WO2017113371A1 - 天线的选择方法及电子装置 - Google Patents

天线的选择方法及电子装置 Download PDF

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Publication number
WO2017113371A1
WO2017113371A1 PCT/CN2015/100287 CN2015100287W WO2017113371A1 WO 2017113371 A1 WO2017113371 A1 WO 2017113371A1 CN 2015100287 W CN2015100287 W CN 2015100287W WO 2017113371 A1 WO2017113371 A1 WO 2017113371A1
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WIPO (PCT)
Prior art keywords
antenna
electronic device
use environment
signal strength
antennas
Prior art date
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PCT/CN2015/100287
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English (en)
French (fr)
Inventor
邹翔
Original Assignee
深圳市柔宇科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to US15/758,397 priority Critical patent/US10141995B2/en
Priority to CN201580082639.1A priority patent/CN107925450A/zh
Priority to JP2018516569A priority patent/JP6506473B2/ja
Priority to EP15911996.5A priority patent/EP3399656A4/en
Priority to PCT/CN2015/100287 priority patent/WO2017113371A1/zh
Priority to KR1020187010169A priority patent/KR20180053695A/ko
Publication of WO2017113371A1 publication Critical patent/WO2017113371A1/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
    • 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
    • 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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • 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
    • H04B7/0814—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 based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems

Definitions

  • the present invention relates to the field of communications, and more particularly to a method for selecting an antenna and an electronic device.
  • an electronic device as a mobile communication terminal as an example, when a user holds a mobile communication terminal to talk or puts the mobile communication terminal in a portable pocket and talks with the earphone, the metal part such as the hand, the human head or other body parts, the key in the pocket, and the like Both will have a negative impact on the antenna performance of the mobile communication terminal.
  • the above electronic device includes two antenna modules.
  • the two antenna modules are disposed at different positions of the electronic device. According to the standing posture of the electronic device, the electronic device can select one of the two antenna modules to communicate with the external base station.
  • the above solution can optimize the antenna module of the electronic device to some extent, since the electronic device selects the antenna module according to the standing posture, the antenna module may actually be affected by other factors than the standing posture. Therefore, the antenna performance of the electronic device cannot be further optimized, and the above solution has certain limitations.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention needs to provide a method of selecting an antenna and an electronic device.
  • a method for selecting an antenna for an electronic device comprising a plurality of antennas, the selecting method comprising the steps of: S1: detecting whether a signal strength of the plurality of antennas as a default working antenna is lower than a preset value, and if not , repeating step S1, and if so, proceeding to step S2;
  • step S2 detecting whether the current use environment in which the electronic device is located is consistent with the preset use environment, if yes, proceeding to step S3, and if not, proceeding to step S5;
  • step S4 detecting whether the signal strength of the first antenna is lower than the preset value, if not, repeating step S4, and if so, proceeding to step S5;
  • An electronic device includes a controller, an environment sensor, an antenna selection switch, and a plurality of antennas, the plurality of antennas being connected to the antenna selection switch, the controller connecting the environment sensor and the antenna selection switch;
  • the controller is configured to detect whether a signal strength of the multiple antennas as a default working antenna is lower than a preset value
  • the controller is configured to detect whether the current use environment of the electronic device is consistent with the preset use environment
  • the controller is configured to control the antenna selection switch to enable a first antenna of the plurality of antennas as a working antenna, where the first antenna is located in the electronic device At a location that is least affected by the current usage environment;
  • the controller is configured to detect whether the signal strength of the first antenna is lower than the preset value. If the signal strength of the first antenna is not lower than the preset value, the controller is configured to re-detect whether the signal strength of the first antenna is Below the preset value, if the signal strength of the first antenna is lower than the preset value, the controller is configured to control the antenna selection switch to enable the antenna with the highest signal strength among the multiple antennas as the working antenna;
  • the controller is configured to control the antenna selection switch to enable an antenna with the highest signal strength among the plurality of antennas as the working antenna.
  • the antenna selection method and the electronic device can analyze the most suitable antenna in real time according to the change of the use environment of the electronic device and the signal strength of the antenna, and automatically switch the antenna to ensure that the antenna of the electronic device is always in the best work. status.
  • FIG. 1 is a block diagram of a preferred embodiment of an electronic device
  • FIG. 2 is a schematic plan view of an electronic device according to a preferred embodiment
  • FIG. 3 is another schematic block diagram of an electronic device according to a preferred embodiment
  • FIG. 5 is a schematic flow chart of a method for selecting an antenna for an electronic device according to a preferred embodiment.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, or may be electrically connected or may communicate with each other; may be directly connected or indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • an electronic device 100 includes a controller 102 , an environment sensor 104 , an antenna selection switch 106 , and a plurality of antennas 108 .
  • the plurality of antennas 108 are connected to the antenna selection switch 106 .
  • the controller 102 is connected to the use environment sensor 104 and the antenna selection switch 106.
