EP1387437A1 - Antenne multisources notamment pour système à reflecteur - Google Patents

Antenne multisources notamment pour système à reflecteur Download PDF

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Publication number
EP1387437A1
EP1387437A1 EP03291727A EP03291727A EP1387437A1 EP 1387437 A1 EP1387437 A1 EP 1387437A1 EP 03291727 A EP03291727 A EP 03291727A EP 03291727 A EP03291727 A EP 03291727A EP 1387437 A1 EP1387437 A1 EP 1387437A1
Authority
EP
European Patent Office
Prior art keywords
bip
antenna according
frequency
sources
arrangement
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
EP03291727A
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German (de)
English (en)
French (fr)
Inventor
Hervé Legay
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
Alcatel Lucent SAS
Nokia 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 Alcatel SA, Alcatel Lucent SAS, Nokia Inc filed Critical Alcatel SA
Publication of EP1387437A1 publication Critical patent/EP1387437A1/fr
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
    • H01Q15/0026—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices having a stacked geometry or having multiple layers

Definitions

  • the present invention relates to the field of telecommunications. It relates more particularly to an antenna of multisource telecommunications. This multisource antenna can in particular be used in a reflector system.
  • the present invention aims to provide an antenna multiband directive that is compact, so as to overcome problems of congestion related to the prior art represented by the reflective antenna dual-band source and the system with two planar antennas.
  • the object of the present invention is therefore to remedy the problems above.
  • the energy radiated by each of the sources of excitation is channeled over an apparent surface more important, while avoiding coupling between sources.
  • the source equivalent to the level of selectivity means is sufficient directive not to generate overflow losses, interleaving allowing to reduce losses by overlapping between two spots.
  • said means of spatial selectivity and frequency include a Photonic Forbidden Band network said BEEP.
  • the BIP network comprises a arrangement of dielectric plates with one-dimensional periodicity (says 1D arrangement).
  • the BIP network comprises a arrangement of dielectric bars with a periodicity of two dimensions (known as 2D arrangement).
  • the BIP network comprises a arrangement of dielectric bars with a periodicity of three dimensions (known as 3D arrangement), like a pile of wood.
  • the BIP network comprises a periodic arrangement of metallic patterns.
  • the BIP network comprises a periodic arrangement of slots in the ground plane.
  • the BIP network comprises a arrangement of metallic wires.
  • said excitation sources form a passive focal network, the interlacing of the radiating openings associated with each source of the passive focal network generating a channel of radiated energy on an apparent surface enlarged at the level of BIP network.
  • the excitation sources operate in different frequency bands and at the same aperture radiant.
  • the BIP network comprises a periodic arrangement of metallic wires, part of these wires being locally and periodically removed. These metallization withdrawals allow a second operating band to be produced, independent of the first.
  • the BIP network comprises a periodic arrangement of dielectric plates, the thickness of one of them it being modified compared to the others. This break in periodicity allows a second operating band, independent of the first one.
  • the BIP network comprises at least two metal plates with resonant patterns resonant to their own operating frequency and transparent to the other frequency of resonance.
  • the BIP network comprises a periodic arrangement of metallic patterns, and an arrangement periodic of slots in a ground plane. These periodic arrangements are resonant at their own frequency of operation and transparent at the other resonant frequency.
