WO2012109988A1 - 一种移动终端及其多天线实现方法 - Google Patents

一种移动终端及其多天线实现方法 Download PDF

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Publication number
WO2012109988A1
WO2012109988A1 PCT/CN2012/071172 CN2012071172W WO2012109988A1 WO 2012109988 A1 WO2012109988 A1 WO 2012109988A1 CN 2012071172 W CN2012071172 W CN 2012071172W WO 2012109988 A1 WO2012109988 A1 WO 2012109988A1
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WIPO (PCT)
Prior art keywords
throw
antenna
mobile terminal
pole
antenna switch
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PCT/CN2012/071172
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English (en)
French (fr)
Inventor
白剑
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惠州Tcl移动通信有限公司
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Publication of WO2012109988A1 publication Critical patent/WO2012109988A1/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
    • 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a mobile terminal and a multi-antenna implementation method thereof.
  • a typical mobile communication terminal will support four GSM bands (GSM850, GSM900, DCS, PCS) and WCDMA multi-frequency terminals (such as WCDMA). BC1/BC8 or BC2/BC5 or BC1/2/4/5/8, etc.
  • the antenna area of the terminal is repeatedly compressed. Because the terminal is required to be thinner and more beautiful, the key conditions such as the height of the antenna and the clearance are continuously reduced. For the appearance and overall user experience, it is even required to place a speaker, a receiver, and a camera in the antenna area. These devices make the design of a single antenna for a mobile terminal difficult.
  • the technical problem to be solved by the present invention is to provide a mobile terminal and a multi-antenna implementation method thereof, which are simple in structure, easy to implement, and improve antenna and radio frequency performance of the mobile terminal.
  • a multi-antenna implementation method for a mobile terminal comprising the steps of:
  • A. Set one multi-tool multi-throw antenna switch or multiple single-pole multi-throw antenna switches to feed the signals of different frequency bands of the mobile terminal to the two multi-pole multi-throw antenna switches or multiple single-pole multi-throw antenna switches respectively. Or more than two antennas.
  • step A further includes:
  • the different frequency bands transmitted by the mobile terminal are respectively fed to different antennas through the one multi-knife multi-throw antenna switch or the plurality of single-pole multi-throw antenna switches.
  • step A further includes:
  • the mobile terminal transmitting path and the receiving path are respectively fed to different antennas through the one multi-knife multi-throw antenna switch or the plurality of single-pole multi-throw antenna switches.
  • step A further includes:
  • the different modes of the mobile terminal are respectively fed to different antennas through the one multi-knife multi-throw antenna switch or the plurality of single-pole multi-throw antenna switches.
  • the mobile terminal multi-antenna implementation method wherein the multi-pole multi-throw antenna switch comprises a plurality of input ports and a plurality of output ports, each of which can be connected to any one of the input ports, or each output port is connected Go to some of the inputs.
  • a mobile terminal comprising: 1 multi-pole multi-throw antenna switch or multiple single-pole multi-throw antenna switches, and two or more antennas, the one multi-knife multi-throw antenna switch or multiple single-knife
  • the multi-throw antenna switch is used to feed signals of different frequency bands of the mobile terminal to two or more antennas.
  • the mobile terminal wherein a signal line connecting different frequency bands transmitted by the mobile terminal is connected to the one multi-pole multi-throw antenna switch or a plurality of single-pole multi-throw antenna switches, through the one multi-pole multi-throw antenna switch or A plurality of single-pole multi-throw antenna switches are respectively fed to different antennas.
  • the mobile terminal wherein the mobile terminal transmitting path and the receiving path are connected to the one multi-knife multi-throw antenna switch or the plurality of single-pole multi-throw antenna switches, and the one multi-tool multi-throw antenna switch or multiple Single-pole multi-throw antenna switches are fed to different antennas.
  • the mobile terminal wherein a signal line of a different system of the mobile terminal is connected to the one multi-pole multi-throw antenna switch or a plurality of single-pole multi-throw antenna switches, and the one multi-pole multi-throw antenna switch or multiple Single-pole multi-throw antenna switches are fed to different antennas.
  • the multi-pole multi-throw antenna switch comprises a plurality of input ports and a plurality of output ports, each of which can be connected to any one of the input ports, or each of the output ports is connected to a part of the output port Input port.
  • the mobile terminal and the multi-antenna implementation method provided by the invention pass the signal of different frequency bands of the mobile terminal through the one multi-tool multi-throw by adopting one multi-tool multi-throw antenna switch or a plurality of single-pole multi-throw antenna switches.
  • the antenna switch or the plurality of single-pole multi-throw antenna switches are respectively fed to two or more antennas, and the structure is simple and easy to implement, and the antenna and radio frequency performance of the mobile terminal are improved.
  • Optimized multi-antenna design for optimal RF and antenna performance has the following advantages:
  • FIG. 1 is a schematic diagram of a radio frequency antenna architecture of a conventional mobile communication terminal.
  • FIG. 2 is a schematic structural view of a mobile terminal using a multi-tool multi-throw antenna switch according to a first embodiment of the present invention.
  • FIG 3 is a schematic structural view of a mobile terminal using a multi-tool multi-throw antenna switch according to a second embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a mobile terminal using a multi-tool multi-throw antenna switch according to a third embodiment of the present invention.
