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WO2020253521A1 - 多输入多输出天线系统、天线控制方法和电子设备 - Google Patents

多输入多输出天线系统、天线控制方法和电子设备 Download PDF

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Publication number
WO2020253521A1
WO2020253521A1 PCT/CN2020/093999 CN2020093999W WO2020253521A1 WO 2020253521 A1 WO2020253521 A1 WO 2020253521A1 CN 2020093999 W CN2020093999 W CN 2020093999W WO 2020253521 A1 WO2020253521 A1 WO 2020253521A1
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WIPO (PCT)
Prior art keywords
antenna
module
electronic device
antenna unit
wifi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/093999
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English (en)
French (fr)
Inventor
吴镇仲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oneplus Technology Shenzhen Co Ltd
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Oneplus Technology Shenzhen Co Ltd
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Publication date
Application filed by Oneplus Technology Shenzhen Co Ltd filed Critical Oneplus Technology Shenzhen Co Ltd
Publication of WO2020253521A1 publication Critical patent/WO2020253521A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection

Definitions

  • This application relates to the field of communication technology, and in particular to a multiple-input multiple-output antenna system, multiple-input multiple-output antenna control method and electronic equipment.
  • WiFi Wireless Fidelity
  • MIMO Multi-input Multi-output
  • 2x2MIMO technology can improve the transmission efficiency of WiFi networks.
  • the data is encoded in a certain way and transmitted and received in the form of electromagnetic waves through two antennas. Compared with the traditional 1X1 single In WiFi, it can reach 2 times the theoretical throughput rate.
  • the 2-way WIFi antenna can easily cause at least one of the antennas to be blocked during user use, thereby affecting the data transmission rate.
  • the present application provides a multiple-input multiple-output antenna system, multiple-input multiple-output antenna control method, and electronic equipment, which can avoid the problem that the antenna performance is affected by holding the antenna, ensure the transmission rate of the MIMO antenna, and improve user experience.
  • a multiple-input multiple-output antenna system is configured in an electronic device, and the antenna system includes:
  • the antenna module includes a main antenna unit and a sub-antenna unit, each of the main antenna unit and the sub-antenna unit includes at least two antennas, and each of the antennas is arranged at a different position of the electronic device; the antenna module Used to receive and send WiFi signals;
  • the WiFi module is used to process the WiFi signal
  • the switch module is respectively connected to the WiFi module and the antenna module, and is used to turn on or disconnect the transceiver link where the main antenna unit or the secondary antenna unit is located, and the transceiver link is the main antenna
  • a detection module for detecting the shielding state of the antenna module
  • the control module is respectively connected to the switch module and the detection module, and is used to control the switch module to turn on the transceiver link where the main antenna unit is located according to the shielding state of the antenna module to transmit and receive the WiFi signal, or to control The switch module turns on the transceiver link where the secondary antenna unit is located to transmit and receive the WiFi signal.
  • the electronic device includes a first side and a third side disposed opposite to each other, and a second side and a fourth side disposed opposite to each other.
  • the second side is opposite to the The first side and the third side are connected, and the fourth side is respectively connected with the first side and the third side;
  • the main antenna unit is arranged on the first side or the third side; the auxiliary antenna unit is arranged on the second side and the fourth side.
  • the main antenna unit includes a first antenna and a second antenna
  • the auxiliary antenna unit includes a third antenna and a fourth antenna
  • the first antenna and the second antenna are both arranged on the first side;
  • the third antenna is arranged on the second side, and the fourth antenna is arranged on the fourth side.
  • the detection module is also used to detect the posture information of the electronic device; according to the posture information, it is determined whether the antenna currently in the working state is in a shielding state.
  • the detection module is used to detect the light sensitivity value of the position where the antenna is currently in operation; when the light sensitivity value is less than a preset light sensitivity threshold, it is determined that the antenna currently in operation is in a blocking state ,
  • the control module controls the switch module to switch the transceiver link.
  • the detection module is used to detect the impedance value of a preset antenna
  • the control module controls the switch module to switch Transceiver link.
  • the multiple-input multiple-output antenna system further includes a GPS chip and a combiner, the GPS chip is used to send and receive GPS signals, and the GPS chip and the WiFi module are connected to the GPS through the combiner. ⁇ Antenna module.
  • the switch module includes a double-pole four-throw switch, the fixed end of the double-pole four-throw switch is connected to the WiFi module, and the moving end of the double-pole four-throw switch is connected to the first An antenna, the second antenna, the third antenna, and the fourth antenna are connected, and the double-pole four-throw switch is used to turn on the transceiver link between the WiFi module and the antenna module.
  • a multiple-input multiple-output antenna control method is applied to an electronic device.
  • the electronic device is configured with a switch module and an antenna module.
  • the antenna module includes a main antenna unit and a sub-antenna unit.
  • the main antenna unit and the sub-antenna unit Each antenna unit includes at least two antennas, and each of the antennas is arranged at a different position of the electronic device; the antenna module is used to receive and send WiFi signals; the method includes:
  • control the switch module According to the blocking state of the antenna module, control the switch module to turn on the transceiver link where the main antenna unit is located to transmit and receive the WiFi signal, or control the switch module to turn on the transceiver link where the secondary antenna unit is located Transceive the WiFi signal.
  • the detecting the shielding state of the antenna module includes:
  • the light sensor at the position of the antenna unit currently in working state is detected by the light sensor preset in the electronic device, and when the light sensor value is less than the preset light sensor threshold, the antenna unit currently in working state is determined In a state of occlusion; or,
  • the impedance value of the preset antenna is detected by the impedance tuner preset in the electronic device; when the impedance value is less than the preset impedance threshold, it is determined that the side where the preset antenna is located is opposite to the side The antennas on the sides are in a blocked state.
  • An electronic device includes the above-mentioned multiple-input multiple-output antenna system, which is used to send and receive WiFi signals.
  • An electronic device comprising an antenna system for transmitting and receiving antenna signals, a memory, and a processor.
  • the memory stores a computer program.
  • the processor executes the above antenna. Control method steps.
  • the multiple-input multiple-output antenna system includes an antenna module, the antenna module includes a main antenna unit and a sub-antenna unit, the main antenna unit and the Each of the auxiliary antenna units includes at least two antennas, and each of the antennas is set at a different position of the electronic device; the antenna module is used for receiving and sending WiFi signals; the WiFi module is used for processing the WiFi signals; The switch module is respectively connected to the WiFi module and the antenna module, and is used to turn on or disconnect the transceiver link where the main antenna unit or the secondary antenna unit is located, and the transceiver link is the main antenna The connection path between the unit and the WiFi module, or the connection path between the auxiliary antenna unit and the WiFi module; the detection module, used to detect the shielding state of the antenna module; the control module, respectively, and the switch module and the detection module Connection, used to control the switch module to turn on the transceiver link where
  • the above-mentioned system detects the blocking state of the antenna module to switch the working state of the main antenna unit and the auxiliary antenna unit, which can avoid the problem that the antenna performance is affected by holding the antenna, guarantee the transmission rate of the MIMO antenna, and improve the user experience.
  • Fig. 1 is a schematic structural diagram of an electronic device provided by an embodiment
  • Fig. 2 is one of the structural schematic diagrams of a multiple-input multiple-output antenna system in an embodiment
  • Fig. 3 is a second structural diagram of a multiple-input multiple-output antenna system in an embodiment
  • Fig. 4 is a third structural diagram of a multiple-input multiple-output antenna system in an embodiment
  • Fig. 5 is a fourth structural diagram of a multiple-input multiple-output antenna system in an embodiment
  • FIG. 6 is one of the schematic flowcharts of a method for controlling a multiple-input multiple-output antenna in an embodiment
  • FIG. 7 is the second schematic diagram of the process of detecting the blocking state of the antenna module according to an embodiment
  • FIG. 8 is the third schematic diagram of the process of detecting the blocking state of the antenna module according to an embodiment
  • FIG. 9 is a fourth schematic diagram of the process of detecting the blocking state of the antenna module according to an embodiment.
  • FIG. 10 is the fifth schematic diagram of the process of detecting the blocking state of the antenna module according to an embodiment
  • FIG. 11 is a sixth schematic diagram of a process of detecting the blocking state of an antenna module according to an embodiment.
  • first, second, etc. used in this application can be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish the first element from another element.
  • the first antenna may be referred to as the second antenna, and similarly, the second antenna may be referred to as the first antenna. Both the first antenna and the second antenna are antennas, but they are not the same antenna.
  • the multiple input multiple output antenna system of an embodiment of the present application is configured in an electronic device.
  • the electronic device may include a mobile phone, a tablet computer, a notebook computer, a handheld computer, a mobile Internet device (MID), Wearable devices (such as smart watches, smart bracelets, pedometers, etc.) or other communication modules that can be equipped with multiple input and multiple output antenna systems.
