WO2012000405A1 - 天线系统切换方法及移动终端 - Google Patents

天线系统切换方法及移动终端 Download PDF

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Publication number
WO2012000405A1
WO2012000405A1 PCT/CN2011/076306 CN2011076306W WO2012000405A1 WO 2012000405 A1 WO2012000405 A1 WO 2012000405A1 CN 2011076306 W CN2011076306 W CN 2011076306W WO 2012000405 A1 WO2012000405 A1 WO 2012000405A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
antenna system
mobile terminal
unit
state
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/CN2011/076306
Other languages
English (en)
French (fr)
Inventor
单文英
崔功
智建军
钟将为
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.)
Lenovo Beijing Ltd
Beijing Lenovo Software Ltd
Original Assignee
Lenovo Beijing Ltd
Beijing Lenovo Software Ltd
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 Lenovo Beijing Ltd, Beijing Lenovo Software Ltd filed Critical Lenovo Beijing Ltd
Priority to US13/807,458 priority Critical patent/US9083087B2/en
Publication of WO2012000405A1 publication Critical patent/WO2012000405A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present application relates to the field of communications technologies, and in particular, to an antenna system switching method and a mobile terminal. Background technique
  • An antenna is an important radio device for transmitting and receiving electromagnetic waves. It is generally divided into a built-in antenna and an external antenna.
  • a mobile terminal such as a mobile phone usually has a built-in antenna.
  • a slider phone it contains two physical states, a closed state and a open state. Regardless of the state in which the work is performed, the antenna needs to meet certain index requirements.
  • the closed state due to the keyboard and other circuits acting as a metal medium, the antenna cannot be completely cleaned around the antenna, which affects the performance of the antenna. Therefore, in the prior art, the PIFA (The Planer Inverted-F) is used. Face down F) antenna.
  • PIFA The Planer Inverted-F
  • the slide phone of the prior art uses a PIFA antenna in both the closed state and the open state, and the radiation unit and the ground plane unit of the antenna are simultaneously located on the mobile phone.
  • the cover, or both, is located on the lower cover of the phone.
  • the PIFA antenna is composed of a radiating unit, an antenna feeding point, a ground feeding point and a ground plane unit.
  • the PIFA antenna radiates a signal to the space by forming a radiating cavity through the radiating unit and the ground plane unit.
  • it is necessary to reserve Antenna space the length, width and height of the space need to meet certain standards.
  • the thickness of the upper cover or the lower cover of the mobile phone needs to be greater than 10 to 11 mm to meet the requirement of the antenna height of 8 to 9 mm. Based on the above requirements, for the whole mobile phone, the overall The thickness will be difficult to meet the requirements of 13 to 14 mm. Summary of the invention
  • the purpose of the embodiment of the present application is to provide an antenna system switching method and a mobile terminal, so as to solve the problem that the antennas are all disposed on the same cover side of the terminal in the prior art, which makes it difficult to meet the overall thickness requirement of the terminal.
  • the embodiment of the present application provides the following technical solutions:
  • the method includes:
  • the first antenna system When the mobile terminal is in the first physical state, the first antenna system is in an active state, and when the mobile terminal is in the second physical state, the second antenna system is in an active state.
  • the mobile terminal composed of the first part and the second part is specifically: a sliding cover type mobile terminal or a flip type mobile terminal composed of an upper cover body where the display screen is located and a lower cover body where the host is located;
  • the first physical state and the second physical state include: an open state and a closed state.
  • An antenna unit is disposed in the upper cover body, and an antenna radiating unit is disposed in the lower cover body.
  • the first antenna system and the second antenna system share an antenna radiating element.
  • the first antenna system and the second antenna system are respectively any two of the following antenna systems: a PIFA antenna system, a monopole antenna system, and an inverted L-type antenna system.
  • the method is specifically:
  • the antenna radiating element operates as a monopole antenna system.
  • the detecting the working states of the upper cover and the lower cover includes:
  • the control antenna radiating unit and the antenna ground unit constitute a PIFA antenna system operation comprising: controlling a ground switch point of the radio frequency switch communication antenna and the antenna ground unit, and connecting the matching circuit and the antenna radiating unit through the antenna feed point.
  • the controlling the antenna radiating element to operate as a monopole antenna system includes:
  • the radio frequency switch is controlled to disconnect the ground feed point of the antenna from the antenna ground unit, and to connect the matching circuit and the antenna radiating unit through the antenna feed point.
  • a mobile terminal includes:
  • first antenna system and a second antenna system a first antenna system and a second antenna system, the first antenna system and the second antenna system being respectively used for radiating signals
  • a detecting unit connected to the first part and the second part, for detecting a physical state of the mobile terminal
  • a switching unit configured to be connected to the detecting unit, the first antenna system, and the second antenna system, respectively, configured to enable the first antenna system to be in an active state when the mobile terminal is in a first physical state, when the moving When the terminal is in the second physical state, the second antenna system is in an active state.
  • the mobile terminal composed of the first part and the second part is specifically: a sliding cover type mobile terminal or a flip type mobile terminal composed of an upper cover body where the display screen is located and a lower cover body where the host is located;
  • the first physical state and the second physical state include: an open state and a closed state; an antenna unit is disposed in the upper cover body, and an antenna radiating unit is disposed in the lower cover body, the first antenna system and the second antenna An antenna system sharing the antenna radiating element;
  • the first antenna system and the second antenna system are respectively any two of the following antenna systems: a PIFA antenna system, a monopole antenna system, and an inverted L-type antenna system.
