WO2012100579A1 - 处理射频信号的方法、装置和设备 - Google Patents
处理射频信号的方法、装置和设备 Download PDFInfo
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- WO2012100579A1 WO2012100579A1 PCT/CN2011/082203 CN2011082203W WO2012100579A1 WO 2012100579 A1 WO2012100579 A1 WO 2012100579A1 CN 2011082203 W CN2011082203 W CN 2011082203W WO 2012100579 A1 WO2012100579 A1 WO 2012100579A1
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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
- H04B1/44—Transmit/receive switching
Definitions
- the present invention relates to communication technologies, and more particularly to a method, apparatus and apparatus for processing radio frequency signals. Background technique
- Wireless communication networks such as 2G (2nd Generation), 3G (3 rd Generation), and Wireless Fidelity (WLAN) will not disappear and exit the market immediately.
- the rapid development of wireless communication technology has led to the trend of network isomerization.
- Various emerging wireless technologies provide users with a ubiquitous and heterogeneous network environment.
- Wireless communication networks include wireless personal area networks, wireless local area networks, and wireless metropolitan areas. Networks, wireless mobile wide area networks, satellite networks, and wireless sensor networks, etc., the terminal is moving toward multi-mode and intelligent development to meet the requirements of users roaming and making full use of various heterogeneous network resources.
- GSM Global System of Mobile communication
- WCDMA Wideband Code Division Multiple Access
- Embodiments of the present invention provide a method, a device, and a device for processing a radio frequency signal.
- a multi-channel antenna switch module and a radio frequency module with uniform impedance By selecting a multi-channel antenna switch module and a radio frequency module with uniform impedance, and directly connecting and integrating in one chip, the area occupied by the circuit board is reduced. Save costs.
- the matching circuit of the prior art is omitted, the interference of the electromagnetic compatibility problem is reduced.
- An embodiment of the present invention provides a method for processing a radio frequency signal, where the method includes: receiving, by a multi-channel antenna switch module, a radio frequency signal generated by one or more radio frequency modules, an impedance of the radio frequency module, and the multi-channel antenna switch module The impedance is consistent;
- the multi-channel antenna switch module transmits the radio frequency signal to an antenna end.
- an embodiment of the present invention provides an apparatus for processing a radio frequency signal, including: at least one radio frequency module and a multi-channel antenna switch module;
- the radio frequency module is configured to generate a radio frequency signal
- the multi-channel antenna switch module is directly connected to the radio frequency module, and is configured to conduct radio frequency signals sent by one or more of the radio frequency modules, and transmit the radio frequency signals to an antenna end;
- the impedance of the radio frequency module is consistent with the impedance of the multi-channel antenna switch module.
- an embodiment of the present invention provides an apparatus, including: a device and an antenna for processing a radio frequency signal;
- the device for processing a radio frequency signal includes: at least one radio frequency module and a multi-channel antenna switch module;
- the radio frequency module is configured to generate a radio frequency signal
- the multi-channel antenna switch module is directly connected to the radio frequency module, and is configured to conduct radio frequency signals sent by one or more of the radio frequency modules, and transmit the radio frequency signals to an antenna end;
- the impedance of the radio frequency module is consistent with the impedance of the multi-channel antenna switch module.
- Embodiments of the present invention provide a method, apparatus, and device for processing a radio frequency signal, which are used for directly receiving a radio frequency signal generated by one or more radio frequency modules by a multi-channel antenna switch module.
- the impedance of the frequency module is consistent with the impedance of the multi-channel antenna switch module; the multi-channel antenna switch module transmits the radio frequency signal to the antenna end.
- the method, device and device for processing radio frequency signals provided by the embodiments of the present invention are integrated into one chip by selecting a multi-channel antenna switch module and a radio frequency module with uniform impedance, and are integrated in one chip, thereby reducing the area occupied by the circuit board and saving The cost.
- the matching circuit in the prior art is omitted, the interference of the electromagnetic compatibility problem is reduced.
- FIG. 1 is a schematic flow chart of a method for processing a radio frequency signal according to an embodiment of the present invention
- FIG. 2 is a schematic structural view of a front end of a radio frequency in the prior art
- FIG. 3 is a schematic diagram of an apparatus for processing a radio frequency signal according to an embodiment of the present invention.
- FIG. 4 is a schematic diagram of a device according to another embodiment of the present invention. detailed description
- the embodiment of the present invention provides a method for processing a radio frequency signal. As shown in FIG. 1, the method includes the following steps:
- Step 101 The multi-channel antenna switch module directly receives the radio frequency signal generated by one or more radio frequency modules, and the impedance of the radio frequency module is consistent with the impedance of the multi-channel antenna switch module.
