CN107517144A - The processing method and processing device of data transfer, data transmission system - Google Patents
The processing method and processing device of data transfer, data transmission system Download PDFInfo
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- CN107517144A CN107517144A CN201610428836.0A CN201610428836A CN107517144A CN 107517144 A CN107517144 A CN 107517144A CN 201610428836 A CN201610428836 A CN 201610428836A CN 107517144 A CN107517144 A CN 107517144A
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- media type
- transport media
- transmission medium
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
- H04L12/2879—Access multiplexer, e.g. DSLAM characterised by the network type on the uplink side, i.e. towards the service provider network
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention provides a kind of processing method and processing device of data transfer, data transmission system, wherein, this method includes：Obtain access scene corresponding to the transport media type and/or transport media type in copper cable access network between local side and terminal；Start link activation initialization flow corresponding with the transport media type and/or the access scene；And/or configuration configured transmission corresponding with the transport media type and/or the access scene, wherein, the configured transmission is to carry out data transmission required parameter on the transmission medium.Using above-mentioned technical proposal, solve the problems, such as that Reasonable adjustment can not be carried out to data transmission procedure according to the relevant information of different transmission mediums in correlation technique, realize the effect according to different transmission mediums and/or different access scene Reasonable adjustment data transmission procedures.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of processing method and processing device of data transfer, data transfer
System.
Background technology
Copper cable access system includes quickly accessing client terminal system and the system of Very High Speed Digital Subscriber Line 2.Its net
Network framework can be divided into copper cable access system G.fast/xDSL local sides and copper cable access system G.fast/xDSL subscriber terminal equipments
(Customer Premise Equipment, referred to as CPE).Wherein, G.fast/xDSL local sides can provide multiple interface difference
It is connected with multiple terminal devices.Connection medium between G.fast/xDSL local sides and the corresponding interface of terminal device can be same
Shaft cable, can also twisted-pair feeder.Different copper cable transmission medium (as coaxially and twisted-pair feeder) exist in transmission characteristic it is larger
Difference.
It is reasonable for that can not be carried out in the related art according to the relevant information of different transmission mediums to data transmission procedure
The problem of adjustment, there is presently no effective solution.
The content of the invention
The embodiments of the invention provide a kind of processing method and processing device of data transfer, data transmission system, at least to solve
The problem of certainly Reasonable adjustment can not being carried out to data transmission procedure according to the relevant information of different transmission mediums in correlation technique.
According to one embodiment of present invention, there is provided a kind of processing method of data transfer, including：Obtain copper cable access
Access scene corresponding to transport media type and/or transport media type in net between local side and terminal, wherein, according to described in
Access scene determines transport media type；Start link corresponding with the transport media type and/or the access scene to swash
Initialization flow living；And/or configuration configured transmission corresponding with the transport media type and/or the access scene, its
In, the configured transmission is to carry out data transmission required parameter on the transmission medium.
Optionally, the transport media type and/or transport media type in copper cable access network between local side and terminal are obtained
Corresponding access scene includes one below：Local side is believed by management entity (Manager Entity, referred to as ME) or management
Cease storehouse (Management Information Base, referred to as MIB) and obtain transport media type；Obtain the transmission medium
Performance parameter value, the comparative result according to the performance parameter value and default capabilities parameter value determines the transmission medium class
Type；The characteristic impedance value of the transmission medium is obtained, the transport media type is determined according to the characteristic impedance value；Obtain institute
The physical circuit state of the transmission medium institute access interface between local side and terminal is stated, institute is determined according to the physical circuit state
State transport media type.
Alternatively, the local side obtains transport media type and/or transport media type pair by management entity ME or MIB
The access scene answered includes：Obtain the related OAM of transport media type (operation Operation, O＆M Maintenance, management
Administration) parameter, including at least one of：Access field corresponding to transport media type or transport media type
Scape, working frequency range, the working frequency range that need to be shielded by circuit compatible tv business, crosstalk counteracting are enabled, dynamic time distribution
(DTA) enable, the adjustable tdd frame downlink or uplink symbolic number scopes of DTA.
Optionally, determine that the transport media type includes according to the physical circuit state：The terminal obtain with
In the case of the physical circuit state of the transmission medium, the biography that the terminal will determine according to the physical circuit state
Defeated media type feeds back to the local side；In the case where the local side obtains the physical circuit state with the transmission medium,
The transport media type determined according to the physical circuit state is fed back to the terminal by the local side.
