CN106790897A - For the verification experimental verification platform of millimeter wave radio communication - Google Patents
For the verification experimental verification platform of millimeter wave radio communication Download PDFInfo
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- CN106790897A CN106790897A CN201611106094.6A CN201611106094A CN106790897A CN 106790897 A CN106790897 A CN 106790897A CN 201611106094 A CN201611106094 A CN 201611106094A CN 106790897 A CN106790897 A CN 106790897A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
Abstract
The invention discloses a kind of verification experimental verification platform for millimeter wave radio communication, it includes baseband processing unit, RF processing unit, gps clock module and power module；The baseband processing unit and the RF processing unit are connected with each other by ten thousand mbit ethernet interfaces, and the gps clock module is connected with the baseband processing unit and the RF processing unit respectively by data/address bus；The baseband processing unit is used to generate and analyze and process the baseband signal corresponding to millimeter-wave signal；The RF processing unit carries out radio frequency processing and is converted into millimeter-wave signal launching for baseband signal, and being converted into baseband signal for carrying out radio frequency processing to the millimeter-wave signal for receiving sends to the baseband processing unit；The gps clock module is used to provide reference clock signal and reference local oscillator signal to the baseband processing unit and the RF processing unit.
Description
Technical field
It is flat the present invention relates to wireless communication technology field, more particularly to a kind of verification experimental verification for millimeter wave radio communication
Platform.
Background technology
The evolution of radio communication had gone through for 4 generations, and analogue communication is occurred that earliest, can only transmitting voice service；The
Two generations (2G) based on GSM, the data service of prevailing transmission voice and low speed；The third generation (3G) includes WCDMA and TD-S etc., just
Step realizes mobile interchange net operation, has promoted the popularization of smart mobile phone；Forth generation (4G) realizes High-speed wireless access and rich
Rich multimedia application.5th generation (5G) wireless communication technology is at present in the world also in early stage development, correlation technique
There is presently no clear and definite international standard.Pre- interim, 5G will bring revolutionary leap to radio communication, and the core objective of 5G is just
It is to realize superfast data transfer, transmission rate reaches several G even 10G bit rates, so as to thoroughly solve now mobile
The rate limit of communication.In order to realize the target of very high-speed data transfer, 5G is needed using brand-new Radio Transmission Technology, due to
Frequency resource and bandwidth problem are, it is necessary to using frequency range higher, such as millimeter wave, modulation bandwidth can be crossed over from tens present M
To 500M to 3GHz, but also can include that modulating-coding and multiple access are accessed using new physical-layer techniques, so crucial for 5G
The research and checking of technology are current main tasks.
5th Generation Mobile Communication System realizes that the core technology of ultra-high data transmissions target is using millimeter wave frequency band and height
Ultra-broadband signal up to 500MHz-4GHz is modulated, considerably beyond the frequency range that 4G and WLAN technologies newest at present are used
And modulation bandwidth, propose very big challenge to current 5G researchs and product development, it is necessary to research and develop brand-new device, module,
Base band and radio frequency microwave system.Therefore, at present in the urgent need to one kind for for millimeter wave radio communication (5G terminals) research and
The verification experimental verification platform of test.
The content of the invention
In view of this, the invention provides a kind of verification experimental verification platform for millimeter wave radio communication, the verification platform
Can produce and analyze millimeter-wave signal, can realize millimeter wave frequency band (500M to 3GHz ultra-broadband signals) transmitting and connect
Receive, meet research and the product development verification experimental verification of 5G terminals.
In order to realize above-mentioned purpose, present invention employs following technical scheme：
A kind of verification experimental verification platform for millimeter wave radio communication, it include baseband processing unit, RF processing unit,
Gps clock module and the power module for providing working power；The baseband processing unit and the RF processing unit
By ten thousand mbit ethernet interfaces be connected with each other, the gps clock module by data/address bus respectively with the baseband processing unit
Connected with the RF processing unit；The baseband processing unit includes the SoC chip group and fpga chip group that are connected with each other；Institute
State baseband processing unit for generate correspond to the first baseband signal of millimeter-wave signal, the first baseband signal is sent to described
RF processing unit；The baseband processing unit is additionally operable to enter the second baseband signal received from the RF processing unit
Row analyzing and processing；The RF processing unit is used to carry out radio frequency processing to first baseband signal, is converted into millimeter wave letter
Number launch；The RF processing unit is additionally operable to carry out radio frequency processing to the millimeter-wave signal for receiving, and is converted into the second base
Band signal is sent to the baseband processing unit；The gps clock module is used for the baseband processing unit and the radio frequency
Processing unit provides reference clock signal and reference local oscillator signal.
