiating elements 12 GSM, increasing thus the gain of the GSM device.
- the gain of the GSM device is also a function of the distance between the side walls 27a and 27b and the transmitting elements 12 GSM, just like the height of these walls 27a and 27b.
- the radiating elements 12 GSM are substantially equidistant from these walls 27a, 27b and 26 partitioning, we obtain an optimal configuration allowing the GSM device to operate according to transmission imposed by operators.
- the operation of the GSM device is optimized according to the second criterion previously mentioned since all the radiating elements of this device are similarly partitioned.
- the walls 26 are also used in conjunction with walls 24 fixed along the axis 27 of the antenna to partition the elements radiant 14 DCS. This partitioning determines characteristics of operation of the DCS device such as its horizontal opening or its gain.
- the radiating elements 12 GSM are also placed according to axis 27 of the antenna. Gold metallic walls close to an element radiant disturb the functioning of the latter. This is why longitudinal walls 24 have a chamfer 25 near the elements radiating 12 GSM.
- the 14 DCS radiating elements are partitioned in pairs of radiating elements in rectangular enclosures formed by the walls 24, 26 and 27b.
- a wall 28 is placed perpendicular to the axis 27 between the radiating elements 14 of these pairs.
- Each wall 28 is equidistant from the two radiating elements 14 DCS thus separated. Therefore, these walls 28 are located near a radiating element 12 GSM equidistant from these same two elements radiant DCS.
- These walls 28 then cause disturbances on the radiating elements 12 GSM of the same nature as the disturbances created by the walls 24 - proximity of a partition wall with respect to the radiating elements 12 GSM. This is why the walls 28 have a length less than the width of the element partitioning enclosures radiant 14 DCS. Furthermore, the height of the walls 28 is decreasing at as the latter approach the radiating elements 12 GSM.
- This decreasing profile results from a compromise between the partitioning radiating elements 14 DCS and the disturbances that these walls create vis-à-vis the radiating elements GSM 12.
- the radiating elements 14 DCS are then substantially equidistant from the walls 24, 26, 27b and 28. This provision results, as for the elements radiating 12 GSM, optimizing the performance of the DCS device.
- this partitioning being similar for any radiating element 14 DCS, interference to any radiating element 14 DCS remains similar, thus optimizing the operation of the DCS device.
- the realization of a dual-band antenna composed of radiating elements specific to each transmission system therefore requires many compromises and artifices to allow proper operation of each device.
- the average wavelength ⁇ DCS of the DCS band being approximately equal to half the average wavelength ⁇ GSM of the GSM band, it is possible to periodically locate all of the DCS radiating elements and GSM along the axis of the antenna while respecting an optimal distance between them.
- the object of the invention is to propose a tri-band antenna , for example GSM, DCS, UMTS, which has satisfactory operation although the average wavelength of at least one of the bands is not a multiple or a sub -multiple of the average wavelengths of the other two bands.
- the object of the invention is a radio transmission antenna, particularly in the field of cellular telecommunications, comprising first, second, and third radiating elements capable of operate in three different frequency bands respectively; characterized in that its structure is periodic along an axis longitudinal; and in that, in each module of its structure, a first radiating elements is placed in the center of a quadrilateral including two neighboring vertices are each occupied by one of the second elements radiant, and whose two other vertices are each occupied by one of the third radiating elements.
- each type of radiating element is optimized because each element of the same type is surrounded by an immediate vicinity which is similar, although the length waveform of at least one of the bands is not a multiple or a submultiple of the average wavelengths of the other two bands.
- the radiating elements are aligned respectively in three rows parallel to each other and parallel to the longitudinal axis of the antenna, these three rows corresponding respectively to the three bands.
- two neighboring radiating elements capable of operating in the same frequency band are separated by a distance of 0.95 x ⁇ m , where ⁇ m represents the average wavelength of the frequency band .
- the second radiating elements and the third radiating elements are placed respectively in two partitioned enclosures.
- the antenna comprises radiating elements capable of operating respectively in the strip of DCS frequencies, 1710-1880 MHz, the GSM frequency band, 870-960 MHz, and the UMTS frequency band, 1900-2170 MHz.
