WO2014032459A1 - 一种手机三合一天线装置及移动终端 - Google Patents

一种手机三合一天线装置及移动终端 Download PDF

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Publication number
WO2014032459A1
WO2014032459A1 PCT/CN2013/077644 CN2013077644W WO2014032459A1 WO 2014032459 A1 WO2014032459 A1 WO 2014032459A1 CN 2013077644 W CN2013077644 W CN 2013077644W WO 2014032459 A1 WO2014032459 A1 WO 2014032459A1
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WIPO (PCT)
Prior art keywords
antenna
wifi
gps
segment
radio frequency
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PCT/CN2013/077644
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English (en)
French (fr)
Inventor
何丽
Original Assignee
惠州Tcl移动通信有限公司
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Filing date
Publication date
Application filed by 惠州Tcl移动通信有限公司 filed Critical 惠州Tcl移动通信有限公司
Priority to EP13833530.2A priority Critical patent/EP2894713B1/en
Priority to US14/389,262 priority patent/US20150045089A1/en
Priority to ES13833530T priority patent/ES2737048T3/es
Publication of WO2014032459A1 publication Critical patent/WO2014032459A1/zh

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    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components

Definitions

  • the present invention relates to the field of radio, and in particular to a mobile phone three-in-one antenna device and a mobile terminal.
  • GPS Global Positioning
  • BT Bluetooth Tooth
  • WiFi Wireless Fidelity
  • More and more mobile phones have more than one main antenna, and many auxiliary antennas, such as GPS antennas and BT antennas.
  • WiFi antenna the space left for the antenna inside the mobile phone is very limited, and these antennas occupy a certain space inside the mobile phone. Therefore, in the current situation where the external size and internal space of the mobile phone are very limited, how to make the mobile phone's volume light and convenient while pursuing powerful functions is a technical problem that needs to be solved urgently.
  • the object of the present invention is to provide a three-in-one antenna device and a mobile terminal for a mobile phone, which are designed with the GPS antenna, the WiFi antenna and the BT antenna as the same antenna to reduce the space occupied by the antenna and save the size of the mobile phone.
  • a three-in-one antenna device for a mobile phone which includes:
  • a three-in-one antenna for receiving and transmitting a WiFi signal and a BT signal, and receiving a GPS signal
  • Antenna matching unit for impedance matching for impedance matching
  • a radio unit for processing a GPS signal, a WiFi signal, and a BT signal
  • the three-in-one antenna, the antenna matching unit, and the radio frequency unit are sequentially connected;
  • the radio frequency unit further includes:
  • BT/WiFi radio frequency circuit for processing BT signals and WiFi signals
  • GPS radio frequency circuit for processing GPS signals
  • the BT/WiFi radio frequency circuit and the GPS radio frequency circuit are connected to the antenna matching unit by the dual band duplexer;
  • the antenna matching unit comprises a first element, a second element and a third element; the three-in-one antenna is grounded by the second element; the three-in-one antenna is further connected by the first element One end of the radio frequency unit and the third element, and the other end of the third element is grounded;
  • the three-in-one antenna is an inverted F antenna or a monopole antenna.
  • a three-in-one antenna device for a mobile phone which includes:
  • a three-in-one antenna for receiving and transmitting a WiFi signal and a BT signal, and receiving a GPS signal
  • Antenna matching unit for impedance matching for impedance matching
  • a radio unit for processing a GPS signal, a WiFi signal, and a BT signal
  • the three-in-one antenna, the antenna matching unit, and the radio frequency unit are sequentially connected;
  • the radio frequency unit further includes:
  • BT/WiFi radio frequency circuit for processing BT signals and WiFi signals
  • GPS radio frequency circuit for processing GPS signals
  • the BT/WiFi radio frequency circuit and the GPS radio frequency circuit are connected to the antenna matching unit by the dual band duplexer.
  • the three-in-one antenna device and the mobile terminal provided by the present invention adopt a three-in-one antenna, an antenna matching unit and a radio frequency unit; the three-in-one antenna, the antenna matching unit and the radio frequency unit are sequentially connected;
  • the radio frequency unit includes a dual-band duplexer, a BT/WiFi radio frequency circuit, and a GPS radio frequency circuit; the BT/WiFi radio frequency circuit and the GPS radio frequency circuit are connected to the antenna matching unit through a dual-band duplexer; when receiving the signal, the dual-band duplexer will GPS signal and BT received by the three-in-one antenna
  • the /WiFi signal is sent to the GPS radio frequency circuit and the BT/WiFi radio frequency circuit respectively, and the GPS signal is processed by the GPS radio frequency circuit and the BT/WiFi radio frequency circuit processes the BT/WiFi signal; when the signal is transmitted, the BT/WiFi radio frequency
  • the circuit outputs the BT signal and the WiFi signal, and transmits to the
  • FIG. 1 is a schematic diagram of a three-in-one antenna device of a mobile phone according to the present invention.
