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WO2018133160A1 - Structure d'antenne, terminal mobile - Google Patents

Structure d'antenne, terminal mobile Download PDF

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Publication number
WO2018133160A1
WO2018133160A1 PCT/CN2017/074828 CN2017074828W WO2018133160A1 WO 2018133160 A1 WO2018133160 A1 WO 2018133160A1 CN 2017074828 W CN2017074828 W CN 2017074828W WO 2018133160 A1 WO2018133160 A1 WO 2018133160A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna structure
antenna
backplane
transceiver
area
Prior art date
Application number
PCT/CN2017/074828
Other languages
English (en)
Chinese (zh)
Inventor
黄波
徐治效
王磊
薛亮
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201780010000.1A priority Critical patent/CN108604727B/zh
Publication of WO2018133160A1 publication Critical patent/WO2018133160A1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect

Definitions

  • the present application relates to the field of communications technologies, and in particular, to an antenna structure and a mobile terminal.
  • MIMO Multiple-Input Multiple-Output
  • the MIMO system is a core technology used in 802.11n. It uses multiple antennas to suppress channel fading. MIMO technology can be roughly divided into two categories: transmit/receive diversity and spatial multiplexing.
  • the advantage of MIMO is the ability to increase the wireless range and improve performance.
  • 4 ⁇ 4 MIMO refers to a MIMO system employing four inputs and four output antennas. Compared with the traditional MIMO system including 1 ⁇ 2, 2 ⁇ 3 and 3 ⁇ 3 MIMO, 4 ⁇ 4 MIMO can support up to 4 data streams at the same time, so that its throughput is 4 times that of a single-input single-output system of the same bandwidth. There is no doubt that devices equipped with 4 ⁇ 4 MIMO technology will have faster network speeds. This technology is currently used on some high-end laptops, but the phone is not used.
  • the embodiment of the present application provides an antenna structure and a mobile terminal, which implements a 4 ⁇ 4 MIMO antenna structure design in a mobile terminal.
  • a first multiple input multiple output antenna structure is disposed in a support frame of the mobile terminal, and a projection of the first multiple input multiple output antenna structure on the backplane when the support frame is assembled with the backplane
  • the first transceiver antenna structure signal does not interfere with each other, and does not additionally increase the thickness of the mobile terminal.
  • the second multiple input multiple output antenna structure may be disposed on the backplane or the support frame, and the location is ensured not to interfere with other antenna structures.
  • an embodiment of the present application provides an antenna structure, where an antenna structure is applied to a mobile terminal.
  • the antenna structure includes: a first transceiver antenna structure, a second transceiver antenna structure, a first multiple input multiple output antenna structure, and a second multiple input. a multi-output antenna structure; wherein the first transceiver antenna structure is disposed in a first area of the backplane of the mobile terminal, and second The transceiver antenna structure is disposed on the second area of the backplane of the mobile terminal, and the backplane of the mobile terminal is metal outside the first area and the second area, and the first area and the second area are located in the first direction of the backplane.
  • the first multi-input multi-output antenna structure is disposed in the support frame of the mobile terminal.
  • the projection of the first multi-input multi-output antenna structure on the backplane and the first transceiver antenna structure are not Overlap;
  • the second multiple input multiple output antenna structure is disposed in the second area of the backplane and does not overlap with other antenna structures, or is disposed in the support frame and the second multiple input multiple output antenna structure is assembled when the support frame and the backplane are assembled
  • the projection on the backplane does not overlap with other antenna structures.
  • the first transceiver antenna structure extends in a first axis of the backplane in a short axis direction of the backplane of the mobile terminal (ie, a second direction perpendicular to the first direction).
  • the first transceiver antenna structure includes: a first transceiver antenna clearance area and a first transceiver antenna radiator, and the first transceiver antenna clearance area extends on the backplane in a short axis direction of the mobile terminal backplane.
  • the first transceiver antenna radiator is located on the lower side of the first transceiver antenna clearance area, that is, on the side of the backplane away from the center of the backplane and near the bottom end of the backplane.
  • the first transceiver antenna clearance area is disposed in the first area of the backplane in the short-axis direction of the mobile terminal backplane, and the first transceiver antenna clearance area is open to the center of the backplane.
  • the surrounding shape is such that the first transceiver antenna structure has a semi-circular shape with the opening facing the center of the backplane.
  • the projection of the first multiple input multiple output antenna structure on the backplane is wholly or partially located in the area surrounded by the first transceiver antenna structure. Since the first multiple input multiple output antenna structure is in the support frame, the projection of the first multiple input multiple output antenna structure on the backplane does not overlap with the first transceiver antenna structure, and the first multiple input multiple output antenna structure The projections on the backplane are all or partially located in the area surrounded by the first transceiver antenna structure; therefore, the signals of the two do not interfere with each other without additionally increasing the thickness of the mobile terminal.
  • the first transceiver antenna clearance area is disposed in the first region of the backplane in the short-axis direction of the mobile terminal backplane, and the first transceiver antenna clearance area is straight-shaped or rectangular.
  • the first transceiver antenna radiator has a semi-circular shape with an opening facing the center of the backplane; or, the first transceiver antenna radiator includes a plurality of segments of radiation distributed halfway around the first transceiver antenna clearance region.