- each module then comprises a GSM radiating element, a pair of UMTS radiating elements, and a pair of DCS radiating elements; these two pairs being placed so that roughly define a rectangle in the center of which the element is placed radiating GSM.
- Such a tri-band antenna reduces installation, rental costs and / or maintenance for the network operator wishing to introduce radiant elements using a new communications system - by example UMTS - in its network while ensuring the functioning of systems already in use.
- an antenna has the advantage over a wideband antenna to use independent radiating elements to each telecommunication system.
- an operator equipped with this type antenna can vary the coverage area of one of the telecommunications without modifying the covers of the other systems used through the antenna.
- the variation in the transmission coverage of a device is obtained by a variation of the signals feeding this device. It is right to signal that a broadband antenna cannot perform such a modification, the device operating for each of the communications being the same.
- the antenna according to the invention is a compromise solution which allows satisfactory operation.
- the exemplary embodiment represented in FIG. 2 comprises radiating elements 52, 54 and 56 able to operate respectively, in the UMTS, GSM and DCS bands: the radiating elements 52 use the frequency band UMTS 1900-2170 MHz, the elements 54 radiators use the GSM 870-960 MHz frequency band and radiating elements 56 use the DCS 1710-1880 MHz frequency band.
- the radiating elements 54 and 56 are identical to the radiating elements 12 and 14 previously described with FIG. 1.
- the UMTS radiating elements 52 are similar to the GSM 54 and DCS 56 radiating elements but with technical characteristics specific to the UMTS system.
- the antenna 50 has a periodic structure, along its major axis 61, which is in the plane of symmetry of the antenna housing.
- the step is approximately equal to 0.85. ⁇ GSM , where ⁇ GSM is the average wavelength in the GSM band.
- This periodic structure is made up of rectangular modules which are identical to each other and each comprising: a GSM radiating element 54, a pair of UMTS radiating elements 52, and a pair of DCS 56 radiating elements, placed so that the pairs of elements 52 and DCS 56 radiating elements form a trapezoid of which they occupy the vertices, a GSM 54 radiating element being located in the center of this rectangle:
- the two UMTS 52 radiating elements occupy two neighboring vertices, and the two DCS 56 radiating elements occupy the other two highs.
- the radiating elements 54, 56, 52 of the assembly of the antenna 50 are aligned respectively in three rows parallel to each other and parallel to the longitudinal axis 61 of the antenna 50, these three rows
- each GSM 54 radiating element is: equidistant from two elements radiating 54 GSM, equidistant from two radiating elements 52 UMTS, and equidistant from two radiating elements 56 DCS.
- the distance between two neighboring GSM elements 54 is equal to the pitch, that is to say approximately equal to 0.85. ⁇ GSM.
- the distance between UMTS 52 radiating elements is 0.95. ⁇ UMTS , parallel to the axis 61 of the antenna, where ⁇ UMTS is the average wavelength of the UMTS band.
- the distance between DCS 56 radiating elements is 0.85 ⁇ DCS , where ⁇ DCS represents the average wavelength of the DCS band.
- the wavelengths ⁇ DCS and ⁇ UMTS not being very different, the radiating elements UMTS 52 and DCS 56 form a trapezoid which is approximately a rectangle.
- the DCS 56 radiating elements are placed at a non-optimized distance equal to 0.85 ⁇ DCS .
- the GSM radiating elements 54 are placed at a non-optimized distance approximately equal to 0.85 ⁇ GSM .
- the radiating elements GSM 54 and DCS 56 function correctly because, in accordance with the invention, each radiating element GSM 54 is surrounded by the same neighborhood, which also includes a similar partitions. Similarly, each DCS 56 radiating element is surrounded by the same neighborhood, which also includes a similar partitioning.
- walls 58 are placed perpendicular to a longitudinal axis 61 of the antenna. These walls 58 confine in a first enclosure the radiating elements 52 UMTS, and in one second the 56 DCS radiating elements of each module of the antenna, to reduce the coupling between radiating elements.
- Walls 59a and 59b complete the partitioning of the radiating elements of the antenna. These walls 59a and 59b are placed parallel to the vertical axis 61 on either side of the radiating elements 54 GSM, the latter being placed along the longitudinal axis 61 which is in the plane of symmetry of the housing the antenna.