  • one of the metal plates forms a reflecting surface at the highest frequency and is transparent at the lowest operating frequency, being then placed at a length of half a wavelength corresponding to this high frequency of the ground plane (70), and in that a second metal plate forms a surface reflecting at the frequency and is transparent at the higher frequency (f h ), the latter being placed at a length of half a length of wave corresponding to this low frequency of the ground plane.
  • At least one of the sources works in one receiving frequency band and another from the sources operates in a transmit frequency band.
  • it is intended for operation in a reflector system.
  • the object of the present invention is to apply the potential of these antennas to innovative antenna concepts for satellite telecommunications systems (antenna on board a vehicle satellite or antenna type).
  • a BIP network can be realized by a periodic arrangement of metallic patterns, or dielectric patterns.
  • metallic patterns or dielectric patterns.
  • dielectric patterns Of course, there are countless ways to make a BIP network. For reasons of conciseness, it will be detailed, in the present request, only the networks to dielectric patterns or those with metallic patterns.
  • a BIP network can be made up of a regular arrangement of dielectric plates of permittivity ⁇ r1 and of thickness ⁇ / 4 sqrt ( ⁇ r1 ) and spaced by a medium of lower permittivity ⁇ r2 and of thickness ⁇ / 4 sqrt ( ⁇ r2 ). It can also be produced by an arrangement of dielectric bars of very high permittivity, and distant from ⁇ / 4.
  • a network with dielectric plates is for example in French patent application No. FR 99 14521.
  • FIG. 2 represents a multisource antenna 4.
  • This antenna comprises a focal network 5 and a BIP network consisting of an arrangement of dielectric plates 61.62 placed above the ground plane 70 on which are engraved with excitation probes 51,52, ... 5n forming the network 5.
  • This periodic arrangement of dielectric plates defines a resonant cavity.
  • the wave emitted by the excitation probe is then distributed over a large radiant surface.
  • the size of this surface depends on the reflectivity of the dielectric (or metallic layers in the case of grids metal).
  • the BIP network of FIG. 2a illustrates an arrangement one-dimensional dielectric plates.
  • Figures 2b, 2c and 2d respectively illustrate crystals electromagnetic dielectric with a periodicity at one, two and three dimensions.
  • the network 6 allows the interleaving of the radiant openings associated with each source of the passive focal network. he is to channel the energy radiated on an apparent surface more important than exciting sources, while avoiding too much coupling high between them.
  • the sources of the passive focal network thus become more directives that the surface they occupy in the lower network 5, and the overflow losses decrease.
  • sources frequency selective can be pellets microstrips, dielectric resonators or non-resonant slots, connected to frequency selective filters.
  • FIG. 3 represents a multisource antenna 7 according to a second embodiment of the invention.
  • two pads 81.82 are excited by two 91.92 excitation probes in two modes.
  • These two modes can be a fundamental mode and a harmonic, for example.
  • the antenna 7 is capable of producing several sources directives, operating in several frequency bands, in the same radiant opening. This results in a very significant space saving.
  • the arrangement of the dielectric layers 61,62 can be determined so as to generate several distinct resonances in the BIP material. Arrangements specific dielectric layers 61,62 (or metallized in the frame of metallized patterns) can in particular lead to bands of operation of the BIP material adapted to the ratio specific to the application, and no longer regularly spaced.