  • MID mobile Internet device
  • Wearable devices such as smart watches, smart bracelets, pedometers, etc.
  • other communication modules that can be equipped with multiple input and multiple output antenna systems.
  • the electronic device 10 may include a display screen assembly 101, a housing assembly 102, and a controller.
  • the display screen assembly 101 is fixed on the housing assembly 102, and forms the external structure of the electronic device together with the housing assembly 102.
  • the housing assembly 102 may include a middle frame and a back cover.
  • the middle frame may be a frame structure with through holes. Wherein, the middle frame can be accommodated in the accommodation space formed by the display screen assembly and the back cover.
  • the back cover is used to form the outer contour of the electronic device.
  • the back cover can be integrally formed. During the molding process of the back cover, a rear camera hole, a fingerprint recognition module, an antenna device mounting hole and other structures can be formed on the back cover.
  • the back cover may be a non-metal back cover, for example, the back cover may be a plastic back cover, a ceramic back cover, a 3D glass back cover, etc.
  • the controller can control the operation of electronic equipment and so on.
  • the display screen component can be used to display pictures or fonts, and can provide users with an operation interface.
  • a multiple-input multiple-output antenna system is integrated in the housing assembly 102, and the multiple-input multiple-output antenna system can transmit and receive WiFi signals through the housing assembly 102.
  • Fig. 2 is a schematic structural diagram of a MIMO antenna system in an embodiment.
  • the MIMO antenna system 100 includes an antenna module WiFi module 120, a switch module 130, a detection module 140, and a control module 150. among them,
  • the antenna module includes a main antenna unit 111 and a sub-antenna unit. Both the main antenna unit 111 and the sub-antenna unit include at least two antennas, and each antenna is set in a different position of the electronic device; the antenna module is used to receive and send WiFi signals;
  • the electronic device includes a first side 210 and a third side 230 arranged opposite to each other, and a second side 220 and a fourth side 240 arranged opposite to each other.
  • the second side 220 is connected to the first side 210 and the second side respectively.
  • the three sides 230 are connected, and the fourth side 240 is connected to the first side 210 and the third side 230 respectively.
  • the main antenna unit 111 may be arranged on any one of the first side 210, the second side 220, the third side 230, or the fourth side 240
  • the multiple antennas included in the main antenna unit 111 can be arranged on different sides or at different positions on the same side; the secondary antenna units can be arranged on the first side 210, the second side 220, and the third side 230 Or any one of the fourth sides 240, the multiple antennas included in the secondary antenna unit may be arranged on different sides or different positions on the same side.
  • the main antenna unit 111 may be arranged on the first side 210 or the third side 230; the secondary antenna unit may be arranged on the second side 220 and the fourth side 240.
  • Both the main antenna unit 111 and the auxiliary antenna unit include at least two antennas, for example, there may be 2, 3 or more. It should be noted that the working states of at least two antennas included in the main antenna unit 111 are consistent, that is, when the main antenna unit 111 is in working state, at least two antennas included in the main antenna unit 111 are in working state, and when the main antenna unit 111 is not In the working state, at least two antennas included in the main antenna unit 111 are not in working state; similarly, when the auxiliary antenna unit is in working state, at least two antennas included in the auxiliary antenna unit are both in working state. When the unit is not in the working state, at least two antennas included in the secondary antenna unit are not in the working state.
  • the main antenna unit 111 includes two antennas, a first antenna 1111 and a second antenna 1112, and the secondary antenna unit includes two antennas, a third antenna 1121 and a fourth antenna 1122;
  • the first antenna 1111 and the second antenna 1112 are both arranged on the first side 210; the third antenna 1121 is arranged on the second side 220, and the fourth antenna 1122 is arranged on the fourth side 240.
  • the working states of the first antenna 1111 and the second antenna 1112 are the same, and the working states of the third antenna 1121 and the fourth antenna 1122 are the same.
  • installation positions of the multiple antennas shown in FIG. 2 are only examples and do not limit the installation positions of the antennas.
  • the installation positions of the antennas can be selected according to actual conditions.
  • the first antenna 1111, the second antenna 1112, the third antenna 1121, and the fourth antenna 1122 can be 2.4GHz+5GHz dual-frequency antenna or 2.4GHz single-frequency antenna, or 2.4GHz+5GHz+GPS antenna or 2.4G+5G +LTE mid-to-high frequency antenna.
  • the specific type of the antenna depends on the antenna design environment, which is not limited in this embodiment.
  • the WiFi module 120 is used to process WiFi signals. Since Multiple-Input Multiple-Output (MIMO) refers to the use of multiple transmitting antennas and receiving antennas at the transmitting end and the receiving end respectively, so that the signal is transmitted and received through multiple antennas at the transmitting end and the receiving end, therefore,
  • MIMO Multiple-Input Multiple-Output
  • the WiFi module 120 supports MIMO technology, which can be a WIFI chip that supports MIMO.
  • the WiFi chip is connected to multiple antennas to form multiple transceiver links to simultaneously transmit and receive antenna signals through multiple antennas, which can increase the WiFi signal transmission speed , Which in turn can improve user experience.
  • the switch module 130 is respectively connected to the WiFi module 120 and the antenna module, and is used to connect the transceiver link where the main antenna unit 111 is located, or the transceiver link where the auxiliary antenna unit is located, and the transceiver link between the main antenna unit 111 and The connection path of the WiFi module 120, or the connection path of the auxiliary antenna unit and the WiFi module 120.
  • one end of the switch module 130 is connected to the WiFi module 120, and the other end of the switch module 130 is respectively connected to multiple antennas of the antenna module.
  • the switch module 130 conducts or disconnects the transceiver link where each antenna is located.
  • the switch module 130 when the switch module 130 turns on the transceiver link where the main antenna unit 111 is located, it turns on the transceiver link where each antenna in the main antenna unit 111 is located; when the switch module 130 turns on the transceiver link where the secondary antenna unit is located
  • transmitting and receiving links that is, the transmitting and receiving links where each antenna in the sub-antenna unit is connected.
  • the main antenna unit 111 includes a first antenna 1111 and a second antenna 1112
  • the secondary antenna unit includes a third antenna 1121 and a fourth antenna 1122.
  • the switch module 130 When the switch module 130 turns on the transceiver link where the main antenna unit 111 is located, the link where the first antenna 1111 and the second antenna 1112 are located is turned on at the same time, so that the first antenna 1111 and the second antenna 1112 simultaneously transmit and receive WiFi signals; When the switch module 130 turns on the transceiver link where the secondary antenna unit is located, the link where the third antenna 1121 and the fourth antenna 1122 are located at the same time is turned on, so that the third antenna 1121 and the fourth antenna 1122 simultaneously transmit and receive WiFi signals.
  • the switch module 130 includes a double-pole four-throw switch, the fixed end of the double-pole four-throw switch is connected to the WiFi module, and the movable end of the double-pole four-throw switch is connected to the first antenna 1111, the second antenna 1112, and The third antenna 1121 and the fourth antenna 1122 are connected, and the double-pole four-throw switch is used to turn on the transceiver link between the WiFi module 120 and the antenna module.
  • the switch module 130 may be another type of switch capable of switching between the main antenna unit 111 and the auxiliary antenna unit.
  • the detection module 140 is used to detect the shielding state of the antenna module.
  • the control module 150 is respectively connected to the switch module 130 and the detection module 140, and is used to control the switch module 130 to turn on the transceiver link where the main antenna unit 111 is located according to the shielding state of the antenna module to send and receive WiFi signals, or to control the switch module 130 to turn on The transceiver link where the secondary antenna unit is located sends and receives WiFi signals.
  • the switch module 130 has two working modes. The first working mode is to turn on the transceiver link where the main antenna unit 111 is located to send and receive WiFi signals, and the second working mode is to turn on the transceiver link where the secondary antenna unit is located to receive and send WiFi signals. signal.
  • the detection module 140 may be used to detect the posture information of the electronic device, and determine whether the antenna currently in the working state is in the blocking state according to the posture information.
  • the detection module 140 may include a gyroscope to detect the posture information of the electronic device.
  • the posture information can be the placement state of the electronic device, such as horizontal placement and vertical placement.
  • the placement state of the electronic device corresponds to the shielding state of the antenna unit. In this embodiment, when the electronic device is placed vertically, as shown in FIG. 1, it can be determined that the second side 220 and the fourth side 240 of the electronic device are blocked, and the switch module 130 is working in the first working mode.
  • a sensor (Sensor pad 141) and a SAR sensor (SAR sensor) connected to the Sensor pad 141 may be provided on either side of the electronic device.
  • Sensor pad 141 is a metal sheet used to sense changes in capacitance, which can be FPC or LDS.
  • SAR sensor is a capacitance sensor used to detect changes in capacitance when a human body approaches, so as to control the operating mode of the switch according to changes in capacitance.
