EP2725656B1 - Dispositif de communication mobile sans fil incluant une antenne multi-bande et procédés associés - Google Patents

Dispositif de communication mobile sans fil incluant une antenne multi-bande et procédés associés Download PDF

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Publication number
EP2725656B1
EP2725656B1 EP12190062.5A EP12190062A EP2725656B1 EP 2725656 B1 EP2725656 B1 EP 2725656B1 EP 12190062 A EP12190062 A EP 12190062A EP 2725656 B1 EP2725656 B1 EP 2725656B1
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EP
European Patent Office
Prior art keywords
arm
coupled
band antenna
primary
radiator
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.)
Active
Application number
EP12190062.5A
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German (de)
English (en)
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EP2725656A1 (fr
Inventor
Joshua Kwan Ho Wong
Adrian Matthew Cooke
Zhong Yi Loy
Mun Soo Bae
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BlackBerry Ltd
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BlackBerry Ltd
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Priority to EP12190062.5A priority Critical patent/EP2725656B1/fr
Priority to CA2829433A priority patent/CA2829433C/fr
Publication of EP2725656A1 publication Critical patent/EP2725656A1/fr
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Publication of EP2725656B1 publication Critical patent/EP2725656B1/fr
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    • 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
    • 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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • 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
    • H01Q5/378—Combination of fed elements with parasitic elements
    • 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
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements

Definitions

  • the present invention relates to the field of communications, and, more particularly, to wireless communications and related methods.
  • the typical cellular device may include several antennas, for example, a cellular antenna, a global positioning system antenna, and a WiFi IEEE 802.11g antenna. These antennas may comprise external antennas and internal antennas.
  • internal antennas allow cellular devices to have a smaller footprint. Moreover, they are also preferred over external antennas for mechanical and ergonomic reasons. Internal antennas are also protected by the cellular device's housing and therefore tend to be more durable than external antennas. External antennas may be cumbersome and may make the cellular device difficult to use, particularly in limited-space environments. Yet, one potential drawback of typical internal antennas is that they are in relatively close proximity to the user's head when the cellular device is in use, thereby increasing the specific absorption rate (SAR). Yet more, hearing aid compatibility (HAC) may also be affected negatively. Also, other components within the cellular device may cause interference with or may be interfered by the internal antenna.
  • SAR specific absorption rate
  • HAC hearing aid compatibility
  • US2008/165063 discloses a Handheld electronic devices are provided that contain wireless communications circuitry having at least first and second antennas.
  • An antenna isolation element reduces signal interference between the antennas, so that the antennas may be used in close proximity to each other.
  • a planar ground element may be used as a ground by the first and second antennas.
  • the first antenna may be formed using a hybrid planar-inverted-F and slot arrangement in which a planar resonating element is located above a rectangular slot in the planar ground element.
  • the second antenna may be formed from an L-shaped strip.
  • the planar resonating element of the first antenna may have first and second arms. The first arm may resonate at a common frequency with the second antenna and may serve as the isolation element.; The second arm may resonate at approximately the same frequency as the slot portion of the hybrid antenna.
  • US2004/137950 discloses a build-in, multi band, multi antenna system (1) for a protable communicaiton device (10) has a first antenna (2, 4, 5), which is resonant in first an second frequency band.
  • a secon antenna (3) is resonant in a fourth frequency bank.
  • the first antenna, the papasitic element and the second antenna are provided on a common flexible substrate.
  • US7834809 discloses a multi-antenna integration module, which comprises a first antenna, a second antenna and a common unit.
  • the first antenna further comprises a first feeder cable, a first feeder member, a coupling unit, which has a first and second coupling members, and an extension conductor.
  • the second antenna further comprises a second feeder cable, a radiation conductor and a coupling conductor.