  • FIG. 2 is a schematic structural view of a first embodiment of a three-in-one antenna device for a mobile phone according to the present invention.
  • FIG. 3 is a schematic structural view of a second embodiment of a three-in-one antenna device for a mobile phone according to the present invention.
  • the present invention provides a mobile phone three-in-one antenna device and a mobile terminal.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • FIG. 1 is a schematic diagram of a three-in-one antenna device for a mobile phone according to the present invention.
  • the three-in-one antenna device includes: a three-in-one antenna 110, an antenna matching unit 120, and a radio frequency unit 130; the three-in-one antenna 110, the antenna matching unit 120, and the radio frequency unit 130 are sequentially connected.
  • the radio frequency unit 130 is configured to process GPS signals, WiFi signals, and BT signals.
  • the radio frequency unit 130 includes a dual band duplexer 131, a BT/WiFi radio frequency circuit 132, and a GPS radio frequency circuit 133.
  • the antenna matching unit 120 is connected to the BT/WiFi radio frequency circuit 132 and the GPS radio frequency circuit 133 through the dual band duplexer 131, respectively.
  • the BT/WiFi radio frequency circuit 132 is for processing BT signals and WiFi signals
  • the GPS radio frequency circuit 133 is for processing GPS signals.
  • the radio unit 130 also includes some small circuits such as filtering, ESD (Electro-Static) Circuit, discharge, etc.
  • the common end of the dual-band duplexer 131 is connected to the three-in-one antenna 110, and the other ends are respectively connected to the BT/WiFi radio frequency circuit 132 (operating frequency 2.4 GHz) and the GPS radio frequency circuit 133 (operating frequency 1575.42 GHz).
  • the dual-band duplexer 131 divides the signal received by the three-in-one antenna 110 into two paths, that is, BT. /WiFi signal and GPS signal, and send the two signals to the BT/WiFi radio frequency circuit 132 and the GPS radio frequency circuit 133, respectively.
  • the GPS RF circuit 133 processes the GPS signal
  • the BT/WiFi RF circuit 132 processes the BT/WiFi signal.
  • the BT When the three-in-one antenna 110 transmits a signal, the BT is transmitted.
  • the BT/WiFi radio frequency circuit 132 When the signal and the WiFi signal are transmitted, the BT/WiFi radio frequency circuit 132 outputs the BT signal and the WiFi signal, and is transmitted to the three-in-one antenna 110 through the dual-band duplexer 131 for transmission, thereby enabling transmission and reception of the BT signal and the WiFi signal through the same antenna. And receiving GPS signals.
  • a dual-band duplexer with high isolation is generally used to ensure the isolation between the BT/WiFi signal and the GPS signal and the isolation between the transmission and reception of the two signals, so that the two will not Interfere with each other.
  • the RF circuit and other common RF circuits it also ensures isolation between each other.
  • the three-in-one antenna 110 is connected to the antenna matching unit 120 through the impedance line 140; the antenna matching unit 120 is connected through the impedance line 140.
  • the dual band duplexer 131; the dual band duplexer 131 is connected to the BT/WiFi radio frequency circuit 132 and the GPS radio frequency circuit 133 via the impedance line 140. Since the characteristic impedance of the radio frequency unit 130 is 50 ohms, the impedance of the impedance line 140 can be selected to be 50 ohms for impedance matching.
  • the impedance line 140 can be a microstrip line or a strip line.
  • the antenna matching unit 120 is used for impedance matching, and includes a first component 121, a second component 122, and a third component 123.
  • the three-in-one antenna 110 is grounded through the second component 122, and is further connected to the radio frequency unit 130 through the first component 121;
  • An antenna 110 is connected to one end of the third element 123 through the first element 121, and the other end of the third element 123 is grounded;
  • the first element 121, the second element 122 and the third element 123 constitute a ⁇ -type matching circuit, and the first element 121
  • the second component 122 and the third component 123 can be components such as an inductor, a capacitor, or a resistor.
  • impedance matching can be made better, thereby increasing efficiency and reducing losses. In practical applications, specific values need to be obtained through actual debugging to obtain a matching circuit. It is also possible to choose not to add components, for example the first component 121 can be selected as a zero ohm resistor. And the impedance line 140 and the antenna matching unit 120 form a matching network, such as a matching network with other solid devices such as inductors, capacitors, etc., so that the signal output end is well matched with the load.
  • a matching network such as a matching network with other solid devices such as inductors, capacitors, etc.
  • first element 121, the second element 122, and the third element 123 of the antenna matching unit 120 are also connected by the impedance line 140.
  • the three-in-one antenna 110 is for receiving GPS signals, and for receiving and transmitting WiFi signals and BT signals.
  • the three-in-one antenna 110 may be an IFA (inverted F antenna) or a monopole antenna.
  • the IFA is similar to the monopole antenna.
  • a monopole antenna is taken as an example for description.
  • FIG. 2 is a schematic structural diagram of a first embodiment of a three-in-one antenna device for a mobile phone according to the present invention.