  • the detecting unit is specifically configured to detect an working state of the upper cover body and the lower cover body; the switching unit is specifically configured to control the antenna radiating unit when the upper cover body and the lower cover body are in a closed state
  • the antenna unit constitutes a PIFA antenna system, and when the upper cover and the lower cover are in an open state, the antenna radiating unit is controlled to operate as a monopole antenna system.
  • the detecting unit includes:
  • a signal receiving unit configured to receive a trigger signal when the upper cover body and the lower cover body change relative positions
  • a state determining unit configured to determine an operating state of the upper cover and the lower cover according to the trigger signal.
  • the switching unit includes:
  • a first control unit configured to control a ground switch point of the radio frequency switch to communicate with the antenna and the antenna ground unit when the upper cover body and the lower cover body are in a closed state, and connect the matching circuit and the antenna through the antenna feed point Radiation unit
  • a second control unit configured to control radio frequency when the upper cover body and the lower cover body are in an open state
  • the switch disconnects the ground feed point of the antenna from the ground unit of the antenna, and connects the matching circuit and the antenna radiating unit through the antenna feed point.
  • the mobile terminal provided in the embodiment of the present application is composed of a first part and a second part, and the mobile terminal has a first physical state and a second according to different relative positions of the first part and the second part.
  • a physical state the mobile terminal includes a first antenna system and a second antenna system, when the mobile terminal is detected to be in the first physical state, the first antenna system is in an active state, and when detecting that the mobile terminal is in the second physical state, The second antenna system is in operation.
  • the mobile terminal works through different first antenna systems and second antenna systems according to different physical states, instead of working through a single antenna system as in the prior art, Different antenna systems are used, so that the antenna unit and the antenna radiating unit can be respectively located on different parts of the mobile terminal, and the mobile terminal is light and thin, and the requirements of the antenna height for the mobile terminal are satisfied.
  • FIG. 1 is a flowchart of a first embodiment of a method for switching an antenna system according to the present application
  • FIG. 2 is a flow chart of a second embodiment of a method for switching an antenna system according to the present application
  • FIG. 3A is a schematic view showing a state in which a slider phone according to an embodiment of the present application is closed;
  • FIG. 3B is a schematic structural view of a PIFA antenna system in a slider phone according to an embodiment of the present application;
  • FIG. 4A is a schematic view showing a state in which a slider phone of the embodiment of the present application is applied to a sliding cover
  • FIG. 4B is a schematic structural view of a monopole antenna system in a slider phone according to an embodiment of the present application
  • FIG. 5 is a block diagram of a mobile terminal according to an embodiment of the present application. detailed description
  • some embodiments provide an antenna system switching method, and some embodiments provide a mobile terminal.
  • the mobile terminal in the embodiment of the present application is structurally composed of a first part and a second part, and the shift The mobile terminal has a first physical state and a second physical state according to different relative positions of the first portion and the second portion, and the mobile terminal further includes a first antenna system and a second antenna system.
  • FIG. 1 a flowchart of a first embodiment of a method for switching an antenna system according to the present application is as follows:
  • Step 101 Detect a physical state of the mobile terminal.
  • the mobile terminal in the embodiment of the present application may be specifically a flip phone or a slide phone.
  • the characteristics of the two mobile phones are that the relative position between the first part where the display screen is located and the second part where the host is located may change.
  • the first part is also called the upper cover of the mobile phone
  • the second part where the main unit is located is also called the lower cover of the mobile phone.
  • the physical state of the slider phone includes a slide open state and a closed state
  • the physical state of the flip phone includes a flip open state and a closed state. Taking the slider phone as an example, in order to avoid that the antenna unit and the antenna radiating unit are simultaneously disposed on the same cover in the prior art, it is difficult to meet the thin and light requirements.
  • the antenna unit is disposed in the upper cover body, and at the same time
  • the antenna radiating unit is disposed in the cover body, and since the antenna ground unit and the antenna radiating unit are respectively located in different covers, the thickness of the entire mobile phone can be reduced.
  • the first antenna system and the second antenna system may respectively be provided with independent antenna radiation units, and the first antenna system and the second antenna system may also share the antenna radiation unit.
  • the first antenna system and the second antenna system may be any two of the following antenna systems: a PIFA antenna system, a monopole antenna system, and an inverted L-type antenna system.
  • Step 102 When detecting that the mobile terminal is in the first physical state, the first antenna system is in an active state, and when detecting that the mobile terminal is in the second physical state, the second antenna system is in an active state.
  • the mobile terminal composed of the first part and the second part in the embodiment of the present application may specifically be a sliding cover type mobile terminal or a flip type mobile terminal composed of an upper cover body where the display screen is located and a lower cover body where the host is located;
  • the first physical state and the second physical state may be an open state and a closed state respectively.
  • the slide type mobile terminal specifically, a slide open state and a closed cover state
  • the flip type mobile terminal specifically, the flip open State and closed state.
  • an antenna unit is disposed in the upper cover body, and an antenna radiating unit is disposed in the lower cover body, and the first antenna system and the second antenna system may share the antenna radiating unit, since the antenna ground unit and the antenna radiating unit are not In the same cover body, the thickness of the mobile terminal can be reduced.
  • the working first antenna system can be specifically a PIFA antenna system.
  • Step 201 Receive a trigger signal when the upper cover and the lower cover change the relative position.
