WO2019228115A1 - 天线切换方法、装置及电子设备和计算机可读存储介质 - Google Patents

天线切换方法、装置及电子设备和计算机可读存储介质 Download PDF

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Publication number
WO2019228115A1
WO2019228115A1 PCT/CN2019/084842 CN2019084842W WO2019228115A1 WO 2019228115 A1 WO2019228115 A1 WO 2019228115A1 CN 2019084842 W CN2019084842 W CN 2019084842W WO 2019228115 A1 WO2019228115 A1 WO 2019228115A1
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WO
WIPO (PCT)
Prior art keywords
antenna
signal quality
electromagnetic wave
wave absorption
absorption ratio
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PCT/CN2019/084842
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English (en)
French (fr)
Inventor
范景云
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中兴通讯股份有限公司
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Publication of WO2019228115A1 publication Critical patent/WO2019228115A1/zh

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    • 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
    • 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
    • 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
    • H04B7/06—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
    • H04B7/0608—Antenna selection according to transmission parameters
    • 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
    • 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
    • H04B7/0805—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 with single receiver and antenna switching

Definitions

  • the present disclosure relates to, but is not limited to, the field of communication technologies.
  • an antenna switching method comprising: acquiring a signal quality and an electromagnetic wave absorption ratio of a first antenna and a signal quality and an electromagnetic wave absorption ratio of a second antenna; Comparing the signal quality of the second antenna with a preset signal quality threshold; and when the signal quality of the first antenna and the signal quality of the second antenna are both greater than or equal to the preset signal quality threshold, An antenna having a smaller electromagnetic wave absorption ratio is selected as the working antenna from the first antenna and the second antenna.
  • an antenna switching device including: an acquisition module configured to acquire a signal quality and an electromagnetic wave absorption ratio of a first antenna and a signal quality and an electromagnetic wave absorption ratio of a second antenna; a comparison module, being Configured to compare the signal quality of the first antenna and the signal quality of the second antenna with a preset signal quality threshold respectively; and a switching module, when the signal quality of the first antenna is When the signal quality is both greater than or equal to the preset signal quality threshold, the switching module selects an antenna with a smaller electromagnetic wave absorption ratio as the working antenna from the first antenna and the second antenna.
  • an electronic device including a memory and a processor, wherein the computer program is stored in the memory, and when the computer program is executed by the processor, the processor executes Disclosed antenna switching method.
  • a computer-readable storage medium having stored thereon a computer program, and when the computer program is executed by a processor, the processor executes the antenna switching method according to the present disclosure.
  • FIG. 1 is a flowchart of an antenna switching method according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of step S10 in FIG. 1;
  • FIG. 3 is a schematic circuit function diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic block diagram of an antenna switching device according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic block diagram of the acquisition module in FIG. 4 according to an embodiment of the present disclosure.
  • the antenna switching technology can be used to make the terminal always work on the antenna with the best performance.
  • the terminal has two or more main antennas, detects the received signal level of two antennas and calculates the signal difference.
  • the switching threshold is to switch the terminal to an antenna with better received signal quality. Repeating the above process can make the terminal always work on the antenna with better signal quality.
  • SAR refers to the thermal energy generated by electromagnetic waves in mobile phone products, which will affect the human body.
  • the unit is W / Kg.
  • FCC Federal Communications Commission
  • SAR indicates how much the thermal energy of a mobile phone will affect the human body. A larger value indicates a greater impact on the human body. There is no solution on how to balance the two indicators of signal quality and SAR value.
  • FIG. 1 is a flowchart of an antenna switching method according to an embodiment of the present disclosure.
  • an antenna switching method according to an embodiment of the present disclosure is described by taking a terminal having two antennas as an example, but the above number of antennas is merely an example, and is not intended to limit the present disclosure.
  • the terminal may further include three or more antennas .
  • an antenna switching method includes steps S10 to S40.
  • step S10 the signal quality and electromagnetic wave absorption ratio (SAR) value of the first antenna and the signal quality and SAR value of the second antenna are obtained.
  • SAR electromagnetic wave absorption ratio
  • the level of the received signal of the antenna or the signal-to-noise ratio can be obtained as a value reflecting the signal quality of the antenna, but the present disclosure is not limited to this, and other indicators that can reflect the signal quality of the antenna can also be applied.