  • the second multiple input multiple output antenna structure and the second transceiver antenna structure are respectively located at two ends of the second region of the backplane in the short axis direction of the backplane of the mobile terminal, and the two do not interfere with each other;
  • the second multiple input multiple output antenna structure comprises: a second multiple input multiple output antenna clearance area and a second multiple input multiple output antenna radiator, and the second multiple input multiple output antenna radiator is disposed adjacent to the second multiple input multiple output antenna
  • the clearing area is away from the center side of the backboard, that is, the upper side of the backboard away from the center of the backboard and close to the top end of the backboard, and the left and right sides of the top of the backplane, and the second multi-input multi-output antenna radiator
  • the source end is connected to the metal of the backplane, and an opening is formed between the end of the second MIMO antenna and the metal of the backplane;
  • the second transceiver antenna structure includes: a second transceiver antenna clearing area and a second transcei
  • the second multiple input multiple output antenna structure and the second transceiver antenna structure are respectively located at two ends of the second region of the backplane in the short axis direction of the backplane of the mobile terminal, and the two do not interfere with each other;
  • the second multiple input multiple output antenna structure comprises: a third multiple input multiple output antenna clearance area and a third multiple input multiple output antenna radiator; wherein the third multiple input multiple output antenna clearance area is on the short axis of the mobile terminal backplane
  • the direction of the straight slit is disposed at the left end of the second region of the backboard (ie, the first end), and the third MIMO antenna is adjacent to the third MIMO antenna and is located at the third multi-input
  • the upper side of the output antenna clearance area that is, the side away from the center of the backplane and near the top end of the backplane, the source end of the third MIMO antenna is connected to the metal of the backplane;
  • the second transceiver antenna structure includes a third transceiver antenna clearance area and a
  • the antenna structure further includes: a general packet radio service GPRS antenna structure integrated with the second multiple input multiple output antenna structure and a first wireless fidelity WI-FI antenna structure, which simplifies the antenna architecture.
  • the second multiple input multiple output antenna structure is disposed in the support frame of the mobile terminal, and when the support frame is assembled with the backplane, the projection of the second multiple input multiple output antenna structure on the backplane is first
  • the transceiver antenna structure does not overlap and does not interfere with the first transceiver antenna.
  • the antenna structure further includes: a second WI-FI antenna structure integrated with the first MIMO antenna structure, which simplifies the antenna architecture.
  • the support frame is a front support frame or a middle support frame of the mobile terminal.
  • the antenna structure provided by the first aspect can satisfy the structural design of the 4 ⁇ 4 MIMO antenna in the mobile terminal, and the first multiple input multiple output antenna structure, the first transceiver antenna structure, the second multiple input multiple output antenna structure, and The structure of the first transceiver antenna does not interfere with each other, so that the isolation effect is better.
  • the first transceiver antenna clearing region of the first transceiver antenna structure is disposed in the first region of the backplane in the second direction, wherein the first transceiver antenna clearing region is a semi-surrounded opening facing the center of the backplane
  • the shape, or the first transceiver antenna clearance area is straight or rectangular. It can be seen that when the mobile terminal is held by the user's hand, when the first transceiver antenna structure is covered and blocked on one side of the mobile terminal, the other side can be transmitted and received through the unblocked side, so that the first transceiver antenna structure Achieve good left and right virtual switching.
  • the GPRS antenna structure, the first WI-FI antenna structure and the second multiple input multiple output antenna structure are integrated, and the second WI-FI antenna structure is integrated with the first multiple input multiple output antenna structure, which simplifies Antenna architecture.
  • an antenna structure applied to a mobile terminal may include: a first transceiver antenna structure, a second transceiver antenna structure, a first multiple input multiple output antenna structure, and a second multiple input multiple output antenna structure.
  • the first transceiver antenna structure and the second transceiver antenna structure are disposed on the two ends of the mobile device backplane in the long axis direction (ie, the first direction), and cooperate with the upper and lower virtual switching functions.
  • the first transceiver antenna clearing area of the first transceiver antenna structure is disposed in the first region of the backplane in the short-axis direction of the mobile terminal backplane, and the first transceiver antenna clearing region is a semi-surrounded opening facing the center of the backplane
  • the shape is such that the first transceiver antenna structure has a semi-circular shape with the opening facing the center of the backboard; when the mobile terminal is held by the user's hand, the first transceiver antenna structure is on one side of the mobile terminal When the occlusion is covered, the signal can be transmitted and received through the other side that is not blocked, so that the first transceiver antenna structure can achieve good left and right virtual switching.
  • the first MIMO antenna structure is disposed in the support frame of the mobile terminal.
  • the projection of the first MIMO antenna structure on the backplane is located in whole or in part on the first transceiver antenna structure.
  • the two do not interfere with each other and do not additionally increase the thickness of the mobile terminal.
  • the second multi-input multi-output antenna structure and the second transceiver antenna structure are respectively located at two ends of the second region in the short-axis direction (ie, the second direction) of the backplane of the mobile terminal, and the two do not interfere with each other.
  • the antenna structure further includes: a general packet radio service GPRS antenna structure integrated with the second multiple input multiple output antenna structure and a first wireless fidelity WI-FI antenna structure, which simplifies the antenna architecture.
  • the antenna structure further includes: a second WI-FI antenna structure integrated with the first MIMO antenna structure, which simplifies the antenna architecture.
  • the support frame is a front support frame or a middle support frame of the mobile terminal.
  • the embodiment of the present application provides a mobile terminal, where the mobile terminal includes a backplane and a support frame, and the backplane has an antenna structure.
  • the antenna structure includes: a first transceiver antenna structure, a second transceiver antenna structure, and a first A multiple input multiple output antenna structure and a second multiple input multiple output antenna structure.
  • the first transceiver antenna structure and the second transceiver antenna structure are respectively disposed on the first region and the second region at both ends in the long axis direction (ie, the first direction) of the backplane of the mobile terminal.
  • the first MIMO antenna structure is disposed in the support frame of the mobile terminal.
  • the projection of the first MIMO antenna structure on the backplane does not overlap with the first transceiver antenna structure.
  • the second multiple input multiple output antenna structure is disposed on the second area of the backplane and does not overlap with other antenna structures, or is disposed in the support frame, and the second multiple input multiple output antenna structure is on the backplane when the support frame and the backplane are assembled.
  • the projection on the top does not overlap with other antenna structures.
  • the first transceiver antenna structure extends over the first region of the backplane in a short-axis direction of the mobile terminal backplane (ie, a second direction that is perpendicular to the first direction).
  • the first transceiver antenna structure includes: a first transceiver antenna clearance area and a first transceiver antenna radiator, and the first transceiver antenna clearance area extends on the backplane in a short axis direction of the mobile terminal backplane.