  • the electronic device 100 is, for example, an electronic device having a mobile communication function, such as a mobile phone, a tablet computer, or a wearable electronic device, or a small computing terminal for providing audio and video signals to a video display terminal and having a local communication function.
  • Electronic devices such as devices, such as TV boxes with wifi capabilities.
  • the electronic device 100 can communicate with a signal transmitting base station or router (not shown). Therefore, in the present embodiment, the antenna is described as an example of a mobile communication antenna, but the implementation of the present invention is not limited thereto.
  • the electronic device 100 can perform signal transmission with one of the plurality of antennas 108 and the signal transmitting base station. Further, in the present embodiment, as an example, the number of the antennas 108 is four.
  • the electronic device 100 has a substantially rectangular parallelepiped shape, and the electronic device 100 has a display screen 110.
  • the electronic device 100 can set one of the four antennas 112 as the default working antenna, and the other three antennas serve as the alternative antennas (hereinafter referred to as the first candidate antenna 114, the second candidate antenna 116, and Third alternative antenna 118).
  • the default working antenna 112 is disposed at an internal position in the upper right corner of the front surface of the electronic device 100 (the front surface of the electronic device 100 is a user's side that is often used during the use of the electronic device 100, for example, having the display screen 110. one side).
  • the location facilitates the antenna to receive and transmit signals.
  • the first alternative antenna 114 is disposed at an internal position of the lower right corner of the front surface of the electronic device 100
  • the second alternative antenna 116 is disposed at an internal position of the lower left corner of the front surface of the electronic device 100
  • the third alternative antenna 118 is disposed at the electronic device 100.
  • the internal position of the upper left front corner is set such that the four antennas can be separated as much as possible to satisfy the electronic device 100 receiving and transmitting signals through one of the antennas in different directions.
  • the controller 102 is configured to detect whether the signal strength of the default working antenna 112 is lower than a preset value. Since the electronic device 100 may be operated under various different usage environments, different usage environments may have a negative impact on the antenna performance of the electronic device 100. Therefore, the controller 102 determines whether the performance of the default working antenna 112 satisfies the demand by comparing the signal strength of the default working antenna 112 with a preset value.
  • the preset value can be set according to the environment in which the electronic device 100 is used frequently. For example, when the electronic device 100 is a portable electronic device such as a mobile phone, the usage environment is mostly outdoor, and the preset value can be set to be large. When the electronic device 100 is a relatively unportable electronic device such as a tablet computer, the usage environment is mostly indoor, and the preset value can be set to a small value.
  • the above only describes the setting of the preset value in two cases, and the case of setting the preset value should not be limited to the above two cases.
  • the controller 102 is configured to detect whether the current usage environment in which the electronic device 100 is located is consistent with a preset usage environment. If the signal strength of the default working antenna 112 is not lower than the preset value, the controller 102 is configured to re-detect whether the signal strength of the default working antenna 112 is lower than the preset value.
  • the controller 102 is configured to control the antenna selection switch 106 to enable the first antenna of the plurality of antennas as a working antenna, the first antenna Located at a location of the electronic device that is least affected by the current usage environment.
  • the preset use environment includes an environment in which the electronic device 100 is in a use environment in which the electronic device 100 is in the vicinity of the external metal.
  • the use environment sensor 104 includes a metal detection sensor 120 for sensing the metallic direction of the outside metal.
  • the preset use environment is to simulate the user's daily use of the electronic device 100, the electronic device 100 is placed in an environment with metal parts around, for example, the electronic device 100 is placed in a pocket, and the pocket has a key environment.
  • the controller 102 activates the metal detection sensor 120 to sense the metal direction and is used to determine whether the metal detection sensor 120 senses the metal direction of the foreign metal. Since the metal contained in the electronic device 100 itself may be gold The detection sensor 120 generates interference. Therefore, the electronic detecting device 120 can be zeroed in an environment in which the electronic device 100 is placed without external metal. Thus, when the electronic device 100 is placed in a use environment near the outside metal, the metal detecting sensor 120 can sense the metal direction of the external metal.
  • the controller 102 determines that the metal detecting sensor 120 senses the metal direction of the external metal, it indicates that the electronic device 100 is in a use environment near the outside metal. Based on the metal direction, the controller 102 controls the antenna selection switch 106 to activate the first antenna of the plurality of antennas that is furthest from the outside metal as the working antenna. For example, referring to FIG. 2, when the metal direction of the external metal is above the front surface of the electronic device 100, the controller 102 controls the antenna selection switch 106 to activate the second backup antenna 116 located at the lower left corner of the front surface of the electronic device 100 as the working antenna. In this way, the influence of the external metal on the working antenna of the electronic device 100 can be minimized.