  • the mobile phone three-in-one antenna device further includes an antenna bracket 150.
  • the antenna is riveted to the back cover of the mobile phone or the antenna bracket 150.
  • the mobile phone includes a PCB board 160.
  • the PCB board 160 is provided with a clearance area 161 and a feed point 170;
  • the three-in-one antenna 110 includes a GPS antenna section 111 for receiving GPS signals and a BT/WiFi antenna section 112 for receiving and transmitting WiFi signals and BT signals;
  • Point 170, antenna matching unit 120 and radio frequency unit 130 are disposed on PCB board 160;
  • GPS antenna section 111 is disposed on antenna bracket 150, BT/WiFi antenna section 112 is disposed in clearance area 161 of PCB board 160;
  • GPS antenna section 111 The BT/WiFi antenna segment 112 is coupled to the antenna matching unit 120 via a feed point 170, and the radio frequency unit 130 excites the GPS antenna segment 111 and the BT/WiFi antenna segment 112 through the feed point 170.
  • the three-in-one antenna 110 can also be riveted to the back cover of the mobile phone, that is, the back cover of the mobile phone is used as the antenna support of the three-in-one antenna 110.
  • the BT/WiFi antenna segment 112 is a printed circuit board antenna that is printed on a circuit board (ie, a PCB board).
  • the clearance area 161 is an area on the PCB board 160 that is completely free of ground.
  • the BT/WiFi antenna segment 112 can be designed in various shapes such as a straight line, a broken line, a curved line, and a U-shape, and is directly designed on the PCB board 160.
  • the length needs to be jointly determined by combining the three-in-one antenna 110 and the radio frequency debugging result, that is, the GPS, the BT/WiFi antenna segment and the environment of the mobile phone are jointly determined together, generally between one quarter and one half of the wavelength of the communication signal. That is, the length of the GPS antenna segment 111 is between one quarter and one half of the wavelength of the GPS signal, and the length of the BT/WiFi antenna segment 112 is between one quarter and one half of the wavelength of the BT/WiFi signal.
  • the GPS antenna segment 111 is designed on the antenna bracket 150, and has a width of about 1 mm and a length of about 40 mm.
  • the BT/WiFi antenna segment 112 is designed on the PCB board 160, and has a width of about 1 mm and a length of about 20 mm. And more than 2mm from the edge of the clearance area 161.
  • the three-in-one antenna device of the mobile phone provided by the embodiment of the invention has a simple implementation method, and does not need to separately allocate space for each GPS antenna and the BT/WiFi antenna, thereby saving the size of the mobile phone and matching the current popular appearance structure design.
  • the method is simple and is especially suitable for the smartphone market with a wide range of functions.
  • FIG. 3 is a schematic structural diagram of a second embodiment of a three-in-one antenna device for a mobile phone according to the present invention.
  • the three-in-one antenna device further includes an antenna bracket 150.
  • the mobile phone includes a PCB board 160.
  • the PCB board 160 is provided with a clearance area 161 and a feed point 170.
  • the three-in-one antenna 110 includes a GPS antenna section 111 for receiving GPS signals and a BT/WiFi antenna segment 112 for receiving and transmitting a WiFi signal and a BT signal; a feed point 170, an antenna matching unit 120, and a radio frequency unit 130 are disposed on the PCB board 160; the antenna frame 150 is provided with a GPS antenna segment 111; BT/ The WiFi antenna segment 112 includes a portion 1121 of a BT/WiFi antenna segment disposed on the headroom 161 of the PCB board 160 and another portion 1122 of the BT/WiFi antenna segment disposed on the antenna bracket 150; a GPS antenna segment 111 and a BT/WiFi antenna segment
  • the antenna matching unit 120 is connected through the feed point 170, and the radio frequency unit 130 excites the GPS antenna segment 111 and the BT/WiFi antenna segment 112 through the feed point 170.
  • the GPS antenna segment 111 is designed on the antenna support 150, has a width of about 1 mm and a length of about 40 mm; and is connected to the feed point 170 through an antenna dome on the GPS antenna segment 111.
  • a portion 1121 of the BT/WiFi antenna segment is designed on the PCB board 160, which is a printed circuit board antenna having a width of 1 mm, a length of about 15 mm, and a metal of about 2 mm or more from the edge of the clearance area 161.
  • a portion 1121 of the BT/WiFi antenna segment is directly connected to the feed point 170.
  • Another portion 1122 of the BT/WiFi antenna segment is disposed on the antenna mount 150 and is coupled to a feed point 170 having a width of 1 mm and a length of approximately 7 mm. Therefore, the BT/WiFi antenna segment 112 has a total length of about 22 mm.
  • the RF signal output by the RF unit 130 is fed through a 50 ohm impedance line 140 to the feed point 170 of the monopole antenna, energizing the GPS antenna segment 111 and the BT/WiFi antenna segment 112 to generate radiation.