  • the common unit further comprises a common conductor which has a first and second conductor, a common short-circuit member and a common ground member.;
  • the design of the common unit integrates the radiation conductors, short-circuit members and ground members of different antenna systems into a single structure, whereby the isolation effect is promoted, and the signal interference among different antennae is decreased, and the space occupied by the antenna layout is reduced.
  • US2009/231200 discloses a multi-antenna module comprises a ground plane, a primary conductor, a secondary conductor and a plurality of coupling conductors, wherein the framework of the parallel primary radiation arm and secondary radiation arm can infinitely expand the number of antenna units in the same antenna structure.
  • the capacitive coupling effect of parallel radiation arms and the inductance of the radiation arms themselves can effectively reduce the signal interference between antennae, whereby a plurality of antennae can be integrated to achieve antenna miniaturization.
  • the primary conductor, the secondary conductor and the coupling conductors are all connected to the same ground plane, whereby the layout space is reduced, and the multi-antenna module is easy-to-assemble for various electronic devices.
  • a mobile wireless communications device may include a housing, at least one wireless transceiver carried by the housing and having a primary output, and a secondary output, and a multiple-band antenna carried by the housing and coupled to the at least one wireless transceiver.
  • the multiple-band antenna may include a dielectric substrate and a pattern of electrically conductive traces thereon defining a primary radiator and a secondary radiator spaced apart from the primary radiator.
  • the primary radiator may include a first elongate member having a primary feed coupled to the primary output, and a first reference member spaced from the first elongate member and at least partially laterally surrounding the first elongate member and coupled to a reference voltage.
  • the secondary radiator may include a second elongate member having a secondary feed coupled to the secondary output.
  • the first reference member may comprise a first arm, and a second arm coupled thereto.
  • the first arm may have an L-shape
  • the second arm may comprise a proximal portion coupled to the first arm and having an L-shape, and a distal portion extending away from the proximal portion.
  • the first arm may extend along a bottom of the housing.
  • the second elongate member may have a first arm, and a second arm coupled thereto.
  • the secondary feed may be on the second arm, and the first arm may extend at least partially along a bottom edge of the housing.
  • the dielectric substrate may have a non-planar shape.
  • the dielectric substrate may be carried by a bottom of the housing, and the primary and secondary radiators may be carried by respective opposing first and second sides of the dielectric substrate.
  • the at least one wireless transceiver may comprise a Long Term Evolution (LTE) transceiver configured to operate the primary and secondary outputs in an LTE carrier aggregation mode.
  • LTE Long Term Evolution
  • the method may comprise forming a multiple-band antenna to comprise a dielectric substrate and a pattern of electrically conductive traces thereon defining a primary radiator and a secondary radiator spaced apart from the primary radiator.
  • the primary radiator may comprise a first elongate member having a primary feed coupled to the primary output, and a first reference member spaced from the first elongate member and at least partially laterally surrounding the first elongate member and coupled to a reference voltage.
  • the secondary radiator may comprise a second elongate member having a secondary feed coupled to the secondary output.
  • the mobile wireless communications device 20 illustratively includes a housing 22, a wireless transceiver 21 carried by the housing and having a primary and secondary outputs 55, 56, and a multiple-band antenna 23 carried by the housing and coupled to the wireless transceiver.
  • the wireless transceiver 21 may comprise an LTE transceiver configured to operate the primary and secondary outputs 55, 56 in an LTE carrier aggregation mode.
  • the multi-band antenna 23 may operate the primary output 55 at: LTE Band 7, 3, 8, 20, Primary; Wideband Code Division Multiple Access (WCDMA) Band 1, 2, 5, 8, Primary; Global System for Mobile Communications (GSM) 850, 900, 1800, 1900; and operate the secondary output 56 at LTE Band 7, 3, 8, 20, Multiple Input Multiple Output (MIMO); WCDMA Band 1, 2, 5, 8 Diversity.
