WO2024251433A1 - Agencement d'antenne - Google Patents

Agencement d'antenne Download PDF

Info

Publication number
WO2024251433A1
WO2024251433A1 PCT/EP2024/061472 EP2024061472W WO2024251433A1 WO 2024251433 A1 WO2024251433 A1 WO 2024251433A1 EP 2024061472 W EP2024061472 W EP 2024061472W WO 2024251433 A1 WO2024251433 A1 WO 2024251433A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna system
ground plane
antenna
transformer
recess
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
PCT/EP2024/061472
Other languages
English (en)
Inventor
Rafik ADDACI
Mohsen YOUSEFBEIKI
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.)
AGC Glass Europe SA
Original Assignee
AGC Glass Europe SA
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 AGC Glass Europe SA filed Critical AGC Glass Europe SA
Priority to EP24721156.8A priority Critical patent/EP4721190A1/fr
Publication of WO2024251433A1 publication Critical patent/WO2024251433A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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
    • H01Q1/1271—Supports; Mounting means for mounting on windscreens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40—Element having extended radiating surface

Definitions

  • the present invention relates to an antenna system in general and, more specifically, to an enhanced performance aperture-coupled or proximity coupling planar antenna arrangement comprising a transparent dielectric panel, to optimize the transmission and / or the reception of the radio-frequency signal.
  • the invention concerns multiple domains where an antenna system comprising a transparent dielectric panel is used.
  • the document US2011221652A1 discloses an antenna system including a circularly polarized antenna for receiving and/or transmitting a circularly polarized RF signal.
  • the CP antenna includes a pair of radiating patches each having an elongated shape. An elongated axis is defined along a longest length of each of the radiating patches. The elongated axes are disposed generally perpendicular to one another to generate the circular polarization.
  • a coplanar waveguide feeding element is disposed between the radiating patches for feeding RF signals from and/or to the radiating patches via electromagnetic coupling. A width of the slot of the coplanar waveguide is varied to provide impedance matching of the CP antenna with a transmission line.
  • US2015002360A1 discloses a semiconductor device including: a semiconductor circuit element configured to process an electrical signal having a predetermined frequency; and a transmission line configured to be connected to the semiconductor circuit element via a wire and transmit the electrical signal.
  • a dielectric panel is a panel that is not electrically conductive as such.
  • the elongated element extends from the transformer with a rounded zigzag like shape.
  • the length is longer than the width.
  • the number and the shape of zigzags depend on the application.
  • the width of the transformer can be about 1.79 mm.
  • FIG. 6b illustrates some embodiments in which the ground plane 31 comprises a left extension 317 and a right extension 316 to optimize the signal.
  • the ground plane comprises also a central extension 315.
  • the central extension comprises the recess 312.
  • a ground plane with a left, right and central extensions create a left space 319 and a right space 318.
  • the extension(s) can have a specific shape and/or a specific location to optimize the signal.
  • the transformer has a thickness T322.
  • the thickness T322 is substantially the same than the thickness of the patch network T33.
  • the ground plane has a thickness T31.
  • the thickness T31 is substantially the same than the thickness of the patch network T33.
  • the thickness T31 of the ground plane substantially equals the thickness T32 of the feeding system.
  • FIG.7 illustrates some preferred embodiments of a planar antenna element for an antenna system working at a frequency range tuned between 3.1 to 10.6 GHz (3.1 GHz ⁇ f ⁇ 10.6 GHz).
  • the planar antenna element 3 is symmetrical with the axis being a longitudinal median axis of the planar antenna element meaning that the left part of the planar antenna element equals to the right part of the planar antenna element.
  • the patch network has a generic rectangular shape and thus inscribed in a rectangle having same dimensions and having a width W33, measured along the X-axis, and a length L33, measured along the Y-axis.
  • the width W33 is about 15.2 mm and the length L33 is about 7.15 mm.
  • the feeding system 32 comprises a connection element 323, a transformer 322 and an elongated element 321.
  • the elongated element is conductively connected to the transformer.
  • the patch network and the feeding system are produced as a single element
  • connection element conductively connects the transformer to the patch network.
  • the connection element has a generic rectangular shape having a width W323, measured along the X-axis, and a length L323, measured along the Y-axis.
  • the width W323 is about 1.79 mm and the length L323 is about 0.75 mm.
  • the said transformer has a generic shape of a rectangular donutlike forming a rectangular ring.
  • This rectangular ring is inscribed in a rectangle having same dimensions than external dimensions of the rectangular ring having an external length L332, measured along the Y-axis and an external width W332, measured along the X-axis.
  • the external width W332 is about 6.25 mm and the external length L332 is about 7.15 mm.
  • the hollow part has a width H322 of about 4.47 mm and a length H332 of about 5.36 mm.
  • This rectangular ring has four edges forming the ring. Each edges can have a specific thickness (Th332, Tb332, TI332, Tr332) and preferably the thicknesses are about 0.89 mm.
  • the said extended element has a generic rectangular shape having a width W321, measured along the X-axis, and a length L321, measured along the Y-axis.
