CN108540244A - Pre emphasis factor test method, device and communication equipment - Google Patents
Pre emphasis factor test method, device and communication equipment Download PDFInfo
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- CN108540244A CN108540244A CN201810157718.XA CN201810157718A CN108540244A CN 108540244 A CN108540244 A CN 108540244A CN 201810157718 A CN201810157718 A CN 201810157718A CN 108540244 A CN108540244 A CN 108540244A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
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Abstract
A kind of pre emphasis factor test method of the application offer, device and communication equipment, the communication equipment include medium access control chip and physical chip.The method includes：Using the side in medium access control chip and physical chip as transmitting terminal, another party sends eye pattern test signal as receiving terminal, control transmitting terminal to receiving terminal；It controls transmitting terminal and high fdrequency component compensation is carried out to the eye pattern test signal of transmission using multiple and different pre emphasis factors successively；For each pre emphasis factor, eye high level of the receiving terminal according to the eye pattern for receiving the generation of eye pattern test signal is obtained；Using the corresponding pre emphasis factor of maximum eye high level of acquisition as preferred pre emphasis factor, to send signal to receiving terminal using the preferred pre emphasis factor.In this way, the energy preferable pre emphasis factor of transmission quality relatively accurately can be filtered out quickly, the reliability of signal transmission between medium access control chip and physical chip is improved.
Description
Technical field
This application involves technical field of communication equipment, in particular to a kind of pre emphasis factor test method, device and
Communication equipment.
Background technology
With the raising of communication equipment port speed, it is desirable that have between physical layer and media access control layer in communication equipment
Very high signal transmission rate.High speed serialization electric signal in communication equipment after certain transmission range, high fdrequency component
Decaying is will produce, signal transmission rate is higher, and the attenuation rate of high fdrequency component is bigger.The reduction of high fdrequency component will produce intersymbol interference
(InterSymbol Interference, abbreviation ISI), i.e., because the decaying of high fdrequency component causes the waveform of electric signal symbol abnormal
Become or broaden, the sampling identification between symbol generates interference, and then generates error code, influences data accuracy.In order to offset height
The influence of frequency component decaying, usual signal sending end can carry out preemphasis (Pre-emphasis) to high fdrequency component, believe sending
Number when increase high fdrequency component to make up the decaying in transmission process.The pre emphasis factor of transmitting terminal setting determines that high fdrequency component is mended
Repay number, excessive and too small pre emphasis factor can all be unfavorable for reduce the bit error rate.For a pair of of signal transmitting and receiving chip, need
Preferably transmitting terminal pre emphasis factor is obtained by a series of tests.In some embodiments, by transmitting terminal using different
Pre emphasis factor sends pseudo-random binary sequence PRBS patterns, and receiving terminal receives and checks that the statistics bit error rate is filtered out and will not be produced
The pre emphasis factor of raw error code.But the pre emphasis factor that not will produce the bit error rate that this mode filters out may be very
It is more, and can not determine the pre emphasis factor that wherein communication efficiency can be made optimal, lead to the pre emphasis factor reference value filtered out
Less.
Invention content
In a first aspect, the application provides a kind of pre emphasis factor test method, it is applied to include medium access control chip
And the communication equipment of physical chip, the method includes：
Using the side in the medium access control chip and the physical chip as transmitting terminal, another party is as connecing
Receiving end controls the transmitting terminal and sends eye pattern test signal to the receiving terminal；
It controls the transmitting terminal and height is carried out to the eye pattern test signal of transmission using multiple and different pre emphasis factors successively
Frequency component compensates；
For each pre emphasis factor, the eye pattern that the receiving terminal is generated according to the eye pattern test signal is received is obtained
Eye high level；
Using the corresponding pre emphasis factor of maximum eye high level of acquisition as preferred pre emphasis factor, with preferably pre- using this
It aggravates coefficient and sends signal to the receiving terminal.