  • the three-in-one antenna device of the mobile phone adopts a three-in-one antenna, an antenna matching unit and a radio frequency unit; the three-in-one antenna, the antenna matching unit and the radio frequency unit are sequentially connected; the radio frequency unit includes dual frequency bands.
  • Duplexer, BT/WiFi RF circuit and GPS RF circuit; BT/WiFi RF circuit and GPS RF circuit are connected to dual-band duplexer; receive GPS signal through 3-in-1 antenna, and receive and transmit BT signal and WiFi signal, When receiving a signal, the dual-band duplexer will receive the GPS signal and BT from the three-in-one antenna.
  • the /WiFi signal is sent to the GPS RF circuit and the BT/WiFi RF circuit respectively, and the GPS signal is processed by the GPS RF circuit and the BT/WiFi signal is processed by the BT/WiFi RF circuit; when the signal is transmitted, the BT/WiFi RF circuit outputs
  • the BT signal and the WiFi signal are transmitted to the three-in-one antenna through the dual-band duplexer for transmission; the GPS antenna, the WiFi antenna and the BT antenna are designed on the same antenna, and the same antenna can receive the GPS signal and transmit and receive the BT signal and
  • the WiFi signal reduces the space occupied by the antenna, improves the utilization of the space of the mobile phone, and saves the size of the mobile phone.
  • the three-in-one antenna device is configured by disposing a GPS antenna segment in a three-in-one antenna on an antenna bracket and a BT/WiFi antenna segment on a PCB board, or a GPS antenna segment and a part of a BT/WiFi antenna.
  • the segment is set on the antenna bracket and the other part of the BT/WiFi antenna segment is disposed on the PCB board, so that it is not necessary to separately configure the space for the BT/WiFi antenna for each GPS antenna, which saves the size of the mobile phone, and the implementation method is simple, and is particularly suitable for A versatile smartphone market with the current popular exterior design.
  • the present invention also relates to a mobile terminal that receives and transmits a WiFi signal and a BT signal and receives a GPS signal using the above-described mobile phone three-in-one antenna device; and simultaneously processes the WiFi signal, the BT signal, and the GPS signal.
  • the mobile terminal specifically includes but is not limited to a smart phone, a tablet computer, an e-book reader, and an MP4 (Moving). Picture Experts Group Audio Layer IV, dynamic imaging experts compress standard audio layers 4) players and more.
