WO2019091435A1 - Method and device for processing multi-band signal, and storage medium - Google Patents

Method and device for processing multi-band signal, and storage medium Download PDF

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Publication number
WO2019091435A1
WO2019091435A1 PCT/CN2018/114639 CN2018114639W WO2019091435A1 WO 2019091435 A1 WO2019091435 A1 WO 2019091435A1 CN 2018114639 W CN2018114639 W CN 2018114639W WO 2019091435 A1 WO2019091435 A1 WO 2019091435A1
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signal
band
frequency
frequency signal
radio frequency
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PCT/CN2018/114639
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French (fr)
Chinese (zh)
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宋微微
王珊
段亚娟
张国俊
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中兴通讯股份有限公司
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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
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • 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

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  • the present disclosure relates to the field of wireless communication technologies, for example, to a method, an apparatus, and a storage medium for processing a multi-band signal.
  • the traditional multi-band receiving scheme is to use multiple receivers at the same time to achieve multi-band simultaneous reception and processing.
  • this scheme makes the equipment costly, covers a large area and does not conform to the development of miniaturized base stations due to the use of multiple receivers.
  • the related art adopts a scheme for directly collecting the received multi-band RF signal, which requires an analog-to-digital converter (ADC) to have a high sampling rate, resulting in a large device selection limit and a system. Low performance.
  • ADC analog-to-digital converter
  • the present disclosure provides a method, a device, and a storage medium for processing a multi-band signal, which are used to solve the problems of large device selection limitation and low system performance caused by using a radio frequency direct mining scheme.
  • the present disclosure provides a method for processing a multi-band signal, comprising: receiving a multi-band radio frequency signal in a single channel; dividing the multi-band radio frequency signal into a plurality of single-band radio frequency signals; and performing gain adjustment on each single-band radio frequency signal; The multi-band radio frequency signals after the gain adjustment are combined to obtain a broadband multi-frequency radio frequency signal; the broadband multi-frequency radio frequency signal is demodulated into a multi-frequency intermediate frequency signal, and the multi-frequency intermediate frequency signal is output.
  • the present disclosure also provides a multi-band signal processing apparatus, including: a receiver configured to receive a multi-band radio frequency signal in a single channel; and a frequency selector configured to divide the multi-band radio frequency signal into a plurality of single-band radio frequency signals Gain adjuster is set to perform gain adjustment for each single-band RF signal; the combiner is configured to synthesize a plurality of single-band RF signals after gain adjustment to obtain a broadband multi-frequency RF signal; a demodulator, setting The multi-frequency intermediate frequency signal is demodulated into a multi-frequency intermediate frequency signal, and the multi-frequency intermediate frequency signal is output.
  • the present disclosure also provides a computer readable storage medium storing program code for performing the above-described processing method of a multi-band signal.
  • FIG. 1 is a flowchart of a method for processing a multi-band signal according to an embodiment
  • FIG. 2 is a schematic structural diagram of a multi-band signal processing apparatus according to an embodiment
  • FIG. 3 is a schematic diagram of hardware of a multi-band receiver system according to an embodiment.
  • the present disclosure provides a method, an apparatus, and a storage medium for processing a multi-band signal.
  • the present disclosure will be described below in conjunction with the accompanying drawings and embodiments. It is to be understood that the embodiments described herein are merely illustrative of the disclosure and are not intended to be limiting.
  • FIG. 1 is a flowchart of a method for processing a multi-band signal according to an embodiment. As shown in FIG. 1 , the method for processing a multi-band signal provided by this embodiment includes steps 1010 to 1080.
  • Step 1010 Receive a multi-band RF signal in a single channel.
  • Step 1020 Perform a first filtering process on the multi-band radio frequency signal.
  • step 1030 the multi-band RF signal is divided into a plurality of single-band RF signals.
  • step 1040 gain adjustment is performed on each single-band radio frequency signal.
  • Step 1050 Perform a second filtering process on the plurality of single-band RF signals after the gain adjustment.
  • Step 1060 Synthesize a plurality of single-band radio frequency signals after the second filtering process to obtain a broadband multi-frequency radio frequency signal.
  • step 1070 the broadband multi-frequency radio frequency signal is demodulated into a multi-frequency intermediate frequency signal.
  • step 1080 the multi-frequency intermediate frequency signal is subjected to anti-aliasing filtering processing and output.
  • the receiver uses the method provided in this embodiment to implement the requirements of the 3rd Generation Partnership Project (3GPP) for receiving technical system indicators, and simultaneously receives radio frequency signals of at least two frequency bands.
  • the frequency band of the radio frequency signal may be: a specified frequency band of the Global System for Mobile Communication (GSM), a prescribed frequency band of the third generation mobile communication technology (3G), and a long-term evolution technology.
  • GSM Global System for Mobile Communication
  • 3G third generation mobile communication technology
  • the frequency band of the 3GPP plan such as the specified frequency band of Long Term Evolution (LTE) and the specified frequency band of Wireless Local Area Networks (WLAN).
  • the multi-band RF signal may be first subjected to a first filtering process, step 1020, to filter out out-of-band interference or spurs. Then, in step 1030, the multi-band radio frequency signal is selected based on the frequency band, and the multi-band radio frequency signal is divided into multiple single-band radio frequency signals, and each single-band radio frequency signal is subjected to gain processing.
  • the gain processing may be an amplification or attenuation process.
  • the amplification or attenuation processing of the channel signal is determined according to the size of the single-band radio frequency signal of the road.
  • the first filtered multi-band RF signal is generally subjected to low-noise amplification processing, and the amplified multi-band RF signal is subjected to frequency band-based processing. select.
  • each of the single-band radio frequency signals can be independently controlled, that is, when the current single-band radio frequency signal is amplified, it is independent of the single-band radio frequency signal of the other.
  • the gain-adjusted single-band RF signal is subjected to a second filtering process to suppress the generation of the current single-band RF signal in other frequency bands to achieve a better output effect.
  • the separately processed single-band RF signals are combined to synthesize one broadband multi-frequency RF signal, and the broadband multi-frequency RF signal is demodulated, and the broadband multi-frequency RF signal is The multi-frequency RF signal is converted into a multi-frequency intermediate frequency signal.
  • the multi-frequency intermediate frequency signal output after frequency modulation is actually two signals that are in phase and orthogonal, respectively being an in-phase (I) signal and a quadrature (Q) signal.
  • the I and Q signals can also be subjected to anti-aliasing filtering before the analog-to-digital conversion of the I and Q signals to filter out aliasing spurs and other spurs due to frequency conversion.
  • the I signal and the Q signal may be separately amplified by gain before the anti-aliasing filtering process is performed, but whether the gain amplification is required is processed according to the actual signal strength.
  • the ADC samples the output multi-frequency IF signal and converts the analog signal into a digital signal, which is then processed. Since the sampling rate required by the ADC for directly acquiring the RF signal is high, the sampling rate when the IF signal is acquired is low, and the performance of the ADC at the low sampling rate is higher than that at the high sampling rate, so in this embodiment, The processing method can reduce the energy consumption of the entire multi-band signal processing process and improve the efficiency.