  • Step 202 Determine the working state of the upper cover body and the lower cover body according to the trigger signal. If it is in the closed state, go to step 203; if it is in the open state, go to step 204.
  • Step 203 Control the RF switch to connect the ground feed point and the antenna ground unit of the antenna, and connect the matching circuit and the antenna radiating unit through the antenna feed point to end the current process.
  • the antenna radiating unit and the antenna ground unit constitute a PIFA antenna system.
  • Step 204 Control the RF switch to disconnect the ground feed point of the antenna and the antenna ground unit, and connect the matching circuit and the antenna radiating unit through the antenna feed point to end the current process.
  • the antenna radiating element operates as a monopole antenna system at this time.
  • FIG. 3A is a schematic diagram of a state in which a slider phone according to an embodiment of the present application is closed
  • FIG. 3B is a structure of a PIFA antenna system in a slider phone to which an embodiment of the present application is applied.
  • the slider phone at this time is in a closed state, wherein the antenna unit is disposed on the upper cover of the slider phone, and the antenna radiating unit is disposed on the lower cover of the slider phone, thereby utilizing the upper cover
  • the thickness of the body is such that the height of the antenna between the antenna unit and the antenna radiating unit easily satisfies the requirement of 8 to 9 mm, and the thickness of the entire slider phone can be only 10 to 11 mm, instead of being covered as in the prior art.
  • the thickness of the body or lower cover needs to be 10 to 11 mm.
  • the antenna ground unit and the antenna radiating unit constitute a PIFA antenna system for operation.
  • the slider mobile phone works under the PIFA antenna system, wherein the RF front end output module is connected to the antenna radiation module through the matching circuit module, and is connected between the matching circuit module and the antenna radiation module through the antenna feed point module, and the antenna ground module
  • the RF switch module is connected to the antenna radiating module, and a ground feed point module is disposed between the RF switch module and the antenna radiating module.
  • the antenna feed point module is set according to the impedance characteristic of the antenna, so that the impedance of the antenna reaches 50 ohms, and the position of the feed point of selecting an appropriate antenna can be realized by simulation calculation, which is consistent with the prior art. I will not repeat them here.
  • FIG. 4A is a slider mobile phone to which the embodiment of the present application is applied.
  • FIG. 4B is a schematic diagram showing the structure of a monopole antenna system in a slider phone according to an embodiment of the present application:
  • the slider phone at this time is in an open state, wherein the antenna unit is disposed on the upper cover of the slider phone, and the antenna radiating unit is disposed on the lower cover of the slider phone. It is disconnected from the antenna unit, so that in the open state, the antenna radiating unit constitutes a monopole antenna system to operate.
  • the slider phone works under the monopole antenna system.
  • the antenna unit provided in the upper cover of the slider phone is away from the antenna radiation unit located in the lower cover body, and the clearance condition is reached around the antenna, that is, around the antenna.
  • the monopole antenna is an antenna composed of a straight conductor directly mounted on the reflection plane (ie, the bottom surface of the lower cover body), and the root is connected to the feed line.
  • the cover mobile phone When the cover mobile phone enters the open state from the closed state, when the cover signal detecting module detects that the slide mobile phone is in the open state, the RF switch is controlled from closed to open, and the antenna ground unit and the ground feed point module are Disconnected, the antenna ground unit and the antenna radiating unit cannot form a P IFA antenna system, but the antenna feed point module maintains the connection between the matching circuit and the antenna radiating unit to form a monopole antenna system to operate.
  • the present application also provides an embodiment of the mobile terminal.
  • FIG. 5 it is a block diagram of a mobile terminal according to an embodiment of the present application.
  • the mobile terminal includes: a first portion 51 0, a second portion 520, a first antenna system 530, a second antenna system 540, a detecting unit 550, and a switching unit 560.
  • the first portion 510 and the second portion 520 are connected, and the mobile terminal has a first physical state and a second physical state according to the difference in relative positions of the first portion 510 and the second portion 520; the first antenna system 530 and the second antenna System 540 is for radiating signals, respectively;
  • a detecting unit 550 connected to the first portion 51 0 and the second portion 520, for detecting a physical state of the mobile terminal;
  • the switching unit 560 is respectively connected to the detecting unit 550, the first antenna system 530, and the second antenna system 540, and is configured to enable the first antenna system 530 to be in a working state when the mobile terminal is in the first physical state, when the mobile terminal When in the second physical state, the second antenna system 540 is placed in an active state.
  • the mobile terminal composed of the first portion 510 and the second portion 520 may be specifically: a sliding cover type mobile terminal or a flip type composed of an upper cover body where the display screen is located and a lower cover body where the main body is located
  • the mobile terminal; the first physical state and the second physical state include: an open state and a closed state.
  • an antenna unit is disposed in the upper cover body, and an antenna radiating unit is disposed in the lower cover body; the first antenna system and the second antenna system may share the antenna radiating unit, or may separately set respective antenna radiating units;
  • the first antenna system and the second antenna system are respectively any two of the following antenna systems: a PIFA antenna system, a monopole antenna system, and an inverted L antenna system.
  • the detecting unit 550 is specifically configured to detect an working state of the upper cover body and the lower cover body.
  • the switching unit 560 is specifically configured to control the antenna radiation when the upper cover body and the lower cover body are in a closed state.
  • the unit and the antenna unit constitute a PIFA antenna system, and when the upper cover and the lower cover are in an open state, the antenna radiating unit is controlled to operate as a monopole antenna system.
