WO2016074358A1 - 自适应匹配的射频架构及其匹配方法 - Google Patents

自适应匹配的射频架构及其匹配方法 Download PDF

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Publication number
WO2016074358A1
WO2016074358A1 PCT/CN2015/072566 CN2015072566W WO2016074358A1 WO 2016074358 A1 WO2016074358 A1 WO 2016074358A1 CN 2015072566 W CN2015072566 W CN 2015072566W WO 2016074358 A1 WO2016074358 A1 WO 2016074358A1
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Prior art keywords
module
radio frequency
matching
matching network
application scenario
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PCT/CN2015/072566
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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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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 US14/902,071 priority Critical patent/US9941920B2/en
Priority to EP15794441.4A priority patent/EP3220549A4/en
Publication of WO2016074358A1 publication Critical patent/WO2016074358A1/zh

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    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H03H7/40—Automatic matching of load impedance to source impedance

Definitions

  • the present invention relates to the field of portable electronic devices, and in particular, to an adaptive matching radio frequency architecture and a matching method thereof.
  • the matching network is fixed and cannot be changed once it has been selected and produced.
  • today's communication terminals have entered the multi-mode multi-band era, and the working frequency bands are also getting higher and higher.
  • WIFI has reached 5 GHz
  • the 4G communication frequency band has reached 2.6 GHz.
  • the bandwidth of the communication band is also continuously widened, for example, 5G WIFI, the bandwidth range is close to 1 GHz, and the 4G communication is close to the bandwidth of 200 MHz.
  • 5G WIFI the bandwidth range is close to 1 GHz
  • the 4G communication is close to the bandwidth of 200 MHz.
  • the RF path will also have a key nonlinear device, the Duplexer, which will also make the system RF load less convergent and increase the difficulty of debugging.
  • the Duplexer If the traditional fixed matching method is adhered to, the final performance is the product of the balance of each frequency/working state, which is not optimal.
  • the system's RF performance (such as power consumption, transmission and reception performance) directly affects the user experience and terminal endurance. Therefore, it is necessary to propose a variable matching network technology to replace the traditional fixed matching network, so that the value of the matching network can be adaptively adjusted according to different working conditions, and finally the performance is optimal at various frequency points and various working environments. .
  • the technical problem solved by the present invention is to provide an adaptive matching radio frequency architecture and a matching method thereof, which can adaptively adjust the value of the matching network according to different working conditions, and finally reach various frequency points and various working environments. Performance is optimal.
  • the present invention provides an adaptive matching radio frequency architecture, including a power amplifier module, a receiving module, an antenna, an RF processing module, a baseband control module, and at least one adjustable matching network module, at least one adjustable
  • the matching network module is connected between: the power amplifier module and the radio frequency processing module; and/or between the receiving module and the radio frequency processing module; and/or between the antenna and the radio frequency processing module; wherein the baseband control module pre-stores corresponding multiple different applications
  • the match value of the scenario is used to apply the matching value of the at least one tunable matching network module according to the application scenario to obtain the optimal radio frequency performance.
  • the baseband control module is used to: plan the application scenario of the radio, and debug the application scenario.
  • the matching value is made into a lookup table and saved; the application scenario includes at least one of a working channel, an ambient temperature, an antenna load matching, and a software directly specified.
  • the baseband control module is further configured to: determine a current application scenario; and search a lookup table according to the current application scenario to obtain a matching value of the corresponding at least one adjustable matching network module; and configure according to a matching value of the corresponding at least one adjustable matching network module.
  • Variable matching network modules for optimal RF performance.
  • the baseband control module configures matching values of the at least one variable matching network module through the hardware interface to obtain optimal radio frequency performance.
  • the at least one adjustable matching network module includes but is not limited to a adjustable inductor and a tunable capacitor.
  • the present invention provides an adaptive matching radio frequency architecture, including a power amplifier module, a receiving module, an antenna, an RF processing module, a baseband control module, and at least one adjustable matching network module, at least one adjustable
  • the matching network module is connected between: the power amplifier module and the radio frequency processing module; and/or between the receiving module and the radio frequency processing module; and/or between the antenna and the radio frequency processing module; wherein the baseband control module pre-stores corresponding multiple different applications
  • the matching value of the scenario is used to apply the matching value of the corresponding at least one adjustable matching network module according to the application scenario to obtain optimal radio frequency performance.
  • the baseband control module is used to: plan the application scenario of the radio; debug the application scenario to determine the corresponding matching value, and make a lookup table and save.
  • the baseband control module is further configured to: determine a current application scenario; and search a lookup table according to the current application scenario to obtain a matching value of the corresponding at least one adjustable matching network module; and configure according to a matching value of the corresponding at least one adjustable matching network module.
