CN109257117A - A kind of common public radio interface test method and system - Google Patents
A kind of common public radio interface test method and system Download PDFInfo
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- CN109257117A CN109257117A CN201811124477.5A CN201811124477A CN109257117A CN 109257117 A CN109257117 A CN 109257117A CN 201811124477 A CN201811124477 A CN 201811124477A CN 109257117 A CN109257117 A CN 109257117A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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Abstract
The embodiment of the present application discloses a kind of common public radio interface test method and system, and by the cooperation of CPRI transmitting terminal and the receiving end CPRI, the data to be tested to difference to brake are tested.CPRI transmitting terminal treats the corresponding data to be tested of brake and carries out the encapsulation of CPRI frame structure, obtains the first encapsulation of data frame；CPRI transmitting terminal carries out coding to the first encapsulation of data frame and parallel-serial conversion obtains coded data, and sends the coded data to the receiving end CPRI；The receiving end CPRI is by obtaining the second encapsulation of data frame to coded data progress serioparallel exchange and decoding；The receiving end CPRI is decapsulated to obtain data to be compared to the second encapsulation of data frame；By comparing the data to be tested and the data to be compared to realize to the verifying to brake.The versatility of above-mentioned test mode is relatively good, configuration is flexible, easy to use, can be realized the automatic test of the various rates of CPRI interface.
Description
Technical field
This application involves data processing fields, more particularly to a kind of common public radio interface test method and system.
Background technique
Common public radio interface (Common Public Radio Interface, CPRI) specification is by industry cooperation
Specification that more companies publish, about mobile communication wireless inside of base station key interface.The purpose of the standard is to create
The opening market towards cellular base station is built, to significantly reduce Pang associated with base station design always for a long time
Big development amount and expensive cost.It can not only enable base station manufacturer that energy is concentrated on core by CPRI specification
In the research and development of technical capability, and it can be used in the equipment of different vendor's manufacture, while product is invested by city with the shorter time
?.Meanwhile operator can also benefit from more extensive product selection, more flexible solution and network deployment efficiency
It further increases.
Before putting out a new product based on CPRI specification, need to complete the survey of new product basic function by test platform
Examination, but test platform is mostly different vendor's designed, designed at present, this kind of test platform be all often decentralized, unification and
It establishes one's own system, does not form unified test mode.
Therefore, the system design based on CPRI needs a general test platform, being capable of more intelligent, faster completion
Basic function testing, product faster, is preferably introduced to the market.
Summary of the invention
In order to solve the above-mentioned technical problem, this application provides a kind of common public radio interface test method and system,
Versatility is relatively good, configuration is flexible, easy to use.
The embodiment of the present application discloses following technical solution:
In a first aspect, the embodiment of the present application provides a kind of common public radio interface test method, which comprises
Common public radio interface CPRI transmitting terminal treats the corresponding data to be tested of brake and carries out CPRI frame structure envelope
Dress, obtains the first encapsulation of data frame；
The CPRI transmitting terminal carries out coding to the first encapsulation of data frame and parallel-serial conversion obtains coded data, and to
The receiving end CPRI sends the coded data；
The receiving end CPRI is by obtaining the second encapsulation of data frame to coded data progress serioparallel exchange and decoding；
The receiving end CPRI is decapsulated to obtain data to be compared to the second encapsulation of data frame；
By comparing the data to be tested and the data to be compared to realize to the verifying to brake.
Optionally, the first encapsulation of data frame carries transmission code, the method also includes:
The receiving end CPRI transmission code according to entrained by the second encapsulation of data frame determines whether frame synchronization；
The receiving end CPRI is decapsulated to obtain according to the synchronized result of frame synchronization to the second encapsulation of data frame
Data to be compared.
Optionally, the receiving end CPRI transmission code according to entrained by the second encapsulation of data frame determines whether that frame is same
Step, comprising:
The receiving end CPRI transmission code according to entrained by the second encapsulation of data frame of preset quantity determines whether
Frame synchronization.
Optionally, the data to be tested carry sequence of message number, it is described by compare the data to be tested and
The data to be compared are to realize to before the verifying to brake, comprising:
The receiving end CPRI the corresponding number to be tested is determined by the sequence of message number of the data to be compared
According to.