Specifically, the SoC chip group and the fpga chip group are respectively arranged with SFP interfaces, the SoC chip group and
The fpga chip group carries out data exchange by the SFP interfaces and the RF processing unit.
Specifically, the SoC chip group includes at least two SoC chips, and each SoC chip passes through GE interfaces and institute respectively
Stating fpga chip group carries out data exchange；The fpga chip group includes at least two fpga chips, any two fpga chip
Between data exchange is carried out by number serial line interface high.
Specifically, each SoC chip and each fpga chip are connected to a DDR3 internal memories.
Specifically, the capacity of the DDR3 internal memories is 3GB.
Specifically, the SoC chip group includes two SoC chips, and the fpga chip group includes four fpga chips.
Specifically, the RF processing unit includes control and interface module, mm wave RF module and radio-frequency front-end
Module；Wherein, the control and interface module are used to control to carry out the treatment and realization of signal with the baseband processing unit
Data exchange；The mm wave RF module is used to for the first baseband signal to be converted into millimeter-wave signal, is additionally operable to receive
Millimeter-wave signal be converted into the second baseband signal；The RF front-end module is used to launch and receive millimeter-wave signal.
Specifically, the control and interface module include fpga chip, digital analog converter, analog-digital converter and USB3.0
Interface, SFP interfaces and PCIe interface.
Specifically, the mm wave RF module includes voltage controlled oscillator, frequency mixer, power amplifier, low noise amplification
Device, phase-locked loop, wave filter and radiating circuit and receiving circuit.
Specifically, the RF front-end module includes duplexer and antenna.
Verification experimental verification platform for millimeter wave radio communication provided in an embodiment of the present invention, can produce and analyze millimeter
Ripple signal, can realize, in the transmitting and reception of millimeter wave frequency band (500M to 3GHz ultra-broadband signals), meeting grinding for 5G terminals
Study carefully and product development verification experimental verification.
Brief description of the drawings
Fig. 1 is the structural frames of the verification experimental verification platform for millimeter wave radio communication in the embodiment of the present invention；
Fig. 2 is the structured flowchart of the baseband processing unit in the embodiment of the present invention；
Fig. 3 is the structured flowchart of the RF processing unit in the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to specific reality of the invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in accompanying drawing and according to
What the embodiments of the present invention of Description of Drawings were merely exemplary, and the present invention is not limited to these implementation methods.
Here, also, it should be noted that in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Structure and/or the process step closely related with scheme of the invention is shown, and is eliminated little with relation of the present invention
Other details.
Refering to Fig. 1 to Fig. 3, a kind of verification experimental verification platform for millimeter wave radio communication is present embodiments provided.This is tested
Card platform includes baseband processing unit 1, RF processing unit 2, gps clock module 3 and the power supply for providing working power
Module 4.Wherein, the baseband processing unit 1 and the RF processing unit 2 are connected with each other by ten thousand mbit ethernet interfaces 5, institute
Gps clock module 3 is stated to be connected with the baseband processing unit 1 and the RF processing unit 2 respectively by data/address bus 6.
Wherein, the baseband processing unit 1 includes the SoC chip group 11 and fpga chip group 12 that are connected with each other.The base
Tape handling unit 1 is used to generate the first baseband signal corresponding to millimeter-wave signal, the first baseband signal is sent to described and is penetrated
Frequency processing unit 2；The baseband processing unit 1 is additionally operable to the second baseband signal to being received from the RF processing unit 2
It is analyzed treatment.The RF processing unit 2 is used to carry out radio frequency processing to first baseband signal, is converted into millimeter wave
Signal is launched；The RF processing unit 2 is additionally operable to carry out radio frequency processing to the millimeter-wave signal for receiving, and is converted into second
Baseband signal is sent to the baseband processing unit 1.The gps clock module 3 is used for the baseband processing unit 1 and described
RF processing unit 2 provides reference clock signal and reference local oscillator signal.