- Step 102 The multi-channel antenna switch module transmits the radio frequency signal to the antenna end.
- each radio frequency module is connected with a corresponding matching circuit, and then each matching circuit is connected to the antenna end through an antenna switch module.
- the antenna switch module is a single-pole multi-throw switch, only one radio frequency signal of the radio frequency module can be transmitted to the antenna end through the antenna switch module.
- the method provided by the embodiment of the present invention selects a multi-channel antenna switch module, and the multi-channel antenna
- the switch module can simultaneously turn on the RF signals sent by one or more of the RF modules and directly connect them to the respective RF modules.
- the radio frequency module includes any one or more of the following combinations: line termination equipment time division duplex transmission sound table filter, line termination equipment time division duplex reception sound table filter, line termination equipment frequency division duplexer Time division duplex transmission sound table filter in time division code division multiple access network, time division duplex reception sound table filter in time division code division multiple access network, time division duplex transmission sound table filter in global mobile communication system, global mobile communication The time division duplex receives the SAW filter in the system.
- the impedance of each RF module is consistent with the impedance of the multi-channel antenna switch module, for example, the impedance of the RF module is the same as the impedance of the multi-channel antenna switch module, or the impedance ratio or difference between the two is less than a predetermined threshold.
- the impedance of both can be strictly designed to be 50 ohms, or the impedance difference between the two is less than 0.1 ohm, and the user can set according to the actual situation.
- the multi-channel antenna switch module and the RF module are integrally molded in one chip, and the corresponding pins are output.
- the multi-channel antenna switch module can directly receive the radio frequency signal generated by one or more radio frequency modules, and transmit the radio frequency signal to the antenna end.
- the method for processing a radio frequency signal provided by the embodiment of the present invention reduces the occupation of the circuit board by selecting a multi-channel antenna switch module and a radio frequency module with uniform impedance and directly connecting and integrating in one chip.
- the area saves costs.
- the matching circuit in the prior art is omitted, the interference of the electromagnetic compatibility problem is reduced.
- the embodiment of the present invention further provides a device for processing a radio frequency signal, as shown in FIG. 3, comprising: at least one radio frequency module 301 and a multi-channel antenna switch module 302;
- the radio frequency module 301 is configured to generate a radio frequency signal
- the multi-channel antenna switch module 302 is directly connected to the radio frequency module 301 for turning on the radio frequency signal sent by the one or more radio frequency modules 301, and transmitting the radio frequency signal to the antenna end;
- the impedance of the RF module 301 is consistent with the impedance of the multi-channel antenna switch module 302.
- the RF module 301 and the multi-channel antenna switch module 302 are integrally molded in one In the chip.
- the radio frequency module 301 comprises any one or more of the following combinations: line termination equipment time division duplex transmission sound table filter, line termination equipment time division duplex reception sound table filter, line termination device Frequency division duplexer, time division duplex transmission sound table filter in time division code division multiple access network, time division duplex reception sound table filter in time division code division multiple access network, time division duplex transmission sound table filter in global mobile communication system Time division duplex receiving sound table filter in global mobile communication system.
- the impedance of the radio frequency module 301 is consistent with the impedance of the multi-channel antenna switch module 302, including: the impedance of the radio frequency module is the same as the impedance of the multi-channel antenna switch module, or the impedance ratio or difference between the two Less than a predetermined threshold.
- the impedance of both can be strictly designed to be 30 ohms, or the impedance difference between the two can be set to plus or minus 0.1 ohms, and the user can set according to the actual situation.
- the apparatus for processing radio frequency signals provided by the embodiment of the present invention reduces the occupation of the circuit board by selecting a multi-channel antenna switch module and a radio frequency module with uniform impedance and directly connecting and integrating in one chip.
- the area saves costs.
- the matching circuit in the prior art is omitted, the interference of the electromagnetic compatibility problem is reduced.
- the embodiment of the present invention further provides a device, as shown in FIG. 4, including: a device 401 for processing a radio frequency signal and an antenna 402;
- the device for processing a radio frequency signal includes: at least one radio frequency module and a multi-channel antenna switch module; the radio frequency module is configured to generate a radio frequency signal; the multi-channel antenna switch module is directly connected to the radio frequency module, and is used to conduct a radio frequency Or transmitting, by the plurality of radio frequency signals, the radio frequency signal to the antenna end; the impedance of the radio frequency module is consistent with the impedance of the multi-channel antenna switch module.
