CN109302191A - A kind of multiport 5G communication signal emitting platform and method - Google Patents
A kind of multiport 5G communication signal emitting platform and method Download PDFInfo
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- CN109302191A CN109302191A CN201711319615.0A CN201711319615A CN109302191A CN 109302191 A CN109302191 A CN 109302191A CN 201711319615 A CN201711319615 A CN 201711319615A CN 109302191 A CN109302191 A CN 109302191A
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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
- H04B1/02—Transmitters
- H04B1/04—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
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- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
The invention discloses a kind of multiport 5G communication signal emitting platform and methods, the platform includes synchronization module, built-in industrial control machine module, signal source module, 64x64 switch matrix module, PC module, the output end of the built-in industrial control machine module respectively with the input terminal of synchronization module, the input terminal of signal source module connects, the output end of the synchronization module and the input terminal of signal source module connect, the output end of the signal source module is connect with the input terminal of 64x64 switch matrix module, the output end of the PC module is connected by the input terminal of USB3.0 and built-in industrial control machine, the PC module also passes through serial ports and connect with 64x64 switch matrix module.The real-time generation of multichannel base band data is realized using standalone module control technology；Guarantee that different Tx output signals are mutually orthogonal by quadrature base band synthetic technology, to efficiently solve different channel signal interference problems；Using protection band interpolation technique effective solution intersymbol interference problem.
Description
Technical field
The present invention relates to the communications field 5G more particularly to a kind of multiport 5G communication signal emitting platform and methods.
Background technique
5G is the 5th generation mobile phone mobile communication standard, also referred to as the 5th third-generation mobile communication technology, be one end to end
The ecosystem, 5G mainly include three aspects: ecology, client and business model, and 5G technology compares target 4G technology, and peak rate will
Increase decades of times, be increased to tens Gb/s from the 100Mb/s of 4G, it delivers uniform service experience, by existing and
The business model of new use-case and sustainable development is client and affiliate creates value, and 5G will also realize telecommunications also not
The software and hardware separation having, and the concept of cloud used by IT data center and virtualization is introduced, 5G is communicated present
Increasingly important role is occupied in life.
Following wireless network is the harmonious fusion of multiple network based on 5G, rather than is substituted, existing communication system
Become mainstream at last including 2G/3G/4G, 5G, how 5G signal transmitting verification platform is provided and relevant verification method is used for
The test of 5G receiver and antenna is industry urgent problem.
Therefore, there are also to be developed for the prior art.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of multiport 5G signal of communication hairs
Penetrate platform and method, it is intended to be embodied as 5G communication multi-port antenna and verification platform is provided, provide test hand for the development of 5G technology
Section.
In order to achieve the above object, this invention takes following technical schemes:
A kind of multiport 5G communication signal emitting platform, the platform include synchronization module, built-in industrial control machine module, letter
Number source module, 64x64 switch matrix module, PC module, the output end of the built-in industrial control machine module pass through pci interface respectively
It is connect with the input terminal of the input terminal of synchronization module, signal source module, the output end of the synchronization module and signal source module
Input terminal connection, the output end of the signal source module are connect with the input terminal of 64x64 switch matrix module, the PC module
Output end is connected by the input terminal of USB3.0 and built-in industrial control machine, and the PC module also passes through serial ports and 64x64 cubicle switchboard
Array module connection.
Further, the synchronization module, including synchronisation source output and input interface, and the synchronization module is used for different moulds
The clock of block is synchronous, the cascade between parallel output and more covering devices.
Further, the signal source mould group, including Tx1-Tx64 signal generate channel, and the channel includes:
Bitstream data processing unit is adjudicated for initial data, judges that the data of industrial personal computer distribution have inerrancy；
Coding unit, for adding tail biting bit convolution, Turbo coding, interweaving encoding processing；
Odd even separative unit is used for I/Q data separating；
Resource mapping unit is mapped to different frequency domain positions for I/Q；
Time-frequency conversion unit, for frequency domain data to be transformed into time domain；
Interpolation protection location, for controlling intersymbol interference；
Variable-frequency filtering unit, for baseband signal to be become frequency needed for channel.
