WO2013063923A1 - Module frontal radiofréquence, terminal multimode et procédé de transmission du signal du terminal multimode - Google Patents

Module frontal radiofréquence, terminal multimode et procédé de transmission du signal du terminal multimode Download PDF

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Publication number
WO2013063923A1
WO2013063923A1 PCT/CN2012/075949 CN2012075949W WO2013063923A1 WO 2013063923 A1 WO2013063923 A1 WO 2013063923A1 CN 2012075949 W CN2012075949 W CN 2012075949W WO 2013063923 A1 WO2013063923 A1 WO 2013063923A1
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WO
WIPO (PCT)
Prior art keywords
signal
radio frequency
end module
time division
frequency front
Prior art date
Application number
PCT/CN2012/075949
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English (en)
Chinese (zh)
Inventor
孙井群
陈子轩
徐杰
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2013063923A1 publication Critical patent/WO2013063923A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges

Definitions

  • the present invention relates to mobile communication technologies, and in particular, to a method for transmitting signals by a radio frequency front end module, a multimode terminal, and a multimode terminal.
  • GSM Global System for Mobile Communication
  • WCDMA Wideband Code Division Multiple Access
  • FIG. 1 Currently, in the architecture scheme of the WCDMA/GSM dual-mode mobile phone, a common implementation method is as shown in FIG. 1.
  • the baseband chip 100, the radio frequency front end circuit 200, the WCDMA/GSM radio frequency transceiver 300, the GSM power amplifier 310, and the WCDMA are required.
  • RX SAW GSM receive filter
  • the embodiment of the invention provides a method for transmitting signals by a radio frequency front-end module, a multi-mode terminal and a multi-mode terminal, so as to solve the problem that the existing multi-mode terminal occupies a large PCB area.
  • the embodiment of the present invention provides a radio frequency front end module, which is applied to a multimode terminal, where the radio frequency front end module includes a control module and a power amplifier and a switch circuit connected to the control module, where:
  • the control module is configured to: send an operation mode indication signal to the power amplifier according to a control signal from the baseband chip and send a switching indication signal to the switch circuit;
  • the power amplifier is set to: work sent by the control module In the working mode indicated by the mode indication signal, the input time division access signal is amplified and output to the switch circuit;
  • the switch circuit is configured to: output the power amplifier according to a switching instruction signal sent by the control module The time division access signal is switched to the common path.
  • the switch circuit is further configured to: switch the code division access signal of the common path to the corresponding transceiver path according to the switching indication signal sent by the control module.
  • the radio frequency front end module further includes:
  • the filtering module is configured to: connect to the switch circuit, receive a time division access signal sent by the switch circuit, filter the time division access signal, and output the signal.
  • the time division access signal is a Global System for Mobile Communications (GSM) signal, a Time Division Synchronous Code Division Multiple Access (TD-SCDMA) signal or a Personal Handyphone System (PHS) signal; Wideband Code Division Multiple Access (WCDMA) signals or Code Division Multiple Access (CDMA) signals.
  • GSM Global System for Mobile Communications
  • TD-SCDMA Time Division Synchronous Code Division Multiple Access
  • PHS Personal Handyphone System
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • Embodiments of the present invention provide a multimode terminal, including a baseband chip, a radio frequency transceiver, and a radio frequency front end module, which are sequentially connected, where:
  • the radio frequency front end module uses the above radio frequency front end module.
  • the multimode terminal further includes a time division access signal filter connected to the radio frequency front end module, and the time division access signal filter is located in the radio frequency transceiver.
  • An embodiment of the present invention provides a multimode terminal, including a baseband chip, a radio frequency transceiver, and a radio frequency front end module, which are sequentially connected, wherein
  • the radio frequency front end module uses the above radio frequency front end module.
  • An embodiment of the present invention provides a method for transmitting a signal by a multimode terminal, where the method includes: receiving, by a radio frequency front end module, a control signal sent by a baseband chip;
  • the RF front-end module amplifies and inputs the input time-division input signal in an operation mode indicated by the control signal.
  • the method further includes: The radio frequency front end module filters and receives the received time division access signal.
  • the time division access signal is a Global System for Mobile Communications (GSM) signal, a Time Division Synchronous Code Division Multiple Access (TD-SCDMA) signal or a Personal Handyphone System (PHS) signal.
  • GSM Global System for Mobile Communications
  • TD-SCDMA Time Division Synchronous Code Division Multiple Access
  • PHS Personal Handyphone System
  • the dual-mode terminal of the above architecture reduces at least one chip compared with the existing dual-mode terminal, and the circuit connection is greatly simplified, which makes sense for the miniaturization of the dual-mode terminal.
  • FIG. 1 is a schematic diagram of an existing WCDMA/GSM dual mode mobile phone architecture
  • FIG. 2 is a schematic structural diagram of an embodiment of a radio frequency front end module according to the present invention.
  • Embodiment 1 of a dual mode terminal is a schematic structural diagram of Embodiment 1 of a dual mode terminal according to the present invention.
  • Embodiment 2 of a dual mode terminal according to the present invention.
  • Preferred embodiment of the invention