  • LTE Band 7, 3, 8, 20, Primary Wideband Code Division Multiple Access (WCDMA) Band 1, 2, 5, 8, Primary
  • GSM Global System for Mobile Communications
  • MIMO Multiple Input Multiple Output
  • the multiple-band antenna 23 illustratively includes a dielectric substrate 24 and a pattern of electrically conductive traces thereon defining a primary radiator 26 and a secondary radiator 25 spaced apart from the primary radiator.
  • the dielectric substrate 24 illustratively includes a non-planar shape, which illustratively fits the interior portions of the housing 22.
  • the dielectric substrate 24 may be carried by a bottom of the housing 22, and the primary and secondary radiators 26, 25 may be carried by respective opposing first and second sides of the dielectric substrate.
  • the primary radiator 26 illustratively includes a first elongate member 32 having a primary feed 27 coupled to the primary output 55.
  • the primary radiator 26 illustratively includes a first reference member 33 (e.g. ground reference member) spaced from the first elongate member 32 and at least partially laterally surrounding the first elongate member and coupled to a reference voltage (e.g. ground).
  • the secondary radiator 25 illustratively includes a second elongate member having a secondary feed 31 coupled to the secondary output 56. More specifically, the first reference member 33 illustratively includes a first arm 35, and a second arm 51 coupled thereto.
  • the first elongate member 32 has a substantially rectangular-shape, and extends in parallel with the first arm 35 of the first reference member 33 (bending upward slightly).
  • the first elongate member 32 illustratively includes a top portion defining a recess 57, and a protruding portion 58 partially extending across the recess and including the primary feed 27.
  • the first arm 35 of the first reference member 33 is substantially rectangle-shaped, and illustratively includes a proximal portion 59, and a distal portion 60 coupled thereto and having an enlarged width.
  • the distal portion 60 also defines a notch 61 having parallel sides, and a curved end. Additionally, the first arm 35 extends along a bottom of the housing 22.
  • the second arm 51 comprises a proximal portion 41 coupled to the first arm 35 and having an L-shape, and a distal portion 42 extending away from the proximal portion and having a rectangular-shape.
  • the distal portion 42 illustratively includes a reference connection 28 (e.g. ground connection), and defines a recess 62 having a curved end.
  • the proximal and distal portions 41, 42 have straight sides.
  • the first reference member 33 illustratively includes a third arm 47 extending almost entirely across the bottom edge of the dielectric substrate 24.
  • the third arm 47 illustratively includes a proximal portion 62, and a distal portion 63 coupled thereto.
  • the proximal portion 62 is rectangle-shaped, and the distal portion 63 is also rectangle-shaped.
  • the distal portion 63 illustratively includes a greater width than that of the proximal portion 62 and has a rectangle-shaped notch 64 adjacent a corner thereof.
  • the distal portion 63 also illustratively defines a square-shaped opening 65.
  • the second elongate member illustratively includes a first arm 46, and a second arm 34 coupled thereto.
  • the secondary feed 31 illustratively is on the second arm 34, and the first arm 46 may extend at least partially along a bottom edge of the housing 22.
  • the first arm 46 illustratively includes rectangle-shaped proximal and distal portions 66, 67, the distal portion defining a rectangle-shaped recess 68 on a side thereof.
  • the second arm 34 illustratively includes a proximal portion 110, a medial portion 111 coupled to the proximal portion, and a distal portion 112 coupled to the medial portion.
  • the proximal portion 110 is rectangle-shaped
  • the medial portion 111 is U-shaped.
  • the distal portion 112 comprises an L-shaped portion coupled to the medial portion 111, and a rectangle-shaped portion coupled to the L-shaped portion.
  • the method may comprise forming a multiple-band antenna 23 to comprise a dielectric substrate 24 and a pattern of electrically conductive traces thereon defining a primary radiator 26 and a secondary radiator 25 spaced apart from the primary radiator.
  • the primary radiator 26 may comprise a first elongate member having a primary feed 27 coupled to the primary output, and a first reference member 33 spaced from the first elongate member and at least partially laterally surrounding the first elongate member and coupled to a reference voltage.