Second aspect, the application provide a kind of pre emphasis factor test device, are applied to include medium access control chip
And the communication equipment of physical chip, described device include：
Control module is sent, for using the side in the medium access control chip and the physical chip as hair
Sending end, another party control the transmitting terminal and send eye pattern test signal to the receiving terminal as receiving terminal；
Coefficient adjustment module, the eye for using multiple and different pre emphasis factors successively to transmission for controlling the transmitting terminal
Figure test signal carries out high fdrequency component compensation；
Eye high level acquisition module obtains the receiving terminal according to receiving the eye for being directed to each pre emphasis factor
The eye high level for the eye pattern that figure test signal generates；
Module is chosen, for the corresponding pre emphasis factor of maximum eye high level that will obtain as preferred pre emphasis factor,
To send signal to the receiving terminal using the preferred pre emphasis factor.
The third aspect, the application provide a kind of communication equipment, including medium access control chip, physical chip, processing
Device and and machine readable storage medium, the machine readable storage medium is stored with the machine that can be executed by the processor can
It executes instruction, the processor executes the machine-executable instruction pre emphasis factor test method provided by the present application.
In terms of existing technologies, the application has the advantages that：
Pre emphasis factor test method, device and communication equipment provided by the present application, by medium access control chip and
Transmitting terminal in physical chip sends eye pattern test signal to receiving terminal, and is determined according to the high data of the eye obtained from receiving terminal
It is preferred that pre emphasis factor.In this way, the energy preferable pre emphasis factor of transmission quality relatively accurately can be filtered out quickly, improve
The reliability of signal transmission between medium access control chip and physical chip.
Description of the drawings
It, below will be to needed in the embodiment attached in order to illustrate more clearly of the technical solution of the embodiment of the present application
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic diagram of communication equipment provided by the embodiments of the present application；
Fig. 2 is the flow diagram of pre emphasis factor test method provided by the embodiments of the present application；
Fig. 3 is the schematic diagram of the eye pattern generated in the embodiment of the present application；
Fig. 4 is one of the sub-step schematic diagram of step S240 shown in Fig. 2；
Fig. 5 is two of the sub-step schematic diagram of step S240 shown in Fig. 2；
Fig. 6 is the high-level schematic functional block diagram of pre emphasis factor test device provided by the embodiments of the present application.
Icon：100- communication equipments；110- pre emphasis factor test devices；111- sends control module；112- coefficient tune
Mould preparation block；113- high level acquisition modules；114- chooses module；120- memories；130- processors；160-MAC chips；170-
PHY chip.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiments herein to providing in the accompanying drawings be not intended to limit it is claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model of the application protection
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
Fig. 1 is please referred to, is the block diagram of communication equipment 100 provided by the embodiments of the present application.The communication equipment 100
Can be Ethernet switch or router etc., the equipment for carrying out data sending processing.Communication equipment 100 generally includes to be situated between
Matter access control (Media Access Control, abbreviation MAC) chip 160 and multiple physics being electrically connected with MAC chips 160
Layer (Physical layer, abbreviation PHY) chip 170.
Normal open is arranged in printed circuit board (Printed Circuit between MAC chips 160 and these PHY chips 170
Board, abbreviation PCB) on, it is electrically connected by the circuit on PCB, to realize that signal interaction is transmitted.In order to ensure MAC chips
Signal transmission accuracy between 160 and PHY chip 170 needs to determine one preferably as a side of signal sending end
Pre emphasis factor.
Through inventor the study found that MAC chips 160 and PHY chip 170 usually all have the function of implementing eye pattern detection,
And the regulatory function with pre emphasis factor.Therefore in the present embodiment, propose that a kind of control transmitting terminal uses different pre-add automatically
Weight coefficient sends eye pattern test signal, and the eye high level of the eye pattern generated according to receiving terminal determines the side of preferred pre emphasis factor
Case is below described in detail the scheme of the present embodiment.
