EP2937933B1 - Breitbandantennenelement mit niedrigem Profil und Antenne - Google Patents

Breitbandantennenelement mit niedrigem Profil und Antenne Download PDF

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Publication number
EP2937933B1
EP2937933B1 EP14305603.4A EP14305603A EP2937933B1 EP 2937933 B1 EP2937933 B1 EP 2937933B1 EP 14305603 A EP14305603 A EP 14305603A EP 2937933 B1 EP2937933 B1 EP 2937933B1
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EP
European Patent Office
Prior art keywords
antenna
antenna elements
arms
ground plate
elongate arms
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.)
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EP14305603.4A
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English (en)
French (fr)
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EP2937933A1 (de
Inventor
Martin Gimersky
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Alcatel Lucent SAS
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Alcatel Lucent SAS
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Priority to EP14305603.4A priority Critical patent/EP2937933B1/de
Publication of EP2937933A1 publication Critical patent/EP2937933A1/de
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Publication of EP2937933B1 publication Critical patent/EP2937933B1/de
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Classifications

    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the 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
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means

Definitions

  • the present invention relates to the field of antennas and antenna elements and in particular, to low profile wideband antenna and antenna elements suitable for use in the field of wireless communication.
  • Wireless communication networks are known and are generally arranged in a cellular system where radio coverage is provided to user equipment, for example, mobile telephones, by geographical area. Those geographical areas of radio coverage are known as cells. A base station or network node is located in each geographical area to provide the required radio coverage. As new standards used to transmit signals are added, new frequencies are required for transmitting the new signals required by the new standards which in their turn require antennas with different properties. The mounting of multiple antennas on base station sites creates interference between the antennas and may be both costly and unsightly.
  • a popular type of radiating antenna elements for this purpose is a log-periodic dipole antenna in which a number of dipoles of differing lengths are mounted on a vertical post, each dipole providing a different frequency bandwidth of operation.
  • a drawback of such an antenna is it is bulky and not amenable to low profile solutions.
  • US2008/0284661 discloses a low cost multi-featured antenna which employs a radiating element mounted on a ground plate and having two arms.
  • the antenna can be either linear or circular polarisation, however the linear polarisation embodiment is provided with an antenna with a single arm. There is one feeding leg and one ground leg to each antenna element.
  • US2002/0140612 discloses a diversity antenna system providing two RF signals such that the connected communication device can use the strongest RF signal.
  • the two arms are in effect fed by different feed probes such that two resonant frequencies are generated.
  • WO2012/001729 discloses a planar inverted-F antenna for multi-band operation. Thus, it seeks to provide a compact antenna which achieves good decoupling between feed ports for different frequency bands.
  • US2012/0287011 discloses an electronic device including an antenna system having two or four asymmetric L shaped antenna elements. Each antenna element is driven through a driving point on one of the arms via signal lines arranged in a saltire, the feed signals passing through a phase shifter so that they are out of phase with each other.
  • US 7,477,201 B1 discloses an antenna system having four antenna elements located at the vertices of a square dielectric substrate.
  • a first aspect of the present invention provides an antenna comprising two antenna elements, said two antenna elements each comprising: two elongate arms mounted on and at a distance from a ground plate such that they lie in a plane at a distance from a surface plane of said ground plate, said two elongate arms being angled with respect to each other; said two elongate arms being formed of a conductive material and forming radiating elements of said antenna element; at least one conductive connecting member connecting a conductive surface of said ground plate to at least one of said arms; and at least one feed probe for feeding an input signal to said two arms, said at least one feed probe being spaced apart from said at least one conductive connecting member; wherein said two antenna elements are mounted on said ground plate facing each other, such that a same line substantially bisects an angle between said two elongate arms of each of said antenna elements, said two antenna elements being configured to provide a single linearly polarised beam pattern; and wherein said feed probe of each of said antenna elements comprises two feed lines extending towards a point on
  • the present invention addresses the competing problems of providing antennas of a low size and profile and yet with a wide bandwidth of operation. It has found that by combining the basic form of a dipole antenna having two arms and yet mounting and feeding it in a way similar to that of a planar inverted-F antenna (PIFA), an antenna which combines the advantages of each type of antenna element is provided, giving an antenna element with a wide bandwidth of operation as is provided by PIFA antenna elements yet with a reduced footprint.