  • the secondary radiator 25 may comprise a second elongate member having a secondary feed 31 coupled to the secondary output.
  • FIGS. 4-5 another embodiment of the multiple-band antenna 23' is now described.
  • this embodiment differs from the previous embodiment in that the first arm 35' illustratively has an L-shape, and uniform width throughout.
  • the first arm 35' also does not include the recess from the embodiments of FIGS. 2-3 .
  • the third arm 47' also does not include the notch of the prior embodiment, but does include an L-shaped turn 120' in a medial portion thereof.
  • the second arm 34' of the secondary radiator 25' illustratively includes a single L-shaped turn 121', rather the multiple turns of the prior embodiments.
  • the multi-band antenna 23' may operate the primary output 55' at: LTE Band 4, 13 Primary; CDMA 1x Voice, EVDO Diversity; WCDMA Band 1, 2, 5, 8 Primary; GSM 850, 900, 1800, 1900; and operate the secondary output 56' at: LTE Band 13 MIMO; CDMA 1x Voice Primary; and CDMA 1x EVDO Diversity.
  • the third arm 47" includes the rectangle-shaped recess 64" in a medial portion rather than the corner of the embodiment of FIGS. 2-3 .
  • the secondary radiator 25" has a general C-shape including the first and second arms 46", 34".
  • the first arm 46" illustratively includes a pair of rectangle-shaped branches 115', 116'.
  • the second arm 34" illustratively has an L-shape and is rectangle-shaped throughout.
  • This multiple-band antenna 23 relies on exciting different characteristics modes in the chassis of the mobile wireless communications device 20.
  • Characteristics modes describe the current distribution and far field radiation that are unique to a given conducting body at a specific frequency.
  • a metallic object could possess infinite number of characteristic mode for a given frequency, however not all modes are excitable in practice.
  • a characteristic mode refers to a given set of eigenvalue and eigenvector.
  • diagram 77 shows the current distribution
  • diagrams 79, 81, 83 show the far field patterns for the mobile wireless communications device 20 while in mode 1 at 704 MHz.
  • Diagram 85 shows the current distribution
  • diagrams 87, 89, 91 show the far field patterns for the mobile wireless communications device 20 while in mode 2 at 704 MHz.
  • Diagrams 93, 70 show the current distribution
  • diagrams 95, 97, 99 show the far field patterns for the mobile wireless communications device 20 while in mode 3 at 704 MHz.
  • the multiple-band antenna 23 may exploit the natural resonances, known as characteristics modes, of an arbitrary metallic object to achieve low correlation between multiple antennas in a MIMO system.
  • Typical MIMO systems may rely on an antenna array where the antenna elements are usually separated from each other by half of a wavelength.
  • LTE bands such as Band 17 (704 MHz - 746 MHz) or Band 13 (746 MHz - 777 MHz
  • the half wavelength spatial separation may not be achievable in handheld devices, such as a smartphone where the overall dimension of the device is on the order of a quarter wavelength of the operating wavelength.
  • Low frequency is particularly interesting because radiation at low frequencies is predominantly due to the mobile device's chassis and the antenna element serves as an excitation element.
  • the current distributions excited by each antenna element in a MIMO system share one radiator, i.e. the chassis of the device.
  • This is in conflict to the multi-antenna requirement of MIMO because multiple antennas usually mean that there are multiple radiating elements, which may not be true in a handset.
  • the multiple-band antenna 23 may relax this requirement and enable: high performance MIMO with a single radiating element; and systematic antenna element placement with minimal correlation and gain imbalance.
  • a processing device 1800 is contained within the housing 1200 and is coupled between the keypad 1400 and the display 1600.
  • the processing device 1800 controls the operation of the display 1600, as well as the overall operation of the mobile device 1000, in response to actuation of keys on the keypad 1400.
