WO2023036425A1 - Agencement d'antenne pour appareil électronique - Google Patents

Agencement d'antenne pour appareil électronique Download PDF

Info

Publication number
WO2023036425A1
WO2023036425A1 PCT/EP2021/074833 EP2021074833W WO2023036425A1 WO 2023036425 A1 WO2023036425 A1 WO 2023036425A1 EP 2021074833 W EP2021074833 W EP 2021074833W WO 2023036425 A1 WO2023036425 A1 WO 2023036425A1
Authority
WO
WIPO (PCT)
Prior art keywords
dielectric
antenna
arrangement
plane
section
Prior art date
Application number
PCT/EP2021/074833
Other languages
English (en)
Inventor
Tuomo Katajamaki
Janne Ilvonen
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to PCT/EP2021/074833 priority Critical patent/WO2023036425A1/fr
Priority to EP21773606.5A priority patent/EP4367750A1/fr
Priority to CN202180099671.6A priority patent/CN117652061A/zh
Publication of WO2023036425A1 publication Critical patent/WO2023036425A1/fr

Links

Classifications

    • 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
    • H01Q15/006—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material

Definitions

  • the disclosure relates to an antenna arrangement for an electronic apparatus, the antenna arrangement comprising at least one antenna structure comprising a plurality of antenna elements arranged in an antenna plane, the plurality of antenna elements being configured to generate electromagnetic radiation in a first direction perpendicular to the antenna plane, and a dielectric cover structure configured to cover the antenna structure and allow propagation of the electromagnetic radiation in the first direction.
  • Millimeter- wave bands are considered to have a frequency range of above 10 GHz and up to 300 GHz, and are used in, e.g., 5G systems and 60 GHz MIMO (multiple-input multiple-output) radar systems.
  • Such systems can be integrated into wireless terminals, vehicles, and other devices such as TVs, that may be provided a dielectric protective layer such as a glass cover or a radome covering the millimeter-wave antenna element or antenna array.
  • a dielectric protective layer such as a glass cover or a radome covering the millimeter-wave antenna element or antenna array.
  • Glass for example, has characteristically high relative permittivity which, depending on the thickness of the glass, can lead to excitation of surface waves inside the glass which dramatically distort millimeter-wave radiation characteristics such as efficiency and beam pattern.
  • the protective layer may work as a reflector if its thickness is close to X/4, being the millimeter-wave wavelength.
  • EBG electromagnetic bandgap
  • dielectric sheets for wave impedance matching have been used to reduce reflections.
  • current devices such as smartphones are required to be as small as possible, oftentimes with a curved design with a sleek metal frame and a large display, while still accommodating more and more technology.
  • Known EBG structures e.g. “mushroom” shaped EBG structures, are costly to manufacture and reserve space on the printed circuit board of the device.
  • battery size and placement is limited as there needs to be a relatively long distance of several millimeters between the antenna module and the metal frame.
  • an antenna arrangement for an electronic apparatus comprising at least one antenna structure comprising at least one antenna element arranged in an antenna plane, the antenna element(s) being configured to generate electromagnetic radiation in a first direction perpendicular to the antenna plane, and a dielectric cover structure configured to cover at least the antenna structure.
  • At least one dielectric arrangement extends in a main dielectric plane parallel with the antenna plane and being at least partially superimposed with the antenna structure, the dielectric arrangement being aligned with at least one antenna element of the antenna structure in the first direction.
  • the dielectric arrangement comprises at least one first dielectric section having a first dielectric constant and at least one second dielectric section having a second dielectric constant different from the first dielectric constant.
  • the dielectric cover structure and the dielectric arrangement are configured such that they together allow propagation of the electromagnetic radiation in the first direction.
  • the disclosure enables, e.g., millimeter-wave radiation to propagate through the cover structure of mobile terminals and other devices with greater radiation efficiency and wider antenna bandwidth, and without beam distortion.
  • the broadside antenna radiation characteristics in millimeter-wave frequencies e.g. 60 GHz, are improved in devices with dielectric covers due to a reduction of reflections and surface waves.
