WO2021043163A1 - Système d'antenne, terminal mobile, et procédé de transmission de signal - Google Patents

Système d'antenne, terminal mobile, et procédé de transmission de signal Download PDF

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Publication number
WO2021043163A1
WO2021043163A1 PCT/CN2020/113004 CN2020113004W WO2021043163A1 WO 2021043163 A1 WO2021043163 A1 WO 2021043163A1 CN 2020113004 W CN2020113004 W CN 2020113004W WO 2021043163 A1 WO2021043163 A1 WO 2021043163A1
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WO
WIPO (PCT)
Prior art keywords
antenna
circuit
mobile terminal
feed path
slot
Prior art date
Application number
PCT/CN2020/113004
Other languages
English (en)
Chinese (zh)
Inventor
周圆
侯猛
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
Publication of WO2021043163A1 publication Critical patent/WO2021043163A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • 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
    • 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
    • H01Q1/12—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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic

Definitions

  • This application relates to the field of communication technology, and in particular to antenna systems, mobile terminals and signal transmission methods.
  • the radiation pattern of the antenna is an important indicator that affects the signal transmission performance of the antenna, and the size of the antenna set on the mobile terminal is usually small, and the radiation direction of the antenna is easily affected by the floor of the mobile terminal. As a result, the directivity of the radiation direction of the antenna is often relatively high, and the signal transmission performance is poor.
  • the present application provides an antenna system, a mobile terminal, and a signal transmission method, which can reduce the directivity of the antenna and optimize the signal transmission performance of the antenna.
  • the present application provides an antenna system, including a first antenna, a feed path of the first antenna, a second antenna, a feed path of the second antenna, and a second on-off circuit, the first antenna and the second antenna
  • the working frequency band of the antenna is 2.4GHz or 5GHz; the first antenna is located on the first side, the second side, or the corner area where the first side and the second side of the housing of the mobile terminal are connected, and the first antenna is connected to the first side.
  • the feed path of the antenna is connected, the first side and the second side are two adjacent sides of the housing; the second antenna is located on the second side, and the second on-off circuit is connected in series with the feed of the second antenna and the second antenna. Between the electrical paths, the second on-off circuit is used to disconnect the second antenna and the feed path of the second antenna when the first antenna is working and the second antenna is not working.
  • the connection between the second antenna and the feed path of the second antenna is disconnected to change the time when the first antenna receives and sends signals. Therefore, the directivity of the first antenna is reduced and the signal transmission performance of the first antenna is optimized.
  • the second on-off circuit is also used to switch on the connection between the second antenna and the feed path of the second antenna when the second antenna is working.
  • the length of the first side is less than the length of the second side.
  • the mobile terminal can ensure that the antenna used has low directivity in both the vertical screen mode and the horizontal screen mode, so as to ensure signal transmission performance.
  • a first slit is etched on the housing close to the first side, one end of the first slit is open on the first side, and the other end of the first slit is grounded , Forming a first antenna; the first antenna is connected to the feed path of the first antenna, including: the other end of the first slot is connected to the feed path of the first antenna.
  • a first slit is etched on the housing near the second side, one end of the first slit is open on the second side, and the other end of the first slit is grounded , Forming a first antenna; the first antenna is connected to the feed path of the first antenna, including: the other end of the first slot is connected to the feed path of the first antenna.
  • the antenna system further includes a first on-off circuit; the first on-off circuit is connected in series between the other end of the first slot and the feed path of the first antenna, and the first on-off circuit is used for When the two antennas are working and the first antenna is not working, the connection between the first antenna and the feed path of the first antenna is disconnected.
  • the connection between the first antenna and the feed path of the first antenna is disconnected to change the current when the second antenna receives and sends signals. Distribution, thereby reducing the directivity of the second antenna and optimizing the signal transmission performance of the second antenna.
  • the vertex area is etched with a first slot, one end of the first slot opens on the first side or the second side, and the other of the first slot One end is grounded to form a first antenna; the first antenna is connected to the feed path of the first antenna, including: the other end of the first slot is connected to the feed path of the first antenna.
