技术领域technical field
本发明涉及5G移动通信领域，尤其是一种5G移动通信数字调制信号发生装置及其发生方法。The invention relates to the field of 5G mobile communication, in particular to a 5G mobile communication digital modulation signal generating device and a generating method thereof.
背景技术Background technique
在过去的三十年里移动通信高速发展，经历了从语音业务倒宽带数据业务的飞跃式发展，不仅深刻地改变人们的生活方式，也极大地促进了社会和经济的飞速发展。移动互联网和物联网作为未来移动通信发展的两大主要驱动力，为第五代移动通信提供广阔的应用前景。面向未来数据流量的千倍增长，千亿设备连接和多样化的业务需求都将对5G系统设计提出严峻的挑战。与4G相比，5G将支持更加多样化的场景，融入多种多址接入方式，并充分利用新型调制编码等技术，大幅度提升频谱效率。如何产生新型5G信号，给5G系统研发提供支撑，是目前业内急需解决的问题。In the past 30 years, mobile communications have developed rapidly, and experienced a leap from voice services to broadband data services, which not only profoundly changed people's lifestyles, but also greatly promoted the rapid development of society and economy. As the two main driving forces for the development of mobile communications in the future, the mobile Internet and the Internet of Things provide broad application prospects for the fifth generation of mobile communications. Facing the thousand-fold increase in data traffic in the future, hundreds of billions of device connections and diverse business requirements will pose severe challenges to 5G system design. Compared with 4G, 5G will support more diverse scenarios, integrate multiple multiple access methods, and make full use of new modulation and coding technologies to greatly improve spectral efficiency. How to generate new 5G signals to provide support for 5G system research and development is an urgent problem in the industry.
目前，5G技术一直在技术讨论，2015年2月11日，IMT-2020(5G)推进组在北京召开5G概念白皮书发布会，重点介绍5G需求、技术、频谱等方面研究成果。后续重点进入标准制定阶段。在这个阶段能够提供5G移动通信数字调制信号发生方法和装置意义极大。At present, 5G technology has been in technical discussion. On February 11, 2015, the IMT-2020 (5G) promotion group held a 5G concept white paper conference in Beijing, focusing on the research results of 5G requirements, technology, and spectrum. The follow-up focus will enter the standard formulation stage. At this stage, it is of great significance to be able to provide methods and devices for generating 5G mobile communication digital modulation signals.
发明内容Contents of the invention
为了解决现有技术的不足，本发明为5G芯片/终端/网络设备研发中提供新型矢量调制源，利用多路基带信号合成技术降低5G移动通信数字调制信号发生的复杂性，并结合成形滤波消除多路之间信号干扰问题，产生一种信号带宽可控、幅度可控、频率可自由选择的5G移动通信数字调制信号。In order to solve the shortcomings of the existing technology, the present invention provides a new type of vector modulation source for the research and development of 5G chips/terminals/network equipment, uses multi-channel baseband signal synthesis technology to reduce the complexity of 5G mobile communication digital modulation signals, and combines shaping filtering to eliminate The problem of signal interference between multiple channels produces a 5G mobile communication digital modulation signal with controllable signal bandwidth, controllable amplitude, and freely selectable frequency.
本发明采用如下技术方案：The present invention adopts following technical scheme:
一种5G移动通信数字调制信号发生装置，包括：多组数据bit流通道，用于处理多组数据bit流；A 5G mobile communication digital modulation signal generating device, comprising: multiple sets of data bit stream channels for processing multiple sets of data bit streams;
合路单元，用于将多路信号在时域合成，形成一路IQ信号；A combiner unit for combining multiple signals in the time domain to form one IQ signal;
IQ调制单元，用于将IQ信号调制到射频；The IQ modulation unit is used to modulate the IQ signal to a radio frequency;
变频单元，用于将频率点不同的多组射频信号变频产生各种频率的5G信号；The frequency conversion unit is used to convert multiple groups of radio frequency signals with different frequency points to generate 5G signals of various frequencies;
功率控制单元，用于根据用户需求自行设置输出信号的功率大小；The power control unit is used to set the power of the output signal according to the needs of users;
多组数据bit流经合路单元汇合，经过依次连通的IQ调制单元、变频单元、功率控制单元处理后输出。Multiple groups of data bit streams are merged by the combining unit, processed by the sequentially connected IQ modulation unit, frequency conversion unit, and power control unit, and then output.