  • the housing 1200 may be elongated vertically, or may take on other sizes and shapes (including clamshell housing structures).
  • the keypad may include a mode selection key, or other hardware or software for switching between text entry and telephony entry.
  • FIG. 12 In addition to the processing device 1800, other parts of the mobile device 1000 are shown schematically in FIG. 12 . These include a communications subsystem 1001; a short-range communications subsystem 1020; the keypad 1400 and the display 1600, along with other input/output devices 1060, 1080, 1100 and 1120; as well as memory devices 1160, 1180 and various other device subsystems 1201.
  • the mobile device 1000 may comprise a two-way RF communications device having data and, optionally, voice communications capabilities.
  • the mobile device 1000 may have the capability to communicate with other computer systems via the Internet.
  • Operating system software executed by the processing device 1800 is stored in a persistent store, such as the flash memory 1160, but may be stored in other types of memory devices, such as a read only memory (ROM) or similar storage element.
  • system software, specific device applications, or parts thereof may be temporarily loaded into a volatile store, such as the random access memory (RAM) 1180.
  • Communications signals received by the mobile device may also be stored in the RAM 1180.
  • the processing device 1800 in addition to its operating system functions, enables execution of software applications 1300A-1300N on the device 1000.
  • a predetermined set of applications that control basic device operations, such as data and voice communications 1300A and 1300B, may be installed on the device 1000 during manufacture.
  • a personal information manager (PIM) application may be installed during manufacture.
  • the PIM may be capable of organizing and managing data items, such as e-mail, calendar events, voice mails, appointments, and task items.
  • the PIM application may also be capable of sending and receiving data items via a wireless network 1401.
  • the PIM data items may be seamlessly integrated, synchronized and updated via the wireless network 1401 with corresponding data items stored or associated with a host computer system.
  • the communications subsystem 1001 includes a receiver 1500, a transmitter 1520, and one or more antennas 1540 and 1560.
  • the communications subsystem 1001 also includes a processing module, such as a digital signal processor (DSP) 1580, and local oscillators (LOs) 1601.
  • DSP digital signal processor
  • LOs local oscillators
  • a mobile device 1000 may include a communications subsystem 1001 designed to operate with the MobitexTM, Data TACTM or General Packet Radio Service (GPRS) mobile data communications networks, and also designed to operate with any of a variety of voice communications networks, such as Advanced Mobile Phone System (AMPS), time division multiple access (TDMA), code division multiple access (CDMA), Wideband code division multiple access (W-CDMA), personal communications service (PCS), GSM (Global System for Mobile Communications), enhanced data rates for GSM evolution (EDGE), etc. Other types of data and voice networks, both separate and integrated, may also be utilized with the mobile device 1000.
  • the mobile device 1000 may also be compliant with other communications standards such as 3GSM, 3rd Generation Partnership Project (3GPP), Universal Mobile Telecommunications System (UMTS), 4G, etc.
  • Network access requirements vary depending upon the type of communication system. For example, in the Mobitex and DataTAC networks, mobile devices are registered on the network using a unique personal identification number or PIN associated with each device. In GPRS networks, however, network access is associated with a subscriber or user of a device. A GPRS device therefore typically involves use of a subscriber identity module, commonly referred to as a SIM card, in order to operate on a GPRS network.
  • SIM card subscriber identity module
  • the mobile device 1000 may send and receive communications signals over the communication network 1401.
  • Signals received from the communications network 1401 by the antenna 1540 are routed to the receiver 1500, which provides for signal amplification, frequency down conversion, filtering, channel selection, etc., and may also provide analog to digital conversion. Analog-to-digital conversion of the received signal allows the DSP 1580 to perform more complex communications functions, such as demodulation and decoding.
  • signals to be transmitted to the network 1401 are processed (e.g. modulated and encoded) by the DSP 1580 and are then provided to the transmitter 1520 for digital to analog conversion, frequency up conversion, filtering, amplification and transmission to the communication network 1401 (or networks) via the antenna 1560.