  • multiband BIP networks can be obtained using metallic BIP networks with resonant patterns. It is then a question of optimizing two BIP networks at each of the operating frequencies. Layers are resonant at their own frequency of operation and transparent to the other resonant frequency. This is a principle analogous to that of frequency selective surfaces. interweave these reflective layers, so as to respect the rules of distances between different layers operating at the same frequency ( ⁇ / 4), as well as the distance between the ground plane and the metallized layer associated with each operating frequency ( ⁇ / 2).
  • FIG. 4 represents such a BIP network produced in the form of metallic patterns.
  • it can be made of metal wires of the same direction, and distant from ⁇ / 4, or of a grid made up of two networks of orthogonal metal wires.
  • This type of BIP network is for example described in the French patent application filed by the applicant on 1 September 1997 under reference No 97 FR 10842.
  • Figure 1 of this application is shown an embodiment of a network BIP whose reflective surface consists of metallic patterns. In this case, these are circular pellets or rings. We can also consider braces, tripoles, etc.
  • the reflecting structure is consisting only of an interface. There may, however, be more than one. 40 as in FIG. 4. In this case, the metallized interfaces must be distant from ⁇ / 4 from each other. The main thing is to have the structure reflecting at ⁇ / 2 of the ground plane.
  • patch 41 can also be made by a slot in the plane of ground, or by a dielectric resonator, etc ...
  • FIG. 5 illustrates such an excitation by a slot 42.
  • the advantage of the implantation of such a slot is to allow feeding by a guide 43, and to be able to carry out the filtering necessary for the proper functioning of the antenna by a guide technology filter.
  • Iris 44 are implanted in the guide to allow adaptation. Such irises are, for example, described in the French patent application filed by the Applicant and cited above.
  • FIG. 6 illustrates an antenna 7 with an array 6 of layers dielectric, fed by a slot 42 '.
  • the main thing for this slot is that it is non-resonant, to limit the couplings between neighboring slots.
  • FIG. 7 represents an antenna according to an embodiment of the invention.
  • the 6 BIP network used is of the metallic type whose layers 61.62 are not resonant. They are made up of wires or tracks metal.
  • the network excitation means has not been illustrated.
  • FIG. 8 a multisource antenna is illustrated according to an embodiment of the invention.
  • Network 6, for simplicity, is made by a single resonant interface at each frequency.
  • the antenna 7 has two exciters 81, 82 operating at a respective natural frequency. These exciters are, in the figure, separate pellets placed side by side, but they can be slots.
  • the exciter can also be a dual band exciter, with one or two ports, such as a "patch" with a slit in the center, as illustrated by the partial representation of the variant in FIG. 9.
  • a reflecting surface at the highest frequency f h , and transparent at the lowest operating frequency f b , is placed at ⁇ fh / 2 from the ground plane.
  • the second reflecting surface at the frequency f b , and transparent at f h is placed at ⁇ fb / 2 from the ground plane.
  • the reflective interface at the highest frequency consists of the metallic patterns 45 of smaller size.
  • the distance between the patterns can be used to adjust the reflectivity of the interface. We may want a lower reflectivity, and compensate for it by a greater number of interfaces. In this case, the realization of elements multiband radiant is achieved by an interlacing of different structures operating at each frequency, as illustrated in Figure 10.
  • this can be done by locally modifying the thickness of a dielectric layer (or of a bar for 2D or 3D structures).
  • a reflective surface at a frequency consisting of perforated patterns and a reflective surface made up of metallic patterns, such as the element radiating operating at two separate bands of Figure 14 comprising a multiresonator structure with metallic resonators 47 and slots 46.
  • one of the sources can operate in a band Rx receiving frequency and another source can work in a transmission frequency Tx band.