  • the detecting unit 550 may include: (not shown in FIG. 5): a signal receiving unit, configured to receive a trigger signal when the upper cover and the lower cover are changed in a relative position; and a state determining unit, configured to: Determining an operating state of the upper cover and the lower cover according to the trigger signal.
  • the switching unit may include: (not shown in FIG. 5): a first control unit, configured to control a grounding point of the radio frequency switch to communicate with the antenna when the upper cover and the lower cover are in a closed state, and An antenna ground unit, and a matching circuit and an antenna radiating unit are connected through the antenna feeding point; and a second control unit is configured to control the ground switch of the antenna switch to disconnect the antenna when the upper cover body and the lower cover body are in an open state A connection between the point and the antenna unit, and a matching circuit and the antenna radiating unit are connected through the antenna feed point.
  • the mobile terminal of the embodiment of the present application is composed of a first part and a second part.
  • the mobile terminal has a first physical state and a second physical state according to different relative positions of the first part and the second part.
  • the mobile terminal includes a first antenna system and a second antenna system. When detecting that the mobile terminal is in the first physical state, the first antenna system is in an active state, and when detecting that the mobile terminal is in the second physical state, the second antenna is enabled. The system is working.
  • the mobile terminal works through different first antenna systems and second antenna systems according to different physical states, instead of working through a single antenna system as in the prior art, Different antenna systems are used, so that the antenna unit and the antenna radiating unit can be respectively located on different parts of the mobile terminal, and the mobile terminal is light and thin, and the requirements of the antenna height for the mobile terminal are satisfied.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
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  • Telephone Function (AREA)
  • Details Of Aerials (AREA)

Abstract

