EP1702387B1 - Antennenstrahlsteuervorrichtung für basis-sender/empfänger-stationsantennen - Google Patents

Antennenstrahlsteuervorrichtung für basis-sender/empfänger-stationsantennen Download PDF

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Publication number
EP1702387B1
EP1702387B1 EP04736152.2A EP04736152A EP1702387B1 EP 1702387 B1 EP1702387 B1 EP 1702387B1 EP 04736152 A EP04736152 A EP 04736152A EP 1702387 B1 EP1702387 B1 EP 1702387B1
Authority
EP
European Patent Office
Prior art keywords
antenna
reflection plate
control apparatus
beam control
antenna beam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04736152.2A
Other languages
English (en)
French (fr)
Other versions
EP1702387A4 (de
EP1702387A1 (de
Inventor
Duk-Yong Kim
Yoon-Yong 315-304 Cheongmyeongmaeul Dongsin KIM
Young-Chan 105-503 Neulpureun Byucksan APT MOON
Jong-Sung 303-1706 Kumhwamaeul Jugong APT. KIM
Seong-Man Kang
Taek-Dong Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KMW Inc
Original Assignee
KMW Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KMW Inc filed Critical KMW Inc
Publication of EP1702387A1 publication Critical patent/EP1702387A1/de
Publication of EP1702387A4 publication Critical patent/EP1702387A4/de
Application granted granted Critical
Publication of EP1702387B1 publication Critical patent/EP1702387B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/104—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
    • 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
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
    • 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
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation

Definitions

  • the present invention relates to base transceiver station antennas, and more particularly to an antenna beam control apparatus for base transceiver station antennas, which can enable the remote control of a horizontal azimuth angle of an antenna beam in correspondence to variation in environment of electromagnetic waves.
  • the antennas are mainly installed on the roof of buildings in highly-developed urban areas or to steel towers for base transceiver stations located in the suburbs, in order to maximize a travel distance of electromagnetic waves.
  • Such antenna clamping devices for fixing antennas to wall surfaces or high antenna structures have a serious problem in relation to installation thereof. That is, in most cases, the clamping devices may threaten worker safety since they require for a worker to perform installation operations using both hands for a long time in a considerably dangerous position standing on the high antenna structures. Furthermore, in order to vertically or horizontally displace the installed antennas, the worker has to start the installation operations all over again.
  • Fig. 1 is a perspective view illustrating a conventional antenna beam control apparatus for base transceiver station antennas.
  • the conventional antenna beam control apparatus comprises an antenna 10 containing a reflection plate (not shown) for transmitting and receiving electromagnetic waves, a rod-shaped support pole 20 for supporting the antenna 10, an upper connector member 30 for connecting upper sides of the support pole 20 and the antenna 10 to each other, and a lower connector member 40 for connecting lower sides of the support pole 20 and the antenna 10 to each other.
  • the upper connector member 30 is formed at one end thereof with a fixing screw portion 31, which is fixedly fastened to an upper end of the antenna 10.
  • the other end of the upper connector member 30 is formed with an upper clamp 32, which is fixed to the support pole 20.
  • the upper clamp 32 is configured so that a distance between both clamping portions 32b thereof is variable to tighten or loosen the upper clamp 32 according to screwing or unscrewing operations of nuts 32a thereof.
  • the upper connector member 30, additionally, comprises two connecting arms 33 and 34, which are hingedly connected to each other via a joint portion 35 formed at connecting ends thereof. Between the fixing screw portion 31 and the connecting arm 33, and between the upper clamp 32 and the connecting arm 34 are interposed hinge portions 33a and 34a, respectively, so as to secure relative rotation therebetween.
  • the lower connector member 40 is formed at one end thereof with a fixing screw portion 41, which is fixedly fastened to the lower end of the antenna 10.
  • the other end of the lower connector member 40 is formed with a lower clamp 42, which is fixed to the support pole 20.
  • the lower clamp 42 is configured so that a distance between both clamping portions 42b thereof is variable to tighten or loosen the lower clamp 42 according to screwing or unscrewing operations of nuts 42a thereof.
  • the fixing screw portion 41 and the lower clamp 42 are hingedly connected to each other so as to secure relative rotation therebetween.
  • the connecting arm 33 is provided at one lateral surface thereof with an angle display panel 36 for indicating an inclination angle of the antenna 10.
  • the angle display panel 36 has an adjustment slot 36a formed along a center longitudinal axis thereof, and at both sides of the adjustment slot 36a are marked calibrations 36b for indicating the inclination angle.
  • One end of the angle display panel 36 is fixed to the joint portion 35 by means of a fixed screw 35a, which penetrates through one side of the adjustment slot 36a, and the other end of the panel 36 is fixed to the lateral surface of the connecting arm 33 by means of a movable adjustment screw 33b, which penetrates through the other side of the adjustment slot 36a.
  • the adjustment screws 33b and 35a are unscrewed so as to allow the antenna 10 to move according to folding or unfolding operation of the upper connector member 30, in order to adjust the inclination of the antenna 10.
  • the adjustment screws 35a and 33b are screwed to fix the antenna 10.
  • the inclination of the antenna 10 is appreciated upon reading a value of the calibration 36a of the angle display panel 36 coinciding with the movable adjustment screw 33b.
  • a horizontal azimuth angle of an antenna beam namely, a horizontal steering
  • an electrical horizontal steering which is adapted to control and steer the phase of signals to be transmitted to respective reflectors, is performed, it may cause scan loss due to inadvertent change in the direction of the antenna beam, and may increase the generation of side-lobe. Therefore, in case of horizontal steering, it is effective to mechanically rotate an antenna itself in opposite directions.
  • the electrical steering in addition, essentially requires the use of an array antenna wherein reflectors are arranged in at least two rows.
  • Such an array antenna has a problem of causing reduction in a horizontal width of an antenna beam, and excessively increases the size and cost of products.
  • the conventional antenna beam control apparatus for base transceiver station antennas as slated above is very dangerous and troublesome since a worker has to approach an antenna structure for the installation and management of the apparatus. Therefore, it is impossible for the conventional apparatus to frequently change the directivity of an antenna beam.
  • the conventional antenna is configured to be coupled to the support pole by means of the clamping devices attached to the exterior thereof, it requires a large installation space and results in deterioration in the appearance thereof.
  • an electrical down-tilting using a phase shifter can maintain the shape of a horizontal beam, whereas a mechanical down-tilting can control only the center region of the horizontal beam, except for peripheral region of the horizontal beam. Therefore, it can be said that the electrical down-tilting is more effective.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide an antenna beam control apparatus for base transceiver station antennas which can steer a horizontal azimuth angle of an antenna beam by rotating at least one antenna reflection plate about a center axis thereof.
  • Figs. 2 and 3 are sectional views illustrating an antenna beam control apparatus for base transceiver station antennas in accordance with a first embodiment of the present invention
  • Fig. 4 is a plan view of the antenna beam control apparatus.
  • the antenna beam control apparatus comprises: cylindrical upper and lower caps 102 and 101; a motor box 161 used as driving means, which operates by receiving a control signal, thereby providing a rotation force; a bracket 111 which is mounted at an upper surface of the lower cap 101, and internally defines upper and lower receiving spaces, in the lower receiving space being fixedly received the motor box 161; a first bearing 121 configured to be inserted into the upper receiving space of the bracket 111; a first shaft 131 which is fitted at an inner peripheral surface of the first bearing 121 and is adapted to rotate by receiving the rotation force; a second bearing 122 mounted in the upper cap 102; a second shaft 132 which is fitted at an inner peripheral surface of the second bearing 122 and is adapted to rotate by receiving the rotation force; a second gear 142 which is fitted around the first shaft 131 and is adapted to receive the rotation force from the motor box 161; an antenna reflection plate 151 fixedly connected between the first and second shafts 131 and 132, onto which all
  • the motor box 161 contains a motor and a reduction gear coupled to each other, and a first gear 141 is connected to a rotating shaft protruding upward from the interior of the motor box 161.
  • the reduction gear is separable from the motor if necessary.
  • the antenna reflection plate 151 As means for fixing the antenna reflection plate 151, at an upper end of the first shaft 131 and a lower end of the second shaft 132 are provided protrusions, respectively, which are centrally formed with grooves, respectively. As upper and lower ends of the antenna reflection plate 151 are fitted in the grooves of the protrusions, and then are fastened thereto by using screws, the antenna reflection plate 151 is fixed inside the apparatus.
  • the antenna reflection plate 151 is attached to one side of the respective protrusions, and an opposite side of the protrusions is provided with a fixing member, so that the antenna reflection plate 151 is positioned between the protrusions and the fixing member. In this state, as screws are fastened therethrough, the antenna reflection plate 151 is fixed inside the apparatus.
  • the bracket 111 is fixed to an upper surface of the lower cap 101 by fastening screws after the motor box 161 is received therein.
  • the bracket 111 may be substituted for a receiving space centrally defined in the upper cap 102.
  • the motor box 161 may be attached to the upper surface of the lower cap 101 or a lower surface of the upper cap 102.
  • the antenna reflection plate 151 is positioned so that it is centered on the first and second shafts 131 and 132. In this way, the antenna reflection plate 151 is adapted to rotate about the center axis thereof.