  • the disclosure is easy to integrate and low cost, since one and the same structure can be used for both impedance matching in the z-direction, i.e. the above-mentioned first direction, and surface wave reduction in the xy-plane.
  • the cover structure and the dielectric arrangement together have a thickness of X/2, X being the wavelength of the electromagnetic radiation and the thickness being measured along the first direction. This achieves maximum efficiency for plane wave excitation, allowing a less distorted radiation pattern to propagate through the cover structure.
  • the antenna structure comprises only one antenna element and the dielectric arrangement comprises only one first dielectric section, facilitating an as simple manufacturing process and as small solution as possible.
  • an interface is formed between each adjacent pair of first dielectric section and second dielectric section, the interface being configured to provide an electromagnetic bandgap, such that there is no need to provide a separate electromagnetic bandgap structure.
  • the dielectric arrangement is separated from the antenna structure by a first air gap and/or separated from the dielectric cover structure by a second air gap, allowing the antenna arrangement to be configured to fit in with surrounding elements.
  • the dielectric arrangement is arranged in direct abutment with at least one of the dielectric cover structure and the antenna structure, providing a secure surface for attaching the dielectric element which is at the desired distance from the antenna structure.
  • the dielectric arrangement is fixed to a first surface of the dielectric cover structure facing towards the antenna structure, or the dielectric arrangement is fixed to a second surface of the cover structure facing away from the antenna structure. This allows the dielectric arrangement to be completely protected from the exterior and facilitates a completely flat outer surface which is suitable, e.g., when the cover structure is a glass cover for a display panel, or allows freeing up of space within the apparatus.
  • each first dielectric section has a tapered, cylindrical, or rectangular shape, providing maximum flexibility in view of surrounding elements, creation of electromagnetic bandgap, and manufacturing possibilities.
  • each first dielectric section forms a protrusion relative the dielectric cover structure in the first direction or in a second direction opposite to the first direction, allowing the total thickness of dielectric material to be increased to not coincide with certain wavelengths.
  • the dielectric arrangement comprises at least one monolithic first dielectric section, allowing the amount of dielectric material used to be minimized and allowing use of existing injection molding technology.
  • the dielectric arrangement comprises a plurality of first dielectric sections, the first dielectric sections being repeated periodically in the main dielectric plane, such that adjacent first dielectric sections are separated by second dielectric sections, facilitating an arrangement which has any desired area and efficiency.
  • a periodical arrangement further improves the efficiency of the antenna arrangement.
  • the dielectric arrangement comprises a sheet material perforated by at least one through-going opening forming one second dielectric section, each section of sheet material extending between adjacent through-going openings forming one first dielectric section.
  • the dielectric arrangement is configured to share a symmetry axis with at least one antenna element of the antenna structure, the symmetry axis extending perpendicular to the antenna plane, improving the efficiency of the antenna arrangement.
  • At least one first dielectric section of the dielectric arrangement is offset, in the main dielectric plane, relative a position of the antenna element in the antenna plane, simplifying the assembly process.
  • the dielectric arrangement comprises a matrix of first dielectric sections arranged in the main dielectric plane, allowing the dielectric arrangement to extend two-dimensionally.
  • the dielectric arrangement has a thickness of X/4 in one of the first direction and a second direction opposite to the first direction, X being a wavelength of the electromagnetic radiation.
  • the dielectric arrangement has a width, in the dielectric plane, which is >50 % of a corresponding width of the antenna structure in the antenna plane. This allows the dielectric arrangement to comprise as little material as possible, since it is sufficient that there is formed an interface or electromagnetic bandgap at the desired frequency.
  • each first dielectric section comprises a solid dielectric material, the thickness of the cover structure and the dielectric arrangement together depending on the dielectric constant and/or the thickness of the first dielectric section.