  • the sensor of the antenna when an external object approaches the antenna, the sensor of the antenna may cause changes such as capacitance according to the proximity of the object, and the control unit of the terminal may convert the capacitance change of the sensor in the antenna into a voltage of an analog signal. , And control the analog-to-electrical converter to convert the voltage of the analog signal into the voltage of the digital signal.
  • the terminal can calculate the power of the antenna according to the voltage of the digital signal, and determine the SAR value of the antenna according to the power of the antenna.
  • step S20 the signal quality of the first antenna and the signal quality of the second antenna are compared with a preset signal quality threshold, respectively.
  • step S30 when the signal quality of the first antenna and the signal quality of the second antenna are both greater than or equal to a preset signal quality threshold, an antenna with a lower SAR value is selected from the first antenna and the second antenna as the working antenna.
  • step S40 when at least one of the signal quality of the first antenna and the signal quality of the second antenna is less than a preset signal quality threshold, an antenna with a larger signal quality is selected from the first antenna and the second antenna as a working antenna.
  • the terminal selects the first antenna as the working antenna, or when the signal quality of the first antenna is When the signal quality of the second antenna is less than the preset signal quality threshold and the signal quality of the second antenna is greater than or equal to the preset signal quality threshold, the terminal selects the second antenna as the working antenna, or when both the signal quality of the first antenna and the signal quality of the second antenna are less than When the signal quality threshold is preset, the terminal selects an antenna with a larger signal quality among the first antenna and the second antenna as the working antenna.
  • the antenna switching method of this embodiment when the terminal works normally in the network service area, it is assumed that the first antenna is used as the working antenna and the second antenna is used as the non-working antenna.
  • the signal quality and SAR value of the two antennas need to be re-detected.
  • the antenna with the smaller SAR value is selected as the working antenna. For example, if the SAR value of the first antenna is small, the first antenna is kept as the working antenna. If the SAR value of the second antenna is small, the working antenna is switched from the first antenna to the second antenna.
  • the first antenna When the signal quality of the first antenna is greater than or equal to a preset signal quality threshold and the signal quality of the second antenna is less than the preset signal quality threshold, the first antenna is kept as a working antenna, and when the signal quality of the first antenna is less than the preset signal quality Threshold, when the signal quality of the second antenna is greater than or equal to a preset signal quality threshold, the working antenna is switched from the first antenna to the second antenna.
  • the signal quality of the first antenna and the second antenna are both less than a preset signal quality threshold, if the signal quality of the first antenna is greater than or equal to the signal quality of the second antenna, the first antenna is kept as a working antenna. If the signal quality is lower than the second antenna, the working antenna is switched from the first antenna to the second antenna.
  • the two indicators of the received signal quality and SAR of each antenna are comprehensively considered.
  • an antenna with a small SAR value is selected as the working antenna, so that Ensure the user's health and safety, avoid harm to the human body, and improve the quality of the received signal of the terminal, so that the user has a better experience, so that the terminal can ensure the ability to stop the network under weak signal quality to have higher transmission Speed to support more services.
  • FIG. 2 is a flowchart of step S10 in FIG. 1.
  • step S10 may include steps S11 to S14.
  • step S11 the received signal level of the first antenna is detected as the signal quality of the first antenna.
  • step S12 the voltage of the first antenna is determined by the first sensor of the first antenna, the power of the first antenna is calculated according to the voltage of the first antenna, and the electromagnetic wave absorption ratio of the first antenna is determined according to the power of the first antenna.
  • step S13 the received signal level of the second antenna is detected as the signal quality of the second antenna.
  • step S14 the voltage of the second antenna is determined by the second sensor of the second antenna, the power of the second antenna is calculated according to the voltage of the second antenna, and the electromagnetic wave absorption ratio of the second antenna is determined according to the power of the second antenna.
  • the number of antennas may also be three or more.
  • the above method may be used to first determine the signal quality and SAR value between the first antenna and the second antenna, and select a candidate working antenna. Then, the candidate working antenna is compared with, for example, the third antenna by using the above method to obtain the antenna with the best performance as the working antenna.
  • FIG. 3 is a circuit function diagram of a terminal according to an embodiment of the present disclosure.
  • the terminal includes a first antenna (antenna 1 shown in the figure), a second antenna (antenna 2 shown in the figure), a switch, a terminal processor chip, and a first control unit.