  • the first transceiver antenna radiator is located on the lower side of the first transceiver antenna clearance area, that is, on the side of the backplane away from the center of the backplane and near the bottom end of the backplane.
  • the first transceiver antenna clearance area is disposed in the first area of the backplane in the short-axis direction of the mobile terminal backplane, and the first transceiver antenna clearance area is open to the center of the backplane.
  • the surrounding shape is such that the first transceiver antenna structure has a semi-circular shape with the opening facing the center of the backplane.
  • the projection of the first multiple input multiple output antenna structure on the backplane is wholly or partially located in the area surrounded by the first transceiver antenna structure.
  • the first transceiver antenna clearance area is disposed in the first region of the backplane in the short-axis direction of the mobile terminal backplane, and the first transceiver antenna clearance area is straight-shaped or rectangular.
  • the first transceiver antenna radiator has a semi-circular shape with an opening facing the center of the backplane; or, the first transceiver antenna radiator includes a plurality of segments of radiation distributed halfway around the first transceiver antenna clearance region.
  • the second multiple input multiple output antenna structure and the second transceiver antenna structure are respectively located at two ends of the second region of the backplane in the short axis direction of the backplane of the mobile terminal; wherein the second multiple input is The output antenna structure comprises: a second multiple input multiple output antenna clearance area and a second multiple input multiple output antenna radiator, and the second multiple input multiple output antenna radiator is disposed adjacent to the second multi-input multi-output antenna clearance area away from the backplane Center side, that is, on the backplane Moving away from the center of the backplane and near the upper side of the top end of the backboard and near the left and right sides of the top of the backplane, and the source end of the second multi-input multi-output antenna radiator is connected to the metal of the backplane, in the second multiple input An opening is formed between the end of the multi-output antenna radiator and the metal of the backplane; the second transceiver antenna structure includes: a second transceiver antenna clearance area and a second transce
  • the second multiple input multiple output antenna structure and the second transceiver antenna structure are respectively located at two ends of the second region of the backplane in the short axis direction of the backplane of the mobile terminal; wherein the second multiple input is
  • the output antenna structure comprises: a third multiple input multiple output antenna clearance area and a third multiple input multiple output antenna radiator; wherein the third multiple input multiple output antenna clearance area is straightly slit in the short axis direction of the mobile terminal backplane
  • the third multi-input multi-output antenna radiator is disposed adjacent to the third multi-input multi-output antenna clearance area and is located on the third multi-input multi-output antenna clearance area, disposed at a left end of the second area of the backplane (ie, the first end) Side, that is, on a side away from the center of the backplane and near the top end of the backplane, the source end of the third MIMO antenna is connected to the metal of the backplane; and the second transceiver antenna structure includes: a third
  • the antenna structure further includes: a general packet radio service GPRS antenna structure integrated with the second multiple input multiple output antenna structure and a first wireless fidelity WI-FI antenna structure.
  • the second multiple input multiple output antenna structure is disposed in the support frame of the mobile terminal, and when the support frame is assembled with the backplane, the projection of the second multiple input multiple output antenna structure on the backplane is first
  • the transceiver antenna structures do not overlap.
  • the antenna structure further includes: a second WI-FI antenna structure integrated with the first MIMO antenna structure.
  • the support frame is a front support frame or a middle support frame of the mobile terminal.
  • FIG. 1A is a schematic layout view of the positional arrangement of each antenna structure according to Embodiment 1 of the antenna structure of the present application;
  • FIG. 1B is a second schematic diagram of the position layout of each antenna structure according to Embodiment 1 of the antenna structure of the present application;
  • FIG. 2A is a schematic structural diagram 1 of a first embodiment of a structure of a first transceiver antenna according to the present application;
  • 2B is a second schematic structural diagram of a first embodiment of a structure of a transmitting and receiving antenna according to the present application;
  • 2C is a schematic structural diagram 3 of a structure of a first transceiver antenna according to the present application.
  • 2D is a schematic structural view 4 of the first embodiment of the structure of the first transceiver antenna of the present application.
  • 2E is a schematic structural diagram 5 of a structure of a first transceiver antenna according to the present application.
  • 3A is a schematic structural diagram 1 of an embodiment of a second transceiver antenna structure and a second multiple input multiple output antenna structure according to the present application;
  • 3B is a second schematic structural diagram of a second transceiver antenna structure and a second multiple input multiple output antenna structure according to the present application;
  • 3C is another schematic structural diagram of a second multi-input multi-output antenna structure embodiment of the present application.
  • Embodiment 2 of an antenna structure according to the present application is a schematic structural diagram of Embodiment 2 of an antenna structure according to the present application.
  • 4B is a schematic diagram showing the position layout of the first transceiver antenna structure of the present application.
  • 4C is a schematic diagram showing the position layout of the first multiple input multiple output antenna structure of the present application.
  • 4D is a schematic diagram showing the position layout of the second multiple input multiple output antenna structure of the present application.
  • 4E is a schematic diagram showing the position layout of the second transceiver antenna structure of the present application.
  • FIG. 5 is a schematic structural diagram of an embodiment of a mobile terminal according to the present application.
  • FIG. 6 is a schematic diagram showing the position layout of each antenna structure in the embodiment of the mobile terminal of the present application.
  • a 2 ⁇ 2 MIMO antenna structure is realized by providing a slit in the metal backplane.
  • how to implement a 4 ⁇ 4 MIMO antenna structure in a mobile terminal of a metal casing is a technical problem to be solved by the present application as the user demands higher and higher communication quality and communication rate.
  • the mobile terminal involved in the present application may include, but is not limited to, a mobile phone, a tablet computer, and a wearable device.
  • the straight seam or other form of slit designed by the present application may have a slit width of 0.5 mm to 4 mm.
  • the width of the window structure designed by the present application is generally greater than 4 mm; of course, the width of the slit may also be other values. This is not limited in the application examples.