  • the thickness and the permittivity of the dielectric arrangement may be used to impedance match with the cover structure, thus reducing reflection of the electromagnetic radiation.
  • the dielectric material of the first dielectric section has a dielectric constant of between 3-10. This allows material to be chosen based on radiation frequency and, e.g., distance between antenna structure and cover structure.
  • the second dielectric section has a dielectric constant which is lower than the dielectric constant of the first dielectric section, facilitating the creation of an electromagnetic bandgap.
  • the dielectric cover structure comprises at least one of glass and plastic material, see-through materials known to provide high-end finishes, ease of manufacture, and/or durability.
  • an electronic apparatus comprising at least one antenna arrangement according to the above, the dielectric cover structure of the antenna arrangement at least partially forming an outer surface of the electronic apparatus.
  • the disclosure enables, e.g., millimeter-wave radiation to propagate through the cover structure of mobile terminals and other devices with greater radiation efficiency and wider antenna bandwidth, and without beam distortion.
  • the apparatus comprises antennas with improved broadside radiation characteristics in millimeter-wave frequencies, e.g. 60 GHz, due to a reduction of reflections and surface waves.
  • the electronic apparatus comprises at least a first antenna arrangement and a second antenna arrangement, the first antenna arrangement comprising first antenna elements and a first dielectric arrangement, the second antenna arrangement comprising second antenna elements and a second dielectric arrangement, the dielectric arrangement of the second antenna arrangement being configured differently than the dielectric arrangement of the first antenna arrangement with respect to at least one of an outer dimension, shape, or absolute permittivity.
  • the first antenna arrangement and the second antenna arrangement share one dielectric cover structure, and the antenna elements of the first antenna arrangement being arranged adjacent the antenna elements of the second antenna arrangement in a common antenna plane, minimizing the number of components as well as the space they require.
  • the first antenna arrangement is configured to generate and allow propagation of electromagnetic radiation within a first frequency range
  • the second antenna arrangement is configured to generate and allow propagation of electromagnetic radiation within a second frequency range at least partially different from the first frequency range, facilitating multi-band operation for, e.g., radar systems.
  • Fig. la shows a schematic top view of an electronic apparatus and an antenna arrangement in accordance with an example of the embodiments of the disclosure
  • Fig. lb shows a partial cross-sectional side view of the example shown in Fig. la;
  • Fig. 2a shows a schematic top view of an electronic apparatus and an antenna arrangement in accordance with an example of the embodiments of the disclosure
  • Fig. 2b shows a partial cross-sectional side view of the example shown in Fig. 2a;
  • Fig. 3a shows a schematic top view of an electronic apparatus and an antenna arrangement in accordance with an example of the embodiments of the disclosure
  • Fig. 3b shows a partial cross-sectional side view of the example shown in Fig. 3a;
  • Fig. 4 shows a partial cross-sectional side view of an antenna arrangement in accordance with an example of the embodiments of the disclosure
  • Fig. 5 shows a partial cross-sectional side view of an antenna arrangement in accordance with an example of the embodiments of the disclosure
  • Fig. 6 shows a partial cross-sectional side view of an antenna arrangement in accordance with an example of the embodiments of the disclosure
  • Fig. 7 shows a partial cross-sectional side view of an antenna arrangement in accordance with an example of the embodiments of the disclosure
  • Fig. 8 shows a partial cross-sectional side view of an antenna arrangement in accordance with an example of the embodiments of the disclosure
  • Fig. 9 shows a partial cross-sectional side view of an antenna arrangement in accordance with an example of the embodiments of the disclosure
  • Fig. 10 shows a partial cross-sectional side view of an antenna arrangement in accordance with an example of the embodiments of the disclosure.