优选地，所述数据bit流通道包括：依次连通的数据发生单元，用于产生频率点不同的数据bit流；Preferably, the data bit stream channel includes: sequentially connected data generation units for generating data bit streams with different frequency points;
CRC编码单元用于将数据bit流分割，再增加CRC校验标识，形成CRC编码后的bit流；The CRC coding unit is used to divide the data bit stream, and then add a CRC check mark to form a CRC coded bit stream;
信道编码单元，用于根据业务需求进行配置形成信道bit流，对于高速率业务，采用多元低密度奇偶校验码、极化码或Turbo码信道编码方式，对于低速率小包业务，将采用极化码或卷积码信道编码方式；The channel coding unit is used to configure and form channel bit streams according to service requirements. For high-rate services, multiple low-density parity-check codes, polar codes or Turbo code channel coding methods are used. For low-rate small-packet services, polarized code or convolutional code channel coding;
数字调制单元，用于进行QAM、PSK或FSK数字调制影射，形成调制数据流；A digital modulation unit, used for QAM, PSK or FSK digital modulation mapping to form a modulated data stream;
资源影射单元，用于根据实际需求将调制数据流影射到频域，形成频域数据；The resource mapping unit is used to map the modulated data stream to the frequency domain according to actual needs to form frequency domain data;
IFFT单元，用于将频域数据形成时域信号；An IFFT unit, configured to form frequency-domain data into a time-domain signal;
增加CP单元，用于降低子载波间的符号间干扰；Increase the CP unit to reduce the inter-symbol interference between sub-carriers;
成形滤波单元，一方面用于降低该数据信号本身符号间干扰，另一方面用于防止与其他信号合成时相互干扰；The shaping filter unit is used to reduce the inter-symbol interference of the data signal itself on the one hand, and to prevent mutual interference when it is combined with other signals on the other hand;
插值滤波单元，用于调整各路信号的数据长度。The interpolation filtering unit is used to adjust the data length of each signal.
根据5G移动通信数字调制信号发生装置的发生方法，所述发生方法包括如下步骤：According to the generation method of the 5G mobile communication digital modulation signal generation device, the generation method includes the following steps:
步骤1：多组数据bit流通道产生多路数据bit流，数据bit流经数据bit流通道处理；Step 1: Multiple sets of data bit stream channels generate multiple data bit streams, and the data bit streams are processed through the data bit stream channels;
步骤2：多组处理后的数据bit流经合路单元汇合成一路IQ信号；Step 2: Multiple groups of processed data bit streams are merged into one IQ signal through the combining unit;
步骤3：IQ信号送给IQ调制单元，信号被调制到射频；Step 3: The IQ signal is sent to the IQ modulation unit, and the signal is modulated to the radio frequency;
步骤4：IQ信号需要经过变频单元，产生各种频率的5G信号；Step 4: The IQ signal needs to pass through the frequency conversion unit to generate 5G signals of various frequencies;
步骤5：5G信号经过功率控制单元，功率控制单元根据用户需求设置输出信号的功率大小，并输出所需信号。Step 5: The 5G signal passes through the power control unit, and the power control unit sets the power of the output signal according to the user's needs, and outputs the required signal.