  • the antenna structure and the mobile terminal provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
  • FIG. 1A is a first schematic diagram of a positional arrangement of antenna structures according to Embodiment 1 of the antenna structure of the present application.
  • FIG. 1B is a second schematic diagram of a position layout of each antenna structure according to Embodiment 1 of the antenna structure of the present application.
  • 1A and 1B show the positional relationship of each antenna structure, and do not limit the dimensional relationship of each antenna structure.
  • the antenna structure provided by the embodiment of the present application is applied to a mobile terminal.
  • the mobile terminal is a mobile terminal of a metal casing, wherein the metal casing includes a backplane (the regions except the clearance areas of the antennas are all metal regions). ).
  • the antenna structure provided in this embodiment includes: a first transceiver antenna structure 1, a second transceiver antenna structure 2, a first multiple input multiple output antenna structure 3, and a second multiple input multiple output antenna structure. 4.
  • the first transceiver antenna structure 1 defaults to a full-band antenna (ie, a main set) having transmission and reception, and the second transceiver antenna structure 2 defaults to a received full-band antenna (ie, diversity), but the first transceiver antenna structure 1 And the functions of the second transceiver antenna structure 2 can be switched to each other, that is, when the first transceiver antenna structure 1 has a received full-band antenna (ie, switched to diversity), then the second transceiver antenna structure 2 has full transmission and reception. Band antenna (ie switching to the main set).
  • the first multiple input multiple output antenna structure 3 and the second multiple input multiple output antenna structure 4 are both MIMO antenna structures.
  • the first transceiver antenna structure 1, the second transceiver antenna structure 2, the first multiple input multiple output antenna structure 3, and the second multiple input multiple output antenna structure 4 respectively include: corresponding antenna radiators and antenna clearance areas respectively And the antenna feed point, wherein the antenna radiator may be a slot structure or a window structure, and the antenna clearance area may also be a slot structure or a window structure, which is specifically determined according to product design requirements and antenna function requirements.
  • the positional relationship between the antenna radiator, the antenna clearance area, and the antenna feed point can be referred to the positional relationship among the three existing antenna structures.
  • the positional relationship described in the following embodiments of the present application can also be adopted.
  • the first area 51 and the second area 52 are located in the first direction Y1 of the backboard 5 (or the long axis of the backplane of the mobile terminal) At both ends of the upper end, the back plate 5 of the mobile terminal is metal in a region other than the first region 51 and the second region 52.
  • the first transceiver antenna structure 1 is disposed in the first area 51 of the backplane 5 of the mobile terminal
  • the second transceiver antenna structure 2 is disposed in the second area 52 of the backplane 5 of the mobile terminal to cooperate with the upper and lower virtual switching functions.
  • the first transceiver antenna structure 1 extends in the second direction Y2 to the first region 51 of the backplane 5, wherein the second direction Y2 (or the short-axis direction of the mobile terminal backplane) is perpendicular to the first direction. Y1.
  • the first transceiver antenna structure 1 includes: a first transceiver antenna clearance area disposed adjacent to the first transceiver antenna radiator, wherein the first transceiver antenna radiator is a metal region (located in the first region 51), first The transmitting and receiving antenna clearance area is a non-metallic area (located in the first area 51).
  • the second transceiver antenna structure 2 includes: a second transceiver antenna clearance area disposed adjacent to the second transceiver antenna radiator, wherein the second transceiver antenna radiator is a metal region (located in the first region 51), and the second transceiver antenna clearance area It is a non-metallic area (located in the first area 51). It can be seen that the areas other than the antenna clearance areas in the first area 51 and the second area 52 are metal areas, that is, the area in the backplane 5 except for the antenna clearance area is a metal area, which can be considered to include the backplane 5
  • the mobile terminal is a mobile terminal of a metal casing.
  • the first MIMO antenna structure 3 is disposed in a support frame (not shown) of the mobile terminal. When the support frame is assembled with the backplane 5, the first MIMO antenna structure 3 is on the backplane 5.
  • the projection does not overlap with the first transceiver antenna structure 1, that is, the first multiple input multiple output antenna structure 3 and the first transceiver antenna structure 1 do not interfere with each other, so that the isolation effect is better.
  • the support frame provided by the embodiment of the present application with the first multiple input multiple output antenna structure 3 is a front support frame of the mobile terminal; when the mobile terminal includes When the frame is supported, the support frame provided with the first MIMO antenna structure 3 according to the embodiment of the present application is a middle support frame of the mobile terminal.
  • the second MIMO antenna structure 4 can be disposed in the second region 52 of the backplane 5 and does not overlap with other antenna structures (such as the second transceiver antenna structure 2) (ie, the second multiple input multiple output The antenna structure 4 does not interfere with other antenna structures.
  • the second MIMO antenna structure 4 is disposed on the support frame (ie, the support frame provided with the first MIMO antenna structure 3).
  • the second multiple input multiple output antenna structure 3 does not overlap with other antenna structures (such as the second multiple input multiple output antenna structure 3), and the projection of the second multiple input multiple output antenna structure 4 on the backplane 5 when the support frame is assembled with the backplane 5
  • the other antenna structures (such as the first transceiver antenna structure 1) overlap, that is, the second multiple input multiple output antenna structure 4 does not interfere with other antenna structures, and the degree of separation is better.
  • the antenna structure provided by the embodiment of the present application is applied to a mobile terminal.
  • the antenna structure includes: a first transceiver antenna structure, a second transceiver antenna structure, a first multiple input multiple output antenna structure, and a second multiple input multiple. Output antenna structure.
  • the first transceiver antenna structure is disposed in a first area of the backplane of the mobile terminal
  • the second transceiver antenna structure is disposed in a second area of the backplane of the mobile terminal, and the back of the mobile terminal
  • the region of the plate outside the first region and the second region is metal, and the first region and the second region are located at both ends of the backing plate in the first direction.
  • the first multiple input multiple output antenna structure is disposed in a support frame of the mobile terminal, and the first multiple input multiple output antenna structure is on the backplane when the support frame is assembled with the backplane
  • the projection does not overlap with the first transceiver antenna structure.