  • the disclosure relates to an antenna arrangement 1 for an electronic apparatus 2 comprising at least one antenna structure 9 comprising at least one antenna element 3 arranged in an antenna plane Pl, the antenna element(s) 3 being configured to generate electromagnetic radiation in a first direction DI perpendicular to the antenna plane Pl; a dielectric cover structure 4 configured to cover at least the antenna structure 9; and at least one dielectric arrangement 5 extending in a main dielectric plane P2 parallel with the antenna plane Pl and being at least partially superimposed with the antenna structure 9, the dielectric arrangement 5 being aligned with at least one antenna element 3 of the antenna structure 9 in the first direction DI, the dielectric arrangement 5 comprising at least one first dielectric section 6a having a first dielectric constant and at least one second dielectric section 6b having a second dielectric constant different from the first dielectric constant, the dielectric cover structure 4 and the dielectric arrangement 5 being configured such that they together allow propagation of the electromagnetic radiation in the first direction DI.
  • Figs, la, 2a, and 3a show examples of electronic apparatuses 2 comprising at least one such antenna arrangement 1.
  • the Figs, show a portable device such as a smartphone, however, the electronic apparatus may be any kind of apparatus comprising an antenna arrangement.
  • a dielectric cover structure 4 of the antenna arrangement 1 is configured such that it at least partially forms an outer surface of the electronic apparatus 2.
  • the dielectric cover structure 4 may be a glass cover applied onto a display panel, a radome configured to cover an antenna element or an antenna array, or, in automotive radar applications, a plastic bumper.
  • the antenna arrangement 1 for an electronic apparatus 2 comprises at least one antenna structure 9 comprising at least one antenna elements 3 arranged in an antenna plane Pl.
  • the antenna element(s) 3 is configured to generate electromagnetic radiation in a first direction DI perpendicular to the antenna plane Pl.
  • the antenna elements 3 may be arranged in at least one array extending within the antenna plane.
  • Figs. 4 to 9 show one antenna structure 9 comprising one antenna element 3 or one antenna array.
  • Fig. 10 shows two antenna structures 9, each antenna structure 9 comprising one antenna element 3a, 3b or one antenna array.
  • the antenna arrangement 1 may comprise further antenna structures 9, and the antenna structures 9 may be arranged adjacent each other.
  • the above-mentioned dielectric cover structure 4 is configured to cover, i.e. be arranged such that it is superimposed onto and protects from the exterior, at least the antenna structure 9.
  • the dielectric cover structure 4 may comprise at least one of a glass and a plastic material.
  • At least one dielectric arrangement 5 extends in a main dielectric plane P2 which is parallel with the antenna plane Pl.
  • the dielectric arrangement 5 is, furthermore, at least partially superimposed with the antenna structure 9.
  • the antenna structure 9 may have one or more radiator elements arranged in the antenna plane Pl.
  • Figs, lb and 2b show embodiments wherein the dielectric arrangement 5 is completely and symmetrically superimposed with the antenna structure 9, due to the antenna structure 9 being wider than the dielectric arrangement 5.
  • Figs. 3b, 7, and 8 show embodiments wherein the dielectric arrangement 5 is partially superimposed with the antenna structure 9, due to the dielectric arrangement 5 being wider than the antenna structure 9.
  • dielectric arrangement(s) 5 is/are completely superimposed with the antenna structure 9, due to the antenna structure 9 and the dielectric arrangement 5 having the exact same widths. Furthermore, the dielectric arrangement 5 may be narrower than the antenna structure 9 (not shown). The choice of configuration depends on the distance to the radiator element and the combined thickness of the dielectric arrangement 5 and the dielectric cover structure 4.
  • the dielectric arrangement 5 comprises at least one first dielectric section 6a having a first dielectric constant and at least one second dielectric section 6b having a second dielectric constant which is different from the first dielectric constant.
  • the dielectric arrangement 5 may be configured such that an interface is formed between each adjacent pair of first dielectric section 6a and second dielectric section 6b, the interface being configured to provide an electromagnetic bandgap. As long as this electromagnetic bandgap is created within the desired frequency range, the dielectric arrangement 5 can have any configuration.
  • the dielectric material of the first dielectric section 6a may have a dielectric constant of between 3-20.
  • the dielectric material of the first dielectric section 6a may be the same material as, or a different material than, the cover structure 4, e.g. glass or plastic, which typically has a dielectric constant of 7-7.
