EP1482591A1 - Method and system for the installation of an antenna on a roof - Google Patents

Method and system for the installation of an antenna on a roof Download PDF

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Publication number
EP1482591A1
EP1482591A1 EP20030076698 EP03076698A EP1482591A1 EP 1482591 A1 EP1482591 A1 EP 1482591A1 EP 20030076698 EP20030076698 EP 20030076698 EP 03076698 A EP03076698 A EP 03076698A EP 1482591 A1 EP1482591 A1 EP 1482591A1
Authority
EP
European Patent Office
Prior art keywords
antenna
roof
base frame
longitudinal girder
cabinet
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.)
Ceased
Application number
EP20030076698
Other languages
German (de)
French (fr)
Inventor
Rolf Niefind
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.)
E Plus Mobilfunk GmbH and Co KG
Original Assignee
Koninklijke KPN NV
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 Koninklijke KPN NV filed Critical Koninklijke KPN NV
Priority to EP20030076698 priority Critical patent/EP1482591A1/en
Publication of EP1482591A1 publication Critical patent/EP1482591A1/en
Ceased legal-status Critical Current

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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
    • H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
    • H01Q1/1221—Supports; Mounting means for fastening a rigid aerial element onto a wall

Definitions

  • the invention relates to installing antennas on a roof. More specifically the invention relates to installing an antenna for mobile communications, where the antenna can be placed near a cabinet without having to drill holes in the roof.
  • Antennas for mobile communications are often placed on high places to achieve better coverage.
  • the roof of a building is an ideal place for such antennas.
  • Antennas are mounted on the roof by securely connecting them to the roof using bolts.
  • a disadvantage of such mounting is that holes have to be made in the roof, possibly damaging it.
  • Antennas are placed at the edges or in the corners of a roof to avoid creating a shadow in the coverage.
  • the roof itself can create this shadow because it is blocking the signals of the antenna.
  • objects on the roof, even other antennas, can create a shadow.
  • a disadvantage of placing antennas at the edges or in the corners of the roof is that there need to be installed cables and cable paths to the cabinet, which is usually placed somewhere more to the middle of the roof. The cables create a path loss which has to be compensated by installing a mast head amplifier to the antenna. Because the antennas are at dangerous places special safety facilities must be arranged, such as e.g. a fence or roof lights. To be able to withstand lightning special arrangements have to be made as well, like grounding the antennas and install grounding cables over the roof.
  • the aim of the invention is to overcome the disadvantages as described above. There should be a solution to place an antenna securely to a roof without having to drill holes and use bolts. Moreover the antenna should be installable near the cabinet of the antenna.
  • the present invention provides a solution for installing an antenna securely to a roof near the cabinet of the antenna, without having to drill holes and use bolts.
  • a method and system are provided for installing an antenna on a roof.
  • the method can comprise the following steps or a subset of the following steps:
  • the longitudinal girder (1) can be placed so that drilling of holes is not necessary, since the construction elements are clipped together.
  • the idea is now to add a cantilever (2) and a central top mast (4) and thus create a compact unit.
  • the central mast should not exceed a height of 6 metres.

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  • Support Of Aerials (AREA)

Abstract

Method and system for the installation of an antenna on a roof. More specifically the invention relates to installing an antenna for mobile communications, where the antenna can be placed near a cabinet without having to drill holes in the roof.

Description

    Field of the invention
  • The invention relates to installing antennas on a roof. More specifically the invention relates to installing an antenna for mobile communications, where the antenna can be placed near a cabinet without having to drill holes in the roof.
    • Background of the invention
  • Antennas for mobile communications are often placed on high places to achieve better coverage. The roof of a building is an ideal place for such antennas. Antennas are mounted on the roof by securely connecting them to the roof using bolts. A disadvantage of such mounting is that holes have to be made in the roof, possibly damaging it. It is also possible to place an antenna without fixating it to the roof by applying a heavy weight to the bottom of the antenna, comparable to how a parasol can be placed on the ground. This solution is not secure enough, since heavy weather conditions can make the antenna flip over.
  • Antennas are placed at the edges or in the corners of a roof to avoid creating a shadow in the coverage. The roof itself can create this shadow because it is blocking the signals of the antenna. Also objects on the roof, even other antennas, can create a shadow. A disadvantage of placing antennas at the edges or in the corners of the roof is that there need to be installed cables and cable paths to the cabinet, which is usually placed somewhere more to the middle of the roof. The cables create a path loss which has to be compensated by installing a mast head amplifier to the antenna. Because the antennas are at dangerous places special safety facilities must be arranged, such as e.g. a fence or roof lights. To be able to withstand lightning special arrangements have to be made as well, like grounding the antennas and install grounding cables over the roof.
    • Problem definition
  • There are no solutions to place an antenna securely without having to drill holes in a roof and secure the antenna with bolts. Moreover there is no solution to do this near the cabinet of the antenna, instead of at the edge or in the corner of the roof.
    • Aim of the invention
  • The aim of the invention is to overcome the disadvantages as described above. There should be a solution to place an antenna securely to a roof without having to drill holes and use bolts. Moreover the antenna should be installable near the cabinet of the antenna.
    • Summary of the invention
  • The present invention provides a solution for installing an antenna securely to a roof near the cabinet of the antenna, without having to drill holes and use bolts.
  • According to an aspect of the invention a method and system are provided for installing an antenna on a roof. The method can comprise the following steps or a subset of the following steps:
    • Placing a longitudinal girder by frictionally connecting the longitudinal girder to a base frame. It is also possible that the longitudinal girder is clamped to the base frame. The base frame can be a base frame to which a cabinet of the antenna is connected.
    • Connecting a cantilever and a central top mast to the longitudinal girder. The top mast can have a maximum height of 6 meters.
    The system can comprise:
    • A longitudinal girder which is frictionally connected to a base frame. It is also possible that the longitudinal girder is clamped to the base frame. The base frame can be a base frame to which a cabinet of the antenna is connected.
    • A cantilever and a central top mast which are connected to the longitudinal girder. The top mast can have a maximum height of 6 meters.
    Brief description of the drawings
  • The invention will be explained in greater detail by reference to exemplary embodiments shown in the drawings, in which:
  • Fig.1 shows a top view of an antenna installation according to an embodiment of the invention.
  • Fig.2 shows a side view of an antenna installation according to an embodiment of the invention.
    • Detailed description of the invention
  • For the purpose of teaching of the invention, preferred embodiments of the method and system of the invention are described in the sequel. It will be apparent to the person skilled in the art that other alternative and equivalent embodiments of the invention can be conceived and reduced to practice without departing from the true spirit of the invention, the scope of the invention being only limited by the claims as finally granted.
    • Preferred embodiment
  • The longitudinal girder (1) can be placed so that drilling of holes is not necessary, since the construction elements are clipped together.
    The idea is now to add a cantilever (2) and a central top mast (4) and thus create a compact unit.
    The central mast should not exceed a height of 6 metres.
  • This combination has become possible due to coverage measurements, which have proved that the area to be kept free of obstacles on the roof of the building can be considerably smaller than originally assumed, in order to cover areas with many buildings. Should the coverage be shadowed it can be filled with reflections. Thus lower antennas can be set up even behind antennas of other network operators.
  • With this compact combination base frame considerable infrastructure costs can be saved
    • antenna cables between cabinet and antenna girder
    • cable paths
    • mast head amplifier
    • paths to the corner pole
    • safety facilities
    • roof lights
    • various lightning protection devices