  • the multi-band RF signal is processed in a frequency band, and the processed single-band RF signals are combined before being converted into a multi-frequency intermediate frequency signal and output to the ADC for subsequent processing, because the ADC processes the multi-frequency intermediate frequency signal.
  • the required sampling rate is low, and the system performance of the ADC at low sampling rate is higher than that of the system at high sampling rate. Therefore, the problem of large device selection limitation and low system performance caused by using the RF direct mining scheme is solved.
  • FIG. 2 is a schematic structural diagram of a multi-band signal processing apparatus according to an embodiment.
  • the receiver 201, the first filter 202, the frequency selector 203, the gain adjuster 204, the second filter 205, the combiner 206, the demodulator 207, and the first anti-alias are sequentially coupled.
  • the receiver 201 is configured to receive a multi-band radio frequency signal in a single channel;
  • the frequency selector 203 is configured to divide the multi-band radio frequency signal into a plurality of single-band radio frequency signals; and the gain adjuster 204 is configured to perform each single-band radio frequency signal.
  • combiner 206 is configured to synthesize a plurality of single-band radio frequency signals after gain adjustment to obtain a wideband multi-frequency radio frequency signal
  • demodulator 207 is configured to demodulate the wideband multi-frequency radio frequency signal into a multi-frequency intermediate frequency signal Output.
  • the receiver 201 may perform the first filtering process on the multi-band radio frequency signal through the first filter 202 to filter out the out-of-band interference or spurs, and then utilize The low noise amplifier performs low noise amplification processing on the first filtered multi-band RF signal, and uses the frequency selector 203 to perform frequency-based selection on the amplified multi-band RF signal, and divides one multi-band RF signal into multiple single-band signals.
  • the RF signal is subjected to gain processing using a gain adjuster 204 for each single-band RF signal.
  • the gain processing performed by gain adjuster 204 may be an amplification or attenuation process.
  • the single-band RF signal is amplified or attenuated according to the size of the single-band RF signal.
  • the gain adjuster 204 can include a plurality of gain adjusters. The number of the gain adjusters 204 is determined according to the number of single-band RF signals, so that each single-band RF signal can be independently controlled, that is, The current single-band RF signal is amplified regardless of its single-band RF signal.
  • the gain-adjusted single-band RF signal can also be subjected to a second filtering process by the second filter 205 to suppress the generation of the current single-band RF signal in other frequency bands to achieve a better output effect.
  • the device uses the combiner 206 to combine the separately processed single-band RF signals to synthesize one wide-band multi-frequency RF signal and pass the demodulation.
  • the device 207 demodulates the broadband multi-frequency radio frequency signal, and converts the broadband multi-frequency radio frequency signal from the multi-frequency radio frequency signal into a multi-frequency intermediate frequency signal.
  • the multi-frequency intermediate frequency signal output by the demodulator 207 is actually two in-phase orthogonal signals, which are an I signal and a Q signal, respectively.
  • the I signal and the Q signal Before performing analog-to-digital conversion on the I signal and the Q signal, the I signal and the Q signal may be subjected to anti-aliasing filtering processing by the first anti-aliasing filter 208 and the second anti-aliasing filter 209, respectively, to filter out Alias band spurs and other spurs due to frequency conversion.
  • the I signal and the Q signal before the anti-aliasing filtering process, may be gain-amplified by the first gain amplifier and the second gain amplifier, respectively, but whether gain amplification is required is processed according to the actual signal strength.
  • the ADC receives the multi-frequency intermediate frequency signal output by the processing device, samples the multi-frequency intermediate frequency signal, and converts the analog signal into a digital signal, and then processes the digital signal. Since the sampling rate required by the ADC for directly acquiring the RF signal is high, the sampling rate when the IF signal is acquired is low, and the performance of the ADC at the low sampling rate is higher than that at the high sampling rate, so in this embodiment, The processing device can reduce the energy consumption of the entire multi-band signal processing process and improve the efficiency.
  • FIG. 3 is a schematic diagram of hardware of a multi-band receiver system according to an embodiment.
  • the multi-band receiver system provided in this embodiment will be described below with reference to FIG.
  • the multi-band receiver system provided in this embodiment is configured to receive 1.8 gigabit (G) and 2.1 G dual-band radio frequency signals (corresponding to the multi-band radio frequency signals in the foregoing embodiment), and the receiving antenna 301 (corresponding to the above embodiment)
  • the receiver simultaneously receives the 1.8G and 2.1G dual-band RF signals, and the dual-band RF signals are filtered through the filter 302 (corresponding to the first filter in the above embodiment) to filter out the out-of-band interference or spurs, and then pass through
  • the low noise amplifier 303 (corresponding to the low noise amplifier in the above embodiment) performs low noise amplification processing
  • the frequency processor 304 (corresponding to the frequency selector in the above embodiment) separates the dual frequency signal to the dual gain controller 305 (corresponding to the gain adjuster in the above embodiment) processing.
  • the dual gain controller 305 can implement separate gain control for the 1.8G signal and the 2.1G signal, and after the respective gain control processing, the filters on the respective transmission channels, such as the filter 306 for processing the 2.1G signal and the processing 1.8G.
  • a filter 307 of the signal (the functions of the filter 306 and the filter 307 are equivalent to the second filter in the above embodiment) to achieve noise suppression of the inter-frequency signal, and the 1.8G signal and the 2.1G signal pass through the filter 307 and
  • the input to the combiner 308 (corresponding to the combiner in the above embodiment) recombines the 1.8G signal and the 2.1G signal, and the demodulator 309 and the phase locked loop (PLL)
  • the module (corresponding to the demodulator in the above embodiment) simultaneously demodulates the dual-band radio frequency signal into an in-phase quadrature (IQ) signal (corresponding to the multi-frequency intermediate frequency signal in the above embodiment), IQ
  • IQ in-phase quadrature
  • the IQ signal passes through the amplifier 310 (corresponding to the first gain amplifier in the above embodiment) and the amplifier 311 ( Corresponding to the second gain amplifier in the above embodiment, the I signal and the Q signal are gain-amplified, but whether amplification is required or not is performed according to the actual signal strength.
  • the technical solution of the present disclosure may be embodied in the form of a software product stored in a storage medium (such as Read-Only Memory (ROM) / Random Access Memory (Random Access Memory). , RAM, disk or optical disk, comprising a plurality of instructions for causing a terminal device (which may be a cell phone, a computer, a server or a network device, etc.) to perform the method described in any of the embodiments of the present disclosure.
  • ROM Read-Only Memory
  • Random Access Memory Random Access Memory
  • Embodiments of the present disclosure also provide a storage medium.
  • the above storage medium may be configured to store program code for performing the following steps:
  • Step 110 Receive a multi-band radio frequency signal under a single channel.
  • Step 120 Perform a first filtering process on the multi-band radio frequency signal.
  • step 130 the multi-band RF signal is divided into a plurality of single-band RF signals.
  • Step 140 performing gain adjustment on each single-band radio frequency signal.
  • Step 150 Perform second filtering processing on the plurality of single-band radio frequency signals after the gain adjustment.