  • the reduced footprint arises due to the replacement of the PIFA's patch part with two elongate arms. This can be done without unduly affecting performance as in a PIFA the majority of the current flows around the edge of the patch and thus, changing the patch to elongate arms reduces the footprint while having only a slight effect on operation.
  • the ground plate may be a metallic plate or a plate with a conductive layer. It may have a number of forms, for example it may have a continuous planar form or it may form a plane with some portions being absent, such that a circumferential hollow shape is provided. Furthermore, where the ground plate consists of a conductive layer on a surface of another material such as a substrate, the conductive layer may cover the whole of the surface of the other material or it may just cover a portion of the surface.
  • the conductive connecting member connects to the conductive surface allowing current to flow between the arms and the ground plate.
  • the arms lie in a plane at a distance from the surface of the ground plate.
  • the plane is substantially parallel to the surface of the ground plate, preferably at an angle of less than 10° to the surface.
  • an angle of up to 40° would provide an antenna element with suitable properties, however, its profile would be larger than were the plane parallel to the ground plate, thus in preferred embodiments the arms are substantially parallel to the ground plate.
  • said conductive connecting member connects said two elongate arms to said ground plate at a vertex of said two elongate arms where said two elongate arms meet.
  • the conductive connecting member may connect the two elongate arms to the ground plate at a number of places, connecting them at the vertex of the elongate arms where the elongate arms meet provides a conductive connection to both arms by a single structure and also provides a structurally sound support for the arms making the antenna element robust.
  • the feed probe comprises two feed lines extending towards a point on each of said two elongate arms such that each of said elongate arms receive said input signal.
  • the feed probe comprises two feed lines to feed a signal to both arms.
  • this feed probe has the form of a fork such that a single signal line diverges into two equal length feed lines which feed equal signals to the two arms of the antenna element.
  • said two elongate arms are substantially identical.
  • the antenna element may function quite well if the elongate arms are not the same, generally a more efficient antenna element is achieved if they are substantially identical both radiating in a similar way.
  • the feedlines are arranged to supply a substantially identical signal to each of the elongate arms at a substantially same point on each of the arms. In this way, the two arms will radiate in the same way and cooperate to provide an efficient antenna.
  • said two elongate arms have a substantially planar rectangular form.
  • the elongate arms may take a number of forms, a substantially planar rectangular form was found to be both spatially efficient and form an antenna element with a high performance.
  • said two elongate arms are arranged at between 70° and 110° with respect to each other. Arranging the arms with these sorts of angles provides an antenna element which takes advantage of the dipole type shape of the element and produces an efficient radiation beam. In some cases, 90° may be preferable and this may be the case where the antenna element is being used within circuitry that is formed substantially of squares such that these types of elements will fit well within available space. In this regard having arms arranged at such angles makes it practical to nest other components within the arms leading to an efficient use of space.
  • Antenna elements arranged facing each other are arranged such that the bisection line of the angle between the two arms is substantially the same line for each of the antenna elements in order for their signals to add together.
  • the lines bisecting the angles of the two antenna arms are not the same line, the two bisecting lines should be close together, at a distance of less than a half of a length of one of the elongate arms, and they should be substantially parallel to each other (less than 20° out of alignment), such that spatial power combination can take place between the signals transmitted from each antenna, thus providing a single linearly polarised beam pattern with low cross polarisation.
  • said ground plate has a substantially quadrilateral outer form and said two antenna elements are mounted at or adjacent to diagonally opposing corners of said ground plate, said elongate arms of each of said antenna elements being arranged such that said arms extend over said ground plate.
  • the ground plate can have a number of forms, in some embodiments it will have a substantially quadrilateral outer form with the two antenna elements being mounted at or close to diagonally opposing corners.
  • the antenna elements are arranged so that the arms extend out over the top of the ground plate.
  • the quadrilateral outer form is a form that is easy to manufacture and place within protective casings and fits conveniently with other elements that antennae may be used in conjunction with. Placing the antenna elements at or close to diagonally opposing corners provides the arrangement of the antenna elements required for the beams to constructively interfere with each other. Furthermore, by placing these antenna elements close to the edge of the ground plate, the ground plate size does not increase the overall size of the antenna and an antenna with a smaller footprint can be achieved.
  • the quadrilateral may be square, allowing the antenna elements to face each other, have a 90° angle between the arms thereby fitting well into a corner.