Referring once again to Fig. 1, in the present embodiment, communication equipment 100 can also include pre emphasis factor test device
110, processor 130 and memory 120, processor 130 and memory 120 are directly or indirectly electrically connected between each other, with
Realize the transmission or interaction of data.For example, processor 130 and memory 120 between each other can be total by one or more communication
Line or signal wire, which are realized, to be electrically connected.
Pre emphasis factor test device 110 can be stored in including at least one in the form of software or firmware (firmware)
In memory 120 or the software function mould that is solidificated in the operating system (operating system, OS) of communication equipment 100
Block.Processor 130 is used to execute the executable module stored in memory 120, such as pre emphasis factor test device 110 is wrapped
Software function module and computer program for including etc..
Wherein, memory 120 may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only
Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM),
Electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
Wherein, memory 120 is for storing program, and processor 130 executes described program after receiving and executing instruction.
Processor 130 may be a kind of IC chip, the processing capacity with signal, such as can be general procedure
Device, including central processing unit (Central Processing Unit, CPU), network processing unit (Network Processor,
NP), digital signal processor (DSP), application-specific integrated circuit (ASIC), field programmable gate array (FPGA) or other can compile
Journey logical device, discrete gate or transistor logic, discrete hardware components etc..
Processor 130 is also electrically connected with MAC chips 160 and PHY chip 170 respectively, with to MAC chips 160 and PHY cores
Piece 170 sends control instruction or obtains the data of MAC chips 160 and the transmission of PHY chip 170.
Fig. 2 is please referred to, Fig. 2 is a kind of pre emphasis factor test method applied to communication equipment 100 shown in Fig. 1, below
It will be to the method includes each steps to be described in detail.
Step S210, using the side in MAC chips 160 and PHY chip 170 as transmitting terminal, another party as receiving terminal,
It controls transmitting terminal and sends eye pattern test signal to receiving terminal.
In detail, the preferred pre emphasis factor when needing to determine to the transmission signal of PHY chip 170 for MAC chips 160
When, MAC chips 160 are used as transmitting terminal, PHY chip 170 to be used as receiving terminal.When needing to determine to MAC for PHY chip 170
When preferred pre emphasis factor when chip 160 sends signal, PHY chip 170 is used as transmitting terminal, and MAC chips 160 are i.e. as connecing
Receiving end.
In the present embodiment, for example, pre-set programs script can be executed by processor 130, such as Tool Command Language (Tool
Command Language, abbreviation TCL) script, it controls transmitting terminal and automatically sends eye pattern test signal or obtained from receiving terminal
Data.In this way, can effectively improve test speed, and save human cost.
Fig. 3 is please referred to, eye pattern test signal can be binary signal, such as including binary " 000 " to " 111 "
Signal.Receiving terminal can be superimposed the symbol in the eye pattern test signal received to form eye pattern.
Step S220, control transmitting terminal use successively multiple and different pre emphasis factors to the eye pattern test signal of transmission into
Row high fdrequency component compensates.
In an embodiment of the present embodiment, it can be pre-configured with a coefficient range, communication equipment 100 is at this
In number range the transmission that different pre emphasis factors carries out eye pattern test signal is chosen according to certain data break.
In the another embodiment of the present embodiment, it can also be pre-configured with the pre emphasis factor of multiple determinations, communicated
Equipment 100 uses the transmission of these pre emphasis factors progress eye pattern test signal successively.
Step S230 obtains receiving terminal according to the eye for receiving the generation of eye pattern test signal for each pre emphasis factor
The eye high level of figure.
In eye pattern measuring technology, eye high level indicates the size that eye pattern is opened in vertical axis, referring once again to Fig. 3, Fig. 3
Shown in height value H be the eye pattern eye high level.Eye high level can be used for characterizing the signal-to-noise ratio of signal, and eye high level is bigger, then
Signal-to-noise ratio is bigger, and the corresponding pre emphasis factor of this high level is more suitable for signal transmission.