  • the second dielectric section 6b may have a dielectric constant which is lower than the dielectric constant of the first dielectric section 6a.
  • the second dielectric section 6b may comprise air having a dielectric constant of 1, however any material having a dielectric constant which is lower than the dielectric constant of the first dielectric section 6a is conceivable.
  • the dielectric arrangement 5 may comprise a plurality of first dielectric sections 6a, the first dielectric sections 6a being repeated periodically in the main dielectric plane P2, such that adjacent first dielectric sections 6a are separated by second dielectric sections 6b.
  • the periodic repetition may be in one dimension or in two dimensions.
  • the dielectric arrangement 5 may comprise a matrix of first dielectric sections 6a arranged in the main dielectric plane P2.
  • Fig. la shows the first dielectric sections 6a being repeated periodically in a 2x4 matrix pattern
  • Fig. 3a shows the first dielectric sections 6a being repeated periodically in a 4x4 matrix pattern.
  • the dielectric arrangement 5 may comprise at least one monolithic first dielectric section 6a, n other words individual sections which are completely separate from each other as illustrated in Figs, la and 3a.
  • Fig. 2a shows the first dielectric sections 6a being repeated periodically as the surface area of one dielectric sheet material.
  • the dielectric arrangement 5 may comprise a sheet material which is perforated by at least one through-going opening forming one second dielectric section 6b. This allows each section of sheet material, which extends between adjacent through-going openings/ second dielectric sections 6b, to form one first dielectric section 6a.
  • Figs. 2a shows the second dielectric sections 6b as having elongated shapes and arranged in a perpendicular pattern such that some second dielectric sections 6b are arranged in one row and other second dielectric sections 6b are arranged in three columns. Any suitable number of such rows and columns, as well as any suitable shape and pattern, is possible, as long as they together create a plurality of first dielectric sections 6a.
  • the dielectric arrangement 5 may be separated from the antenna structure 9 by a first air gap 7.
  • the dielectric arrangement 5 may also be separated from the dielectric cover structure 4 by a second air gap 8, as shown in Fig. 5, or the dielectric arrangement 5 may only be separated from the dielectric cover structure 4 by the second air gap 8, as shown in Fig. 6.
  • the configuration selected depends on what is most suitable in view of the other components of the apparatus and the intended use.
  • the thickness of the first air gap 7 and the second air gap 8 may be any suitable thickness. In some special cases, the thickness of the first air gap 7 and/or the second air gap 8 is substantially X/2, being the wavelength of the electromagnetic radiation.
  • the dielectric arrangement 5 may be arranged in direct abutment, i.e. direct physical contact, with at least one of the dielectric cover structure 4 and the antenna structure 9.
  • Figs, lb, 2b, 3b, 4, and 7 to 10 show the dielectric arrangement 5 being arranged in direct abutment with the dielectric cover structure 4.
  • Fig. 6 shows the dielectric arrangement 5 being arranged in direct abutment with the antenna structure 9.
  • the dielectric arrangement 5 may be fixed to a first surface 4a of the dielectric cover structure 4 facing towards the antenna structure 9, i.e., the inner surface of the dielectric cover structure 4. This allows the dielectric arrangement 5 to be completely protected from the exterior and facilitates a completely flat outer surface which is suitable, e.g., when the cover structure 4 is a glass cover for a display panel.
  • the dielectric arrangement 5 may instead be fixed to a second surface 4b of the cover structure 4 facing away from the antenna structure 9, i.e., the outer surface of the dielectric cover structure 4, freeing up space within the apparatus 2.
  • Each first dielectric section 6a may form a protrusion relative the dielectric cover structure 4 in the first direction DI, as shown in Fig. 4 wherein the dielectric arrangement 5 is fixed to the second, outer surface 4b of the cover structure 4.
  • Each first dielectric section 6a may instead form a protrusion relative the dielectric cover structure 4 in a second direction D2 opposite to the first direction DI, as shown in Figs. 7 to 10 wherein the dielectric arrangement 5 is fixed to the first, inner surface 4a of the cover structure 4.
  • the first dielectric sections 6a may be attached to the first, inner surface 4a or the second, outer surface 4b of the cover structure 4.
  • the first dielectric sections 6a may be formed in one piece with the cover structure 4.