  • the radio frequency front end module includes a control module and a power amplifier and a switch circuit connected to the control module, where: the control module is configured to a control signal of the baseband chip transmits an operation mode indication signal to the power amplifier and a switching indication signal to the switch circuit;
  • the power amplifier is configured to: when the working mode indication signal sent by the control module is in an operation mode, the input time division access signal is amplified and output to the switch circuit;
  • the switch circuit is configured to switch the time division access signal output by the power amplifier to a common path according to a switching indication signal sent by the control module.
  • the switch circuit is further configured to switch the code division access signal of the common path to the corresponding transceiver path according to the handover indication signal sent by the control module.
  • the WCDMA signal is switched to the TRX1 path. That is, the power of at least one path of the antenna switch integrated by the above RF front-end module The capacity meets the requirements of WCDMA signals.
  • the switch circuit is further configured to switch the time division access signal of the common path to the corresponding receiving path according to the switching indication signal sent by the control module, for example, to switch the received signal of the GSM to the RX1 path.
  • the time division access signal may be a Global System for Mobile Communications (GSM) signal, a Time Division Synchronous Code Division Multiple Access (TD-SCDMA) signal or a Personal Handyphone System (PHS) signal; the above code division access signal may be a broadband code division Multiple Access (WCDMA) signals or Code Division Multiple Access (CDMA) signals.
  • GSM Global System for Mobile Communications
  • TD-SCDMA Time Division Synchronous Code Division Multiple Access
  • PHS Personal Handyphone System
  • WCDMA broadband code division Multiple Access
  • CDMA Code Division Multiple Access
  • FIG. 3 it is a schematic structural diagram of Embodiment 1 of a dual mode terminal according to the present invention.
  • the dual mode terminal includes the following six parts: a baseband chip 100, a dual mode RF transceiver 300, a WCDMA power amplifier 410, and a WCDMA duplexer 420.
  • the GSM receives the SAW (GSM RX SAW) 320 and the RF front end module 201 shown in FIG.
  • the GSM receiving SAW described above can also be integrated into the dual mode RF transceiver 300.
  • the above dual-mode RF transceiver performs transmission and reception processing of WCDMA and GSM signals.
  • the WCDMA power amplifier completes the linear amplification of WCDMA
  • the WCDMA duplexer completes the duplex transmission and reception of the WCDMA signal.
  • the RF front-end module integrates an antenna switch and a GSM power amplifier.
  • the GSM power amplifier module of the RF front end completes the amplification of the GSM signal; the switching circuit not only completes the transmission of the GSM transceiving signal, but also completes the transmission of the WCDMA bidirectional signal, wherein the WCDMA transmission signal is a high power signal, which is compatible with the existing commonly used radio frequency front end.
  • the power capacity of the at least one path of the antenna switch integrated with the RF front end of the present invention satisfies the requirements of the WCDMA signal.
  • the electromagnetic wave signal enters the switching circuit in the RF front-end module 201 through the common path through the common path, and under the control of the baseband chip 100, the switching circuit selects the corresponding receiving communication network, and the RF signal is The receiving loop that is sent to the corresponding frequency band.
  • the filtered RF signal enters the dual mode RF transceiver 300.
  • the dual-mode radio frequency transceiver 300 uses a zero-IF receiving scheme to directly convert the received RF signal to a baseband I/Q signal, and sends it to the baseband chip 100, and performs demodulation and decoding processing by the baseband chip 100. The original signal.
  • the baseband chip 100 performs the encoding, modulation, and the like processing of the original signal, and obtains the I/Q signal of the GSM or WCDMA, and sends the dual-mode radio frequency transceiver.
  • the transmitting portion of the dual-mode radio frequency transceiver 300 uses a directly-converted up-conversion scheme to perform a change processing on the input I/Q signal to obtain a radio-frequency modulated signal.
  • the GSM radio frequency modulated signal enters the power amplifying module of the radio frequency front end module 201 (the GSM power amplifying module in this embodiment); meanwhile, the baseband chip sends out the control signal, so that the GSM power amplifying module in the radio frequency front end module 201 is in a saturated working state, and the power is amplified.
  • the post-RF signal is sent to the switching circuit in the RF front-end module 201.
  • the switching circuit is controlled by the baseband chip 100 to select the GSM transmission path, and the RF signal is sent to the main antenna of the mobile phone through the common path; the WCDMA RF modulation signal enters the WCDMA power.
  • the baseband chip sends a control signal to make the WCDMA power amplifier 410 in a linear working state, and the power amplified RF signal is sent to the switching circuit in the RF front end module 201 after passing through the 420 in the WCDMA duplexer, and the switching circuit is subjected to
  • the control of the baseband chip 100 selects the WCDMA path and sends the RF signal to the main antenna of the mobile phone through the common path.
  • the WCDMA power amplifier 410 and the WCDMA duplexer 420 are not limited to two independent devices, and can be integrated into one functional module as needed.
  • the dual mode architecture in the above embodiment is not limited to WCDMA/GSM dual mode, and may also be CDMA/GSM dual mode.
  • the GSM part is not limited to the GSM standard, and may be a time division access mode such as TD-SCDMA or Personal Handyphone System (PHS);
  • the WCDMA part is not limited to the WCDMA standard, and may be a code division access mode of CDMA or the like.
  • the dual-mode terminal of the above architecture reduces one chip compared with the existing dual-mode terminal, and the circuit connection is greatly simplified, which is meaningful for the miniaturization of the dual-mode terminal.