  • the width W321 is about 1.79 mm and the length L321 is about 17.9 mm.
  • the length of the extended element is substantially equals to 117% of the length of the recess.
  • the said patch network has a generic rectangular shape having a width W31, measured along the X-axis, and a length L31, measured along the Y-axis.
  • the width W31 is about 17.88 mm and the length L31 is about 28.15 mm.
  • the generic rectangular shape has a right and left lateral fingers having a width W313, measured along the X-axis, and a length L314, measured along the Y-axis.
  • the width W313 is about 2.32 mm and the length L314 is about 5.9 mm.
  • L314 is about 82.5% of L332.
  • the length L321 of the recess is measured from the top of the lateral fingers to the bottom of the recess.
  • the length L321 of the recess is about 15.3 mm.
  • the width of the recess is about 4.29 mm.
  • the antenna system can further comprises a parasitic element to optimize the radiation pattern.
  • a parasitic element is a conductive element disposed on a surface of the transparent dielectric panel and non-conductively connected neither to the patch network nor to the feeding system.
  • the parasitic element is far enough from the planar antenna system especially from the patch network and the feeding system. In the context of the invention, far enough means that one of the antenna elements is coupled to the radiation and current of the antenna elements, but not so close as to affect the basic resonance of the antenna.
  • the antenna system can comprises at least two planar antenna elements.
  • Each of the at least two planar antenna elements can radiate a specific frequency range.
  • a parasitic element is positioned between each planar antenna system to avoid any coupling between planar antenna systems.
  • a glazing unit 100 comprising at least one antenna system 1 according to the first aspect of the invention to protect the at least one antenna system from scratches and to protect the at least one planar antenna element from the exterior attack, such as moisture, scratches, •••, as illustrated in FIG. 8, FIG. 9 and FIG. 10.
  • the first and the second transparent dielectric panels can have different chemical composition, such as plastic-based composition.
  • the plastic-based composition can be PET, polycarbonate, PVC or any other transparent dielectric plastic-based that can be used as a panel.
  • the first and / or the second transparent dielectric panel comprises a glass panel to protect the antenna arrangement and the antenna system from scratches.
  • the glass panel can comprises at least 50 % in weight of SiO2 such as glass like soda lime glass, aluminosilicate glass or borosilicate glass.
  • the first and the second transparent dielectric panels have the same chemical composition to reduce the handling and the process of manufacturing.
  • the first and the second transparent dielectric panels can be manufactured by a known manufacturing method such as a float method, a fusion method, a redraw method, a press molding method, or a pulling method.
  • a manufacturing method of the glass panel from the viewpoint of productivity and cost, it is preferable to use the float method.
  • Each of the first and the second transparent dielectric panels can be independently processed and / or colored, ••• and / or have different thickness in order to improve the aesthetic, safety, •••
  • Each of the first and the second transparent dielectric panels can be processed, i.e. annealed, tempered, ••• to respect the specifications of security requirements.
  • the transparent dielectric panel can independently be a clear or a colored transparent dielectric panel, tinted with a specific composition or by applying an additional coating or a plastic layer for example.
  • the first and the second transparent dielectric panels can have any shape.
  • the shape of the transparent dielectric panels in a plan view is not limited to a rectangle and may be a trapeze, a triangle, a square, a circle or the like.
  • the first and the second transparent dielectric panels can have a loss tangent equals to or smaller than 0.03 and more preferably the loss tangent of the dielectric panels is equal to or smaller than 0.02 and more preferably the loss tangent of the dielectric panels is equal to or smaller than 0.01 to reduce the energy loss in panels while increasing the antenna system efficiency.
  • the first and the second transparent dielectric panels have a loss tangent equals to or smaller than 0.005 and more preferably the loss tangent of the dielectric panels is equal to or smaller than 0.003 to reduce the energy loss in panels while increasing the antenna system efficiency.
  • the first and the second transparent dielectric panels are borosilicate glass panels to reduce the loss tangent to a value equals to or is smaller than 0.01.
  • the dielectric panels can be manufactured by a known manufacturing method such as a float method, a fusion method, a redraw method, a press molding method, or a pulling method.
  • a manufacturing method of the glass panel from the viewpoint of productivity and cost, it is preferable to use the float method.
  • Each transparent dielectric panel can be independently processed and / or colored, ••• and / or have different thickness in order to improve the aesthetic, safety, •••
  • Each transparent dielectric panel can be processed, i.e. annealed, tempered, ••• to respect the specifications of security requirements.
  • the transparent dielectric panel can independently be a clear or a colored transparent dielectric panel, tinted with a specific composition or by applying an additional coating or a plastic layer for example.
  • the first and the second dielectric panels can have any shape.
  • the shape of the dielectric panels in a plan view is not limited to a rectangle and may be a trapeze, a triangle, a square, a circle or the like.
  • a first interlayer 111 and a second dielectric panel 112 can be used. These interlayers are preferably transparent polymers.