  • the second MIMO antenna structure is disposed on the second area of the backplane and does not overlap with other antenna structures, or is disposed in the support frame and assembled in the support frame and the backplane
  • the projection of the second multiple input multiple output antenna structure on the backplane does not overlap with the other antenna structures. It can be seen that the embodiment of the present application implements a 4 ⁇ 4 MIMO antenna structure design in a mobile terminal.
  • the first transceiver antenna structure 1 includes: a first transceiver antenna clearance area disposed immediately adjacent to the first transceiver antenna
  • the first transceiver antenna is disposed in the first region 51 of the backplane 5 in the second direction Y2 (or the short-axis direction of the mobile terminal backplane), and the first transceiver antenna radiator is adjacent to the first transceiver.
  • the antenna clearance area is located away from the center side of the backplane (ie, the side away from the center of the backplane 5) of the first transceiver antenna clearance area.
  • the first transceiver antenna clearance area can be disposed in the first area 51 of the backplane 5 in the second direction Y2, wherein the first transceiver antenna clearance area can be linear, rectangular, concave, or the like. It can be seen that the first transceiver antenna structure 1 extends in the first direction 51 of the backplane 5 in the second direction Y2, and the first transceiver antenna clearance area 11 is disposed in the first direction of the backplane 5 in the second direction Y2. In the area 51, when the mobile terminal is held by the user's hand, when the first transceiver antenna structure 1 is covered and blocked on the left or right side of the mobile terminal, the other end that is not blocked can transmit and receive signals, thereby transmitting and receiving signals.
  • the antenna structure 1 is capable of achieving good left and right virtual switching.
  • FIG. 2A is a schematic structural diagram 1 of the first embodiment of the structure of the first transceiver antenna
  • FIG. 2B is a schematic structural diagram 2 of the first embodiment of the structure of the first transceiver antenna, which is shown in FIG. 2A and FIG. 2B.
  • the first transceiver antenna structure 1 includes a first transceiver antenna clearance area 11 and a first transceiver antenna radiator 12 disposed in close proximity.
  • the first transceiver antenna clearance area 11 is disposed in the first area 51 of the backplane 5 in the second direction Y2, and the first transceiver antenna clearance area 11 is in a semi-circular shape with the opening facing the center of the backboard 5 (eg, As shown in FIG.
  • the first transceiver antenna clearing area 11 is an inverted trapezoid whose opening faces the center of the backboard 5; as shown in FIG. 2B, the first transceiver antenna clearing area 11 has a U shape with an opening facing the center of the backboard 5),
  • the first transceiver antenna structure 1 is in a semi-circular shape with the opening facing the center of the backing plate 5.
  • the first transceiver antenna clearance area 11 may also be in the shape of other recesses in the center of the backplane 5, which is not limited in the embodiment of the present application.
  • the projection of the first multiple input multiple output antenna structure 3 on the backplane 5 is located in whole or in part in the area surrounded by the first transceiver antenna structure 1 (as shown in FIG. 2A).
  • the first MIMO antenna structure 3 is an L-shaped antenna structure, and the long axis and the short axis portion of the first MIMO antenna structure 3 are located in a region surrounded by the first transceiver antenna structure 1) The influence of the first multiple input multiple output antenna structure 3 on the first transceiver antenna structure 1 can be reduced.
  • the first MIMO antenna structure 3 can also adopt other structures, such as a loop antenna, an inverted-F antenna (IFA), etc., which is not limited in this embodiment.
  • the first transceiver antenna clearance area 11 is disposed in the first area 51 of the backplane 5 in the second direction Y2, and the first transceiver antenna clearance area 11 is open.
  • the central semi-circular shape of the backplane 5 causes the first transceiver antenna structure 1 to have a semi-circular shape with the opening facing the center of the backplane 5, so that the first multiple input multiple output antenna structure is assembled when the backplane 5 and the support frame are assembled.
  • the projections on the backplane 5 are all or partially located in the area surrounded by the first transceiver antenna structure 1.
  • the first transceiver antenna structure 1 can not only achieve good left and right virtual switching, but also avoid the influence of the first multiple input multiple output antenna structure 3 on the first transceiver antenna structure 1 without additionally increasing the thickness of the mobile terminal. Therefore, the isolation effect is better.
  • FIG. 2C is a schematic structural diagram 3 of the first embodiment of the structure of the first transceiver antenna of the present application
  • FIG. 2D is a schematic structural diagram 4 of the first embodiment of the structure of the first transceiver antenna
  • FIG. 2E is the first transceiver antenna of the present application.
  • the first transceiver antenna structure 1 includes a first transceiver antenna clearance area 11 and a first transceiver antenna radiator 12 disposed immediately adjacent thereto.
  • the first transceiver antenna clearance area 11 is disposed in the first area 51 of the backplane 5 in the second direction Y2, and the first transceiver antenna clearance area 11 is straight-shaped, first The transceiver antenna radiator 12 is also rectangular and immediately adjacent to the center of the first transceiver antenna clearing area 11 away from the backplane.
  • the first transceiver antenna clearance area 11 is disposed through the back in the second direction Y2.
  • the first transceiver antenna radiator 12 has a semi-circular shape (such as a U-shape) opening toward the center of the backboard 5 and the first transceiver antenna radiator An opening is formed between both ends of the 12 and the metal of the backing plate.
  • the first transceiver antenna clearance area 11 is disposed in the first area 51 of the backplane 5 in the second direction Y2 and the first transceiver antenna clearance area 11 is rectangular, and the first transceiver antenna radiates
  • the body 12 includes a plurality of segments of radiation (as in the example of FIG. 2E, including a 3-segment radiator), and the plurality of segments are circumferentially distributed around the first transceiver antenna headroom 11 at half intervals.
  • the first transceiver antenna structure 1 can also adopt other implementation manners, which is not limited in the embodiment of the present application.