  • ANT mobile terminal antenna
  • ESD Protection Electrostatic protection device
  • SP9T Single-pole 9-throw switch
  • GSM850/900 TX transmit path for both GSM 850 and 90 bands
  • Rx1, Rx2, Rx3, Rx4 The receiving path of GSM850/900/1800/1900 can arbitrarily designate Rxn to be assigned to a certain path of GSM.
  • GSM850/900 TX Module GSM850/900 two frequency band transmission module
  • DCS/PCS TX Module GSM 1800/1900 two-band transmit module
  • GSM850 Rx Module Receiver module for GSM 850 band
  • GSM900 Rx Module Receiver module for GSM 900 band
  • PCS Rx Module Receiver module for GSM 1900 band
  • DCS Rx Module Receiver module for GSM 1800 band;
  • BC1 or BC2 Duplex WCDMA
  • the duplexer of band 1 or band 2 depends on which band the terminal supports;
  • BC5 or BC8 Duplex WCDMA The duplexer of band 5 or band 8 depends on which band the terminal supports;
  • AWS Duplex The duplexer for WCDMA Band 4, depending on which band the terminal supports.
  • FIG. 1 A typical WCDMA3 frequency, GSM4 frequency terminal RF and antenna block diagram is shown in Figure 1.
  • 50 is the intelligent terminal antenna (ANT);
  • 51 is ESD Protection (electrostatic protection device);
  • 52 is SP9T (single-pole 9-throw antenna switch);
  • 53 is the transmission path of GSM 850 and 90 bands (GSM850/900) TX);
  • 54 is the transmit path (1800/1900 TX) for both GSM 1800 and 1900 bands.
  • Rx1, Rx2, Rx3, and Rx4 are: The receiving path of GSM850/900/1800/1900 can arbitrarily designate Rxn to be assigned to a certain path of GSM.
  • UMTS1/2/3 is: WCDMA RF channel.
  • the GSM850/900 two-band transmission module passes GSM
  • the transmission path 53 of the 850 and 90 frequency bands is connected to the single-pole 9-throw antenna switch 52;
  • the GSM 1800/1900 two-band transmission module passes GSM
  • the transmission path 54 of the 1800 and 1900 frequency bands is connected to the single-pole 9-throw antenna switch 52;
  • the receiving module of the GSM 850 band (GSM850 Rx) Module) is connected to the single-pole 9-throw antenna switch 52 through the receiving path Rx1 of the GSM850;
  • GSM 900 band receiving module (GSM900 Rx) Module) is connected to the single-pole 9-throw antenna switch 52 through the receiving path Rx2 of the GSM900.
  • Receiver module for GSM 1900 band (PCS Rx Module) is connected to the single-pole 9-throw antenna switch 52 through the receiving path Rx3 of the GSM1800; the receiving module of the GSM 1800 band (DCS Rx) Module) is connected to the single-pole 9-throw antenna switch 52 via the GSM1900 receive path Rx4; WCDMA band 1 or band 2 duplexer (BC1 or BC2) Duplex) is connected to the single-pole 9-throw antenna switch 52 via UMTS1; the WCDMA band 1 or band 2 duplexer depends on which band the terminal supports; WCDMA Band 5 or Band 8 duplexer (BC5 or BC8 Duplex) is connected to single-pole 9-throw antenna switch 52 via UMTS2, WCDMA The duplexer in Band 5 or Band 8 depends on which band the terminal supports.
  • WCDMA Band 4 Duplexer (AWS Duplex) is connected to single-pole 9-throw antenna switch 52 via UMTS3, WCDMA The duplexer of Band 4 depends on which band the
  • Fig. 1 the signals of the various standards and frequency bands of the mobile terminal are finally fed to the antenna through an antenna switch ASM.
  • a single-pole N-throw (SPNT) switch is used, where N can be, but is not limited to, a SP9T single-pole 9-throw antenna switch as shown in FIG.
  • the 3G frequency band can be, but is not limited to, three frequency bands
  • GSM can be, but is not limited to, four frequency bands.
  • Figure 1 is the most popular GSM four-band + WCDMA three-band solution. If the frequency band is increased or decreased, it is only necessary to increase or decrease the N-throw node of ASM.
  • the development trend of the clearance and thickness of mobile terminals is gradually decreasing.
  • the development trend of mobile terminal width is gradually increasing.
  • a multi-antenna architecture is introduced, two or more antennas can be accommodated on the original antenna base due to the sufficient width. These multiple antennas are responsible for different frequency bands or different paths (Example 1: The transmitting and receiving paths are responsible for different antennas.
  • Example 2 GSM and 3G paths are responsible for different paths.).
  • a high-performance antenna is designed by reducing the frequency band or path that each antenna is responsible for. Therefore, the multi-antenna architecture is very beneficial for smart terminal antenna and RF performance improvement.
  • the present invention provides a new mobile terminal and a multi-antenna implementation method thereof.
  • a mobile terminal provided by an embodiment of the present invention includes: a multi-tool multi-throw antenna switch or a plurality of single-pole multi-throw antenna switches, and two or more antennas, and the one multi-tool multi-throw antenna
  • the switch or the plurality of single-pole multi-throw antenna switches are used to feed signals of different frequency bands of the mobile terminal to two or more antennas.