- the method, the device and the device for processing the radio frequency signal provided by the embodiment of the present invention are integrated into one chip by selecting a multi-channel antenna switch module and a radio frequency module with the same impedance and being directly connected. It occupies the area of the board and saves costs. Moreover, since the matching circuit in the prior art is omitted, the interference of the electromagnetic compatibility problem is reduced. It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and the modifications of the invention.
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Description
处理射频信号的方法、 装置和设备 技术领域
本发明涉及通信技术， 尤其涉及处理射频信号的方法、 装置和设备。 背景技术
随着 4G ( 4th Generation )时代的到来， 2G ( 2nd Generation )、 3G ( 3 rd Generation ) 以及无线保真 （WiFi, Wireless Fidelity )等无线通信网络并不 会立即消失和退出市场。 无线通信技术的蓬勃发展引发了网络异构化的趋 势， 各种层出不穷的无线技术共同为用户提供了泛在、 异构的网络环境， 无线通信网络包括无线个域网、 无线局域网、 无线城域网、 无线移动广域 网、 卫星网络， 以及无线传感器网络等， 终端朝着多模化、 智能化的趋势 发展才能满足用户漫游和充分利用各种异构网络资源的要求。 由于 3G、 4G 建网和优化需要一个过程， 因此现在采用传统的 2G保证覆盖范围， 而采用 3G、 WiFi等来分流数据业务。 这就要求终端在许多应用场合下需要同时具 备多种模式的接入能力， 各种不同模式的射频一般都运行在不同的频点上， 而且对频带宽度的需求也不一样，如全球移动通讯（GSM, Global System of Mobile communication ) 系统在 900MHz频率段和 1800MHz频率段上， 带 宽为 200kHz ; 再如宽带码分多址 （WCDMA , Wideband Code Division Multiple Access )的带宽为 5MHz; WiFi的 802.11b/g则为 2.4GHz频率段上 的 20MHz带宽。
传统的多通道终端如多模多待手机， 需要为每一种待机的模式预留射 频通道， 即使采用了单芯片型的射频 （RF, Radio Frequency )调谐器， 之 前的射频通道的数量还是需要对应于待机模式的数量， 这样不仅占用了电 路板大量的面积， 而且增加了产品的成本。
发明内容
本发明实施例提供了一种处理射频信号的方法、 装置和设备， 通过选 取阻抗一致的多通道天线开关模块和射频模块， 并直接连接， 集成在一个 芯片中， 减少了占用电路板的面积， 节约了成本。 而且由于省略了现有技 术中的匹配电路， 减少了电磁兼容问题的干扰。
本发明实施例提供了一种处理射频信号的方法， 该方法包括： 多通道天线开关模块直接接收一个或多个射频模块产生的射频信号， 所述射频模块的阻抗与所述多通道天线开关模块的阻抗一致；
所述多通道天线开关模块将所述射频信号传输到天线端。
相应的， 本发明实施例提供了一种处理射频信号的装置， 包括： 至少一个射频模块和多通道天线开关模块；
所述射频模块， 用于产生射频信号；
所述多通道天线开关模块， 直接连接所述射频模块， 用于导通一个或 多个所述射频模块发送的射频信号， 将所述射频信号传输到天线端；
所述射频模块的阻抗与所述多通道天线开关模块的阻抗一致。
相应的， 本发明实施例提供了一种设备， 包括： 处理射频信号的装置 和天线；
所述处理射频信号的装置包括： 至少一个射频模块和多通道天线开关 模块；
所述射频模块， 用于产生射频信号；