  • Variable matching network modules for optimal RF performance.
  • the baseband control module configures matching values of the at least one variable matching network module through the hardware interface to obtain optimal radio frequency performance.
  • the at least one adjustable matching network module includes but is not limited to a adjustable inductor and a tunable capacitor.
  • the application scenario includes at least one of a working channel, an ambient temperature, an antenna load matching, and a software directly specified.
  • the present invention further provides a radio frequency architecture matching method, where the radio frequency architecture includes a power amplifier module, a receiving module, an antenna, a radio frequency processing module, a baseband control module, and at least one adjustable matching network module, at least one adjustable
  • the matching network module is connected between: the power amplifier module and the radio frequency processing module; and/or between the receiving module and the radio frequency processing module; and/or between the antenna and the radio frequency processing module; and the method includes: pre-storing corresponding multiple by the baseband control module Matching values of different application scenarios; the baseband control module applies matching values of the corresponding at least one adjustable matching network module according to the application scenario to obtain optimal radio frequency performance.
  • the step of pre-storing the matching values corresponding to the plurality of different application scenarios by the baseband control module includes: planning an application scenario of the radio frequency by using the baseband control module; and debugging the application scenario to determine a corresponding matching value, and forming a lookup table and saving the same.
  • the step of applying the matching value of the corresponding at least one tunable matching network module according to the application scenario to obtain the optimal radio frequency performance by the baseband control module includes: determining, by the baseband control module, the current application scenario; and searching the lookup table according to the current application scenario. And obtaining a matching value of the corresponding at least one tunable matching network module; configuring the variable matching network module according to the matching value of the corresponding at least one tunable matching network module to obtain an optimal radio frequency performance.
  • the application scenario includes at least one of a working channel, an ambient temperature, an antenna load matching, and a software directly specified.
  • the radio frequency architecture includes a power amplifier module, a receiving module, an antenna, a radio frequency processing module, a baseband control module, and at least one adjustable matching network module, which are connected by at least one adjustable matching network module: Between the module and the RF processing module; and/or between the receiving module and the RF processing module; and/or between the antenna and the RF processing module; wherein the baseband control module pre-stores matching values corresponding to a plurality of different application scenarios, for Applying matching values of the corresponding at least one tunable matching network module according to the application scenario to obtain optimal radio frequency performance, so that the variable matching network technology can replace the traditional fixed matching network, so that the operating conditions can be adaptive. Adjust the value of the matching network to achieve optimal performance at all frequency points and various working environments.
  • FIG. 1 is a schematic structural diagram of an adaptive matching radio frequency architecture according to a first embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a method for matching an adaptively matched radio frequency architecture according to a first embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of an adaptive matching radio frequency architecture according to a first embodiment of the present invention.
  • the radio frequency architecture 10 includes a power amplifier module 11 , a receiving module 12 , an antenna 13 , a radio frequency processing module 14 , a baseband control module 15 , and at least one adjustable matching network module 16 .
  • At least one tunable matching network module 16 is coupled between: the power amplifier module 11 and the radio frequency processing module 14; and/or between the receiving module 12 and the radio frequency processing module 14; and/or between the antenna 13 and the radio frequency processing module 14;
  • a matching value corresponding to a plurality of different application scenarios is stored in the baseband control module 15 for applying matching values of the corresponding at least one adjustable matching network module 16 according to the application scenario to obtain optimal radio frequency performance.
  • the RF architecture 10 of such a structure can adaptively adjust the value of the matching network according to different working conditions, and finally achieves optimal performance at various frequency points and various working environments.
  • the adjustable matching network module 16 includes, but is not limited to, an adjustable device such as an adjustable inductor or a tunable capacitor.
  • the tunable matching network module 16 is controlled by the software of the baseband control module 15.
  • the baseband control module 15 pre-stores matching values corresponding to a plurality of different application scenarios into software or non-volatile memory. Specifically, the baseband control module 15 firstly plans an application scenario of the radio frequency, and then debugs the application scenario to determine a corresponding matching value, and creates a lookup table and saves it.
  • low channel group working scenario Case1 that is, downlink channel 2750-2850
  • intermediate channel group working scenario Case2 that is, downlink channel 2851-3425
  • high channel group working scenario Case3 that is, downlink Channel 3426-3360.
  • the matching debugging is specifically performed for the CH2750-2850 channel. Since the focus is on a narrower frequency band, the matching can be debugged to the optimum.
  • the final match value is Match1.
  • the matching debugging is specifically performed for the CH2851-3425 channel. Since the focus is on a narrower frequency band, the matching can be debugged to the optimum.
  • the final match value is Match2.