  • the driving control unit 171 If the environment of the electromagnetic waves is changed due to an increase in high-storied buildings in the vicinity of base transceiver stations, establishment of new base transceiver stations, or temporary traffic increase, the driving control unit 171 outputs a control signal, namely, a driving voltage to the motor box 161 according to external control signals for optimal cell planning, thereby controlling rotation of the antenna reflection plate 151 in opposite directions.
  • the first gear 141 connected to the rotating shaft, is rotated, and consequently, the second gear 142 connected with the first gear 141 is rotated.
  • the first shaft 131 is rotated.
  • the first bearing 121 acts to facilitate the rotation of the first shaft 131.
  • the antenna reflection plate 151 connected with the first shaft 131, as well as the second shaft 132 rotate together with the first shaft 131. In this way, the antenna reflection plate 151 is rotatable in opposite directions,
  • the antenna reflection plate 151 Since a center portion of the antenna reflection plate 151 is fixed to the first and second shafts 131 and 132, the antenna reflection plate 151 rotates about the center portion thereof.
  • the antenna beam control apparatus is usable as a three-sector antenna, and if six of the apparatus are mounted, the antenna beam control apparatus is usable as a six-sector antenna.
  • the present invention can control a horizontal azimuth angle of all antenna beams to be reflected to respective sectors.
  • the antenna beam control apparatus of the present embodiment comprises: cylindrical upper and lower caps 202 and 201; an antenna reflection plate 251, onto which all constituent components, functioning as an antenna, are mounted to transmit and receive electromagnetic waves; a support pole 211 fixedly connected between the upper and lower caps 202 and 201; a first bearing 221 used as a rotator, which is fitted around a lower portion of the support pole 221; a first fixing member 231 for fixing the first bearing 221; a second gear 242 which is fitted around an outer peripheral surface of the first bearing 221 and adapted to rotate by receiving a rotation force; a third bearing 223 fitted to an upper end region of the support pole 211; a second bearing 222 fitted to a certain region between the third and first bearings 223 and 221; second and
  • the first fixing member 231 consists of a pair of cylindrical prominent and depressed sections.
  • the motor box 261 contains a motor and a reduction gear coupled to each other, and a first gear 241 is connected to a rotating shaft protruding upward from the interior of the motor box 161.
  • the reduction gear is separable from the motor if necessary.
  • the second gear 242 may be selected from among various kinds of gears in consideration of a gear ratio with the first gear 241.
  • the second gear 242 has a fan-shaped hole, and along an outer periphery and a center portion of the second gear 242 is formed a groove for supporting the antenna reflection plate 251.
  • gear teeth At an inner peripheral surface of the fan-shaped hole defined in the second gear 242 is formed gear teeth, thereby allowing the inner peripheral surface of the second gear 242 to engage and rotate together with an outer peripheral surface of the first gear 241.
  • the antenna reflection plate 251 is supported by the first and second clamps 291 and 292, and is fixed at an upper surface of the second gear 242.
  • each of the first and second clamps 291 and 292 has three horizontal protrusions, which extend toward the antenna reflection plate 261 so as to be connected to three points placed at a rear surface of the antenna reflection plate 251.
  • the driving control unit 271 outputs a control signal, namely, a driving voltage to the motor box 261 according to external control signals, thereby controlling rotation of the antenna reflection plate 251 in opposite directions.
  • the first gear 241 connected to the rotating shaft is rotated, and consequently, the second gear 242 engaged with the first gear 241 is rotated.
  • the antenna reflection plate 251 fixed at the upper surface of the second gear 242, is rotated. In this way, the antenna reflection plate 251 is rotatable in opposite directions.
  • the antenna reflection plate 251 is supported relative to the support pole 211 by means of the first and second clamps 291 and 292, and the first and second clamps 291 and 292 are fitted around the second and third bearings 222 and 223 used as rotators, the antenna reflection plate 251 is easily rotatable according to the rotation of the second gear 242.
  • the antenna reflection plate 251 is rotatable about the support pole 211.
  • the antenna beam control apparatus is usable as a three-sector antenna, and if six of the apparatus are mounted, the antenna beam control apparatus is usable as a six-sector antenna.
  • the present invention can control a horizontal azimuth angle of all antenna beams to be reflected to respective sectors.
  • the antenna beam control apparatus comprises: cylindrical upper and lower caps 302 and 301; first and second bearings 321 and 322 mounted to the lower and upper caps 301 and 302, respectively, for facilitating rotation; first and second rotating plates 311 and 312 coupled to the first and second bearings 321 and 322, respectively; a second gear 342 which is mounted to the first rotating plate 311 and is adapted to rotate by receiving a rotation force; third and fifth bearings 323 and 325 provided at an upper surface of the first rotating plate 311; fourth and sixth bearings 324 and 326 provided at a lower surface of the second rotating plate 312; first and third shafts 331 and 333 fitted at inner peripheral surfaces of the third and fifth bearings 323 and 325, respectively; second and fourth shafts 332 and 334 fitted at inner
  • the first gear 341, connected to the rotating shaft is rotated, and consequently, the second gear 342 connected with the first gear 241 is rotated.
  • Such a rotation of the second gear 342 causes the rotation of the first rotating plate 311 coupled to the second gear 342.
  • the second rotating plate 312 is rotated.
  • the first and second rotating plates 311 and 312 rotate about a center axis between the first and second antenna reflection plates 351 and 352 in a state they are aligned in a line.
  • the first and second antenna reflection plates 351 and 352 are rotatable in opposite directions while maintaining a constant rotating direction, thereby enabling steering of a horizontal azimuth angle of an antenna beam.
  • the first rotating plate 311 is fitted at the inner peripheral surface of the first bearing 321 used as a rotator, it is easily rotatable.
  • first and second shafts 331 and 332 are coupled with the first antenna reflection plate 351, consequently, the first antenna reflection plate 351 is rotated in opposite directions.
  • first and second shafts 331 and 332 rotate about a center axis of the first antenna reflection plate 351
  • the third and fourth shafts 333 and 334 rotate about a center axis of the second antenna reflection plate 352.
  • the present embodiment furthermore, by tilting the first and second antenna reflection plates 351 and 352, which are originally aligned in a line, to define a certain angle therebetween, it is possible to control a horizontal beam width of an antenna beam.
  • both a horizontal azimuth angle and a horizontal width of an antenna beam can be controlled.
  • the antenna beam control apparatus is usable as a three-sector antenna, and if six of the apparatus are mounted, the antenna beam control apparatus is usable as a six-sector antenna.
  • the antenna reflection plates may comprise a mechanically titable antenna reflection plate, and an electrically tiltable antenna reflection plate.
  • the resultant antenna can function as a hybrid-type antenna capable of electrically steering vertical down-tilting, as well as mechanically steering a horizontal azimuth angle.
  • antenna housings Although there are various kinds of antenna housings, the present invention explains only a structure wherein a cylindrical radome is scaled by upper and lower caps. However, it should be understood that other shapes of antenna housings may be properly applied in the present invention.
  • timing belts may be used.
  • the present invention provides an antenna beam control apparatus for base transceiver station antennas which can enable steering of a horizontal azimuth angle of an antenna beam by allowing at least one antenna reflection plate to be mechanically rotated in opposite directions.
  • the size of products can be generally reduced, and it is possible to achieve eco-friendly products.
  • At least one antenna reflection plate is rotatable in opposite directions through mechanical steering, and thus it forms an electrically tiltable antenna, it is possible to achieve not only vertical down-tilting but also steering of a horizontal azimuth angle by using an array antenna in a single row radiator pattern. This has an effect of reducing the size and manufacturing cost of products.
  • the present invention further, enables the remote control of such a horizontal azimuth angle of the antenna beam.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (4)