In the present embodiment, the data record and monitoring (Datalogging and of receiving terminal can be passed through
Supervisory Control, abbreviation DSC) function, it obtains receiving terminal for each pre emphasis factor that transmitting terminal uses and generates
Eye pattern eye high level.
Step S240, using the corresponding pre emphasis factor of maximum eye high level of acquisition as the preferred preemphasis system of transmitting terminal
Number sends signal to receiving terminal.
Fig. 4 is please referred to, in an embodiment of the present embodiment, it is high that communication equipment 100 can record current maximum eye
Value and the corresponding target pre emphasis factor of the current maximum eye high level.Wherein, communication equipment 100 is obtaining first eye high level
When, this high level is first used as current maximum eye high level, the corresponding pre emphasis factor of this high level to be first used as target preemphasis
Coefficient.Then, may include sub-step S411 to sub-step S415 in step S240.
Sub-step S411 judges whether this high level is more than currently most for the corresponding eye high level of each pre emphasis factor
Big eye high level.
Communication equipment 100 when obtaining eye high level every time, by the current maximum eye high level of the eye high level of acquisition and record into
Row compares, and judges whether the eye high level obtained is more than the current maximum eye high level of record.
If this high level is more than the current maximum eye high level of record, enter sub-step S412.
If this high level enters sub-step S413 no more than the current maximum eye high level of record.
The current maximum eye high level that communication equipment 100 records is updated to the eye high level of the secondary acquisition by sub-step S412, and
The target pre emphasis factor that communication equipment 100 records is updated to the corresponding pre emphasis factor of eye high level of the secondary acquisition.
For example, if the current maximum eye high level that communication equipment 100 records is a, the corresponding pre-add of the current maximum eye high level a
Weight coefficient is A.It is b to obtain an eye high level again at this time, and communication equipment 100 judges whether eye high level b is more than current maximum eye
High level a.If this high level b is more than current maximum eye high level a, eye high level b is updated to current maximum eye high level, and by eye height
The corresponding pre emphasis factor B of value b are updated to current target pre emphasis factor.Subsequently into step S413.
Sub-step S413, judges whether transmitting terminal had used all preconfigured pre emphasis factors to carry out eye pattern survey
The transmission of trial signal.
If the transmission that all preconfigured pre emphasis factors carry out eye pattern test signal had not been used in transmitting terminal,
Enter step S414.
If transmitting terminal had used the transmission of all preconfigured pre emphasis factor progress eye pattern test signals,
Enter step S415.
Sub-step S414 chooses a new pre emphasis factor and configures transmitting terminal using new pre emphasis factor progress
Then the transmission of eye pattern test signal repeats step S411.
Sub-step S415 will after control transmitting terminal carries out the transmission of eye pattern test signal using all pre emphasis factors
Preferred pre emphasis factor of the target pre emphasis factor that communication equipment 100 records as transmitting terminal.
Based on above-mentioned design, communication equipment 100 always records the corresponding pre emphasis factor of maximum eye high level as target
Pre emphasis factor, after control transmitting terminal carries out the transmission of eye pattern test signal using all pre emphasis factors, target preemphasis
Coefficient, which can be considered as in multiple pre emphasis factors, generates the best pre emphasis factor of signal transmission effect, with the target preemphasis
Preferred pre emphasis factor of the coefficient as transmitting terminal, can make receiving terminal obtain best signal receiving quality.
Further, in the present embodiment, an eye high level threshold value can be preset, if transmitting terminal uses a certain preemphasis
When coefficient, the eye high level for the eye pattern that receiving terminal generates is less than this high level threshold value, then it represents that communication quality is too low, indicates this height
It is unavailable to be worth corresponding pre emphasis factor.
Judge whether this high level is more than before current maximum eye high level for example, being executed in sub-step S411, communication equipment
100 can detect whether this high level is more than preset eye high level threshold value.
If this high level is not more than eye high level threshold value, directly executes sub-step S414 and choose new pre emphasis factor.