  • a second slit is etched on the housing close to the second side, one end of the second slit is open on the second side, and the other end of the second slit is grounded to form a second antenna;
  • the circuit is connected in series between the other end of the second slot and the feed path of the second antenna.
  • the present application provides a mobile terminal including at least one antenna system as described in the first aspect, and the antenna system is used for the mobile terminal to send and receive signals.
  • the present application provides a signal transmission method applied to the mobile terminal as described in the second aspect.
  • the antenna system of the mobile terminal includes a first antenna, a feed path of the first antenna, a second antenna, and a second antenna
  • the feed path and the second on-off circuit of the first antenna and the second antenna are 2.4GHz or 5GHz;
  • the first antenna is located on the first side, second side, or first side of the housing of the mobile terminal In the vertex area where the side is connected to the second side, the first antenna is connected to the feed path of the first antenna, the first side and the second side are two adjacent sides of the housing;
  • the second antenna is located on the second side ,
  • the second on-off circuit is connected in series between the second antenna and the feed path of the second antenna; the method includes: when the mobile terminal determines to use the first antenna to send and receive signals, and does not use the second antenna to send and receive signals, the mobile terminal The second on-off circuit is disconnected; the mobile terminal uses the first antenna to send and receive signals.
  • the antenna system further includes a first on-off circuit, the first on-off circuit is connected in series between the first antenna and the feed path of the first antenna; the mobile terminal disconnecting the second on-off circuit includes: The terminal turns off the second on-off circuit and turns on the first on-off circuit; when the mobile terminal determines to use the second antenna to transmit and receive signals, and when the first antenna is not used to transmit and receive signals, the mobile terminal turns on the first on-off circuit And disconnect the second on-off circuit.
  • the mobile terminal can use the first antenna to send and receive signals, and not use the second antenna to send and receive signals, by disconnecting the second antenna and the feed path of the second antenna , To change the current distribution when the first antenna receives and send signals, thereby reducing the directivity of the first antenna and optimizing the signal transmission performance of the first antenna.
  • FIG. 1 is a first structural diagram of an antenna system provided by this application.
  • FIG. 2 is a second structural diagram of an antenna system provided by this application.
  • FIG. 3 is a third structural diagram of an antenna system provided by this application.
  • FIG. 4 is a schematic diagram of current simulation provided by this application.
  • Figure 5 is a schematic diagram of an electric field simulation provided by this application.
  • Fig. 6 is a schematic diagram of a radiation direction simulation provided by this application.
  • Figure 7 is a schematic diagram of a hand grip provided by this application.
  • FIG. 8 is a fourth structural diagram of an antenna system provided by this application.
  • FIG. 9 is a schematic structural diagram 5 of an antenna system provided by this application.
  • FIG. 10 is a schematic structural diagram of another antenna system provided by this application.
  • FIG. 11 is a schematic structural diagram of a mobile terminal provided by this application.
  • FIG. 12 is a schematic flowchart of a signal transmission method provided by this application.
  • words such as “exemplary” or “for example” are used to represent examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present application should not be construed as being more preferable or advantageous than other implementations or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
  • the antenna system provided in this application is an antenna system that is set in a mobile terminal and includes at least two antennas.
  • the mobile terminal can realize the wireless fidelity (WiFi) antenna system, the long term evolution (LTE) antenna system, etc. that realize multiple-input multiple-output (MIMO) communication.
  • the mobile terminal can be a mobile phone, a mobile computer, a tablet computer, a wearable device, and the like.
  • Each antenna in the antenna system is generally set on the housing of the mobile terminal, and the feed path of each antenna is generally set on the control module of the mobile terminal (for example, an integrated circuit board wrapped in the housing in the mobile terminal).
  • the working frequency band of each antenna in the antenna system may be 2.4 GHz or 5 GHz.
  • the antenna system includes a first antenna 10, a feed path 11 of the first antenna, a second antenna 12, and a feed of the second antenna. Path 13 and second on-off circuit 14.