  • the radio frequency front end module shown in FIG. 2 may further include: a filtering module, connected to the switch circuit, configured to receive a time division access signal sent by the switch circuit, and filter the time division access signal to output;
  • the dual mode terminal including the above-mentioned structure RF front end module is shown in FIG. 4, and the terminal includes the following five parts: a baseband chip 100, a dual mode radio frequency transceiver 300, a WCDMA power amplifier 410, a WCDMA duplexer 420, and a radio frequency front end module 202.
  • the difference between this embodiment and the embodiment shown in Fig. 3 is that the filtering module of the GSM system is integrated in the radio frequency front end module 202.
  • the electromagnetic wave signal is passed through the antenna.
  • the antenna switch selects the corresponding receiving path, and directly sends the GSM RF signal back to the dual-mode RF transceiver 300; the WCDMA signal is sent to the WCDMA duplex.
  • the 420 is filtered and sent back to the dual mode RF transceiver 300.
  • the dual-mode radio frequency transceiver 300 uses a zero-IF receiving scheme to directly convert the received RF signal to a baseband I/Q signal, and sends it to the baseband chip 100, and performs demodulation, decoding, etc. processing by the baseband chip 100. The original signal.
  • the baseband chip 100 performs the encoding, modulation, and the like processing of the original signal, and obtains the I/Q signal of the GSM or WCDMA, and sends the I/Q signal to the dual-mode RF transceiver 300.
  • the transmitting portion of the analog RF transceiver 300 uses a directly transformed upconversion scheme to perform a change processing on the input I/Q signal to obtain a radio frequency modulated signal.
  • the GSM radio frequency modulation signal enters the GSM power amplification module of the RF front end module 202.
  • the baseband chip sends out the control signal, so that the GSM power amplification module of the RF front end module 202 is in a saturated working state, and the power amplified RF signal is sent to the antenna switch in the RF front end module 202, and the antenna switch is controlled by the baseband chip 100.
  • the GSM transmission path sends the RF signal to the main antenna of the mobile phone through the common channel; the WCDMA RF modulation signal enters the WCDMA power amplifier 410, and the baseband chip sends the control signal to make the WCDMA power amplifier 410 in a linear working state, after power amplification
  • the RF signal is sent to the antenna switch in the RF front-end module 202 after passing through the 420 in the WCDMA duplexer.
  • the antenna switch is controlled by the baseband chip 100, selects the WCDMA channel, and sends the RF signal to the main antenna of the mobile phone through the common path.
  • the WCDMA power amplifier 410 and the WCDMA duplexer 420 are not limited to two independent devices, and can be integrated into one functional module as needed.
  • the dual mode architecture in the embodiment of the present invention is not limited to WCDMA/GSM dual mode, and may also be CDMA/GSM dual mode.
  • the GSM part is not limited to the GSM standard, and may be a time division access mode such as TD-SCDMA or Personal Handyphone System (PHS);
  • the WCDMA part is not limited to the WCDMA standard, and may be a code division access mode of CDMA or the like.
  • the dual-mode terminal of the above architecture reduces two chips compared with the existing dual-mode terminal, and the circuit connection is greatly simplified, which is meaningful for the miniaturization of the dual-mode terminal.
  • the above program may be stored in a computer readable storage medium such as a read only memory, a magnetic disk or an optical disk.
  • a computer readable storage medium such as a read only memory, a magnetic disk or an optical disk.
  • all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits.
  • each module/unit in the foregoing embodiment may be implemented in the form of hardware, or may be implemented in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.
  • the dual-mode terminal of the above architecture reduces at least one chip compared with the existing dual-mode terminal, and the circuit connection is greatly simplified, which makes sense for the miniaturization of the dual-mode terminal.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte à un module frontal radiofréquence, à un terminal multimode et à un procédé de transmission du signal du terminal multimode. Le module frontal radiofréquence comprend un module de contrôle, ainsi qu'un amplificateur de puissance et un circuit de commutation qui sont connectés au module de contrôle. Le module de contrôle est configuré de façon à transmettre, sur la base d'un signal de commande envoyé par une puce en bande de base, un signal d'indication de mode opératoire à l'amplificateur de puissance ainsi qu'un signal d'indication de commutation au circuit de commutation ; l'amplificateur de puissance est configuré de façon à, dans le mode opératoire indiqué par le signal d'indication de mode opératoire envoyé par le module de commande, amplifier un signal d'accès à division dans le temps entré et à délivrer en sortie le signal amplifié à destination du circuit de commutation ; le circuit de commutation est configuré de façon à commuter le signal d'accès à division dans le temps délivré en sortie par l'amplificateur de puissance, à une voie de passage publique, sur la base du signal d'indication de commutation envoyé par le module de contrôle. Comparé au terminal à mode double existant, le terminal à mode double décrit dans l'architecture susmentionnée présente les avantages suivants : au moins une puce est réduite ; et la connexion de circuit est considérablement simplifiée. Par voie de conséquence, il est possible d'envisager avec confiance le développement de la miniaturisation de terminaux à mode double.
PCT/CN2012/075949 2011-11-04 2012-05-23 Module frontal radiofréquence, terminal multimode et procédé de transmission du signal du terminal multimode WO2013063923A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110347672.6 2011-11-04
CN2011103476726A CN102420632A (zh) 2011-11-04 2011-11-04 射频前端模块、多模终端和多模终端发送信号的方法