  • the working principle of the mobile terminal of the present invention is the same as or similar to the related description in the embodiment of the mobile phone three-in-one antenna device. For details, refer to the related description in the embodiment of the mobile phone three-in-one antenna device.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

本发明公开了一种手机三合一天线装置及移动终端，包括三合一天线、天线匹配单元和射频单元；射频单元还包括双频带双工器、BT/WiFi射频电路和GPS射频电路；BT/WiFi射频电路和GPS射频电路通过双频带双工器依次连接天线匹配单元和三合一天线；双频带双工器将三合一天线收到的GPS信号和BT/WiFi信号分别发送给GPS射频电路和BT/WiFi射频电路，通过GPS射频电路对GPS信号进行处理和通过BT/WiFi射频电路对BT/WiFi信号进行处理；BT/WiFi射频电路输出BT信号和WiFi信号，并经过双频带双工器发送到三合一天线进行发射。

Description

一种手机三合一天线装置及移动终端 技术领域
本发明涉及无线电领域，特别涉及一种手机三合一天线装置及移动终端。
 背景技术
随着移动通信的迅速发展，手机功能日趋丰富，GPS（Global Positioning System，全球定位系统）、BT（Blue Tooth，蓝牙）、WiFi（Wireless Fidelity，无线保真）等应用逐步普及，需要更多的天线去覆盖新的频段范围，越来越多的手机不仅仅只有一个主天线，还会结合很多的辅天线，如GPS天线、BT天线和WiFi天线。但是在手机内部留给天线的空间十分有限，并且这些天线在手机内部会占据一定的空间。因此，在目前手机的外部尺寸和内部空间都非常有限的情况下，如何在追求强大的功能的同时，还能使得手机的体积能够轻薄便捷，是急需解决的技术问题。
因而现有技术还有待改进和提高。
 技术问题
本发明的目的在于提供一种手机三合一天线装置及移动终端，将GPS天线、WiFi天线和BT天线设计为同一天线上，以减少天线占用空间，节约手机尺寸。
 技术解决方案
为了达到上述目的，本发明采取了以下技术方案：
提供一种手机三合一天线装置，其包括：
三合一天线，用于接收和发射WiFi信号与BT信号、以及接收GPS信号的；
天线匹配单元，用于阻抗匹配；以及
射频单元，用于处理GPS信号、WiFi信号和BT信号；
所述三合一天线、所述天线匹配单元和所述射频单元依次连接；
其中所述射频单元还包括：
双频带双工器；
BT/WiFi射频电路，用于处理BT信号和WiFi信号；以及
GPS射频电路，用于处理GPS信号；
其中，所述BT/WiFi射频电路和所述GPS射频电路通过所述双频带双工器连接所述天线匹配单元；
其中，所述天线匹配单元包括第一元件、第二元件和第三元件；所述三合一天线通过所述第二元件接地；所述三合一天线还通过所述第一元件连接所述射频单元和所述第三元件的一端，所述第三元件的另一端接地；
其中，所述三合一天线为倒F天线或单极子天线。
提供一种手机三合一天线装置，其包括：
三合一天线，用于接收和发射WiFi信号与BT信号、以及接收GPS信号的；
天线匹配单元，用于阻抗匹配；以及
射频单元，用于处理GPS信号、WiFi信号和BT信号；
其中，所述三合一天线、所述天线匹配单元和所述射频单元依次连接；
其中，所述射频单元还包括：
双频带双工器；
BT/WiFi射频电路，用于处理BT信号和WiFi信号；以及
GPS射频电路，用于处理GPS信号；
其中，所述BT/WiFi射频电路和所述GPS射频电路通过所述双频带双工器连接所述天线匹配单元。
还提供一种使用上述手机三合一天线装置的移动终端。
 有益效果
相较于现有技术，本发明提供的手机三合一天线装置及移动终端，由于采用了三合一天线、天线匹配单元和射频单元；三合一天线、天线匹配单元和射频单元依次连接；射频单元包括双频带双工器、BT/WiFi射频电路和GPS射频电路；BT/WiFi射频电路和GPS射频电路通过双频带双工器连接天线匹配单元；在接收信号时，双频带双工器将三合一天线收到的GPS信号和BT /WiFi信号分别发送给GPS射频电路和BT/WiFi射频电路，通过GPS射频电路对GPS信号进行处理和BT/WiFi射频电路对BT/WiFi信号进行处理；在发射信号时，所述BT/WiFi射频电路输出BT信号和WiFi信号，并经过双频带双工器发送到三合一天线进行发射；使得GPS天线、WiFi天线和BT天线设计在同一天线上，通过同一天线能够接收GPS信号和收发BT信号及WiFi信号，还将部分天线设置在手机PCB板上，从而减少了多个天线的占用空间，提高了手机的空间的利用率，节约了手机的尺寸。
 附图说明
图1为本发明手机三合一天线装置的原理图。
图2为本发明手机三合一天线装置第一实施例的结构示意图。
图3为本发明手机三合一天线装置第二实施例的结构示意图。
 本发明的最佳实施方式
本发明提供一种手机三合一天线装置及移动终端，为使本发明的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