Optionally, the data to be tested include any one group or a variety of of combination in a variety of data rates.
Optionally, the data to be tested include control management data, I/Q data and synchrodata.
Second aspect, the embodiment of the present application provide a kind of common public radio interface test macro, the system comprises
Common public radio interface CPRI sends end unit and CPRI receiving terminal unit:
The CPRI sends end unit, carries out the encapsulation of CPRI frame structure for treating the corresponding data to be tested of brake,
Obtain the first encapsulation of data frame；
The CPRI sends end unit, is also used to carry out the first encapsulation of data frame coding and parallel-serial conversion is compiled
Code data, and the coded data is sent to CPRI receiving terminal unit；
The CPRI receiving terminal unit, for by obtaining the second envelope to coded data progress serioparallel exchange and decoding
Fill data frame；
The CPRI receiving terminal unit is also used to be decapsulated to obtain number to be compared to the second encapsulation of data frame
According to；
By comparing the data to be tested and the data to be compared to realize to the verifying to brake.
Optionally, the first encapsulation of data frame carries transmission code, and the CPRI receiving terminal unit is also used to according to institute
It states transmission code entrained by the second encapsulation of data frame and determines whether frame synchronization；
The CPRI receiving terminal unit is also used to carry out the second encapsulation of data frame according to the synchronized result of frame synchronization
Decapsulation obtains data to be compared.
Optionally, the CPRI receiving terminal unit is also used to according to entrained by the second encapsulation of data frame of preset quantity
Transmission code determine whether frame synchronization.
Optionally, the data to be tested carry sequence of message number, and the CPRI receiving terminal unit is also used to pass through institute
The sequence of message number for stating data to be compared determines the corresponding data to be tested.
By the cooperation of CPRI transmitting terminal and the receiving end CPRI it can be seen from above-mentioned technical proposal, can to difference to
The data to be tested of brake are tested, wherein CPRI transmitting terminal treats the corresponding data to be tested of brake and carries out CPRI
Frame structure encapsulation, obtains the first encapsulation of data frame；The CPRI transmitting terminal to the first encapsulation of data frame carry out coding and simultaneously
String is converted to coded data, and sends the coded data to the receiving end CPRI；The receiving end CPRI passes through to the volume
Code data carry out serioparallel exchange and decoding obtains the second encapsulation of data frame；The receiving end CPRI is to the second encapsulation of data frame
It is decapsulated to obtain data to be compared；By comparing the data to be tested and the data to be compared with realize to it is described to
The verifying of brake.The versatility of above-mentioned test mode is relatively good, configuration is flexible, easy to use, and it is each to can be realized CPRI interface
The automatic test of kind rate is realized without paying close attention to specific CPRI test platform, improves testing efficiency.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of method flow diagram of common public radio interface test method provided by the embodiments of the present application；
Fig. 2 is a kind of system construction drawing of common public radio interface test macro provided by the embodiments of the present application.
Specific embodiment
With reference to the accompanying drawing, embodiments herein is described.
Since on the market there is no the unified test platform for being directed to CPRI modular product, existing test platform is mostly at present
Different vendor's designed, designed, do not form unified test mode.
For this purpose, the embodiment of the present application provides a kind of common public radio interface test method and system, advised based on CPRI
The product of model provides a general test platform, can be more intelligent, faster completing Basic function testing, by product
Faster, it preferably introduces to the market.
Test macro provided by the embodiment of the present application can be a kind of monitor of virtual machine test platform for CPRI
(Virtual Machine Monitor Verification Platform, VVP), includes that CPRI transmitting terminal and CPRI connect
Receiving end can test difference to the data to be tested of brake by the cooperation of CPRI transmitting terminal and the receiving end CPRI,
Wherein, CPRI transmitting terminal treats the corresponding data to be tested of brake and carries out the encapsulation of CPRI frame structure, obtains the first encapsulation of data
Frame；Wherein, the data to be tested include any one group or a variety of of combination in a variety of data rates；The CPRI transmitting terminal
Coding is carried out to the encapsulation of data frame and parallel-serial conversion obtains coded data, and sends the coded number to the receiving end CPRI
According to；The receiving end CPRI is by obtaining the second encapsulation of data frame to coded data progress serioparallel exchange and decoding；It is described
The receiving end CPRI is decapsulated to obtain data to be compared to the second encapsulation of data frame；By comparing the data to be tested
With the data to be compared to realize to the verifying to brake.The versatility of above-mentioned test mode is relatively good, configuration is clever
It is living, easy to use, it can be realized the automatic test of the various rates of CPRI interface, it is real without paying close attention to specific CPRI test platform
It is existing, improve testing efficiency.