  • Step 160 Synthesize a plurality of second-filtered single-band radio frequency signals to obtain a broadband multi-frequency radio frequency signal.
  • Step 170 demodulating the broadband multi-frequency radio frequency signal into a multi-frequency intermediate frequency signal.
  • step 180 the multi-frequency intermediate frequency signal is subjected to anti-aliasing filtering processing and output.
  • the multi-band RF signal may be first subjected to a first filtering process, step 120, to filter out out-of-band interference or spurs. Then, step 130 is performed to perform frequency-based selection on the multi-band radio frequency signal, and the multi-band radio frequency signal is divided into multiple single-band radio frequency signals, and each single-band radio frequency signal is subjected to gain processing.
  • the gain processing may be an amplification or attenuation process.
  • the single-band RF signal is amplified or attenuated according to the size of the single-band RF signal.
  • the step of performing low-noise amplification processing on the first filtered multi-band radio frequency signal is generally included, and the amplified multi-band is performed.
  • the RF signal is selected based on the frequency band.
  • the single-band radio frequency signal can be independently controlled, that is, when the current single-band radio frequency signal is amplified, it is independent of the single-band radio frequency signal of the other.
  • the gain-adjusted single-band RF signal is subjected to a second filtering process to suppress the generation of the current single-band RF signal in other frequency bands to achieve a better output effect.
  • the separately processed single-band RF signals are combined to synthesize one broadband multi-frequency RF signal, and the broadband multi-frequency RF signal is demodulated, and the broadband multi-frequency RF signal is The multi-frequency RF signal is converted into a multi-frequency intermediate frequency signal.
  • the multi-frequency intermediate frequency signal output after frequency modulation is actually two signals that are in-phase orthogonal, respectively, an I signal and a Q signal.
  • the I and Q signals can also be subjected to anti-aliasing filtering before the analog-to-digital conversion of the I and Q signals to filter out aliasing spurs and other spurs due to frequency conversion.
  • the I signal and the Q signal may be separately amplified before the anti-aliasing processing step, but whether the gain amplification is required is processed according to the actual signal strength.
  • the foregoing storage medium may include, but is not limited to, one or more mediums that can store program codes, such as a USB flash drive, a ROM, a RAM, a mobile hard disk, a magnetic disk, or an optical disk.
  • the processor executes the method described in the above embodiments based on the program code stored in the storage medium.
  • program codes such as a USB flash drive, a ROM, a RAM, a mobile hard disk, a magnetic disk, or an optical disk.
  • the processor executes the method described in the above embodiments based on the program code stored in the storage medium.
  • the various modules or steps of the present disclosure described above can be implemented by a general-purpose computing device, and multiple modules or multiple steps can be centralized on a single computing device or distributed over On a network of multiple computing devices.
  • the plurality of modules or steps may be implemented by program code executable by the computing device, such that multiple modules or steps may be stored in the storage device by the computing device, and at some In some cases, the steps shown or described may be performed in an order different than that herein, or multiple modules or multiple steps may be separately fabricated into one integrated circuit module, or multiple of multiple modules or multiple steps. Modules or steps are made into a single integrated circuit module. Thus, the present disclosure is not limited to any specific combination of hardware and software.

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Abstract

A method and device for processing a multi-band signal, the method comprising: receiving a multi-band radio frequency signal under a single channel; dividing the multi-band radio frequency signal into multiple single-band radio frequency signals; performing gain adjustment on each single-band radio frequency signal; synthesizing the multiple gain-adjusted single-band radio frequency signals to obtain a broadband multi-band radio frequency signal; demodulating the broadband multi-band radio frequency signal into a multi-band intermediate frequency signal, and outputting the multi-band intermediate frequency signal.

Description

多频段信号的处理方法、装置及存储介质Multi-band signal processing method, device and storage medium
本公开要求申请日为2017年11月08日、申请号为201711091652.0的中国专利申请的优先权，该申请的全部内容通过引用结合在本公开中。The present application claims the priority of the Chinese Patent Application No. PCT Application No.
技术领域Technical field
本公开涉及无线通信技术领域，例如涉及一种多频段信号的处理方法、装置及存储介质。The present disclosure relates to the field of wireless communication technologies, for example, to a method, an apparatus, and a storage medium for processing a multi-band signal.
背景技术Background technique
随着无线通信技术的发展，无线基站产品向宽带化和多频段方向发展，接收机的架构也在不断的改进，多频段接收机的需求越来越多。传统的多频段接收方案为同时使用多个接收机进行拼凑以实现多频段同时接收和处理，但该方案因使用多个接收机使设备成本高、占地面积大且不符合小型化基站的发展需求。相关技术中采用对接收到的多频段射频信号进行直接采集的方案，此种方案要求模数转换器(Analog-to-Digital Converter，ADC)具有较高的采样率，导致器件选择限制大且***性能低。With the development of wireless communication technology, the development of wireless base station products in the direction of broadband and multi-band, the architecture of the receiver is also constantly improving, and the demand for multi-band receivers is increasing. The traditional multi-band receiving scheme is to use multiple receivers at the same time to achieve multi-band simultaneous reception and processing. However, this scheme makes the equipment costly, covers a large area and does not conform to the development of miniaturized base stations due to the use of multiple receivers. demand. The related art adopts a scheme for directly collecting the received multi-band RF signal, which requires an analog-to-digital converter (ADC) to have a high sampling rate, resulting in a large device selection limit and a system. Low performance.
发明内容Summary of the invention
本公开提供一种多频段信号的处理方法、装置及存储介质，用以解决使用射频直采方案造成器件选择限制大及***性能低等问题。The present disclosure provides a method, a device, and a storage medium for processing a multi-band signal, which are used to solve the problems of large device selection limitation and low system performance caused by using a radio frequency direct mining scheme.
本公开提供一种多频段信号的处理方法，包括：接收单通道下的多频段射频信号；将所述多频段射频信号分成多个单频段射频信号；对每个单频段射频信号进行增益调整；对增益调整后的多个单频段射频信号进行合成，得到宽带多频射频信号；将所述宽带多频射频信号解调成多频中频信号，并输出多频中频信号。The present disclosure provides a method for processing a multi-band signal, comprising: receiving a multi-band radio frequency signal in a single channel; dividing the multi-band radio frequency signal into a plurality of single-band radio frequency signals; and performing gain adjustment on each single-band radio frequency signal; The multi-band radio frequency signals after the gain adjustment are combined to obtain a broadband multi-frequency radio frequency signal; the broadband multi-frequency radio frequency signal is demodulated into a multi-frequency intermediate frequency signal, and the multi-frequency intermediate frequency signal is output.