  • FIG. 3A is a schematic structural diagram 1 of a second transceiver antenna structure and a second multiple input multiple output antenna structure embodiment. As shown in FIG. 3A, the second multiple input multiple output antenna structure 4 is located on the back. The second region 52 of the board 5, and the second MIMO antenna structure 4 and the second transceiver antenna structure 2 are respectively located at opposite ends of the second region 52 in the second direction Y2, and do not interfere with each other.
  • the second multiple input multiple output antenna structure 4 includes: a second multiple input multiple output antenna clearing area 41 and a second multiple input multiple output antenna radiator 42 disposed adjacent to each other, and the second multiple input multiple output antenna radiator 42 is disposed on
  • the second multi-input multi-output antenna headroom 41 is away from the center of the backplane, and the source end of the second MIMO antenna radiator 42 is connected to the metal of the backplane 5, and the second MIMO antenna 42 is disposed at the second MIMO antenna.
  • An opening is formed between the end s1 and the metal of the backing plate 5.
  • the second transceiver antenna structure 2 includes: a second transceiver antenna clearance area 21 and a second transceiver antenna radiator 22 disposed in the immediate vicinity, and the second transceiver antenna radiator 22 is disposed on the center side of the second transceiver antenna clearance area 21 away from the backplane.
  • the source end of the second transceiver antenna radiator 22 is connected to the metal of the backplane 5, and an opening is formed between the end s2 of the second transceiver antenna radiator 22 and the metal of the backplane 5.
  • FIG. 3B is a schematic structural diagram 2 of the second transceiver antenna structure and the second multiple input multiple output antenna structure embodiment. As shown in FIG. 3B, the second multiple input multiple output antenna structure 4 is located on the back. The second region 52 of the board 5, and the second MIMO antenna structure 4 and the second transceiver antenna structure 2 are respectively located at opposite ends of the second region 52 in the second direction Y2, and do not interfere with each other.
  • the second multiple input multiple output antenna structure 4 includes: a third multiple input multiple output antenna clearing area 43 and a third multiple input multiple output antenna radiator 44 disposed in the immediate vicinity; and a third multiple input multiple output antenna clearing area 43 in the first
  • the second direction Y2 is disposed in a straight slit shape at the first end of the second region 52 of the backboard 5.
  • the third MIMO antenna radiator 44 is adjacent to the third MIMO antenna clearance area 43 and is located at the third The source end s3 of the third MIMO antenna radiator 44 is connected to the metal of the backplane 5 at a distance from the center of the backplane of the input multi-output antenna headroom 43.
  • the second transceiver antenna structure 2 includes: a third transceiver antenna clearance area 23 and a third transceiver antenna radiator 24 disposed in the immediate vicinity; wherein the third transceiver antenna clearance area 23 is disposed in a straight shape on the backplane in the second direction Y2
  • the second end of the second area 52 of the fifth, the third transceiver antenna radiator 24 is adjacent to the third transceiver antenna clearance area 23, and is located away from the backplane center side of the third transceiver antenna headroom 23, and the third transceiver antenna radiator 24
  • the source end s4 is connected to the metal of the backplane 5.
  • FIG. 3C is still another schematic structural diagram of the second multiple input multiple output antenna structure embodiment of the present application.
  • the second multiple input multiple output antenna structure 4 is disposed on the support frame of the mobile terminal. (ie, a support frame provided with the first MIMO antenna structure 3), and when the support frame is assembled with the backplane 5, the projection of the second MIMO antenna structure 4 on the backplane 5 and the first transceiver antenna Structure 1 does not overlap (as shown in FIG. 3C, the first transceiver antenna structure 1 is exemplified by FIG. 2A).
  • the second multiple input multiple output antenna structure 4 and A multi-input multi-output antenna structure 3 can be symmetrically disposed in the second direction Y2 with a central axis (as in FIG. 3C, the second multi-input multi-output antenna structure 4 can be an L-shaped antenna structure as an example).
  • the second MIMO antenna structure 4 may also be a loop antenna, an IFA antenna, etc., which is not limited in this embodiment.
  • the second transceiver antenna structure 2 can adopt the first or second implementation manner of the foregoing second transceiver antenna structure 2, and details are not described herein again.
  • the second transceiver antenna structure 2 and the second multiple-input multiple-output antenna structure 4 may also adopt other implementation manners, which are not limited in this embodiment of the present application.
  • the antenna structure further includes: a General Packet Radio Service (GPRS) antenna a structure and a first Wireless Fidelity (Wi-Fi) antenna structure, wherein the GPRS antenna structure, the first WI-FI antenna structure and the second MIMO antenna structure are integrated, for example, by sharing The radiant body, the clearance area, and the like corresponding to the structure of the two-input multi-output antenna 4 are realized.
  • GPRS General Packet Radio Service
  • Wi-Fi Wireless Fidelity
  • the antenna structure further includes: a second WI-FI antenna structure
  • the second WI-FI antenna structure may be integrated with the first multiple input multiple output antenna structure, for example, It is realized by sharing a radiator, a clearance area, and the like corresponding to the first MIMO antenna structure.
  • the second WI-FI antenna structure 8 is integrated with the first MIMO antenna structure 3.
  • the antenna structure further includes: a 5G WI-FI multiple input multiple output antenna structure
  • the 5G WI-FI multiple input multiple output antenna structure can be integrated with the second transceiver antenna structure 2
  • the integration is achieved, for example, by sharing a radiator, a clearance area, and the like corresponding to the second transceiver antenna structure.
  • the 5G WI-FI multiple input multiple output antenna structure 9 can be integrated with the second transceiver antenna structure 2.
  • FIG. 4A is a schematic structural diagram of a second embodiment of an antenna structure according to the present application.
  • FIG. 4B is a schematic diagram showing a position layout of a first transceiver antenna structure according to the present application
  • FIG. 4C is a schematic diagram showing a position layout of a first multiple input multiple output antenna structure according to the present application.
  • FIG. 4E is a schematic diagram of a position layout of a second transceiver antenna structure of the present application. As shown in FIG. 4A to FIG.