  • the controller 102 is configured to detect whether the signal strength of the first antenna is lower than the preset value. If the signal strength of the first antenna is not lower than the preset value, the controller 102 is configured to re-detect the first antenna. Whether the signal strength is lower than the preset value. If the signal strength of the first antenna is lower than the preset value, the controller 102 is configured to control the antenna selection switch 106 to enable the antenna with the highest signal strength among the plurality of antennas as the working antenna.
  • the signal strength of the antenna may be affected by other factors in addition to the influence of external metals. Therefore, in the case where the first antenna farthest from the outside metal (the second spare antenna 116 in the present embodiment) is enabled, the signal strength of the second spare antenna 116 may not be as expected.
  • the controller 102 detects the signal strength of the second spare antenna 116 in real time to determine whether the signal strength of the second spare antenna 116 is as expected. In the case where the signal strength of the first antenna does not reach the expected level, the controller 102 controls the antenna selection switch 106 to activate the antenna with the highest signal strength among the plurality of antennas as the working antenna. As such, the antenna performance of the electronic device 100 is optimized.
  • the controller 102 is configured to enable an antenna with the highest signal strength among the plurality of antennas as the working antenna. For example, when the controller 102 determines that the metal detecting sensor 120 does not sense the metal direction of the external metal, it indicates that the current use environment in which the electronic device 100 is located is not affected by the external metal. Therefore, when the signal strength as the default working antenna 112 is lower than the preset value and the current use environment in which the electronic device 100 is located is not affected by the external metal, the electronic device 100 activates the antenna with the highest signal strength as the working antenna, thus The antenna performance of the electronic device 100 is optimized.
  • controller 102 is further configured to analyze all antennas whose signal strength is greater than the preset value to obtain a second antenna with a minimum change in signal strength within a preset time, and control the antenna selection switch 106 to enable the second antenna as Working antenna.
  • the controller 102 enables the second antenna with the smallest change of the signal strength in the preset time in all the antennas whose signal strength is greater than the preset value. For working antennas. In this way, the electronic device 100 can be operated in the most stable state of the antenna.
  • first antenna and second antenna refer to the same antenna or different antennas in some cases, for example, when the second backup antenna 116 is enabled as the first antenna, and in a later period of time, The signal strength of the second backup antenna 116 is again an antenna in which all signal strengths are greater than a preset value, and the antenna antenna has the smallest change in the preset time, and the second spare antenna 116 is the second antenna; for example, In a later period of time, the signal strength of the third spare antenna 118 is an antenna in which all signal strengths are greater than a preset value, and the antenna of the third standby antenna 118 is the second antenna.
  • the electronic device 100 analyzes the most suitable antenna from time to time according to the change of the use environment of the electronic device 100 and the signal strength of the antenna, and automatically switches the antenna to ensure that the antenna of the electronic device 100 is always at the most Good working condition.
  • a second preferred embodiment of the present invention provides an electronic device 200.
  • the electronic device 200 of the present embodiment is substantially the same as the electronic device 100 of the first preferred embodiment, except that the use environment sensor 202 of the present embodiment includes an angle sensor 204 instead of the metal detecting sensor.
  • the number of antennas of the electronic device 200 is two, one antenna 206 is located at an internal position above the front surface of the electronic device 200 , and another antenna 208 is located at the electronic device 200 .
  • the preset use environment includes a use environment in which the electronic device 200 is in a use environment in which the electronic device 200 is in a flip state.
  • the angle sensor 204 is used to sense the placement angle of the electronic device 200. For example, whether the electronic device 200 is placed on the front side or flipped on the support surface 300 such as a desktop.
  • the preset use environment is to simulate the user's daily use of the electronic device 200, and the electronic device 200 is flipped over the support surface 300 such as a desktop, as shown in FIG.
  • the controller 210 activates the angle sensor 204 to sense the placement angle of the electronic device 200 and to determine whether the electronic device 200 is flipped according to the placement angle. If so, the controller 210 controls the antenna selection switch 212 to activate the first antenna as a working antenna, and the first antenna is a backup antenna 208 located below the back of the electronic device 200.
  • the controller 210 is configured to enable the antenna with the highest signal strength among the two antennas as the working antenna.
  • other portions that have not been described may be referred to in the description of the first preferred embodiment, and are not developed here.
  • the electronic device 200 analyzes the most suitable antenna and automatically switches the antenna according to the change of the use environment of the electronic device 200 and the signal strength of the antenna, thereby ensuring that the antenna of the electronic device 200 is always at the most Good working condition.
  • the number of antennas mentioned in the above embodiments, the installation position and the like are all used to explain the reality of the present invention.
  • the invention is not limited thereto.
  • the number of antennas and the installation position can be changed according to the actual use environment of the electronic device.
  • a method for selecting an antenna for an electronic device includes a plurality of antennas.