  • the mobile terminal of the first embodiment uses an RF architecture of an MPMT (multi-tool multi-throw) antenna switch to match the multi-antenna scheme, as shown in FIG. 2, wherein 100 is a multi-tool multi-throw antenna switch.
  • the first filter 101 and the second filter 102 are GSM transmit low pass filters, and the first filter 101 and the second filter 102 are integrated into the multi-pole multi-throw antenna switch 100.
  • 110 is a first single-pole multi-throw antenna switch inside the multi-pole multi-throw antenna switch 100
  • 120 is a second single-pole multi-throw antenna switch inside the multi-pole multi-throw antenna switch 100.
  • the first antenna 10 is connected to the first single-pole multi-throw antenna switch 110 in the multi-pole multi-throw antenna switch 100, and the second antenna 20 is connected to the second single-pole multi-throw antenna switch 120 in the multi-pole multi-throw antenna switch 100.
  • the GSM850/900 two-band transmission module (GSM850/900 TX Module) is connected to the first single-pole multi-throw antenna switch 110 through the first filter 101; GSM 850 band receiving module (GSM850 Rx Module), GSM 900-band receiver module (GSM900 Rx Module), WCDMA band 5 or band 8 duplexer (BC5 or BC8)
  • the Duplex is connected to the first single-pole multi-throw antenna switch 110 in the multi-pole multi-throw antenna switch 100.
  • Transmitter module for two bands of GSM 1800/1900 (DCS/PCS TX
  • the Module is connected to the second single-pole multi-throw antenna switch 110 through a second filter 102 inside the multi-pole multi-throw antenna switch 100.
  • Receiver module for GSM 1800 band (DCS Rx Module), GSM 1900 Band Receiver Module (PCS Rx Module), WCDMA Band 1 or Band 2 Duplexer (BC1 or BC2) Duplex), WCDMA Band 4 Duplexer (AWS Duplex) is connected to the second single-pole multi-throw antenna switch 120 in the multi-pole multi-throw antenna switch 100
  • an MPMT (multi-tool multi-throw) antenna switch is used to connect a signal line of different frequency bands transmitted by the mobile terminal to the one multi-pole multi-throw antenna switch 100, and the one is connected. Multiple-pole multi-throw antenna switches are fed to different antennas.
  • the GSM850/900 two-band transmission module As shown in Figure 2, the GSM850/900 two-band transmission module (GSM850/900 TX)
  • the signal line of the Module is connected to the multi-pole multi-throw antenna switch 100, and is fed to the antenna 10 through the multi-pole multi-throw antenna switch 100.
  • Transmitter module for two bands of GSM 1800/1900 DCS/PCS
  • the TX Module is connected to the multi-pole multi-throw antenna switch 100, and is fed to the antenna 20 through the multi-pole multi-throw antenna switch 100.
  • the frequency band responsible for each antenna is reduced, so that the optimum antenna performance can be obtained under the same antenna headroom.
  • each output can only be connected to a part of the input port.
  • the benefits of this architecture are reduced control logic, reduced cost, and easier switching performance optimization.
  • the present invention provides a multi-antenna implementation method for a mobile terminal, including the steps of: setting a multi-tool multi-throw antenna switch or a plurality of single-pole multi-throw antenna switches to move different frequency bands of the mobile terminal.
  • the signal is fed to two or more antennas respectively through the one multi-pole multi-throw antenna switch or the plurality of single-pole multi-throw antenna switches.
  • the first mobile terminal multi-antenna implementation method sets one multi-tool multi-throw antenna switch 100, and transmits different frequency bands (GSM850/900) transmitted by the mobile terminal.
  • the TX Module and the DCS/PCS TX Module are respectively fed to different antennas (the first antenna 10 and the second antenna 20) by the one multi-tool multi-throw antenna switch 100.
  • the present invention also proposes that different paths can be fed to different antennas.
  • the mobile terminal according to the second embodiment of the present invention uses one.
  • the MPMT (multi-tool multi-throw) antenna switch feeds the transmit and receive paths to different antennas.
  • the transmitting path 220 and the receiving path 210 of the mobile terminal are connected to the one multi-pole multi-throw antenna switch 100, and the multi-pole multi-throw antenna switch 100 is respectively fed to different antennas ( The first antenna 10 and the second antenna 20).
  • the transmission path 220 includes: a transmitting module of two frequency bands GSM 1800/1900 (DCS/PCS) TX Module), GSM 850 and 900 transmit modules (GSM850/900 TX) Module) is fed to the second antenna 20 through the multi-pole multi-throw antenna switch 100.
  • WCDMA band 5 or band 8 duplexer BC5 or BC8 Duplex
  • WCDMA Duplexer BC1 or BC2 Duplex
  • WCDMA Band 4 (AWS) Duplex is fed to the second antenna 20 through the multi-pole multi-throw antenna switch 100
  • the receiving path 210 includes: a GSM 1800 band receiving module (DCS Rx Module), GSM 850 band receiving module (GSM850 Rx Module), GSM 900 band receiving module (GSM900 Rx Module), GSM Receiver Module for 1900 Band (PCS Rx Module) is fed to the first antenna 10 through the multi-pole multi-throw antenna switch 100.
  • DCS Rx Module GSM 1800 band receiving module
  • GSM850 Rx Module GSM 850 band receiving module
  • GSM900 Rx Module GSM Receiver Module for 1900 Band
  • PCS Rx Module GSM Receiver Module for 1900 Band
  • each output port can only be connected to a part of the input port.