Optionally, the comparative result according to the performance parameter value and default capabilities parameter value determines the transmission medium class
Type includes：Obtain the crossfire value of the transmission medium；In the case where the crossfire value is more than first threshold, the transmission is determined
Medium is twisted-pair feeder；In the case where the crossfire value is less than the first threshold, the predetermined frequency in the data transfer is obtained
The pad value of rate；In the case where the pad value is more than Second Threshold, it is twisted-pair feeder to determine the transmission medium；Declined described
In the case that depreciation is less than the Second Threshold, the signal to noise ratio snr value of the preset frequency is obtained, and be less than in the SNR value
In the case of 3rd threshold value, it is twisted-pair feeder to determine the transmission medium；And it is more than the feelings of the 3rd threshold value in the SNR value
Under condition, it is coaxial cable to determine the transmission medium.
Optionally, the characteristic impedance value of the transmission medium is obtained, determines that the transmission is situated between according to the characteristic impedance value
Matter type includes：M-TDR functional modules are integrated in local side and/or terminal, according to M-TDR functional modules analysis local side with
The characteristic impedance value of transmission medium between terminal, the transport media type is determined according to the characteristic impedance value.
Optionally, the configured transmission includes at least one of：Configuration file (profile), working frequency range, initialization
T easet ofasubcarriers (handshake tone sets) used in shaking hands, power spectral density, the maximum load position of each subcarrier
Number, crosstalk counteracting enable, and dynamic time distribution (Dynamic Time Allocation, referred to as DTA) is enabled, DTA can adjust
A tdd frame in downlink or uplink symbolic number scope.
Optionally, link activation initialization flow corresponding with the transport media type and/or the access scene is started
Journey includes：In the case where getting the transmission medium as coaxial cable, performed in the link activation initializes flow
To without the related operation of crosstalk counteracting function；In the case where getting the transmission medium as twisted-pair feeder, swash in the link
The operation related to crosstalk counteracting function is performed in initialization flow living.
According to another embodiment of the invention, there is provided a kind of processing unit of data transfer, including：
Acquisition module, for obtaining transport media type and/or transmission Jie in copper cable access network between local side and terminal
Access scene corresponding to matter type；
Processing module, at the beginning of starting link activation corresponding with the transport media type and/or the access scene
Beginningization flow；And/or configuration configured transmission corresponding with the transport media type and/or the access scene, wherein, institute
It is to carry out data transmission required parameter on the transmission medium to state configured transmission.
Optionally, the acquisition module includes：First acquisition unit, for obtaining the transmission medium between local side and terminal
The physical circuit state of institute's access interface, the transport media type is determined according to the physical circuit state；Second obtains list
Member, for obtaining the performance parameter value of the transmission medium, the comparison according to the performance parameter value and default capabilities parameter value
As a result the transport media type is determined；3rd acquiring unit, for obtaining the characteristic impedance value of the transmission medium, according to institute
State characteristic impedance value and determine the transport media type, the 4th acquiring unit, for (management to be real from management entity ME by local side
Body) or MIB acquisition transport media types.
Optionally, the first acquisition unit includes：First feedback subelement, for being obtained and the biography in the terminal
In the case of the physical circuit state of defeated medium, the transmission medium that the terminal will determine according to the physical circuit state
Type feedback gives the local side；Second feedback subelement, for obtaining the physical circuit with the transmission medium in the local side
In the case of state, the transport media type determined according to the physical circuit state is fed back to the end by the local side
End.
Optionally, the processing module includes：First opening unit, for being coaxial electrical getting the transmission medium
In the case of cable, performed in the link activation initializes flow to without the related operation of crosstalk counteracting function；Second opens
Unit, in the case where getting the transmission medium as twisted-pair feeder, being performed in the link activation initializes flow
The operation related to crosstalk counteracting function.
According to still another embodiment of the invention, a kind of data transmission system, including local side, terminal, transmission are additionally provided
Medium, it is characterised in that the local side and/or terminal, the transmission medium class of the local side and/or terminal is connected to for obtaining
Type, and after the transport media type is got, start corresponding with the transport media type and/or the access scene
Link activation initialization flow；And/or configuration transmission corresponding with the transport media type and/or the access scene
Parameter, wherein, the configured transmission is to carry out data transmission required parameter on the transmission medium.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is arranged to storage and used
In the program code for performing following steps：
Obtain and connect corresponding to transport media type and/or transport media type in copper cable access network between local side and terminal
Enter scene；
Start link activation initialization flow corresponding with the transport media type and/or the access scene；With/
Or, configuration configured transmission corresponding with the transport media type and/or the access scene, wherein, the configured transmission is
Carry out data transmission required parameter on the transmission medium.