  • the first control unit and the second control unit may include an ADC conversion unit and a self-calibration and control unit, respectively.
  • the first sensor of the first antenna and the second sensor of the second antenna may have capacitive or other characteristics. Taking the sensor's capacitive characteristics as an example, when other objects around the antenna are close to the antenna, or the surrounding environment changes, the capacitance of the sensor changes.
  • the control unit converts the input capacitance value into a voltage, and calculates the power of the antenna through the terminal processor chip. Within a certain range, the different power values of the antennas and the corresponding SAR values can correspond to each set of capacitance values of the sensors, so the SAR value of each antenna can be obtained.
  • a switching switch is provided between the first antenna and the second antenna and the terminal circuit to control the on-off between the first antenna and the second antenna and the terminal circuit.
  • FIG. 4 is a schematic block diagram of an antenna switching apparatus according to an embodiment of the present disclosure.
  • an antenna switching method according to an embodiment of the present disclosure is described by taking a terminal having two antennas as an example, but the above number of antennas is merely an example, and is not intended to limit the present disclosure.
  • the terminal may further include three or more antennas .
  • the antenna switching device includes an acquisition module 10, a comparison module 20, and a switching module 30.
  • the acquisition module 10 may acquire the signal quality and SAR value of the first antenna and the signal quality and SAR value of the second antenna.
  • the detection and comparison module 20 may compare the signal quality of the first antenna and the signal quality of the second antenna with a preset signal quality threshold, respectively.
  • the switching module 30 switches the working antenna according to a comparison between the signal quality of the first antenna and the signal quality of the second antenna and a preset signal quality threshold. Specifically, when the signal quality of the first antenna and the signal quality of the second antenna are both greater than or equal to a preset signal quality threshold, an antenna with a lower SAR value is selected as the working antenna from the first antenna and the second antenna, and When at least one of the signal quality of the first antenna and the signal quality of the second antenna is less than a preset signal quality threshold, an antenna with a larger signal quality is selected from the first antenna and the second antenna as a working antenna.
  • the antenna switching device of this embodiment when the terminal works normally in a network service area, it is assumed that the first antenna is a working antenna and the second antenna is a non-working antenna.
  • the signal quality and SAR value of the two antennas need to be re-detected.
  • the antenna with the smaller SAR value is selected as the working antenna. For example, if the SAR value of the first antenna is small, the first antenna is kept as the working antenna. If the SAR value of the second antenna is small, the working antenna is switched from the first antenna to the second antenna.
  • the first antenna When the signal quality of the first antenna is greater than or equal to a preset signal quality threshold and the signal quality of the second antenna is less than the preset signal quality threshold, the first antenna is kept as a working antenna, and when the signal quality of the first antenna is less than the preset signal quality Threshold, when the signal quality of the second antenna is greater than or equal to a preset signal quality threshold, the working antenna is switched from the first antenna to the second antenna.
  • the signal quality of the first antenna and the second antenna are both less than a preset signal quality threshold, if the signal quality of the first antenna is greater than or equal to the signal quality of the second antenna, the first antenna is kept as a working antenna. If the signal quality is lower than the second antenna, the working antenna is switched from the first antenna to the second antenna.
  • the antenna switching device may further include a switching switch (see the switch shown in FIG. 3), and the switching switch may control the on and off of the first antenna and the second antenna according to the operation of the switching module 30.
  • the switching switch can control the disconnection from the first antenna and connect the connection with the second antenna.
  • the switch can be controlled to disconnect from the second antenna and connect to the first antenna.
  • the two indicators of the received signal quality and SAR of each antenna are comprehensively considered.
  • an antenna with a small SAR value is selected as the working antenna, so that Ensure the user's health and safety, avoid harm to the human body, and improve the quality of the received signal of the terminal, so that the user has a better experience, so that the terminal can ensure the ability to stop the network under weak signal quality to have higher transmission Speed to support more services.
  • FIG. 5 is a schematic block diagram of the acquisition module in FIG. 4 according to an embodiment of the present disclosure.
  • the acquisition module may include a first signal quality acquisition unit 11, a first SAR value acquisition unit 12, a second signal quality acquisition unit 13, and a second SAR value acquisition unit 14.