  • the architecture shown in Figure 3 has only WCDMA and GSM dual mode. If it is multimode or CDMA2000, GSM dual mode, the implementation is the same. The transmit and receive paths are separated and fed to different antennas.
  • the present invention further provides a second mobile terminal multi-antenna implementation method.
  • the mobile terminal transmitting path 220 and the receiving path 210 are adopted to pass the one multi-tool multi-throwing.
  • the antenna switches are fed to different antennas.
  • the mobile terminal transmit path 220 is fed to the second antenna 20 through the multi-pole multi-throw antenna switch 100, and the receive path 210 is fed to the first antenna 10 through the multi-pole multi-throw antenna switch 100.
  • the invention also proposes that different systems can be fed to different antennas.
  • the mobile terminal according to the third embodiment of the present invention feeds different systems by using MPMT (multi-tool multi-throw) antenna switch. Different antennas.
  • MPMT multi-tool multi-throw
  • a signal line of different standards of the mobile terminal is connected to the one multi-pole multi-throw antenna switch, and the multi-pole multi-throw antenna switch is respectively fed to different antennas.
  • the embodiment shown in FIG. 4 feeds the GSM path 420 and the WCDMA path 410 to different antennas via a multi-pole multi-throw antenna switch 100, respectively.
  • the WCDMA path 410 includes: a WCDMA band 1 or a band 2 duplexer (BC1 or BC2). Duplex), WCDMA Band 5 or Band 8 Duplexer (BC5 or BC8 Duplex), WCDMA Band 4 Duplexer (AWS) Duplex) is fed to the first antenna 10 by a multi-pole multi-throw antenna switch 100.
  • a WCDMA band 1 or a band 2 duplexer BC1 or BC2.
  • Duplex WCDMA Band 5 or Band 8 Duplexer
  • BC5 or BC8 Duplex WCDMA Band 4 Duplexer
  • AWS WCDMA Band 4 Duplexer
  • GSM path 420 includes: GSM 1800/1900 two-band transmit module (DCS/PCS TX Module), GSM850/900 two-band transmit module (GSM850/900 TX Module), GSM high-band receive module (GSM HB RX) Module), GSM low band receiving module (GSM LB RX Module),
  • the second antenna 20 is fed through the multi-pole multi-throw antenna switch 100. In this way, the system responsible for each antenna is reduced, so that the optimal antenna performance can be obtained under the same antenna headroom.
  • each output can be connected only to a part of the input ports.
  • the architecture shown in Figure 4 shows only WCDMA and GSM dual-mode solutions. If it is WCDMA and CDMA dual mode or WCDMA, DMA2000, 4G and other multimode modes, the solution is the same. Different systems are fed to different antennas.
  • the present invention also provides a third mobile terminal multi-antenna implementation method.
  • the mobile terminal is set to different formats (such as the GSM path 420 and WCDMA shown in FIG. 4).
  • the path 410) is fed to the different antennas (the second antenna 20 and the first antenna 10) by the one multi-pole multi-throw antenna switch 100, respectively.
  • multiple single-pole multi-throw antenna switches can form one multi-pole multi-throw antenna switch, so the RF architecture for multiple single-pole multi-throw antenna switches to match the multi-antenna scheme is similar to one multi-pole multi-throw antenna switch. This is not to repeat.
  • the mobile terminal and the multi-antenna implementation method provided by the present invention use a multi-tool multi-throw antenna switch or a plurality of single-pole multi-throw antenna switches to pass signals of different frequency bands of the mobile terminal through the 1
  • a multi-tool multi-throw antenna switch or a plurality of single-pole multi-throw antenna switches are respectively fed to two or more antennas, and the structure is simple and easy to implement, and the antenna and radio frequency performance of the mobile terminal are improved.