  • the first antenna 10 may be located at the first side 150 (as shown in FIG. 1) of the housing 15 of the mobile terminal, or at the second side 151 (as shown in FIG. 2), or at the first side 150 and the second side 150. In the vertex area 152 (as shown in FIG. 3) where the side 151 is connected, the first antenna 10 is connected to the feed path 11 of the first antenna.
  • the second antenna 12 is located on the second side 151, and the second on-off circuit 14 is connected in series between the second antenna 12 and the feed path 13 of the second antenna.
  • the first side 150 and the second side 151 are two adjacent sides of the housing 15.
  • the first antenna 10 and the second antenna 12 may be slot antennas or wire antennas, and the deployment of the first antenna and the second antenna is achieved by etching the slot on the housing 15.
  • the first antenna 10 and the second antenna 12 may be a typical Inverted-F Antenna (IFA) or a Planar Inverted-F Antenna (PIFA) or the like.
  • the housing 15 of the mobile terminal may be a metal housing or a non-metal housing. If the housing 15 is a metal housing, the gap between the first antenna and the second antenna can be directly etched at the designated position on the metal housing. If the housing 15 is a non-metal housing, such as a plastic housing, the antenna can be deployed by means of a bracket. That is, a metal patch is attached to the shadow of the non-metal shell, and then the gap between the first antenna and the second antenna is etched on the metal patch.
  • the first slit 101 may be etched on the housing 15 close to the first side 150. One end is open on the first side 150, and the other end of the first slot 101 is grounded to form the first antenna 10.
  • the first slit 101 can be etched on the housing 15 close to the second side 151, and one end of the first slit 101 is at The second side 151 is open, and the other end of the first slot 101 is grounded to form the first antenna 10.
  • the first slot 101 can be etched in the vertex area 152, and one end of the first slot 101 can be opened on the first side 150, or as shown in FIG. 3 As shown, one end of the first slot 101 can also be opened on the second side 151, and the other end of the first slot 101 is grounded to form the first antenna 11.
  • the first antenna 10 is connected to the feed path 12 through the grounded end of the first slot 101, so that the first antenna 10 implements signal transmission and reception under the control of the feed path 11.
  • the second slit 121 can be etched on the housing 15 close to the second side 151, and one end of the first slit 101 is on the second side 151.
  • the upper opening, the other end of the second slot 121 is grounded, and the second antenna 12 is formed.
  • the second on-off circuit 14 is connected in series between the grounded end of the second slot 121 and the feed path 13.
  • the first antenna 10 and the second antenna 12 are separated by a certain distance to ensure that the first antenna 10 and the second antenna 12 The isolation between them prevents the first antenna 10 and the second antenna 12 from interfering with each other when working at the same time.
  • the first antenna 10 and the second antenna 12 can be located at both ends of the button, respectively.
  • the distance between the first antenna 10 and the second antenna 12, and the size specifications of the first antenna 10 and the second antenna 12 can be set according to the actual industrial design required, which is not limited in this application.
  • a second on-off circuit 14 is connected in series between the second antenna 12 and the feed path 13, and the second on-off circuit 14 is used when the first antenna 10 is working and the second antenna 12 is not working. , The connection between the second antenna 12 and the feed path 13 is disconnected. When the second antenna 12 is working, the link between the second antenna 12 and the feed path 13 is connected.
  • the antenna working means that the mobile terminal uses the antenna to send and receive signals
  • the antenna inoperative means that the mobile terminal does not use the antenna technique signal. That is, when the mobile terminal determines to use the first antenna 10 to send and receive signals, and the second antenna 12 is not suitable for sending and receiving signals, the second on-off circuit 14 is disconnected. When it is determined that the second antenna 12 is used to transmit and receive signals, the second on-off circuit 14 is turned on, so that the second antenna 12 implements signal transmission and reception under the control of the feed path 13.
  • the second on-off circuit 13 may be a switching device, such as a single-pole/single-throw (SPST) switch.
  • the second on-off circuit 13 may also be a component or device overlap circuit with on-off function.