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WO2013063923A1 true WO2013063923A1 (fr) 2013-05-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104468069A (zh) * 2014-11-24 2015-03-25 东南大学 一种tdd/fdd双模可重构的无线通信系统及通信方法

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
CN102420632A (zh) * 2011-11-04 2012-04-18 中兴通讯股份有限公司 射频前端模块、多模终端和多模终端发送信号的方法
CN106803760B (zh) * 2015-11-26 2020-01-10 东莞酷派软件技术有限公司 射频装置及通信终端
CN108029157A (zh) * 2016-04-01 2018-05-11 华为技术有限公司 一种通信方法、终端及网络设备
CN105792259A (zh) * 2016-04-26 2016-07-20 宇龙计算机通信科技(深圳)有限公司 一种智能终端的3g通信控制方法
CN107094032A (zh) * 2017-05-10 2017-08-25 广州慧智微电子有限公司 一种射频前端模块及射频信号处理方法
CN111181582B (zh) * 2020-01-06 2021-11-12 闻泰通讯股份有限公司 一种干扰信号处理方法、装置和gsm移动终端
WO2022160333A1 (fr) * 2021-02-01 2022-08-04 华为技术有限公司 Circuit de communication et terminal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101826884A (zh) * 2010-04-16 2010-09-08 华为终端有限公司 多模终端电路及多模终端
US20100277252A1 (en) * 2009-05-04 2010-11-04 Oleksandr Gorbachov Multi-mode radio frequency front end module
CN101902243A (zh) * 2010-07-28 2010-12-01 锐迪科创微电子（北京）有限公司 可配置多模式射频前端模块及具有该模块的移动终端
CN102420632A (zh) * 2011-11-04 2012-04-18 中兴通讯股份有限公司 射频前端模块、多模终端和多模终端发送信号的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100277252A1 (en) * 2009-05-04 2010-11-04 Oleksandr Gorbachov Multi-mode radio frequency front end module
CN101826884A (zh) * 2010-04-16 2010-09-08 华为终端有限公司 多模终端电路及多模终端
CN101902243A (zh) * 2010-07-28 2010-12-01 锐迪科创微电子（北京）有限公司 可配置多模式射频前端模块及具有该模块的移动终端
CN102420632A (zh) * 2011-11-04 2012-04-18 中兴通讯股份有限公司 射频前端模块、多模终端和多模终端发送信号的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104468069A (zh) * 2014-11-24 2015-03-25 东南大学 一种tdd/fdd双模可重构的无线通信系统及通信方法
CN104468069B (zh) * 2014-11-24 2017-12-12 东南大学 一种tdd/fdd双模可重构的无线通信系统及通信方法

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