  • Optimized multi-antenna design for optimal RF and antenna performance has the following advantages:

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Abstract

本发明涉及移动通信领域，公开了一种移动终端及其多天线实现方法。所述方法包括设置1个多刀多掷天线开关或多个单刀多掷天线开关，将移动终端不同频段的信号通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给两个或两个以上的天线；本发明所提供的移动终端及其多天线实现方法，由于采用了设置1个多刀多掷天线开关或多个单刀多掷天线开关，将移动终端不同频段的信号通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给两个或两个以上的天线，其结构简单，实现容易，改善了移动终端的天线和射频性能。可以最优化的匹配多天线设计从而获得最佳的RF和天线性能。

Description

一种移动终端及其多天线实现方法
技术领域
本发明涉及移动通信领域，尤其涉及的是一种移动终端及其多天线实现方法。
背景技术
随着移动通信的发展和人们生活水平的提高，移动通信终端的使用越来越普及，目前的移动通信终端已经进入多模多频的时代。典型的移动通信终端会支持GSM四个频段（GSM850、GSM900、DCS、PCS）和WCDMA多频端（如WCDMA BC1/BC8或者BC2/BC5或BC1/2/4/5/8等。
当然也有支持CDMA2000和GSM的双模终端，或TD-SCDMA和GSM的双模终端等。现有的终端功能趋势由于支持多频段，对天线设计是一个很大的考验。
与支持频段越来越多对应的是终端的天线区域被一再压缩。因为终端被要求越来越薄，越来越美观，所以天线的高度、净空等关键条件被不断缩减。为了外观和整体的用户体验，甚至要求在天线区域放入扬声器（Speaker）、受话器（Receiver）、摄像头（Camera）。这些器件都使得移动终端单天线的设计变得困难。
现有的终端都是采用单天线架构的。用一支天线来满足如此多频段其设计困难很大，技术复杂，实现成本高，且现有技术的移动终端单天线无法获得最佳的RF（射频）和天线性能。
因此，现有技术还有待于改进和发展。
发明内容
本发明要解决的技术问题在于，针对现有技术的上述缺陷，提供一种移动终端及其多天线实现方法，其结构简单，实现容易，改善了移动终端的天线和射频性能。
本发明解决技术问题所采用的技术方案如下：
一种移动终端多天线实现方法，其中，包括步骤:
A、设置1个多刀多掷天线开关或多个单刀多掷天线开关，将移动终端不同频段的信号通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给两个或两个以上的天线。
所述移动终端多天线实现方法，其中，所述步骤A还包括：
设置将移动终端发射的不同频段通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
所述移动终端多天线实现方法，其中，所述步骤A还包括：
设置将移动终端发射通路和接收通路通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
所述移动终端多天线实现方法，其中，所述步骤A还包括：
设置将移动终端不同制式通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
所述移动终端多天线实现方法，其中，所述多刀多掷天线开关包括多个输入口和多个输出口，其每个输出口都能连接到任何一个输入口，或者每个输出口连接到其中的一部分输入口。
一种移动终端，其中，包括：1个多刀多掷天线开关或多个单刀多掷天线开关、及两个或两个以上的天线，所述1个多刀多掷天线开关或多个单刀多掷天线开关用于将移动终端不同频段的信号馈给两个或两个以上的天线。
所述移动终端，其中，设置将移动终端发射的不同频段的信号线与所述1个多刀多掷天线开关或多个单刀多掷天线开关连接，通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
所述移动终端，其中，设置将移动终端发射通路和接收通路与所述1个多刀多掷天线开关或多个单刀多掷天线开关连接，通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
所述移动终端，其中，设置将移动终端不同制式的信号线与所述1个多刀多掷天线开关或多个单刀多掷天线开关连接，通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
所述移动终端，其中，所述多刀多掷天线开关包括多个输入口和多个输出口，其每个输出口都能连接到任何一个输入口，或者每个输出口连接到其中的一部分输入口。
本发明所提供的移动终端及其多天线实现方法，由于采用了设置1个多刀多掷天线开关或多个单刀多掷天线开关，将移动终端不同频段的信号通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给两个或两个以上的天线，其结构简单，实现容易，改善了移动终端的天线和射频性能。可以最优化的匹配多天线设计从而获得最佳的RF和天线性能。并具有如下优点:
1）、由于采用1个MPMT（多刀多掷）天线开关（ASM，Antenna Switch）将移动终端的不同频段的信号馈给两支或两支以上的天线。这种情况下，单支天线负责的频段减少，相应的净空要求也会较少，其结果是在恶劣的条件下仍然获得最佳的天线性能。
2）、由于采用MPMT（多刀多掷）天线开关或者单刀多掷天线开关，将移动终端的发射和接收分开，分别馈给不同天线（两支或两支以上的天线）。以便可以专门为发射和接收分别设计最优化的天线。提高移动终端射频性能。
3）、由于采用1个多刀多掷天线开关或多个单刀多掷天线开关，将移动终端的不同制式（可以但不限于: 1、GSM和3G制式分开；2、3G和4G制式分开等）分别馈给不同天线。从而每支天线负责制式减少，以便可以最优化的为该制式设计天线。