  • the matching debugging is specifically performed for the CH3426-3360 channel. Since the focus is on a narrower frequency band, the matching can be debugged to the optimum. The final match value is Match3.
  • the application scenarios Case1, Case2, Case3 and the corresponding matching values Match1, Match2, and Match3 are made into a lookup table and stored in software or non-volatile memory.
  • the application scenario includes at least one of a working channel, an ambient temperature, an antenna load matching, and a software directly specified. It may be another application scenario that may cause a change in the matching value of the tunable matching network module 16 , which is not limited herein.
  • the baseband control module 15 monitors the currently used application scenario in real time through software, and determines the current application scenario. If a certain application scenario is met, the lookup table is searched according to the current application scenario to obtain a matching value of the at least one adjustable matching network module 16 corresponding to the current application scenario. The variable matching network module 16 is then configured to obtain optimal radio frequency performance based on the matching values of the corresponding at least one tunable matching network module 16. Specifically, the baseband control module 15 configures the matching values of the variable matching network module 16 through the hardware interface to obtain optimal radio frequency performance. After that, in this working scenario, the RF matching is the optimal solution, and the best RF performance can be obtained. Among them, the best RF performance can be, but is not limited to, optimal power consumption, optimal receiving performance, and the like.
  • the adjustable matching network module 16 can be used only between the antenna 13 and the radio frequency processing module 14, and the receiving module 12 and the radio frequency processing module 14 are used between the power amplifier module 11 and the radio frequency processing module 14.
  • the traditional RF matching network connection that is, the tunable matching network module 16 is placed in the transmitting path of the RF architecture 10, so that the transmitted matching network can be dynamically adjusted according to the change of conditions to achieve the optimal result under the condition.
  • the optimal result here can be, but is not limited to, optimizing power consumption, improving linearity under various conditions, and improving the clutter suppression performance of the emission.
  • the tunable matching network module 16 may be used between the receiving module 12 and the radio frequency processing module 14, that is, the tunable matching network module 16 is placed in the receiving path of the radio frequency architecture 10, so that the received matching network can be dynamically changed according to conditions. Adjust to achieve optimal results under this condition.
  • the optimal results can be, but are not limited to, optimizing system power consumption, improving sensitivity and anti-jamming performance under various conditions.
  • the adjustable matching network module 16 is placed in the back end path of the radio frequency architecture 10, so that the transmitted matching network can be dynamically changed according to conditions. Adjust to achieve optimal results under this condition.
  • the optimal result here can be, but is not limited to, optimizing the system power consumption, improving the linearity under various conditions, improving the spurious suppression of the emission, and improving the sensitivity and anti-interference performance under various conditions.
  • the tunable matching network module 16 can be placed between the power amplifier module 11 and the radio frequency processing module 14, between the receiving module 12 and the radio frequency processing module 14, and between the antenna 13 and the radio frequency processing module 14. Between any two, or between the power amplifier module 11 and the RF processing module 14, between the receiving module 12 and the RF processing module 14, and between the antenna 13 and the RF processing module 14 to enable the RF architecture.
  • the matching network of 10 can adaptively adjust the value of the matching network according to different working conditions, and finally achieve optimal performance at various frequency points and various working environments.
  • FIG. 2 is a schematic flowchart diagram of a method for matching an adaptive matching radio frequency architecture according to a first embodiment of the present invention.
  • the radio frequency architecture includes a power amplifier module, a receiving module, an antenna, an RF processing module, a baseband control module, and at least one adjustable matching network module.
  • At least one tunable matching network module is coupled between: the power amplifier module and the RF processing module; and/or between the receiving module and the RF processing module; and/or between the antenna and the RF processing module.
  • the matching method of the adaptive matching radio frequency architecture includes:
  • Step S10 Pre-storing matching values corresponding to a plurality of different application scenarios by using a baseband control module.
  • step S10 matching values corresponding to a plurality of different application scenarios are stored in software or non-volatile memory in advance by the baseband control module.
  • the baseband control module firstly plans an application scenario of the radio, and then debugs the application scenario to determine a corresponding matching value, and creates a lookup table and saves it.
  • the application scenario includes at least one of a working channel, an ambient temperature, an antenna load matching, and a software directly specified, and may be other application scenarios that may cause a change in the matching value of the tunable matching network module, which is not limited herein.
  • Step S11 Apply a matching value of the corresponding at least one adjustable matching network module according to the application scenario by the baseband control module to obtain an optimal radio frequency performance.
  • the current application scenario is monitored in real time through the software, and the current application scenario is determined. If a certain application scenario is met, the lookup table is searched according to the current application scenario to obtain a matching value of at least one adjustable matching network module corresponding to the current application scenario.
  • the variable matching network module is then configured according to the matching value of the corresponding at least one tunable matching network module to obtain optimal radio frequency performance.