  • the first signal quality acquisition unit 11 and the second signal quality acquisition unit 13 may acquire a level or a signal-to-noise ratio of a received signal of the antenna as a value that reflects the signal quality of the antenna, but the present disclosure is not limited thereto, and other applications that can reflect An indicator of the signal quality of the antenna.
  • the first SAR value acquisition unit 12 and the second SAR value acquisition unit 14 may acquire the SAR values of the first antenna and the second antenna, respectively.
  • the sensor of the antenna may cause changes such as capacitance according to the proximity of the object, and the control unit of the terminal may convert the capacitance change of the sensor in the antenna into a voltage of an analog signal. And control the analog-to-electrical converter to convert the voltage of the analog signal into the voltage of the digital signal.
  • the terminal can calculate the power of the antenna based on the voltage of the digital signal.
  • the first SAR value obtaining unit 12 and the second SAR value obtaining unit 14 can The power determines the SNR value of the antenna.
  • the terminal including two antennas is only an example, and the terminal may also include three or more antennas.
  • the acquisition module 30 may further include a third signal quality acquisition unit and a third SAR value acquisition unit.
  • An electronic device includes a memory, a processor, and at least one application program stored in the memory and configured to be executed by the processor, the application program being configured to execute The antenna switching method of the disclosed embodiment.
  • a computer-readable storage medium stores a computer program that, when executed by a processor, implements an antenna switching method according to an embodiment of the present disclosure.
  • the antenna switching method according to the embodiment of the present disclosure may be implemented by software, hardware, or a combination thereof, where the software may be stored in a storage medium (for example, ROM / RAM , Magnetic disk, optical disc), and includes instructions for causing a terminal device (for example, a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the antenna switching method according to an embodiment of the present disclosure.