  1. Antennenstrahlsteuervorrichtung zum Lenken eines horizontalen Azimut-Winkels für Basis-Sender/Empfänger-Stationsantennen, umfassend:
    eine Antennenreflektionsplatte (151);
    Drehmittel zum Drehen der Antennenreflektionsplatte (151) um eine vertikale Mittelachse davon, wodurch eine Lenkung des horizontalen Azimut-Winkels eines Antennenstrahls ermöglicht wird;
    Antriebsmittel zum Antreiben des Drehmittels, wobei das Antriebsmittel einen Motorkasten (161) umfasst;
    Antriebssteuermittel (171) zum Steuern des Antriebsmittels gemäß externen Steuersignalen; und
    ein Radom (181), welches die Antennenreflektionsplatte und alle der obigen Mittel darin enthält, wobei die Mittelachse der Antennenreflektionsplatte (151) mittig in dem Radom (181) angeordnet ist,
    wobei die Antennenstrahlsteuervorrichtung umfasst:
    eine zylindrische obere und untere Kappe (101, 102), wobei das Radom zwischen der oberen und unteren Kappe (101, 102) angeordnet und damit verbunden ist,
    eine Halterung (111), welche an einer oberen Fläche der unteren Kappe (101) angebracht ist und intern einen oberen und unteren Aufnahmeraum definiert, wobei der Motorkasten (161) fest in dem unteren Aufnahmeraum aufgenommen ist,
    ein erstes Lager (121), welches in dem oberen Aufnahmeraum der Halterung (111) eingesetzt ist,
    eine erste Welle (131), welche in eine Innenumfangsfläche des ersten Lagers (121) eingepasst ist und ausgestaltet ist, sich durch Aufnehmen einer Drehkraft von dem Motorkasten zu drehen,
    ein zweites Lager (122), welches in der oberen Kappe (102) befestigt ist,
    eine zweite Welle (132), welche in eine Innenumfangsflä-che des zweiten Lagers (122) eingepasst ist und ausgestaltet ist, sich durch Aufnehmen der Drehkraft zu drehen, wobei ein oberes Ende der ersten Welle (131) und ein unteres Ende der zweiten Welle (132) jeweils mit Vorsprüngen versehen sind, wobei ein oberes und unteres Ende der Antennenreflektionsplatte (151) in die Vorsprünge eingepasst ist, um die Anten-nenreflektionsplatte (151) zwischen der ersten und zweiten Welle (131, 132) anzuordnen und fest damit zu verbinden.
  2. Antennenstrahlsteuervorrichtung nach Anspruch 1, wobei die Vorsprünge jeweils mittig mit Nuten ausgebildet sind, wobei das obere und untere Ende der Antennenreflektionsplatte (151) in die Nuten der Vorsprünge eingepasst sind.
  3. Antennenstrahlsteuervorrichtung nach Anspruch 1, wobei die Antennenreflektionsplatte (151) an einer Seite der jeweiligen Vorsprünge angebracht ist, wobei eine gegenüberliegende Seite der jeweiligen Vorsprünge mit einem Befestigungselement versehen ist, wobei die Antennenreflektionsplatte (151) zwischen den Vorsprüngen und dem Befestigungselement angeordnet ist.
  4. Antennenstrahlsteuervorrichtung nach einem der vorhergehenden Ansprüche, umfassend ein erstes Zahnrad (141), welches mit einer Drehwelle verbunden ist, welche nach oben von einem Inneren des Motorkastens (161) hervorragt, und ein zweites Zahnrad (142), welches um die erste Welle (131) angebracht ist und ausgestaltet ist, die Drehkraft von dem Motor aufzunehmen, wobei das Untersetzungsgetriebe von dem Motor falls erforderlich trennbar ist.
EP04736152.2A 2003-12-23 2004-06-04 Antennenstrahlsteuervorrichtung für basis-sender/empfänger-stationsantennen Expired - Lifetime EP1702387B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030095761A KR100713202B1 (ko) 2003-12-23 2003-12-23 이동통신 기지국 안테나 빔 제어장치
PCT/KR2004/001344 WO2005062419A1 (en) 2003-12-23 2004-06-04 Antenna beam control apparatus for base transceiver station antennas