  • the baseband control module configures matching values of the variable matching network module through the hardware interface to obtain optimal radio frequency performance.
  • the RF matching is the optimal solution, and the best RF performance can be obtained.
  • the best RF performance can be, but is not limited to, optimal power consumption, optimal receiving performance, and the like.
  • the adjustable matching network module may be used only between the antenna and the RF processing module, and the traditional RF matching network connection is used between the receiving module and the RF processing module and between the power amplifier module and the RF processing module.
  • the tunable matching network module is placed in the transmit path of the radio frequency architecture, so that the transmitted matching network can be dynamically adjusted according to the change of conditions to achieve the optimal result under the condition.
  • the optimal result can be, but is not limited to, optimizing power consumption, improving linearity under various conditions, and improving the clutter suppression performance of the emission.
  • the tunable matching network module may be used between the receiving module and the radio frequency processing module, that is, the tunable matching network module is placed in the receiving path of the radio frequency architecture, so that the received matching network can be dynamically adjusted according to the change of the condition to achieve the Optimal results under conditions.
  • the optimal results can be, but are not limited to, optimizing system power consumption, improving sensitivity and anti-jamming performance under various conditions.
  • an adjustable matching network module between the power amplifier module and the RF processing module that is, the adjustable matching network module is placed in the back end path of the radio frequency architecture, so that the transmitted matching network can be dynamically adjusted according to the change of the condition to achieve the Optimal results under conditions.
  • the optimal result here can be, but is not limited to, optimizing the system power consumption, improving the linearity under various conditions, improving the spurious suppression of the emission, and improving the sensitivity and anti-interference performance under various conditions.