  • the selection method includes the steps of:
  • step S1 detecting whether the signal strength of the plurality of antennas as the default working antenna is lower than a preset value, if not, repeating step S1, and if so, proceeding to step S2;
  • step S2 detecting whether the current use environment in which the electronic device is located is consistent with the preset use environment, if yes, proceeding to step S3, and if not, proceeding to step S5;
  • step S4 detecting whether the signal strength of the first antenna is lower than the preset value, if not, repeating step S4, and if so, proceeding to step S5;
  • the selection method of the antenna can be implemented by the electronic device of any of the above embodiments.
  • step S1 the controller detects whether the signal strength of the plurality of antennas as the default working antenna is lower than a preset value.
  • step S2 the controller detects whether the current use environment in which the electronic device is located matches the preset use environment by using the environmental sensor.
  • the preset use environment includes an environment in which the electronic device is in a use environment in which the electronic device is in the vicinity of the external metal
  • step S2 includes: using the metal detecting sensor to sense the metal direction of the external metal. It is determined whether the current use environment in which the electronic device is located is a use environment in which the electronic device is in the vicinity of the external metal, and if yes, the process proceeds to step S3, and if no, the process proceeds to step S5.
  • step S3 the controller controls the antenna selection switch to enable the first antenna of the plurality of antennas as the working antenna, and the first antenna is the antenna of the plurality of antennas that is furthest from the external metal. In this way, the antenna performance of the electronic device is optimized.
  • the preset use environment includes a use environment in which the electronic device is in a use environment in which the electronic device is in an inverted state
  • step S2 includes: determining whether the electronic device is flipped by the angle sensor to determine the electronic device. Whether the current use environment in which the device is located is the use environment in which the electronic device is in the inverted state, and if yes, the process proceeds to step S3, and if no, the process proceeds to step S5.
  • the first antenna is an antenna located on the back of the electronic device among the plurality of antennas. In this way, the antenna performance of the electronic device is optimized.