进一步地，所述步骤1中数据bit流经数据bit流通道处理包括如下步骤：Further, in the step 1, the data bit flow through the data bit flow channel processing includes the following steps:
(1)数据流发生模块产生n路数据bit流，每路都支持全0、全1、01交替、PN序列、业务数据、或用户自定义数据；(1) The data stream generation module generates n data bit streams, each of which supports all 0, all 1, 01 alternate, PN sequence, business data, or user-defined data;
(2)产生的数据流经过CRC编码单元，先将数据bit流按照固定长度分割，再增加CRC校验标识，形成CRC编码后的bit流；(2) The generated data stream passes through the CRC encoding unit, first divides the data bit stream according to a fixed length, and then adds the CRC check mark to form the bit stream after CRC encoding;
(3)形成的bit流送给信道编码单元，信道编码根据业务需求进行配置，对于高速率业务，采用多元低密度奇偶校验码、极化码或Turbo码信道编码方式，对于低速率小包业务，将采用极化码或卷积码信道编码方式；(3) The formed bit stream is sent to the channel coding unit, and the channel coding is configured according to the service requirements. For high-rate services, multivariate low-density parity-check codes, polar codes or Turbo code channel coding methods are used. For low-rate small-packet services , will use polar code or convolutional code channel coding;
(4)经过信道编码单元后形成各种信道bit流，信道bit流在进行QAM、PSK或FSK数字调制影射，形成调制数据流，数据位宽和IQ调制单元的IQ输入位宽一致；(4) Various channel bit streams are formed after the channel coding unit, and the channel bit stream is carrying out QAM, PSK or FSK digital modulation mapping to form a modulated data stream, and the data bit width is consistent with the IQ input bit width of the IQ modulation unit;
(5)调制数据流进入资源影射单元，根据实际需求将调制数据流影射到频域，形成频域数据；(5) The modulated data stream enters the resource mapping unit, and the modulated data stream is mapped to the frequency domain according to actual needs to form frequency domain data;
(6)频域数据再通过IFFT单元形成时域信号，IFFT长度取决于形成资源影射单元形成的频率范围除以频率间隔，频率间隔用户可根据需求自行设置；(6) The frequency domain data is then passed through the IFFT unit to form a time domain signal. The length of the IFFT depends on the frequency range formed by the resource mapping unit divided by the frequency interval. The frequency interval can be set by the user according to the needs;
(7)时域信号通过增加CP单元，降低子载波间的符号间干扰；(7) Time-domain signals reduce inter-symbol interference between subcarriers by adding CP units;
(8)时域信号继续通过成形滤波单元，成形滤波一方面降低该数据信号本身符号间干扰，另一方面防止与其他信号合成时相互干扰；(8) The time-domain signal continues to pass through the shaping filter unit. On the one hand, the shaping filter reduces the inter-symbol interference of the data signal itself, and on the other hand, prevents mutual interference when it is combined with other signals;
(9)经过插值滤波单元后各路信号的数据长度相等。(9) After passing through the interpolation filtering unit, the data length of each signal is equal.
采用如上技术方案取得的有益技术效果为：The beneficial technical effect obtained by adopting the above technical scheme is:
本发明可以产生用户自定义多变的5G移动通信数字调制信号，可以广发应用于5G移动通信芯片/终端/基站设备的接收通道研发测试中，也可用于5G移动通信芯片/终端/基站设备的接收测试和设备发射信号比对测试中，为5G移动通信芯片/终端/基站设备各个阶段的提供多种调制方式的通信信号，在5G移动通信芯片/终端/基站设备的各个阶段研发时中查找和分析问题等方面都有着非常重要的作用。可运用于通信设备、芯片、终端等研发、生产和维修、认证机构的数字调制信号认证、通信器件的设计和测试等场合。The present invention can generate user-defined and variable 5G mobile communication digital modulation signals, which can be widely used in the research and development and testing of receiving channels of 5G mobile communication chips/terminals/base station equipment, and can also be used in the development and testing of 5G mobile communication chips/terminals/base station equipment In the receiving test and equipment transmission signal comparison test, communication signals of various modulation modes are provided for each stage of 5G mobile communication chip/terminal/base station equipment, and searched during the development of each stage of 5G mobile communication chip/terminal/base station equipment It plays a very important role in analyzing and analyzing problems. It can be used in research and development, production and maintenance of communication equipment, chips, terminals, etc., digital modulation signal certification of certification bodies, design and testing of communication devices, etc.
附图说明Description of drawings
图1为5G移动通信数字调制信号发生装置的系统原理图。Figure 1 is a system schematic diagram of a 5G mobile communication digital modulation signal generator.
图2为本发明的成形滤波器的冲激响应图。Fig. 2 is an impulse response diagram of the shaping filter of the present invention.
图3为本发明的成形滤波器的幅频响应图。Fig. 3 is a diagram of the amplitude-frequency response of the shaping filter of the present invention.
图4为本发明产生5G调制信号的频谱图。Fig. 4 is a spectrum diagram of the 5G modulated signal generated by the present invention.
具体实施方式Detailed ways
结合附图1至4对本发明的具体实施方式做进一步说明:The specific embodiment of the present invention is further described in conjunction with accompanying drawing 1 to 4:
本发明涉及5G移动通信数字调制信号发生测试装置，为5G芯片/终端/网络设备研发中提供新型矢量调制源，利用多路基带信号合成技术降低5G移动通信数字调制信号发生的复杂性，并结合成形滤波消除多路之间信号干扰问题，产生一种信号带宽可控、幅度可控、频率可自由选择的5G移动通信数字调制信号，具体地说涉及一种多路基带信号合成和成形滤波联合技术实现一种5G移动通信数字调制信号发生方法和装置。The invention relates to a 5G mobile communication digital modulation signal generation test device, which provides a new type of vector modulation source for the research and development of 5G chips/terminals/network equipment, uses multi-channel baseband signal synthesis technology to reduce the complexity of 5G mobile communication digital modulation signal generation, and combines Shaping filtering eliminates the problem of signal interference between multiple channels, and generates a 5G mobile communication digital modulation signal with controllable signal bandwidth, controllable amplitude, and freely selectable frequency. Specifically, it involves a combination of multi-channel baseband signal synthesis and shaping filtering. The technology realizes a method and device for generating a 5G mobile communication digital modulation signal.