  • the interlayer are transparent interlayers and preferably the interlayers are transparent polymer interlayers.
  • a transparent polymer interlayer can be polyvinyl butyral (PVB), ethylene-vinyl acetate (EVA), polymethyl methacrylate (PMMA), a polycarbonate (PC), a polystyrene (PS), a polyvinyl chloride (PVC), a polyamide (PA), a polyetherimide (PEI), a polyethylene terephthalate (PET), a polyurethane, an acrylonitrile butadiene styrene copolymer (ABS), a styrene acrylonitrile copolymer (SAN), a styrene methyl methacrylate copolymer (SMMA) and any mixtures of these, a crosslinked resin, an ionoplast, an ionomer, a cyclo-olefin polymer (COP),
  • PVB polyvinyl butyral
  • Crosslinked or cured resins are known to the skilled person and are three dimensional polymer networks obtained by the crosslinking/curing of low molecular weight species either by reaction with a curing agent also known as crosslinker or upon exposure to heat, UV radiations (UV) or electron beam (EB).
  • Non exhaustive examples of crosslinked resins are epoxy resins, polyurethane resins, UV or EB curable resins.
  • the precursors of the crosslinked resin may be transparent or not provided that the crosslinked resin is transparent.
  • the transparent dielectric panel can have a loss tangent equals to or smaller than 0.03 and more preferably the loss tangent of the dielectric panels is equal to or smaller than 0.02 and more preferably the loss tangent of the dielectric panels is equal to or smaller than 0.01 to reduce the energy loss in panels while increasing the antenna system efficiency.
  • the transparent dielectric panel has a loss tangent equals to or smaller than 0.005 and more preferably the loss tangent of the dielectric panels is equal to or smaller than 0.003 to reduce the energy loss in panels while increasing the antenna system efficiency.
  • the first interlayer and the second interlayer are sentryglas.
  • the transparent interlayers are low-loss transparent layers to reduce the losses of the antenna arrangement while increasing performances.
  • the first and the second interlayers can be designed as a single interlayer in some embodiments in which the antenna system has a surface smaller than the interlayer surface.
  • the glazing unit (or an antenna system) can be placed in front of the window.
  • the antenna system radiates towards a specific direction through the first transparent dielectric panel 101 to emit and /or receive through the window and to cover terminals outside a building for instance.
  • the first transparent dielectric panel 101 and / or the second transparent dielectric panel 102 can be mounted in front of the window.
  • the antenna system radiates towards a specific direction through the side opposite to the first transparent dielectric to emit and /or receive at the opposite direction of the window and to cover terminals inside a building for instance.
  • the term “in front of” denotes that the first transparent dielectric panel is facing the antenna system front face, the second transparent dielectric panel is facing the first transparent dielectric panel.
  • the antenna system radiates towards the two specific directions to emit and /or receive through the window and through the opposite side and to cover terminals outside and inside a building for instance.
  • a glazing unit can be hung to a ceiling or attached to a wall to irradiate around the location.
  • connection means 120 is connected to the antenna system inside the glazing panel.
  • the connection means has to be thin.
  • the second interlayer can have a cutoff to leave enough space for the connection means.
  • the second dielectric panel and the second interlayer can have a recess 122 in front of the connection between the antenna system and the connection means to facilitate the handling and the connection.
  • This recess has a width, W122, measured along the X-axis and a length, L122 measured along the Y-axis.
  • the width W122 can be about 1.5 mm and the L122 can be about 1 mm.
  • a single recess can be used to connect more than one antenna system to a connection means.
  • Some embodiments provide a method to manufacture an antenna system according to claims 1 to 13, wherein the method comprises following steps :
  • the step B of disposition can be performed by applying a coating on the dielectric panel to create the planar antenna element or RF sputtering.
  • Another disposition can be applying a coating and decoating some parts to create the planar antenna element.
  • This step can also be performed by applying a mask and applying a conductive material and removing the mask to create the planar antenna element.
  • the disposition can also be a printing the planar antenna element on said first surface of the dielectric panel.
  • An embodiment provides the use to the patch network to enlarge the bandwidth of the antenna system of planar antenna system comprised in an antenna system;
  • the planar antenna system comprises a planar antenna element (3) disposed on a first surface of a dielectric panel and comprising a patch network (33), a ground plane (31), comprising a recess, and a feeding system (32) conductively connected;
  • the feeding system comprises a transformer (322) designed to enlarge the bandwidth of the antenna system and the feeding system also comprises an elongated element (321) extending from the transformer into the recess.
  • the present invention permits to use the spectrum sensing technology and the dongle wireless USB application or any application using UWB technology with an ultra-wide band antenna system as claimed.
  • Spectrum sensing is one of the most important components of cognitive radio networks. Spectrum sensing enables a cognitive radio to have information about its environment and spectrum availability. The most widely used spectrum sensing methods are energy detection and matched filter detection.
  • the invention also solves the need to have the smallest antenna system while having very large bandwidth.