By the present invention, data transmission system obtains transport media type and/or transmission is situated between before carrying out data transmission
Access scene corresponding to matter type, different transmission mediums have different attribute, and difference access scene has different configuration parameters, corresponded to not
Same data transmission link activation initialization flow and configured transmission, according to the transport media type and/or access obtained
Link activation initialization flow corresponding to scene startup, configure in the data transmission and the transmission medium and/or access scene pair
The parameter answered, after a series of configuration operation of configured transmissions, the service efficiency to the transmission medium is higher, is solved not
The problem of Reasonable adjustment being carried out to data transmission procedure according to the relevant information of different transmission mediums, realize according to not simultaneous interpretation
The effect of defeated medium and/or different access scene Reasonable adjustment data transmission procedures.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of Organization Chart of data transmission system of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of the processing method of data transfer according to embodiments of the present invention；
Fig. 3 is the connection block diagram one of terminal and interface according to embodiments of the present invention；
Fig. 4 is the connection block diagram two of terminal and interface according to embodiments of the present invention；
Fig. 5 is the connection block diagram three of terminal and interface according to embodiments of the present invention；
Fig. 6 is the connection block diagram four of terminal and interface according to embodiments of the present invention；
Fig. 7 is the method flow diagram of terminal recognition transmission medium according to embodiments of the present invention；
Fig. 8 is the method flow diagram that foundation configured transmission according to embodiments of the present invention judges copper cable type；
Fig. 9 is the schematic diagram that M-TDR functional modules are integrated in local side according to embodiments of the present invention；
Figure 10 is a kind of structured flowchart one of the processing unit of data transfer according to embodiments of the present invention；
Figure 11 is a kind of structured flowchart two of the processing unit of data transfer according to embodiments of the present invention；
Figure 12 is a kind of structured flowchart three of the processing unit of data transfer according to embodiments of the present invention；
Figure 13 is a kind of structured flowchart four of the processing unit of data transfer according to embodiments of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.
Local side is to provide a side of terminal access, such as telecommunications local side etc..
Characteristic impedance is also known as characteristic impedance, and it is not D.C. resistance, the concept belonged in Long line transmission.In high-frequency range
Interior, signal, due to the foundation of electric field between signal wire and reference planes (power supply or ground level), can produce one along the place reached
Immediate current, if transmission line is isotropic, then as long as signal is transmitting, an electric current i all the time just be present, and if
The output voltage v of signal, during signal transmits, transmission line will be equivalent to a resistance v/i, this equivalent electricity
Resistance is referred to as the characteristic impedance of transmission line.
Embodiment 1
The embodiment of the method that the embodiment of the present application 1 is provided can perform in arithmetic unit.Fig. 1 is the embodiment of the present invention
A kind of data transmission system Organization Chart.(only show in figure as shown in figure 1, data transmission system can include one or more
Go out one) terminal 102, local side 104, between connected by transmission medium 106, terminal 102 or local side 104, which are used to obtain, to be connected
To the local side or the transport media type of terminal, and after the transport media type is got, start and the transmission medium
Link activation corresponding to type and/or the access scene initializes flow；And/or configuration with the transport media type and/or should
Configured transmission corresponding to scene is accessed, wherein, the configured transmission is required for carrying out data transmission on the transmission medium 106
Parameter.
A kind of processing method for the data transfer for running on the network architecture is provided in the present embodiment, and Fig. 2 is according to this
The flow chart of the processing method of a kind of data transfer of inventive embodiments, as shown in Fig. 2 the flow comprises the following steps：
Step S202, obtain transport media type and/or transmission medium class between local side and terminal in copper cable access network
Access scene corresponding to type；(having follow-up step S204 in page 7 of specification)
Optionally, the type of the transmission medium of above-described embodiment may be coaxial cable, twisted-pair feeder or WAN line (wide areas
Net, Wide Area Network, referred to as WAN), different transmission mediums is adapted to set different configured transmissions, don't fail to be
This transmission medium used is identified before data transfer, facilitates copper cable access system to configure configured transmission, or from different
Link activation initialization flow started.Access scene is corresponding corresponding to the transport media type that above-described embodiment is recorded
Including the access scene recorded in relevant criterion agreement, such as coaxial cable access scene, twisted-pair feeder access scene.
