WO2002065655A1 - Method and detachable microwave radio with flat atenna - Google Patents

Method and detachable microwave radio with flat atenna Download PDF

Info

Publication number
WO2002065655A1
WO2002065655A1 PCT/US2002/003190 US0203190W WO02065655A1 WO 2002065655 A1 WO2002065655 A1 WO 2002065655A1 US 0203190 W US0203190 W US 0203190W WO 02065655 A1 WO02065655 A1 WO 02065655A1
Authority
WO
WIPO (PCT)
Prior art keywords
flat antenna
microwave radio
assembly
radio
microwave
Prior art date
Application number
PCT/US2002/003190
Other languages
French (fr)
Other versions
WO2002065655A8 (en
Inventor
Costel Nicolae
Fathy Yowakim
Original Assignee
Harris Corporation
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 Harris Corporation filed Critical Harris Corporation
Publication of WO2002065655A1 publication Critical patent/WO2002065655A1/en
Publication of WO2002065655A8 publication Critical patent/WO2002065655A8/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/088—Quick-releasable antenna elements
    • 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
    • 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
    • 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
    • H01Q1/125—Means for positioning
    • 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

Definitions

  • the present invention relates to point to point microwave communications
  • Microwave radio/antenna assemblies are typically mounted on rooftops or towers
  • radios i.e. two radios are enclosed in a common enclosure
  • Figure 1 is a pictorial representation of a prior art integrated radio and flat antenna.
  • Figure 2 is a partially exploded pictorial view of a flat antenna and radio supported
  • Figure 3 is a partially exploded pictorial view of flat antenna and radio connected
  • Figure 4 is a pictorial view of a split pole mount with the operative connection
  • Figure 5 is an exploded pictorial view of a protected radio system and flat antenna
  • Figure 6 is a pictorial view of a split pole mounted protected radio system and flat
  • the flat antenna 12 may be individually
  • the antenna may be oriented in space for
  • Both the antenna 12 and the radio 18 may be provided with mating
  • operational connectors such as illustrated at 20 and the attachment of the radio 18 to the antenna 12 may be by suitable conventional latches 22. Because the radio is mounted to the antenna 12
  • the radio may be detached from the antenna without disturbing the
  • radio 18 and the flat antenna 12 may both be detachably connected to an interface plate
  • the separately housed radio 18 and antenna 12 made be
  • the less often accessed antenna may be located in a higher and
  • the radio 18 is unprotected, i.e. it has no back-up radio in a stand-by mode to
  • a protected radio may be mounted in any of the ways illustrated for an
  • a protected radio system 50 may comprise an RF
  • the RF combiner may be removed without disturbing the antenna as may the individual radios which comprise the
  • the RF combiner 32 may be
  • brackets 26 either the microwave radio 18 or the flat antenna 12 may be removed and
  • the present invention separates the microwave radio from the flat
  • the flat antenna may be configured to include an interface plate as the back of the
  • microwave radio or flat antenna housing The plates are used to mount the microwave
  • radio or flat antenna to a bracket carrying an opposing interface plate.
  • the bracket carrying an opposing interface plate.
  • the radios may easily be removed and

Abstract

A system and method for mounting microwave radios and flat antennas where the microwave radio (18) and the flat antenna (12) are separable. The separation of the flat antenna and microwave radio allows a protected microwave radio unit to be mounted on the flat antenna thereby ensuring continuous communication.