请参阅图1，图1为本发明手机三合一天线装置的原理图。该手机三合一天线装置包括：三合一天线110、天线匹配单元120和射频单元130；三合一天线110、天线匹配单元120和射频单元130依次连接。
射频单元130用于处理GPS信号、WiFi信号和BT信号。射频单元130包括双频带双工器131、BT/WiFi射频电路132和GPS射频电路133；天线匹配单元120通过双频带双工器131分别连接BT/WiFi射频电路132和GPS射频电路133。BT/WiFi射频电路132用于处理BT信号和WiFi信号，GPS射频电路133用于处理GPS信号。射频单元130还包括一些小的电路如滤波、ESD（Electro-Static discharge，静电释放）等电路。
双频带双工器131的共用端连接到三合一天线110，另外两端分别连接到BT/WiFi射频电路132（工作频率2.4GHz）和GPS射频电路133（工作频率1575.42GHz）。在接收信号时，双频带双工器131将三合一天线110收到的信号分为两路，即BT /WiFi信号和GPS信号，并将两路信号分别发送给BT/WiFi射频电路132和GPS射频电路133。GPS射频电路133对GPS信号进行处理，BT/WiFi射频电路132对BT/WiFi信号进行处理。在三合一天线110发射信号时，即发射BT 信号和WiFi信号时，BT/WiFi射频电路132输出BT信号和WiFi信号，并经过双频带双工器131发送到三合一天线110进行发射，从而实现了通过同一天线能够收发BT信号和WiFi信号，以及接收GPS信号。在实际应用中，一般采用隔离度较高的双频带双工器，保证了BT/WiFi信号与GPS信号之间的隔离以及两路信号各自的发射和接收之间的隔离，使得两者不会相互干扰。并且对于射频电路与其他通用的射频电路，也保证了彼此间的隔离度。
进一步地，为了将高频信号能进行较有效地传输，使信号输出端与负载很好地匹配，三合一天线110通过阻抗线140连接天线匹配单元120；天线匹配单元120通过阻抗线140连接双频带双工器131；双频带双工器131通过阻抗线140连接BT/WiFi射频电路132和GPS射频电路133。由于射频单元130的特性阻抗为50欧姆，为了阻抗匹配，可选择阻抗线140的阻抗为50欧姆。阻抗线140可为微带线或带状线。
天线匹配单元120用于阻抗匹配，包括第一元件121、第二元件122和第三元件123；三合一天线110通过第二元件122接地，还通过第一元件121连接射频单元130；三合一天线110通过第一元件121连接第三元件123的一端，第三元件123的另一端接地；第一元件121、第二元件122和第三元件123构成了π型匹配电路，第一元件121、第二元件122和第三元件123可为电感、电容或电阻等元件。通过选择不同数值以及不同元器件，可以使得阻抗匹配的更好，从而提高效率，降低损耗。在实际的应用中，需通过实际调试得到具体的数值，从而得出匹配电路。也可以选择不添加元件，譬如第一元件121可选为零欧姆电阻。并且阻抗线140与天线匹配单元120构成一个匹配网络，譬如与其他固体器件如电感、电容等构成一个匹配网络，使得信号输出端与负载很好地匹配。
进一步地，天线匹配单元120的第一元件121、第二元件122和第三元件123也通过阻抗线140连接。
三合一天线110用于接收GPS信号、及接收和发射WiFi信号与BT信号。在本发明中，三合一天线110可为IFA（倒F天线）或单极子天线。IFA和单极子天线很类似，在本发明实施例中，以单极子天线为例进行说明。
请参阅图2，图2为本发明手机三合一天线装置第一实施例的结构示意图。手机三合一天线装置还包括天线支架150，在实际应用中，由于天线铆接在手机后壳或天线支架150上。手机包括PCB板160。PCB板160上设置有一净空区161和馈点170；三合一天线110包括用于接收GPS信号的GPS天线段111和用于接收和发射WiFi信号及BT信号的BT/WiFi天线段112；馈点170、天线匹配单元120和射频单元130设置在PCB板160上；GPS天线段111设置在天线支架150上，BT/WiFi天线段112设置在PCB板160的净空区161内；GPS天线段111和BT/WiFi天线段112通过馈点170连接天线匹配单元120，射频单元130通过馈点170激励GPS天线段111和BT/WiFi天线段112。
三合一天线110还可以铆接在手机后壳上，即将手机后壳作为三合一天线110的天线支架。BT/WiFi天线段112为印刷电路板天线，印刷在电路板（即PCB板）上。净空区161为PCB板160上一完全没有地的区域。BT/WiFi天线段112可以设计为直线、折线、曲线以及U字形等各种形状，直接设计在PCB板160上。其长度需要结合三合一天线110和射频调试结果来共同确定，即结合GPS，BT/WiFi天线段以及手机的环境一起调试共同确定，一般在通信信号波长的四分之一到一半之间。即GPS天线段111的长度为GPS信号波长的四分之一到一半之间，BT/WiFi天线段112的长度为BT/WiFi信号波长的四分之一到一半之间。
在具体应用时，GPS天线段111设计在天线支架150上，宽度为1mm左右，长度约为40mm左右，而BT/WiFi天线段112设计在PCB板160上，宽度为1mm左右，长度为20mm左右，并且距离净空区161边缘2mm以上。
采用本发明实施例提供的手机三合一天线装置，其实现方法简单，无需单独为每个GPS天线和BT/WiFi天线配置空间，节约了手机的尺寸，配合了目前流行的外观结构设计，实现方法简单，特别适用于功能繁多的智能手机市场。