  • said antenna further comprises an input signal feed distribution line configured to feed said input signal as a differential input signal to each feed probe of said two antenna elements, such that each antenna element receives said input signal with a phase difference of substantially 180° when operating at or close to a central frequency of a bandwidth of said antenna with respect to said other antenna element.
  • phase difference of substantially 180° between the two input signals will achieve suitable constructive interference.
  • the phase difference is calculated with respect to a signal operating at or close to a central frequency of the bandwidth. In this way, signals at either edge of the bandwidth will not be too far from this preferred phase difference and an efficient antenna where signals from each antenna element combine constructively will be obtained.
  • said ground plate is a conductive area mounted on a substrate sheet, said input signal feed distribution line lying on an outer surface of said substrate sheet opposing a surface on which said ground plate is mounted.
  • the ground plate may be a conductive area or indeed a conductive layer mounted on a substrate sheet.
  • a substrate sheet acts to conductively insulate the input signal feedline form the conductive area.
  • said antenna comprises two further antenna elements according to a first aspect of the present invention, said two further antenna elements being mounted facing each other such, that a same line substantially bisects an angle between said two elongate arms of each of said two further antenna elements, wherein said lines bisecting said angle between said arms of said two antenna elements and said arms of said two further antenna elements intersect at an angle of between 70° and 110°, preferably at an angle of substantially 90°.
  • said ground plate has a substantially quadrilateral outer form and said four antenna elements are mounted at or adjacent to corners of said ground plate, said elongate arms of each of said antenna elements being arranged such that said arms extend over said ground plate.
  • each diagonally opposing antenna element receives the input signal with a phase difference of substantially 180° with respect to the other diagonally opposing antenna element, where the antenna elements are being feed with signals at or close to the central frequency of their bandwidth.
  • the antenna elements may be mounted anywhere on the ground plate, in some embodiments they are mounted at or close to a circumferential edge of the ground plate. In this regard, mounting them close to the edge of the ground plate enables a ground plate of a small size to be used. Furthermore, there is an area towards the centre of the ground plate that can be used for mounting other elements that the antenna may be cooperating with. These elements may be other antennae or they may be further electronic circuitry.
  • said antenna further comprises a radiation shielding element mounted on said ground plate and forming a hollow lateral enclosure with said antenna elements being arranged outside of said enclosure.
  • the lateral enclosure may consist of side walls that extend out of the ground plate substantially perpendicular to it and form a fence-type structure that encloses a central section. This central section maybe used to mount other things such as electronic circuitry which will be shielded from the antenna elements.
  • the ground plate may be a continuous area and the central portion may contain the ground plate and on this electronic circuitry may be mounted.
  • the ground plate may have a hollow type structure such that there is a hole in the middle and some further element maybe placed within this.
  • said antenna comprises a further antenna element configured to operate at a different frequency bandwidth to said antenna elements mounted at said circumferential edge of said ground plate, said further antenna element being arranged spaced apart from said circumferential edge antenna elements and being within said enclosure formed by said radiation shielding element.
  • the configuration of the antenna element of the first aspect of the present invention lend themselves well to being outer elements in a multiple element antenna with further antenna elements operating at different frequencies being mounted within the outer elements. In this way, a nested structure is provided and an antenna with a high bandwidth and yet low footprint is provided.
  • the frequency of operation of the inner antenna element may have any suitable value it may be appropriate to put a higher frequency antenna element here as it will generally be smaller.
  • Embodiments of the present invention seek to provide a wideband low-profile antenna element or antenna formed of multiple such antenna elements.
  • Each antenna element has two angled arms which are conductively connected to a ground plate and lie in a plane at a distance from the ground plate, preferably substantially parallel to it, thereby providing a low-profile antenna.
  • the arms are substantially identical and are fed by a signal using a two-prong fork feeding structure such that each arm receives a same signal at a same point.
  • multiple antenna elements may be mounted towards a circumferential edge of the ground plate providing a circumferential topology with a spatial vacancy allowing for the nesting of other components and providing an antenna with a small footprint.
  • the multiple antenna elements are arranged in pairs facing each and fed with signals with a phase difference of substantially 180° such that they provide a single linear co-polarised beam pattern.
  • FIG. 1 shows an antenna element 20 according to an embodiment of the present invention.