  • the DSP 1580 provides for control of the receiver 1500 and the transmitter 1520. For example, gains applied to communications signals in the receiver 1500 and transmitter 1520 may be adaptively controlled through automatic gain control algorithms implemented in the DSP 1580.
  • a received signal such as a text message or web page download
  • the communications subsystem 1001 is input to the processing device 1800.
  • the received signal is then further processed by the processing device 1800 for an output to the display 1600, or alternatively to some other auxiliary I/O device 1060.
  • a device may also be used to compose data items, such as e-mail messages, using the keypad 1400 and/or some other auxiliary I/O device 1060, such as a touchpad, a rocker switch, a thumb-wheel, or some other type of input device.
  • the composed data items may then be transmitted over the communications network 1401 via the communications subsystem 1001.
  • the short-range communications subsystem enables communication between the mobile device 1000 and other proximate systems or devices, which need not necessarily be similar devices.
  • the short-range communications subsystem may include an infrared device and associated circuits and components, a BluetoothTM communications module to provide for communication with similarly-enabled systems and devices, or a NFC sensor for communicating with a NFC device or NFC tag via NFC communications.

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Claims (11)

  1. Antenne à bandes multiples (23) pour un dispositif mobile de communications sans fil (20) comprenant un boîtier (22) et au moins un émetteur-récepteur sans fil (21) porté par le boîtier, ladite antenne à bandes multiples comprenant :
    un substrat diélectrique et un motif de traces électriquement conductrices sur celui-ci définissant un élément rayonnant primaire (26) et un élément rayonnant secondaire (25) espacé dudit élément rayonnant primaire ;
    ledit élément rayonnant primaire comprenant
    un premier élément allongé (32) comprenant une partie en saillie (58) ayant une alimentation primaire (27) couplée à une sortie primaire (55) et définissant un évidement (57), la partie en saillie s'étendant partiellement à travers l'évidement, et
    un premier élément de référence (33) espacé dudit premier élément allongé et au moins entourant de manière partiellement latérale ledit premier élément allongé et couplé à une tension de référence ;
    ledit élément rayonnant secondaire comprenant un deuxième élément allongé ayant une alimentation secondaire (31) couplée à une sortie secondaire (56) ;
    où ledit premier élément de référence comprend un premier bras (35) et un deuxième bras (51) couplé à celui-ci ;
    le premier bras (35) du premier élément de référence (33) est de forme rectangulaire et comporte une partie proximale (59) et une partie distale (60) couplée à celle-ci et caractérisé en ce qu'il a une largeur agrandie, où la partie distale (60) définit une encoche (61) ayant des côtés parallèles et une extrémité incurvée.
  2. Antenne à bandes multiples de la revendication 1, lorsqu'elle est couplée par un boîtier (22) et couplée à un émetteur-récepteur sans fil (21), l'émetteur-récepteur sans fil et le boîtier font partie d'un dispositif mobile de communications sans fil.
  3. Antenne à bandes multiples de la revendication 1, dans laquelle ledit premier bras a une forme de L ; et dans laquelle ledit deuxième bras comprend une partie proximale (41) couplée audit premier bras et ayant une forme de L, et une partie distale (42) s'étendant loin de ladite partie proximale.
  4. Antenne à bandes multiples de la revendication 1, dans laquelle ledit premier bras s'étend le long d'une partie inférieure dudit boîtier.
  5. Antenne à bandes multiples de la revendication 1, dans laquelle ledit deuxième élément allongé a un premier bras (46) et un deuxième bras (34) couplé à celui-ci.
  6. Antenne à bandes multiples de la revendication 5, dans laquelle ladite alimentation secondaire se trouve sur ledit deuxième bras ; et dans laquelle ledit premier bras s'étend au moins partiellement le long d'un bord inférieur dudit boîtier.