请参阅图3，图3为本发明手机三合一天线装置第二实施例的结构示意图。所述三合一天线装置还包括天线支架150，手机包括PCB板160，PCB板160上设置有一净空区161和馈点170；三合一天线110包括用于接收GPS信号的GPS天线段111和用于接收和发射WiFi信号及BT信号的BT/WiFi天线段112；馈点170、天线匹配单元120和射频单元130设置在PCB板160上；天线支架150上设置有GPS天线段111；BT/WiFi天线段112包括设置在PCB板160的净空区161上BT/WiFi天线段的一部分1121和设置在天线支架150上BT/WiFi天线段的另一部分1122；GPS天线段111和BT/WiFi天线段112通过馈点170连接天线匹配单元120，射频单元130通过馈点170激励GPS天线段111和BT/WiFi天线段112。
在具体应用时，GPS天线段111设计在天线支架150上，其宽度为1mm左右，长度大约在40mm左右；并通过GPS天线段111上的天线弹片连接到馈点170。在本实施例中，PCB板160上设计BT/WiFi天线段的一部分1121，为印刷电路板天线，其宽度为1mm，长度大约15mm左右，距离净空区161边缘的金属大约2mm以上。BT/WiFi天线段的一部分1121直接与馈点170相连。BT/WiFi天线段的另一部分1122设置在天线支架150上，并连接馈点170，其宽度为1mm，长度大约为7mm。因此，BT/WiFi天线段112其总长度为22mm左右。
由射频单元130输出的射频信号，通过50欧姆的阻抗线140馈入到单极子天线的馈点170，激励GPS天线段111和BT/WiFi天线段112产生辐射。
综上所述，本发明提供的手机三合一天线装置，由于采用了三合一天线、天线匹配单元和射频单元；三合一天线、天线匹配单元和射频单元依次连接；射频单元包括双频带双工器、BT/WiFi射频电路和GPS射频电路；BT/WiFi射频电路和GPS射频电路连接双频带双工器；通过三合一天线接收GPS信号、及接收和发射BT信号和WiFi信号，在接收信号时，双频带双工器将三合一天线收到的GPS信号和BT /WiFi信号分别发送到GPS射频电路和BT/WiFi射频电路，通过GPS射频电路对GPS信号进行处理和BT/WiFi射频电路对BT/WiFi信号进行处理；在发射信号时，BT/WiFi射频电路输出BT信号和WiFi信号，并经过双频带双工器发送到三合一天线进行发射；使得GPS天线、WiFi天线和BT天线设计在同一天线上，通过同一天线能够接收GPS信号、及收发BT信号和WiFi信号，从而减少了天线的占用空间，提高了手机的空间的利用率，节约了手机的尺寸。
进一步地，本发明提供的三合一天线装置通过将三合一天线中的GPS天线段设置在天线支架上及BT/WiFi天线段设置在PCB板上，或GPS天线段和部分BT/WiFi天线段设置在天线支架上及另一部分BT/WiFi天线段设置在PCB板上，实现了无需单独为每个GPS天线，BT/WiFi天线配置空间，节约了手机的尺寸，实现方法简单，特别适用于功能繁多的智能手机市场，并且配合了目前流行的外观结构设计。
本发明还涉及一种移动终端，该移动终端使用上述的手机三合一天线装置接收和发射WiFi信号与BT信号、以及接收GPS信号；同时对WiFi信号、BT信号以及GPS信号进行处理。当然该移动终端具体包括但不限于智能手机、平板电脑、电子书阅读器以及MP4（Moving Picture Experts Group Audio Layer IV，动态影像专家压缩标准音频层面4）播放器等等。本发明的移动终端的工作原理与上述的手机三合一天线装置的实施例中的相关描述相同或相似，具体请参见上述手机三合一天线装置的实施例中的相关描述。
可以理解的是，对本领域普通技术人员来说，可以根据本发明的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本发明所附的权利要求的保护范围。
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  1. 一种手机三合一天线装置，其包括：
    三合一天线，用于接收和发射无线保真（WiFi，Wireless Fidelity)信号与蓝牙（BT，Blue Tooth）信号、以及接收全球定位系统（GPS，Global Positioning System）信号；
    天线匹配单元，用于阻抗匹配；以及
    射频单元，用于处理GPS信号、WiFi信号和BT信号；
    所述三合一天线、所述天线匹配单元和所述射频单元依次连接；
    其中，所述射频单元还包括：
    双频带双工器；
    BT/WiFi射频电路，用于处理BT信号和WiFi信号；以及
    GPS射频电路，用于处理GPS信号；
    其中，所述BT/WiFi射频电路和所述GPS射频电路通过所述双频带双工器连接所述天线匹配单元；
    其中，所述天线匹配单元包括第一元件、第二元件和第三元件；所述三合一天线通过所述第二元件接地；所述三合一天线还通过所述第一元件连接所述射频单元和所述第三元件的一端，所述第三元件的另一端接地；
    其中，所述三合一天线为倒F天线或单极子天线。
  2. 根据权利要求1所述的手机三合一天线装置，其中所述三合一天线通过阻抗线连接所述天线匹配单元；所述天线匹配单元通过阻抗线连接所述双频带双工器；所述双频带双工器通过阻抗线连接所述BT/WiFi射频电路和所述GPS射频电路。
  3. 根据权利要求2所述的手机三合一天线装置，其中所述阻抗线的阻抗为50欧姆。
  4. 根据权利要求1所述的手机三合一天线装置，其中所述第一元件、所述第二元件和所述第三元件为电感、电容或电阻。
  5. 根据权利要求1所述的手机三合一天线装置，其中所述手机包括印刷电路板（PCB，printed circuit board），所述手机三合一天线装置还包括天线支架，所述PCB板上设置有一净空区和馈点；所述三合一天线包括用于接收GPS信号的GPS天线段和用于接收和发射WiFi信号及BT信号的BT/WiFi天线段；