  • Antenna element 20 comprises a radiator 1 comprising two identical conductive arms 2 mounted via a metallic shorting post 3 on a ground plate 4. Each of the radiating arms 2 is fed by means of a feeding metallic fork 5.
  • the fork has two prongs with one prong feeding one radiating arm 2 of the pair and the other prong feeding the other radiating arm 2.
  • the prongs are connected directly to the radiating arms although in other embodiments the prongs may not be directly connected but may be proximity coupled to the arms.
  • the input signal is provided to the feeding fork via a feedline (not shown) which runs on the opposing surface of a substrate 6 on which the ground plate 4 is mounted.
  • the antenna element 20 may be used as a single antenna element or it may be mounted on the ground plate 4 as one of a pair of opposing antenna elements which act together as an antenna as is shown in Figure 2 .
  • Figure 2 shows an antenna comprising two antenna elements mounted at opposing corners of a quadrilateral ground plate.
  • the ground plate is a rectangle so that the antenna elements which are facing each other are not exactly aligned with the corners.
  • the feeding of the input signal to the respective antenna elements is provided via a feedline on the reverse side of the substrate 6 on which the ground plate 4 is mounted.
  • the feedline is arranged such that the input signal to one of the antenna elements 20a is 180° out of phase with the signal input to the other antenna element 20b.
  • FIGS 3 and 4 show views from above and below of an antenna having four radiating antenna elements in accordance with an embodiment of the present invention.
  • radiating elements comprising four sequentially rotated identical radiators 1 are placed close to the corners of a substantially square shaped standard radio frequency/ microwave substrate sheet material 6.
  • Each of the four radiators 1 include two metallic radiating arms 2 mutually arranged at a 90° angle, thereby forming a 90° V-shape.
  • the radiating arms 2 are of substantially equal length.
  • Each pair of radiating arms 2 runs in a plane parallel to and an elevated over a metallic ground plane 4.
  • the metallic ground plane extends across the whole surface of a substrate 6, while in other embodiments it may form a frame type arrangement extending around the edge of the square. In this regard, it is advantageous if it extends under the radiating arms.
  • a metallic shorting post 3 electrically connects the vertex of each pair of radiating arms 2 to the ground plate 4.
  • Each pair of radiating arms 2 is fed by means of a feeding metallic fork 5.
  • the fork has two prongs with one prong feeding one radiating arm of the pair and the other prong feeding the other radiating arm 2.
  • the prongs of the feeding fork 5 can be either directly connected to the radiating arms 2 or proximity coupled to the radiating arms 2.
  • the feeding fork 5 is substantially symmetrical and its placement with respect to the pair of radiating arms 2 is substantially symmetrical so that the prongs of the feeding fork 5 feed the radiating arms 2 with radio frequency signals of substantially equal power and phase.
  • each of the radiating forks can be connected to a conventional metallic micro-strip line signal distribution network 7 shown on the reverse surface of the substrate in Figure 4 .
  • the signal distribution network provides differential feeding to the two opposing diagonally placed radiators 1, the pair of which radiates electro-magnetic waves with one linear (+45° or -45° slant) polarisation.
  • Differential feeding provides radio frequency signals of equal amplitude and 180° phase shift compensating for the mutual 180° rotation of the radiators and providing one polarisation.
  • the parts may be manufactured in several ways, for example, as solid or sheet metals, electrically conducted plastics or metalised plastics.
  • FIG 5 shows an alternative embodiment of a four antenna elements, antenna 30 having four opposing radiating elements 20a, 20b, 20c and 20d mounted on a circular ground plate 4 with a hollow centre.
  • Each of the antenna elements 20 are arranged such that the line bisecting the angle between the arms of diagonally opposing antenna elements 20 is a single line that runs through both the diagonally opposing pairs. Furthermore, the bisecting lines of the two pairs intersect with each other at substantially 90°. It should be noted that this is also the case for the four antenna element antenna of Figures 3 and 4 where they are mounted on the corner of a square ground plate.
  • Figure 6 shows a hybrid (nested) multiple band/ultra-wide band radiator consisting of radiating antenna elements 1 in accordance with embodiments of the present invention mounted on each corner of a square ground plate 4 with a higher frequency radiating element 9 mounted in the centre.
  • This higher frequency radiating element 9 may have different forms but owing to its higher frequency of operation, is generally smaller than the lower frequency antenna elements 1 mounted on the outside making it convenient to nest it within the centre.