Wherein, baseband processing unit 1 is the key modules of the data genaration and analysis for verifying millimetre-wave attenuator, it is necessary to met
The complexity and real-time demand of various algorithms, while also needing to the high-speed interface for possessing connection RF processing unit and core net
Ability.Specifically in the present embodiment, as shown in Fig. 2 the SoC chip group 11 includes two SoC chips, the fpga chip
Group 12 includes four fpga chips.The SoC chip group 11 and the fpga chip group 12 are respectively arranged with SFP interfaces, described
SoC chip group and the fpga chip group carry out data exchange by the SFP interfaces and the RF processing unit 2.It is each
SoC chip carries out data exchange by GE interfaces with the fpga chip group 12 respectively, passes through between any two fpga chip
Number serial line interface high carries out data exchange.It should be noted that in some other embodiments, it is also possible to select other quantity
SoC chip and fpga chip, but the quantity of SoC chip should at least two, and each SoC chip respectively pass through GE
Interface carries out data exchange with the fpga chip group；The quantity of fpga chip should also be as at least two, and any two
Data exchange is carried out by number serial line interface high between fpga chip.Further, as shown in Fig. 2 each SoC chip and every
One fpga chip is connected to a DDR3 internal memories.Specifically in the present embodiment, the capacity of the DDR3 internal memories is 3GB.
The framework of baseband processing unit 1 as described above, line number is entered between each process chip using ultrahigh speed serial line interface
According to exchange, veneer disposal ability reaches 4000GMAC.Baseband processing unit 1 can provide the High Speed Serial of multiple 12.5Gbps, this
A little interfaces can on demand be configured to SFP interfaces, GE interfaces (data exchange between plate, by external 10GE interchangers, Ke Yiman
The requirement of sufficient real-time data transmission, broadcast and distribution).In addition, will also provide the exchange band for being up to 480Gbps in process plate
Width, is connected with the high speed for meeting chip chamber in plate.Additionally, baseband processing unit 1 can be used for the DDR3 internal memories comprising 18GB
The storage of data and buffering.
Wherein, as shown in figure 3, the RF processing unit 2 includes control and interface module 21, mm wave RF module 22
And RF front-end module 23.Wherein, the control and interface module 21 be used to controlling to the treatment of signal and realization with it is described
Baseband processing unit 1 carries out data exchange；The mm wave RF module 22 is used to for the first baseband signal to be converted into millimeter wave
Signal, the millimeter-wave signal for being additionally operable to receive is converted into the second baseband signal；The RF front-end module 23 is used to launch
With reception millimeter-wave signal.
Specifically, it is described control and interface module 21 include fpga chip, digital analog converter DAC, analog-digital converter ADC with
And USB interface, SFP interfaces and PCIe interface.The mm wave RF module 22 include voltage controlled oscillator VCO, frequency mixer Mix,
Power amplifier PA, low-noise amplifier LNA, phase-locked loop PLL, wave filter RF filter and radiating circuit Tx and reception
Circuit Rx.The RF front-end module 23 includes duplexer DUP and antenna ANT.
Wherein, the FPGA in control and interface module 21 carries control and interface module 21 as the brain of the module
Control task, in addition the FPGA can also assist to share the function of part baseband processing unit 1.Control and interface module 21 are set
USB interface, three kinds of interfaces of SFP interfaces and PCIe interface.Wherein, SFP interfaces are to realize being carried out with the baseband processing unit 1
Data exchange；USB interface uses USB3.0 interfaces, in view of some common wireless platforms (such as USRP B210) are adopted at present
With supporting this interface in the interface of USB 3.0, therefore control and interface module 21 and accomplishing compatible with USRP B210, thus, such as
As long as fruit baseband board card has the interfaces of USB 3.0 just to can connect to the radio frequency processing list in the present invention using the PC based on GPP frameworks
Unit 2.The standard interface of the platform of the Express MIMO2 that PCIe interface is recommended as Eurecom, although people in the industry cycle is not
It is many, but as official issue hardware and many small-sized uTCA frameworks all use this interface, therefore control and interface module 21
In also integrated this interface.
Wherein, each functional module in mm wave RF module 22 can be integrated, or using discrete unit
Part is constituted.Interface between mm wave RF module 22 and control and interface module 21 is analog interface, digital-to-analogue on transmitting chain
Signal after converter DAC conversions accesses mm wave RF module 22 and is modulated, and the signal after being demodulated in receives link connects
Onto analog-digital converter ADC.