- the walls 59a and 59b are discontinuous in the neighborhoods elements 54 of the GSM system, thereby increasing the distance between them walls 59a and 59b and the radiating elements 54 GSM.
- the walls 59a and 59b have cutouts 62 near the radiating elements 54 GSM to further reduce the interactions between walls 59a and 59b and these radiating elements 54 GSM.
- the wall 59a has cutouts 60 near the radiating elements 54 GSM.
- the 52 UMTS and 56 DCS radiating elements are partitioned by pairs. Oblique walls 64 are located between the radiating elements of each of these pairs, limiting the couplings between the radiating elements of each pair. However, the height of these walls decreases near the 54 GSM radiating elements to reduce disturbances between walls 58 and the DCS 56 radiating elements.
- the radiant elements DCS 56 are then approximately equidistant from the walls 58, 59b, 64 and a side wall 57b of the antenna.
- the UMTS 52 radiating elements are deliberately offset at the interior of the rectangular partitions formed by the walls 58, 59a, 64 and a side wall 57a of the antenna opposite the point equidistant from these walls. It appears experimentally that such a shift, of the order of centimeter, improves the performance of the UMTS device, particularly vis-à-vis the pointing of the horizontal radiation diagram.
- 70 UMTS, 72 GSM and 74 DCS power supplies are planned in duplicate cross polarization and independent of each other.
- this independence makes it possible to vary the zones of influence of emission and / or reception of each device.
- an operator decides to change the area of coverage of the antenna UMTS device, it can make this modification without altering the coverage areas of other DCS and GSM devices the antenna.
- a network operator can direct the UMTS beam of the antenna on an office area during the day and deflect this beam towards a hotel zone in the evening while maintaining the two beams DCS and GSM systems on the same coverage area.
- this deviation is effected by a modification of the diet of each device.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
Description
- Un premier type d'antenne est dit "large-bande" : il utilise une bande de travail suffisamment large pour recevoir ou émettre des communications suivant plusieurs systèmes de télécommunication. Par exemple, une antenne utilisant une bande de fréquences comprises entre 870 et 1880 MHz est utilisée comme antenne GSM et DCS.
- Selon un premier critère, les éléments rayonnants d'une même bande de fréquences sont distants d'une longueur sensiblement égale à 0,95.λm, où λm représente la longueur d'onde moyenne de la bande de fréquences utilisée par ces éléments rayonnants. De fait, il est connu que cette disposition des éléments rayonnants favorise le fonctionnement du dispositif ainsi positionné.
- Selon un deuxième critère, les éléments rayonnants d'un même dispositif sont placés dans un même voisinage, c'est-à-dire qu'ils sont entourés de façon similaire par d'autres éléments rayonnants proches, et par des parois métalliques de cloisonnement dont le rôle est décrit ci-dessous.
- la figure 1 est une vue d'ensemble d'une antenne bi-bande connue GSM / DCS déjà décrite ci-dessus, et
- la figure 2 est une vue d'ensemble d'une antenne tri-bande UMTS / GSM / DCS conforme à l'invention.
- un espacement optimisé (0,95.λm) entre chaque paire d'éléments rayonnants de ce dispositif, et
- un voisinage identique pour tout élément rayonnant pour une même bande de fréquences.
Claims (6)
- Antenne (50) de radio transmission, notamment dans le domaine des télécommunication cellulaires, comprenant des premiers, deuxièmes, et troisièmes éléments rayonnants (54, 56, 52) aptes à fonctionner respectivement dans trois bandes de fréquence différentes ; caractérisée en ce que sa structure est périodique le long d'un axe longitudinal (61) ; et en ce que, dans chaque module de sa structure, un premier des éléments rayonnant (54) est placé au centre d'un quadrilatère dont deux sommets voisins sont occupés chacun par un des deuxièmes éléments rayonnants (56) et dont les deux autres sommets sont occupés chacun par un des troisièmes éléments rayonnants (52).