Claims (8)

  1. A method for installing an antenna in which the method comprises the following steps
    placing a longitudinal girder (1) by frictionally connecting the longitudinal girder to a base frame (3);
    connecting a cantilever (2) and a central top mast (4) to the longitudinal girder (1).
  2. Method according to claim 1 in which the longitudinal girder (1) is clamped to the base frame.
  3. Method according to claim 1 or 2 in which the central top mast (4) has a maximum height of 6 meters.
  4. Method according to claims 1-3 in which the base frame (3) is a base frame to which a cabinet (5) of the antenna is connected.
  5. A system for installing an antenna in which the system comprises
    a longitudinal girder (1) which is frictionally connected to a base frame (3);
    a cantilever (2) and a central top mast (4) which are connected to the longitudinal girder (1).
  6. System according to claim 5 in which the longitudinal girder (1) is clamped to the base frame (3).
  7. System according to claim 5 or 6 in which the central top mast (4) has a maximum height of 6 meters.
  8. System according to claims 5-7 in which the base frame (3) is a base frame to which a cabinet (5) of the antenna is connected.
EP20030076698 2003-05-28 2003-05-28 Method and system for the installation of an antenna on a roof Ceased EP1482591A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20030076698 EP1482591A1 (en) 2003-05-28 2003-05-28 Method and system for the installation of an antenna on a roof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20030076698 EP1482591A1 (en) 2003-05-28 2003-05-28 Method and system for the installation of an antenna on a roof

Publications (1)

Publication Number Publication Date
EP1482591A1 true EP1482591A1 (en) 2004-12-01

Family

ID=33104145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030076698 Ceased EP1482591A1 (en) 2003-05-28 2003-05-28 Method and system for the installation of an antenna on a roof

Country Status (1)

Country Link
EP (1) EP1482591A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649675A (en) * 1985-11-12 1987-03-17 M/A-Com Nonpenetrating roof mount for antenna
WO1993017208A1 (en) * 1992-02-28 1993-09-02 Cue Dee Produkter Ab A mast base, especially for a temporarily erected mast
US6058299A (en) * 1997-11-07 2000-05-02 Lyseng; Merlin Remote telecommunications assembly
DE10000884A1 (en) * 2000-01-12 2001-08-09 Reinhold Korfluer Rafter holder for attaching satellite dish etc. to sloping roof comprises base releasably attached to two parallel rails
WO2002031910A1 (en) * 2000-09-15 2002-04-18 Tkt Mobile Systems B.V. Antenna platform
DE20214370U1 (en) * 2002-02-25 2003-01-02 Battel Peter supporting structure
WO2003001628A2 (en) * 2001-06-22 2003-01-03 Johann Banzhaf Method and securing device for securing supports on roofs

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649675A (en) * 1985-11-12 1987-03-17 M/A-Com Nonpenetrating roof mount for antenna
WO1993017208A1 (en) * 1992-02-28 1993-09-02 Cue Dee Produkter Ab A mast base, especially for a temporarily erected mast
US6058299A (en) * 1997-11-07 2000-05-02 Lyseng; Merlin Remote telecommunications assembly
DE10000884A1 (en) * 2000-01-12 2001-08-09 Reinhold Korfluer Rafter holder for attaching satellite dish etc. to sloping roof comprises base releasably attached to two parallel rails
WO2002031910A1 (en) * 2000-09-15 2002-04-18 Tkt Mobile Systems B.V. Antenna platform
WO2003001628A2 (en) * 2001-06-22 2003-01-03 Johann Banzhaf Method and securing device for securing supports on roofs
DE20214370U1 (en) * 2002-02-25 2003-01-02 Battel Peter supporting structure

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Owner name: E-PLUS MOBILFUNK GMBH & CO. KG

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