  • step S4 the controller detects whether the signal strength of the first antenna is lower than the preset value.
  • step S5 the controller controls the antenna selection switch to enable the antenna with the highest signal strength among the plurality of antennas as the working antenna.
  • the method for selecting the antenna further includes the following steps: S6: analyzing all the antennas whose signal strength is greater than the preset value to obtain a second antenna having the smallest change in signal strength within a preset time; S7: Enable the second antenna as a working antenna. In this way, the electronic device can operate in the most stable state of the antenna.
  • step S6 the controller analyzes all antennas whose signal strength is greater than the preset value.
  • step S7 the controller controls the antenna selection switch to enable the second antenna as the working antenna.
  • the above antenna selection method will analyze the most suitable antenna and automatically switch the antenna according to the change of the use environment of the electronic device and the signal strength of the antenna, thereby ensuring that the antenna of the electronic device is always optimal.
  • Working status the most suitable antenna and automatically switch the antenna according to the change of the use environment of the electronic device and the signal strength of the antenna, thereby ensuring that the antenna of the electronic device is always optimal.

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Abstract

本发明公开的天线的选择方法包括：S1：检测电子装置多个天线中作为默认工作天线的信号强度是否低于预设值，若否，则重复步骤S1，若是，进入步骤S2；S2：检测电子装置所处的当前使用环境是否与预设使用环境相符，若是，进入步骤S3，若否，进入步骤S5；S3：启用第一天线作为工作天线，第一天线位于电子装置的受当前使用环境影响最小的位置上；S4：检测第一天线的信号强度是否低于预设值，若否，重复步骤S4，若是，进入步骤S5；S5：启用多个天线中信号强度最大的天线作为工作天线。上述天线的选择方法，会根据电子装置的使用环境的变化及天线的信号强度，切换使用天线，从而确保电子装置的天线始终处于最佳的工作状态。本发明还公开一种电子装置。

Description

天线的选择方法及电子装置 技术领域
本发明涉及于通信领域，更具体而言，涉及一种天线的选择方法及一种电子装置。
背景技术
随着通信技术的快速发展及人们对通信的即时需求，具有无线通信功能的电子装置被广泛地使用。这些电子装置一般具备天线以与基站台进行通信。
然而，这些电子装置往往受产品体积限制、使用环境及使用状态的影响，天线性能没有达到最优化。以电子装置为移动通信终端为例，当用户手持移动通信终端通话或将移动通信终端放在随身口袋里用耳机通话时，手握、人体头部或其他身体部位、口袋里的钥匙等金属件都会对移动通信终端的天线性能造成负面影响。
目前，为了解决上述问题，上述电子装置包括二个天线模块。该二个天线模块设置在电子装置的不同位置。根据电子装置的站立姿态，电子装置可选择二个天线模块中的其中一个天线模块与外界的基站台进行通信。
虽然上述解决方案可在一定程度上优化电子装置的天线模块，但是，由于该电子装置是根据站立姿态来选择天线模块，实际上天线模块还可能受到除站立姿态外的其它因素所影响。因此，电子装置的天线性能不能够进一步优化，上述解决方案还存在一定的局限性。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明需要提供一种天线的选择方法及一种电子装置。
一种用于电子装置的天线的选择方法，该电子装置包括多个天线，该选择方法包括步骤：S1：检测该多个天线中作为默认工作天线的信号强度是否低于预设值，若否，则重复步骤S1，若是，进入步骤S2；
S2：检测该电子装置所处的当前使用环境是否与预设使用环境相符，若是，进入步骤S3，若否，进入步骤S5；
S3：启用该多个天线中的第一天线作为工作天线，该第一天线位于该电子装置的受该当前使用环境影响最小的位置上；
S4：检测该第一天线的信号强度是否低于该预设值，若否，重复步骤S4，若是，进入步骤S5；
S5：启用该多个天线中信号强度最大的天线作为工作天线。
一种电子装置，包括控制器、使用环境传感器、天线选择开关及多个天线，该多个天线与该天线选择开关连接，该控制器连接该使用环境传感器及该天线选择开关；
该控制器用于检测该多个天线中作为默认工作天线的信号强度是否低于预设值；