- Antenne selon la revendication 1, caractérisée en ce que les éléments rayonnants (54, 56, 52) sont alignés respectivement en trois rangées parallèles entre elles et parallèles à l'axe longitudinal (61) de l'antenne (50), ces trois rangées correspondant respectivement aux trois bandes.
- Antenne selon la revendication 1, caractérisée en ce que deux éléments rayonnants (52) voisins et aptes à fonctionner dans une même bande de fréquences sont séparés d'une distance de 0,95 x λm, où λm représente la longueur d'onde moyenne de la bande de fréquences.
- Antenne selon la revendication 1, caractérisée en ce que, dans chaque module, les deuxièmes éléments rayonnants (52) et les troisièmes éléments rayonnants (56) sont placés respectivement dans deux enceintes cloisonnées.
- Antenne selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend des éléments rayonnants (52, 54, 56) aptes à fonctionner respectivement dans la bande de fréquences DCS, 1710-1880 MHz, la bande de fréquences GSM, 870-960 MHz, et la bande de fréquences UMTS, 1900-2170 MHz.
- Antenne selon la revendication 5, caractérisée en ce que chaque module comprend un élément rayonnant GSM (54), une paire d'éléments rayonnants UMTS (52), une paire d'éléments rayonnants DCS (56) ; ces deux paires étant placées de façon à définir approximativement un rectangle au centre duquel est placé l'élément rayonnant GSM (54).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0104256A FR2823017B1 (fr) | 2001-03-29 | 2001-03-29 | Antenne multibande de telecommunications |
| FR0104256 | 2001-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1246298A1 true EP1246298A1 (fr) | 2002-10-02 |
| EP1246298B1 EP1246298B1 (fr) | 2014-07-23 |
Family
ID=8861693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02290299.3A Expired - Lifetime EP1246298B1 (fr) | 2001-03-29 | 2002-02-07 | Antenne multibande de télécommunications |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6646611B2 (fr) |
| EP (1) | EP1246298B1 (fr) |
| CN (1) | CN1264365C (fr) |
| ES (1) | ES2507547T3 (fr) |
| FR (1) | FR2823017B1 (fr) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101228665A (zh) * | 2005-07-22 | 2008-07-23 | 动力波技术瑞典股份公司 | 具有交错天线元的天线装置 |
| EP2256860A1 (fr) * | 2009-05-26 | 2010-12-01 | Alcatel Lucent | Réseau d'antenne |
| WO2012057674A1 (fr) * | 2010-10-28 | 2012-05-03 | Cellmax Technologies Ab | Système d'antenne |
| EP2201697A4 (fr) * | 2007-10-15 | 2013-08-21 | Jaybeam Wireless | Antenne de station de base avec des structures de mise en forme de faisceau |
| WO2014118011A1 (fr) * | 2013-01-31 | 2014-08-07 | Cellmax Technologies Ab | Agencement d'antennes et station de base |
| EP2887454A1 (fr) * | 2013-12-20 | 2015-06-24 | Alcatel- Lucent Shanghai Bell Co., Ltd | Système d'antennes panneau à impact visuel réduit |
| CN101228665B (zh) * | 2005-07-22 | 2016-12-14 | 英特尔公司 | 具有交错天线元的天线装置 |
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| US6717555B2 (en) * | 2001-03-20 | 2004-04-06 | Andrew Corporation | Antenna array |
| US6646614B2 (en) * | 2001-11-07 | 2003-11-11 | Harris Corporation | Multi-frequency band antenna and related methods |
| US6816124B2 (en) * | 2001-11-07 | 2004-11-09 | Ems Technologies, Inc. | Linearly-polarized dual-band base-station antenna |
| DE10256960B3 (de) * | 2002-12-05 | 2004-07-29 | Kathrein-Werke Kg | Zweidimensionales Antennen-Array |