Description

BACKGROUND OF THE INVENTION
The present invention relates to point to point microwave communications
systems. More specifically, it relates to a flat antenna and microwave radio assembly
wherein the flat antenna is separately mounted from the microwave radio and to a method
of obviating the need to realign the antenna when replacing the radio.
Microwave radio/antenna assemblies are typically mounted on rooftops or towers
where space is a premium and maintenance is dangerous. Known microwave
communication systems generally include a microwave radio integrated with a flat
antenna to form a non-separable assembly. The maintenance cost of such integrated
assemblies is generally high because the entire assembly had to be replaced upon failure
of the radio. Even where the radio and flat antenna are detachable, it has been the
practice to mount the radio to the supporting structure and to detachably mount the flat
antenna to the radio. Failure of the radio required the detaching of the flat antenna from
the radio, supporting the antenna while the radio is detached, replacing the radio and then
reattaching the antenna. This procedure generally disturbs the orientation of the antenna
in space requiring time consuming realignment.
It is known to protect radios, i.e. two radios are enclosed in a common enclosure
with a RF combiner so that the radios operate respectively in a mutually exclusive
active/stand-by mode. The larger size and increased weight of the protected radios only
exacerbates the problems discussed above. Accordingly, it is an object of the present invention to obviate many of the above
problems and to provide a novel system and method for mounting microwave radios and
flat antennas.
It is another object of the present invention to provide a novel system and method
for independently mounting microwave radios and flat antennas.
It is yet another object of the present invention to provide a novel system and
method for removing a microwave radio from a radio and antenna assembly without
disturbing the orientation of the flat antenna in space.
It is still another object of the present invention to provide a novel system and
method for detachably attaching microwave radios and flat antennas within a radio and
antenna assembly.
It is still another object of the present invention to provide a novel system and
method for detachably attaching microwave radios and RF combiners to form a protected
radio assembly.
It is a further object of the present invention to provide a novel system and method
for protecting communications within a microwave radio and flat antenna assembly.
These and many other objects and advantages of the present invention will be
readily apparent to one skilled in the art to which the invention pertains from a perusal of
the claims, the appended drawings, and the following detailed description of the
preferred embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a pictorial representation of a prior art integrated radio and flat antenna.
Figure 2 is a partially exploded pictorial view of a flat antenna and radio supported
by a common bracket.
Figure 3 is a partially exploded pictorial view of flat antenna and radio connected
through an interface plate.
Figure 4 is a pictorial view of a split pole mount with the operative connection
established through a flexible waveguide.
Figure 5 is an exploded pictorial view of a protected radio system and flat antenna
operatively connected through an interface plate.
Figure 6 is a pictorial view of a split pole mounted protected radio system and flat
antenna operatively connected through a flexible wave guide.
DESCRIPTION OF PREFERRED EMBODIMENTS
With reference to the drawings where like numerals represent like components,
and particularly to Figure 1, a prior art fully integrated microwave radio and flat antenna
assembly 10 is depicted. Such assemblies are compact but suffer from the disadvantages
discussed above. As shown in Figure 2, the flat antenna 12 may be individually
packaged and attached to the supporting structure, in this instance a pole 14, by a suitable
conventional bracket 16. In this way, the antenna may be oriented in space for
communication with a desired node and the radio 18 attached to and supported by the
antenna 12. Both the antenna 12 and the radio 18 may be provided with mating
operational connectors such as illustrated at 20 and the attachment of the radio 18 to the antenna 12 may be by suitable conventional latches 22. Because the radio is mounted to
the antenna, the radio may be detached from the antenna without disturbing the
orientation of the antenna in space.
In the embodiment of the present invention depicted in Figure 3, the microwave
radio 18 and the flat antenna 12 may both be detachably connected to an interface plate
24 on opposite sides thereof, the interface plate 24 being supported on the underlying
support structure by any suitable conventional mounting bracket 26. In this embodiment,
the operable connection between the radio 18 and the antenna 12 is made by connection
of the components to the interface plate 24.
As shown in Figure 4, the separately housed radio 18 and antenna 12 made be
individually mounted and operatively connected by a flexible wave guide 30. The ability
to physically separate the radio 18 from the antenna 12 provides additional flexibility in
mounting. For example, the less often accessed antenna may be located in a higher and
less accessible location on the supporting structure and the more often accessed radio
located in a more accessible location.
The radio 18 is unprotected, i.e. it has no back-up radio in a stand-by mode to
become operable in the event of failure. Protected radios enclosed in a single housing are
known, and a protected radio may be mounted in any of the ways illustrated for an
unprotected radio. In addition, a protected radio system 50 may comprise an RF
combiner 32 to which are connected unprotected radios 18. The protected radio system
50 may be directly connected to the antenna 12 with the antenna 12 supported by the
supporting structure by a bracket 26 as shown in Figure 5. The RF combiner may be removed without disturbing the antenna as may the individual radios which comprise the
protected radio system 50 leaving the other radio operational.
Alternatively, and as shown for example in Figure 6, the RF combiner 32 may be
separately mounted from the antenna 12 in any suitable location such as exteriorly on a
pole or interiorly in a conventional rack. In all cases, the operable connection is made
through a flexible wave guide 30.
By mounting the RF combiner 32 and the flat antenna 12 on individual mounting
brackets 26, either the microwave radio 18 or the flat antenna 12 may be removed and
replaced without disturbing the other component. In this configuration the operative
connection between the microwave radio 18 via the RF combiner 32 and the flat antenna
12 is through a flexible waveguide 30.
In one aspect, the present invention separates the microwave radio from the flat
antenna, providing flexibility in mounting and facilitating replacement of the radio
without disturbing the orientation of the antenna in space. This separation is also
possible with protected radio systems and the operative connection may be made with a
flexible waveguide.
Using interface plates increases the ease and convenience of maintaining a radio
and antenna assembly with a separate radio and flat antenna. Both the microwave radio
and the flat antenna may be configured to include an interface plate as the back of the
microwave radio or flat antenna housing. The plates are used to mount the microwave
radio or flat antenna to a bracket carrying an opposing interface plate. Alternatively, the
components may be combined into a single interface plate to which both the antenna and radios may connect. In all configurations, the radios may easily be removed and
replaced.
No longer does the fully integrated design of known assemblies prevent the use of
flat antennas with protected radio systems. The non-separable prior art assembly did not
accommodate the use of an RF combiner, and therefore, a point to point microwave
communications system with a flat antenna could not utilize a protected radio system to
ensure continuous communication.
While preferred embodiments of the present invention have been described, it is to
be understood that the embodiments described are illustrative only and that the scope of
the invention is to be defined solely by the appended claims when accorded a full range
of equivalence, many variations and modifications naturally occurring to those of skill in
the art from a perusal hereof.