  • the tunable matching network module can be placed between the power amplifier module 11 and the radio frequency processing module, between the receiving module and the radio frequency processing module, and between any of the antenna and the radio frequency processing module. Or placed between the power amplifier module and the RF processing module, between the receiving module and the RF processing module, and between the antenna and the RF processing module, so that the matching network of the RF architecture can be adapted according to different working conditions. The adjustment matches the value of the network, and finally achieves optimal performance at various frequency points and various working environments.
  • the radio frequency architecture of the present invention includes a power amplifier module, a receiving module, an antenna, a radio frequency processing module, a baseband control module, and at least one adjustable matching network module, which are connected by at least one adjustable matching network module: a power amplifier module and a radio frequency Between the processing modules; and/or between the receiving module and the radio processing module; and/or between the antenna and the radio processing module; wherein the baseband control module pre-stores matching values corresponding to the plurality of different application scenarios, and is used according to the application scenario. Apply matching values of the corresponding at least one tunable matching network module to obtain optimal radio frequency performance, so that the variable matching network technology can replace the traditional fixed matching network, so that the matching network can be adaptively adjusted according to different working conditions. The value ultimately achieves optimal performance at all frequency points and in various working environments.

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Abstract

一种自适应匹配的射频架构及其匹配方法，射频架构(10)包括功放模块(11)、接收模块(12)、天线(13)、射频处理模块(14)、基带控制模块(15)以及至少一个可调匹配网络模块(16)，至少一个可调匹配网络模块(16)连接在：功放模块(11)和射频处理模块(14)之间；和/或接收模块(12)和射频处理模块(14)之间；和/或天线(13)和射频处理模块(14)之间；其中基带控制模块(15)中预先存储对应多个不同应用场景的匹配值，用于根据应用场景应用对应的至少一个可调匹配网络模块(16)的匹配值以得到最优的射频性能。通过上述方式，能够将可变匹配网络技术替代传统的固定匹配网络，使得可以根据工作条件的不同，自适应的调整匹配网络的值，最终达到在各个频点以及各种工作环境下性能达到最优。

Description

自适应匹配的射频架构及其匹配方法
【技术领域】
本发明涉及便携式电子设备领域，特别是涉及一种自适应匹配的射频架构及其匹配方法。
【背景技术】
在传统的射频架构中，匹配网络是固定的，一旦选定并生产完毕，则不可更改。但是现今的通信终端已经进入到多模多频段时代，工作的频段也越来越高，如WIFI已经到5GHz，4G的通信频段已经到2.6GHz。而且通信的频段宽度也在不断展宽，例如5G的WIFI，带宽范围已经接近到1GHz，4G的通信接近200MHz的带宽。而在高频段大带宽的通信电路中，使用一组匹配网络来承担所有的工作频点的调谐工作是非常困难的工作。同时，在频分双工(Frequency Division Duplexing ，FDD)的模式中，射频通路还会有一个关键的非线性器件-双工器(Duplexer)，也会让系统射频负载变的更加不收敛，调试难度增加。如果坚持传统的固定匹配方式，最后的性能是每个频点/工作状态平衡的产物，到不到最优。而系统的射频性能（如功耗，发射接收性能）直接影响用户体验和终端续航能力。因此需要提出一种可变匹配网络技术替代传统的固定匹配网络，使得可以根据工作条件的不同，自适应的调整匹配网络的值，最终达到在各个频点以及各种工作环境下性能达到最优。