Next test method provided by the embodiments of the present application is described with reference to the drawings, Fig. 1 is provided by the embodiments of the present application
A kind of method flow diagram of common public radio interface test method, which comprises
101: common public radio interface CPRI transmitting terminal treats the corresponding data to be tested of brake and carries out CPRI frame knot
Structure encapsulation, obtains the first encapsulation of data frame.
In one possible implementation, the data to be tested may include control management data, I/Q data and same
Step data.
According to configuration according to CPRI frame structure to control management data, I/Q data and the synchrodata as data to be tested
The encapsulation of CPRI frame structure is carried out, to obtain the first encapsulation of data frame, which can be a CPRI frame.
When packaged, control information can be placed on to the first character of frame head, then send and (first send out by order of transmission
Carry the word of control information).Referring to CPRI agreement, every 256 CPRI frames constitute a superframe, the length of every 150 superframes
For 10ms frame.
It should be noted that this step, which does not limit, can only send a first encapsulation of data frame, it can be according to test need
Sequence is asked to send multiple.
In one possible implementation, the first encapsulation of data frame can also carry the transmission code for frame synchronization.
The transmission code can be K code (K28.5), for synchronizing superframe and basic frame.K code can be transmitted by the banner word of superframe.Tool
How body determines that frame synchronization refers to the description in step 103.
In one possible implementation, the data to be tested include any one group or more in a variety of data rates
The combination of kind.
That is, the test macro of the application can support the test under different data rate.Such as support 8 kinds of data
Rate, be respectively 614.4Mbit/s, 1228.8Mbit/s, 2457.6Mbit/s, 3072.0Mbit/s, 4915.2Mbit/s,
6144.0Mbit/s, 9830.4Mbit/s and 10137.6Mbit/s.
102: the CPRI transmitting terminal carries out coding to the encapsulation of data frame and parallel-serial conversion obtains coded data, and to
The receiving end CPRI sends the coded data.
In one possible implementation, 8b/10b coding can be carried out to the first encapsulation of data frame, and process and gone here and there
Conversion is sent.
103: the receiving end CPRI is by obtaining the second encapsulation number to coded data progress serioparallel exchange and decoding
According to frame.
When the receiving end CPRI obtains the coded data after coding, conversion, serioparallel exchange can be carried out, then use step
Identical coding mode inversely decodes in 102, such as carries out 8b/10b decoding.To obtain the second encapsulation of data frame.If test
In the case that there is no problem, the first encapsulation of data frame and the second encapsulation of data frame can be identical.
In one possible implementation, if in a step 101, the first encapsulation of data frame can also be carried for frame
Synchronous transmission code.The receiving end CPRI can the transmission code according to entrained by the second encapsulation of data frame determine whether frame
It is synchronous.The receiving end CPRI according to the synchronized result of frame synchronization to the second encapsulation of data frame decapsulated to obtain to than
To data.
In one possible implementation, the receiving end CPRI is according to the second encapsulation of data frame of preset quantity
Entrained transmission code determines whether frame synchronization.
For example, being consecutively detected 256 K codes (K28.5) then thinks frame synchronization, and according to this mark synchronous superframe and base out
This frame number, wherein Hyper Frame Number range is 0-149, and basic frame number range is 0-255.
104: the receiving end CPRI is decapsulated to obtain data to be compared to the second encapsulation of data frame.
If data to be tested may include control management data, I/Q data and synchrodata, then decapsulation obtain to
Comparison data also may include control management data, I/Q data and synchrodata.
105: by comparing the data to be tested and the data to be compared to realize to the verifying to brake.