Landscapes

  • Waveguide Aerials (AREA)

Abstract

La présente invention concerne un système d'antenne, conçu pour émettre et/ou recevoir à une plage de fréquences souhaitée, comprenant un panneau diélectrique transparent ayant une première surface, un élément d'antenne plan disposé sur la première surface et comprenant un réseau de plaques, un plan de masse et un système d'alimentation connecté de manière conductrice au réseau de plaques, le plan de masse comprenant un évidement. Le système d'alimentation comprend un transformateur conçu pour agrandir la bande passante du système d'antenne, le système d'alimentation comprenant également un élément allongé s'étendant à partir du transformateur dans l'évidement. La présente invention divulgue un procédé et une utilisation associés.
PCT/EP2024/061472 2023-06-05 2024-04-25 Agencement d'antenne Ceased WO2024251433A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP24721156.8A EP4721190A1 (fr) 2023-06-05 2024-04-25 Agencement d'antenne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23177370 2023-06-05
EP23177370.6 2023-06-05

Publications (1)

Publication Number Publication Date
WO2024251433A1 true WO2024251433A1 (fr) 2024-12-12

Family

ID=86693160

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/061472 Ceased WO2024251433A1 (fr) 2023-06-05 2024-04-25 Agencement d'antenne

Country Status (2)