本申请实施例公开了天线系统切换方法及移动终端，该移动终端包括第一部分和第二部分，第一天线系统和第二天线系统，移动终端根据第一部分和第二部分的相对位置的不同具有第一物理状态和第二物理状态，该方法包括：检测所述移动终端的物理状态；当所述移动终端处于第一物理状态时，使所述第一天线系统处于工作状态，当所述移动终端处于第二物理状态时，使所述第二天线系统处于工作状态。本申请实施例中，移动终端根据其所处物理状态的不同，通过不同的第一天线系统和第二天线系统工作，因此使得天线地单元和天线辐射单元可以分别位于移动终端的不同部分上，在实现了移动终端轻薄的同时，满足了移动终端对于天线高度的要求。

Description

天线系统切换方法及移动终端 技术领域
本申请涉及通信技术领域， 特别涉及天线系统切换方法及移动终端。 背景技术
天线是发射和接收电磁波的重要的无线电设备，一般分为内置天线和外 置天线两种， 现有技术中对于手机这类移动终端来说通常以内置天线为主。 对于滑盖手机来说， 其包含两种物理状态， 分别为合盖状态和开盖状态， 无 论工作在哪种状态下， 天线都需要达到一定的指标要求。 其中， 在合盖状态 下， 由于有键盘以及其它电路作为金属介质， 导致天线周围无法完全净空， 影响天线的性能， 因此现有技术中釆用相对于地的 PIFA ( The Planer Inverted-F, 平面倒 F )天线。
发明人在对现有技术的研究过程中发现， 现有技术中的滑盖手机， 其在 合盖状态与开盖状态下均使用 PIFA天线， 天线的辐射单元与地平面单元同 时位于手机的上盖体， 或者同时位于手机的下盖体。 该 PIFA天线由辐射单 元、 天线馈点、地馈点以及地平面单元组成， PIFA天线是通过辐射单元与地 平面单元形成辐射腔体向空间辐射信号， 要达到天线的辐射性能， 就需要预 留天线空间， 该空间的长、 宽、 高需要达到一定的标准。 随着通信技术的发 展， 对终端频段的要求日益增多， 相应的天线高度也越来越高， 而同时用户 又希望所携带的终端具有轻薄的特点， 因此上述天线高度与终端轻薄之间存 在矛盾。 通常为了满足天线的辐射效率， 手机上盖体或者下盖体的厚度需要 大于 10至 11毫米， 才能满足天线高度达到 8至 9毫米的要求， 基于上述要 求， 对于手机整机来说， 其总体厚度将难以满足 13至 14毫米的要求。 发明内容
本申请实施例的目的在于提供天线系统切换方法及移动终端，以解决现 有技术中天线均设置在终端的同一盖体侧， 导致难以满足终端整体厚度要求 的问题。
为解决上述技术问题， 本申请实施例提供如下技术方案：
一种天线系统切换方法， 应用于由第一部分和第二部分组成的移动终 端， 所述移动终端根据所述第一部分和第二部分的相对位置的不同具有第一 物理状态和第二物理状态， 其特征在于， 所述移动终端包括第一天线系统和 第二天线系统， 所述方法包括：
检测所述移动终端的物理状态；
当所述移动终端处于第一物理状态时，使所述第一天线系统处于工作状 态， 当所述移动终端处于第二物理状态时， 使所述第二天线系统处于工作状 态。
所述由第一部分和第二部分组成的移动终端具体为：由显示屏所在的上 盖体和由主机所在的下盖体组成的滑盖式移动终端或翻盖式移动终端；
所述第一物理状态和第二物理状态包括： 开启状态和闭合状态。
在所述上盖体内设置天线地单元， 在所述下盖体内设置天线辐射单元。 所述第一天线系统和第二天线系统共用天线辐射单元。
所述第一天线系统和所述第二天线系统分别为下述天线系统中的任意 两个： PIFA天线系统、 单极天线系统、 倒 L型天线系统。
当所述第一天线系统和第二天线系统分别为 PIFA天线系统和单极天线 系统时， 所述方法具体为：
检测所述上盖体和下盖体的工作状态；
当所述上盖体和下盖体处于闭合状态时，控制所述天线辐射单元和所述 天线地单元组成 PIFA天线系统工作， 当所述上盖体和下盖体处于开启状态 时， 控制所述天线辐射单元作为单极天线系统工作。
所述检测上盖体和下盖体的工作状态包括：
接收所述上盖体和下盖体在改变相对位置时的触发信号；
根据所述触发信号确定所述上盖体和下盖体的工作状态。
所述控制天线辐射单元和天线地单元组成 PIFA天线系统工作包括： 控制射频开关连通天线的地馈点和所述天线地单元，以及通过天线馈点 连通匹配电路与所述天线辐射单元。
所述控制天线辐射单元作为单极天线系统工作包括：
控制射频开关断开天线的地馈点和所述天线地单元的连接，以及通过天 线馈点连通匹配电路与所述天线辐射单元。
一种移动终端， 包括：
第一部分以及与所述第一部分连接的第二部分，根据所述第一部分和第 二部分相对位置的不同使得所述移动终端具有第一物理状态和第二物理状 态；
第一天线系统和第二天线系统，所述第一天线系统和第二天线系统分别 用于辐射信号；
检测单元， 与所述第一部分和第二部分连接， 用于检测所述移动终端的 物理状态；
切换单元， 分别与所述检测单元、 第一天线系统和第二天线系统相连， 用于当所述移动终端处于第一物理状态时，使所述第一天线系统处于工作状 态， 当所述移动终端处于第二物理状态时， 使所述第二天线系统处于工作状 态。
所述由第一部分和第二部分组成的移动终端具体为：由显示屏所在的上 盖体和由主机所在的下盖体组成的滑盖式移动终端或翻盖式移动终端；
所述第一物理状态和第二物理状态包括： 开启状态和闭合状态； 在所述上盖体内设置天线地单元， 在所述下盖体内设置天线辐射单元， 所述第一天线系统和第二天线系统共用所述天线辐射单元；
所述第一天线系统和所述第二天线系统分别为下述天线系统中的任意 两个： PIFA天线系统、 单极天线系统、 倒 L型天线系统。
所述检测单元具体用于检测所述上盖体和下盖体的工作状态； 所述切换单元具体用于当所述上盖体和下盖体处于闭合状态时，控制所 述天线辐射单元和所述天线地单元组成 PIFA天线系统工作， 当所述上盖体 和下盖体处于开启状态时， 控制所述天线辐射单元作为单极天线系统工作。
所述检测单元包括：
信号接收单元，用于接收所述上盖体和下盖体在改变相对位置时的触发 信号；