【发明内容】
本发明解决的技术问题是，提供一种自适应匹配的射频架构及其匹配方法，能够根据工作条件的不同，自适应的调整匹配网络的值，最终达到在各个频点以及各种工作环境下性能达到最优。
为解决上述技术问题，本发明提供了一种自适应匹配的射频架构，射频架构包括功放模块、接收模块、天线、射频处理模块、基带控制模块以及至少一个可调匹配网络模块，至少一个可调匹配网络模块连接在：功放模块和射频处理模块之间；和/或接收模块和射频处理模块之间；和/或天线和射频处理模块之间；其中基带控制模块中预先存储对应多个不同应用场景的匹配值，用于根据应用场景应用对应的至少一个可调匹配网络模块的匹配值以得到最优的射频性能；基带控制模块用于：规划射频的应用场景，对应用场景进行调试决定对应的匹配值，做成查找表并保存；应用场景包括工作信道、环境温度、天线负载匹配、软件直接指定的至少一个。
其中，基带控制模块还用于：判断当前应用场景；根据当前应用场景查找查找表以得到对应的至少一个可调匹配网络模块的匹配值；根据对应的至少一个可调匹配网络模块的匹配值配置可变匹配网络模块以得到最优的射频性能。
其中，基带控制模块通过硬件接口配置至少一个可变匹配网络模块的匹配值以得到最优的射频性能。
其中，至少一个可调匹配网络模块包括但不限于可调电感、可调电容。
为解决上述技术问题，本发明提供了一种自适应匹配的射频架构，射频架构包括功放模块、接收模块、天线、射频处理模块、基带控制模块以及至少一个可调匹配网络模块，至少一个可调匹配网络模块连接在：功放模块和射频处理模块之间；和/或接收模块和射频处理模块之间；和/或天线和射频处理模块之间；其中基带控制模块中预先存储对应多个不同应用场景的匹配值，用于根据应用场景应用对应的至少一个可调匹配网络模块的匹配值以得到最优的射频性能。
其中，基带控制模块用于：规划射频的应用场景；对应用场景进行调试决定对应的匹配值，做成查找表并保存。
其中，基带控制模块还用于：判断当前应用场景；根据当前应用场景查找查找表以得到对应的至少一个可调匹配网络模块的匹配值；根据对应的至少一个可调匹配网络模块的匹配值配置可变匹配网络模块以得到最优的射频性能。
其中，基带控制模块通过硬件接口配置至少一个可变匹配网络模块的匹配值以得到最优的射频性能。
其中，至少一个可调匹配网络模块包括但不限于可调电感、可调电容。
其中，应用场景包括工作信道、环境温度、天线负载匹配、软件直接指定的至少一个。
为解决上述技术问题，本发明还提供了一种射频架构的匹配方法，射频架构包括功放模块、接收模块、天线、射频处理模块、基带控制模块以及至少一个可调匹配网络模块，至少一个可调匹配网络模块连接在：功放模块和射频处理模块之间；和/或接收模块和射频处理模块之间；和/或天线和射频处理模块之间；方法包括：通过基带控制模块预先存储对应多个不同应用场景的匹配值；通过基带控制模块根据应用场景应用对应的至少一个可调匹配网络模块的匹配值以得到最优的射频性能。
其中，通过基带控制模块预先存储对应多个不同应用场景的匹配值的步骤包括：通过基带控制模块规划射频的应用场景；对应用场景进行调试决定对应的匹配值，做成查找表并保存。
其中，通过基带控制模块根据应用场景应用对应的至少一个可调匹配网络模块的匹配值以得到最优的射频性能的步骤包括：通过基带控制模块判断当前应用场景；根据当前应用场景查找查找表以得到对应的至少一个可调匹配网络模块的匹配值；根据对应的至少一个可调匹配网络模块的匹配值配置可变匹配网络模块以得到最优的射频性能。
其中，应用场景包括工作信道、环境温度、天线负载匹配、软件直接指定的至少一个。
通过上述方案，本发明的有益效果是：射频架构包括功放模块、接收模块、天线、射频处理模块、基带控制模块以及至少一个可调匹配网络模块，通过至少一个可调匹配网络模块连接在：功放模块和射频处理模块之间；和/或接收模块和射频处理模块之间；和/或天线和射频处理模块之间；其中基带控制模块中预先存储对应多个不同应用场景的匹配值，用于根据应用场景应用对应的至少一个可调匹配网络模块的匹配值以得到最优的射频性能，如此能够将可变匹配网络技术替代传统的固定匹配网络，使得可以根据工作条件的不同，自适应的调整匹配网络的值，最终达到在各个频点以及各种工作环境下性能达到最优。
【附图说明】
图1是本发明第一实施例的自适应匹配的射频架构的结构示意图；
图2是本发明第一实施例的自适应匹配的射频架构的匹配方法的流程示意图。
【具体实施方式】
请参阅图1，图1是本发明第一实施例的自适应匹配的射频架构的结构示意图。如图1所示，射频架构10包括：功放模块11、接收模块12、天线13、射频处理模块14、基带控制模块15以及至少一个可调匹配网络模块16。至少一个可调匹配网络模块16连接在：功放模块11和射频处理模块14之间；和/或接收模块12和射频处理模块14之间；和/或天线13和射频处理模块14之间；其中基带控制模块15中预先存储对应多个不同应用场景的匹配值，用于根据应用场景应用对应的至少一个可调匹配网络模块16的匹配值以得到最优的射频性能。此种结构的射频架构10能够根据工作条件的不同，自适应的调整匹配网络的值，最终达到在各个频点以及各种工作环境下性能达到最优。