If this high level is more than eye high level threshold value, then executes step S411 and detect whether this high level is more than current record
Maximum eye height refers to.
Fig. 5 is please referred to, in the another embodiment of the present embodiment, step S240 may include sub-step S511 and son
Step S512.
Sub-step S511 records the pre emphasis factor and this high level for the corresponding eye high level of each pre emphasis factor
Correspondence.
Sub-step S512, after control transmitting terminal carries out the transmission of eye pattern test signal using all pre emphasis factors,
In the eye high level of record, the corresponding pre emphasis factor of maximum eye high level is chosen as preferred pre emphasis factor.
In the present embodiment, communication equipment 100 first records the corresponding eye high level of all pre emphasis factors, is then controlling
After transmitting terminal carries out the transmission of eye pattern test signal using all pre emphasis factors, it is corresponding pre- therefrom to choose maximum eye high level
Aggravate preferred pre emphasis factor of the coefficient as transmitting terminal.
Further, in the present embodiment, communication equipment 100 can first detect the eye before executing sub-step S511
Whether high level is more than preset eye high level threshold value.
If this high level is more than eye high level threshold value, S511 is thened follow the steps, the preemphasis system is recorded in communication equipment 100
The correspondence of number and this high level.
If this high level is not more than eye high level threshold value, target pre emphasis factor pass corresponding with this high level is not recorded
System.So, it is possible to reduce recorded amounts.
To sum up, the pre emphasis factor test method provided through this embodiment can generate the eye of eye pattern by receiving terminal
High level filters out preferred pre emphasis factor in the different pre emphasis factors that transmitting terminal uses, which exists
When being used for transmitting terminal progress signal transmission, receiving terminal can obtain preferably signal quality, reduce the bit error rate.
Fig. 6 is please referred to, Fig. 6 the present embodiment also provides a kind of pre emphasis factor survey applied to communication equipment 100 shown in Fig. 1
Trial assembly sets 110, including sends control module 111, coefficient adjustment module 112, eye high level acquisition module 113 and choose module 114.
Control module 111 is sent, for using the side in medium access control chip and physical chip as transmitting terminal,
Another party sends eye pattern test signal as receiving terminal, control transmitting terminal to receiving terminal.
It in the present embodiment, sends control module 111 and can be used for executing step S210 shown in Fig. 2, mould is controlled about sending
The specific descriptions of block 111 can join the description to step S210.
Coefficient adjustment module 112, the eye for using multiple and different pre emphasis factors successively to transmission for controlling transmitting terminal
Figure test signal carries out high fdrequency component compensation；
In the present embodiment, coefficient adjustment module 112 can be used for executing step S220 shown in Fig. 2, about coefficient adjustment mould
The specific descriptions of block 112 can join the description to step S220.
Eye high level acquisition module 113 obtains receiving terminal and is tested according to eye pattern is received for being directed to each pre emphasis factor
The eye high level for the eye pattern that signal generates；
In the present embodiment, eye high level acquisition module 113 can be used for executing step S230 shown in Fig. 2, be obtained about eye high level
The specific descriptions of modulus block 113 can join the description to step S230.
Module 114 is chosen, the corresponding pre emphasis factor of maximum eye high level for that will obtain is as preferred preemphasis system
Number, to send signal to receiving terminal using the preferred pre emphasis factor.
In the present embodiment, chooses module 114 and can be used for executing step S240 shown in Fig. 2, about the tool for choosing module 114
Body description can join the description to step S240.
Optionally, in an embodiment of the present embodiment, the record of communication equipment 100 has current maximum eye high level and should
The currently corresponding target pre emphasis factor of maximum eye high level.