  • Each first dielectric section 6a regardless of whether it is an individual element or a section of a dielectric sheet, may have a tapered, cylindrical, or rectangular shape such as a box, a pyramid, a cone, etc. Any suitable shape is possible, as long as the shape generates a protrusion, or dielectric thickening, relative the dielectric material of the cover structure 4.
  • the dielectric arrangement 5 may be aligned with at least one antenna element 3 of the antenna structure 9 in the first direction DI perpendicular to the antenna plane Pl, such that the dielectric arrangement 5 at least partially overlaps the antenna structure 9.
  • Figs, lb, 2b, 4 to 6, 9, and 10 show embodiments wherein the entire dielectric arrangement 5 is aligned with, and completely overlapping, the antenna structure 9.
  • Figs. 3b, 7, and 8 show embodiments wherein only parts of the dielectric arrangement 5, i.e., not all first dielectric sections 6a, aligned with, and completely overlap, the antenna structure 9.
  • the dielectric arrangement 5 may be configured to share a symmetry axis Al with at least one antenna element 3 of the antenna structure 9, the symmetry axis Al extending perpendicular to the antenna plane Pl.
  • the dielectric arrangement 5 may instead be configured such that it does not share a symmetry axis Al with at least one antenna element 3 of the antenna structure 9, i.e., such that at least one first dielectric section 6a of the dielectric arrangement 5 is offset, in the main dielectric plane P2, relative a position of the antenna element in the antenna plane Pl, as shown in Fig. 9.
  • Such an offset of first dielectric section(s) 6a generates a variation in width of the second dielectric sections 6b.
  • the dielectric arrangement 5 may have a thickness Tl, as seen in one of the first direction DI and the second direction D2 opposite to the first direction DI.
  • the dielectric cover structure 4 together with the dielectric arrangement 5 may have a thickness T2, as seen in one of the first direction DI and the second direction D2 opposite to the first direction DI.
  • Thickness Tl and thickness T2 are, in other words, measured along the first direction DI or correspondingly, along the second direction D2.
  • Thickness T2 is always at least as large as, e.g. larger than, thickness Tl, and is chosen such that the dielectric cover structure 4 and the dielectric arrangement 5 together allow propagation of the electromagnetic radiation in the first direction DI .
  • the dielectric arrangement 5 may have a thickness T1 of X/4, X being the wavelength of the electromagnetic radiation.
  • the cover structure 4 and the dielectric arrangement 5 may together have a thickness T2 of X/2.
  • the thickness T2 may include the thickness of the first air gap 7 and/or the second air gap 8.
  • the thickness T2 may, in other words, be calculated using the thickness of the cover structure 4 and the dielectric arrangement 5 only, or including one or both of the first air gap 7 and the second air gap 8.
  • the cover structure 4 works as a reflector if its thickness is close to X/4. In fact, a very common thickness for a glass cover structure in smartphones in 60 GHz is actually X/4, quarter wavelength.
  • the X/4 thickness is 0.5 mm at 60 GHz.
  • the X/4 thickness would be 0.72 mm at 60 GHz and 1.44 mm at 30 GHz.
  • the dielectric arrangement 5 of the disclosure By adding the dielectric arrangement 5 of the disclosure, it is possible to clearly reduce reflection losses due to wave impedance matching. For example, by attaching a dielectric arrangement 5 with a size of 2mm x 2mm x 0.7 mm, the latter being the thickness Tl, and a dielectric constant of 4.0, attached to a glass cover, X/4 becomes 0.626 mm at 60 GHz. If then selecting, e.g., a thickness Tl of 0.55 mm, reflection losses can be reduced from -3 dB, as in prior art, to -0.9 dB.
  • the dielectric arrangement 5 may have a width W1 in the dielectric plane P2 and the antenna structure 9 may have a width W2 in the antenna plane Pl.
  • Width W1 may be larger, smaller, or the same as width W2.
  • the dielectric arrangement 5 may have a width Wl, in the dielectric plane P2, which is >50 % of a corresponding width W2 of the antenna structure 9 in the antenna plane Pl, as shown in the Figs.
  • Each first dielectric section 6a may comprise a solid dielectric material such as glass or plastic.
  • the necessary thickness Tl of the dielectric arrangement 5 may depend on the dielectric constant, i.e. the permittivity, of the dielectric material and/or the thickness of the first dielectric section 6a.
  • the wavelength of the electromagnetic radiation changes inside the dielectric arrangement 5 depending on the permittivity of its material.