在本发明实施例中，可调匹配网络模块16包括但不限于可调电感、可调电容等可调器件。可调匹配网络模块16受基带控制模块15的软件控制。基带控制模块15预先将对应多个不同应用场景的匹配值存入软件或者非易失性存储器中。具体地，基带控制模块15首先规划射频的应用场景，然后对应用场景进行调试决定对应的匹配值，做成查找表并保存。例如，规划LTE 频段Band7的不同应用场景为3个，分别为：低信道群工作场景Case1，即下行信道2750-2850，中间信道群工作场景Case2，即下行信道2851-3425，高信道群工作场景Case3，即下行信道3426-3360。在Case1下面，专门针对CH2750-2850信道进行匹配调试，由于专注在更窄的频段，因此可以将匹配调试到最优。最终的匹配值为Match1。在Case2下面，专门针对CH2851-3425信道进行匹配调试，由于专注在更窄的频段，因此可以将匹配调试到最优。最终的匹配值为Match2。在Case3下面，专门针对CH3426-3360信道进行匹配调试，由于专注在更窄的频段，因此可以将匹配调试到最优。最终的匹配值为Match3。最后将应用场景Case1、Case2、Case3以及对应的匹配值Match1、Match2、Match3做成查找表，并存入软件或者非易失性存储器中。其中，应用场景包括工作信道、环境温度、天线负载匹配、软件直接指定的至少一个，当然也可以是可能引起可调匹配网络模块16的中匹配值变化的其他应用场景，在此不作限制。
用户在实际使用时，基带控制模块15通过软件实时监控当前使用的应用场景，并判断当前应用场景。在满足某个应用场景情况下，根据当前应用场景查找查找表以得到当前应用场景对应的至少一个可调匹配网络模块16的匹配值。然后根据对应的至少一个可调匹配网络模块16的匹配值配置可变匹配网络模块16以得到最优的射频性能。具体地，基带控制模块15通过硬件接口配置可变匹配网络模块16的匹配值以得到最优的射频性能。此后在这种工作场景下，其射频匹配是最优解，可以获得最好的射频性能，其中，最好的射频性能可以但不限于最优的功耗，最优的接收性能等。
在本发明实施例中，可以只是在天线13和射频处理模块14之间用可调匹配网络模块16，而接收模块12和射频处理模块14之间和功放模块11和射频处理模块14之间使用传统的射频匹配网络连接，即将可调匹配网络模块16放置在射频架构10的发射通路中，使得发射的匹配网络可以根据条件的变化动态调整，以达到该条件下的最优结果。其中这里的最优结果可以但不限于优化功耗，提升各种条件下的线性度，改善发射的杂波抑制性能等。也可以只是在接收模块12和射频处理模块14之间用可调匹配网络模块16，即将可调匹配网络模块16放置在射频架构10的接收通路中，使得接收的匹配网络可以根据条件的变化动态调整，以达到该条件下的最优结果。其中这里的最优结果可以但不限于，优化系统功耗，改善各种条件下的灵敏度和抗干扰性能等。或者只是在功放模块11和射频处理模块14之间用可调匹配网络模块16，即将可调匹配网络模块16放置在射频架构10的后端通路中，使得发射的匹配网络可以根据条件的变化动态调整，以达到该条件下的最优结果。其中这里的最优结果可以但不限于优化系统功耗，提升各种条件下的线形度，提升发射的杂波抑制，改善各种条件下的灵敏度和抗干扰性能等。在本发明的其他实施例中，可调匹配网络模块16可以放置在功放模块11和射频处理模块14之间、接收模块12和射频处理模块14之间以及天线13和射频处理模块14之间中的任意两者之间，或者放置在功放模块11和射频处理模块14之间、接收模块12和射频处理模块14之间以及天线13和射频处理模块14之间的三者之间以使得射频架构10的匹配网络可以根据工作条件的不同，自适应的调整匹配网络的值，最终达到在各个频点以及各种工作环境下性能达到最优。
请参阅图2，图2是本发明第一实施例的自适应匹配的射频架构的匹配方法的流程示意图。射频架构包括功放模块、接收模块、天线、射频处理模块、基带控制模块以及至少一个可调匹配网络模块。至少一个可调匹配网络模块连接在：功放模块和射频处理模块之间；和/或接收模块和射频处理模块之间；和/或天线和射频处理模块之间。如图2所示，自适应匹配的射频架构的匹配方法包括：
步骤S10：通过基带控制模块预先存储对应多个不同应用场景的匹配值。
在步骤S10中，通过基带控制模块预先将对应多个不同应用场景的匹配值存入软件或者非易失性存储器中。具体地，通过基带控制模块首先规划射频的应用场景，然后对应用场景进行调试决定对应的匹配值，做成查找表并保存。其中，应用场景包括工作信道、环境温度、天线负载匹配、软件直接指定的至少一个，当然也可以是可能引起可调匹配网络模块的中匹配值变化的其他应用场景，在此不作限制。
步骤S11：通过基带控制模块根据应用场景应用对应的至少一个可调匹配网络模块的匹配值以得到最优的射频性能。
用户在实际使用时，基带控制模块通过软件实时监控当前使用的应用场景，并判断当前应用场景。在满足某个应用场景情况下，根据当前应用场景查找查找表以得到当前应用场景对应的至少一个可调匹配网络模块的匹配值。然后根据对应的至少一个可调匹配网络模块的匹配值配置可变匹配网络模块以得到最优的射频性能。具体地，基带控制模块通过硬件接口配置可变匹配网络模块的匹配值以得到最优的射频性能。此后在这种工作场景下，其射频匹配是最优解，可以获得最好的射频性能，其中，最好的射频性能可以但不限于最优的功耗，最优的接收性能等。
在本发明实施例中，可以只是在天线和射频处理模块之间用可调匹配网络模块，而接收模块和射频处理模块之间和功放模块和射频处理模块之间使用传统的射频匹配网络连接，即将可调匹配网络模块放置在射频架构的发射通路中，使得发射的匹配网络可以根据条件的变化动态调整，以达到该条件下的最优结果。其中这里的最优结果可以但不限于优化功耗，提升各种条件下的线性度，改善发射的杂波抑制性能等。也可以只是在接收模块和射频处理模块之间用可调匹配网络模块，即将可调匹配网络模块放置在射频架构的接收通路中，使得接收的匹配网络可以根据条件的变化动态调整，以达到该条件下的最优结果。其中这里的最优结果可以但不限于，优化系统功耗，改善各种条件下的灵敏度和抗干扰性能等。或者只是在功放模块和射频处理模块之间用可调匹配网络模块，即将可调匹配网络模块放置在射频架构的后端通路中，使得发射的匹配网络可以根据条件的变化动态调整，以达到该条件下的最优结果。其中这里的最优结果可以但不限于优化系统功耗，提升各种条件下的线形度，提升发射的杂波抑制，改善各种条件下的灵敏度和抗干扰性能等。在本发明的其他实施例中，可调匹配网络模块可以放置在功放模块11和射频处理模块之间、接收模块和射频处理模块之间以及天线和射频处理模块之间中的任意两者之间，或者放置在功放模块和射频处理模块之间、接收模块和射频处理模块之间以及天线和射频处理模块之间的三者之间以使得射频架构的匹配网络可以根据工作条件的不同，自适应的调整匹配网络的值，最终达到在各个频点以及各种工作环境下性能达到最优。