  • a storage medium for example, ROM / RAM , Magnetic disk, optical disc
  • a terminal device for example, a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

Abstract

本公开提供了一种天线切换方法、装置、电子设备和计算机可读存储介质。所述天线切换方法包括：获取第一天线和第二天线的信号质量和电磁波吸收比值；将第一天线的信号质量和第二天线的信号质量分别与预设信号质量阈值进行比较；当第一天线的信号质量与第二天线的信号质量皆大于或等于预设信号质量阈值时，从第一天线和第二天线中选择电磁波吸收比值较小的天线作为工作天线。

Description

天线切换方法、装置及电子设备和计算机可读存储介质 技术领域
本公开涉及(但不限于)通信技术领域。
背景技术
随着通信业的发展，移动终端需要支持的制式覆盖2G、3G、4G，在4G时代，终端的天线需要支持更多以及带宽更宽的频段，并且载波聚合(CA)、多输入多输出(MIMO)等业务需求也对天线提出了更高的要求。同时，终端的外观也越来越重要，满足用户审美更高要求的金属外壳也已经普及，但天线指标会受金属外壳的影响而恶化，导致工作性能降低。另一个方面，人们对健康状况越来越关注，总是希望电子产品在保证正常使用的前提下，对我们的身体健康和安全产生最小的影响。
发明内容
根据本公开的一个方面，提供一种天线切换方法，包括：获取第一天线的信号质量和电磁波吸收比值以及第二天线的信号质量和电磁波吸收比值；将所述第一天线的信号质量和所述第二天线的信号质量分别与预设信号质量阈值进行比较；以及当所述第一天线的信号质量与所述第二天线的信号质量皆大于或等于所述预设信号质量阈值时，从所述第一天线和所述第二天线中选择电磁波吸收比值较小的天线作为工作天线。
根据本公开的另一个方面，提供一种天线切换装置，包括：获取模块，被配置为获取第一天线的信号质量和电磁波吸收比值以及第二天线的信号质量和电磁波吸收比值；比较模块，被配置为将所述第一天线的信号质量和所述第二天线的信号质量分别与预设信号质量阈值进行比较；以及切换模块，当所述第一天线的信号质量与所述第二天线的信号质量皆大于或等于所述预设信号质量阈值时，所述切换模块从所述第一天线和所述第二天线中选择电磁波吸收比值较小的 天线作为工作天线。
根据本公开的再一个方面，提供一种电子设备，包括存储器和处理器，所述存储器中存储有计算机程序，其中，所述计算机程序被所述处理器执行时，所述处理器执行根据本公开的天线切换方法。
根据本公开的再一个方面，提供一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时，所述处理器执行根据本公开的天线切换方法。
附图说明
图1为根据本公开的实施例的天线切换方法的流程图；
图2为图1中步骤S10的流程图；
图3为根据本公开的实施例的终端的电路功能示意图；
图4为根据本公开的实施例的天线切换装置的示意性框图；以及
图5为根据本公开的实施例的图4中的获取模块的示意性框图。
具体实施方式
为了使本公开所要解决的技术问题、技术方案及有益效果更加清楚、明白，以下结合附图和实施例对本公开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用以解释本公开，并不用于限定本公开。
利用天线切换技术能够使得终端总是工作在性能最好的天线上，例如，终端具有两个或者多个主天线，检测其中两个天线的接收信号电平并计算信号差值，根据事先预设的切换门限，将终端切换到接收信号质量更好的天线，重复上述过程可以使终端始终工作在信号质量较好的天线上。
以上方法存在的问题是，天线切换后工作在性能更好的天线上，但同时可能会带来电磁波吸收比值(Specific Absorption Rate，SAR)值增大的问题。SAR是指手机产品中电磁波所产生的热能，它会对人体产生影响，单位是W/Kg。目前美国联邦传播委员会(FCC)公布的 移动电话的安全标准值为1.6，因此将移动电话的SAR值控制在1.6以下，都是在安全标准以内的。SAR表示移动电话的热能会对人体造成了多少影响，数值越大，表示对人体的影响越大。如何在信号质量与SAR值两个指标之间进行平衡，目前并没有解决方案。
图1为根据本公开的实施例的天线切换方法的流程图。为了便于描述，以终端具有两个天线为示例描述根据本公开的实施例的天线切换方法，但以上天线数量仅是示例，而不意图限制本公开，终端还可以包括三个或更多个天线。
如图1所示，根据本公开实施例的天线切换方法包括步骤S10至S40。