若该默认工作天线的信号强度低于该预设值，该控制器用于检测该电子装置所处的当前使用环境是否与预设使用环境相符；
若该电子装置所处的该当前使用环境与该预设使用环境相符，该控制器用于控制该天线选择开关启用该多个天线中的第一天线作为工作天线，该第一天线位于该电子装置的受该当前使用环境影响最小的位置上；
该控制器用于检测该第一天线的信号强度是否低于该预设值，若该第一天线的信号强度不低于该预设值，该控制器用于重新检测该第一天线的信号强度是否低于该预设值，若该第一天线的信号强度低于该预设值，该控制器用于控制该天线选择开关启用该多个天线中信号强度最大的天线作为工作天线；
若该电子装置所处的该当前使用环境与该预设使用环境不相符，该控制器用于控制该天线选择开关启用该多个天线中信号强度最大的天线作为工作天线。
上述天线的选择方法及电子装置，会根据电子装置的使用环境的变化及天线的信号强度，实时分析出最合适的天线并自动切换使用该天线，从而确保电子装置的天线始终处于最佳的工作状态。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是较佳实施方式的电子装置的模块示意图；
图2是较佳实施方式的电子装置的平面示意图；
图3是较佳实施方式的电子装置的另一模块示意图；
图4是较佳实施方式的电子装置的侧面示意图；及
图5是较佳实施方式的用于电子装置的天线的选择方法的流程示意图。
具体实施方式
下面详细描述本发明的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通信；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开，下文中对特定例子的部件和设定进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设定之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参阅图1，本发明第一较佳实施方式的电子装置100包括控制器102、使用环境传感器104、天线选择开关106及多个天线108，该多个天线108与该天线选择开关106连接，该控制器102连接该使用环境传感器104及该天线选择开关106。
请结合图2，电子装置100例如是手机、平板电脑、可穿戴电子设备等具备移动通信功能的电子装置，也可以是用于向视频显示终端提供音视频信号并具有局部通信功能的小型计算终端设备等电子装置，比如具有wifi功能的电视盒子。该电子装置100可与信号发射基站台或路由器(图未示)进行通信。因此，本实施方式中，该天线以移动通信天线为例说明本发明的实施，但本发明的实施不限于此。电子装置100可通过该多个天线108中的其中一个天线与信号发射基站台进行信号传输。另外，本实施方式中，作为例子说明，天线108的数量是4个。
该电子装置100大致呈长方体状，该电子装置100具有显示屏110。初始工作时，电子装置100可设定4个天线中的其中一个天线112作为默认工作天线，而其它3个天线作为备选天线(下称第一备选天线114、第二备选天线116及第三备选天线118)。
本实施方式中，默认工作天线112设置在电子装置100的正面右上角的内部位置(电子装置100的正面是在电子装置100的使用过程中，经常面对用户的一面，例如具有显示屏110的一面)。当用户利用该电子装置100进行通话时，该位置有利于天线接收和发送信号。
第一备选天线114设置在电子装置100的正面右下角的内部位置，第二备选天线116设置在电子装置100的正面左下角的内部位置，第三备选天线118设置在电子装置100的正面左上角的内部位置，如此设置，能够使该4个天线尽量分开，以满足电子装置100在不同方向通过其中一个天线接收及发送信号。
该控制器102用于检测该默认工作天线112的信号强度是否低于预设值。由于电子装置100可能处于各种不同的使用环境下工作，不同的使用环境可能对电子装置100的天线性能带来负面影响。所以，控制器102通过比较默认工作天线112的信号强度与预设值来判断默认工作天线112的性能是否满足需求。
预设值可根据电子装置100经常的使用环境来设定，例如，当电子装置100是手机等较便携的电子装置时，其使用环境较多是室外，预设值可设定为较大的数值；当电子装置100是平板电脑等相对来说较不便携的电子装置时，其使用环境较多是室内，那么预设值可设定为较小的数值。当然，以上仅仅以两种情况来说明设定预设值的情况，设定预设值的情况应当不限于上述两种情况。
若该默认工作天线112的信号强度低于该预设值，该控制器102用于检测该电子装置100所处的当前使用环境是否与预设使用环境相符。若该默认工作天线112的信号强度不低于该预设值，控制器102用于重新检测该默认工作天线112的信号强度是否低于该预设值。
若该电子装置100所处的该当前使用环境与该预设使用环境相符，该控制器102用于控制该天线选择开关106启用该多个天线中的第一天线作为工作天线，该第一天线位于电子装置的受该当前使用环境影响最小的位置上。
具体地，本实施方式中，该预设使用环境包括该电子装置100所处的使用环境为该电子装置100处于外界金属附近的使用环境。对应地，使用环境传感器104包括金属探测传感器120，该金属探测传感器120用于感测外界金属的金属方向。该预设使用环境是模拟用户在日常使用电子装置100时，电子装置100被放置在周围有金属件的环境下，例如，电子装置100被放置在口袋里，而口袋有钥匙的环境下。
该控制器102启用金属探测传感器120以感测金属方向，并用于判断该金属探测传感器120是否感测到该外界金属的金属方向。由于电子装置100本身含有的金属可能会对金 属探测传感器120产生干扰。因此，可将电子装置100置于没有外界金属的环境下，对金属探测传感器120校零。这样在电子装置100置于外界金属附近的使用环境下时，金属探测传感器120能够感测到外界金属的金属方向。
若该控制器102判断该金属探测传感器120感测到该外界金属的金属方向，则表明，该电子装置100处于外界金属附近的使用环境。控制器102根据该金属方向，控制天线选择开关106启用该多个天线中离外界金属最远的第一天线作为工作天线。例如，请结合图2，当外界金属的金属方向处于电子装置100正面的上方时，控制器102控制天线选择开关106启用位于电子装置100的正面左下角的第二备用天线116作为工作天线。如此，可将外界金属对电子装置100的工作天线的影响降到最小。