本公开还提供一种多频段信号的处理装置，包括：接收器，设置为接收单通道下的多频段射频信号；频率选择器，设置为将所述多频段射频信号分成多个单频段射频信号；增益调整器，设置为对每个单频段射频信号进行增益调整；合路器，设置为对增益调整后的多个单频段射频信号进行合成，得到宽带多频射频信号；解调器，设置为将所述宽带多频射频信号解调成多频中频信号，并 输出多频中频信号。The present disclosure also provides a multi-band signal processing apparatus, including: a receiver configured to receive a multi-band radio frequency signal in a single channel; and a frequency selector configured to divide the multi-band radio frequency signal into a plurality of single-band radio frequency signals Gain adjuster is set to perform gain adjustment for each single-band RF signal; the combiner is configured to synthesize a plurality of single-band RF signals after gain adjustment to obtain a broadband multi-frequency RF signal; a demodulator, setting The multi-frequency intermediate frequency signal is demodulated into a multi-frequency intermediate frequency signal, and the multi-frequency intermediate frequency signal is output.
本公开还提供一种计算机可读存储介质，存储有程序代码，所述程序代码用于执行上述的多频段信号的处理方法。The present disclosure also provides a computer readable storage medium storing program code for performing the above-described processing method of a multi-band signal.
附图说明DRAWINGS
图1是一实施例提供的多频段信号的处理方法的流程图；1 is a flowchart of a method for processing a multi-band signal according to an embodiment;
图2是一实施例提供的多频段信号的处理装置的结构示意图；2 is a schematic structural diagram of a multi-band signal processing apparatus according to an embodiment;
图3是一实施例提供的多频段接收机***的硬件示意图。FIG. 3 is a schematic diagram of hardware of a multi-band receiver system according to an embodiment.
具体实施方式Detailed ways
本公开提供了一种多频段信号的处理方法、装置及存储介质，以下结合附图以及实施例，对本公开进行说明。应当理解，此处所描述的实施例仅仅用以解释本公开，并不限定本公开。The present disclosure provides a method, an apparatus, and a storage medium for processing a multi-band signal. The present disclosure will be described below in conjunction with the accompanying drawings and embodiments. It is to be understood that the embodiments described herein are merely illustrative of the disclosure and are not intended to be limiting.
图1为一实施例提供的一种多频段信号的处理方法的流程图。如图1所示，本实施例提供的多频段信号的处理方法包括步骤1010至步骤1080。FIG. 1 is a flowchart of a method for processing a multi-band signal according to an embodiment. As shown in FIG. 1 , the method for processing a multi-band signal provided by this embodiment includes steps 1010 to 1080.
步骤1010，接收单通道下的多频段射频信号。Step 1010: Receive a multi-band RF signal in a single channel.
步骤1020，对多频段射频信号进行第一滤波处理。Step 1020: Perform a first filtering process on the multi-band radio frequency signal.
步骤1030，将多频段射频信号分成多个单频段射频信号。In step 1030, the multi-band RF signal is divided into a plurality of single-band RF signals.
步骤1040，对每个单频段射频信号进行增益调整。In step 1040, gain adjustment is performed on each single-band radio frequency signal.
步骤1050，对增益调整后的多个单频段射频信号分别进行第二滤波处理。Step 1050: Perform a second filtering process on the plurality of single-band RF signals after the gain adjustment.
步骤1060，对第二滤波处理后的多个单频段射频信号进行合成，得到宽带多频射频信号。Step 1060: Synthesize a plurality of single-band radio frequency signals after the second filtering process to obtain a broadband multi-frequency radio frequency signal.
步骤1070，将宽带多频射频信号解调成多频中频信号。In step 1070, the broadband multi-frequency radio frequency signal is demodulated into a multi-frequency intermediate frequency signal.
步骤1080，对多频中频信号进行抗混叠滤波处理后输出。In step 1080, the multi-frequency intermediate frequency signal is subjected to anti-aliasing filtering processing and output.
接收机使用本实施例提供的方法，能够实现第三代合作伙伴计划(3rd Generation Partnership Project，3GPP)对接收技术***指标的要求，同时接收至少两个频段的射频信号。在一实施例中，射频信号的频段可以为：全球移动通信***(Global System for Mobile Communication，GSM)的规定频段、第三代移动通信技术(3rd-Generation，3G)的规定频段、长期演进技术(Long Term Evolution，LTE)的规定频段、无线局域网(Wireless Local Area Networks，WLAN)的规定频段等3GPP计划内的频段。The receiver uses the method provided in this embodiment to implement the requirements of the 3rd Generation Partnership Project (3GPP) for receiving technical system indicators, and simultaneously receives radio frequency signals of at least two frequency bands. In an embodiment, the frequency band of the radio frequency signal may be: a specified frequency band of the Global System for Mobile Communication (GSM), a prescribed frequency band of the third generation mobile communication technology (3G), and a long-term evolution technology. The frequency band of the 3GPP plan, such as the specified frequency band of Long Term Evolution (LTE) and the specified frequency band of Wireless Local Area Networks (WLAN).
接收到多频段射频信号后，可以先对该多频段射频信号进行第一滤波处理，即步骤1020，以滤除带外的干扰或者杂散。随后执行步骤1030对多频段射频信号进行基于频段的选择，将一路多频段射频信号分成多路单频段射频信号，对每一路单频段射频信号进行增益处理。在一实施例中，增益处理可以为放大或衰减处理。在一实施例中，根据该路单频段射频信号的大小决定对该路信号进行放大处理还是衰减处理。在一实施例中，在对多频段射频信号进行基于频段的选择之前，通常对第一滤波处理后的多频段射频信号进行低噪声放大处理，并对放大后的多频段射频信号进行基于频段的选择。并且在本实施例中，对每一路单频段射频信号均可以实现独立控制，即对当前单频段射频信号进行放大时与他路单频段射频信号无关。在一实施例中，对增益调整后的单频段射频信号进行第二滤波处理，以抑制其他频段在当前单频段射频信号的产生，以达到更好的输出效果。After receiving the multi-band RF signal, the multi-band RF signal may be first subjected to a first filtering process, step 1020, to filter out out-of-band interference or spurs. Then, in step 1030, the multi-band radio frequency signal is selected based on the frequency band, and the multi-band radio frequency signal is divided into multiple single-band radio frequency signals, and each single-band radio frequency signal is subjected to gain processing. In an embodiment, the gain processing may be an amplification or attenuation process. In an embodiment, the amplification or attenuation processing of the channel signal is determined according to the size of the single-band radio frequency signal of the road. In an embodiment, before the frequency-based selection of the multi-band RF signal, the first filtered multi-band RF signal is generally subjected to low-noise amplification processing, and the amplified multi-band RF signal is subjected to frequency band-based processing. select. In this embodiment, each of the single-band radio frequency signals can be independently controlled, that is, when the current single-band radio frequency signal is amplified, it is independent of the single-band radio frequency signal of the other. In an embodiment, the gain-adjusted single-band RF signal is subjected to a second filtering process to suppress the generation of the current single-band RF signal in other frequency bands to achieve a better output effect.