在步骤S10，获取第一天线的信号质量和电磁波吸收比(SAR)值以及第二天线的信号质量和SAR值。
根据本公开的实施例，可以获取天线的接收信号的电平或信噪比作为体现天线的信号质量的值，但本公开不限于此，还可应用其他能够体现天线的信号质量的指标。
根据本公开的实施例，当外界物体靠近天线时，天线的传感器可以根据物体的接近程度相应地引起例如电容等变化，终端的控制单元可以将天线中的传感器的电容变化转换为模拟信号的电压，并控制模电转换器将模拟信号的电压转换为数字信号的电压，终端可以根据数字信号的电压计算天线的功率，并根据天线的功率确定天线的SAR值。
在步骤S20，将第一天线的信号质量和第二天线的信号质量分别与预设信号质量阈值进行比较。
在步骤S30，当第一天线的信号质量与第二天线的信号质量皆大于或等于预设信号质量阈值时，从第一天线和第二天线中选择SAR值较小的天线作为工作天线。
在步骤S40，当第一天线的信号质量与第二天线的信号质量中至少有一个小于预设信号质量阈值时，从第一天线和第二天线中选择信号质量较大的天线作为工作天线。
例如，当第一天线的信号质量大于或等于预设信号质量阈值， 第二天线的信号质量小于预设信号质量阈值时，终端选择第一天线作为工作天线，或者，当第一天线的信号质量小于预设信号质量阈值，第二天线的信号质量大于或等于预设信号质量阈值时，终端选择第二天线作为工作天线，或者，当第一天线的信号质量和第二天线的信号质量皆小于预设信号质量阈值时，终端选择第一天线和第二天线中选择信号质量较大的天线作为工作天线。
根据本实施例的天线切换方法，当终端在网络服务区内正常工作时，假设以第一天线为工作天线，第二天线为非工作天线，当天线周围有其他物体靠近，或者周围环境有变化时，天线的性能发生变化，此时需要重新检测两个天线的信号质量和SAR值。当两个天线的信号质量皆大于或等于预设信号质量阈值时，选择SAR值较小的一个天线作为工作天线，例如，如果第一天线的SAR值较小，则保持第一天线为工作天线，若第二天线的SAR值较小，则将工作天线从第一天线切换为第二天线。当第一天线的信号质量大于或等于预设信号质量阈值，第二天线的信号质量小于预设信号质量阈值时，保持第一天线为工作天线，当第一天线的信号质量小于预设信号质量阈值，第二天线的信号质量大于或等于预设信号质量阈值时，将工作天线从第一天线切换为第二天线。当第一天线和第二天线的信号质量皆小于预设信号质量阈值时，如果第一天线的信号质量大于或等于第二天线的信号质量，则保持第一天线为工作天线，如果第一天线的信号质量小于第二天线，则将工作天线从第一天线切换为第二天线。
根据本公开的实施例，综合考量了每个天线的接收信号质量与SAR两个指标，在每个天线的接收信号质量均满足预设信号质量阈值时选择SAR值小的天线作为工作天线，从而确保用户的健康与安全，避免了对人体的伤害，同时提高了终端的接收信号质量，使得用户有更好的体验，使得终端能够在弱信号质量下确保网络驻足能力，以具有更高的传输速率，支持更多种业务。
图2为图1中步骤S10的流程图。
如图2所示，上述步骤S10可以包括步骤S11至S14。
在步骤S11，检测第一天线的接收信号电平作为第一天线的信号 质量。
在步骤S12，通过第一天线的第一传感器确定第一天线的电压，并根据第一天线的电压计算第一天线的功率，根据第一天线的功率确定第一天线的电磁波吸收比值。
在步骤S13，检测第二天线的接收信号电平作为第二天线的信号质量。
在步骤S14,通过第二天线的第二传感器确定第二天线的电压，并根据第二天线的电压计算第二天线的功率，根据第二天线的功率确定第二天线的电磁波吸收比值。
在本实施例中，天线的数量也可以为三个或更多，此时，可以采用上述方法先判断第一天线和第二天线之间的信号质量大小和SAR值，选择出候选的工作天线后，再用上述方法将候选工作天线和，例如，第三天线进行比较，以得到性能最佳的天线作为工作天线。
在本实施例中，移动终端内设置有终端电路，用于采集、处理两个或多个天线的数据，并在两个或多个天线之间进行切换。图3为根据本公开的实施例的终端的电路功能示意图。
如图3所示，以两天线为例，终端包括第一天线(图中所示天线一)、第二天线(图中所示天线二)、切换开关、终端处理器芯片、第一控制单元(图中所示控制单元一)、第二控制单元(图中所示控制单元二)、第一传感器(图中所示传感器一)和第二传感器(图中所示传感器二)。第一控制单元和第二控制单元可以分别包括ADC转换单元和自校准和控制单元。
在本实施例中，第一天线的第一传感器和第二天线的第二传感器可以具有电容性或者其他特性。以传感器具有电容特性为例，当天线周围有其他物体靠近天线，或者周围环境有变化时，传感器的电容发生变化。控制单元将输入的电容值转换为电压，并通过终端处理器芯片计算天线的功率。在一定范围内，天线不同的功率值以及相应的SAR值可以和传感器的每一组电容值相对应，因此可以获取每个天线的SAR值。
在本实施例中，第一天线和第二天线与终端电路之间设置有切 换开关，以控制第一天线和第二天线与终端电路之间的通断。
图4为根据本公开的实施例的天线切换装置的示意性框图。为了便于描述，以终端具有两个天线为示例描述根据本公开的实施例的天线切换方法，但以上天线数量仅是示例，而不意图限制本公开，终端还可以包括三个或更多个天线。