Claims

WHAT IS CLAIMED IS:
1. In a point-to-point microwave communications system comprising an
assembly with a flat antenna having a predetermined orientation in space and operatively
connected to a radio, the improvement wherein the mounting of the microwave radio is
independent of the mounting of the flat antenna so that the microwave radio may be
removed from the assembly and replaced without disturbing the orientation of the flat
antenna.
2. A flat antenna and microwave radio assembly for a point to point
communications system, said assembly comprising:
a bracket adapted for attachment to a supporting structure;
a flat antenna mounted on said mounting bracket so as to provide a predetermined
orientation of said flat antenna in space;
a microwave radio detachably mounted on said bracket independently of the
mounting of said flat antenna on said bracket so that said microwave radio may be
selectively removed from the assembly and replaced without disturbing the orientation of
said flat antenna in space; and
means for operatively connecting said flat antenna to said microwave radio.
3. The flat antenna and microwave assembly of Claim 2 wherein said bracket
includes a single arm,
wherein said flat antenna is mounted on one side of said bracket; and
wherein said microwave radio is mounted on the other side of said bracket.
4. The flat antenna and microwave assembly of Claim 2 wherein said bracket
includes two arms,
wherein said microwave radio is mounted on one of said arms; and
wherein said flat antenna is mounted on the other of said arms.
5. The flat antenna and microwave assembly of Claim 4 wherein said means
for operatively connecting said flat antenna to said microwave radio includes a flexible
waveguide.
6. The flat antenna and microwave assembly of Claim 4 wherein said two
bracket arms are spaced apart a distance at least as great as the largest dimension of said
flat antenna.
7. A flat antenna and microwave radio assembly for a point to point
communications system, said assembly comprising:
a bracket adapted for attachment to a supporting structure;
a flat interface plate carried by said bracket;
a flat antenna mounted on one side of said interface plate so as to provide a
predetermined orientation of said flat antenna in space; and
a microwave radio detachably mounted on the other side of said interface plate so
that said microwave radio may be selectively removed from the assembly and replaced
without disturbing the orientation of said flat antenna in space,
said flat antenna being operatively connected to said microwave radio through said
interface plate.
8. In a flat antenna and radio assembly in a microwave point-to-point
communications system where the flat antenna is operatively connected to the radio and
has a predetermined alignment in space, a method for eliminating the need to re-align
said flat antenna upon removal and replacement of said microwave radio comprising the
steps of:
(a) fixedly mounting the flat antenna to said bracket with a predetermined
alignment in space;
(b) detachably mounting the microwave radio to a supporting means
independently of the mounting of the flat antenna to thereby eliminate the need to re¬
align the flat antenna upon removal and replacement of the microwave radio; and
(c) operatively connecting the microwave radio to the flat antenna.
9. A flat antenna and microwave radio assembly for a point to point
communications system, said assembly comprising:
a bracket adapted for attachment to a supporting structure;
a flat antenna configured with an interface plate mounted on one side of said
bracket so as to provide a predetermined orientation of said flat antenna in space;
a microwave radio configured with an interface plate adapted to be attached to
said flat antenna; and
said microwave radio being secured to and operatively connected to said flat
antenna through said interface plate, so that said microwave radio may be selectively
removed from the assembly and replaced without disturbing the orientation of said flat
antenna in space.
10. A flat antenna and microwave radio assembly for a point to point
communications system, said assembly comprising:
a flat antenna and microwave radio that are spaced apart and independently
supported in space so that the removal of said microwave radio will not disturb the
orientation of said flat antenna in space, said flat antenna and said microwave radio being
operatively connected by a flexible wave guide.
11. A flat antenna and microwave radio assembly for a point to point
communications system, said assembly comprising:
a first bracket adapted for attachment to a supporting structure;
a flat antenna configured with an interface plate being mounted to said first
bracket through said interface plate;
a second bracket adapted for attachment to a supporting structure;
a microwave radio configured with an interface plate being mounted to said
second bracket through said interface plate, said microwave radio operatively connected
to said flat antenna through a flexible guide, said flexible waveguide extending between
interface plates
so that the removal of said microwave radio from the assembly will not disturb the
orientation of said flat antenna in space.
PCT/US2002/003190 2001-02-06 2002-02-06 Method and detachable microwave radio with flat atenna WO2002065655A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26648501P 2001-02-06 2001-02-06
US60/266,485 2001-02-06