It chooses module 114 to be additionally operable to be directed to the corresponding eye high level of each pre emphasis factor, judges whether this high level is more than
Current maximum eye high level；When this high level is more than current maximum eye high level, the current maximum eye that communication equipment 100 is recorded is high
Value is updated to this high level, and the target pre emphasis factor that communication equipment 100 records is updated to the corresponding pre-add of this high level
Weight coefficient；And after control transmitting terminal carries out the transmission of eye pattern test signal using all pre emphasis factors, by communication equipment 100
The target pre emphasis factor of record is as preferred pre emphasis factor.
Optionally, in the present embodiment, it chooses module 114 and is judging whether this high level is more than current maximum eye high level
Before, detect whether this high level is more than preset eye high level threshold value.If this high level is more than eye high level threshold value, the eye is detected
Whether high level is more than the maximum eye high level of current record.
Optionally, in the another embodiment of the present embodiment, module 114 is chosen for each pre emphasis factor pair
The eye high level answered, records the correspondence of the pre emphasis factor and this high level.
After control transmitting terminal carries out the transmission of eye pattern test signal using all pre emphasis factors, in the eye high level of record
In, the corresponding pre emphasis factor of maximum eye high level is chosen as preferred pre emphasis factor.
Optionally, in the present embodiment, it chooses module 114 and is recording pre emphasis factor pass corresponding with this high level
When being, detect whether this high level is more than preset eye high level threshold value；If this high level is more than eye high level threshold value, set in communication
The correspondence of the pre emphasis factor and this high level is recorded in standby 100；If this high level is not more than eye high level threshold value, do not remember
Record the correspondence of the pre emphasis factor and this high level.
In conclusion pre emphasis factor test method, device and communication equipment provided by the present application, pass through medium access control
Transmitting terminal in coremaking piece and physical chip sends eye pattern test signal to receiving terminal, and according to high from the eye that obtains is received
Data determine preferred pre emphasis factor.It can the preferable preemphasis system of transmission quality in this way, relatively accurately can quickly filter out
Number, improves the reliability of signal transmission between medium access control chip and physical chip.
In embodiment provided herein, it should be understood that disclosed device and method, it can also be by other
Mode realize.The apparatus embodiments described above are merely exemplary, for example, the flow chart and block diagram in attached drawing are shown
According to the device, the architectural framework in the cards of method and computer program product, function of multiple embodiments of the application
And operation.In this regard, each box in flowchart or block diagram can represent one of a module, section or code
Point, a part for the module, section or code includes one or more for implementing the specified logical function executable
Instruction.It should also be noted that at some as in the realization method replaced, the function of being marked in box can also be attached to be different from
The sequence marked in figure occurs.For example, two continuous boxes can essentially be basically executed in parallel, they also may be used sometimes
To execute in the opposite order, this is depended on the functions involved.It is also noted that each of block diagram and or flow chart
The combination of box in box and block diagram and or flow chart, function or the dedicated of action are based on as defined in execution
The system of hardware is realized, or can be realized using a combination of dedicated hardware and computer instructions.
In addition, each function module in each embodiment of the application can integrate to form an independent portion
Point, can also be modules individualism, can also two or more modules be integrated to form an independent part.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of step.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above, the only specific implementation mode of the application, but the protection domain of the application is not limited thereto, it is any
Those familiar with the art can easily think of the change or the replacement in the technical scope that the application discloses, and should all contain
It covers within the protection domain of the application.Therefore, the protection domain of the application should be subject to the protection scope in claims.
Claims (10)
1. a kind of pre emphasis factor test method, which is characterized in that be applied to include medium access control chip and physical layer core
The communication equipment of piece, the method includes：
Using the side in the medium access control chip and the physical chip as transmitting terminal, another party is as reception
End controls the transmitting terminal and sends eye pattern test signal to the receiving terminal；
It controls the transmitting terminal and high frequency division is carried out to the eye pattern test signal of transmission using multiple and different pre emphasis factors successively
Amount compensation；
For each pre emphasis factor, the receiving terminal is obtained according to the eye for receiving the eye pattern that the eye pattern test signal generates
High level；
Using the corresponding pre emphasis factor of maximum eye high level of acquisition as preferred pre emphasis factor, to use the preferred preemphasis
Coefficient sends signal to the receiving terminal.