  • the thickness T1 may be adapted by a choice of material, and not necessarily only by choosing a particular thickness corresponding to, e.g., X/4.
  • the thickness T1 and the permittivity of the dielectric arrangement 5 is used to impedance match with the cover structure 4, thus reducing reflection of the electromagnetic radiation.
  • the electronic apparatus 2 may comprise, as shown in Fig. 10, at least a first antenna arrangement la and a second antenna arrangement lb.
  • the first antenna arrangement la comprises first antenna elements 3a and a first dielectric arrangement 5a
  • the second antenna arrangement lb comprises second antenna elements 3b and a second dielectric arrangement 5b.
  • the first antenna arrangement la and the second antenna arrangement lb may share one dielectric cover structure 4, as shown in Fig. 10.
  • the antenna elements 3 a of the first antenna arrangement la may be arranged adjacent the antenna elements 3b of the second antenna arrangement lb in a common antenna plane Pl.
  • the dielectric cover structure 4 of the electronic apparatus 2 may be divided such that each antenna arrangement la, lb comprises one dielectric cover structure 4 each, and the antenna elements 3a of the first antenna arrangement la may be arranged at a distance from the antenna elements 3b of the second antenna arrangement lb, the distance being relatively large and/or the antenna elements 3a of the first antenna arrangement la may be separated from the antenna elements 3b of the second antenna arrangement lb by, e.g., other elements of the apparatus such as a battery.
  • the first antenna elements 3a and the second antenna elements 3b may be identical as shown in Fig. 10 or configured differently (not shown).
  • the first dielectric arrangement 5a and the second dielectric arrangement 5b may also be identical (not shown) or configured differently as shown in Fig. 10.
  • the difference(s) in configuration regarding the first dielectric arrangement 5a and the second dielectric arrangement 5b may be differences in at least one of an outer dimension, shape, or absolute permittivity.
  • Fig. 10 shows a difference in thickness T1 between the first dielectric arrangement 5a and the second dielectric arrangement 5b.
  • the first antenna arrangement la may be configured to generate and allow propagation of electromagnetic radiation within a first frequency range
  • the second antenna arrangement lb may be configured to generate and allow propagation of electromagnetic radiation within a second frequency range at least partially different from the first frequency range.
  • the electromagnetic radiation in question may be in the range of 1-130 GHz.
  • Each antenna structure 9 has its own optimal dielectric arrangement dimensions based on the frequency band of that antenna structure 9.
  • the dielectric material of the dielectric arrangements 5a, 5b can be either the same, and thus their thicknesses varied, or different, and thus their thickness the same.
  • a high dielectric constant, >6, may be needed for frequencies below 30 GHz if the gap between antenna structure 9 and cover structure 4 is limited, i.e. ⁇ 1.5mm.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne un agencement d'antenne (1) pour un appareil électronique (2) comprenant au moins une structure d'antenne (9) comprenant au moins un élément d'antenne (3) disposé dans un plan d'antenne (P1), l'élément d'antenne (3) générant un rayonnement électromagnétique dans une première direction (D1) perpendiculaire au plan d'antenne (P1). Une structure de couvercle diélectrique (4) recouvre ladite structure d'antenne (9). Au moins un agencement diélectrique (5) s'étend dans un plan diélectrique principal (P2) parallèle au plan d'antenne (P1), est au moins partiellement superposé à la structure d'antenne (9), et aligné avec au moins un élément d'antenne (3) de la structure d'antenne (9). L'agencement diélectrique (5) comprend au moins une première section diélectrique (6a) ayant une première constante diélectrique et au moins une seconde section diélectrique (6b) ayant une seconde constante diélectrique. La structure de couvercle diélectrique (4) et l'agencement diélectrique (5) permettent ensemble la propagation d'un rayonnement électromagnétique dans la première direction (D1).
PCT/EP2021/074833 2021-09-09 2021-09-09 Agencement d'antenne pour appareil électronique WO2023036425A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/EP2021/074833 WO2023036425A1 (fr) 2021-09-09 2021-09-09 Agencement d'antenne pour appareil électronique
EP21773606.5A EP4367750A1 (fr) 2021-09-09 2021-09-09 Agencement d'antenne pour appareil électronique
CN202180099671.6A CN117652061A (zh) 2021-09-09 2021-09-09 用于电子装置的天线装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2021/074833 WO2023036425A1 (fr) 2021-09-09 2021-09-09 Agencement d'antenne pour appareil électronique