In the correlation technique of copper cable access system, local side and terminal (for convenience of describing, substitute local side with terminal below
And/or terminal) with the connection of copper cable transmission medium two ways be present, a kind of is that the transceiver module of terminal has coaxial interface
Or interface corresponding to the transmission medium such as multiple twin line interface, judge the copper cable media type accessed according to the state of interface.Fig. 3
It is the connection block diagram one of terminal and interface according to embodiments of the present invention, as shown in figure 3, the transceiver module of terminal is situated between with transmission
Matter is connected by interface.Second is by multiple twin line interface/coaxial cable interface conversion adaptation module, and original interface is turned
Other species interfaces are changed to, because the characteristic impedance of different transmission mediums is different, also need to carry out using conversion adaptation module
The adaptation of characteristic impedance.Fig. 4 is the connection block diagram two of terminal and interface according to embodiments of the present invention, as shown in figure 4, terminal
Transceiver module is connected by conversion adaptation module with transmission medium.Fig. 5 is terminal according to embodiments of the present invention and interface
Block diagram three is connected, as shown in figure 5, the interface in terminal is multiple twin line interface, is used using transmission medium after conversion adapter
Coaxial cable.Fig. 6 is the connection block diagram four of terminal and interface according to embodiments of the present invention, as shown in fig. 6, the interface in terminal
It is coaxial interface, twisted-pair feeder has been used using transmission medium after conversion adapter.
Step S204 in Fig. 2, it is initial to start link activation corresponding with the transport media type and/or the access scene
Change flow；And/or configuration configured transmission corresponding with the transport media type and/or the access scene, wherein, transmission ginseng
Number is the parameter required for carrying out data transmission on the transmission medium.Identify transport media type or access scene it
Afterwards, parameter configuration corresponding with the above is carried out.
By Fig. 2 method and step, transport media type and/or biography between local side and terminal in copper cable access network are obtained
Access scene corresponding to defeated media type；At the beginning of starting link activation corresponding with the transport media type and/or the access scene
Beginningization flow；And/or configuration configured transmission corresponding with the transport media type and/or the access scene, wherein, the transmission
Parameter is to carry out data transmission required parameter on the transmission medium.Solving can not be according to different transmission in correlation technique
The problem of relevant information of medium carries out Reasonable adjustment to data transmission procedure, realizes according to different transmission mediums and/or not
The effect of same access scene Reasonable adjustment data transmission procedure.
In copper cable access system initialization procedure, after identifying transmission medium, according to transport media type from not
Same link activation initialization flow is started and/or configured the transmission that different configured transmissions carries out data, is directed to simultaneously
Different copper cable types uses different operating mechanisms.
Start link activation initialization flow corresponding with the transport media type and/or the access scene；And/or match somebody with somebody
Put configured transmission corresponding with the transport media type and/or the access scene, including following process：In initial phase, office
End and the terminal-pair configured transmission (including at least one of：Configuration file (profile), working frequency range, initialization handshake institute
T easet ofasubcarriers (handshake tone sets), power spectral density, the maximum load digit of each subcarrier, crosstalk
Offset and enable, dynamic time distribution is enabled, downlink or uplink symbolic number scope in the adjustable tdd frame of DTA) carry out ability
Consult, it is just common to confirm to use operator scheme progress when local side and terminal support the corresponding operator scheme of the configured transmission
Operation.Working stage after system initialization completion, maximum that also can be by G.fast management passages to each subcarrier
Loading digit, the enabled parameter of dynamic time distribution are configured.
Optionally, the transmission medium class in copper cable access network between local side and terminal can be obtained by one below mode
Access scene corresponding to type and/or transport media type：Mode 1, the transmission medium obtained between local side and terminal access
The physical circuit state of mouth, the transport media type is determined according to the physical circuit state；Mode 2, obtain the transmission medium
Performance parameter value, the comparative result according to the performance parameter value and default capabilities parameter value determine the transport media type；Mode
3rd, the characteristic impedance value of the transmission medium is obtained, the transport media type is determined according to this feature impedance value.It is described further below
It is above-mentioned be somebody's turn to do below be above-described embodiment record 3 kinds of modes；Mode 4, local side pass through management entity ME (management entity) or MIB
Obtain transport media type.
The mode 1 of above-mentioned 4 kinds of modes：For the implementation, there are two kinds of implementation methods：
(1) Interface status directly connected by terminal is judged.Local side and terminal suitable for copper cable access system
Between directly using certain type of copper cable be connected without entering line interface by multiple twin line interface/coaxial interface conversion adaptation module
Conversion.Transceiver module directly determines the interface type of access by being connected into the physical circuit state (such as ON/OFF) of interface,
So as to judge the copper cable media type of access.