Country Link
EP (1) EP4721190A1 (fr)
WO (1) WO2024251433A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110221652A1 (en) 2010-03-12 2011-09-15 Agc Automotive Americas R&D, Inc. Antenna system including a circularly polarized antenna
US20150002360A1 (en) 2009-03-16 2015-01-01 Sony Corporation Semiconductor device, transmission system, method for manufacturing semiconductor device, and method for manufacturing transmission system
CN211956530U (zh) 2020-03-19 2020-11-17 菜鸟智能物流控股有限公司 天线及射频标签
CN113113757A (zh) 2021-04-13 2021-07-13 福耀玻璃工业集团股份有限公司 车窗和车辆

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150002360A1 (en) 2009-03-16 2015-01-01 Sony Corporation Semiconductor device, transmission system, method for manufacturing semiconductor device, and method for manufacturing transmission system
US20110221652A1 (en) 2010-03-12 2011-09-15 Agc Automotive Americas R&D, Inc. Antenna system including a circularly polarized antenna
CN211956530U (zh) 2020-03-19 2020-11-17 菜鸟智能物流控股有限公司 天线及射频标签
CN113113757A (zh) 2021-04-13 2021-07-13 福耀玻璃工业集团股份有限公司 车窗和车辆

Also Published As

Publication number Publication date
EP4721190A1 (fr) 2026-04-08

Similar Documents

Publication Publication Date Title
CA2455973C (fr) Pare-brise de vehicule a antenne(s) fractale(s)
Sun et al. On-glass grid structure and its application in highly-transparent antenna for internet of vehicles
EP3743957B1 (fr) Panneau de vitrage feuilleté comportant une antenne
US9553359B2 (en) Antenna apparatus
WO2019107514A1 (fr) Unité d'antenne et plaque de verre ayant une antenne
EP3979417A1 (fr) Ensemble boîtier, appareil d'antenne et dispositif électronique
CN107453047A (zh) 具有分段表面处理的双频带柔性天线
US10424825B2 (en) Traveling wave LTE antenna for dual band and beam control
WO2020230819A1 (fr) Antenne plane, structure d'antenne stratifiée, et fenêtre de véhicule
US20170237148A1 (en) Impedance surface treatment for mitigating surface waves and improving gain of antennas on glass
CN112234340B (zh) 壳体组件、天线组件及电子设备
KR20220012362A (ko) 하우징 어셈블리, 안테나 어셈블리 및 전자 기기
CN113113757B (zh) 车窗和车辆
EP4721190A1 (fr) Agencement d'antenne
JP2022117929A (ja) 車両用窓ガラス及び車両用窓ガラス装置
US12100892B2 (en) Multi-band transparent coplanar slot antenna using conductive windshield coating
CN105449347A (zh) 一种天线以及通讯电子设备
US12555896B2 (en) Transparent antenna and communication system
US12356539B2 (en) Laminated assembly comprising radio-frequency interface board
US12444827B2 (en) Transparent MIMO antenna for closely spaced antenna elements
CN224068682U (zh) 含有透明天线的手机后盖和手机
CN222483694U (zh) 一种透明天线
US12294165B2 (en) Antenna and electronic device
WO2025252586A1 (fr) Système d'antenne réseau à commande de phase, véhicule, utilisation et procédé
WO2025038451A1 (fr) Antenne

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 24721156

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2024721156

Country of ref document: EP

Effective date: 20260105

WWE Wipo information: entry into national phase

Ref document number: 2024721156

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2024721156

Country of ref document: EP

Effective date: 20260105

ENP Entry into the national phase

Ref document number: 2024721156

Country of ref document: EP

Effective date: 20260105

ENP Entry into the national phase

Ref document number: 2024721156

Country of ref document: EP

Effective date: 20260105

ENP Entry into the national phase

Ref document number: 2024721156

Country of ref document: EP

Effective date: 20260105

ENP Entry into the national phase

Ref document number: 2024721156

Country of ref document: EP

Effective date: 20260105

WWP Wipo information: published in national office

Ref document number: 2024721156

Country of ref document: EP