如图4所示，根据本公开的实施例的天线切换装置包括获取模块10、比较模块20和切换模块30。
获取模块10可以获取第一天线的信号质量和SAR值以及获取第二天线的信号质量和SAR值。
检测比较模块20可以将第一天线的信号质量和第二天线的信号质量分别与预设信号质量阈值进行比较。
切换模块30根据第一天线的信号质量和第二天线的信号质量与预设信号质量阈值的比较来切换工作天线。具体地，在第一天线的信号质量与第二天线的信号质量皆大于或等于预设信号质量阈值时，从第一天线和第二天线中选择SAR值较小的天线作为工作天线，并且在第一天线的信号质量与第二天线的信号质量中至少有一个小于预设信号质量阈值时，从第一天线和第二天线中选择信号质量较大的天线作为工作天线。
根据本实施例的天线切换装置，当终端在网络服务区内正常工作时，假设以第一天线为工作天线，第二天线为非工作天线，当天线周围有其他物体靠近，或者周围环境有变化时，天线的性能发生变化，此时需要重新检测两个天线的信号质量和SAR值。当两个天线的信号质量皆大于或等于预设信号质量阈值时，选择SAR值较小的一个天线作为工作天线，例如，如果第一天线的SAR值较小，则保持第一天线为工作天线，若第二天线的SAR值较小，则将工作天线从第一天线切换为第二天线。当第一天线的信号质量大于或等于预设信号质量阈值，第二天线的信号质量小于预设信号质量阈值时，保持第一天线为工作天线，当第一天线的信号质量小于预设信号质量阈值，第二天线的信号质量大于或等于预设信号质量阈值时，将工作天线从第一天线切换为第二天线。当第一天线和第二天线的信号质量皆小于预设信号质量 阈值时，如果第一天线的信号质量大于或等于第二天线的信号质量，则保持第一天线为工作天线，如果第一天线的信号质量小于第二天线，则将工作天线从第一天线切换为第二天线。
此外，天线切换装置还可以包括切换开关(参见图3所示的开关)，切换开关可根据切换模块30的操作控制第一天线和第二天线的通断。例如，当切换模块30将工作天线从第一天线切换到第二天线时，切换开关可以控制断开与第一天线的连接，并连通与第二天线的连接，当切换模块30将工作天线从第二天线切换到第一天线时，切换开关可以控制断开与第二天线的连接，并连通与第一天线的连接。
根据本公开的实施例，综合考量了每个天线的接收信号质量与SAR两个指标，在每个天线的接收信号质量均满足预设信号质量阈值时选择SAR值小的天线作为工作天线，从而确保用户的健康与安全，避免了对人体的伤害，同时提高了终端的接收信号质量，使得用户有更好的体验，使得终端能够在弱信号质量下确保网络驻足能力，以具有更高的传输速率，支持更多种业务。
图5为根据本公开的实施例的图4中的获取模块的示意性框图。
如图5所示，获取模块可以包括第一信号质量获取单元11、第一SAR值获取单元12、第二信号质量获取单元13和第二SAR值获取单元14。
第一信号质量获取单元11和第二信号质量获取单元13可以获取天线的接收信号的电平或信噪比作为体现天线的信号质量的值，但本公开不限于此，还可应用其他能够体现天线的信号质量的指标。
第一SAR值获取单元12和第二SAR值获取单元14可以分别获取第一天线和第二天线的SAR值。根据本公开的实施例，当外界物体靠近天线时，天线的传感器可以根据物体的接近程度相应地引起例如电容等变化，终端的控制单元可以将天线中的传感器的电容变化转换为模拟信号的电压，并控制模电转换器将模拟信号的电压转换为数字信号的电压，终端可以根据数字信号的电压计算天线的功率，第一SAR值获取单元12和第二SAR值获取单元14可以根据天线的功率确定天线的SNR值。
此外，终端包括两个天线仅是示例，终端还可以包括三个或更多个天线。当终端包括三个天线时，获取模块30还可以包括第三信号质量获取单元和第三SAR值获取单元。
根据本公开的实施例的电子设备包括存储器、处理器和至少一个被存储在所述存储器中并被配置为由所述处理器执行的应用程序，所述应用程序被配置为用于执行根据本公开的实施例的天线切换方法。
根据本公开的实施例的计算机可读存储介质存储有计算机程序，该程序被处理器执行时实现根据本公开的实施例的天线切换方法。
通过以上描述，本领域的技术人员可以清楚地了解到根据本公开的实施例的天线切换方法可通过软件、硬件或它们的组合来实现，其中，软件可以存储在存储介质(例如，ROM/RAM、磁碟、光盘)中，并包括用以使得终端设备(例如，手机，计算机，服务器，空调器，或者网络设备等)执行根据本公开的实施例的天线切换方法的指令。
以上参照附图说明了本公开实施例，但本公开不限于以上描述的特定实施例。本领域技术人员不脱离本发明的范围和实质内所作的任何修改、等同替换和改进，均应在本发明的权利范围之内。

Claims (10)

  1. 一种天线切换方法，包括：
    获取第一天线的信号质量和电磁波吸收比值以及第二天线的信号质量和电磁波吸收比值；
    将所述第一天线的信号质量和所述第二天线的信号质量分别与预设信号质量阈值进行比较；以及