| US7050005B2 (en) * | 2002-12-05 | 2006-05-23 | Kathrein-Werke Kg | Two-dimensional antenna array |
| US7358922B2 (en) * | 2002-12-13 | 2008-04-15 | Commscope, Inc. Of North Carolina | Directed dipole antenna |
| US6924776B2 (en) * | 2003-07-03 | 2005-08-02 | Andrew Corporation | Wideband dual polarized base station antenna offering optimized horizontal beam radiation patterns and variable vertical beam tilt |
| DE10316786A1 (de) * | 2003-04-11 | 2004-11-18 | Kathrein-Werke Kg | Reflektor, insbesondere für eine Mobilfunk-Antenne |
| DE10316787A1 (de) * | 2003-04-11 | 2004-11-11 | Kathrein-Werke Kg | Reflektor, insbesondere für eine Mobilfunk-Antenne |
| FR2863110B1 (fr) * | 2003-12-01 | 2006-05-05 | Arialcom | Antenne en reseau multi-bande a double polarisation |
| FR2863111B1 (fr) * | 2003-12-01 | 2006-04-14 | Jacquelot | Antenne en reseau multi-bande a double polarisation |
| ATE390731T1 (de) * | 2004-02-20 | 2008-04-15 | Alcatel Lucent | Dualpolarisiertes antennenmodul |
| US8184062B2 (en) * | 2005-03-09 | 2012-05-22 | Xirrus, Inc. | Wireless local area network antenna array |
| WO2007042938A2 (fr) | 2005-10-14 | 2007-04-19 | Fractus, Sa | Batterie d'antennes minces triple bande pour stations de base cellulaires |
| SE529885C2 (sv) * | 2006-05-22 | 2007-12-18 | Powerwave Technologies Sweden | Dubbelbandsantennarrangemang |
| US9088907B2 (en) * | 2007-06-18 | 2015-07-21 | Xirrus, Inc. | Node fault identification in wireless LAN access points |
| US8482478B2 (en) * | 2008-11-12 | 2013-07-09 | Xirrus, Inc. | MIMO antenna system |
| EP2226890A1 (fr) * | 2009-03-03 | 2010-09-08 | Hitachi Cable, Ltd. | Antenne de station de base à communication mobile |
| EP2471142A4 (fr) * | 2009-08-26 | 2017-08-23 | Amphenol Corporation | Dispositif et procédé de commande de largeur azimutale d'un faisceau sur une large plage de fréquences |
| JP5661423B2 (ja) * | 2010-10-28 | 2015-01-28 | 株式会社デンソー | レーダ装置 |
| CN102299398B (zh) * | 2011-05-20 | 2013-12-25 | 广东通宇通讯股份有限公司 | 一种双频双极化天线 |
| US8830854B2 (en) | 2011-07-28 | 2014-09-09 | Xirrus, Inc. | System and method for managing parallel processing of network packets in a wireless access device |
| US8868002B2 (en) | 2011-08-31 | 2014-10-21 | Xirrus, Inc. | System and method for conducting wireless site surveys |
| US9055450B2 (en) | 2011-09-23 | 2015-06-09 | Xirrus, Inc. | System and method for determining the location of a station in a wireless environment |
| SE536854C2 (sv) * | 2013-01-31 | 2014-10-07 | Cellmax Technologies Ab | Antennarrangemang och basstation |
| ES2730961T3 (es) * | 2013-02-22 | 2019-11-13 | Quintel Cayman Ltd | Agrupación de antenas múltiple |
| TWM485521U (zh) * | 2014-05-09 | 2014-09-01 | Gemtek Technology Co Ltd | 多頻段天線 |
| CN107078390B (zh) | 2014-11-18 | 2021-02-26 | 康普技术有限责任公司 | 用于多频带辐射阵列的掩蔽的低频带元件 |
| US10148012B2 (en) * | 2015-02-13 | 2018-12-04 | Commscope Technologies Llc | Base station antenna with dummy elements between subarrays |
| WO2017091307A1 (fr) | 2015-11-25 | 2017-06-01 | Commscope Technologies Llc | Antennes réseau à commande de phase comportant des unités de découplage |
| CN107275804B (zh) * | 2016-04-08 | 2022-03-04 | 康普技术有限责任公司 | 移除共模共振(cmr)和差模共振(dmr)的多频带天线阵列 |
| EP3794675B1 (fr) * | 2018-06-29 | 2024-01-24 | Nokia Shanghai Bell Co., Ltd. | Structure d'antenne multibande |