  • the shape of the outer antenna elements also lend themselves to this nesting arrangement.
  • the radiating shielding element 8 of Figures 3 and 6 can also be used where there is no high frequency antenna placed in the middle but where other electronic circuitry is placed here.
  • the shielding element 8 may additionally act to better direct the beam and improve the performance of the antenna element.
  • one way of producing multiband/ultra-wideband radiators is by nesting a higher-frequency component radiator within low-profile lower-frequency component radiators according to an embodiment of the invention.
  • Another way of looking at the arrangement is that the higher-frequency component radiator is surrounded by the lower-frequency component radiator.
  • radiating elements according to embodiments of the present invention are particularly well suited for use as the lower-frequency component radiator in such (nested) hybrid radiating elements.
  • the antenna elements according to embodiments of the invention have a square footprint and consist of radiators mounted in the corners of the square.
  • the radiating element are suitable for operation with dual ( ⁇ 45°-slant) linear polarization, whereby each polarization is produced by two diagonally positioned radiators fed differentially, i.e., the feeding radio-frequency signals to the radiators are of equal amplitudes, and there is a 180° phase shift between the signals.
  • Typical sizes for such an arrangement are a 15cm x 15 cm ground plate with a profile of less than 3cm.
  • the four individual radiators of the radiating elements according to the embodiments of Figures 3-6 are of identical design and sequentially rotated by 90°.
  • the concept of each of the four radiators has some properties of the V dipole and some of the planar inverted-F antenna (PIFA).
  • the V dipole itself is a derivative of the half-wave dipole and was introduced to address a property of the half-wave dipole's far-field radiation pattern: the far-field radiation pattern of the half-wave dipole in free space is doughnut-shaped, with pronounced minima (theoretically nulls) along the direction of the dipole arms; to fill out these minima, several configurations were proposed, whereby either the outer ends of the dipole arms (such as in the broken-arrow dipole) or the entire dipole arms (the V dipole) are bent at an angle.
  • the radiating element according to the embodiments of the present invention addresses very different performance issues from the V dipole.
  • the PIFA is derived from the quarter-wave half-patch antenna and is widely applied as a low-profile compact antenna design, especially in mobile phones, since the antenna typically has good specific-absorption-rate properties and can have a quasi-omnidirectional radiation pattern, depending on the size of the ground plane and the antenna's position on the ground plane.
  • PIFAs are typically rectangular in footprint.
  • the radiating element according to the principles of the present invention utilizes the concept of a PIFA, but it combines it with the V shape. Since the radiating surface of each radiator is V-shaped, consisting of two arms with substantially equal lengths, radio-frequency feeding is applied to the radiator by means of a two-pronged fork (in contrast, PIFAs use a single feeding probe).
  • the layouts of the embodiments of Figures 2 -4 and 6 yield a square topology with a square-shaped spatial vacancy in the centre.
  • the vacancy may be filled by a higher-frequency radiating element 9 ( Figure 6 ), such as that disclosed in co-pending European patent application 14360005.4 to Alcatel Lucent filed on 18 March 2014.
  • a hybrid multiband/ultra-wideband radiating element is formed by nesting a higher-frequency radiator inside a lower-frequency radiator, a level of radio-frequency isolation between the radiators is provided by spatial separation alone.
  • a radio-frequency fence 8 between the higher-frequency radiating element such as is shown in Figures 3 and 6 may be provided.
  • the radio-frequency fence 8 can be seen as an enclosure of the higher-frequency radiating element 9 and can in some embodiments have a lid that acts to mechanically protect the higher-frequency element and to inhibit the ingress of dirt.
  • a full-wave analysis software tool has been utilized to calculate the scattering parameters and far-field gain radiation patterns of the radiating element depicted in Figures 3, 4 and 6 .
  • Ohmic losses are included in the simulations; copper (Cu) has been considered for all metallic parts.
  • Figure 7 shows the frequency-dependence plot 21 of the magnitudes of the input reflection coefficient 22 (
  • the radiating element has been designed for the operating frequency band of 695-900 MHz (i.e., a relative bandwidth of 25.7%), which is delimited by the markers f 1 and f 2 in the plot 21.
  • Figures 8 and 9 show the typical plots 31 and 41 of the respective co- and cross-polarized far-field gain radiation patterns of the radiating element in the E-, mid- and H-planes. Co-polarized beam integrity and good polarization purity are observed throughout the design operating frequency band. The results demonstrate the radiating element is suitable for utilization in antenna arrays as well as standalone hybrid (nested) multiband/ultra-wideband antennas.