该控制器102用于检测该第一天线的信号强度是否低于该预设值，若该第一天线的信号强度不低于该预设值，该控制器102用于重新检测该第一天线的信号强度是否低于该预设值。若该第一天线的信号强度低于该预设值，该控制器102用于控制该天线选择开关106启用该多个天线中信号强度最大的天线作为工作天线。
具体地，天线的信号强度除了外界金属的影响之外，还可能受到其它因素影响。因此，在启用离外界金属最远的第一天线(本实施方式中的第二备用天线116)的情况下，第二备用天线116的信号强度可能没有达到预期。控制器102实时检测第二备用天线116的信号强度，来判断第二备用天线116的信号强度是否达到预期。在第一天线的信号强度没有达到预期的情况下，控制器102控制天线选择开关106启用该多个天线中信号强度最大的天线作为工作天线。如此，使得电子装置100的天线性能最优化。
若该电子装置100所处的该当前使用环境与该预设使用环境不相符，该控制器102用于启用该多个天线中信号强度最大的天线作为工作天线。例如，当该控制器102判断该金属探测传感器120没有感测到该外界金属的金属方向时，则表明，电子装置100所处的当前使用环境没有受到外界金属的影响。因此，当作为默认工作天线112的信号强度低于预设值且电子装置100所处的当前使用环境没有受到外界金属的影响时，电子装置100启用信号强度最大的天线作为工作天线，如此，使得电子装置100的天线性能最优化。
进一步地，控制器102还用于分析所有信号强度大于该预设值的天线，以得到在预设时间内信号强度变化最小的第二天线，及控制该天线选择开关106启用该第二天线作为工作天线。
具体地，在启用第一天线或信号最强的天线后，电子装置100所处的当前使用环境可能发生变化，使得该多个天线的信号强度相应发生变化。因此，在一段时间后，控制器102在所有信号强度大于预设值的天线中，启用在预设时间内信号强度变化最小的第二天线作 为工作天线。如此，使电子装置100能够工作在天线最稳定的状态。可以理解，上述第一天线及第二天线在一些情况下指的是同一个天线，或不同的天线，例如，在启用第二备用天线116作为第一天线时，而在后的一段时间内，第二备用天线116的信号强度又是在所有信号强度大于预设值的天线中，在预设时间内信号强度变化最小的天线，则第二备用天线116又是第二天线；又如，在后的一段时间内，第三备用天线118的信号强度是在所有信号强度大于预设值的天线中，在预设时间内信号强度变化最小的天线，则第三备用天线118是第二天线。
综上所述，上述电子装置100，会根据电子装置100的使用环境的变化及天线的信号强度，时时分析出最合适的天线并自动切换使用该天线，从而确保电子装置100的天线始终处于最佳的工作状态。
请参图3，本发明第二较佳实施方式提供一种电子装置200。本实施方式的电子装置200与第一较佳实施方式的电子装置100基本相同，其不同之处在于：本实施方式的使用环境传感器202包括角度传感器204，替代了金属探测传感器。
具体地，本实施方式中，请结合图4，作为例子说明，该电子装置200的天线数量为2个，其中一个天线206位于电子装置200正面上方的内部位置，另外一个天线208位于电子装置200背面下方的内部位置。初始时，位于电子装置200正面上方的内部位置的天线206是默认工作天线206，位于电子装置200背面下方的内部位置的天线208是备用天线208。
该预设使用环境包括该电子装置200所处的使用环境为该电子装置200处于翻转的使用环境。对应地，该角度传感器204用于感测该电子装置200的摆放角度，例如，电子装置200是正面放置还是翻转放置在如桌面等支撑面300上。该预设使用环境是模拟用户在日常使用电子装置200时，电子装置200被翻转放置在桌面等支撑面300上，如图4所示。
该控制器210启用角度传感器204以感测该电子装置200的摆放角度，并用于根据该摆放角度判断该电子装置200是否翻转。若是，该控制器210控制该天线选择开关212启用第一天线作为工作天线，该第一天线为位于该电子装置200背面下方的备用天线208。
若否，该控制器210用于启用该2个天线中信号强度最大的天线作为工作天线。在本实施方式中，尚未说明的其它部分可参第一较佳实施方式的说明，在此不再展开。
综上所述，上述电子装置200，会根据电子装置200的使用环境的变化及天线的信号强度，时时分析出最合适的天线并自动切换使用该天线，从而确保电子装置200的天线始终处于最佳的工作状态。
可以理解，在以上实施方式所提到的天线的数量及安装位置等均用于说明本发明的实 施，但本发明不限于此。天线的数量及安装位置可根据电子装置的实际使用环境的不同而作相应的变化。
请参图5，本发明第三较佳实施方式的用于电子装置的天线的选择方法，该电子装置包括多个天线。该选择方法包括步骤：
S1：检测该多个天线中作为默认工作天线的信号强度是否低于预设值，若否，则重复步骤S1，若是，进入步骤S2；
S2：检测该电子装置所处的当前使用环境是否与预设使用环境相符，若是，进入步骤S3，若否，进入步骤S5；
S3：启用该多个天线中的第一天线作为工作天线，该第一天线位于该电子装置的受该当前使用环境影响最小的位置上；
S4：检测该第一天线的信号强度是否低于该预设值，若否，重复步骤S4，若是，进入步骤S5；
S5：启用该多个天线中信号强度最大的天线作为工作天线。
可以理解，该天线的选择方法可由以上任一实施方式的电子装置实现。
在步骤S1中，控制器检测该多个天线中作为默认工作天线的信号强度是否低于预设值。
在步骤S2中，控制器通过使用环境传感器检测该电子装置所处的当前使用环境是否与预设使用环境相符。
在一个实施方式中，该预设使用环境包括该电子装置所处的使用环境为该电子装置处于外界金属附近的使用环境，步骤S2包括：利用金属探测传感器是否感测到该外界金属的金属方向来判断该电子装置所处的该当前使用环境是否为该电子装置处于该外界金属附近的使用环境，若是，进入步骤S3，若否，进入步骤S5。
在步骤S3中，控制器控制天线选择开关启用该多个天线中的第一天线作为工作天线，该第一天线为该多个天线中离该外界金属最远的天线。如此，使得电子装置的天线性能最优化。
在一个实施方式中，该预设使用环境包括该电子装置所处的使用环境为该电子装置处于翻转状态的使用环境，步骤S2包括：利用角度传感器是否感测到该电子装置翻转来判断该电子装置所处的该当前使用环境是否为该电子装置处于翻转状态的使用环境，若是，进入步骤S3，若否，进入步骤S5。