| WO2020190863A1 (fr) | 2019-03-21 | 2020-09-24 | Commscope Technologies Llc | Antennes de station de base comprenant des ensembles passifs pour améliorer les performances de discrimination par polarisations croisées |
| EP3949013A2 (fr) * | 2019-03-26 | 2022-02-09 | Telefonaktiebolaget LM Ericsson (publ) | Élément rayonnant d'antenne frasera (far) pour antennes réseau 5g |
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| KR0185962B1 (ko) * | 1995-03-03 | 1999-05-15 | 구관영 | 안테나 측면 복사에너지를 최소화한 안테나 |
| US5629713A (en) * | 1995-05-17 | 1997-05-13 | Allen Telecom Group, Inc. | Horizontally polarized antenna array having extended E-plane beam width and method for accomplishing beam width extension |
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2001
- 2001-03-29 FR FR0104256A patent/FR2823017B1/fr not_active Expired - Fee Related
-
2002
- 2002-02-07 EP EP02290299.3A patent/EP1246298B1/fr not_active Expired - Lifetime
- 2002-02-07 ES ES02290299.3T patent/ES2507547T3/es not_active Expired - Lifetime
- 2002-03-05 US US10/087,836 patent/US6646611B2/en not_active Expired - Lifetime
- 2002-03-28 CN CNB02108310XA patent/CN1264365C/zh not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5841401A (en) * | 1996-08-16 | 1998-11-24 | Raytheon Company | Printed circuit antenna |
| US5952983A (en) * | 1997-05-14 | 1999-09-14 | Andrew Corporation | High isolation dual polarized antenna system using dipole radiating elements |
| US6028563A (en) * | 1997-07-03 | 2000-02-22 | Alcatel | Dual polarized cross bow tie dipole antenna having integrated airline feed |
| WO1999062139A1 (fr) * | 1998-05-27 | 1999-12-02 | Kathrein Werke Kg | Antenne multigamme a polarisation double |
| US6211841B1 (en) * | 1999-12-28 | 2001-04-03 | Nortel Networks Limited | Multi-band cellular basestation antenna |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101228665A (zh) * | 2005-07-22 | 2008-07-23 | 动力波技术瑞典股份公司 | 具有交错天线元的天线装置 |
| CN101228665B (zh) * | 2005-07-22 | 2016-12-14 | 英特尔公司 | 具有交错天线元的天线装置 |
| CN107425296A (zh) * | 2005-07-22 | 2017-12-01 | 英特尔公司 | 具有交错天线元的天线装置 |
| EP2201697A4 (fr) * | 2007-10-15 | 2013-08-21 | Jaybeam Wireless | Antenne de station de base avec des structures de mise en forme de faisceau |
| EP2256860A1 (fr) * | 2009-05-26 | 2010-12-01 | Alcatel Lucent | Réseau d'antenne |
| WO2010136099A1 (fr) * | 2009-05-26 | 2010-12-02 | Alcatal Lucent | Matrice d'antennes |
| WO2012057674A1 (fr) * | 2010-10-28 | 2012-05-03 | Cellmax Technologies Ab | Système d'antenne |
| US9531082B2 (en) | 2010-10-28 | 2016-12-27 | Cellmax Technologies Ab | Antenna arrangement |
| WO2014118011A1 (fr) * | 2013-01-31 | 2014-08-07 | Cellmax Technologies Ab | Agencement d'antennes et station de base |
| AU2014211633B2 (en) * | 2013-01-31 | 2017-08-03 | Cellmax Technologies Ab | An antenna arrangement and a base station |
| EP2887454A1 (fr) * | 2013-12-20 | 2015-06-24 | Alcatel- Lucent Shanghai Bell Co., Ltd | Système d'antennes panneau à impact visuel réduit |
Also Published As
| Publication number | Publication date |
|---|---|
| US20020140618A1 (en) | 2002-10-03 |
| CN1264365C (zh) | 2006-07-12 |
| CN1379606A (zh) | 2002-11-13 |
| FR2823017A1 (fr) | 2002-10-04 |
| ES2507547T3 (es) | 2014-10-15 |
| US6646611B2 (en) | 2003-11-11 |
| FR2823017B1 (fr) | 2005-05-20 |
| EP1246298B1 (fr) | 2014-07-23 |
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