所述多通道天线开关模块， 直接连接所述射频模块， 用于导通一个或 多个所述射频模块发送的射频信号， 将所述射频信号传输到天线端；
所述射频模块的阻抗与所述多通道天线开关模块的阻抗一致。
本发明实施例提供了一种处理射频信号的方法、 装置和设备， 用于多 通道天线开关模块直接接收一个或多个射频模块产生的射频信号， 所述射
频模块的阻抗与所述多通道天线开关模块的阻抗一致； 所述多通道天线开 关模块将所述射频信号传输到天线端。 使用本发明实施例提供的处理射频 信号的方法、 装置和设备， 通过选取阻抗一致的多通道天线开关模块和射 频模块， 并直接连接， 集成在一个芯片中， 减少了占用电路板的面积， 节 约了成本。 而且由于省略了现有技术中的匹配电路， 减少了电磁兼容问题 的干扰。 附图说明
图 1为本发明实施例中处理射频信号的方法流程示意图；
图 2为现有技术中射频前端结构示意图；
图 3为本发明实施例中处理射频信号的装置示意图；
图 4为本发明另一实施例中设备示意图。 具体实施方式
下面结合各个附图对本发明实施例技术方案的主要实现原理、 具体实 施方式及其对应能够达到的有益效果进行详细地阐述。
为了解决现有技术存在的问题， 本发明实施例提供了一种处理射频信 号的方法， 如图 1所示， 包括以下步驟：
步驟 101、多通道天线开关模块直接接收一个或多个射频模块产生的射 频信号， 该射频模块的阻抗与所述多通道天线开关模块的阻抗一致；
步驟 102、 多通道天线开关模块将该射频信号传输到天线端。
如图 2所示， 现有技术中， 每个射频模块连接各自对应的匹配电路， 然后各个匹配电路通过天线开关模块与天线端连接。 其中， 由于需要多个 匹配电路占用了电路板的大量面积， 而且该天线开关模块为单刀多掷开关， 每次仅能使一个射频模块的射频信号通过该天线开关模块传输到天线端。
本发明实施例提供的方法， 选用多通道天线开关模块， 该多通道天线
开关模块能够同时导通一个或多个所述射频模块发送的射频信号， 并将其 直接与各个射频模块进行连接。 该射频模块包括以下的任意一种或多种的 组合： 线路终接设备时分双工发射声表滤波器、 线路终接设备时分双工接 收声表滤波器、 线路终接设备频分双工器、 时分码分多址网络中时分双工 发射声表滤波器、 时分码分多址网络中时分双工接收声表滤波器、 全球移 动通信系统中时分双工发射声表滤波器、 全球移动通信系统中时分双工接 收声表滤波器。
而且， 各个射频模块的阻抗与该多通道天线开关模块的阻抗一致， 例 如射频模块的阻抗与多通道天线开关模块的阻抗相同， 或者两者的阻抗比 率或差值小于预定阈值。具体的，可以将两者的阻抗都严格设计为 50欧姆， 或者两者的阻抗差值小于 0.1欧姆， 用户可以根据实际情况进行设定。
然后， 将多通道天线开关模块和射频模块集成塑封在一个芯片中， 并 将相应的引脚输出。 这样， 多通道天线开关模块可以直接接收一个或多个 射频模块产生的射频信号， 并将射频信号传输到天线端。
通过上述描述， 可以看出， 使用本发明实施例提供的处理射频信号的 方法， 通过选取阻抗一致的多通道天线开关模块和射频模块， 并直接连接， 集成在一个芯片中， 减少了占用电路板的面积， 节约了成本。 而且由于省 略了现有技术中的匹配电路， 减少了电磁兼容问题的干扰。
相应的， 本发明实施例还提供了一种处理射频信号的装置， 如图 3 所 示， 包括： 至少一个射频模块 301和多通道天线开关模块 302;
该射频模块 301 , 用于产生射频信号；
该多通道天线开关模块 302, 直接连接射频模块 301 , 用于导通一个或 多个射频模块 301发送的射频信号， 将该射频信号传输到天线端；
该射频模块 301的阻抗与多通道天线开关模块 302的阻抗一致。
较佳的， 该射频模块 301和多通道天线开关模块 302集成塑封在一个
芯片中。
较佳的， 该射频模块 301 包括以下的任意一种或多种的组合： 线路终 接设备时分双工发射声表滤波器、 线路终接设备时分双工接收声表滤波器、 线路终接设备频分双工器、 时分码分多址网络中时分双工发射声表滤波器、 时分码分多址网络中时分双工接收声表滤波器、 全球移动通信系统中时分 双工发射声表滤波器、 全球移动通信系统中时分双工接收声表滤波器。
较佳的， 该射频模块 301的阻抗与多通道天线开关模块 302的阻抗一 致， 包括： 所述射频模块的阻抗与所述多通道天线开关模块的阻抗相同， 或者两者的阻抗比率或差值小于预定阈值。 例如可以将两者的阻抗都严格 设计为 30欧姆， 或者两者的阻抗差值范围在正负 0.1欧姆， 用户可以根据 实际情况进行设定。