  • the second antenna 12 When the second on-off circuit 13 is disconnected, the second antenna 12 forms a resonant structure with one end open and the other end grounded.
  • the current generated when the first antenna 10 is working can be changed.
  • the current distribution in the mobile terminal improves the directivity of the first antenna 10.
  • the current distribution and directivity of the first antenna 10 will be exemplified when the second on-off circuit 13 is in the off and on state. instruction of.
  • the second on-off circuit 13 when the first antenna 10 is working, the second on-off circuit 13 is respectively in the on state (as shown in FIG. 4(a)) and the off state (as shown in FIG. 4(a)).
  • 4(b) shows the schematic diagram of the current simulation.
  • the area showing brightness is the current distribution in the mobile terminal of the current generated by the first antenna 12 during operation.
  • the second on-off circuit 13 is located under the second antenna 12 in the off state (as shown in Fig. 4, the virtual under the second antenna 12
  • the current of the part out of the coil is significantly reduced. Therefore, the resonant structure formed by the second antenna 12 effectively suppresses the downward flow of the current generated by the first antenna 10 during operation.
  • the second on-off circuit 13 when the first antenna 10 is working, the second on-off circuit 13 is in an on state (as shown in FIG. 5(a)) and an off state (as shown in FIG. Figure 5(b) shows the schematic diagram of the electric field simulation.
  • the area with relatively strong brightness is the distribution of the electric field generated by the first antenna 12 during operation in the mobile terminal.
  • the electric field corresponds to the current.
  • the second on-off circuit 13 is located under the second antenna 12 in the off state (as shown in Fig. 5).
  • the electric field intensity of the first antenna 10 in the portion enclosed by the dotted line under the second antenna 12 is significantly reduced. Therefore, the resonant structure formed by the second antenna 12 can effectively reduce the electric field strength of the first antenna 10 under the second antenna 12.
  • the radiation pattern of the first antenna 10 and the second antenna 12 of the second on-off circuit 13 when the second on-off circuit 13 is in the on state and the off state, respectively, will be exemplarily described below in conjunction with the simulation schematic diagram of the radiation direction shown in FIG.
  • FIG. 6(a) is a radiation pattern of the first antenna 10 when the first antenna 10 is working, the second antenna 12 is not working, and the second on-off circuit 13 is disconnected.
  • the maximum value of the directivity of the first antenna 10 is 3.1 dBi (dBi is a unit of power gain), and the minimum value is -23 dBi.
  • FIG. 6(b) is a radiation pattern of the first antenna 10 when the first antenna 10 is working, the second antenna 12 is not working, and the second on-off circuit 13 is turned on.
  • the maximum value of the directivity of the first antenna 10 is 4.9dBi, and the minimum value is -14dBi.
  • FIG. 6(c) is a radiation pattern of the second antenna 12 when the first antenna 10 is not working, the second antenna 12 is working, and the second on-off circuit 13 is turned on.
  • the maximum value of the directivity of the second antenna 12 is 2.54dBi, and the minimum value is -31dBi.
  • the second on-off circuit 13 disconnects the second antenna 12 from the feed path
  • the connection between 13 can reduce the directivity of the first antenna 10 and optimize the signal transmission performance of the first antenna 10. Therefore, by using the antenna system provided by the embodiment of the present application, the first antenna 10 and the second antenna 12 can both have lower directivity when they work separately.
  • the length of the first side 150 on the housing 15 is less than the length of the second side 151. That is, when the terminal device has a horizontal screen mode or a vertical screen mode, the antenna located on the relatively long side can be selected as the second antenna.
  • the mobile terminal is a terminal device with a landscape mode and a portrait mode, such as a mobile phone or a tablet
  • a landscape mode and a portrait mode such as a mobile phone or a tablet
  • antennas in different positions are used Send and receive signals.
  • the first antenna 10 is located in the vertex area 152.
  • the side of the mobile terminal is usually held, for example, as shown in FIG. 7(a), the area enclosed by the dashed frame 701. Therefore, the signal quality of the antenna located in the top corner area is better than the signal quality of the antenna located on the side.