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  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
EP03291727A 2002-07-31 2003-07-11 Antenne multisources notamment pour système à reflecteur Ceased EP1387437A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0209740A FR2843238B1 (fr) 2002-07-31 2002-07-31 Antenne multisources notamment pour un systeme a reflecteur
FR0209740 2002-07-31

Publications (1)

Publication Number Publication Date
EP1387437A1 true EP1387437A1 (fr) 2004-02-04

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ID=30011608

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EP03291727A Ceased EP1387437A1 (fr) 2002-07-31 2003-07-11 Antenne multisources notamment pour système à reflecteur

Country Status (4)

Country Link
US (1) US6927729B2 (enrdf_load_stackoverflow)
EP (1) EP1387437A1 (enrdf_load_stackoverflow)
JP (1) JP2004135284A (enrdf_load_stackoverflow)
FR (1) FR2843238B1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2906410A1 (fr) * 2006-09-25 2008-03-28 Cnes Epic Antenne a materiau bip(bande interdite photonique), systeme et procede utilisant cette antenne
FR2914506A1 (fr) * 2007-03-29 2008-10-03 Centre Nat Rech Scient Antenne a resonateur equipe d'un revetement filtrant et systeme incorporant cette antenne.

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EP1508940A1 (en) * 2003-08-19 2005-02-23 Era Patents Limited Radiation controller including reactive elements on a dielectric surface
CN1989652B (zh) 2004-06-28 2013-03-13 脉冲芬兰有限公司 天线部件
FI119009B (fi) * 2005-10-03 2008-06-13 Pulse Finland Oy Monikaistainen antennijärjestelmä
US8618990B2 (en) 2011-04-13 2013-12-31 Pulse Finland Oy Wideband antenna and methods
US10211538B2 (en) 2006-12-28 2019-02-19 Pulse Finland Oy Directional antenna apparatus and methods
FI20075269A0 (fi) 2007-04-19 2007-04-19 Pulse Finland Oy Menetelmä ja järjestely antennin sovittamiseksi
FI120427B (fi) 2007-08-30 2009-10-15 Pulse Finland Oy Säädettävä monikaista-antenni
FI124129B (fi) * 2007-09-28 2014-03-31 Pulse Finland Oy Kaksoisantenni
FR2936906B1 (fr) * 2008-10-07 2011-11-25 Thales Sa Reseau reflecteur a arrangement optimise et antenne comportant un tel reseau reflecteur
FR2939568B1 (fr) * 2008-12-05 2010-12-17 Thales Sa Antenne a partage de sources et procede d'elaboration d'une antenne a partage de sources pour l'elaboration de multi-faisceaux
FI20096134A0 (fi) 2009-11-03 2009-11-03 Pulse Finland Oy Säädettävä antenni
FI20096251A0 (sv) 2009-11-27 2009-11-27 Pulse Finland Oy MIMO-antenn
FI20105158L (fi) 2010-02-18 2011-08-19 Pulse Finland Oy Kuorisäteilijällä varustettu antenni
JP5613064B2 (ja) * 2011-01-11 2014-10-22 新日本無線株式会社 マイクロ波用アンテナ
FI20115072A0 (fi) 2011-01-25 2011-01-25 Pulse Finland Oy Moniresonanssiantenni, -antennimoduuli ja radiolaite
US9673507B2 (en) 2011-02-11 2017-06-06 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8648752B2 (en) 2011-02-11 2014-02-11 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8866689B2 (en) 2011-07-07 2014-10-21 Pulse Finland Oy Multi-band antenna and methods for long term evolution wireless system
US9450291B2 (en) 2011-07-25 2016-09-20 Pulse Finland Oy Multiband slot loop antenna apparatus and methods
US9123990B2 (en) 2011-10-07 2015-09-01 Pulse Finland Oy Multi-feed antenna apparatus and methods
US9531058B2 (en) 2011-12-20 2016-12-27 Pulse Finland Oy Loosely-coupled radio antenna apparatus and methods
US9484619B2 (en) 2011-12-21 2016-11-01 Pulse Finland Oy Switchable diversity antenna apparatus and methods
US8988296B2 (en) 2012-04-04 2015-03-24 Pulse Finland Oy Compact polarized antenna and methods
US9979078B2 (en) 2012-10-25 2018-05-22 Pulse Finland Oy Modular cell antenna apparatus and methods
US10069209B2 (en) 2012-11-06 2018-09-04 Pulse Finland Oy Capacitively coupled antenna apparatus and methods
US9647338B2 (en) 2013-03-11 2017-05-09 Pulse Finland Oy Coupled antenna structure and methods
US10079428B2 (en) 2013-03-11 2018-09-18 Pulse Finland Oy Coupled antenna structure and methods
US9634383B2 (en) 2013-06-26 2017-04-25 Pulse Finland Oy Galvanically separated non-interacting antenna sector apparatus and methods
US9680212B2 (en) 2013-11-20 2017-06-13 Pulse Finland Oy Capacitive grounding methods and apparatus for mobile devices
US9590308B2 (en) 2013-12-03 2017-03-07 Pulse Electronics, Inc. Reduced surface area antenna apparatus and mobile communications devices incorporating the same
US9350081B2 (en) 2014-01-14 2016-05-24 Pulse Finland Oy Switchable multi-radiator high band antenna apparatus
US9948002B2 (en) 2014-08-26 2018-04-17 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9973228B2 (en) 2014-08-26 2018-05-15 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9722308B2 (en) 2014-08-28 2017-08-01 Pulse Finland Oy Low passive intermodulation distributed antenna system for multiple-input multiple-output systems and methods of use
US9906260B2 (en) 2015-07-30 2018-02-27 Pulse Finland Oy Sensor-based closed loop antenna swapping apparatus and methods
FR3058002B1 (fr) * 2016-10-24 2018-12-07 Universite Paris Sud Antenne
JP7193805B2 (ja) * 2019-09-03 2022-12-21 日本電信電話株式会社 アンテナシステム
CN114914670B (zh) * 2022-06-29 2024-12-03 四川太赫兹通信有限公司 一种太赫兹电控编码天线单元及太赫兹电控编码天线
US20250030162A1 (en) * 2023-07-19 2025-01-23 National Taiwan University Reconfigurable antenna