  • the capacitive sensor is based on the principle that the capacitance is inversely proportional to the distance between the plates. A probe with a certain area is used as one plate of the capacitor, and the detected object (considered as the ground) is the other plate of the capacitor.
  • the detection capacitor can be used as the resonance capacitance of the oscillation circuit.
  • the oscillation frequency of the oscillation circuit will change. As long as the oscillation frequency is detected, the distance of the object can be judged. .
  • a sensor pad 141 is provided on the third side 230 of the electronic device to sense the capacitance change and send the capacitance change information to the SAR sensor.
  • the control module 150 controls the switch module 130 to work in the first working mode, and the main antenna unit 111 located on the first side 210 is turned on to be in the working state, thereby avoiding hand. To grasp the problem of antennas affecting antenna performance, ensure the transmission rate of MIMO antennas, and improve user experience.
  • the detection module 140 may detect the shielding state of the antenna module by detecting the light sensitivity value of the position where the antenna is currently in the working state.
  • one end of the detection module 140 can be connected to a camera or an ambient light sensor, and the other end of the detection module 140 can be connected to a control module.
  • the location of the camera or the ambient light sensor is the location of the antenna currently in operation.
  • the first antenna 1111 and the second antenna 1112 included in the main antenna unit 111 are both arranged on the first side 210, the third antenna 1121 is arranged on the second side 220, and the fourth antenna 1122 is arranged on the fourth side.
  • Side 240 the initial main antenna unit 111 is in the working state by default, that is, the switch module 130 conducts the transceiver link where the main antenna unit 111 is located at this time.
  • the first side 210 is also provided with a front camera and/or ambient light sensor, and it is determined whether the first antenna 1111 unit and the second antenna 1112 unit are blocked by detecting whether the front camera and/or light sensor is blocked.
  • the control module controls the switch module 130 to switch the transceiver link, that is, the switch module 130 turns on the transceiver where the secondary antenna unit is located.
  • the link enables the third antenna 1121 on the second side 220 and the fourth antenna 1122 on the fourth side 240 to send and receive WiFi signals at the same time, so as to avoid the problem of antenna performance being affected by the antenna by hand, and to ensure the transmission of the MIMO antenna Speed, improve user experience.
  • the detection module 140 may be connected to a preset antenna for detecting the impedance value of the preset antenna.
  • the impedance value is less than the preset impedance threshold, it is determined that the side where the preset antenna is located and the antenna on the side opposite to the side are both in a shielded state.
  • the preset antenna may be another type of antenna such as a WiFi antenna or an LTE antenna 144, and the preset antenna may be set on any side of the electronic device.
  • an LTE antenna 144 is provided on the third side 230 of the electronic device, or other antennas.
  • the LTE antenna 144 is taken as an example for description.
  • the detection module 140 is connected to the LTE antenna 144 for detecting the impedance value of the LTE antenna 144.
  • the detection module 140 may be an impedance tuning chip. When the impedance tuning chip detects that the impedance value of the LTE antenna 144 is less than a preset impedance threshold, it is determined that the third side 230 is in a shielded state, and the third side 230 is The antennas on the first side 210 opposite to the side 230 are all in a shielded state.
  • the control module 150 controls the switch module 130 to turn on the secondary antenna units located on the second side 220 and the fourth side 240 to be in a working state.
  • the detection module 140 can further detect whether the side or the opposite side of the antenna currently in operation is held by the hand. When the side is held by hand, detect the light sensitivity value of the side and/or the opposite side. When the light sensitivity value is less than the preset light sensitivity threshold, determine the blocking state of the antenna currently in working state, and the control module 150 controls the switch The module 130 switches the transceiver link.
  • the detection module 140 detects whether the third side 230 is being held by the sensor pad 141 and the SAR sensor 142.
  • the light sensor (not shown in the figure) of the first side 210 is further used to detect whether the antenna of the first side 210 is blocked, or the impedance tuner 145 is used to detect whether the antenna is set on the first side The impedance value of the preset antenna on the side 210. If it is detected that the antenna on the first side 210 is blocked, the control module 150 controls the switch module 130 to turn on the secondary antenna units located on the second side 220 and the fourth side 240. Transceiver link. In this embodiment, by setting multiple switching conditions, misjudgment can be avoided and the accuracy of switching can be improved.
  • the multiple-input multiple-output antenna system 100 provided in this embodiment switches the working state of the main antenna unit 111 and the auxiliary antenna unit by detecting the working state of the antenna module, which can avoid the problem of antenna performance being affected by the hand-held antenna and ensure the performance of the MIMO antenna. Transmission rate improves user experience.
  • FIG. 5 is a schematic structural diagram of a multiple-input multiple-output antenna system 100 in another embodiment.
  • the antenna system 100 further includes a GPS chip 145 and an antenna duplexer 146.
  • the GPS chip 145 is used to send and receive GPS signals, and the GPS chip 145 and the WiFi module 120 are connected to the antenna module through a combiner 146.
  • the combiner 146 can make multiple transmitters (or multiple receivers) share a transmitting antenna (or receiving antenna). If there is antenna multiplexing, the combiner 146 can combine the two signals into one and connect it to the antenna. In this embodiment, the combiner 146 combines the GPS signal and one of the WiFi signals output by the switch module 130 into one signal. It can be understood that the multiplexing principles of other antennas are similar, and will not be repeated in this embodiment.
  • Fig. 6 is one of the flowcharts of the antenna control method provided by an embodiment.
  • the antenna control method is applied to an electronic device.
  • the electronic device is configured with a main antenna unit 111 and a sub-antenna unit. Both the main antenna unit 111 and the sub-antenna unit include at least Two antennas, and each antenna is set in a different position of the electronic device; the antenna module is used to receive and send WiFi signals; as shown in Figure 6, the antenna control method includes steps 610 and 620, where:
  • Step 610 Detect the blocking state of the antenna module
  • Step 620 According to the shielding state of the antenna module, control the switch module 130 to turn on the transceiver link where the main antenna unit 111 is located to transmit and receive WiFi signals, or control the switch module 130 to turn on the transceiver link where the secondary antenna unit is located to transmit and receive WiFi signals.
  • the antenna control method provided in this embodiment detects the blocking state of the antenna module to switch the working state of the main antenna unit 111 and the auxiliary antenna unit, which can avoid the problem of antenna performance being affected by the antenna by hand, guarantee the transmission rate of the MIMO antenna, and improve users Experience.
  • FIG. 7 is the second flowchart of detecting the shielding state of the antenna module provided by an embodiment.
  • the detecting the shielding state of the antenna module includes step 710 and step 720, wherein,
  • Step 710 Detect posture information of the electronic device through a gyroscope preset in the electronic device
  • Step 720 Determine, according to the posture information, whether the antenna unit currently in the working state is in the blocking state.
  • the posture information may be the placement state of the electronic device, such as horizontal placement and vertical placement, and the placement state of the electronic device corresponds to the shielding state of the antenna unit.
  • the electronic device when the electronic device is placed vertically, as shown in FIG. 2, it can be determined that the second side 220 and the fourth side 240 of the electronic device are blocked, and the switch module 130 is turned on where the main antenna unit 111 is located.
  • Transceiving link when it is detected that the mobile terminal is placed horizontally, it can be determined that the first side 210 and the third side 230 of the electronic device are blocked at this time, and the switch module 130 conducts the transceiver link where the secondary antenna unit is located.
  • a sensor pad 141 and a SAR sensor connected to the sensor pad 141 may be provided on either side of the electronic device.
  • Sensor pad 141 is a metal sheet used to sense changes in capacitance, which can be FPC or LDS.
  • SAR sensor is a capacitance sensor used to detect changes in capacitance when a human body approaches, so as to control the operating mode of the switch according to changes in capacitance.
  • the capacitive sensor is based on the principle that the capacitance is inversely proportional to the distance between the plates. A probe with a certain area is used as one plate of the capacitor, and the detected object (considered as the ground) is the other plate of the capacitor.
  • the detection capacitor can be used as the resonance capacitance of the oscillation circuit.
  • the oscillation frequency of the oscillation circuit will change. As long as the oscillation frequency is detected, the distance of the object can be judged. .
  • a sensor pad 141 is provided on the third side 230 of the electronic device to sense the capacitance change and send the capacitance change information to the SAR sensor.
  • the switch module 130 is controlled to turn on the main antenna unit 111 located on the first side 210 in the working state, thereby avoiding the problem of the antenna performance being affected by the holding antenna and ensuring the MIMO antenna
  • the transmission rate is improved, and the user experience is improved.
  • FIG. 8 is the third flowchart of detecting the shielding state of the antenna module provided by an embodiment. As shown in FIG. 8, detecting the shielding state of the antenna module includes steps 810 to 820, wherein,
  • Step 810 Detect the light perception value of the position where the antenna unit currently in working state is located through the light sensor preset in the electronic device;
  • Step 820 If the light sensitivity value is less than the preset light sensitivity threshold, it is determined that the antenna unit currently in the working state is in the blocking state.