Wherein, antenna ANT can be designed according to actual needs in RF front-end module 23, general millimeter wave and Massive
If the functions such as MIMO are used together, terminal typically at least needs 4 antennas, or even needs 8 antennas, and this when, needs did
Into the aerial array of millimeter wave.
Verification experimental verification platform for millimeter wave radio communication as provided above, on the sending direction of data, channel is compiled
Code, intertexture/rate-matched, modulation and the function such as serial to parallel conversion will be realized from SoC, it is contemplated that the disposal ability of SoC, also for
Avoid chip chamber frequently data exchange, these functional modules are using SoC chip group 11 as an entirety in one block of plate
Middle realization.Collaboration precoding functional module is used as the nucleus module for sending, and the computational complexity of high level matrix is high and it is necessary to
Using floating number carry out intermediate steps computing (because must be constantly rounded and blocked in the calculating process of fixed-point number, with
Ensure that intermediate data bit wide may remain in rational scope, be rounded every time or block, can all bring certain error, this
Constantly after accumulation, meeting is increasing, causes final data to meet the demand of precision, so that result cannot at all for a little errors
Use), meanwhile, functional module requirement is calculated and fed back in real time, and SoC chip cannot in a short period of time complete the meter of module
Calculation process, therefore precoding functional module will be realized using the Floating-point Computation module in fpga chip.OFDM after precoding
Modulate and physics framing will also be realized by fpga chip, unnecessary data exchange is reduced, to reduce time delay.Number after framing
Radio frequency is sent to according to the SFP interfaces (can be using the CPRI agreements or other high speed serialization agreements of standard) again by multiple standards
Processing unit, RF processing unit will complete up-sampling filtering, Synchronization Control, and (signal is sent out between to ensure each antenna of aerial array
The uniformity sent), the control of radio frequency daughter board (including frequency, gain control etc.) function.In data receiver upwards, radio frequency processing list
The major function of unit includes：The control of radio frequency daughter board, automatic growth control, Synchronization Control, Timing Synchronization, Digital Down Convert, under adopt
Sample filtering etc., the control of these functional modules is realized by the FPGA in RF processing unit.Physical layer solution frame, OFDM demodulation and letter
The functions such as road estimation will be realized in fpga chip group 12, but which part control function will be completed by SoC chip group 11, demodulation
Interleave function and channel decoding module etc. is conciliate also to be realized in fpga chip group 12.The MAC functions of terminal are responsible for data
Service convergence, partition/packing, treatment of ARQ (Automatic Repeat reQuest) and various control managing signalings etc.
Function will all be realized in the SoC chip of baseband board., it is necessary to the control of development experiments verification platform in control and service terminal
Software, as a personal-machine interface of this Prototyping Platform, completes configuration, control, the equipment state monitoring to whole Prototyping Platform
With the acquisition process of various performance datas, facilitate various test checking work.In addition, control will also be used as industry with service server
Business source server, such as video source and data source.
In sum, the verification experimental verification platform for millimeter wave radio communication provided in an embodiment of the present invention, Base-Band Processing
Unit includes using ultrahigh speed serial line interface between the SoC chip group being connected with each other and fpga chip group, and each process chip
Data exchange is carried out, it can produce and analyze millimeter-wave signal, can realized in millimeter wave frequency band (500M to 3GHz ultra wide bands
Signal) transmitting and reception, meet research and the product development verification experimental verification of 5G terminals.Also, the Base-Band Processing list built
Unit and RF processing unit have configurability and expandability, can construct multiple assessment scene, carry out flexible experimental and test
Various key technologies are demonstrate,proved, and suitable for the millimetre-wave attenuator experiment needs of future feature constantly improve.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of verification experimental verification platform for millimeter wave radio communication, it is characterised in that at baseband processing unit, radio frequency
Reason unit, gps clock module and the power module for providing working power；At the baseband processing unit and the radio frequency
Reason unit by ten thousand mbit ethernet interfaces be connected with each other, the gps clock module pass through data/address bus respectively with the base band at
Reason unit and RF processing unit connection；
The baseband processing unit includes the SoC chip group and fpga chip group that are connected with each other；The baseband processing unit is used for
Generation is sent to the RF processing unit the first baseband signal corresponding to the first baseband signal of millimeter-wave signal；It is described
Baseband processing unit is additionally operable to be analyzed treatment to the second baseband signal received from the RF processing unit；
The RF processing unit is used to carry out radio frequency processing to first baseband signal, is converted into millimeter-wave signal transmitting
Go out；The RF processing unit is additionally operable to carry out radio frequency processing to the millimeter-wave signal for receiving, and is converted into the second baseband signal
Send to the baseband processing unit；
The gps clock module be used for the baseband processing unit and the RF processing unit provide reference clock signal and
Reference local oscillator signal.