状态确定单元，用于根据所述触发信号确定所述上盖体和下盖体的工作 状态。
所述切换单元包括：
第一控制单元， 用于当所述上盖体和下盖体处于闭合状态时， 控制射频 开关连通天线的地馈点和所述天线地单元， 以及通过天线馈点连通匹配电路 与所述天线辐射单元；
第二控制单元， 用于当所述上盖体和下盖体处于开启状态时， 控制射频 开关断开天线的地馈点和所述天线地单元的连接， 以及通过天线馈点连通匹 配电路与所述天线辐射单元。
由以上本申请实施例提供的技术方案可见，本申请实施例的移动终端由 第一部分和第二部分组成，根据第一部分和第二部分的相对位置的不同移动 终端具有第一物理状态和第二物理状态，移动终端包括第一天线系统和第二 天线系统， 当检测到移动终端处于第一物理状态时， 使第一天线系统处于工 作状态， 当检测到移动终端处于第二物理状态时， 使第二天线系统处于工作 状态。 本申请实施例中， 移动终端根据其所处物理状态的不同， 通过不同的 第一天线系统和第二天线系统工作， 而不是如现有技术那样通过单一天线系 统进行工作， 由于移动终端内釆用了不同的天线系统， 因此使得天线地单元 和天线辐射单元可以分别位于移动终端的不同部分上，在实现了移动终端轻 薄的同时， 满足了移动终端对于天线高度的要求。 附图说明
图 1为本申请天线系统切换方法的第一实施例流程图；
图 2为本申请天线系统切换方法的第二实施例流程图；
图 3A为应用本申请实施例的一种滑盖手机在合盖时的状态示意图； 图 3B为应用本申请实施例的一种滑盖手机内的 PIFA天线系统结构示意 图；
图 4A为应用本申请实施例的一种滑盖手机在滑盖时的状态示意图； 图 4B为应用本申请实施例的一种滑盖手机内的单极天线系统结构示意 图；
图 5为本申请实施例的移动终端的框图。 具体实施方式
在如下本申请的多个实施例中， 有些实施例提供了天线系统切换方法 , 有些实施例提供了移动终端。
为了使本技术领域的人员更好地理解本申请实施例中的技术方案，并使 本申请实施例的上述目的、 特征和优点能够更加明显易懂， 下面结合附图对 本申请实施例中技术方案作进一步详细的说明。
本申请实施例中的移动终端在结构上由第一部分和第二部分组成，该移 动终端根据第一部分和第二部分的相对位置的不同具有第一物理状态和第 二物理状态， 并且该移动终端内还包括第一天线系统和第二天线系统。
参见图 1 , 为本申请天线系统切换方法的第一实施例流程图：
步骤 101 : 检测移动终端的物理状态。
本申请实施例中的移动终端可以具体为翻盖手机或滑盖手机，这两种手 机的特点在于显示屏所在的第一部分和主机所在的第二部分之间的相对位 置可以发生变化， 其中显示屏所在的第一部分也称为手机的上盖体， 主机所 在的第二部分也称为手机的下盖体。 其中， 滑盖手机的物理状态包括滑盖开 启状态和闭合状态， 翻盖手机的物理状态包括翻盖开启状态和闭合状态。 以 滑盖手机为例， 为了避免现有技术中将天线地单元和天线辐射单元同时设置 在同一盖体上导致难以满足轻薄要求， 本申请实施例中在上盖体内设置天线 地单元， 同时在下盖体内设置天线辐射单元， 由于天线地单元和天线辐射单 元分别位于不同的盖体， 因此可以减少整个手机的厚度。
本申请实施例中，第一天线系统和第二天线系统可以分别设置独立的天 线辐射单元， 第一天线系统和第二天线系统也可以共用天线辐射单元。
本申请实施例中，第一天线系统和第二天线系统可以分别为下述天线系 统中的任意两个： PIFA天线系统、 单极天线系统、 倒 L型天线系统。
步骤 102: 当检测到移动终端处于第一物理状态时， 使第一天线系统处 于工作状态， 当检测到移动终端处于第二物理状态时， 使第二天线系统处于 工作状态。
本申请实施例中由第一部分和第二部分组成的移动终端可以具体为由 显示屏所在的上盖体和由主机所在的下盖体组成的滑盖式移动终端或翻盖 式移动终端； 基于上述移动终端， 其第一物理状态和第二物理状态可以分别 为开启状态和闭合状态， 对于滑盖式移动终端， 具体为滑盖开启状态和合盖 闭合状态， 对于翻盖式移动终端， 具体为翻盖开启状态和合盖闭合状态。 在 上述结构的移动终端内， 在上盖体内设置天线地单元， 在下盖体内设置天线 辐射单元， 第一天线系统和第二天线系统可以共用该天线辐射单元， 由于天 线地单元和天线辐射单元不在同一个盖体内， 因此可以减少移动终端的厚 度， 其中， 移动终端处于开启状态时， 工作的第一天线系统可以具体为 PIFA 天线系统， 移动终端处于闭合状态时， 第二天线系统具体可以具体为单极天 线系统。 参见图 2 , 为本申请天线系统切换方法的第二实施例流程图， 该实施例 以滑盖手机为例， 描述了该手机内天线系统的切换过程， 其中天线系统具体 为 PIFA天线系统和单极天线系统：
步骤 201 : 接收上盖体和下盖体在改变相对位置时的触发信号。
步骤 202 : 根据触发信号判断上盖体和下盖体的工作状态， 若为闭合状 态， 则执行步骤 203 ; 若为开启状态， 则执行步骤 204。
步骤 203: 控制射频开关连通天线的地馈点和天线地单元， 以及通过天 线馈点连通匹配电路与天线辐射单元， 结束当前流程。
此时天线辐射单元和天线地单元组成 PIFA天线系统工作。
步骤 204 : 控制射频开关断开天线的地馈点和天线地单元的连接， 以及 通过天线馈点连通匹配电路与天线辐射单元， 结束当前流程。
此时天线辐射单元作为单极天线系统工作。
参见图 3A和图 3B, 其中图 3A为应用本申请实施例的一种滑盖手机在 合盖时的状态示意图， 图 3B为应用本申请实施例的一种滑盖手机内的 PIFA 天线系统结构示意图：