附图说明
图1是现有的移动通信终端的射频天线架构示意图。
图2是本发明第一实施例的使用多刀多掷天线开关的移动终端结构示意图。
图3是本发明第二实施例的使用多刀多掷天线开关的移动终端结构示意图。
图4是本发明第三实施例的使用多刀多掷天线开关的移动终端结构示意图。
具体实施方式
本发明中用到的一些词中英文对照如下：
ANT： 移动终端天线；
ESD Protection： 静电防护器件；
SP9T： 单刀9掷开关；
GSM850/900 TX： GSM 850和90两个频段的发射通路；
1800/1900 TX： GSM 1800和1900两个频段的发射通路；
Rx1，Rx2，Rx3,Rx4: GSM850/900/1800/1900的接收通路，可以任意指定Rxn分配给GSM某条通路。
UMTS1/2/3： WCDMA 射频通路1/2/3；
GSM850/900 TX Module: GSM850/900两个频段的发射模组；
DCS/PCS TX Module: GSM 1800/1900两个频段的发射模组；
GSM850 Rx Module： GSM 850频段的接收模组；
GSM900 Rx Module： GSM 900频段的接收模组；
PCS Rx Module： GSM 1900频段的接收模组；
DCS Rx Module： GSM 1800频段的接收模组；
BC1 or BC2 Duplex： WCDMA 频段1或者频段2的双工器，取决于终端支持哪种频段；
BC5 or BC8 Duplex： WCDMA 频段5或者频段8的双工器，取决于终端支持哪种频段；
AWS Duplex： WCDMA 频段4的双工器，取决于终端支持哪种频段。
现有的移动通信终端尤其是智能终端往往是多模多频（Multi-Mode Multi Band, MMMB）的终端。一个典型的WCDMA3频，GSM4频的终端射频和天线框图如图1所示。其中，50为智能终端天线（ANT）；51为ESD Protection（静电防护器件）；52为SP9T（单刀9掷天线开关）；53为GSM 850和90两个频段的发射通路（GSM850/900 TX）；54为GSM 1800和1900两个频段的发射通路（1800/1900 TX）。Rx1，Rx2，Rx3，Rx4分别为: GSM850/900/1800/1900的接收通路，可以任意指定Rxn分配给GSM某条通路。UMTS1/2/3是：WCDMA 射频通路。
GSM850/900两个频段的发射模组（GSM850/900 TX Module）通过GSM 850和90两个频段的发射通路53与单刀9掷天线开关52连接； GSM 1800/1900两个频段的发射模组（DCS/PCS TX Module）通过GSM 1800和1900两个频段的发射通路54与单刀9掷天线开关52连接； GSM 850频段的接收模组（GSM850 Rx Module）通过GSM850的接收通路Rx1与单刀9掷天线开关52连接； GSM 900频段的接收模组（GSM900 Rx Module）通过GSM900的接收通路Rx2与单刀9掷天线开关52连接。
GSM 1900频段的接收模组（PCS Rx Module）通过GSM1800的接收通路Rx3与单刀9掷天线开关52连接；GSM 1800频段的接收模组(DCS Rx Module)通过GSM1900的接收通路Rx4与单刀9掷天线开关52连接；WCDMA 频段1或者频段2的双工器（BC1 or BC2 Duplex）通过UMTS1与单刀9掷天线开关52连接；WCDMA 频段1或者频段2的双工器取决于终端支持哪种频段；WCDMA 频段5或者频段8的双工器（BC5 or BC8 Duplex）通过UMTS2与单刀9掷天线开关52连接，WCDMA 频段5或者频段8的双工器取决于终端支持哪种频段。WCDMA 频段4的双工器（AWS Duplex）通过UMTS3与单刀9掷天线开关52连接，WCDMA 频段4的双工器取决于终端支持哪种频段。
从图1中可以看出，移动终端各个制式、各个频段的信号最后都会经过一个天线开关ASM馈给天线。现有设计里面都是采用1个单刀N掷（SPNT）开关，这里N可以但是不限于9，如图1所示的SP9T单刀9掷天线开关。其中3G频段可以但不限于3个频段，GSM可以但不限于4个频段。图1为了说明方便，选择是目前最流行的GSM四个频段+WCDMA三个频段的方案。如果频段有增加或减少，仅需要提高或者减少ASM的N掷节点即可。
上述方案在单天线的设计，无论从节省PCB板子的空间，还是从射频性能方面来说，都是很好的。但是一旦需要采用多天线设计方案，其不足就比较明显了。
随着移动通信的发展，移动终端的净空、厚度的发展趋势是逐渐减少的。而移动终端宽度的发展趋势却是逐渐增加的。如果引入多天线架构，由于宽度足够，可以在原来的天线基座上容纳两个或两个以上的天线。这多支天线分别负责不同的频段或者不同的通路（例1：发射和接收通路由不同天线负责。例2：GSM和3G通路由不同通路负责。）。在净空和厚度等天线关键指标不改变的情况下，通过减少每支天线负责的频段或者通路，从而设计出高性能的天线。因此，多天线架构非常有利于智能终端天线和射频性能改善。同时，为了最优化地与这种多天线架构相匹配，本发明提供了一种新的移动终端及其多天线实现方法。
为使本发明的目的、技术方案及优点更加清楚、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仅用以解释本发明，并不用于限定本发明。
本发明实施例所提供的一种移动终端，包括：1个多刀多掷天线开关或多个单刀多掷天线开关、及两个或两个以上的天线，所述1个多刀多掷天线开关或多个单刀多掷天线开关用于将移动终端不同频段的信号馈给两个或两个以上的天线。
其中第一实施例的移动终端，使用一个MPMT（多刀多掷）天线开关的射频架构来匹配多天线方案，如图2所示，其中，100为多刀多掷天线开关。第一滤波器101和第二滤波器102为GSM的发射低通滤波器，该第一滤波器101和第二滤波器102被整合到多刀多掷天线开关100中了。110为多刀多掷天线开关100内部的第一单刀多掷天线开关，120为多刀多掷天线开关100内部的第二单刀多掷天线开关。