Publications (3)

Publication Number Publication Date
EP1702387A1 EP1702387A1 (de) 2006-09-20
EP1702387A4 EP1702387A4 (de) 2008-06-04
EP1702387B1 true EP1702387B1 (de) 2014-04-09

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Application Number Title Priority Date Filing Date
EP04736152.2A Expired - Lifetime EP1702387B1 (de) 2003-12-23 2004-06-04 Antennenstrahlsteuervorrichtung für basis-sender/empfänger-stationsantennen

Country Status (7)

Country Link
EP (1) EP1702387B1 (de)
JP (2) JP4121483B2 (de)
KR (1) KR100713202B1 (de)
AU (1) AU2004304532B2 (de)
BR (1) BRPI0418142B1 (de)
NZ (1) NZ548494A (de)
WO (1) WO2005062419A1 (de)

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KR101471838B1 (ko) * 2013-04-22 2014-12-11 주식회사 감마누 안테나의 레이돔 조립용 캡구조 및 안테나의 레이돔 및 캡 조립방법
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JP2005184769A (ja) 2005-07-07
EP1702387A4 (de) 2008-06-04
BRPI0418142A (pt) 2007-04-17
NZ548494A (en) 2007-11-30
AU2004304532A1 (en) 2005-07-07
JP2008154257A (ja) 2008-07-03
KR20050064401A (ko) 2005-06-29
AU2004304532B2 (en) 2007-12-20
EP1702387A1 (de) 2006-09-20
JP4815574B2 (ja) 2011-11-16
JP4121483B2 (ja) 2008-07-23
BRPI0418142B1 (pt) 2018-02-06
KR100713202B1 (ko) 2007-05-02
WO2005062419A1 (en) 2005-07-07

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