从图 3A中可知， 此时的滑盖手机处于合盖状态， 其中天线地单元设置 在滑盖手机的上盖体， 天线辐射单元设置在滑盖手机的下盖体， 由此利用了 上盖体的厚度使得天线地单元和天线辐射单元之间的天线高度容易满足 8至 9毫米的要求， 整个滑盖手机的厚度也只需 10至 11毫米即可， 而不是如现 有技术那样上盖体或下盖体的厚度就需要达到 10至 11毫米。在合盖状态下， 天线地单元和天线辐射单元组成 PIFA天线系统进行工作。
图 3B中滑盖手机工作在 PIFA天线系统下， 其中，射频前端输出模块通 过匹配电路模块与天线辐射模块相连， 在匹配电路模块和天线辐射模块之间 还通过天线馈点模块连接， 天线地模块通过射频开关模块与天线辐射模块连 接，在射频开关模块与天线辐射模块之间设置有地馈点模块。在工作过程中， 当合盖信号检测模块检测到滑盖手机处于合盖状态时， 则控制射频开关闭 合， 此时天线地模块通过射频开关模块与天线辐射模块组成 PIFA天线系统 进行工作。 在 PIFA天线系统工作时， 根据天线的阻抗特性设置天线地馈点 模块， 使得天线的阻抗达到 50欧姆， 选择合适的天线地馈点的位置可以通 过仿真计算实现， 这一点与现有技术一致， 在此不再赘述。
参见图 4A和图 4B, 其中图 4A为应用本申请实施例的一种滑盖手机在 滑盖时的状态示意图， 图 4B为应用本申请实施例的一种滑盖手机内的单极 天线系统结构示意图：
从图 4A中可知， 此时的滑盖手机处于开盖状态， 其中天线地单元设置 在滑盖手机的上盖体， 天线辐射单元设置在滑盖手机的下盖体， 此时由于天 线辐射单元和天线地单元断开连接， 因此在开盖状态下， 由天线辐射单元组 成单极天线系统进行工作。
图 4B中滑盖手机工作在单极天线系统下， 此时滑盖手机的上盖体内设 置的天线地单元远离了位于下盖体内的天线辐射单元， 天线周围达到了净空 条件， 即天线周围 1 0毫米以内没有金属介质， 天线工作在单极状态下， 单 极天线是一种由直接垂直安装在反射平面（即下盖体底面）上的直导体组成 的天线， 其根部接馈线。 在滑盖手机从合盖状态进入开盖状态时， 合盖信号 检测模块检测到滑盖手机处于开盖状态时， 则控制射频开关从闭合到断开， 此时天线地单元与地馈点模块之间断开连接， 天线地单元与天线辐射单元无 法组成 P IFA天线系统工作， 而是由天线馈点模块保持匹配电路与天线辐射 单元之间的连接， 组成单极天线系统进行工作。
与本申请天线系统切换方法的实施例相对应 ,本申请还提供了移动终端 的实施例。
参见图 5 , 为本申请实施例的移动终端的框图。
该移动终端包括： 第一部分 51 0、 第二部分 520、 第一天线系统 530、 第二天线系统 540、 检测单元 550和切换单元 560。
其中， 第一部分 51 0和第二部分 520连接，根据第一部分 51 0和第二部 分 520相对位置的不同使得移动终端具有第一物理状态和第二物理状态； 第一天线系统 530和第二天线系统 540分别用于辐射信号；
检测单元 550 , 与第一部分 51 0和第二部分 520连接， 用于检测移动终 端的物理状态；
切换单元 560 , 分别与检测单元 550、 第一天线系统 5 30和第二天线系 统 540相连接， 用于当移动终端处于第一物理状态时， 使第一天线系统 530 处于工作状态， 当移动终端处于第二物理状态时， 使第二天线系统 540处于 工作状态。
上述由第一部分 51 0和第二部分 520组成的移动终端可以具体为：由显 示屏所在的上盖体和由主机所在的下盖体组成的滑盖式移动终端或翻盖式 移动终端； 上述第一物理状态和第二物理状态包括： 开启状态和闭合状态。 具体的， 在上盖体内设置天线地单元， 在下盖体内设置天线辐射单元； 所述 第一天线系统和第二天线系统可以共用所述天线辐射单元，也可以独立设置 各自的天线辐射单元； 所述第一天线系统和所述第二天线系统分别为下述天 线系统中的任意两个： PIFA天线系统、 单极天线系统、 倒 L型天线系统。
所述检测单元 550具体用于检测所述上盖体和下盖体的工作状态； 所述切换单元 560具体用于当所述上盖体和下盖体处于闭合状态时，控 制所述天线辐射单元和所述天线地单元组成 PIFA天线系统工作， 当所述上 盖体和下盖体处于开启状态时，控制所述天线辐射单元作为单极天线系统工 作。
具体的， 所述检测单元 550可以包括（图 5中未示出）： 信号接收单元， 用于接收所述上盖体和下盖体在改变相对位置时的触发信号； 状态确定单 元， 用于根据所述触发信号确定所述上盖体和下盖体的工作状态。
具体的， 切换单元可以包括（图 5中未示出）： 第一控制单元， 用于当 所述上盖体和下盖体处于闭合状态时，控制射频开关连通天线的地馈点和所 述天线地单元， 以及通过天线馈点连通匹配电路与所述天线辐射单元； 第二 控制单元， 用于当所述上盖体和下盖体处于开启状态时， 控制射频开关断开 天线的地馈点和所述天线地单元的连接， 以及通过天线馈点连通匹配电路与 所述天线辐射单元。
通过以上的实施例的描述可知，本申请实施例的移动终端由第一部分和 第二部分组成，根据第一部分和第二部分的相对位置的不同移动终端具有第 一物理状态和第二物理状态， 移动终端包括第一天线系统和第二天线系统， 当检测到移动终端处于第一物理状态时， 使第一天线系统处于工作状态， 当 检测到移动终端处于第二物理状态时， 使第二天线系统处于工作状态。 本申 请实施例中， 移动终端根据其所处物理状态的不同， 通过不同的第一天线系 统和第二天线系统工作， 而不是如现有技术那样通过单一天线系统进行工 作， 由于移动终端内釆用了不同的天线系统， 因此使得天线地单元和天线辐 射单元可以分别位于移动终端的不同部分上， 在实现了移动终端轻薄的同 时， 满足了移动终端对于天线高度的要求。