2. according to the method described in claim 1, it is characterized in that, communication equipment record has current maximum eye high level and should
The currently corresponding target pre emphasis factor of maximum eye high level；The corresponding pre emphasis factor of the maximum eye high level by acquisition is made
For preferred pre emphasis factor the step of, including：
For the corresponding eye high level of each pre emphasis factor, judge whether this high level is more than the current maximum eye high level；
If this high level is more than the current maximum eye high level, the current maximum eye high level that the communication equipment records is updated
For this high level, and the target pre emphasis factor that the communication equipment records is updated to the corresponding preemphasis system of this high level
Number；
After controlling transmission of the transmitting terminal using all pre emphasis factors progress eye pattern test signal, by the communication equipment
Preferred pre emphasis factor of the target pre emphasis factor of record as the transmitting terminal.
3. according to the method described in claim 2, it is characterized in that, judging whether this high level is more than the current maximum eye
Before the step of high level, the method further includes：
Detect whether this high level is more than preset eye high level threshold value；
If this high level is more than the eye high level threshold value, the maximum eye high level whether this high level is more than current record is detected.
4. according to the method described in claim 1, it is characterized in that, the corresponding preemphasis of maximum eye high level by acquisition
The step of coefficient is as preferred pre emphasis factor, including：
For the corresponding eye high level of each pre emphasis factor, the correspondence of the pre emphasis factor and this high level is recorded；
After controlling transmission of the transmitting terminal using all pre emphasis factors progress eye pattern test signal, in the eye high level of record
In, the corresponding pre emphasis factor of maximum eye high level is chosen as the preferred pre emphasis factor.
5. according to the method described in claim 4, it is characterized in that, described to record the pre emphasis factor corresponding with this high level
The step of relationship includes：
Detect whether this high level is more than preset eye high level threshold value；
If this high level is more than the eye high level threshold value, the pre emphasis factor and this high level are recorded in the communication equipment
Correspondence；
If this high level is not more than the eye high level threshold value, the correspondence of the pre emphasis factor and this high level is not recorded.
6. a kind of pre emphasis factor test device, which is characterized in that be applied to include medium access control chip and physical layer core
The communication equipment of piece, described device include：
Control module is sent, for using the side in the medium access control chip and the physical chip as transmission
End, another party control the transmitting terminal and send eye pattern test signal to the receiving terminal as receiving terminal；
Coefficient adjustment module successively surveys the eye pattern of transmission using multiple and different pre emphasis factors for controlling the transmitting terminal
Trial signal carries out high fdrequency component compensation；
Eye high level acquisition module obtains the receiving terminal and is surveyed according to the eye pattern is received for being directed to each pre emphasis factor
The eye high level for the eye pattern that trial signal generates；
Module is chosen, preferred pre-add of the corresponding pre emphasis factor of maximum eye high level for that will obtain as the transmitting terminal
Weight coefficient sends signal to the receiving terminal.
7. device according to claim 6, which is characterized in that the communication equipment record has current maximum eye high level and should
The currently corresponding target pre emphasis factor of maximum eye high level；
The selection module is additionally operable to be directed to the corresponding eye high level of each pre emphasis factor, and it is described to judge whether this high level is more than
Current maximum eye high level；When this high level is more than the current maximum eye high level, by the communication equipment record it is current most
Big eye high level is updated to this high level, and the target pre emphasis factor that the communication equipment records is updated to this high level and is corresponded to
Pre emphasis factor；It, will and after controlling transmission of the transmitting terminal using all pre emphasis factors progress eye pattern test signal
The target pre emphasis factor of the communication equipment record is as the preferred pre emphasis factor.
8. device according to claim 7, which is characterized in that the selection module is judging whether this high level is more than institute
Before stating current maximum eye high level, detect whether this high level is more than preset eye high level threshold value；If this high level is more than described
Eye high level threshold value then detects the maximum eye high level whether this high level is more than current record.