  • the antenna structure provided in this embodiment includes: a first transceiver antenna structure, a second transceiver antenna structure 2, a first multiple input multiple output antenna structure 3, and a second multiple input multiple output antenna structure. 4. GPRS antenna structure 6, first WI-FI antenna structure 7 and second WI-FI antenna structure 8.
  • the first transceiver antenna structure 1 includes: a first transceiver antenna clearance area 11 disposed in the immediate vicinity, a first transceiver antenna radiator 12, and an antenna feed point 13; and the second transceiver antenna structure 2 includes: a second transceiver antenna clearance disposed adjacent to the second transceiver antenna The area 21, the second transceiver antenna radiator 22 and the antenna feed point 23; the first multiple input multiple output antenna structure 3 includes: a first multiple input multiple output antenna clearance area disposed adjacent to the first multiple input multiple output antenna radiator 32 And an antenna feed point 33; the second multiple input multiple output antenna structure 4 includes: a second multiple input multiple output antenna clearance area 41 disposed in the immediate vicinity, a second multiple input multiple output antenna radiator 42 and an antenna feed point 45.
  • the first transceiver antenna structure 1 is disposed in the first area 51 of the backplane 5 of the mobile terminal
  • the second transceiver antenna structure 2 is disposed in the second area 52 of the backplane 5 of the mobile terminal
  • the backplane 5 of the mobile terminal is in the The area other than the area 51 and the second area 52 is metal, and the first area 51 and the second area 52 are located at both ends of the backing plate 5 in the first direction Y1.
  • the first transceiver antenna structure 1 extends in the first direction 51 of the backplane 5 in the second direction Y2, wherein the second direction Y2 is perpendicular to the first direction Y1; the first transceiver antenna clearance area 11 is in the first Two-way Y2 Placed in the first area 51 of the backplane 5, and the first transceiver antenna clearing area 11 is an inverted trapezoid whose opening faces the center of the backboard 5.
  • the first transceiver antenna radiator 12 is adjacent to the first transceiver antenna clearance area 11 and is located
  • the first transceiver antenna structure 1 is away from the center of the backplane, and the first transceiver antenna structure 1 has a semi-circular shape with the opening facing the center of the backplane 5.
  • the first transceiver antenna structure 1 is located on the backplane of the mobile terminal, and the antenna feed point 13 of the first transceiver antenna structure 1 and the first transceiver antenna radiator 12 are shown in FIG. 4B.
  • the first MIMO antenna structure 3 is disposed in the support frame of the mobile terminal.
  • the projection of the first MIMO antenna structure 3 on the backplane 5 is all or part of the first In the area surrounded by the transmitting and receiving antenna structure 1 (the first multi-input multi-output antenna structure 3 is an L-shaped antenna structure in FIG. 4A as an example).
  • the second WI-FI antenna structure 8 is integrated with the first MIMO antenna structure 3.
  • the first multiple input multiple output antenna structure 3 is located in a support frame of the mobile terminal, and the antenna feed point 33 of the first multiple input multiple output antenna structure 3 and the first multiple input multiple output are shown in FIG. 4C.
  • Antenna radiator 32 is shown in FIG. 4C.
  • the second multiple input multiple output antenna structure 4 is located in the second region 52 of the backplane 5, and the second multiple input multiple output antenna structure 4 and the second transceiver antenna structure 2 are respectively located in the second region 52 in the second direction Y2. end.
  • the second multiple input multiple output antenna radiator 42 of the second multiple input multiple output antenna structure 4 is disposed on the center side of the second multiple input multiple output antenna clearing area 41 away from the backplane, and the second multiple input multiple output antenna
  • the source end of the radiator 42 is connected to the metal of the backing plate 5, and an opening is formed between the end s1 of the second MIMO antenna radiator 42 and the metal of the backing plate 5.
  • the GPRS antenna structure 6, the first WI-FI antenna structure 7 and the second MIMO antenna structure 4 are integrated.
  • the second multiple input multiple output antenna structure 4 is located on the backplane of the mobile terminal, and the antenna feed point 45 of the second multiple input multiple output antenna structure 4 and the second multiple input multiple output antenna are shown in FIG. 4D. Radiator 42.
  • the second transceiver antenna radiator 22 of the second transceiver antenna structure 2 is disposed on the center side of the second transceiver antenna clearing area 21 away from the backplane, and the source end of the second transceiver antenna radiator 22 is connected to the metal of the backplane 5, An opening is formed between the end s2 of the second transmitting/receiving antenna radiator 22 and the metal of the backing plate 5.
  • the second transceiver antenna structure 2 is located on the backplane of the mobile terminal, and the antenna feed point 23 of the second transceiver antenna structure 2 and the second transceiver antenna radiator 22 are shown in FIG. 4E.
  • the first transceiver antenna clearing area 11 of the first transceiver antenna structure 1 is disposed in the first direction of the backplane 5 in the second direction Y2.
  • the area 51 when the mobile terminal is held by the user's hand, when the first transceiver antenna structure 1 is covered and blocked on the left or right side of the mobile terminal, the other end that is not blocked can transmit and receive signals, thereby transmitting and receiving signals.
  • the antenna structure 1 is capable of achieving good left and right virtual switching.
  • the first transceiver antenna clearance area 11 has a semi-circular shape with the opening facing the center of the backboard 5, so that the first transceiver antenna structure 1 has a semi-circular shape with the opening facing the center of the backboard 5, so as to be assembled in the backboard 5 and the support frame.
  • the projection of the first multiple input multiple output antenna structure 3 on the backplane 5 is located in whole or in part in the area surrounded by the first transceiver antenna structure 1, that is, the first transceiver antenna structure 1 and the first multiple input multiple output antenna structure.
  • the isolation structure of the antenna structure provided by this embodiment has a better effect.
  • the second WI-FI antenna structure 8 is integrated with the first multiple input multiple output antenna structure 3, and the GPRS antenna structure 6, the first WI-FI antenna structure 7 and the second multiple input multiple output antenna structure 4 Integration into one simplifies the antenna architecture.