  • the first antenna 1111 and the second antenna 1112 included in the main antenna unit 111 are both arranged on the first side 210, the third antenna 1121 is arranged on the second side 220, and the fourth antenna 1122 is arranged on the fourth side.
  • Side 240 the main antenna unit 111 is in the working state by default, that is, the switch module 130 turns on the transceiver link where the main antenna unit 111 is located at this time.
  • the first side 210 is also provided with a front camera and/or light sensor. It can be determined whether the first antenna 1111 unit and the second antenna 1112 unit located on the first side 210 are blocked by detecting whether the front camera and/light sensor are blocked. Occlude.
  • the control module 150 controls the switch module 130 to switch the transceiver link, that is, the switch module 130 turns on the secondary antenna unit.
  • the transceiver link enables the third antenna 1121 located on the second side 220 and the fourth antenna 1122 located on the fourth side 240 to transmit and receive WiFi signals at the same time, so as to avoid the problem that the antenna performance is affected by the hand-held antenna and ensure the MIMO antenna Transmission rate improves user experience.
  • FIG. 9 is the fourth flow chart of detecting the shielding state of the antenna module provided by an embodiment. As shown in FIG. 9, detecting the shielding state of the antenna module includes step 910 and step 920, wherein,
  • Step 910 Detect the impedance value of the preset antenna through the impedance tuner 145 preset in the electronic device;
  • Step 920 If the impedance value is less than the preset impedance threshold, it is determined that the side where the preset antenna is located and the antenna on the side opposite to the side are both in a shielded state.
  • the preset antenna may be another type of antenna such as a WiFi antenna or an LTE antenna 144, and the preset antenna may be set on any side of the electronic device.
  • the third side 230 of the electronic device is provided with an LTE antenna 144, which may also be other antennas.
  • This embodiment takes the LTE antenna 144 as an example for description.
  • the detection module 140 is connected to the LTE antenna 144 for The impedance value of the LTE antenna 144 is detected.
  • the detection module 140 may be an impedance tuning chip. When the impedance tuning chip detects that the impedance value of the LTE antenna 144 is less than the preset impedance threshold, it is determined that the antenna of the third side 230 and the antenna of the first side 210 are both blocked. State, the control module 150 controls the switch module 130 to turn on the antenna units of the second side 220 and the fourth side 240 to be in a working state.
  • FIG. 10 is the fourth flow chart of detecting the shielding state of the antenna module provided by an embodiment. As shown in FIG. 10, detecting the shielding state of the antenna module includes steps 1010 to 1030, wherein:
  • Step 1010 Detect whether the electronic device is steering through the gyroscope
  • Step 1020 If the steering of the electronic device is detected, the light sensor is used to detect the light perception value of the position of the antenna currently in working state;
  • Step 1030 If the light sensitivity value is less than the preset light sensitivity threshold value, it is determined that the currently working antenna is in a blocking state, and the control module 150 controls the switch module 130 to switch the transceiver link.
  • Step 1020 and step 1030 correspond to step 810 and step 820 in Embodiment 8, which will not be repeated in this embodiment.
  • FIG. 11 is the fifth flow chart for detecting the shielding state of the antenna module provided by an embodiment. As shown in FIG. 11, detecting the shielding state of the antenna module includes steps 1110 to 1130, where:
  • Step 1120 if the steering of the electronic device is detected, the impedance value of the preset antenna is detected by the impedance tuner 145;
  • Step 1130 If the impedance value is less than the preset impedance threshold, it is determined that both the side where the preset antenna is located and the antenna on the side opposite to the side are in a shielded state.
  • Step 1120 and step 1130 correspond to step 910 and step 920 in Embodiment 9, which will not be repeated in this embodiment.