    当所述第一天线的信号质量与所述第二天线的信号质量皆大于或等于所述预设信号质量阈值时，从所述第一天线和所述第二天线中选择电磁波吸收比值较小的天线作为工作天线。
  2. 根据权利要求1所述的天线切换方法，其中，获取所述第一天线的信号质量和电磁波吸收比值以及所述第二天线的信号质量和电磁波吸收比值的步骤包括：
    检测所述第一天线的接收信号电平作为所述第一天线的信号质量；
    通过所述第一天线的第一传感器确定所述第一天线的电压，并根据所述第一天线的电压计算所述第一天线的功率，根据所述第一天线的功率确定所述第一天线的电磁波吸收比值；
    检测所述第二天线的接收信号电平作为所述第二天线的信号质量；以及
    通过所述第二天线的第二传感器确定所述第二天线的电压，并根据所述第二天线的电压计算所述第二天线的功率，根据所述第二天线的功率确定所述第二天线的电磁波吸收比值。
  3. 根据权利要求1所述的天线切换方法，还包括：
    当所述第一天线的信号质量与所述第二天线的信号质量中至少有一个小于所述预设信号质量阈值时，从所述第一天线和所述第二天 线中选择信号质量较大的天线作为工作天线。
  4. 根据权利要求1所述的天线切换方法，其中，所述第一天线、所述第二天线与终端电路之间设置有切换开关，并且
    所述切换开关被设置成控制所述第一天线、所述第二天线与所述终端电路之间的通断。
  5. 一种天线切换装置，包括：
    获取模块，被配置为获取第一天线的信号质量和电磁波吸收比值以及第二天线的信号质量和电磁波吸收比值；
    比较模块，被配置为将所述第一天线的信号质量和所述第二天线的信号质量分别与预设信号质量阈值进行比较；以及
    切换模块，当所述第一天线的信号质量与所述第二天线的信号质量皆大于或等于所述预设信号质量阈值时，所述切换模块从所述第一天线和所述第二天线中选择电磁波吸收比值较小的天线作为工作天线。
  6. 根据权利要求5所述的天线切换装置，其中，所述获取模块包括：
    第一信号质量获取单元，被配置为检测所述第一天线的接收信号电平作为所述第一天线的信号质量；
    第一SAR获取单元，被配置为通过所述第一天线的第一传感器确定所述第一天线的电压，并根据所述第一天线的电压计算所述第一天线的功率，根据所述第一天线的功率确定所述第一天线的电磁波吸收比值；
    第二信号质量获取单元，被配置为检测所述第二天线的接收信号电平作为所述第二天线的信号质量；以及
    第二SAR获取单元，被配置为通过所述第二天线的第二传感器确定所述第二天线的电压，并根据所述第二天线的电压计算所述第二天线的功率，根据所述第二天线的功率确定所述第二天线的电磁波吸收比值。
  7. 根据权利要求5所述的天线切换装置，其中，当所述第一天线的信号质量与所述第二天线的信号质量中至少有一个小于所述预设信号质量阈值时，所述切换模块从所述第一天线和所述第二天线中选择信号质量较大的天线作为工作天线。
  8. 根据权利要求5所述的天线切换装置，还包括：切换开关，其设置在所述第一天线、所述第二天线与终端电路之间，并且被设置为根据所述切换模块的操作控制所述第一天线、所述第二天线与所述终端电路之间的通断。
  9. 一种电子设备，包括存储器和处理器，所述存储器中存储有计算机程序，其中，所述计算机程序被所述处理器执行时，所述处理器执行根据权利要求1至4中任一项所述的天线切换方法。
  10. 一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时，所述处理器执行根据权利要求1至4中任一项所述的天线切换方法。
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US20170359113A1 (en) * 2016-06-14 2017-12-14 Samsung Electronics Co., Ltd. Method for controlling antenna and electronic device using the same
CN107645596A (zh) * 2017-09-18 2018-01-30 青岛海信移动通信技术股份有限公司 一种降低移动终端sar值的方法、装置及移动终端

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106033977A (zh) * 2015-03-19 2016-10-19 联想(北京)有限公司 电子设备和该电子设备的控制方法
US20170359113A1 (en) * 2016-06-14 2017-12-14 Samsung Electronics Co., Ltd. Method for controlling antenna and electronic device using the same
CN107645596A (zh) * 2017-09-18 2018-01-30 青岛海信移动通信技术股份有限公司 一种降低移动终端sar值的方法、装置及移动终端

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