  • FIG. 5 is a schematic structural diagram of an embodiment of a mobile terminal according to the present application.
  • the mobile terminal provided by the embodiment of the present application includes: a processor 501, a memory 502, an antenna structure 503, and a communication interface 505.
  • the processor 501, the memory 502, the antenna structure 503, and the communication interface 505 pass through the system bus. 504 connection.
  • the computer program of the mobile terminal is stored in the memory 502, and the processor 501 executes a corresponding computer code to perform a corresponding function, and controls the antenna structure 503 to send and receive signals.
  • the memory 502 may include volatile memory, such as non-volatile volatile random access memory (NVRAM), phase change random access memory (PRAM), magnetic A magnetic random access memory (MRAM) or the like; the memory 502 may further include a nonvolatile memory such as at least one magnetic disk storage device or an electrically erasable programmable read only memory (Electrically Erasable Programmable Read-Only) Memory, EEPROM), flash memory devices such as NOR flash memory or NAND flash memory.
  • NVRAM non-volatile volatile random access memory
  • PRAM phase change random access memory
  • MRAM magnetic A magnetic random access memory
  • the memory 502 may further include a nonvolatile memory such as at least one magnetic disk storage device or an electrically erasable programmable read only memory (Electrically Erasable Programmable Read-Only) Memory, EEPROM), flash memory devices such as NOR flash memory or NAND flash memory.
  • EEPROM Electrically erasable programmable read only memory
  • flash memory devices such as NOR
  • the processor 501 is a control center of the mobile terminal.
  • the processor 501 connects various portions of the entire mobile terminal using various interfaces and lines, and executes each of the mobile terminals by running or executing a software program and/or an application module stored in the memory 502, and calling data stored in the memory 502. The function and processing of data to monitor the mobile terminal as a whole.
  • the processor 501 may include only a CPU, or may be a combination of a CPU, a Graphic Processing Unit (GPU), a DSP, and a control chip (for example, a baseband chip) in the communication unit.
  • the CPU may be a single operation core, and may also include a multi-operation core.
  • the processor 501 and the memory 502 may be in the form of a device, such as a microcontroller or the like.
  • the system bus 504 can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component Interconnect
  • EISA Extended Industry Standard Architecture
  • the system bus 504 can be divided into an address bus, a data bus, a control bus, and the like.
  • various buses are illustrated as system bus 504 in FIG.
  • the antenna structure 503 communicates with the processor 501 through the system bus 504, and implements the communication function of the mobile terminal under the control of the processor 501.
  • the external structure of the mobile terminal of this embodiment includes: a backboard and a support frame, and the backplane has the antenna structure.
  • FIG. 6 is a schematic diagram showing the position layout of each antenna structure in the embodiment of the mobile terminal of the present application.
  • the antenna structure 600 includes: a first transceiver antenna structure 601, a second transceiver antenna structure 602, and a first multiple input multiple output antenna.
  • each antenna structure includes: a corresponding radiator (which is a metal region), a clearance area (which is a non-metal region), and an antenna feed point; wherein the radiator is used for transmitting and receiving The signal, the clearance area is used to keep the metal away from the antenna radiator, and the signal shielding is avoided.
  • the radiator is connected to the main board of the mobile terminal through the antenna feeding point, and the antenna radiation feeds the current to the main board through the antenna feeding point.
  • the specific implementation of the antenna structure 600 may adopt the technical solution of any embodiment of the antenna structure of the present application, and the implementation principle and technical effects thereof are similar, and details are not described herein again.
  • the first transceiver antenna structure 601 is located near the bottom of the mobile terminal; the first multiple input multiple output antenna structure 603 is located in the support frame of the mobile terminal, and the projection of the first multiple input multiple output antenna structure 603 on the backplane is located in whole or in part.
  • the area surrounded by the first transceiver antenna structure 601; the first transceiver antenna structure 602 And a second multiple input multiple output antenna structure 604 is located in the mobile terminal near the top.
  • the mobile terminal takes a mobile phone as an example.
  • the mobile terminal further includes: a top of the backboard from left to right, a double circle 605 represents a camera, a single circle 606 represents another camera, and an ellipse 607 represents a flash;
  • the protrusions on the left edge of the mobile terminal in FIG. 6 are provided with buttons 608, such as a power-off button and a volume adjustment button.
  • buttons 608 such as a power-off button and a volume adjustment button.
  • other components may be disposed on the backplane of the mobile terminal of the present application. For the limit.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Transceivers (AREA)

Abstract

Des modes de réalisation de la présente invention concernent une structure d'antenne et un terminal mobile. La structure d'antenne est applicable au terminal mobile. La structure d'antenne comprend : une première structure d'antenne d'émission-réception, une seconde structure d'antenne de réception, une première structure d'antenne à entrées multiples et sorties multiples, et une seconde structure d'antenne à entrées multiples et sorties multiples. La première structure d'antenne d'émission-réception est disposée dans une première zone d'une plaque arrière du terminal mobile. La seconde structure d'antenne d'émission-réception est disposée dans une seconde zone de la plaque arrière du terminal mobile. La première structure d'antenne à entrées multiples et sorties multiples est disposée à l'intérieur d'un cadre de support du terminal mobile, et a une saillie sur la plaque arrière ne chevauchant pas la première structure d'antenne d'émission-réception. La seconde structure d'antenne à entrées multiples et sorties multiples est disposée dans la seconde zone de la plaque arrière, et ne chevauche pas les autres structures d'antenne ; en variante, la seconde structure d'antenne à entrées multiples et sorties multiples est disposée à l'intérieur du cadre de support et a une saillie sur la plaque arrière ne chevauchant pas les autres structures d'antenne. Des modes de réalisation de la présente invention réalisent une conception de structure d'antenne MIMO 4 x 4 dans un terminal mobile.
PCT/CN2017/074828 2017-01-19 2017-02-24 Structure d'antenne, terminal mobile WO2018133160A1 (fr)

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CN201710044563 2017-01-19

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