  • processors may be provided through the use of dedicated hardware as well as hardware capable of executing software in association with appropriate software.
  • the functions may be provided by a single dedicated processor, by a single shared processor, or by a plurality of individual processors, some of which maybe shared.
  • processor or “controller” or “logic” should not be construed to refer exclusively to hardware capable of executing software, and may implicitly include, without limitation, digital signal processor (DSP) hardware, network processor, application specific integrated circuit (ASIC), field programmable gate array (FPGA), read only memory (ROM) for storing software, random access memory (RAM), and non-volatile storage. Other hardware, conventional and/or custom, may also be included.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • ROM read only memory
  • RAM random access memory
  • non-volatile storage Other hardware, conventional and/or custom, may also be included.
  • any switches shown in the Figures are conceptual only. Their function may be carried out through the operation of program logic, through dedicated logic, through the interaction of program control and dedicated logic, or even manually, the particular technique being selectable by the implementer as more specifically understood from the context.

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  • Computer Networks & Wireless Communication (AREA)
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Claims (13)

  1. Antenne, zwei Antennenelemente (20) umfassend, wobei jedes der besagten, zwei Antennenelemente umfasst:
    zwei längliche Arme (2), montiert auf und im Abstand zu einer Grundplatte (4), dergestalt, dass sie waagerecht in einer Entfernung von einer Oberflächenebene besagter Grundplatte liegen, wobei besagte zwei länglichen Arme in einem Winkel zueinander stehen;
    wobei besagte längliche Arme aus einem leitenden Material sind und ausstrahlende Elemente besagten Antennenelements bilden;
    mindestens ein leitendes, verbindendes Element (3), welches eine leitende Oberfläche besagter Grundplatte mit mindestens einem der besagten Arme verbindet;
    und mindestens eine Versorgungssonde (5), um besagte zwei Arme mit einem Eingangssignal zu versorgen, wobei die besagte, mindestens eine Versorgungssonde in einem Abstand von dem besagten, mindestens einen leitenden, verbindenden Element angeordnet ist; wobei
    besagte zwei Antennenelemente so auf besagter Grundplatte montiert sind, dass sie einander zugewandt sind, dergestalt, dass eine gemeinsame Linie im Wesentlichen einen Winkel zwischen besagten zwei länglichen Armen eines jeden der besagten Antennenelemente halbiert, wobei die besagten zwei Antennenelemente dafür konfiguriert sind, um ein einfach linear polarisiertes Strahlmuster zur Verfügung zu stellen; und wobei
    besagte Versorgungssonden eines jeden der besagten Antennenelemente zwei Versorgungsleitungen umfassen, die zu einem Punkt auf jedem der besagten zwei länglichen Arme reichen, dergestalt, dass jeder der besagten länglichen Arme das Eingabesignal empfängt.
  2. Antenne nach Anspruch 1, wobei besagtes leitendes, verbindendes Element eines jeden der besagten Antennenelemente die besagten zwei länglichen Arme an einem Eckpunkt an der Stelle des Zusammentreffens der besagten zwei länglichen Arme mit besagter Grundplatte verbindet.
  3. Antenne nach einem jeglichen der vorgenannten Ansprüche, wobei die besagten zwei länglichen Arme eines jeden der besagten Antennenelemente im Wesentlichen identisch sind und die besagten Versorgungsleitungen so angeordnet sind, dass sie jeden der besagten länglichen Arme an einem im Wesentlichen identischen Punkt auf einem jeden der besagten Arme mit einem im Wesentlichen identischen Signal versorgen.
  4. Antenne nach einem jeglichen der vorgenannten Ansprüche, wobei besagte Ebene, auf der die besagten zwei länglichen Arme eines jeden der besagten Antennenelemente liegen, im Wesentlichen parallel zu besagter Oberflächenebene der besagten Grundplatte liegt.
  5. Antenne nach einem jeglichen der vorgenannten Ansprüche, wobei die besagten zwei länglichen Arme eines jeden der besagten Antennenelemente eine im Wesentlichen flache und rechteckige Form haben.