    所述天线匹配单元和所述射频单元设置在PCB板上；所述GPS天线段设置在天线支架上，所述BT/WiFi天线段设置在所述PCB板的所述净空区；所述GPS天线段和所述BT/WiFi天线段通过所述馈点连接所述天线匹配单元，所述射频单元通过所述馈点激励所述GPS天线段和所述BT/WiFi天线段。
  6. 根据权利要求1所述的手机三合一天线装置，其中所述手机包括PCB板，所述手机三合一天线装置还包括天线支架，所述PCB板上设置有一净空区和馈点；所述三合一天线包括用于接收GPS信号的GPS天线段和用于接收和发射WiFi信号及BT信号的BT/WiFi天线段；
    所述天线匹配单元和所述射频单元设置在PCB板上；所述天线支架上设置有所述GPS天线段和所述BT/WiFi天线段的一部分，所述BT/WiFi天线段的另一部分设置在所述PCB板的所述净空区；所述GPS天线段和所述BT/WiFi天线段通过所述馈点连接所述天线匹配单元，所述射频单元通过所述馈点激励所述GPS天线段和所述BT/WiFi天线段。
  7. 根据权利要求5所述的手机三合一天线装置，其中所述BT/WiFi天线段的长度在BT信号波长和WiFi信号波长的1/4与1/2之间；所述GPS天线段的长度在GPS信号波长的1/4与1/2之间。
  8. 根据权利要求6所述的手机三合一天线装置，其中所述BT/WiFi天线段的长度在BT信号波长和WiFi信号波长的1/4与1/2之间；所述GPS天线段的长度在GPS信号波长的1/4与1/2之间。
  9. 一种手机三合一天线装置，其包括：
    三合一天线，用于接收和发射WiFi信号与BT信号、以及接收GPS信号；
    天线匹配单元，用于阻抗匹配；以及
    射频单元，用于处理GPS信号、WiFi信号和BT信号；
    其中，所述三合一天线、所述天线匹配单元和所述射频单元依次连接；
    其中，所述射频单元还包括：
    双频带双工器；
    BT/WiFi射频电路，用于处理BT信号和WiFi信号；以及
    GPS射频电路，用于处理GPS信号；
    其中，所述BT/WiFi射频电路和所述GPS射频电路通过所述双频带双工器连接所述天线匹配单元。
  10. 根据权利要求9所述的手机三合一天线装置，其中所述三合一天线通过阻抗线连接所述天线匹配单元；所述天线匹配单元通过阻抗线连接所述双频带双工器；所述双频带双工器通过阻抗线连接所述BT/WiFi射频电路和所述GPS射频电路。
  11. 根据权利要求10所述的手机三合一天线装置，其中所述阻抗线的阻抗为50欧姆。
  12. 根据权利要求9所述的手机三合一天线装置，其中所述天线匹配单元包括第一元件、第二元件和第三元件；所述三合一天线通过所述第二元件接地；所述三合一天线还通过所述第一元件连接所述射频单元和所述第三元件的一端，所述第三元件的另一端接地。
  13. 根据权利要求12所述的手机三合一天线装置，其中所述第一元件、所述第二元件和所述第三元件为电感、电容或电阻。
  14. 根据权利要求9所述的手机三合一天线装置，其中所述三合一天线为倒F天线或单极子天线。
  15. 根据权利要求9所述的手机三合一天线装置，其中所述手机包括PCB板，所述手机三合一天线装置还包括天线支架，所述PCB板上设置有一净空区和馈点；所述三合一天线包括用于接收GPS信号的GPS天线段和用于接收和发射WiFi信号及BT信号的BT/WiFi天线段；
    所述天线匹配单元和所述射频单元设置在PCB板上；所述GPS天线段设置在天线支架上，所述BT/WiFi天线段设置在所述PCB板的所述净空区；所述GPS天线段和所述BT/WiFi天线段通过所述馈点连接所述天线匹配单元，所述射频单元通过所述馈点激励所述GPS天线段和所述BT/WiFi天线段。
  16. 根据权利要求9所述的手机三合一天线装置，其中所述手机包括PCB板，所述手机三合一天线装置还包括天线支架，所述PCB板上设置有一净空区和馈点；所述三合一天线包括用于接收GPS信号的GPS天线段和用于接收和发射WiFi信号及BT信号的BT/WiFi天线段；
    所述天线匹配单元和所述射频单元设置在PCB板上；所述天线支架上设置有所述GPS天线段和所述BT/WiFi天线段的一部分，所述BT/WiFi天线段的另一部分设置在所述PCB板的所述净空区；所述GPS天线段和所述BT/WiFi天线段通过所述馈点连接所述天线匹配单元，所述射频单元通过所述馈点激励所述GPS天线段和所述BT/WiFi天线段。
  17. 根据权利要求15所述的手机三合一天线装置，其中所述BT/WiFi天线段的长度在BT信号波长和WiFi信号波长的1/4与1/2之间；所述GPS天线段的长度在GPS信号波长的1/4与1/2之间。
  18. 根据权利要求16所述的手机三合一天线装置，其中所述BT/WiFi天线段的长度在BT信号波长和WiFi信号波长的1/4与1/2之间；所述GPS天线段的长度在GPS信号波长的1/4与1/2之间。
  19. 根据权利要求15所述的手机三合一天线装置，其中所述BT/WiFi天线段和所述GPS天线段的宽度为0.8毫米至1.2毫米；设置在所述PCB板的所述净空区的所述BT/WiFi天线段距离所述净空区边缘的距离大于2毫米。
  20. 一种使用权利要求9所述的手机三合一天线装置的移动终端。
PCT/CN2013/077644 2012-08-31 2013-06-21 一种手机三合一天线装置及移动终端 WO2014032459A1 (zh)

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