CA2408272A1 - Improved rf shielding of a radio base station - Google Patents

Improved rf shielding of a radio base station Download PDF

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Publication number
CA2408272A1
CA2408272A1 CA002408272A CA2408272A CA2408272A1 CA 2408272 A1 CA2408272 A1 CA 2408272A1 CA 002408272 A CA002408272 A CA 002408272A CA 2408272 A CA2408272 A CA 2408272A CA 2408272 A1 CA2408272 A1 CA 2408272A1
Authority
CA
Canada
Prior art keywords
radio transceivers
horn antennas
high isolation
parabolic horn
collocated radio
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
Application number
CA002408272A
Other languages
French (fr)
Other versions
CA2408272C (en
Inventor
Joseph Bobier
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.)
Vislink Technologies Inc
Original Assignee
Idigi Technologies Inc.
Joseph Bobier
Xg Technology, Llc
Xg Technology, 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 Idigi Technologies Inc., Joseph Bobier, Xg Technology, Llc, Xg Technology, Inc. filed Critical Idigi Technologies Inc.
Publication of CA2408272A1 publication Critical patent/CA2408272A1/en
Application granted granted Critical
Publication of CA2408272C publication Critical patent/CA2408272C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • 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
    • 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
    • H01Q19/12—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 wherein the surfaces are concave
    • H01Q19/13—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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/138—Parallel-plate feeds, e.g. pill-box, cheese aerials

Abstract

A design and deployment of collocated radio transievers for high-speed wireless Internet access accomplished by increased isolation brought about b y wrapping each transiever in a shield of mild steel, enclosing collocated transievers and associated equipment in non-reflective enclosures, use of lo w loss RF coaxial cables, and use of high isolation parabolic horn antennas.</ SDOAB>

Claims (5)

1. An arrangement in the design and deployment of collocated radio transceivers and associated equipment for high-speed wireless Internet access comprising shield wraps, said shield wraps individually enclosing each of at least two radio transceivers, said shield wraps being stackable one on top another such that said enclosed and stacked radio transceivers become collocated radio transceivers, a non-reflective enclosure, said non-reflective enclosure surrounding said collocated radio transceivers and associated equipment, low loss RF coaxial cables, said low loss RF
coaxial cables being used to electrically connect said collocated radio transceivers to a source of information such that information can be transferred from said source to said collocated radio transceivers and from said collocated radio transceivers to said source, high isolation parabolic horn antennas, said high isolation parabolic horn antennas being generally cone shaped, said high isolation parabolic horn antennas being solid reflector on all sides except the front, said high isolation parabolic horn antennas having radiation patterns wider in the horizontal angle than in the vertical angle, said high isolation parabolic horn antennas having rear reflecting portions in the shape of a true parabola with probes located at the focal point of the parabola, and, said high isolation parabolic horn antennas being electrically connected by said low loss RF cables to said collocated radio transceivers such that information transferred from said collocated radio transceivers can be transmitted from said high isolation parabolic horn antennas and information captured by said high isolation parabolic horn antennas can be transferred to said collocated radio transceivers.
2. An arrangement as claimed in claim 1, wherein said shield wrap being constructed of mild steel.
3. An arrangement as claimed in Claim 1, wherein said non-reflecting enclosure being made of fiberglass.
4. An arrangement as claimed in Claims 1 to 3, wherein said high isolation parabolic horn antennas being constructed of mild steel.
5. An arrangement as claimed in Claim 4, wherein said high isolation parabolic horn antennas having adjustable vertical sides allowing for adjustment of horizontal beam width.
CA2408272A 2000-05-16 2001-05-14 Improved rf shielding of a radio base station Expired - Fee Related CA2408272C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US20440100P 2000-05-16 2000-05-16
US60/204,401 2000-05-16
US09/742,526 US6405058B2 (en) 2000-05-16 2000-12-20 Wireless high-speed internet access system allowing multiple radio base stations in close confinement
US09/742,526 2000-12-20
PCT/US2001/015513 WO2001089035A1 (en) 2000-05-16 2001-05-14 Improved rf shielding of a radio base station

Publications (2)

Publication Number Publication Date
CA2408272A1 true CA2408272A1 (en) 2001-11-22
CA2408272C CA2408272C (en) 2010-04-13

Family

ID=26899443

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2408272A Expired - Fee Related CA2408272C (en) 2000-05-16 2001-05-14 Improved rf shielding of a radio base station

Country Status (9)

Country Link
US (1) US6405058B2 (en)
EP (1) EP1287586B1 (en)
AT (1) ATE430999T1 (en)
AU (2) AU2001259766B2 (en)
CA (1) CA2408272C (en)
DE (1) DE60138617D1 (en)
ES (1) ES2327027T3 (en)
IS (1) IS6611A (en)
WO (1) WO2001089035A1 (en)

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Also Published As

Publication number Publication date
AU2001259766B2 (en) 2005-02-17
ATE430999T1 (en) 2009-05-15
US20010036814A1 (en) 2001-11-01
EP1287586A1 (en) 2003-03-05
US6405058B2 (en) 2002-06-11
ES2327027T3 (en) 2009-10-23
DE60138617D1 (en) 2009-06-18
AU5976601A (en) 2001-11-26
CA2408272C (en) 2010-04-13
EP1287586B1 (en) 2009-05-06
IS6611A (en) 2002-11-12
WO2001089035A1 (en) 2001-11-22

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MKLA Lapsed

Effective date: 20170515