其中，第一天线10与多刀多掷天线开关100内的第一单刀多掷天线开关110连接，第二天线20与多刀多掷天线开关100内的第二单刀多掷天线开关120连接。
如图2所示，GSM850/900两个频段的发射模组（GSM850/900 TX Module）通过第一滤波器101与第一单刀多掷天线开关110连接； GSM 850频段的接收模组（GSM850 Rx Module）、 GSM 900频段的接收模组（GSM900 Rx Module）、WCDMA 频段5或者频段8的双工器（BC5 or BC8 Duplex）与多刀多掷天线开关100内的第一单刀多掷天线开关110连接。
GSM 1800/1900两个频段的发射模组（DCS/PCS TX Module）通过多刀多掷天线开关100内部的第二滤波器102与第二单刀多掷天线开关110连接。GSM 1800频段的接收模组（DCS Rx Module）、GSM 1900频段的接收模组（PCS Rx Module）、WCDMA 频段1或者频段2的双工器（BC1 or BC2 Duplex）、WCDMA 频段4的双工器（AWS Duplex）与多刀多掷天线开关100内的第二单刀多掷天线开关120连接
图2所示的实施例中，利用一个MPMT（多刀多掷）天线开关，设置将移动终端发射的不同频段的信号线与所述1个多刀多掷天线开关100连接，通过该1个多刀多掷天线开关分别馈给不同的天线。
如图2所示，将GSM850/900两个频段的发射模组（GSM850/900 TX Module）的信号线与多刀多掷天线开关100连接，通过该多刀多掷天线开关100馈给天线10。GSM 1800/1900两个频段的发射模组（DCS/PCS TX Module）与多刀多掷天线开关100连接，通过该多刀多掷天线开关100馈给天线20。
这样图2所示的实施例中每支天线负责的频段都减少了，从而在相同的天线净空下，可以获得最优化的天线性能。
图2所示的架构中，只有两个天线。如果需要多于两个天线，需要增加多刀多掷天线开关100的输出端口。同时图2所示的天线开关中，每一个输出仅仅可以连接到一部分输入端口。这种架构的好处了控制逻辑减少，成本也减少，开关性能更容易优化。
当然如果需要更灵活的设计，也可以使用另一种每个输出都可连接到任何一个输出端口的多刀多掷天线开关（原理与图2的实施例相似，故在此不再赘述）。
基于上述第一实施例的移动终端，本发明提供了一种移动终端多天线实现方法，包括步骤:设置1个多刀多掷天线开关或多个单刀多掷天线开关，将移动终端不同频段的信号通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给两个或两个以上的天线。其中第一种移动终端多天线实现方法，如图2所示，设置1个多刀多掷天线开关100，并将移动终端发射的不同频段（GSM850/900 TX Module 和DCS/PCS TX Module）通过该1个多刀多掷天线开关100分别馈给不同的天线（第一天线10和第二天线20）。
除了将不同频段的射频馈给不同天线的方案外，本发明也提出了可以将不同的通路馈给不同的天线，如图3所示，为本发明第二实施例的移动终端，使用1个MPMT（多刀多掷）天线开关的将发射和接收通路分别馈给不同的天线。
如图3所示，设置将移动终端的发射通路220和接收通路210与所述1个多刀多掷天线开关100连接，通过该1个多刀多掷天线开关100分别馈给不同的天线（第一天线10和第二天线20）。
如图3所示，该实施例中，发射通路220包括： GSM 1800/1900两个频段的发射模组（DCS/PCS TX Module）、GSM 850和900两个频段的发射模组（GSM850/900 TX Module），通过多刀多掷天线开关100馈给第二天线20。而WCDMA 频段5或者频段8的双工器（BC5 or BC8 Duplex）、WCDMA 频段1或者频段2的双工器（BC1 or BC2 Duplex）、WCDMA 频段4的双工器（AWS Duplex）通过多刀多掷天线开关100馈给第二天线20
接收通路210包括：GSM 1800频段的接收模组（DCS Rx Module）、GSM 850频段的接收模组（GSM850 Rx Module）、GSM 900频段的接收模组（GSM900 Rx Module）、GSM 1900频段的接收模组（PCS Rx Module），通过多刀多掷天线开关100馈给第一天线10。这样，每支天线负责的工作模式和频段都减少了，从而在相同的天线净空下，可以获得最优化的天线性能。
图3所示的架构中，只有两个天线。如果需要多于两个天线，仅仅需要增加开关的输出端口来实现。同时图3所示的天线开关中，每一个输出端口仅可以连接到一部分输入端口。当然如果需要更灵活的设计，也可以使用另一种每个输出都可连接到任何一个输出端口的多刀多掷天线开关。
图3所示的架构中只有WCDMA和GSM双模方式。如果是多模或者CDMA2000、GSM双模方式，实现方式是一样的。即将发射和接收通路分开，馈给不同天线。
同时，也可以利用多个单刀多掷的天线开关，来替换MPMT（多刀多掷）开关来完成这项设计。原理类似，在此不再赘述。
基于上述第二实施例的移动终端，本发明还提供了第二种移动终端多天线实现方法，如图3所示，采用将移动终端发射通路220和接收通路210通过该1个多刀多掷天线开关分别馈给不同的天线。如图3所示的，将移动终端发射通路220通过多刀多掷天线开关100馈给第二天线20，将接收通路210通过多刀多掷天线开关100馈给第一天线10。
本发明也提出了可以将不同的制式馈给不同的天线，如图4所示，为本发明第三实施例的移动终端，使用MPMT（多刀多掷）天线开关的将不同制式分别馈给不同的天线。
如图4所示 ，设置将移动终端不同制式的信号线与所述1个多刀多掷天线开关连接，通过该1个多刀多掷天线开关分别馈给不同的天线。图4所示的实施例通过多刀多掷天线开关100将GSM的通路420和WCDMA的通路410分别馈给不同天线。