  • the mobile terminal will use the first antenna 10 located in the top corner area 152 for signal transmission and reception.
  • the top corner area of the mobile terminal is usually held, for example, as shown in FIG. 7(b), the area enclosed by the dashed frame 702. Therefore, the signal quality of the antenna located on the side is better than the signal quality of the antenna located in the vertex area.
  • the mobile terminal uses the second antenna 12 located at the second side 151 for signal transmission and reception. Therefore, based on the antenna system provided by the embodiments of the present application, no matter whether the mobile terminal works in the vertical screen mode or the horizontal screen mode, the antenna used can be guaranteed to have low directivity to ensure signal transmission performance.
  • the antenna system provided in the present application may include a plurality of first antennas 10 corresponding to the second antenna 12, that is, one second antenna 12 can improve the directivity of the plurality of first antennas 10.
  • the plurality of first antennas 10 may all be located on the first side 150, or all on the second side 151, and may also be located on the first side 150, the second side 151, and the first side 150 and the second side respectively.
  • the second on-off circuit 14 can be disconnected, so that no matter which of the first antennas 10 is working, the resonant structure formed by the second antenna 12 can be used to reduce the direction to a certain extent. , Improve transmission performance.
  • the antenna system includes an antenna 80, an antenna 81, an antenna 82 and an antenna 83.
  • the antenna 80 is deployed on the side 840 of the mobile terminal housing 84
  • the antenna 81 is deployed on the side 840 of the mobile terminal housing 84 near the top corner area 841
  • the antenna 82 is deployed at In the top corner area 841 of the mobile terminal housing 84
  • the antenna 83 is disposed on the side 842 of the mobile terminal housing 84.
  • the feed path of each antenna is set in the control module 85 of the mobile terminal and connected to each antenna.
  • the antenna 80 can be used as a second antenna, and an on-off circuit 86 is connected in series between the antenna 80 and the feed path of the antenna 80.
  • the antenna 81, the antenna 82, and the antenna 83 are all first antennas corresponding to the antenna 80. Then, when the antenna 80 is not working, the on-off circuit 86 can be disconnected, so that no matter any one or more of the antenna 81, the antenna 82, and the antenna 83 are working, it can be based on the resonant structure formed by the antenna 80 , Reduce the directivity to a certain extent, improve the transmission performance.
  • the first on-off circuit may also be connected in series between the first antenna 10 and the feed path 11 of the first antenna. 16. It is used to disconnect the connection between the first antenna 10 and the feed path 11 when the second antenna 12 is working and the first antenna 10 is not working.
  • the antenna system may be as shown in FIG. 9.
  • the antenna system further includes a first on-off circuit 16 and a first on-off circuit 16 It is connected in series between the first antenna 10 and the feed path 11.
  • the first antenna 10 When the first on-off circuit 16 is disconnected, the first antenna 10 forms a resonant structure with one end open and one end grounded, which can change the current distribution in the mobile terminal of the current generated by the second antenna 12 during operation, thereby reducing the second antenna
  • the directivity of 12 improves the transmission performance of the second antenna 12.
  • the antenna system may also include more than one set of first antennas and second antennas.
  • the antenna system includes an antenna 100, an antenna 101, an antenna 102, and an antenna 103.
  • the antenna 100 is deployed in the top corner area 1041 of the mobile terminal housing 104
  • the antenna 101 is deployed in the top corner area 1042 of the housing 104
  • the antenna 102 is deployed on the side 1043 of the housing 104
  • the antenna 103 is deployed on the side 1044 of the housing 104.
  • the feed path of each antenna is set in the control module 105 of the mobile terminal and connected to each antenna.
  • the antenna 100 and the antenna 102 can be used as a set of the first antenna and the second antenna, where the antenna 100 is the first antenna and the antenna 102 is the second antenna.
  • An on-off circuit 106 is connected in series between the antenna 102 and the feed path of the antenna 102. When the antenna 102 is not working but the antenna 100 is working, the on-off circuit 106 can be disconnected to improve the directivity of the antenna 100.