(2) method being combined by connecting interface state recognition and local side with terminal interaction.Specifically：In the terminal
In the case of obtaining with the physical circuit state of transmission medium, transmission medium that the terminal will determine according to the physical circuit state
Type feedback gives the local side；In the case where the local side is obtained with the physical circuit state of the transmission medium, the local side is by foundation
The transport media type that the physical circuit state determines feeds back to the terminal.
One applicable scene of method (2) is：Certain one end (local side or terminal) only has the interface of a certain type, but because of portion
Administration needs to enter conversion (the generally conversion adaptation mould of line interface by multiple twin line interface/coaxial interface conversion adaptation module
The copper cable medium length being connected between block and the port is shorter)；But other end provide two kinds of interface (respectively with together
One transceiver module is connected) it is mainly local side or terminal first passes through connecting interface state and carries out the identification of port type so as to sentence
Disconnected copper cable media type, then gives opposite end (terminal or local side) the feedback of the information.Fig. 7 is terminal according to embodiments of the present invention
The method flow diagram of transmission medium is identified, as shown in fig. 7, step is as follows：
S701, terminal identify transport media type according to interface；
S702, local side request report copper cable media type；
Copper cable media type is reported local side by S703, terminal.
The mode 2 of above-mentioned 4 kinds of modes, is judged by the transmission performance parameter between local side and terminal：
Because different types of copper cable transmission medium (between such as coaxial cable and twisted-pair feeder) has because transmission characteristic is different
There is a different transmission performance parameters, such as with the presence or absence of serious crosstalk (the i.e. coaxial cable or twisted wire pair systems other lines
The influence on road), if bigger decay be present, (Signal-Noise Ratio, be referred to as in the signal to noise ratio of each frequency band
SNR) value etc..This method just utilizes this feature, by analyzing the transporting in copper cable access system between local side and terminal
Energy parameter (crossfire value, and/or pad value, and/or SNR etc.), according to the performance characteristic of predefined various copper cable media types
Which kind of copper cable media type value judgement is.
In an alternate embodiment of the present invention where, mode 2 can be realized by following steps, but not limited to this：Obtain
The crossfire value of the transmission medium；In the case where the crossfire value is more than first threshold, it is twisted-pair feeder to determine the transmission medium；At this
In the case that crossfire value is less than the first threshold, the pad value of the preset frequency in the data transfer is obtained；It is big in the pad value
In the case of Second Threshold, it is twisted-pair feeder to determine the transmission medium；In the case where the pad value is less than the Second Threshold, obtain
The signal to noise ratio snr value of the preset frequency is taken, and in the case where the SNR value is less than the 3rd threshold value, it is double to determine the transmission medium
Twisted wire；And in the case where the SNR value is more than the 3rd threshold value, it is coaxial cable to determine the transmission medium.
Fig. 8 is the method flow diagram that foundation configured transmission according to embodiments of the present invention judges copper cable type, such as Fig. 8 institutes
Show, step is as follows：
S801, copper cable media type is accessed, calculating the crossfire value of the copper cable medium, (crossfire value i.e. this line is to adjacent lines
Caused crossfire value), in the case where the crossfire value is more than first threshold, it is twisted-pair feeder to determine the copper cable medium；
S802, in the case where the crossfire value is less than first threshold, calculate declining in data transmission procedure specific frequency
Depreciation, in the case where the pad value is more than Second Threshold, it is twisted-pair feeder to determine the copper cable medium；
S803, in the case where the pad value is less than Second Threshold, calculate the SNR of the specific frequency in data transmission procedure
Value, in the case where the SNR value is less than the 3rd threshold value, it is twisted-pair feeder to determine the copper cable medium, is more than the 3rd threshold value in the SNR value
In the case of, it is coaxial cable to determine the copper cable medium.
The mode 3 of above-mentioned 4 kinds of modes, the integrated metal Time Domain Reflectometry mirror M-TDR (Metallic in local side transceiver module
Time-Domain Reflector, referred to as M-TDR) functional module, the principle that characteristic impedance measurement can be carried out using TDR entered
The detection of row copper cable type.