为了方便进行射频信号的解调，将经过单独处理后的单频段射频信号进行合路处理，合成一路宽带多频射频信号，并对宽带多频射频信号进行解调，将宽带多频射频信号由多频射频信号变频成多频中频信号。在一实施例中，调频后输出的多频中频信号实际上为两路同相正交的信号，分别为同相(In-phase，I)信号和正交(Quadrature，Q)信号。在对I信号和Q信号进行模数转换之前，还可以对I信号和Q信号进行抗混叠滤波处理，以过滤出混叠带杂散以及其它由于变频产生的杂散。在一实施例中，在进行抗混叠滤波处理之前，可以分别对I信号和Q信号进行增益放大，但是否需要进行增益放大则根据实际信号强度处理。In order to facilitate the demodulation of the RF signal, the separately processed single-band RF signals are combined to synthesize one broadband multi-frequency RF signal, and the broadband multi-frequency RF signal is demodulated, and the broadband multi-frequency RF signal is The multi-frequency RF signal is converted into a multi-frequency intermediate frequency signal. In an embodiment, the multi-frequency intermediate frequency signal output after frequency modulation is actually two signals that are in phase and orthogonal, respectively being an in-phase (I) signal and a quadrature (Q) signal. The I and Q signals can also be subjected to anti-aliasing filtering before the analog-to-digital conversion of the I and Q signals to filter out aliasing spurs and other spurs due to frequency conversion. In an embodiment, the I signal and the Q signal may be separately amplified by gain before the anti-aliasing filtering process is performed, but whether the gain amplification is required is processed according to the actual signal strength.
ADC对输出的多频中频信号进行采样，并将模拟信号转化为数字信号，之后进行数字信号的处理。由于ADC在直接采集射频信号时需要的采样率较高，在采集中频信号时的采样率较低，且ADC在低采样率时的性能高于高采样率时的性能，因此使用本实施例中的处理方法可以降低整个多频段信号处理过程的能耗，提高了效率。The ADC samples the output multi-frequency IF signal and converts the analog signal into a digital signal, which is then processed. Since the sampling rate required by the ADC for directly acquiring the RF signal is high, the sampling rate when the IF signal is acquired is low, and the performance of the ADC at the low sampling rate is higher than that at the high sampling rate, so in this embodiment, The processing method can reduce the energy consumption of the entire multi-band signal processing process and improve the efficiency.
本实施例通过将多频段射频信号进行分频段处理，在变频之前将处理后的多个单频段射频信号合路，转换成多频中频信号输出至ADC进行后续处理，由于ADC处理多频中频信号所需的采样率低，并且ADC在低采样率时的***性能高于高采样率时的***性能，因此，解决了使用射频直采方案造成器件选择限制大及***性能低等问题。In this embodiment, the multi-band RF signal is processed in a frequency band, and the processed single-band RF signals are combined before being converted into a multi-frequency intermediate frequency signal and output to the ADC for subsequent processing, because the ADC processes the multi-frequency intermediate frequency signal. The required sampling rate is low, and the system performance of the ADC at low sampling rate is higher than that of the system at high sampling rate. Therefore, the problem of large device selection limitation and low system performance caused by using the RF direct mining scheme is solved.
图2是一实施例提供的多频段信号的处理装置的结构示意图。如图2所示，包括依次耦合的接收器201、第一滤波器202、频率选择器203、增益调整器204、第二滤波器205、合路器206、解调器207和第一抗混叠滤波器208以及与解调器207耦合的第二抗混叠滤波器209。其中，接收器201设置为接收单通道下的多频段射频信号；频率选择器203设置为将多频段射频信号分成多个单频段射频信号；增益调整器204设置为对每个单频段射频信号进行增益调整；合路器206设置为对增益调整后的多个单频段射频信号进行合成，得到宽带多频射频信号；解调器207设置为将宽带多频射频信号解调成多频中频信号后输出。FIG. 2 is a schematic structural diagram of a multi-band signal processing apparatus according to an embodiment. As shown in FIG. 2, the receiver 201, the first filter 202, the frequency selector 203, the gain adjuster 204, the second filter 205, the combiner 206, the demodulator 207, and the first anti-alias are sequentially coupled. The stack filter 208 and a second anti-aliasing filter 209 coupled to the demodulator 207. The receiver 201 is configured to receive a multi-band radio frequency signal in a single channel; the frequency selector 203 is configured to divide the multi-band radio frequency signal into a plurality of single-band radio frequency signals; and the gain adjuster 204 is configured to perform each single-band radio frequency signal. Gain adjustment; combiner 206 is configured to synthesize a plurality of single-band radio frequency signals after gain adjustment to obtain a wideband multi-frequency radio frequency signal; demodulator 207 is configured to demodulate the wideband multi-frequency radio frequency signal into a multi-frequency intermediate frequency signal Output.
在本实施例中，接收器201接收到多频段射频信号后，可以先通过第一滤波器202对该多频段射频信号进行第一滤波处理，以滤除带外的干扰或者杂散，随后利用低噪声放大器对第一滤波处理后的多频段射频信号进行低噪声放大处理，对放大后的多频段射频信号使用频率选择器203进行基于频段的选择，将一路多频段射频信号分成多路单频段射频信号，对每一路单频段射频信号使用增益调整器204进行增益处理。在一实施例中，增益调整器204进行的增益处理可以为放大或衰减处理。在一实施例中，根据该路单频段射频信号的大小决定对该路单频段射频信号进行放大处理还是衰减处理。在一实施例中，增益调整器204可以包括多个增益调整器，增益调整器204的数量根据单频段射频信号的数量而定，使每一路单频段射频信号均可以得到独立的控制，即对当前单频段射频信号进行放大时与他路单频段射频信号无关。在一实施例中，对增益调整后的单频段射频信号还可以通过第二滤波器205进行第二滤波处理，以抑制其他频段在当前单频段射频信号的产生，达到更好的输出效果。In this embodiment, after receiving the multi-band radio frequency signal, the receiver 201 may perform the first filtering process on the multi-band radio frequency signal through the first filter 202 to filter out the out-of-band interference or spurs, and then utilize The low noise amplifier performs low noise amplification processing on the first filtered multi-band RF signal, and uses the frequency selector 203 to perform frequency-based selection on the amplified multi-band RF signal, and divides one multi-band RF signal into multiple single-band signals. The RF signal is subjected to gain processing using a gain adjuster 204 for each single-band RF signal. In an embodiment, the gain processing performed by gain adjuster 204 may be an amplification or attenuation process. In an embodiment, the single-band RF signal is amplified or attenuated according to the size of the single-band RF signal. In an embodiment, the gain adjuster 204 can include a plurality of gain adjusters. The number of the gain adjusters 204 is determined according to the number of single-band RF signals, so that each single-band RF signal can be independently controlled, that is, The current single-band RF signal is amplified regardless of its single-band RF signal. In an embodiment, the gain-adjusted single-band RF signal can also be subjected to a second filtering process by the second filter 205 to suppress the generation of the current single-band RF signal in other frequency bands to achieve a better output effect.