  • FIGS. 6 to 11 are displayed in sequence as indicated by the arrows, these steps are not necessarily performed in sequence in the order indicated by the arrows. Unless specifically stated in this article, the execution of these steps is not strictly limited in order, and these steps can be executed in other orders. Moreover, at least part of the steps in FIGS. 6 to 11 may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily executed at the same time, but may be executed at different times. These sub-steps or The execution order of the stages is not necessarily carried out sequentially, but may be executed alternately or alternately with at least a part of other steps or sub-steps or stages of other steps.
  • An embodiment of the present application also provides an electronic device.
  • the electronic device includes the multiple-input multiple-output antenna system in any of the foregoing embodiments, and is used to send and receive WiFi signals.
  • the electronic device can include mobile phones, tablet computers, laptops, palmtop computers, mobile Internet devices (MID), wearable devices (such as smart watches, smart bracelets, pedometers, etc.) or other configurable antennas Communication module.
  • MID mobile Internet devices
  • wearable devices such as smart watches, smart bracelets, pedometers, etc.
  • the embodiment of the present application also provides an electronic device, including an antenna system for transmitting and receiving antenna signals, a memory, and a processor.
  • a computer program is stored in the memory.
  • the processor executes the aforementioned antenna control. Method steps.

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Abstract

本申请涉及一种多输入多输出天线系统、天线控制方法和电子设备，其中，天线系统包括天线模块，天线模块包括主天线单元和副天线单元，主天线单元和副天线单元均包括至少两个天线，且每一天线设置在电子设备的不同位置；WiFi模块，用于处理WiFi信号；开关模块，分别与WiFi模块、天线模块连接，用于导通或断开主天线单元、副天线单元所在的收发链路；检测模块，用于检测天线模块的遮挡状态；控制模块，用于根据天线模块的遮挡状态控制开关模块导通主天线单元或副天线单元所在的收发链路收发WiFi信号。上述系统通过检测天线模块的工作状态来切换主天线单元和副天线单元的工作状态，可以避免由于手握天线影响天线性能的问题，保障MIMO天线的传输速率，提升用户体验。

Description

多输入多输出天线系统、天线控制方法和电子设备
本申请要求于2019年06月17日提交中国专利局、申请号为“201910522111.1”、申请名称为“多输入多输出天线系统、多输入多输出天线控制方法和电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，特别是涉及一种多输入多输出天线系统、多输入多输出天线控制方法和电子设备。
背景技术
随着无线保真(英文全称:Wireless Fidelity，英文简称:WiFi)技术的高速增长和不断普及，越来越多的移动终端用户使用WiFi技术进行通信。通常，电子设备使用多输入多输出(英文全称:Multi-input Multi-output，英文简称:MIMO)技术来保持接收更清晰强大的WiFi信号，大大降低了在数据拥塞的情况下对移动终端接收WiFi信号的影响，提高接收信号质量。2x2MIMO技术比起单路的WiFi，可以提高WiFi网络的传输效率，在WiFi数据传输的过程当中，数据经由一定的方式编码后，以电磁波的形式通过2路天线传送接收，相比传统的1X1单路WiFi中，可以达到2倍的理论吞吐率。
但是，在电子设备的有限天线环境，2路WIFi天线在用户使用中很容易造成至少其中1路天线被遮挡，从而影响数据传输速率。
申请内容
本申请提供一种多输入多输出天线系统、多输入多输出天线控制方法和电子设备，可以避免由于手握天线影响天线性能的问题，保障MIMO天线的传输速率，提升用户体验。
一种多输入多输出天线系统，配置于电子设备，所述天线系统包括：
天线模块，包括主天线单元和副天线单元，所述主天线单元和所述副天线单元均包括至少两个天线，且每一所述天线设置在所述电子设备的不同位置；所述天线模块用于接收和发送WiFi信号；
WiFi模块，用于处理所述WiFi信号；
开关模块，分别与所述WiFi模块、所述天线模块连接，用于导通或断开所述主天线单元或所述副天线单元所在的收发链路，所述收发链路为所述主天线单元与WiFi模块的连接通路，或，所述副天线单元与WiFi模块的连接通路；
检测模块，用于检测所述天线模块的遮挡状态；
控制模块，分别与所述开关模块、所述检测模块连接，用于根据所述天线模块的遮挡状态控制所述开关模块导通主天线单元所在的收发链路收发所述WiFi信号，或，控制所述开关模块导通所述副天线单元所在的收发链路收发所述WiFi信号。
在一实施例中，所述电子设备包括相背设置的第一侧边、第三侧边，以及相背设置的第二侧边和第四侧边，所述第二侧边分别与所述第一侧边、所述第三侧边连接，所述第四侧边分别与所述第一侧边、所述第三侧边连接；
所述主天线单元设置在所述第一侧边或所述第三侧边；所述副天线单元设置在所述第二侧边和所述第四侧边。
在一实施例中，所述主天线单元包括第一天线和第二天线，所述副天线单元包括第三天线和第四天线；其中，
所述第一天线和所述第二天线均设置在所述第一侧边；
所述第三天线设置在所述第二侧边，所述第四天线设置在所述第四侧边。
在一实施例中，所述检测模块还用于检测所述电子设备的姿态信息；根据所述姿态信息判断所述当前处于工作状态的天线是否处于遮挡状态。
在一实施例中，所述检测模块用于检测当前处于工作状态的天线所在位置的光感值；当所述光感值小于预设光感阈值时，判定当前处于工作状态的天线处于遮挡状态，所述控制模块控制所述开关模块切换收发链路。
在一实施例中，所述检测模块用于检测预置天线的阻抗值；
当所述阻抗值小于预设阻抗阈值时，判定所述预置天线所在的侧边和与所述侧边相对的侧边上的天线均处于遮挡状态，所述控制模块控制所述开关模块切换收发链路。
在一实施例中，所述多输入多输出天线系统还包括GPS芯片和合路器，所述GPS芯片用于收发GPS信号，所述GPS芯片和所述WiFi模块通过所述合路器连接至所述天线模块。
在一实施例中，所述开关模块包括双刀四掷开关，所述双刀四掷开关的不动端与所述WiFi模块连接，所述双刀四掷开关的动端分别与所述第一天线、所述第二天线、所述第三天线以及所述第四天线连接，所述双刀四掷开关用于导通所述WiFi模块与所述天线模块之间的收发链路。
一种多输入多输出天线控制方法，应用于电子设备，所述电子设备中配置有开关模块和天线模块，所述天线模块包括主天线单元和副天线单元，所述主天线单元和所述副天线单元均包括至少两个天线，且每一所述天线设置在所述电子设备的不同位置；所述天线模块用于接收和发送WiFi信号；所述方法包括：
检测所述天线模块的遮挡状态；
根据所述天线模块的遮挡状态控制所述开关模块导通所述主天线单元所在的收发链路收发所述WiFi信号，或，控制所述开关模块导通所述副天线单元所在的收发链路收发所述WiFi信号。
在一实施例中，所述检测所述天线模块的遮挡状态，包括：
通过预置在所述电子设备中的陀螺仪检测所述电子设备的姿态信息，根据所述姿态信息判断当前处于工作状态的天线单元是否处于遮挡状态；或，
通过预置在所述电子设备中的光感应器检测当前处于工作状态的天线单元所在的位置光感值，当所述光感值小于预设光感阈值时，判定当前处于工作状态的天线单元处于遮挡状态；或，
通过预置在所述电子设备中的阻抗调谐器检测预置天线的阻抗值；当所述阻抗值小于预设阻抗阈值时，判定所述预置天线所在的侧边和与所述侧边相对的侧边上的天线均处于遮挡状态。
一种电子设备，包括上述的多输入多输出天线系统，用于收发WiFi信号。
一种电子设备，包括用于收发天线信号的天线系统、存储器及处理器，所述存储器中储存有计算机程序，所述计算机程序被所述处理器执行时，使得所述处理器执行上述的天线控制方法的步骤。
本申请实施例提供的多输入多输出天线系统、天线控制方法和电子设备，其中，多输入多输出天线系统包括天线模块，天线模块包括主天线单元和副天线单元，所述主天线单元和所述副天线单元均包括至少两个天线，且每一所述天线设置在所述电子设备的不同位置；所述天线模块用于接收和发送WiFi信号；WiFi模块，用于处理所述WiFi信号；开关模块，分别与所述WiFi模块、所述天线模块连接，用于导通或断开所述主天线单元或所述副天线单元所在的收发链路，所述收发链路为所述主天线单元与WiFi模块的连接通路，或，所述副天线单元与WiFi模块的连接通路；检测模块，用于检测所述天线模块的遮挡状态；控制模块，分别与所述开关模块、所述检测模块连接，用于根据所述天线模块的遮挡状态控制所述开关模块导通主天线单元所在的收发链路收发所述WiFi信号，或，控制所述开关模块导通所述副天线单元所在的收发链路收发所述WiFi信号。上述系统通过检测天线模块的遮挡 状态来切换主天线单元和副天线单元的工作状态，可以避免由于手握天线影响天线性能的问题，保障MIMO天线的传输速率，提升用户体验。