通过上述描述， 可以看出， 使用本发明实施例提供的处理射频信号的 装置， 通过选取阻抗一致的多通道天线开关模块和射频模块， 并直接连接， 集成在一个芯片中， 减少了占用电路板的面积， 节约了成本。 而且由于省 略了现有技术中的匹配电路， 减少了电磁兼容问题的干扰。
相应的， 本发明实施例还提供了一种设备， 如图 4所示， 包括： 处理 射频信号的装置 401和天线 402;
该处理射频信号的装置包括： 至少一个射频模块和多通道天线开关模 块； 所述射频模块， 用于产生射频信号； 所述多通道天线开关模块， 直接 连接所述射频模块， 用于导通一个或多个所述射频模块发送的射频信号， 将所述射频信号传输到天线端； 所述射频模块的阻抗与所述多通道天线开 关模块的阻抗一致。
通过上述描述， 可以看出， 使用本发明实施例提供的处理射频信号的 方法、 装置和设备， 通过选取阻抗一致的多通道天线开关模块和射频模块， 并直接连接， 集成在一个芯片中， 减少了占用电路板的面积， 节约了成本。
而且由于省略了现有技术中的匹配电路， 减少了电磁兼容问题的干扰。 显然， 本领域的技术人员可以对本发明进行各种改动和变型而不脱离 本发明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权 利要求及其等同技术的范围之内， 则本发明也意图包含这些改动和变型在 内。
Claims
1、 一种处理射频信号的方法， 其特征在于， 包括：
多通道天线开关模块直接接收一个或多个射频模块产生的射频信号， 所述射频模块的阻抗与所述多通道天线开关模块的阻抗一致；
所述多通道天线开关模块将所述射频信号传输到天线端。
2、 根据权利要求 1所述的方法， 其特征在于， 所述多通道天线开关模 块同时导通一个或多个所述射频模块发送的射频信号。
3、 根据权利要求 1所述的方法， 其特征在于， 所述多通道天线开关模 块和射频模块集成塑封在一个芯片中。
4、 根据权利要求 1所述的方法， 其特征在于， 所述射频模块的阻抗与 所述多通道天线开关模块的阻抗一致， 包括：
所述射频模块的阻抗与所述多通道天线开关模块的阻抗相同， 或者两 者的阻抗比率或差值小于预定阈值。
5、 根据权利要求 1至 4中任一所述的方法， 其特征在于， 所述射频模 块包括以下的任意一种或多种的组合：
线路终接设备时分双工发射声表滤波器、 线路终接设备时分双工接收 声表滤波器、 线路终接设备频分双工器、 时分码分多址网络中时分双工发 射声表滤波器、 时分码分多址网络中时分双工接收声表滤波器、 全球移动 通信系统中时分双工发射声表滤波器、 全球移动通信系统中时分双工接收 声表滤波器。
6、 一种处理射频信号的装置， 其特征在于， 包括： 至少一个射频模块 和多通道天线开关模块；
所述射频模块， 用于产生射频信号；
所述多通道天线开关模块， 直接连接所述射频模块， 用于导通一个或 多个所述射频模块发送的射频信号， 将所述射频信号传输到天线端； 所述射频模块的阻抗与所述多通道天线开关模块的阻抗一致。
7、 根据权利要求 6所述的装置， 其特征在于， 所述射频模块和多通道 天线开关模块集成塑封在一个芯片中。
8、 根据权利要求 6所述的装置， 其特征在于， 所述射频模块包括以下 的任意一种或多种的组合：
线路终接设备时分双工发射声表滤波器、 线路终接设备时分双工接收 声表滤波器、 线路终接设备频分双工器、 时分码分多址网络中时分双工发 射声表滤波器、 时分码分多址网络中时分双工接收声表滤波器、 全球移动 通信系统中时分双工发射声表滤波器、 全球移动通信系统中时分双工接收 声表滤波器。
9、 根据权利要求 6所述的装置， 其特征在于， 所述射频模块的阻抗与 所述多通道开关模块的阻抗一致， 包括：
所述射频模块的阻抗与所述多通道开关模块的阻抗相同， 或者两者的 阻抗比率或差值小于预定阈值。
10、 一种设备， 其特征在于， 包括： 处理射频信号的装置和天线； 所述处理射频信号的装置包括： 至少一个射频模块和多通道天线开关 模块；
所述射频模块， 用于产生射频信号；
所述多通道天线开关模块， 直接连接所述射频模块， 用于导通一个或 多个所述射频模块发送的射频信号， 将所述射频信号传输到天线端；
所述射频模块的阻抗与所述多通道天线开关模块的阻抗一致。
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| CN102413207A (zh) * | 2011-09-23 | 2012-04-11 | 大唐移动通信设备有限公司 | 终端拓频装置及其应用方法 |
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