为了节省模块数量、减小装置的体积和占地面积，装置使用合路器206将经过单独处理后的单频段射频信号进行合路处理，以合成一路宽带多频射频信号，并对通过解调器207对宽带多频射频信号进行解调，将宽带多频射频信号由多频射频信号变频成多频中频信号。在一实施例中，解调器207输出的多频中频信号实际上为两路同相正交的信号，分别为I信号和Q信号。在对I信号和Q信号进行模数转换之前，还可以通过第一抗混叠滤波器208和第二抗混叠滤波器209分别对I信号和Q信号进行抗混叠滤波处理，以过滤出混叠带杂散以及其它由于变频产生的杂散。在一实施例中，在进行抗混叠滤波处理之前，可以分别通过第一增益放大器和第二增益放大器对I信号和Q信号进行增益放大，但是否需要进行增益放大则根据实际信号强度处理。In order to save the number of modules, reduce the size and footprint of the device, the device uses the combiner 206 to combine the separately processed single-band RF signals to synthesize one wide-band multi-frequency RF signal and pass the demodulation. The device 207 demodulates the broadband multi-frequency radio frequency signal, and converts the broadband multi-frequency radio frequency signal from the multi-frequency radio frequency signal into a multi-frequency intermediate frequency signal. In one embodiment, the multi-frequency intermediate frequency signal output by the demodulator 207 is actually two in-phase orthogonal signals, which are an I signal and a Q signal, respectively. Before performing analog-to-digital conversion on the I signal and the Q signal, the I signal and the Q signal may be subjected to anti-aliasing filtering processing by the first anti-aliasing filter 208 and the second anti-aliasing filter 209, respectively, to filter out Alias band spurs and other spurs due to frequency conversion. In an embodiment, before the anti-aliasing filtering process, the I signal and the Q signal may be gain-amplified by the first gain amplifier and the second gain amplifier, respectively, but whether gain amplification is required is processed according to the actual signal strength.
ADC接收处理装置输出的多频中频信号，对该多频中频信号进行采样，并将模拟信号转化为数字信号，之后进行数字信号的处理。由于ADC在直接采集射频信号时需要的采样率较高，在采集中频信号时的采样率较低，且ADC在低采样率时的性能高于高采样率时的性能，因此使用本实施例中的处理装置可以降低整个多频段信号处理过程的能耗，提高了效率。The ADC receives the multi-frequency intermediate frequency signal output by the processing device, samples the multi-frequency intermediate frequency signal, and converts the analog signal into a digital signal, and then processes the digital signal. Since the sampling rate required by the ADC for directly acquiring the RF signal is high, the sampling rate when the IF signal is acquired is low, and the performance of the ADC at the low sampling rate is higher than that at the high sampling rate, so in this embodiment, The processing device can reduce the energy consumption of the entire multi-band signal processing process and improve the efficiency.
图3是一实施例提供的多频段接收机***的硬件示意图。下面结合图3对本实施例提供的多频段接收机***进行描述。FIG. 3 is a schematic diagram of hardware of a multi-band receiver system according to an embodiment. The multi-band receiver system provided in this embodiment will be described below with reference to FIG.
本实施例提供的多频段接收机***设置为接收1.8千兆(G)和2.1G双频段射频信号(相当于上述实施例中的多频段射频信号)，接收天线301(相当于上述实施例中的接收器)同时接收1.8G和2.1G双频段射频信号，该双频段射频信号经过滤波器302(相当于上述实施例中的第一滤波器)滤除带外的干扰或者杂散，随后经过低噪声放大器303(相当于上述实施例中的低噪声放大器)进行低噪声放大处理，由频率处理器304(相当于上述实施例中的频率选择器)将双频信号分开给双路增益控制器305(相当于上述实施例中的增益调整器)处理。双路增益控制器305可以对1.8G信号和2.1G信号实现分别增益控制，经过各自的增益控制处理后，给各自传输通道上的滤波器，如处理2.1G信号的滤波器306和处理1.8G信号的滤波器307(滤波器306和滤波器307的功能相当于上述实施例中的第二滤波器)，以实现对异频信号噪声抑制，1.8G信号和2.1G信号分别经过滤波器307和滤波器306处理后，输入给合路器308(相当于上述实施例中的合路器)将1.8G信号和2.1G信号重新合路，解调器309与锁相环(Phase Locked Loop，PLL)模块(相当于上述实施例中的解调器)将双频段射频信号同时解调成同相正交(In-phase Quadrature，IQ)信号(相当于上述实施例中的多频中频信号)，IQ信号再分别经过抗混叠滤波器312(相当于上述实施例中的第一抗混叠滤波器)和抗混叠滤波器313(相当于上述实施例中的第二抗混叠滤波器)滤除混叠带杂散后给ADC完成模数转换，在一实施例中，在IQ信号在分别经过抗混叠滤波器312和抗混叠滤波器313之前，该IQ信号分别经过放大器310(相当于上述实施例中的第一增益放大器)和放大器311(相当于上述实施例中的第二增益放大器)，对I信号和Q信号进行增益放大，但是否需要进行放大则根据实际信号强度处理。The multi-band receiver system provided in this embodiment is configured to receive 1.8 gigabit (G) and 2.1 G dual-band radio frequency signals (corresponding to the multi-band radio frequency signals in the foregoing embodiment), and the receiving antenna 301 (corresponding to the above embodiment) The receiver) simultaneously receives the 1.8G and 2.1G dual-band RF signals, and the dual-band RF signals are filtered through the filter 302 (corresponding to the first filter in the above embodiment) to filter out the out-of-band interference or spurs, and then pass through The low noise amplifier 303 (corresponding to the low noise amplifier in the above embodiment) performs low noise amplification processing, and the frequency processor 304 (corresponding to the frequency selector in the above embodiment) separates the dual frequency signal to the dual gain controller 305 (corresponding to the gain adjuster in the above embodiment) processing. The dual gain controller 305 can implement separate gain control for the 1.8G signal and the 2.1G signal, and after the respective gain control processing, the filters on the respective transmission channels, such as the filter 306 for processing the 2.1G signal and the processing 1.8G. a filter 307 of the signal (the functions of the filter 306 and the filter 307 are equivalent to the second filter in the above embodiment) to achieve noise suppression of the inter-frequency signal, and the 1.8G signal and the 2.1G signal pass through the filter 307 and After the filter 306 processes, the input to the combiner 308 (corresponding to the combiner in the above embodiment) recombines the 1.8G signal and the 2.1G signal, and the demodulator 309 and the phase locked loop (PLL) The module (corresponding to the demodulator in the above embodiment) simultaneously demodulates the dual-band radio frequency signal into an in-phase quadrature (IQ) signal (corresponding to the multi-frequency intermediate frequency signal in the above embodiment), IQ The signal is passed through an anti-aliasing filter 312 (corresponding to the first anti-aliasing filter in the above embodiment) and an anti-aliasing filter 313 (corresponding to the second anti-aliasing filter in the above embodiment). Perform analog-to-digital conversion on the ADC after the aliasing of the alias In one embodiment, before the IQ signal passes through the anti-aliasing filter 312 and the anti-aliasing filter 313, respectively, the IQ signal passes through the amplifier 310 (corresponding to the first gain amplifier in the above embodiment) and the amplifier 311 ( Corresponding to the second gain amplifier in the above embodiment, the I signal and the Q signal are gain-amplified, but whether amplification is required or not is performed according to the actual signal strength.