综上所述，本发明的射频架构包括功放模块、接收模块、天线、射频处理模块、基带控制模块以及至少一个可调匹配网络模块，通过至少一个可调匹配网络模块连接在：功放模块和射频处理模块之间；和/或接收模块和射频处理模块之间；和/或天线和射频处理模块之间；其中基带控制模块中预先存储对应多个不同应用场景的匹配值，用于根据应用场景应用对应的至少一个可调匹配网络模块的匹配值以得到最优的射频性能，如此能够将可变匹配网络技术替代传统的固定匹配网络，使得可以根据工作条件的不同，自适应的调整匹配网络的值，最终达到在各个频点以及各种工作环境下性能达到最优。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (14)

  1. 一种自适应匹配的射频架构，其中，所述射频架构包括功放模块、接收模块、天线、射频处理模块、基带控制模块以及至少一个可调匹配网络模块，所述至少一个可调匹配网络模块连接在：
    所述功放模块和所述射频处理模块之间；和/或
    所述接收模块和所述射频处理模块之间；和/或
    所述天线和所述射频处理模块之间；
    其中所述基带控制模块中预先存储对应多个不同应用场景的匹配值，用于根据应用场景应用对应的所述至少一个可调匹配网络模块的匹配值以得到最优的射频性能；所述基带控制模块用于：规划射频的所述应用场景，对所述应用场景进行调试决定对应的匹配值，做成查找表并保存；所述应用场景包括工作信道、环境温度、天线负载匹配、软件直接指定的至少一个。
  2. 根据权利要求1所述的射频架构，其中，所述基带控制模块还用于：
    判断当前应用场景；
    根据所述当前应用场景查找所述查找表以得到对应的所述至少一个可调匹配网络模块的匹配值；
    根据所述对应的所述至少一个可调匹配网络模块的匹配值配置所述可变匹配网络模块以得到最优的射频性能。
  3. 根据权利要求2所述的射频架构，其中，所述基带控制模块通过硬件接口配置所述至少一个可变匹配网络模块的匹配值以得到最优的射频性能。
  4. 根据权利要求1所述的射频架构，其中，所述至少一个可调匹配网络模块包括但不限于可调电感、可调电容。
  5. 一种自适应匹配的射频架构，其中，所述射频架构包括功放模块、接收模块、天线、射频处理模块、基带控制模块以及至少一个可调匹配网络模块，所述至少一个可调匹配网络模块连接在：
    所述功放模块和所述射频处理模块之间；和/或
    所述接收模块和所述射频处理模块之间；和/或
    所述天线和所述射频处理模块之间；
    其中所述基带控制模块中预先存储对应多个不同应用场景的匹配值，用于根据应用场景应用对应的所述至少一个可调匹配网络模块的匹配值以得到最优的射频性能。
  6. 根据权利要求5所述的射频架构，其中，所述基带控制模块用于：
    规划射频的所述应用场景；
    对所述应用场景进行调试决定对应的匹配值，做成查找表并保存。
  7. 根据权利要求6所述的射频架构，其中，所述基带控制模块还用于：
    判断当前应用场景；
    根据所述当前应用场景查找所述查找表以得到对应的所述至少一个可调匹配网络模块的匹配值；
    根据所述对应的所述至少一个可调匹配网络模块的匹配值配置所述可变匹配网络模块以得到最优的射频性能。
  8. 根据权利要求7所述的射频架构，其中，所述基带控制模块通过硬件接口配置所述至少一个可变匹配网络模块的匹配值以得到最优的射频性能。
  9. 根据权利要求5-6任一项所述的射频架构，其中，所述至少一个可调匹配网络模块包括但不限于可调电感、可调电容。
  10. 根据权利要求5所述的射频架构，其中，所述应用场景包括工作信道、环境温度、天线负载匹配、软件直接指定的至少一个。
  11. 一种射频架构的匹配方法，其中，所述射频架构包括功放模块、接收模块、天线、射频处理模块、基带控制模块以及至少一个可调匹配网络模块，所述至少一个可调匹配网络模块连接在：
    所述功放模块和所述射频处理模块之间；和/或
    所述接收模块和所述射频处理模块之间；和/或
    所述天线和所述射频处理模块之间；
    所述方法包括：
    通过所述基带控制模块预先存储对应多个不同应用场景的匹配值；
    通过所述基带控制模块根据应用场景应用对应的所述至少一个可调匹配网络模块的匹配值以得到最优的射频性能。
  12. 根据权利要求11所述的方法，其中，所述通过所述基带控制模块预先存储对应多个不同应用场景的匹配值的步骤包括：
    通过所述基带控制模块规划射频的所述应用场景；
    对所述应用场景进行调试决定对应的匹配值，做成查找表并保存。
  13. 根据权利要求12所述的方法，其中，所述通过所述基带控制模块根据应用场景应用对应的所述至少一个可调匹配网络模块的匹配值以得到最优的射频性能的步骤包括：
    通过所述基带控制模块判断当前应用场景；
    根据所述当前应用场景查找所述查找表以得到对应的所述至少一个可调匹配网络模块的匹配值；
    根据所述对应的所述至少一个可调匹配网络模块的匹配值配置所述可变匹配网络模块以得到最优的射频性能。
  14. 根据权利要求11所述的方法，其中，所述应用场景包括工作信道、环境温度、天线负载匹配、软件直接指定的至少一个。
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