5G移动通信数字调制信号发生装置，包括多组数据bit流通道，用于处理多组数据bit流；合路单元，用于将多路信号在时域合成，形成一路IQ信号；IQ调制单元，用于将IQ信号调制到射频；变频单元，用于将频率点不同的多组射频信号变频产生各种频率的5G信号；功率控制单元，用于根据用户需求自行设置输出信号的功率大小；多组数据bit流经合路单元汇合，经过依次连通的IQ调制单元、变频单元、功率控制单元处理后输出。The 5G mobile communication digital modulation signal generating device includes multiple sets of data bit stream channels for processing multiple sets of data bit streams; the combining unit is used for synthesizing multiple signals in the time domain to form an IQ signal; the IQ modulation unit, It is used to modulate the IQ signal to the radio frequency; the frequency conversion unit is used to convert multiple groups of radio frequency signals with different frequency points to generate 5G signals of various frequencies; the power control unit is used to set the power of the output signal according to user needs; The bit streams of the group data are merged by the combiner unit, processed by the sequentially connected IQ modulation unit, frequency conversion unit, and power control unit, and then output.
数据bit流通道包括依次连通的数据发生单元，用于产生频率点不同的数据bit流；CRC编码单元用于将数据bit流分割，再增加CRC校验标识，形成CRC编码后的bit流；信道编码单元，用于根据业务需求进行配置形成信道bit流，对于高速率业务，采用多元低密度奇偶校验码、极化码或Turbo码信道编码方式，对于低速率小包业务，将采用极化码或卷积码信道编码方式；数字调制单元，用于进行QAM、PSK或FSK数字调制影射，形成调制数据流；资源影射单元，用于根据实际需求将调制数据流影射到频域，形成频域数据；IFFT单元，用于将频域数据形成时域信号；增加CP单元，用于降低子载波间的符号间干扰；成形滤波单元，一方面用于降低该数据信号本身符号间干扰，另一方面用于防止与其他信号合成时相互干扰；插值滤波单元，用于调整各路信号的数据长度。The data bit stream channel includes sequentially connected data generation units for generating data bit streams with different frequency points; the CRC encoding unit is used to divide the data bit stream, and then add the CRC check mark to form a CRC encoded bit stream; the channel The encoding unit is used to configure and form channel bit streams according to service requirements. For high-rate services, multiple low-density parity-check codes, polar codes, or Turbo code channel coding methods are used. For low-rate small-packet services, polar codes are used. Or convolutional code channel coding method; digital modulation unit, used for QAM, PSK or FSK digital modulation mapping to form a modulated data stream; resource mapping unit, used to map the modulated data stream to the frequency domain according to actual needs to form a frequency domain data; the IFFT unit is used to form the frequency domain data into a time domain signal; the CP unit is added to reduce the intersymbol interference between subcarriers; the shaping filter unit is used to reduce the intersymbol interference of the data signal itself on the one hand, and the other The aspect is used to prevent mutual interference with other signals when combined; the interpolation filter unit is used to adjust the data length of each signal.
5G移动通信数字调制信号发生装置数据产生方式和以前移动通信数据方式有所不同，以前移动通信只产生一组数据bit流，但是在5G移动通信我们将根据用户需求产生n组数据bit流(n大于1)。产生的数据流经过CRC编码，先将数据流分割，再增加CRC校验标识，形成CRC编码后的bit流；形成的bit流送给信道编码单元，信道编码根据业务需求进行配置，经过信道编码单元后形成各种信道bit流。The data generation method of the 5G mobile communication digital modulation signal generating device is different from the previous mobile communication data method. In the past, mobile communication only generated one set of data bit streams, but in 5G mobile communication, we will generate n sets of data bit streams (n Greater than 1). The generated data stream is encoded by CRC, the data stream is divided first, and then the CRC check mark is added to form a CRC-encoded bit stream; the formed bit stream is sent to the channel coding unit, and the channel coding is configured according to the business requirements. Various channel bit streams are formed after the unit.