通过以上的实施方式的描述，本领域的技术人员可以了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本公开的技术方案可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如只读存储器(Read-Only Memory，ROM)/随机存取存储器(Random Access Memory，RAM、磁碟或光盘)中，包括多个指令用以使得一台终端设备(可以是手机、计算机、服务器或者网络设备等)执行本公开任意实施例所述的方法。Through the description of the above embodiments, those skilled in the art can understand that the method according to the foregoing embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better. Implementation. Based on such understanding, the technical solution of the present disclosure may be embodied in the form of a software product stored in a storage medium (such as Read-Only Memory (ROM) / Random Access Memory (Random Access Memory). , RAM, disk or optical disk, comprising a plurality of instructions for causing a terminal device (which may be a cell phone, a computer, a server or a network device, etc.) to perform the method described in any of the embodiments of the present disclosure.
本公开的实施例还提供了一种存储介质。在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：Embodiments of the present disclosure also provide a storage medium. In this embodiment, the above storage medium may be configured to store program code for performing the following steps:
步骤110，接收单通道下的多频段射频信号。Step 110: Receive a multi-band radio frequency signal under a single channel.
步骤120，对多频段射频信号进行第一滤波处理。Step 120: Perform a first filtering process on the multi-band radio frequency signal.
步骤130，将多频段射频信号分成多个单频段射频信号。In step 130, the multi-band RF signal is divided into a plurality of single-band RF signals.
步骤140，对每个单频段射频信号进行增益调整。Step 140, performing gain adjustment on each single-band radio frequency signal.
步骤150，对增益调整后的多个单频段射频信号分别进行第二滤波处理。Step 150: Perform second filtering processing on the plurality of single-band radio frequency signals after the gain adjustment.
步骤160，对多个第二滤波处理后的单频段射频信号进行合成，得到宽带多频射频信号。Step 160: Synthesize a plurality of second-filtered single-band radio frequency signals to obtain a broadband multi-frequency radio frequency signal.
步骤170，将宽带多频射频信号解调成多频中频信号。Step 170, demodulating the broadband multi-frequency radio frequency signal into a multi-frequency intermediate frequency signal.
步骤180，对多频中频信号进行抗混叠滤波处理后输出。In step 180, the multi-frequency intermediate frequency signal is subjected to anti-aliasing filtering processing and output.
接收到多频段射频信号后，可以先对该多频段射频信号进行第一滤波处理，即步骤120，以滤除带外的干扰或者杂散。随后执行步骤130对多频段射频信号进行基于频段的选择，将一路多频段射频信号分成多路单频段射频信号，对每一路单频段射频信号进行增益处理。在一实施例中，增益处理可以为放大或衰减处理。在一实施例中，根据该路单频段射频信号的大小决定对该路单频段射频信号进行放大处理还是衰减处理。在一实施例中，在执行多频段射频信号进行基于频段的选择的步骤之前，通常还包括对第一滤波处理后的多频段射频信号进行低噪声放大处理的步骤，并对放大后的多频段射频信号进行基于频段的选择。并且在本实施例中，对每一路单频段射频信号可以实现独立控制，即对当前单频段射频信号进行放大时与他路单频段射频信号无关。在一实施例中，对增益调整后的单频段射频信号进行第二滤波处理，以抑制其他频段在当前单频段射频信号的产生，以达到更好的输出效果。After receiving the multi-band RF signal, the multi-band RF signal may be first subjected to a first filtering process, step 120, to filter out out-of-band interference or spurs. Then, step 130 is performed to perform frequency-based selection on the multi-band radio frequency signal, and the multi-band radio frequency signal is divided into multiple single-band radio frequency signals, and each single-band radio frequency signal is subjected to gain processing. In an embodiment, the gain processing may be an amplification or attenuation process. In an embodiment, the single-band RF signal is amplified or attenuated according to the size of the single-band RF signal. In an embodiment, before the step of performing the frequency band-based selection of the multi-band radio frequency signal, the step of performing low-noise amplification processing on the first filtered multi-band radio frequency signal is generally included, and the amplified multi-band is performed. The RF signal is selected based on the frequency band. In this embodiment, the single-band radio frequency signal can be independently controlled, that is, when the current single-band radio frequency signal is amplified, it is independent of the single-band radio frequency signal of the other. In an embodiment, the gain-adjusted single-band RF signal is subjected to a second filtering process to suppress the generation of the current single-band RF signal in other frequency bands to achieve a better output effect.
为了方便进行射频信号的解调，将经过单独处理后的单频段射频信号进行 合路处理，合成一路宽带多频射频信号，并对宽带多频射频信号进行解调，将宽带多频射频信号由多频射频信号变频成多频中频信号。在一实施例中，调频后输出的多频中频信号实际上为两路同相正交的信号，分别为I信号和Q信号。在对I信号和Q信号进行模数转换之前，还可以对I信号和Q信号进行抗混叠滤波处理，以过滤出混叠带杂散以及其它由于变频产生的杂散。在一实施例中，在进行抗混叠滤波处理步骤之前，可以分别对I信号和Q信号进行增益放大，但是否需要进行增益放大则根据实际信号强度处理。In order to facilitate the demodulation of the RF signal, the separately processed single-band RF signals are combined to synthesize one broadband multi-frequency RF signal, and the broadband multi-frequency RF signal is demodulated, and the broadband multi-frequency RF signal is The multi-frequency RF signal is converted into a multi-frequency intermediate frequency signal. In an embodiment, the multi-frequency intermediate frequency signal output after frequency modulation is actually two signals that are in-phase orthogonal, respectively, an I signal and a Q signal. The I and Q signals can also be subjected to anti-aliasing filtering before the analog-to-digital conversion of the I and Q signals to filter out aliasing spurs and other spurs due to frequency conversion. In an embodiment, the I signal and the Q signal may be separately amplified before the anti-aliasing processing step, but whether the gain amplification is required is processed according to the actual signal strength.
在本实施例中，上述存储介质可以包括但不限于：U盘、ROM、RAM、移动硬盘、磁碟或者光盘等一种或多种可以存储程序代码的介质。在本实施例中，处理器根据存储介质中已存储的程序代码执行上述实施例记载的方法。本实施例中的具体示例可以参考上述实施例中所描述的示例，本实施例在此不再赘述。显然，本领域的技术人员应该明白，上述的本公开的多个模块或多个步骤可以用通用的计算装置来实现，多个模块或多个步骤可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上。在一实施例中，多个模块或多个步骤可以用计算装置可执行的程序代码来实现，从而，可以将多个模块或多个步骤存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将多个模块或多个步骤分别制作成一个集成电路模块，或者将多个模块或多个步骤中的多个模块或步骤制作成单个集成电路模块来实现。这样，本公开不限制于任何指定的硬件和软件结合。In this embodiment, the foregoing storage medium may include, but is not limited to, one or more mediums that can store program codes, such as a USB flash drive, a ROM, a RAM, a mobile hard disk, a magnetic disk, or an optical disk. In the present embodiment, the processor executes the method described in the above embodiments based on the program code stored in the storage medium. For specific examples in this embodiment, reference may be made to the examples described in the foregoing embodiments, and details are not described herein again. It will be apparent to those skilled in the art that the various modules or steps of the present disclosure described above can be implemented by a general-purpose computing device, and multiple modules or multiple steps can be centralized on a single computing device or distributed over On a network of multiple computing devices. In an embodiment, the plurality of modules or steps may be implemented by program code executable by the computing device, such that multiple modules or steps may be stored in the storage device by the computing device, and at some In some cases, the steps shown or described may be performed in an order different than that herein, or multiple modules or multiple steps may be separately fabricated into one integrated circuit module, or multiple of multiple modules or multiple steps. Modules or steps are made into a single integrated circuit module. Thus, the present disclosure is not limited to any specific combination of hardware and software.