如图4所示，WCDMA的通路410包括：WCDMA 频段1或者频段2的双工器(BC1 or BC2 Duplex)、WCDMA 频段5或者频段8的双工器(BC5 or BC8 Duplex)、WCDMA 频段4的双工器(AWS Duplex)，通过多刀多掷天线开关100馈给第一天线10。GSM的通路420包括：GSM 1800/1900两个频段的发射模组（DCS/PCS TX Module）、GSM850/900两个频段的发射模组（GSM850/900 TX Module）、GSM 高频段的接收模组（GSM HB RX Module）、GSM 低频段的接收模组（GSM LB RX Module）, 通过多刀多掷天线开关100馈给第二天线20。这样，每支天线负责的制式都减少了，从而在相同的天线净空下，可以获得最优化的天线性能。
图4所示的架构中，只有两个天线（第一天线10和第二天线20）。如果需要多于两个天线，仅仅需要增加多刀多掷开关100的输出端口。同时图4所示的多刀多掷开关100中，每一个输出仅仅可以连接到一部分输入端口。
当然如果需要更灵活的设计，也可以使用另一种每个输出都可连接到任何一个输出端口的多刀多掷天线开关，原理类似，在此不再赘述。
图4所示的架构只显示了WCDMA和GSM双模的解决方案。如果是WCDMA和CDMA双模或者是WCDMA、DMA2000、4G等多模方式下，解决方案是一样的。即将不同的制式馈给不同的天线。
基于上述第三实施例的移动终端，本发明还提供了第三种移动终端多天线实现方法，如图4所示，设置将移动终端不同制式（如图4所示的GSM的通路420和WCDMA的通路410）通过该1个多刀多掷天线开关100分别馈给不同的天线（第二天线20和第一天线10）。
同时，也可以利用多个单刀多掷的天线开关，来替换MPMT（多刀多掷）开关来完成这项设计。而多个单刀多掷天线开关可以构成一个1个多刀多掷天线开关，所以关于多个单刀多掷天线开关的射频架构来匹配多天线方案与一个1个多刀多掷天线开关相似，在此不在赘述。
综上所述，本发明所提供的移动终端及其多天线实现方法，由于采用了设置1个多刀多掷天线开关或多个单刀多掷天线开关，将移动终端不同频段的信号通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给两个或两个以上的天线，其结构简单，实现容易，改善了移动终端的天线和射频性能。可以最优化的匹配多天线设计从而获得最佳的RF和天线性能。并具有如下优点:
1）、由于采用1个MPMT（多刀多掷）天线开关ASM将移动终端的不同频段的信号馈给两支或两支以上的天线。这种情况下，单支天线负责的频段减少，相应的净空要求也会较少，其结果是在恶劣的条件下仍然获得最佳的天线性能。
2）、由于采用MPMT（多刀多掷）天线开关或者单刀多掷天线开关，将移动终端的发射和接收分开，分别馈给不同天线（两支或两支以上的天线），以便可以专门为发射和接收分别设计最优化的天线。提高移动终端射频性能。
3）、由于采用1个多刀多掷天线开关或多个单刀多掷天线开关，将移动终端的不同制式（可以但不限于: 1、GSM和3G制式分开；2、3G和4G制式分开等）分别馈给不同天线，从而每支天线负责制式减少，以便可以最优化的为该制式设计天线。
应当理解的是，本发明的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (10)

  1. 一种移动终端多天线实现方法，其特征在于，包括步骤:
    A、设置1个多刀多掷天线开关或多个单刀多掷天线开关，将移动终端不同频段的信号通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给两个或两个以上的天线。
  2. 根据权利要求1所述移动终端多天线实现方法，其特征在于，所述步骤A还包括：
    设置将移动终端发射的不同频段通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
  3. 根据权利要求1所述移动终端多天线实现方法，其特征在于，所述步骤A还包括：
    设置将移动终端发射通路和接收通路通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
  4. 根据权利要求1所述移动终端多天线实现方法，其特征在于，所述步骤A还包括：
    设置将移动终端不同制式通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
  5. 根据权利要求1所述移动终端多天线实现方法，其特征在于，所述多刀多掷天线开关包括多个输入口和多个输出口，其每个输出口都能连接到任何一个输入口，或者每个输出口连接到其中的一部分输入口。
  6. 一种移动终端，其特征在于，包括：1个多刀多掷天线开关或多个单刀多掷天线开关、及两个或两个以上的天线，所述1个多刀多掷天线开关或多个单刀多掷天线开关用于将移动终端不同频段的信号馈给两个或两个以上的天线。
  7. 根据权利要求6所述移动终端，其特征在于，设置将移动终端发射的不同频段的信号线与所述1个多刀多掷天线开关或多个单刀多掷天线开关连接，通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
  8. 根据权利要求6所述移动终端，其特征在于，设置将移动终端发射通路和接收通路与所述1个多刀多掷天线开关或多个单刀多掷天线开关连接，通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
  9. 根据权利要求6所述移动终端，其特征在于，设置将移动终端不同制式的信号线与所述1个多刀多掷天线开关或多个单刀多掷天线开关连接，通过该1个多刀多掷天线开关或多个单刀多掷天线开关分别馈给不同的天线。
  10. 根据权利要求6所述移动终端，其特征在于，所述多刀多掷天线开关包括多个输入口和多个输出口，其每个输出口都能连接到任何一个输入口，或者每个输出口连接到其中的一部分输入口。
PCT/CN2012/071172 2011-02-16 2012-02-15 一种移动终端及其多天线实现方法 WO2012109988A1 (zh)

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