根据上述5G移动通信数字调制信号发生装置的发生方法，所述发生方法包括如下步骤：According to the generating method of the above-mentioned 5G mobile communication digital modulation signal generating device, the generating method includes the following steps:
步骤1：多组数据bit流通道产生多路数据bit流，数据bit流经数据bit流通道处理；Step 1: Multiple sets of data bit stream channels generate multiple data bit streams, and the data bit streams are processed through the data bit stream channels;
步骤2：多组处理后的数据bit流经合路单元汇合成一路IQ信号；Step 2: Multiple groups of processed data bit streams are merged into one IQ signal through the combining unit;
步骤3：IQ信号送给IQ调制单元，信号被调制到射频；Step 3: The IQ signal is sent to the IQ modulation unit, and the signal is modulated to the radio frequency;
步骤4：IQ信号需要经过变频单元，产生各种频率的5G信号；Step 4: The IQ signal needs to pass through the frequency conversion unit to generate 5G signals of various frequencies;
步骤5：5G信号经过功率控制单元，功率控制单元根据用户需求设置输出信号的功率大小，并输出所需信号。Step 5: The 5G signal passes through the power control unit, and the power control unit sets the power of the output signal according to the user's needs, and outputs the required signal.
进一步地，所述步骤1中数据bit流经数据bit流通道处理包括如下步骤：Further, in the step 1, the data bit flow through the data bit flow channel processing includes the following steps:
(1)数据流发生模块产生n路数据bit流，每路都支持全0、全1、01交替、PN序列、业务数据、或用户自定义数据；(1) The data stream generation module generates n data bit streams, each of which supports all 0, all 1, 01 alternate, PN sequence, business data, or user-defined data;
(2)产生的数据流经过CRC编码单元，先将数据bit流按照固定长度分割，再增加CRC校验标识，形成CRC编码后的bit流；(2) The generated data stream passes through the CRC encoding unit, first divides the data bit stream according to a fixed length, and then adds the CRC check mark to form the bit stream after CRC encoding;
(3)形成的bit流送给信道编码单元，信道编码根据业务需求进行配置，对于高速率业务，采用多元低密度奇偶校验码、极化码或Turbo码信道编码方式，对于低速率小包业务，将采用极化码或卷积码信道编码方式；(3) The formed bit stream is sent to the channel coding unit, and the channel coding is configured according to the service requirements. For high-rate services, multivariate low-density parity-check codes, polar codes or Turbo code channel coding methods are used. For low-rate small-packet services , will use polar code or convolutional code channel coding;
(4)经过信道编码单元后形成各种信道bit流，信道bit流在进行QAM(正交幅度调制)、PSK(相移键控，利用载波的频率变化来传递数字信息)或FSK(频率偏移调变，利用基带数字信号离散取值特点去键控载波频率以传递信息的一种数字调制技术)数字调制影射，形成调制数据流，数据位宽和IQ调制单元的IQ输入位宽一致，一般采用16位；(4) Various channel bit streams are formed after passing through the channel coding unit. The channel bit stream is performing QAM (Quadrature Amplitude Modulation), PSK (Phase Shift Keying, using the frequency change of the carrier to transmit digital information) or FSK (Frequency Offset Modulation modulation, a digital modulation technology that uses the discrete value characteristics of the baseband digital signal to key the carrier frequency to transmit information) digital modulation mapping to form a modulated data stream, the data bit width is consistent with the IQ input bit width of the IQ modulation unit, 16 bits are generally used;
(5)调制数据流进入资源影射单元，根据实际需求将调制数据流影射到频域，形成频域数据；(5) The modulated data stream enters the resource mapping unit, and the modulated data stream is mapped to the frequency domain according to actual needs to form frequency domain data;
(6)频域数据再通过IFFT单元形成时域信号，IFFT长度取决于形成资源影射单元形成的频率范围除以频率间隔，频率间隔用户可根据需求自行设置；(6) The frequency domain data is then passed through the IFFT unit to form a time domain signal. The length of the IFFT depends on the frequency range formed by the resource mapping unit divided by the frequency interval. The frequency interval can be set by the user according to the needs;
(7)时域信号通过增加CP单元，降低子载波间的符号间干扰；(7) Time-domain signals reduce inter-symbol interference between subcarriers by adding CP units;
(8)时域信号继续通过成形滤波单元，成形滤波一方面降低该数据信号本身符号间干扰，另一方面防止与其他信号合成时相互干扰；(8) The time-domain signal continues to pass through the shaping filter unit. On the one hand, the shaping filter reduces the inter-symbol interference of the data signal itself, and on the other hand, prevents mutual interference when it is combined with other signals;
(9)经过插值滤波单元后各路信号的数据长度相等。(9) After passing through the interpolation filtering unit, the data length of each signal is equal.