  7. Antenne à bandes multiples de la revendication 1, dans laquelle ledit substrat diélectrique a une forme non plane.
  8. Antenne à bandes multiples de la revendication 1, dans laquelle ledit substrat diélectrique est porté par une partie inférieure dudit boîtier ; et dans laquelle lesdits éléments rayonnants primaire et secondaire sont portés par les premier et deuxième côtés opposés respectifs dudit substrat diélectrique.
  9. Antenne à bandes multiples de la revendication 1, dans laquelle ledit au moins émetteur-récepteur sans fil comprend un émetteur-récepteur d'Evolution à Long Terme (LTE) configuré pour faire fonctionner lesdites sorties primaire et secondaire dans un mode d'agrégation de porteuses LTE.
  10. Procédé de fabrication d'une antenne à bandes multiples (23) pour un dispositif mobile de communications sans fil (20) comprenant le fait :
    de former une antenne à bandes multiples pour comprendre un substrat diélectrique et un motif de traces électriquement conductrices sur celui-ci définissant un élément rayonnant primaire (26) et un élément rayonnant secondaire (25) espacé de l'élément rayonnant primaire ;
    l'élément rayonnant primaire comprenant :
    un premier élément allongé (32) comprenant une partie en saillie (58) ayant une alimentation primaire (27) couplée à une sortie primaire (55) et définissant un évidement (57), la partie en saillie s'étendant partiellement à travers l'évidement, et
    un premier élément de référence (33) espacé du premier élément allongé et au moins entourant de manière partiellement latérale le premier élément allongé et couplé à une tension de référence ;
    l'élément rayonnant secondaire comprenant un deuxième élément allongé ayant une alimentation secondaire (31) couplée à une sortie secondaire (56) ;
    où ledit premier élément de référence comprend un premier bras (35) et un deuxième bras (51) couplé à celui-ci ;
    le premier bras (35) du premier élément de référence (33) est de forme rectangulaire et comporte une partie proximale (59) et une partie distale (60) couplée à celle-ci et ayant une largeur agrandie, où la partie distale (60) définit une encoche (61) ayant des côtés parallèles et une extrémité incurvée.
  11. Procédé de la revendication 10, dans lequel le premier bras a une forme de L ; et dans lequel le deuxième bras comprend une partie proximale (41) couplée au premier bras et ayant une forme de L et une partie distale (42) s'étendant loin de la partie proximale.
EP12190062.5A 2012-10-25 2012-10-25 Dispositif de communication mobile sans fil incluant une antenne multi-bande et procédés associés Active EP2725656B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12190062.5A EP2725656B1 (fr) 2012-10-25 2012-10-25 Dispositif de communication mobile sans fil incluant une antenne multi-bande et procédés associés
CA2829433A CA2829433C (fr) 2012-10-25 2013-10-04 Appareil de communication sans fil mobile avec antenne a bandes multiples et procedes connexes

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EP12190062.5A EP2725656B1 (fr) 2012-10-25 2012-10-25 Dispositif de communication mobile sans fil incluant une antenne multi-bande et procédés associés

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EP2725656B1 true EP2725656B1 (fr) 2015-07-08

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CN111769357B (zh) * 2020-07-09 2022-11-22 维沃移动通信有限公司 电子设备

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EP1378021A1 (fr) * 2001-03-23 2004-01-07 Telefonaktiebolaget LM Ericsson (publ) Systeme multi-bande, multi-antenne integre
US7595759B2 (en) * 2007-01-04 2009-09-29 Apple Inc. Handheld electronic devices with isolated antennas
TW200913380A (en) * 2007-09-07 2009-03-16 Advanced Connectek Inc Integrated multiple antenna module
TWI420741B (zh) * 2008-03-14 2013-12-21 Advanced Connectek Inc Multi-antenna module

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CA2829433C (fr) 2016-07-05
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