附图说明
图1为一实施例提供的电子设备的结构示意图；
图2为一实施例中多输入多输出天线系统的结构示意图之一；
图3为一实施例中多输入多输出天线系统的结构示意图之二；
图4为一实施例中多输入多输出天线系统的结构示意图之三；
图5为一实施例中多输入多输出天线系统的结构示意图之四；
图6为一实施例中多输入多输出天线控制方法的流程示意图之一；
图7为一实施例提供的检测天线模块遮挡状态的流程示意图之二；
图8为一实施例提供的检测天线模块遮挡状态的流程示意图之三；
图9为一实施例提供的检测天线模块遮挡状态的流程示意图之四；
图10为一实施例提供的检测天线模块遮挡状态的流程示意图之五；
图11为一实施例提供的检测天线模块遮挡状态的流程示意图之六。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
可以理解，本申请所使用的术语“第一”、“第二”等可在本文中用于描述各种元件，但这些元件不受这些术语限制。这些术语仅用于将第一个元件与另一个元件区分。举例来说，在不脱离本申请的范围的情况下，可以将第一天线称为第二天线，且类似地，可将第二天线称为第一天线。第一天线和第二天线两者都是天线，但其不是同一天线。
本申请一实施例的多输入多输出天线系统配置于电子设备，在一实施例中，电子设备可以为包括手机、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(Mobile Internet Device，MID)、可穿戴设备(例如智能手表、智能手环、计步器等)或其他可设置多输入多输出天线系统的通信模块。
如图1所示，在本申请实施例中，电子设备10可包括显示屏组件101、壳体组件102和控制器。显示屏组件101固定于壳体组件102上，与壳体组件102一起形成电子设备的外部结构。壳体组件102可以包括中框和后盖。中框可以为具有通孔的框体结构。其中，中框可以收容在显示屏组件与后盖形成的收容空间中。后盖用于形成电子设备的外部轮廓。后盖可以一体成型。在后盖的成型过程中，可以在后盖上形成后置摄像头孔、指纹识别模组、天线装置安装孔等结构。其中，后盖可以为非金属后盖，例如，后盖可以为塑胶后盖、陶瓷后盖、3D玻璃后盖等。控制器能够控制电子设备的运行等。显示屏组件可用来显示画面或字体，并能够为用户提供操作界面。
在一实施例中，壳体组件102内集成有多输入多输出天线系统，多输入多输出天线系统能够透过壳体组件102发射和接收WiFi信号。
图2为一实施例中多输入多输出天线系统的结构示意图，如图2所示，多输入多输出天线系统100包括：天线模块WiFi模块120、开关模块130、检测模块140和控制模块150，其中，
天线模块包括主天线单元111和副天线单元，主天线单元111和副天线单元均包括至少两个天线，且每一天线设置在电子设备的不同位置；天线模块用于接收和发送WiFi信号；
电子设备包括相背设置的第一侧边210、第三侧边230，以及相背设置的第二侧边220和第四侧边240，第二侧边220分别与第一侧边210、第三侧边230连接，第四侧边240分别与第一侧边210、第三侧边230连接。每一天线设置在电子设备的不同位置，例如可以是， 主天线单元111可以设置在第一侧边210、第二侧边220、第三侧边230或第四侧边240中的任意一个侧边，主天线单元111包括的多个天线可以设置在不同的侧边，或同一侧边的不同位置；副天线单元可以设置在第一侧边210、第二侧边220、第三侧边230或第四侧边240中的任意一个侧边，副天线单元包括的多个天线可以设置在不同的侧边，或同一侧边的不同位置。例如，主天线单元111可以设置在第一侧边210或第三侧边230；副天线单元设置在第二侧边220和第四侧边240。
主天线单元111和副天线单元均包括至少两个天线，例如可以为2个、3个甚至更多个。需要说明的是，主天线单元111包括的至少两个天线的工作状态一致，即当主天线单元111处于工作状态时，主天线单元111包括的至少两个天线均处于工作状态，当主天线单元111未处于工作状态时，主天线单元111包括的至少两个天线均不处于工作状态；同理，当副天线单元处于工作状态时，副天线单元包括的至少两个天线均处于工作状态，当副天线单元未处于工作状态时，副天线单元包括的至少两个天线均不处于工作状态。
如图2所示，主天线单元111包括两个天线，分别是第一天线1111和第二天线1112，副天线单元包括两个天线，分别是第三天线1121和第四天线1122；其中，
第一天线1111和第二天线1112均设置在第一侧边210；第三天线1121设置在第二侧边220，第四天线1122设置在第四侧边240。第一天线1111和第二天线1112的工作状态一致，第三天线1121和第四天线1122的工作状态一致。
需要说明的是，图2所示的多个天线的设置位置仅是举例说明，并不对天线的设置位置进行限制，天线的设置位置可以根据实际情况选择。
第一天线1111、第二天线1112、第三天线1121以及第四天线1122可以是2.4GHz+5GHz双频天线或2.4GHz单频天线，也可以是2.4GHz+5GHz+GPS天线或2.4G+5G+LTE中高频天线，天线的具体类型根据天线设计环境而定，本实施例不作限制。
WiFi模块120，用于处理WiFi信号。由于多入多出技术(Multiple-Input Multiple-Output，MIMO)指在发射端和接收端分别使用多个发射天线和接收天线，使信号通过发射端与接收端的多个天线传送和接收，因此，WiFi模块120支持MIMO技术，可以是支持MIMO的WIFI芯片，WiFi芯片分别与多个天线连接，以形成多个收发链路，以通过多个天线同时发射和接收天线信号，可以提高WiFi信号传输速度，进而可以提高用户体验。
开关模块130，分别与WiFi模块120、天线模块连接，用于导通主天线单元111所在的收发链路，或，导通副天线单元所在的收发链路，收发链路为主天线单元111与WiFi模块120的连接通路，或，副天线单元与WiFi模块120的连接通路。具体地，开关模块130的一端与WiFi模块120连接，开关模块130的另一端分别与天线模块的多个天线连接，通过开关模块130导通或断开每一天线所在的收发链路。
需要说明的是，当开关模块130导通主天线单元111所在的收发链路时，即导通主天线单元111中每一天线所在的收发链路；当开关模块130导通副天线单元所在的收发链路时，即导通副天线单元中每一天线所在的收发链路。例如，主天线单元111包括第一天线1111和第二天线1112，副天线单元包括第三天线1121和第四天线1122。当开关模块130导通主天线单元111所在的收发链路时，第一天线1111和第二天线1112所在的链路同时导通，以使第一天线1111和第二天线1112同时收发WiFi信号；当开关模块130导通副天线单元所在的收发链路时，第三天线1121和第四天线1122所在的链路同时导通，以使第三天线1121和第四天线1122同时收发WiFi信号。
在一实施例中，开关模块130包括双刀四掷开关，双刀四掷开关的不动端与WiFi模块连接，双刀四掷开关的动端分别与第一天线1111、第二天线1112、第三天线1121以及第四天线1122连接，双刀四掷开关用于导通WiFi模块120与天线模块之间的收发链路。
可以理解的是，开关模块130可以是其他类型的能够实现在主天线单元111和副天线单元之间的切换的开关。
检测模块140，用于检测天线模块的遮挡状态。
控制模块150，分别与开关模块130、检测模块140连接，用于根据天线模块的遮挡状态控制开关模块130导通主天线单元111所在的收发链路收发WiFi信号，或，控制开关模块130导通副天线单元所在的收发链路收发WiFi信号。
具体地，控制模块150的一端与检测模块140连接，控制模块150的另一端与开关模块130连接，根据检测模块140检测的天线遮挡状态控制开关模块130的工作模式。开关模块130的工作模式有两种，其中第一种工作模式是导通主天线单元111所在的收发链路收发WiFi信号，第二种工作模式是导通副天线单元所在的收发链路收发WiFi信号。
在一实施例中，检测模块140可以用于检测电子设备的姿态信息，根据姿态信息判断当前处于工作状态的天线是否处于遮挡状态。例如检测模块140可以包括陀螺仪，用于检测电子设备的姿态信息，姿态信息可以为电子设备的放置状态，例如横向放置和竖向放置，电子设备的放置状态对应天线单元的遮挡状态。本实施例中，电子设备竖向放置时，如图1所示，可以判定此时电子设备的第二侧边220和第四侧边240被遮挡，开关模块130工作在第一种工作模式，导通主天线单元111所在的收发链路；在检测到移动终端被横向放置时，可以判定此时电子设备的第一侧边210和第三侧边230被遮挡，开关模块130切换到第二种工作模式，导通副天线单元所在的收发链路。
在一实施例中，可以在电子设备的任一侧边设置感测器(Sensor pad 141)和与Sensor pad 141连接的SAR传感器(SAR sensor)。Sensor pad 141是用来感应电容变化的一个金属片，可以是FPC或LDS，SAR sensor为一电容感应器，用于侦测人体靠近时的电容变化，从而根据电容变化控制开关的工作模式。具体地，电容感应器是根据电容量与极板距离成反比的原理，将一定面积的探头作为电容器的一极板，被检测物体(视作为接地)作为电容器的另一极板，当物体接近时，电容量就会逐步增大，离去时电容量减小。在电路实现中，可以把这个探测电容器作为振荡回路的谐振电容，当电容变化(物体接近或者远离时)，振荡回路的振荡频率就会发生变化，只要检测这个振荡频率，就可以判断物体的距离。如图2所示，在电子设备的第三侧边230设置Sensor pad 141，用来感应电容变化，并将电容变化信息发送至SAR sensor，当SAR sensor感测到第三侧边230的电容增大时，判定第三侧边230被手握，控制模块150控制开关模块130工作在第一种工作模式，导通位于第一侧边210的主天线单元111处于工作状态，从而可以避免由于手握天线影响天线性能的问题，保障MIMO天线的传输速率，提升用户体验。