9. device according to claim 6, which is characterized in that the selection module is additionally operable to be directed to each pre emphasis factor
Corresponding eye high level, records the correspondence of the pre emphasis factor and this high level；And use institute controlling the transmitting terminal
After having pre emphasis factor to carry out the transmission of eye pattern test signal, in the eye high level of record, it is corresponding to choose maximum eye high level
Pre emphasis factor is as the preferred pre emphasis factor.
10. a kind of communication equipment, which is characterized in that including medium access control chip, physical chip, processor and and machine
Readable storage medium storing program for executing, the machine readable storage medium are stored with the machine-executable instruction that can be executed by the processor,
The processor executes the machine-executable instruction and realizes any methods of claim 1-5.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109257094A (en) * | 2018-11-01 | 2019-01-22 | 郑州云海信息技术有限公司 | A kind of the pre-add weight values obtaining value method and device of the transmitter that serially unstrings |
| CN109862206A (en) * | 2019-02-28 | 2019-06-07 | 深圳市华星光电半导体显示技术有限公司 | Method for transmitting signals |
| CN113691393A (en) * | 2021-07-14 | 2021-11-23 | 深圳市联洲国际技术有限公司 | Communication quality optimization method, device, equipment and storage medium based on pre-emphasis |
| CN113922890A (en) * | 2021-09-16 | 2022-01-11 | 烽火通信科技股份有限公司 | Pre-emphasis parameter adjustment method, device, equipment and readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060171485A1 (en) * | 2005-01-31 | 2006-08-03 | Agere Systems Inc. | Serdes auto calibration and load balancing |
| CN105703840A (en) * | 2016-01-22 | 2016-06-22 | 盛科网络（苏州）有限公司 | Method for quickly selecting pre-emphasis parameter of high-speed serdes |
| CN106155950A (en) * | 2015-03-23 | 2016-11-23 | 中兴通讯股份有限公司 | Parameter processing method and device |
| CN106330594A (en) * | 2015-07-02 | 2017-01-11 | 中兴通讯股份有限公司 | Pre-emphasis parameter configuration method and apparatus |
-
2018
- 2018-02-24 CN CN201810157718.XA patent/CN108540244B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060171485A1 (en) * | 2005-01-31 | 2006-08-03 | Agere Systems Inc. | Serdes auto calibration and load balancing |
| CN106155950A (en) * | 2015-03-23 | 2016-11-23 | 中兴通讯股份有限公司 | Parameter processing method and device |
| CN106330594A (en) * | 2015-07-02 | 2017-01-11 | 中兴通讯股份有限公司 | Pre-emphasis parameter configuration method and apparatus |
| CN105703840A (en) * | 2016-01-22 | 2016-06-22 | 盛科网络（苏州）有限公司 | Method for quickly selecting pre-emphasis parameter of high-speed serdes |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109257094A (en) * | 2018-11-01 | 2019-01-22 | 郑州云海信息技术有限公司 | A kind of the pre-add weight values obtaining value method and device of the transmitter that serially unstrings |
| CN109862206A (en) * | 2019-02-28 | 2019-06-07 | 深圳市华星光电半导体显示技术有限公司 | Method for transmitting signals |
| CN113691393A (en) * | 2021-07-14 | 2021-11-23 | 深圳市联洲国际技术有限公司 | Communication quality optimization method, device, equipment and storage medium based on pre-emphasis |
| CN113922890A (en) * | 2021-09-16 | 2022-01-11 | 烽火通信科技股份有限公司 | Pre-emphasis parameter adjustment method, device, equipment and readable storage medium |
| CN113922890B (en) * | 2021-09-16 | 2023-09-29 | 烽火通信科技股份有限公司 | Pre-emphasis parameter adjustment method, pre-emphasis parameter adjustment device, pre-emphasis parameter adjustment equipment and readable storage medium |
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