  6. Antenne nach einem jeglichen der vorgenannten Ansprüche, wobei die besagten zwei länglichen Arme eines jeden der beiden Antennenelemente in einem Winkel zwischen 70° und 110° zueinander angeordnet sind, vorzugsweise in einem Winkel von 90°.
  7. Antenne nach einem jeglichen der vorgenannten Ansprüche, weiterhin eine Versorgungsleitung für die Verteilung von Eingangssignalen umfassend, die dafür konfiguriert ist, um besagtes Eingangssignal als Differenzeingangssignal jeder Versorgungssonde der zwei Antennenelemente zuzuführen, dergestalt, dass jedes Antennenelement besagtes Eingangssignal mit einer Phasendifferenz von im Wesentlichen 180° empfängt, wenn es bezüglich besagten anderen Antennenelements mit oder nahe einer zentralen Frequenz einer Bandbreite besagter Antenne betrieben wird.
  8. Antenne nach Anspruch 7, wobei besagte Grundplatte ein auf einer Substratfolie montierter, leitender Bereich ist, wobei besagte Versorgungsleitung für die Verteilung von Eingangssignalen auf einer äußeren Oberfläche besagter Substratfolie einer Oberfläche gegenüberliegt, auf welcher besagte Grundplatte montiert ist.
  9. Antenne nach einem jeglichen der vorgenannten Ansprüche, wobei besagte Antenne zwei weitere Antennenelemente umfasst, wobei besagte zwei weiteren Antennenelemente einander zugewandt montiert sind, dergestalt, dass eine gemeinsame Linie im Wesentlichen einen Winkel zwischen besagten zwei länglichen Armen eines jeden der besagten Antennenelemente halbiert, wobei sich die besagten Linien, die den besagten Winkel zwischen besagten Armen besagter zwei Antennenelemente und den besagten Winkel zwischen besagten Armen der besagten zwei weiteren Antennenelemente halbieren, in einem Winkel zwischen 70° und 110° kreuzen, vorzugsweise in einem Winkel von im Wesentlichen 90°.
  10. Antenne nach Anspruch 9, wobei besagte Grundplatte einen im Wesentlichen viereckigen Umriss hat und besagte vier Antennenelemente in oder an den Ecken der besagten Grundplatte montiert sind, wobei die besagten länglichen Arme eines jeden der besagten Antennenelemente so angeordnet sind, dass besagte Arme über besagte Grundplatte ragen.
  11. Antenne nach einem jeglichen der vorgenannten Ansprüche, wobei besagte Antennenelemente in oder an einer Ecke des Umrisses besagter Grundplatte montiert sind.
  12. Antenne nach einem jeglichen der vorgenannten Ansprüche, wobei besagte Antenne weiterhin ein Strahlungsabschirmungselement (8) umfasst, das auf besagter Grundplatte montiert ist und eine innen hohle, seitliche Abgrenzung der besagten Antennenelemente bildet, welche außerhalb besagter Abgrenzung montiert sind.
  13. Antenne nach Anspruch 12, wobei besagte Antenne weiterhin ein Antennenelement (9) umfasst, das konfiguriert ist für den Betrieb in anderen Frequenzbandbreiten als denen der besagten Antennenelemente, die an besagter Ecke des Umrisses besagter Grundplatte montiert sind, wobei besagtes Antennenelement räumlich entfernt von besagten Umrissantennenelementen montiert ist und sich innerhalb besagter Abgrenzung befindet, die von besagtem Strahlungsabschirmungselement gebildet wird.
EP14305603.4A 2014-04-24 2014-04-24 Breitbandantennenelement mit niedrigem Profil und Antenne Not-in-force EP2937933B1 (de)

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TWI613865B (zh) * 2016-05-18 2018-02-01 華碩電腦股份有限公司 電子裝置
CN106207490B (zh) * 2016-08-18 2021-06-25 京信通信技术(广州)有限公司 多系统共体天线
JP2018157242A (ja) * 2017-03-15 2018-10-04 株式会社デンソーウェーブ アンテナ装置
EP3794675B1 (de) * 2018-06-29 2024-01-24 Nokia Shanghai Bell Co., Ltd. Mehrband-antennenstruktur
CN111509403B (zh) * 2019-01-31 2022-02-18 Oppo广东移动通信有限公司 阵列天线和电子设备
CN114899620B (zh) * 2022-07-14 2022-12-09 华南理工大学 一种紧凑型低交叉极化的毫米波宽角扫描天线阵列

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