在步骤S3中，该第一天线为该多个天线中位于该电子装置背面的天线。如此，使得电子装置的天线性能最优化。
在步骤S4中，控制器检测该第一天线的信号强度是否低于该预设值。
在步骤S5中，控制器控制天线选择开关启用该多个天线中信号强度最大的天线作为工作天线。
在一个实施方式中，在步骤S5之后，该天线的选择方法还包括步骤：S6：分析所有信号强度大于该预设值的天线，以得到在预设时间内信号强度变化最小的第二天线；S7：启用该第二天线作为工作天线。如此，使电子装置能够工作在天线最稳定的状态。
在步骤S6中，控制器分析所有信号强度大于该预设值的天线。在步骤S7中，控制器控制天线选择开关启用第二天线作为工作天线。
综上所述，上述天线的选择方法，会根据电子装置的使用环境的变化及天线的信号强度，时时分析出最合适的天线并自动切换使用该天线，从而确保电子装置的天线始终处于最佳的工作状态。
在本说明书的描述中，参考术语“一个实施方式”、“一些实施方式”、“示意性实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合所述实施方式或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施方式，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施方式进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (12)

  1. 一种用于电子装置的天线的选择方法，该电子装置包括多个天线，其特征在于，该选择方法包括步骤：
    S1：检测该多个天线中作为默认工作天线的信号强度是否低于预设值，若否，则重复步骤S1，若是，进入步骤S2；
    S2：检测该电子装置所处的当前使用环境是否与预设使用环境相符，若是，进入步骤S3，若否，进入步骤S5；
    S3：启用该多个天线中的第一天线作为工作天线，该第一天线位于该电子装置的受该当前使用环境影响最小的位置上；
    S4：检测该第一天线的信号强度是否低于该预设值，若否，重复步骤S4，若是，进入步骤S5；
    S5：启用该多个天线中信号强度最大的天线作为工作天线。
  2. 如权利要求1所述的天线的选择方法，其特征在于，该预设使用环境包括该电子装置所处的使用环境为该电子装置处于外界金属附近的使用环境，步骤S2包括：利用金属探测传感器是否感测到该外界金属的金属方向来判断该电子装置所处的该当前使用环境是否为该电子装置处于该外界金属附近的使用环境，若是，进入步骤S3，若否，进入步骤S5。
  3. 如权利要求2所述的天线的选择方法，其特征在于，该第一天线为该多个天线中离该外界金属最远的天线。
  4. 如权利要求1所述的天线的选择方法，其特征在于，该预设使用环境包括该电子装置所处的使用环境为该电子装置处于翻转状态的使用环境，步骤S2包括：利用角度传感器是否感测到该电子装置翻转来判断该电子装置所处的该当前使用环境是否为该电子装置处于翻转状态的使用环境，若是，进入步骤S3，若否，进入步骤S5。
  5. 如权利要求4所述的天线的选择方法，其特征在于，该第一天线为该多个天线中位于该电子装置背面的天线。
  6. 如权利要求1所述的天线的选择方法，其特征在于，在步骤S5之后，该选择方法还包括步骤：
    S6：分析所有信号强度大于该预设值的天线，以得到在预设时间内信号强度变化最小的第二天线；
    S7：启用该第二天线作为工作天线。
  7. 一种电子装置，其特征在于，包括控制器、使用环境传感器、天线选择开关及多个天线，该多个天线与该天线选择开关连接，该控制器连接该使用环境传感器及该天线选择开关；
    该控制器用于检测该多个天线中作为默认工作天线的信号强度是否低于预设值；
    若该默认工作天线的信号强度低于该预设值，该控制器用于检测该电子装置所处的当前使用环境是否与预设使用环境相符；
    若该电子装置所处的该当前使用环境与该预设使用环境相符，该控制器用于控制该天线选择开关启用该多个天线中的第一天线作为工作天线，该第一天线位于该电子装置的受该当前使用环境影响最小的位置上；
    该控制器用于检测该第一天线的信号强度是否低于该预设值，若该第一天线的信号强度不低于该预设值，该控制器用于重新检测该第一天线的信号强度是否低于该预设值，若该第一天线的信号强度低于该预设值，该控制器用于控制该天线选择开关启用该多个天线中信号强度最大的天线作为工作天线；
    若该电子装置所处的该当前使用环境与该预设使用环境不相符，该控制器用于控制该天线选择开关启用该多个天线中信号强度最大的天线作为工作天线。
  8. 如权利要求7所述的电子装置，其特征在于，该预设使用环境包括该电子装置所处的使用环境为该电子装置处于外界金属附近的使用环境，该使用环境传感器包括金属探测传感器，该金属探测传感器用于感测该外界金属的金属方向，该控制器用于判断该金属探测传感器是否感测到该外界金属的金属方向，若是，该控制器控制该天线选择开关启用该第一天线作为工作天线，若否，该控制器用于控制该天线选择开关启用该多个天线中信号强度最大的天线作为工作天线。
  9. 如权利要求8所述的电子装置，其特征在于，该第一天线为该多个天线中离该外界金属最远的天线。
  10. 如权利要求7所述的电子装置，其特征在于，该预设使用环境包括该电子装置所 处的使用环境为该电子装置处于翻转的使用环境，该使用环境传感器包括角度传感器，该角度传感器用于感测该电子装置的摆放角度，该控制器用于根据该摆放角度判断该电子装置是否翻转，若是，该控制器控制该天线选择开关启用该第一天线作为工作天线，若否，该控制器用于控制该天线选择开关启用该多个天线中信号强度最大的天线作为工作天线。
  11. 如权利要求10所述的电子装置，其特征在于，该第一天线为该多个天线中位于该电子装置背面的天线。
  12. 如权利要求7所述的电子装置，其特征在于，该控制器还用于分析所有信号强度大于该预设值的天线，以得到在预设时间内信号强度变化最小的第二天线，及控制该天线选择开关启用该第二天线作为工作天线。
PCT/CN2015/100287 2015-12-31 2015-12-31 天线的选择方法及电子装置 WO2017113371A1 (zh)

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