To achieve the goal, the present invention additionally uses following technical solution:
A kind of multiport 5G communication signal emitting method, includes the following steps:
Step S1: choosing the interface PC, configures frequency, amplitude, initial data Source Type, data length and modulation system,
And built-in industrial control machine is transmitted to by USB3.0；
Step S2: built-in industrial control machine is classified according to modulation system, according to different modulation systems, by corresponding letter
Breath is transferred to Txn, the natural number that the n is 1 to 64；
Step S3:Txn is proofreaded, to wrong data according to the data type of classification in bitstream data processing unit
Error correction；
Step S4: the data exported after bitstream data processing unit error correction add tail biting bit convolution by CRC24B
Code, using Turbo coding, interweaving encoding processing；
Step S5: the data that step S4 is obtained carry out I/Q separation, and odd number road is I circuit-switched data, and even number road is Q number
According to；
Step S6: the OFDM that the data after separation enter in time-frequency conversion unit is modulated, and is inserted into the protection of response
Interval, for eliminating intersymbol interference；
Step S7: step S6 modulated data enter wideband modulator and generate baseband signal, and baseband signal enters frequency conversion
Filter unit generates analog signal；
Step S8:PC module controls 64x64 switch matrix by serial ports, makes signal with the side such as SISO, MISO or SIMO
Formula output.
Further, the initial data source data type in the step S1 is that PN15, PN23 and user are customized
Data.
Further, the modulation system in the step S1 is 64QAM, 128QAM or 256QAM.
Further, so the modulation depth that the OFDM in step S6 is modulated is selected according to subcarrier bandwidth.
Further, the selection of OFDM modulation depth uses 16384 Fourier transformations in the time-frequency conversion unit.
The present invention compared with prior art the utility model has the advantages that the present invention using standalone module control technology realize multichannel base
Real-time generation with data；Guarantee that different Tx output signals are mutually orthogonal by quadrature base band synthetic technology, to effectively solve
Never with channel signal interference problem；Using protection band interpolation technique effective solution intersymbol interference problem.The present invention is 5G
Communication multi-port antenna provides verification platform, provides effective guarantee for the development of 5G technology.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multiport 5G communication signal emitting platform provided in an embodiment of the present invention；
Fig. 2 is the flow chart of multiport 5G communication signal emitting method provided in an embodiment of the present invention；
Fig. 3 is the star of the 64QAM modulation of multiport 5G communication signal emitting platform provided in an embodiment of the present invention and method
Seat figure.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.
It is only relative concept each other it should also be noted that, the positional terms such as left and right, upper and lower in the embodiment of the present invention
It or is to refer to, and should not be regarded as restrictive with the normal operating condition of product.
As shown in Figure 1, be a kind of multiport 5G communication signal emitting platform of the specific embodiment of the invention,
A kind of multiport 5G communication signal emitting platform, the platform include synchronization module 1, built-in industrial control machine module 2,
Signal source module 3,64x64 switch matrix module 4, PC module 5, the output end of the built-in industrial control machine module 2 pass through respectively
Pci interface is connect with the input terminal of the input terminal of synchronization module 1, signal source module 3, the output end and letter of the synchronization module 1
The input terminal connection of number source module 3, the output end of the signal source module 3 and the input terminal of 64x64 switch matrix module 4 connect
It connects, the output end of the PC module 5 is connect by USB3.0 with the input terminal of built-in industrial control machine 2, and the PC module 5 also passes through
Serial ports is connect with 64x64 switch matrix module 4.The synchronization module 1, the clock for disparate modules is synchronous, parallel output, with
And the cascade between more covering devices, to meet the measurement demand of 128 antennas, 256 antennas or higher the antenna output of 5G；It is described embedding
Enter formula industrial personal computer module 2, for realizing synchronization module, the control of Tx module by pci interface and distributing original according to QAM mode
Beginning bitstream data is to different Tx, and 000000 is transferred to Tx1 in 64QAM, and 000001 is transferred to Tx2 ... 111111 pass
It is defeated to arrive Tx64；The signal source module 3, for generating the base band data of different antennae port, different Tx generate mutually orthogonal
Base band data；Told 64x64 switch matrix module 4 can be controlled for controlling the output type of signal output channels by switch
The signals output type such as SISO, MISO, SIMO processed；The PC module 5, be used for interface display and control, by USB3.0 with it is embedding
Enter formula industrial personal computer to be connected for instructing transmission, be connected with switch matrix for switch control by serial ports.