In one possible implementation, the data to be tested carry sequence of message number, pass through comparison described
The data to be tested and the data to be compared are to realize to before the verifying to brake, comprising:
The corresponding data to be tested are determined by the sequence of message number of the data to be compared.
That is, the data received are put into reception data buffer storage, and with the expection message of identical sequence of message number into
Row comparison is to realize functional verification.
It, can data to be tested to difference to brake as it can be seen that by the cooperation of CPRI transmitting terminal and the receiving end CPRI
It is tested, wherein CPRI transmitting terminal treats the corresponding data to be tested of brake and carries out the encapsulation of CPRI frame structure, obtains first
Encapsulation of data frame；The CPRI transmitting terminal carries out coding to the first encapsulation of data frame and parallel-serial conversion obtains coded data,
And the coded data is sent to the receiving end CPRI；The receiving end CPRI by the coded data carry out serioparallel exchange and
Decoding obtains the second encapsulation of data frame；The receiving end CPRI is decapsulated to obtain to be compared to the second encapsulation of data frame
Data；By comparing the data to be tested and the data to be compared to realize to the verifying to brake.Above-mentioned survey
The versatility of examination mode is relatively good, configuration is flexible, easy to use, can be realized the automatic test of the various rates of CPRI interface,
It is realized without paying close attention to specific CPRI test platform, improves testing efficiency.
The embodiment of the present application also provides a kind of common public radio interface test macros, as shown in Fig. 2, the system packet
It includes common public radio interface CPRI and sends end unit 200 and CPRI receiving terminal unit 300:
The CPRI sends end unit 200, carries out CPRI frame structure envelope for treating the corresponding data to be tested of brake
Dress, obtains the first encapsulation of data frame；
The CPRI sends end unit 200, is also used to carry out the first encapsulation of data frame coding and parallel-serial conversion obtains
The coded data is sent to coded data, and to CPRI receiving terminal unit 300；
The CPRI receiving terminal unit 300, for obtaining the by carrying out serioparallel exchange and decoding to the coded data
Two encapsulation of data frames；
The CPRI receiving terminal unit 300 is also used to be decapsulated to obtain to the second encapsulation of data frame to be compared
Data；
By comparing the data to be tested and the data to be compared to realize to the verifying to brake.
In one possible implementation, the first encapsulation of data frame carries transmission code, the receiving end CPRI
Unit is also used to the transmission code according to entrained by the second encapsulation of data frame and determines whether frame synchronization；
The CPRI receiving terminal unit is also used to carry out the second encapsulation of data frame according to the synchronized result of frame synchronization
Decapsulation obtains data to be compared.
In one possible implementation, the CPRI receiving terminal unit is also used to described second according to preset quantity
Transmission code entrained by encapsulation of data frame determines whether frame synchronization.
In one possible implementation, the data to be tested carry sequence of message number, the receiving end CPRI
Unit is also used to determine the corresponding data to be tested by the sequence of message number of the data to be compared.
As it can be seen that send the cooperation of end unit and CPRI receiving terminal unit by CPRI, can to difference to brake to
Test data is tested, wherein CPRI sends end unit and treats the corresponding data progress CPRI frame structure to be tested of brake
Encapsulation, obtains the first encapsulation of data frame；The CPRI sends end unit and carries out coding to the first encapsulation of data frame and and go here and there
It is converted to coded data, and sends the coded data to CPRI receiving terminal unit；The CPRI receiving terminal unit by pair
The coded data carries out serioparallel exchange and decoding obtains the second encapsulation of data frame；The CPRI receiving terminal unit is to described second
Encapsulation of data frame is decapsulated to obtain data to be compared；By comparing the data to be tested and the data to be compared with reality
Now to the verifying to brake.The versatility of above-mentioned test mode is relatively good, configuration is flexible, easy to use, can be realized
The automatic test of the various rates of CPRI interface is realized without paying close attention to specific CPRI test platform, improves testing efficiency.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and foregoing routine can be stored in a computer readable storage medium, which exists
When execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned can be at least one in following media
Kind: read-only memory (English: read-onlymemory, abbreviation: ROM), RAM, magnetic or disk etc. are various to can store journey
The medium of sequence code.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment it
Between same and similar part may refer to each other, each embodiment focuses on the differences from other embodiments.