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US4021812A (en) * 1975-09-11 1977-05-03 The United States Of America As Represented By The Secretary Of The Air Force Layered dielectric filter for sidelobe suppression
GB2337860A (en) * 1997-04-29 1999-12-01 Trw Inc Frequency selective surface filter for an antenna
WO2001037373A1 (fr) * 1999-11-18 2001-05-25 Centre National De La Recherche Scientifique (C.N.R.S.) Antenne pourvue d'un assemblage de materiaux filtrant

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US5160936A (en) * 1989-07-31 1992-11-03 The Boeing Company Multiband shared aperture array antenna system
US6690327B2 (en) * 2001-09-19 2004-02-10 Etenna Corporation Mechanically reconfigurable artificial magnetic conductor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021812A (en) * 1975-09-11 1977-05-03 The United States Of America As Represented By The Secretary Of The Air Force Layered dielectric filter for sidelobe suppression
GB2337860A (en) * 1997-04-29 1999-12-01 Trw Inc Frequency selective surface filter for an antenna
WO2001037373A1 (fr) * 1999-11-18 2001-05-25 Centre National De La Recherche Scientifique (C.N.R.S.) Antenne pourvue d'un assemblage de materiaux filtrant

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2906410A1 (fr) * 2006-09-25 2008-03-28 Cnes Epic Antenne a materiau bip(bande interdite photonique), systeme et procede utilisant cette antenne
WO2008037887A3 (fr) * 2006-09-25 2008-05-22 Centre Nat Etd Spatiales Antenne a materiau bip (bande interdite photonique) systeme
US8164542B2 (en) 2006-09-25 2012-04-24 Centre National D'etudes Spatiales Antenna using a PBG (photonic band gap) material, and system and method using this antenna
FR2914506A1 (fr) * 2007-03-29 2008-10-03 Centre Nat Rech Scient Antenne a resonateur equipe d'un revetement filtrant et systeme incorporant cette antenne.
WO2008135677A1 (fr) * 2007-03-29 2008-11-13 Centre National De La Recherche Scientifique (C.N.R.S) Antenne à résonateur équipé d'un revêtement filtrant et système incorporant cette antenne
US8149180B2 (en) 2007-03-29 2012-04-03 Centre National De La Recherche Scientifique (C.N.R.S.) Antenna with resonator having a filtering coating and system including such antenna
CN101682123B (zh) * 2007-03-29 2012-12-05 国家科研中心 带有具有滤波涂层的谐振器的天线和包括该天线的系统

Also Published As

Publication number Publication date
FR2843238B1 (fr) 2006-07-21
FR2843238A1 (fr) 2004-02-06
JP2004135284A (ja) 2004-04-30
US6927729B2 (en) 2005-08-09
US20040021607A1 (en) 2004-02-05

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