Specifically, the synchronization module 1, including synchronisation source output and input interface, the synchronization module is used for different moulds
The clock of block is synchronous, the cascade between parallel output and more covering devices.The synchronous triggering interface of the synchronization module is 10ms
Input/output interface is to support that 5ms, 10ms are synchronous as the source of reception based on obtained by 10MHz crystal oscillator locking phase as synchronisation source
Input.
Specifically, the signal source mould group 3, including Tx1-Tx64 signal generate channel, the channel includes:
Bitstream data processing unit is adjudicated for initial data, judges that the data of industrial personal computer distribution have inerrancy；
Coding unit, for adding tail biting bit convolution, Turbo coding, interweaving encoding processing；
Odd even separative unit is used for I/Q data separating；
Resource mapping unit is mapped to different frequency domain positions for I/Q；
Time-frequency conversion unit, for frequency domain data to be transformed into time domain；
Interpolation protection location, for controlling intersymbol interference；
Variable-frequency filtering unit, for baseband signal to be become frequency needed for channel.
As shown in Fig. 2, the present invention additionally uses following technical solution to achieve the goal:
A kind of multiport 5G communication signal emitting method, includes the following steps:
Step S1: choosing the interface PC, configures frequency, amplitude, initial data Source Type, data length and modulation system,
And built-in industrial control machine is transmitted to by USB3.0；
Step S2: built-in industrial control machine is classified according to modulation system, according to different modulation systems, by corresponding letter
Breath is transferred to Txn, the natural number that the n is 1 to 64, if setting modulation system is 64QAM, 000000 is transferred to
Tx1,000001 is transferred to Tx2 ... 111111 are transferred to Tx64, if setting modulation system is 128QAM,
0000000 is transferred to Tx1, and 0000001 is transferred to Tx2 ... 1111111 are transferred to Tx64, if modulation system is
256AM, then 00000000 is transferred to Tx1,00000001 is transferred to Tx2 ... 11111111 are transferred to Tx64；
Step S3:Txn is proofreaded, to wrong data according to the data type of classification in bitstream data processing unit
Error correction；
Step S4: the data exported after bitstream data processing unit error correction add tail biting bit convolution by CRC24B
Code, using Turbo coding, interweaving encoding processing；
Step S5: the data that step S4 is obtained carry out I/Q separation, and odd number road is I circuit-switched data, and even number road is Q number
According to；
Step S6: the OFDM that the data after separation enter in time-frequency conversion unit is modulated, and is inserted into the protection of response
Interval, for eliminating intersymbol interference；
Step S7: step S6 modulated data enter wideband modulator and generate baseband signal, and baseband signal enters frequency conversion
Filter unit generates analog signal；
Step S8:PC module controls 64x64 switch matrix by serial ports, makes signal with the side such as SISO, MISO or SIMO
Formula output.
Specifically, the initial data source data type in the step S1 is PN15, PN23 and the customized number of user
According to.
Specifically, the modulation system in the step S1 is 64QAM, 128QAM or 256QAM.Use above-mentioned modulation system
Purpose be orthogonality in order to guarantee modulation data, reach and reduce interfering with each other between different channels.
Specifically, so the modulation depth that the OFDM in step S6 is modulated is selected according to subcarrier bandwidth.
The selection of OFDM modulation depth uses 16384 Fourier transformations in the time-frequency conversion unit.It can guarantee channel
It is even broader that bandwidth reaches 100MHz.