Publications (1)

Publication Number Publication Date
WO2023036425A1 true WO2023036425A1 (fr) 2023-03-16

Family

ID=77864604

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/074833 WO2023036425A1 (fr) 2021-09-09 2021-09-09 Agencement d'antenne pour appareil électronique

Country Status (3)

Country Link
EP (1) EP4367750A1 (fr)
CN (1) CN117652061A (fr)
WO (1) WO2023036425A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170201014A1 (en) * 2016-01-07 2017-07-13 Samsung Electronics Co., Ltd Electronic device with antenna device
WO2020187147A1 (fr) * 2019-03-20 2020-09-24 Oppo广东移动通信有限公司 Appareil antenne à ondes millimétriques et dispositif électronique
WO2021000731A1 (fr) * 2019-06-30 2021-01-07 Oppo广东移动通信有限公司 Ensemble antenne et dispositif électronique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170201014A1 (en) * 2016-01-07 2017-07-13 Samsung Electronics Co., Ltd Electronic device with antenna device
WO2020187147A1 (fr) * 2019-03-20 2020-09-24 Oppo广东移动通信有限公司 Appareil antenne à ondes millimétriques et dispositif électronique
WO2021000731A1 (fr) * 2019-06-30 2021-01-07 Oppo广东移动通信有限公司 Ensemble antenne et dispositif électronique
US20220102855A1 (en) * 2019-06-30 2022-03-31 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Antenna assembly and electronic device

Also Published As

Publication number Publication date
CN117652061A (zh) 2024-03-05
EP4367750A1 (fr) 2024-05-15

Similar Documents

Publication Publication Date Title
CN111989824B (zh) 具有天线罩影响消除特征的多带基站天线
US11575197B2 (en) Multi-band antenna having passive radiation-filtering elements therein
KR100859718B1 (ko) 인공자기도체를 이용한 도체 부착형 무선인식용 다이폴태그 안테나 및 그 다이폴 태그 안테나를 이용한 무선인식시스템
EP3381084B1 (fr) Antennes réseau à commande de phase comportant des unités de découplage
US11652288B2 (en) Antenna
US10886621B2 (en) Antenna device
EP1748516A1 (fr) Réseau d'antennes plat avec element d'isolation
TW201902023A (zh) 具夾持機構之天線孔徑
US11283193B2 (en) Substrate integrated waveguide antenna
CN112397898B (zh) 天线阵列组件及电子设备
EP3772131A1 (fr) Dispositif d'antenne et dispositif électronique
US11843183B2 (en) Multi-band antenna structure
US11962066B2 (en) Terminal device
CN110957569A (zh) 一种宽频辐射单元及天线
CN108923112B (zh) 一种天线装置及终端设备
US20220368034A1 (en) Antenna array device
GB2539279A (en) Frequency selective surface for reducing antenna coupling
JP6837932B2 (ja) アンテナ
CN101847785B (zh) 双频平面式微带天线
CN108417984B (zh) 一种平衡偶极子单元及宽带全向共线阵列天线
WO2023036425A1 (fr) Agencement d'antenne pour appareil électronique
US20220102841A1 (en) Antenna assembly and electronic device
US20220123471A1 (en) Patch radiating element and antenna assembly
CN107331950B (zh) 一种圆形4g lte mimo车载天线
CN217485706U (zh) 天线组件和基站天线

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: 21773606

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 202180099671.6

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2021773606

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2021773606

Country of ref document: EP

Effective date: 20240207

NENP Non-entry into the national phase

Ref country code: DE