2. the verification experimental verification platform for millimeter wave radio communication according to claim 1, it is characterised in that the SoC
Chipset and the fpga chip group are respectively arranged with SFP interfaces, and the SoC chip group and the fpga chip group are by described
SFP interfaces carry out data exchange with the RF processing unit.
3. the verification experimental verification platform for millimeter wave radio communication according to claim 2, it is characterised in that the SoC
Chipset includes at least two SoC chips, and each SoC chip carries out data friendship by GE interfaces with the fpga chip group respectively
Change；The fpga chip group includes at least two fpga chips, is entered by number serial line interface high between any two fpga chip
Row data exchange.
4. the verification experimental verification platform for millimeter wave radio communication according to claim 3, it is characterised in that every SoC
Chip and each fpga chip are connected to a DDR3 internal memories.
5. the verification experimental verification platform for millimeter wave radio communication according to claim 4, it is characterised in that the DDR3
The capacity of internal memory is 3GB.
6. the verification experimental verification platform for millimeter wave radio communication according to claim 3, it is characterised in that the SoC
Chipset includes two SoC chips, and the fpga chip group includes four fpga chips.
7. according to any described verification experimental verification platforms for millimeter wave radio communication of claim 1-6, it is characterised in that institute
Stating RF processing unit includes control and interface module, mm wave RF module and RF front-end module；Wherein,
The control and interface module are used to control the treatment to signal and realization carries out data friendship with the baseband processing unit
Change；
The mm wave RF module is used to for the first baseband signal to be converted into millimeter-wave signal, is additionally operable to the millimeter that will be received
Ripple signal is converted into the second baseband signal；
The RF front-end module is used to launch and receive millimeter-wave signal.
8. the verification experimental verification platform for millimeter wave radio communication according to claim 7, it is characterised in that the control
Include fpga chip, digital analog converter, analog-digital converter and USB3.0 interfaces, SFP interfaces and PCIe interface with interface module.
9. the verification experimental verification platform for millimeter wave radio communication according to claim 7, it is characterised in that the millimeter
Ripple radio-frequency module includes voltage controlled oscillator, frequency mixer, power amplifier, low-noise amplifier, phase-locked loop, wave filter and hair
Transmit-receive radio road and receiving circuit.
10. the verification experimental verification platform for millimeter wave radio communication according to claim 7, it is characterised in that described to penetrate
Frequency front-end module includes duplexer and antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611106094.6A CN106790897A (en) | 2016-12-06 | 2016-12-06 | For the verification experimental verification platform of millimeter wave radio communication |
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| CN201611106094.6A CN106790897A (en) | 2016-12-06 | 2016-12-06 | For the verification experimental verification platform of millimeter wave radio communication |
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| CN110149272A (en) * | 2019-04-30 | 2019-08-20 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The method of double net fusion IPization transmission process measurement and control signals |
| CN110505012A (en) * | 2019-09-27 | 2019-11-26 | 唐彦 | A kind of the bottleneck judgment method and device of wavelength-division system |
| CN110620599A (en) * | 2019-06-27 | 2019-12-27 | 上海航天电子有限公司 | Microminiature unmanned aerial vehicle data link terminal equipment |
| CN111082861A (en) * | 2019-12-02 | 2020-04-28 | 广东省电信规划设计院有限公司 | Millimeter wave communication test system |
| CN113326227A (en) * | 2021-08-03 | 2021-08-31 | 上海国微思尔芯技术股份有限公司 | Link multiplexing method, system and prototype verification method |
| CN113442938A (en) * | 2021-08-31 | 2021-09-28 | 国汽智控(北京)科技有限公司 | Vehicle-mounted computing system, electronic equipment and vehicle |
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| CN110149272A (en) * | 2019-04-30 | 2019-08-20 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The method of double net fusion IPization transmission process measurement and control signals |
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| CN113442938A (en) * | 2021-08-31 | 2021-09-28 | 国汽智控(北京)科技有限公司 | Vehicle-mounted computing system, electronic equipment and vehicle |
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Application publication date: 20170531 |