The present invention realizes the real-time generation of multichannel base band data using standalone module control technology；It is closed by quadrature base band
Guarantee that different Tx output signals are mutually orthogonal at technology, to efficiently solve different channel signal interference problems；Using protection
With interpolation technique effective solution intersymbol interference problem.The present invention communicates multi-port antenna for 5G and provides verification platform, is
The development of 5G technology provides effective guarantee.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of multiport 5G communication signal emitting platform, it is characterised in that: the platform includes synchronization module, embedded industry control
Machine module, signal source module, 64x64 switch matrix module, PC module, the output end of the built-in industrial control machine module lead to respectively
Cross the input terminal connection of the input terminal, signal source module of pci interface and synchronization module, the output end and signal of the synchronization module
The input terminal of source module connects, and the output end of the signal source module is connect with the input terminal of 64x64 switch matrix module, described
The output end of PC module is connected by the input terminal of USB3.0 and built-in industrial control machine, the PC module also pass through serial ports with
The connection of 64x64 switch matrix module.
2. multiport 5G communication signal emitting platform according to claim 1, it is characterised in that: the synchronization module, packet
It includes synchronisation source and outputs and inputs interface, the synchronization module is for the clock synchronization of disparate modules, parallel output, and more suits
Cascade between setting.
3. multiport 5G communication signal emitting platform according to claim 1, it is characterised in that: the signal source mould group,
Channel is generated including Tx1-Tx64 signal, the channel includes:
Bitstream data processing unit is adjudicated for initial data, judges that the data of industrial personal computer distribution have inerrancy；
Coding unit, for adding tail biting bit convolution, Turbo coding, interweaving encoding processing；
Odd even separative unit is used for I/Q data separating；
Resource mapping unit is mapped to different frequency domain positions for I/Q；
Time-frequency conversion unit, for frequency domain data to be transformed into time domain；
Interpolation protection location, for controlling intersymbol interference；
Variable-frequency filtering unit, for baseband signal to be become frequency needed for channel.
4. a kind of multiport 5G communication signal emitting method, which comprises the steps of:
Step S1: the interface PC, configuration frequency, amplitude, initial data Source Type, data length and modulation system are chosen, and is led to
It crosses USB3.0 and is transmitted to built-in industrial control machine；
Step S2: built-in industrial control machine is classified according to modulation system, and according to different modulation systems, corresponding information is passed
It is defeated to arrive Txn, the natural number that the n is 1 to 64；
Step S3:Txn is proofreaded, to wrong data error correction according to the data type of classification in bitstream data processing unit；
Step S4: the data exported after bitstream data processing unit error correction add tail biting bit convolution code by CRC24B, then
By Turbo coding, interweaving encoding processing；
Step S5: the data that step S4 is obtained carry out I/Q separation, and odd number road is I circuit-switched data, and even number road is Q circuit-switched data；
Step S6: the OFDM that the data after separation enter in time-frequency conversion unit is modulated, and is inserted into the protection interval of response,
For eliminating intersymbol interference；
Step S7: step S6 modulated data enter wideband modulator and generate baseband signal, and baseband signal enters variable-frequency filtering
Unit generates analog signal；
Step S8:PC module controls 64x64 switch matrix by serial ports, keeps signal defeated in a manner of SISO, MISO or SIMO etc.
Out.
5. multiport 5G communication signal emitting method according to claim 4, it is characterised in that: the original in the step S1
Beginning data source data type is PN15, PN23 and custom data.
6. multiport 5G communication signal emitting method according to claim 4, it is characterised in that: the tune in the step S1
Mode processed is 64QAM, 128QAM or 256QAM.
7. multiport 5G communication signal emitting method according to claim 4, it is characterised in that: so in step S6
The modulation depth that OFDM is modulated is selected according to subcarrier bandwidth.
8. multiport 5G communication signal emitting method according to claim 7, it is characterised in that: the time-frequency conversion unit
Middle OFDM modulation depth selection uses 16384 Fourier transformations.
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