Claims (13)

  1. 一种多频段信号的处理方法，包括：A method for processing a multi-band signal, comprising:
    接收单通道下的多频段射频信号；Receiving a multi-band RF signal under a single channel;
    将所述多频段射频信号分成多个单频段射频信号；Separating the multi-band radio frequency signal into a plurality of single-band radio frequency signals;
    对每个所述单频段射频信号进行增益调整；Performing gain adjustment on each of the single-band RF signals;
    对增益调整后的多个单频段射频信号进行合成，得到宽带多频射频信号；Synthesizing a plurality of single-band radio frequency signals after gain adjustment to obtain a broadband multi-frequency radio frequency signal;
    将所述宽带多频射频信号解调成多频中频信号，并输出所述多频中频信号。Demodulating the wideband multi-frequency radio frequency signal into a multi-frequency intermediate frequency signal, and outputting the multi-frequency intermediate frequency signal.
  2. 如权利要求1所述的处理方法，其中，在所述将所述多频段射频信号分成多个单频段信号之前，还包括：The processing method according to claim 1, wherein before the dividing the multi-band radio frequency signal into a plurality of single-band signals, the method further comprises:
    对所述多频段射频信号进行第一滤波处理；Performing a first filtering process on the multi-band radio frequency signal;
    对第一滤波处理后的多频段射频信号进行低噪声放大处理。Performing low noise amplification processing on the multi-band RF signal after the first filtering process.
  3. 如权利要求1或2所述的处理方法，其中，在所述对多个增益调整后的单频段射频信号进行合成之前，还包括：The processing method according to claim 1 or 2, wherein before the synthesizing the plurality of gain-adjusted single-band radio frequency signals, the method further comprises:
    对所述增益调整后的多个单频段射频信号分别进行第二滤波处理。Performing a second filtering process on the plurality of single-band radio frequency signals after the gain adjustment.
  4. 如权利要求1、2或3所述的处理方法，其中，所述多频中频信号为：多频同向正交IQ信号。The processing method according to claim 1, 2 or 3, wherein the multi-frequency intermediate frequency signal is: a multi-frequency synchronous quadrature IQ signal.
  5. 如权利要求1至4中任一项所述的处理方法，其中，在所述输出所述多频中频信号之前，还包括：The processing method according to any one of claims 1 to 4, further comprising: before the outputting the multi-frequency intermediate frequency signal,
    对所述多频中频信号进行抗混叠滤波处理。Anti-aliasing filtering processing is performed on the multi-frequency intermediate frequency signal.
  6. 如权利要求5所述的处理方法，其中，在所述对所述多频中频信号进行抗混叠滤波处理之前，还包括：The processing method according to claim 5, further comprising: before performing the anti-aliasing filtering process on the multi-frequency intermediate frequency signal,
    对所述多频中频信号进行增益放大处理。A gain amplification process is performed on the multi-frequency intermediate frequency signal.
  7. 一种多频段信号的处理装置，包括：A multi-band signal processing apparatus comprising:
    接收器，设置为接收单通道下的多频段射频信号；a receiver configured to receive a multi-band RF signal in a single channel;
    频率选择器，设置为将所述多频段射频信号分成多个单频段射频信号；a frequency selector configured to divide the multi-band radio frequency signal into a plurality of single-band radio frequency signals;
    增益调整器，设置为对每个所述单频段射频信号进行增益调整；a gain adjuster configured to perform gain adjustment on each of the single-band RF signals;
    合路器，设置为对增益调整后的多个单频段射频信号进行合成，得到宽带多频射频信号；The combiner is configured to synthesize a plurality of single-band RF signals after gain adjustment to obtain a broadband multi-frequency RF signal;
    解调器，设置为将所述宽带多频射频信号解调成多频中频信号，并将所述多频中频信号输出。And a demodulator configured to demodulate the wideband multi-frequency radio frequency signal into a multi-frequency intermediate frequency signal and output the multi-frequency intermediate frequency signal.
  8. 如权利要求7所述的处理装置，还包括：The processing apparatus of claim 7 further comprising:
    第一滤波器，设置为对所述多频段射频信号进行第一滤波处理；a first filter, configured to perform a first filtering process on the multi-band radio frequency signal;
    低噪声放大器，设置为对第一滤波处理后的多频段射频信号进行低噪声放大处理。The low noise amplifier is configured to perform low noise amplification processing on the multi-band RF signal after the first filtering process.
  9. 如权利要求7或8所述的处理装置，还包括：The processing apparatus according to claim 7 or 8, further comprising:
    第二滤波器，设置为对增益调整后的多个单频段射频信号分别进行第二滤波处理。The second filter is configured to perform a second filtering process on the plurality of single-band RF signals after the gain adjustment.
  10. 如权利要求7至9中任一项所述的处理装置，其中，所述多频中频信号为：多频同向正交IQ信号。The processing device according to any one of claims 7 to 9, wherein the multi-frequency intermediate frequency signal is a multi-frequency synchronous quadrature IQ signal.
  11. 如权利要求10所述的处理装置，还包括：The processing device of claim 10, further comprising:
    第一抗混叠滤波器，设置为对所述多频中频信号中的同相I信号进行抗混叠滤波处理；a first anti-aliasing filter, configured to perform anti-aliasing filtering on the in-phase I signal in the multi-frequency intermediate frequency signal;
    第二抗混叠滤波器，设置为对所述多频中频信号中的正交Q信号进行抗混叠滤波处理。A second anti-aliasing filter is provided for performing anti-aliasing filtering on the quadrature Q signal in the multi-frequency intermediate frequency signal.
  12. 如权利要求11所述的处理装置，还包括：The processing device of claim 11 further comprising:
    第一增益放大器，设置为对所述多频中频信号中的同相I信号进行增益放大处理；a first gain amplifier configured to perform gain amplification processing on the in-phase I signal in the multi-frequency intermediate frequency signal;
    第二增益放大器，设置为对所述多频中频信号中的正交Q信号进行增益放大处理。And a second gain amplifier configured to perform gain amplification processing on the quadrature Q signal in the multi-frequency intermediate frequency signal.
  13. 一种计算机可读存储介质，存储有程序代码，所述程序代码用于执行权利要求1-6任一项所述的多频段信号的处理方法。A computer readable storage medium storing program code for performing the method of processing a multi-band signal according to any one of claims 1-6.
PCT/CN2018/114639 2017-11-08 2018-11-08 Method and device for processing multi-band signal, and storage medium WO2019091435A1 (en)

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