For equipment and system embodiment, since it is substantially similar to the method embodiment, so describe fairly simple,
The relevent part can refer to the partial explaination of embodiments of method.Equipment and system embodiment described above is only schematic
, wherein unit may or may not be physically separated as illustrated by the separation member, it is shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.Some or all of the modules therein can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
Those of ordinary skill in the art can understand and implement without creative efforts.
The above, only a kind of specific embodiment of the application, but the protection scope of the application is not limited thereto,
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by anyone skilled in the art,
Should all it cover within the scope of protection of this application.Therefore, the protection scope of the application should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of common public radio interface test method, which is characterized in that the described method includes:
Common public radio interface CPRI transmitting terminal treats the corresponding data to be tested of brake and carries out the encapsulation of CPRI frame structure, obtains
To the first encapsulation of data frame；
The CPRI transmitting terminal carries out coding to the first encapsulation of data frame and parallel-serial conversion obtains coded data, and to CPRI
Receiving end sends the coded data；
The receiving end CPRI is by obtaining the second encapsulation of data frame to coded data progress serioparallel exchange and decoding；
The receiving end CPRI is decapsulated to obtain data to be compared to the second encapsulation of data frame；
By comparing the data to be tested and the data to be compared to realize to the verifying to brake.
2. described the method according to claim 1, wherein the first encapsulation of data frame carries transmission code
Method further include:
The receiving end CPRI transmission code according to entrained by the second encapsulation of data frame determines whether frame synchronization；
The receiving end CPRI according to the synchronized result of frame synchronization to the second encapsulation of data frame decapsulated to obtain to than
To data.
3. according to the method described in claim 2, it is characterized in that, the receiving end CPRI is according to the second encapsulation of data frame
Entrained transmission code determines whether frame synchronization, comprising:
The receiving end CPRI transmission code according to entrained by the second encapsulation of data frame of preset quantity determines whether that frame is same
Step.
4. the method according to claim 1, wherein the data to be tested carry sequence of message number, in institute
It states by comparing the data to be tested and the data to be compared to realize to before the verifying to brake, comprising:
The receiving end CPRI the corresponding data to be tested are determined by the sequence of message number of the data to be compared.
5. method according to any of claims 1-4, which is characterized in that the data to be tested include a variety of data
Any one group or a variety of of combination in rate.
6. method according to any of claims 1-4, which is characterized in that the data to be tested include control management
Data, I/Q data and synchrodata.
7. a kind of common public radio interface test macro, which is characterized in that the system comprises common public radio interfaces
CPRI sends end unit and CPRI receiving terminal unit:
The CPRI sends end unit, carries out the encapsulation of CPRI frame structure for treating the corresponding data to be tested of brake, obtains
First encapsulation of data frame；
The CPRI sends end unit, is also used to carry out the first encapsulation of data frame coding and parallel-serial conversion obtains coded number
According to, and the coded data is sent to CPRI receiving terminal unit；
The CPRI receiving terminal unit, for by obtaining the second encapsulation number to coded data progress serioparallel exchange and decoding
According to frame；
The CPRI receiving terminal unit is also used to be decapsulated to obtain data to be compared to the second encapsulation of data frame；
By comparing the data to be tested and the data to be compared to realize to the verifying to brake.
8. system according to claim 7, which is characterized in that the first encapsulation of data frame carries transmission code, described
CPRI receiving terminal unit is also used to the transmission code according to entrained by the second encapsulation of data frame and determines whether frame synchronization；
The CPRI receiving terminal unit is also used to unseal the second encapsulation of data frame according to the synchronized result of frame synchronization
Dress obtains data to be compared.
9. system according to claim 8, which is characterized in that the CPRI receiving terminal unit is also used to according to preset quantity
The second encapsulation of data frame entrained by transmission code determine whether frame synchronization.
10. system according to claim 7, which is characterized in that the data to be tested carry sequence of message number, described
CPRI receiving terminal unit is also used to determine the corresponding data to be tested by the sequence of message number of the data to be compared.
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| CN201811124477.5A CN109257117A (en) | 2018-09-26 | 2018-09-26 | A kind of common public radio interface test method and system |
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Application publication date: 20190122 |