本领域的技术人员可以清楚地了解到本申请实施例中的技术可借助软 件加必需的通用硬件平台的方式来实现。 基于这样的理解， 本申请实施例中 的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形 式体现出来， 该计算机软件产品可以存储在存储介质中， 如 R0M/RAM、磁碟、 光盘等， 包括若干指令用以使得一台计算机设备（可以是个人计算机， 服务 器， 或者网络设备等）执行本申请各个实施例或者实施例的某些部分所述的 方法。
本说明书中的各个实施例均釆用递进的方式描述，各个实施例之间相同 相似的部分互相参见即可，每个实施例重点说明的都是与其他实施例的不同 之处。 尤其， 对于系统实施例而言， 由于其基本相似于方法实施例， 所以描 述的比较简单， 相关之处参见方法实施例的部分说明即可。
以上所述的本申请实施例， 并不构成对本申请保护范围的限定。任何在 本申请的精神和原则之内所作的修改、 等同替换和改进等， 均应包含在本申 请的保护范围之内。

Claims

权利要求书
1. 一种天线系统切换方法， 应用于由第一部分和第二部分组成的移动 终端， 所述移动终端根据所述第一部分和第二部分的相对位置的不同具有第 一物理状态和第二物理状态， 其中， 所述移动终端包括第一天线系统和第二 天线系统， 所述方法包括：
检测所述移动终端的物理状态；
当所述移动终端处于第一物理状态时，使所述第一天线系统处于工作状 态， 当所述移动终端处于第二物理状态时， 使所述第二天线系统处于工作状 态。
2. 根据权利要求 1所述的方法， 其中， 所述由第一部分和第二部分组 成的移动终端具体为： 由显示屏所在的上盖体和由主机所在的下盖体组成的 滑盖式移动终端或翻盖式移动终端；
所述第一物理状态和第二物理状态包括： 开启状态和闭合状态。
3. 根据权利要求 2所述的方法， 其中， 在所述上盖体内设置天线地单 元， 在所述下盖体内设置天线辐射单元。
4. 根据权利要求 1所述的方法， 其中， 所述第一天线系统和第二天线 系统共用天线辐射单元。
5. 根据权利要求 1所述的方法， 其中， 所述第一天线系统和所述第二 天线系统分别为下述天线系统中的任意两个： PIFA天线系统、单极天线系统、 倒 L型天线系统。
6. 根据权利要求 3所述的方法， 其中， 当所述第一天线系统和所述第 二天线系统分别为 PIFA天线系统和单极天线系统时， 所述方法具体为： 检测所述上盖体和下盖体的工作状态；
当所述上盖体和下盖体处于闭合状态时，控制所述天线辐射单元和所述 天线地单元组成 PIFA天线系统工作， 当所述上盖体和下盖体处于开启状态 时， 控制所述天线辐射单元作为单极天线系统工作。
7. 根据权利要求 6所述的方法， 其中， 所述检测上盖体和下盖体的工 作状态包括：
接收所述上盖体和下盖体在改变相对位置时的触发信号；
根据所述触发信号确定所述上盖体和下盖体的工作状态。
8. 根据权利要求 6所述的方法， 其中， 所述控制天线辐射单元和天线 地单元组成 P IFA天线系统工作包括：
控制射频开关连通天线的地馈点和所述天线地单元，以及通过天线馈点 连通匹配电路与所述天线辐射单元。
9. 根据权利要求 6所述的方法， 其中， 所述控制天线辐射单元作为单 极天线系统工作包括：
控制射频开关断开天线的地馈点和所述天线地单元的连接，以及通过天 线馈点连通匹配电路与所述天线辐射单元。
10. 一种移动终端， 包括：
第一部分以及与所述第一部分连接的第二部分，根据所述第一部分和第 二部分相对位置的不同使得所述移动终端具有第一物理状态和第二物理状 态；
第一天线系统和第二天线系统，所述第一天线系统和第二天线系统分别 用于辐射信号；
检测单元， 与所述第一部分和第二部分连接， 用于检测所述移动终端的 物理状态；
切换单元， 分别与所述检测单元、 第一天线系统和第二天线系统相连， 用于所述移动终端处于第一物理状态时， 使所述第一天线系统处于工作状 态， 当所述移动终端处于第二物理状态时， 使所述第二天线系统处于工作状 态。
11. 根据权利要求 10所述的移动终端， 其中， 所述由第一部分和第二 部分组成的移动终端具体为： 由显示屏所在的上盖体和由主机所在的下盖体 组成的滑盖式移动终端或翻盖式移动终端；
所述第一物理状态和第二物理状态包括： 开启状态和闭合状态； 在所述上盖体内设置天线地单元， 在所述下盖体内设置天线辐射单元， 所述第一天线系统和第二天线系统共用所述天线辐射单元；
所述第一天线系统和所述第二天线系统分别为下述天线系统中的任意 两个： PIFA天线系统、 单极天线系统、 倒 L型天线系统。
12. 根据权利要求 11所述的移动终端， 其中，
所述检测单元具体用于检测所述上盖体和下盖体的工作状态； 所述切换单元具体用于当所述上盖体和下盖体处于闭合状态时，控制所 述天线辐射单元和所述天线地单元组成 PIFA天线系统工作， 当所述上盖体 和下盖体处于开启状态时， 控制所述天线辐射单元作为单极天线系统工作。
13. 根据权利要求 12所述的移动终端， 其中， 所述检测单元包括： 信号接收单元，用于接收所述上盖体和下盖体在改变相对位置时的触发 信号；
状态确定单元，用于根据所述触发信号确定所述上盖体和下盖体的工作 状态。
14. 根据权利要求 12所述的移动终端， 其中， 所述切换单元包括： 第一控制单元， 用于当所述上盖体和下盖体处于闭合状态时， 控制射频 开关连通天线的地馈点和所述天线地单元， 以及通过天线馈点连通匹配电路 与所述天线辐射单元；
第二控制单元， 用于当所述上盖体和下盖体处于开启状态时， 控制射频 开关断开天线的地馈点和所述天线地单元的连接， 以及通过天线馈点连通匹 配电路与所述天线辐射单元。
PCT/CN2011/076306 2010-06-30 2011-06-24 天线系统切换方法及移动终端 Ceased WO2012000405A1 (zh)

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