  • the antenna 101 and the antenna 103 are used as another set of the first antenna and the second antenna, where the antenna 101 is the first antenna, and the antenna 103 is the second antenna.
  • An on-off circuit 107 is connected in series between the antenna 103 and the feed path of the antenna 103. When the antenna 102 is not working and the antenna 101 is working, the on-off circuit 107 can be disconnected to improve the directivity of the antenna 101.
  • An embodiment of the present application further provides a mobile terminal, including at least one antenna system provided in the embodiment of the present application, and the antenna system is used for the mobile terminal to send and receive signals.
  • a mobile terminal including at least one antenna system provided in the embodiment of the present application, and the antenna system is used for the mobile terminal to send and receive signals.
  • two world systems are deployed on the mobile terminal, namely antenna system 1 and antenna system 2.
  • the antenna system 1 and the antenna system 2 are used to provide mobile terminals with signal transceiving functions in different frequency bands.
  • the antenna system 1 is an LTE antenna system
  • the antenna system 2 is a WiFi antenna system.
  • a flowchart of an embodiment of a signal transmission method provided in this application is applied to the above-mentioned mobile terminal provided in this application.
  • the method includes:
  • Step 1201 When the mobile terminal determines to use the first antenna to send and receive signals, and not to use the second antenna to send and receive signals, the mobile terminal disconnects the second on-off circuit connected in series with the second antenna.
  • the mobile terminal can determine whether to use the first antenna to send and receive signals and whether to use the second antenna to send and receive signals by checking the signal quality.
  • Step 1202 The mobile terminal uses the first antenna to send and receive signals.
  • the mobile terminal can use the first antenna to send and receive signals, and not use the second antenna to send and receive signals, by disconnecting the second antenna and the feed path of the second antenna. To change the current distribution when the first antenna receives and send signals, thereby reducing the directivity of the first antenna and optimizing the signal transmission performance of the first antenna.
  • the on-off circuit can be turned on. , To ensure that the feed path of the second antenna can control the second antenna to send and receive signals.
  • the antenna system further includes a first on-off circuit
  • the mobile terminal needs to disconnect the second on-off circuit
  • the mobile terminal determines to use the second antenna to send and receive signals, and does not use the first antenna to send and receive signals
  • the mobile terminal turns on the first on-off circuit and disconnects the second on-off circuit Circuit. Therefore, no matter which antenna is used to send and receive signals, another unused antenna can be used as a resonant structure to reduce the directivity of the antenna and optimize the signal transmission performance.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)

Abstract

La présente invention se rapporte au domaine technique des communications et concerne un système d'antenne, un terminal mobile et un procédé de transmission de signal, capables de réduire la directivité des antennes et d'optimiser les performances de transmission de signal des antennes. Le système d'antenne comprend une première antenne, un trajet d'alimentation de la première antenne, une seconde antenne, un trajet d'alimentation de la seconde antenne, et un second circuit marche/arrêt. La première antenne est située au niveau d'un premier côté, d'un second côté ou d'une zone de coin supérieur où le premier côté et le second côté sont reliés, d'un boîtier du terminal mobile ; la première antenne est connectée au trajet d'alimentation de la première antenne, et le premier côté et le second côté sont deux côtés adjacents du boîtier ; la seconde antenne est située sur le second côté ; le second circuit marche-arrêt étant connecté en série entre la seconde antenne et le trajet d'alimentation de la seconde antenne ; le second circuit marche-arrêt est utilisé pour déconnecter la seconde antenne du trajet d'alimentation de la seconde antenne lorsque la première antenne est en fonctionnement et que la seconde antenne ne fonctionne pas.
PCT/CN2020/113004 2019-09-06 2020-09-02 Système d'antenne, terminal mobile, et procédé de transmission de signal WO2021043163A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910843725.XA CN112467372B (zh) 2019-09-06 2019-09-06 天线系统、移动终端及信号传输方法
CN201910843725.X 2019-09-06

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WO2021043163A1 true WO2021043163A1 (fr) 2021-03-11

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WO (1) WO2021043163A1 (fr)

Citations (6)

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