在一实施例中，检测模块140可以通过检测当前处于工作状态的天线所在位置的光感值来检测天线模块的遮挡状态。例如，检测模块140的一端可以与摄像头或环境光传感器连接，检测模块140的另一端与控制模块连接，摄像头或环境光传感器所在位置为当前处于工作状态的天线所在的位置。当获取到的光感值小于预设光感阈值时，判定当前处于工作状态的天线处于遮挡状态。
如图2所示，主天线单元111包括的第一天线1111和第二天线1112均设置在第一侧边210，第三天线1121设置在第二侧边220，第四天线1122设置在第四侧边240。本实施例中默认初始主天线单元111处于工作状态，即开关模块130此时导通主天线单元111所在的收发链路。第一侧边210还设置有前摄像头和/或环境光传感器，通过检测前摄像头和/或光传感器是否被遮挡来判定第一天线1111单元和第二天线1112单元是否被遮挡。
当检测模块140检测位于第一侧边210的第一天线1111单元和第二天线1112单元被遮挡时，控制模块控制开关模块130切换收发链路，即开关模块130导通副天线单元所在的收发链路，使位于第二侧边220的第三天线1121以及位于第四侧边240的第四天线1122同时收发WiFi信号，从而可以避免由于手握天线影响天线性能的问题，保障MIMO天线的传输速率，提升用户体验。
在一实施例中，检测模块140可以与预置天线连接，用于检测预置天线的阻抗值。当阻抗值小于预设阻抗阈值时，判定预置天线所在的侧边和与侧边相对的侧边上的天线均处于遮 挡状态。预置天线可以是WiFi天线或LTE天线144等其他类型的天线，预置天线可以设置在电子设备的任一侧边。
在一实施例中，如图3和图4所示，在电子设备的第三侧边230设置有LTE天线144，也可以是其他天线，本实施例以LTE天线144为例进行说明，检测模块140与LTE天线144连接，用于检测LTE天线144的阻抗值。具体地，检测模块140可以为阻抗调谐芯片，当阻抗调谐芯片检测到LTE天线144的阻抗值小于预设阻抗阈值时，判定第三侧边230处于遮挡状态，第三侧边230和与第三侧边230相对的第一侧边210上的天线均处于遮挡状态。控制模块150控制开关模块130导通位于第二侧边220和第四侧边240的副天线单元处于工作状态。
在一实施例中，当陀螺仪(图中未示出)检测到电子设备转向时，检测模块140可以进一步检测当前处于工作状态的天线所在侧边或相对的侧边是否被手握，当该侧边被手握时，检测该侧边和/或相对侧边的光感值，当光感值小于预设光感阈值时，判定当前处于工作状态的天线的遮挡状态，控制模块150控制开关模块130切换收发链路。
具体地，如图3和图4所示，当陀螺仪检测到电子设备转向时，检测模块140通过Sensor pad 141和SAR sensor 142检测第三侧边230是否被手握，当检测到第三侧边230被手握时，进一步通过第一侧边210的光感应器(图中未示出)检测第一侧边210的天线是否被遮挡，或，通过阻抗调谐器145检测设置在第一侧边210的预置天线的阻抗值，若检测第一侧边210的天线被遮挡，则控制模块150控制开关模块130导通位于第二侧边220和第四侧边240的副天线单元所在的收发链路。本实施例通过设置多个切换条件，可以避免误判，提高切换的准确性。
本实施例提供的多输入多输出天线系统100，通过检测天线模块的工作状态来切换主天线单元111和副天线单元的工作状态，可以避免由于手握天线影响天线性能的问题，保障MIMO天线的传输速率，提升用户体验。
图5为另一实施例中多输入多输出天线系统100的结构示意图，如图5所示，天线系统100还包括GPS芯片145和天线共用器146，GPS芯片145用于收发GPS信号，GPS芯片145和WiFi模块120通过合路器146连接至天线模块。
合路器146可以使多部发射机(或多部接收机)共用一发射天线(或接收天线)的装置。若有天线复用，合路器146可以将两路信号合成为一路再连接到天线上。本实施例中，合路器146将GPS信号与开关模块130的输出的其中一路WiFi信号合成为一路信号。可以理解的是，其他天线的复用原理类似，本实施例不再赘述。
图6为一实施例提供的天线控制方法的流程图之一，天线控制方法应用于电子设备，电子设备中配置有主天线单元111和副天线单元，主天线单元111和副天线单元均包括至少两个天线，且每一天线设置在电子设备的不同位置；天线模块用于接收和发送WiFi信号；如图6所示，天线控制方法包括步骤610和步骤620，其中，
步骤610：检测天线模块的遮挡状态；
步骤620：根据天线模块的遮挡状态控制开关模块130导通主天线单元111所在的收发链路收发WiFi信号，或，控制开关模块130导通副天线单元所在的收发链路收发WiFi信号。
本实施例提供的天线控制方法通过检测天线模块的遮挡状态来切换主天线单元111和副天线单元的工作状态，可以避免由于手握天线影响天线性能的问题，保障MIMO天线的传输速率，提升用户体验。
图7为一实施例提供的检测天线模块遮挡状态的流程图之二，检测天线模块的遮挡状态包括步骤710和步骤720，其中，
步骤710：通过预置在电子设备中的陀螺仪检测电子设备的姿态信息；
步骤720：根据姿态信息判断当前处于工作状态的天线单元是否处于遮挡状态。
姿态信息可以为电子设备的放置状态，例如横向放置和竖向放置，电子设备的放置状态对应天线单元的遮挡状态。本实施例中，电子设备竖向放置时，如图2所示，可以判定此时 电子设备的第二侧边220和第四侧边240被遮挡，开关模块130导通主天线单元111所在的收发链路；在检测到移动终端被横向放置时，可以判定此时电子设备的第一侧边210和第三侧边230被遮挡，开关模块130导通副天线单元所在的收发链路。
在一实施例中，可以在电子设备的任一侧边设置Sensor pad 141和与Sensor pad 141连接的SAR sensor。Sensor pad 141是用来感应电容变化的一个金属片，可以是FPC或LDS，SAR sensor为一电容感应器，用于侦测人体靠近时的电容变化，从而根据电容变化控制开关的工作模式。具体地，电容感应器是根据电容量与极板距离成反比的原理，将一定面积的探头作为电容器的一极板，被检测物体(视作为接地)作为电容器的另一极板，当物体接近时，电容量就会逐步增大，离去时电容量减小。在电路实现中，可以把这个探测电容器作为振荡回路的谐振电容，当电容变化(物体接近或者远离时)，振荡回路的振荡频率就会发生变化，只要检测这个振荡频率，就可以判断物体的距离。如图1所示，在电子设备的第三侧边230设置Sensor pad 141，用来感应电容变化，并将电容变化信息发送至SAR sensor，当SAR sensor感测到第三侧边230的电容增大时，判定第三侧边230被手握，从而控制开关模块130导通位于第一侧边210的主天线单元111处于工作状态，从而避免由于手握天线影响天线性能的问题，保障MIMO天线的传输速率，提升用户体验。
图8为一实施例提供的检测天线模块遮挡状态的流程图之三，如图8所示，检测天线模块的遮挡状态包括步骤810至步骤820，其中，
步骤810：通过预置在电子设备中的光感应器检测当前处于工作状态的天线单元所在位置的光感值；
步骤820：若光感值小于预设光感阈值，判定当前处于工作状态的天线单元处于遮挡状态。
如图2所示，主天线单元111包括的第一天线1111和第二天线1112均设置在第一侧边210，第三天线1121设置在第二侧边220，第四天线1122设置在第四侧边240。本实施例中默认主天线单元111处于工作状态，即开关模块130此时导通主天线单元111所在的收发链路。第一侧边210还设置有前摄像头和/光传感器，可以通过检测前摄像头和/光传感器是否被遮挡，来判定位于第一侧边210的第一天线1111单元和第二天线1112单元是否被遮挡。
当检测模块140检测位于第一侧边210的第一天线1111单元和第二天线1112单元被遮挡时，控制模块150控制开关模块130切换收发链路，即开关模块130导通副天线单元所在的收发链路，使位于第二侧边220的第三天线1121以及位于第四侧边240的第四天线1122同时收发WiFi信号，从而可以避免由于手握天线影响天线性能的问题，保障MIMO天线的传输速率，提升用户体验。
图9为一实施例提供的检测天线模块遮挡状态的流程图之四，如图9所示，检测天线模块的遮挡状态包括步骤910和步骤920，其中，
步骤910：通过预置在电子设备中的阻抗调谐器145检测预置天线的阻抗值；
步骤920：若阻抗值小于预设阻抗阈值时，则判定预置天线所在的侧边和与该侧边相对的侧边上的天线均处于遮挡状态。
预置天线可以是WiFi天线或LTE天线144等其他类型的天线，预置天线可以设置在电子设备的任一侧边。如图2所示，在电子设备的第三侧边230设置有LTE天线144，也可以是其他天线，本实施例以LTE天线144为例进行说明，检测模块140与LTE天线144连接，用于检测LTE天线144的阻抗值。具体地，检测模块140可以为阻抗调谐芯片，当阻抗调谐芯片检测到LTE天线144的阻抗值小于预设阻抗阈值时，判定第三侧边230的天线和第一侧边210的天线均处于遮挡状态，则控制模块150控制开关模块130导通第二侧边220和第四侧边240的天线单元处于工作状态。
图10为一实施例提供的检测天线模块遮挡状态的流程图之四，如图10所示，检测天线模块的遮挡状态包括步骤1010至步骤1030，其中，
步骤1010：通过陀螺仪检测电子设备是否转向；
步骤1020：若检测到电子设备转向，则通过光感应器检测当前处于工作状态的天线所在位置的光感值；
步骤1030：若光感值小于预设光感阈值时，则判定当前处于工作状态的天线处于遮挡状态，控制模块150控制开关模块130切换收发链路。
步骤1020和步骤1030对应实施例8中的步骤810和步骤820，本实施例不再赘述。
图11为一实施例提供的检测天线模块遮挡状态的流程图之五，如图11所示，检测天线模块的遮挡状态包括步骤1110至步骤1130，其中，
步骤1110：通过陀螺仪检测电子设备是否转向；
步骤1120：若检测到电子设备转向，则通过阻抗调谐器145检测预置天线的阻抗值；
步骤1130：若阻抗值小于预设阻抗阈值时，则判定预置天线所在的侧边和与侧边相对的侧边上的天线均处于遮挡状态。
步骤1120和步骤1130对应实施例9中的步骤910和步骤920，本实施例不再赘述。
本实施例通过设置多个切换条件，可以避免误判，提高切换的准确性。
应该理解的是，虽然图6至图11的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，这些步骤可以以其它的顺序执行。而且，图6至图11中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，这些子步骤或者阶段的执行顺序也不必然是依次进行，而是可以与其它步骤或者其它步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