Publications (2)

Publication Number Publication Date
WO2002065655A1 true WO2002065655A1 (en) 2002-08-22
WO2002065655A8 WO2002065655A8 (en) 2005-05-12

Family

ID=23014767

Family Applications (6)

Application Number Title Priority Date Filing Date
PCT/US2002/003188 WO2002065580A1 (en) 2001-02-06 2002-02-06 Hinged radio assembly and method
PCT/US2002/003321 WO2002063791A1 (en) 2001-02-06 2002-02-06 Method and protected microwave radio with flat antenna
PCT/US2002/003186 WO2002065577A2 (en) 2001-02-06 2002-02-06 Antenna packaging and mounting assemblies and method
PCT/US2002/003190 WO2002065655A1 (en) 2001-02-06 2002-02-06 Method and detachable microwave radio with flat atenna
PCT/US2002/003191 WO2002063711A1 (en) 2001-02-06 2002-02-06 System and method of mounting protected microwave radios with a parabolic antenna
PCT/US2002/003194 WO2002063716A1 (en) 2001-02-06 2002-02-06 Split pole mounting of unprotected microwave radio with parabolic antenna

Family Applications Before (3)

Application Number Title Priority Date Filing Date
PCT/US2002/003188 WO2002065580A1 (en) 2001-02-06 2002-02-06 Hinged radio assembly and method
PCT/US2002/003321 WO2002063791A1 (en) 2001-02-06 2002-02-06 Method and protected microwave radio with flat antenna
PCT/US2002/003186 WO2002065577A2 (en) 2001-02-06 2002-02-06 Antenna packaging and mounting assemblies and method

Family Applications After (2)

Application Number Title Priority Date Filing Date
PCT/US2002/003191 WO2002063711A1 (en) 2001-02-06 2002-02-06 System and method of mounting protected microwave radios with a parabolic antenna
PCT/US2002/003194 WO2002063716A1 (en) 2001-02-06 2002-02-06 Split pole mounting of unprotected microwave radio with parabolic antenna

Country Status (2)

Country Link
AU (1) AU2002308795A1 (en)
WO (6) WO2002065580A1 (en)

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US8659496B1 (en) 2010-11-24 2014-02-25 R.A. Miller Industries, Inc. Heat sink for a high power antenna
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US10008759B2 (en) 2013-06-11 2018-06-26 E M Solutions Pty Ltd Stabilized platform for a wireless communication link
US9893398B2 (en) * 2014-10-14 2018-02-13 RF elements s.r.o. Quick connect waveguide coupler using pertubations rotatably movable through slots between a locked position and an unlocked position
US10587031B2 (en) 2017-05-04 2020-03-10 RF Elements SRO Quick coupling assemblies

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Also Published As

Publication number Publication date
WO2002065580A1 (en) 2002-08-22
WO2002063711A1 (en) 2002-08-15
WO2002065577A3 (en) 2003-03-27
AU2002308795A1 (en) 2002-08-28
WO2002065577A8 (en) 2005-05-19
WO2002063791A1 (en) 2002-08-15
WO2002063716A8 (en) 2003-01-09
WO2002065655A8 (en) 2005-05-12
WO2002063716A1 (en) 2002-08-15
WO2002065577A2 (en) 2002-08-22
WO2002063711A9 (en) 2004-04-01

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