图2-3为采用5G移动通信数字调制信号发生装置及其发生方法得到的波形示意图。Figure 2-3 is a schematic diagram of a waveform obtained by using a 5G mobile communication digital modulation signal generating device and its generating method.
图2为成形滤波器的冲激响应图，成形滤波器在通信中用于防止符号间干扰，但是在本专利中主要目的是防止多个波形相互之间干扰。冲激响应是在单位冲激激励下引起的零状态响应。Fig. 2 is an impulse response diagram of a shaping filter. The shaping filter is used in communication to prevent intersymbol interference, but in this patent the main purpose is to prevent multiple waveforms from interfering with each other. The impulse response is the zero-state response induced by a unit impulse excitation.
图3为成形滤波器的幅频响应图，幅频响应是指信号通过系统之后的输出信号与它输入时信号的幅度比值，幅频响应图是指多种不同信号的幅度比值绘成的曲线，本图主要展示本专利对成形滤波器的幅频响应的要求，5G信号通过该滤波器可以滤出信号边带干扰，使得该子载波信号对其他子载波信号干扰更小。Figure 3 is the amplitude-frequency response graph of the shaping filter. The amplitude-frequency response refers to the amplitude ratio of the output signal after the signal passes through the system to the signal when it is input. The amplitude-frequency response graph refers to the curve drawn by the amplitude ratio of various signals. , this figure mainly shows the requirements of this patent for the amplitude-frequency response of the shaping filter. The 5G signal can filter out the signal sideband interference through the filter, so that the sub-carrier signal interferes less with other sub-carrier signals.
图4为本发明产生5G调制信号的频谱图，频谱图是指在5G调制信号的功率与频率的关系图，本图主要展示5G信号经过滤波后各路子载波信号频率和功率分布情况。Figure 4 is a spectrum diagram of the 5G modulation signal generated by the present invention. The spectrum diagram refers to the relationship between the power and frequency of the 5G modulation signal. This figure mainly shows the frequency and power distribution of each subcarrier signal after the 5G signal is filtered.
本发明为5G芯片/终端/网络设备研发中提供新型矢量调制源，利用多路基带信号合成技术降低5G移动通信数字调制信号发生的复杂性，并结合成形滤波消除多路之间信号干扰问题，产生一种信号带宽可控、幅度可控、频率可自由选择的5G移动通信数字调制信号，给5G系统研发提供技术支撑。The invention provides a new type of vector modulation source for the research and development of 5G chips/terminals/network equipment, uses multi-channel baseband signal synthesis technology to reduce the complexity of 5G mobile communication digital modulation signals, and combines shaping filtering to eliminate signal interference between multiple channels. Generate a 5G mobile communication digital modulation signal with controllable signal bandwidth, controllable amplitude, and freely selectable frequency, providing technical support for 5G system research and development.
当然，以上说明仅仅为本发明的较佳实施例，本发明并不限于列举上述实施例，应当说明的是，任何熟悉本领域的技术人员在本说明书的指导下，所做出的所有等同替代、明显变形形式，均落在本说明书的实质范围之内，理应受到本发明的保护。Of course, the above descriptions are only preferred embodiments of the present invention, and the present invention is not limited to the above-mentioned embodiments. It should be noted that all equivalent substitutions made by any person skilled in the art under the guidance of this specification , obvious deformation forms, all fall within the essential scope of this specification, and should be protected by the present invention.
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| CN201510888709.4ACN105471801B (en) | 2015-12-02 | 2015-12-02 | A kind of 5G mobile communication digital modulation signal occurrence device and its method for generation |
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| CN201510888709.4ACN105471801B (en) | 2015-12-02 | 2015-12-02 | A kind of 5G mobile communication digital modulation signal occurrence device and its method for generation |
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| CN201510888709.4AActiveCN105471801B (en) | 2015-12-02 | 2015-12-02 | A kind of 5G mobile communication digital modulation signal occurrence device and its method for generation |
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