本申请实施例还提供了一种电子设备，电子设备包括上述任一实施例中的多输入多输出天线系统，用于收发WiFi信号。
该电子设备可以为包括手机、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(Mobile Internet Device，MID)、可穿戴设备(例如智能手表、智能手环、计步器等)或其他可设置天线的通信模块。
本申请实施例还提供了一种电子设备，包括用于收发天线信号的天线系统、存储器及处理器，存储器中储存有计算机程序，计算机程序被处理器执行时，使得处理器执行上述的天线控制方法的步骤。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种多输入多输出天线系统，配置于电子设备，其特征在于，所述天线系统包括：
    天线模块，包括主天线单元和副天线单元，所述主天线单元和所述副天线单元均包括至少两个天线，且每一所述天线设置在所述电子设备的不同位置；所述天线模块用于接收和发送WiFi信号；
    WiFi模块，用于处理所述WiFi信号；
    开关模块，分别与所述WiFi模块、所述天线模块连接，用于导通或断开所述主天线单元或所述副天线单元所在的收发链路，所述收发链路为所述主天线单元与WiFi模块的连接通路，或，所述副天线单元与WiFi模块的连接通路；
    检测模块，用于检测所述天线模块的遮挡状态；
    控制模块，分别与所述开关模块、所述检测模块连接，用于根据所述天线模块的遮挡状态控制所述开关模块导通主天线单元所在的收发链路收发所述WiFi信号，或，控制所述开关模块导通所述副天线单元所在的收发链路收发所述WiFi信号。
  2. 根据权利要求1所述的系统，其特征在于，所述电子设备包括相背设置的第一侧边、第三侧边，以及相背设置的第二侧边和第四侧边，所述第二侧边分别与所述第一侧边、所述第三侧边连接，所述第四侧边分别与所述第一侧边、所述第三侧边连接；
    所述主天线单元设置在所述第一侧边或所述第三侧边；所述副天线单元设置在所述第二侧边和所述第四侧边。
  3. 根据权利要求2所述的系统，其特征在于，所述主天线单元包括第一天线和第二天线，所述副天线单元包括第三天线和第四天线；其中，
    所述第一天线和所述第二天线均设置在所述第一侧边；
    所述第三天线设置在所述第二侧边，所述第四天线设置在所述第四侧边。
  4. 根据权利要求1所述的系统，其特征在于，
    所述检测模块还用于检测所述电子设备的姿态信息；
    根据所述姿态信息判断当前处于工作状态的天线是否处于遮挡状态。
  5. 根据权利要求3或4所述的系统，其特征在于，
    所述检测模块用于检测当前处于工作状态的天线所在位置的光感值；
    当所述光感值小于预设光感阈值时，判定当前处于工作状态的天线处于遮挡状态，所述控制模块控制所述开关模块切换收发链路。
  6. 根据权利要求3或4所述的系统，其特征在于，
    所述检测模块用于检测预置天线的阻抗值；
    当所述阻抗值小于预设阻抗阈值时，判定所述预置天线所在的侧边和与所述侧边相对的侧边上的天线均处于遮挡状态，所述控制模块控制所述开关模块切换收发链路。
  7. 根据权利要求1所述的系统，其特征在于，还包括GPS芯片和合路器，所述GPS芯片用于收发GPS信号，所述GPS芯片和所述WiFi模块通过所述合路器连接至所述天线模块。
  8. 根据权利要求3所述的系统，其特征在于，所述开关模块包括双刀四掷开关，所述双刀四掷开关的不动端与所述WiFi模块连接，所述双刀四掷开关的动端分别与所述第一天线、所述第二天线、所述第三天线以及所述第四天线连接，所述双刀四掷开关用于导通所述WiFi模块与所述天线模块之间的收发链路。
  9. 一种多输入多输出天线控制方法，应用于电子设备，其特征在于，所述电子设备中配置有开关模块和天线模块，所述天线模块包括主天线单元和副天线单元，所述主天线单元和所述副天线单元均包括至少两个天线，且每一所述天线设置在所述电子设备的不同位置；所述天线模块用于接收和发送WiFi信号；所述方法包括：
    检测所述天线模块的遮挡状态；
    根据所述天线模块的遮挡状态控制所述开关模块导通所述主天线单元所在的收发链路收发所述WiFi信号，或，控制所述开关模块导通所述副天线单元所在的收发链路收发所述WiFi信号。
  10. 根据权利要求9所述的方法，其特征在于，所述检测所述天线模块的遮挡状态，包括：
    通过预置在所述电子设备中的陀螺仪检测所述电子设备的姿态信息，根据所述姿态信息判断当前处于工作状态的天线单元是否处于遮挡状态；或，
    通过预置在所述电子设备中的光感应器检测当前处于工作状态的天线单元所在的位置光感值，当所述光感值小于预设光感阈值时，判定当前处于工作状态的天线单元处于遮挡状态；或，
    通过预置在所述电子设备中的阻抗调谐器检测预置天线的阻抗值；当所述阻抗值小于预设阻抗阈值时，判定所述预置天线所在的侧边和与所述侧边相对的侧边上的天线均处于遮挡状态。
  11. 一种电子设备，其特征在于，包括天线系统，用于收发WiFi信号；
    所述天线系统包括：
    天线模块，包括主天线单元和副天线单元，所述主天线单元和所述副天线单元均包括至少两个天线，且每一所述天线设置在所述电子设备的不同位置；所述天线模块用于接收和发送WiFi信号；
    WiFi模块，用于处理所述WiFi信号；
    开关模块，分别与所述WiFi模块、所述天线模块连接，用于导通或断开所述主天线单元或所述副天线单元所在的收发链路，所述收发链路为所述主天线单元与WiFi模块的连接通路，或，所述副天线单元与WiFi模块的连接通路；
    检测模块，用于检测所述天线模块的遮挡状态；
    控制模块，分别与所述开关模块、所述检测模块连接，用于根据所述天线模块的遮挡状态控制所述开关模块导通主天线单元所在的收发链路收发所述WiFi信号，或，控制所述开关模块导通所述副天线单元所在的收发链路收发所述WiFi信号。
  12. 根据权利要求11所述的电子设备，其特征在于，所述电子设备包括相背设置的第一侧边、第三侧边，以及相背设置的第二侧边和第四侧边，所述第二侧边分别与所述第一侧边、所述第三侧边连接，所述第四侧边分别与所述第一侧边、所述第三侧边连接；
    所述主天线单元设置在所述第一侧边或所述第三侧边；所述副天线单元设置在所述第二侧边和所述第四侧边。
  13. 根据权利要求12所述的电子设备，其特征在于，所述主天线单元包括第一天线和第二天线，所述副天线单元包括第三天线和第四天线；其中，
    所述第一天线和所述第二天线均设置在所述第一侧边；
    所述第三天线设置在所述第二侧边，所述第四天线设置在所述第四侧边。
  14. 根据权利要求11所述的电子设备，其特征在于，所述检测模块还用于检测所述电子设备的姿态信息；
    根据所述姿态信息判断当前处于工作状态的天线是否处于遮挡状态。
  15. 根据权利要求13或14所述的电子设备，其特征在于，所述检测模块用于检测当前处于工作状态的天线所在位置的光感值；
    当所述光感值小于预设光感阈值时，判定当前处于工作状态的天线处于遮挡状态，所述控制模块控制所述开关模块切换收发链路。
  16. 根据权利要求13或14所述的电子设备，其特征在于，所述检测模块用于检测预置天线的阻抗值；
    当所述阻抗值小于预设阻抗阈值时，判定所述预置天线所在的侧边和与所述侧边相对的侧边上的天线均处于遮挡状态，所述控制模块控制所述开关模块切换收发链路。
  17. 根据权利要求11所述的电子设备，其特征在于，还包括GPS芯片和合路器，所述GPS芯片用于收发GPS信号，所述GPS芯片和所述WiFi模块通过所述合路器连接至所述天线模块。
  18. 根据权利要求13所述的电子设备，其特征在于，所述开关模块包括双刀四掷开关，所述双刀四掷开关的不动端与所述WiFi模块连接，所述双刀四掷开关的动端分别与所述第一天线、所述第二天线、所述第三天线以及所述第四天线连接，所述双刀四掷开关用于导通所述WiFi模块与所述天线模块之间的收发链路。
  19. 一种电子设备，其特征在于，包括用于收发天线信号的天线系统、存储器及处理器，所述天线系统中配置有开关模块和天线模块，所述天线模块包括主天线单元和副天线单元，所述主天线单元和所述副天线单元均包括至少两个天线，且每一所述天线设置在所述电子设备的不同位置；所述天线模块用于接收和发送WiFi信号；所述存储器中储存有计算机程序，所述计算机程序被所述处理器执行时，使得所述处理器执行以下步骤：
    检测所述天线模块的遮挡状态；
    根据所述天线模块的遮挡状态控制所述开关模块导通所述主天线单元所在的收发链路收发所述WiFi信号，或，控制所述开关模块导通所述副天线单元所在的收发链路收发所述WiFi信号。
  20. 根据权利要求19所述的电子设备，其特征在于，所述处理器运行所述计算机程序实现所述“检测所述天线模块的遮挡状态”时，所述处理器执行以下步骤：
    通过预置在所述电子设备中的陀螺仪检测所述电子设备的姿态信息，根据所述姿态信息判断当前处于工作状态的天线单元是否处于遮挡状态；或，
    通过预置在所述电子设备中的光感应器检测当前处于工作状态的天线单元所在的位置光感值，当所述光感值小于预设光感阈值时，判定当前处于工作状态的天线单元处于遮挡状态；或，
    通过预置在所述电子设备中的阻抗调谐器检测预置天线的阻抗值；当所述阻抗值小于预设阻抗阈值时，判定所述预置天线所在的侧边和与所述侧边相对的侧边上的天线均处于遮挡状态。
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CN107611579A (zh) * 2017-08-16 2018-01-19 维沃移动通信有限公司 一种天线系统及移动终端
CN110445517A (zh) * 2019-06-17 2019-11-12 深圳市万普拉斯科技有限公司 多输入多输出天线系统、天线控制方法和电子设备

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CN115348662A (zh) * 2021-05-14 2022-11-15 北京小米移动软件有限公司 定位方法、装置及终端、电子设备、存储介质
WO2023216996A1 (zh) * 2022-05-07 2023-11-16 维沃移动通信有限公司 电子设备

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