Mode 3 using TDR can carry out characteristic impedance measure and can measure each impedance discontinuity point position and characteristic this
Principle, integrates M-TDR functions in local side transceiver module, and Fig. 9 is that M-TDR work(is integrated in local side according to embodiments of the present invention
The schematic diagram of energy module, as shown in figure 9, carrying out TDR measurements first, master is occupied by the signal of feedback to analyze in transmission medium
Want the media type of transmission feature；By the way that the characteristic impedance measured value for the transmission medium for occupying prevailing transmission feature is determined with advance
Justice is compared with the coaxial cable of setting with the characteristic impedance value of twisted-pair feeder, is coaxial determine to occupy prevailing transmission feature
Type of cable or twisted-pair type.Wherein, the transmission medium for occupying prevailing transmission feature refers to occupy between local side and terminal
Compare the media type of longer transmission distance.
The local side described in mode 4 obtains transport media type and/or transport media type by management entity ME or MIB
Corresponding access scene includes：Obtain related OAM (operation, the O＆M, management) parameter of transport media type, including it is following at least
One of：Scene, working frequency range are accessed corresponding to transport media type or transport media type, are needed because of circuit compatible tv business
Working frequency range, the crosstalk counteracting of shielding enable, dynamic time distribution (DTA) is enabled, descending in the adjustable tdd frame of DTA
Or uplink symbol number scope.
Optionally, the configured transmission includes at least one of：Configuration file (profile), working frequency range, initialization is held
T easet ofasubcarriers (handshake tone sets) used in hand, power spectral density, the maximum load digit of each subcarrier,
Crosstalk counteracting enables, and dynamic time distribution (DTA) is enabled, downlink or uplink symbolic number model in the adjustable tdd frame of DTA
Enclose, configured transmission can also enable including Dynamic Bandwidth Allocation.
After copper cable media type between identification outgoing end and terminal prot, distributing rationally for parameter is transmitted,
From meeting that the working frequency range of the type, transimission power, power spectral density, subcarrier maximum load digit carry out the fortune of system
OK.When it is coaxial cable to identify the copper cable medium between outgoing end and terminal prot, dynamic time distribution (DTA) work(can be enabled
Can so that system supports Dynamic Bandwidth Allocation；When copper cable medium between identification outgoing end and terminal prot is twisted-pair feeder, do not make
Energy DTA functions, so as to which system does not just support DTA.
Optionally, in Fig. 2 step S204 record " start it is corresponding with the transport media type and/or the access scene
Link activation initializes flow " it can be accomplished by the following way：In the case where getting the transmission medium as coaxial cable,
Performed in the link activation initializes flow to without the related operation of crosstalk counteracting function；It is double getting the transmission medium
In the case of twisted wire, the operation related to crosstalk counteracting function is performed in the link activation initializes flow.Specifically：
Copper cable medium between identification outgoing end and terminal prot is coaxial cable, and determines to be not present or in the presence of slight
Line-to-line crosstalk, then can enable " no crosstalk counteracting (or being undirected quantum chemical method, i.e. No vectoring) " function, so as to
Omit and add the vector v ectoring such as Vector Groups (vectoring Group) related flow and step, when reducing initialization
Between and reach the effect of energy-conservation.Copper cable medium between identification outgoing end and terminal prot is twisted-pair feeder, then enabled " crosstalk is supported
Disappear (or being calculated for vectorization, i.e. vectoring) " function, it is necessary to perform add Vector Groups (vectoring Group) etc. to
Measure vectoring related flow and step.
The present invention of above-mentioned record implement to start between local side in copper cable access system and terminal or running in,
Automatic identification copper cable type, started according to different copper cable media types from different link activation initialization flows
And/or configure different configured transmissions and carry out the transmission of data, while use different operation machines for different copper cable types
System, so as to optimize the operation of system and the energy-conservation of advantages systems, it also avoid maloperation problem caused by human configuration.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot
In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing
The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate
Machine, server, or network equipment etc.) perform the method that each embodiment of the present invention is somebody's turn to do.
Embodiment 2
Additionally provide a kind of processing unit of data transfer in the present embodiment, the device be used to realizing above-described embodiment and
Preferred embodiment, repeating no more for explanation was carried out.As used below, term " module " can realize predetermined work(
The combination of the software and/or hardware of energy.Although device described by following examples is preferably realized with software, firmly
Part, or the realization of the combination of software and hardware is also what may and be contemplated.
Figure 10 is a kind of structured flowchart one of the processing unit of data transfer according to embodiments of the present invention, such as Figure 10 institutes
Show, the device includes：
Acquisition module 102, for obtaining transport media type and/or transmission in copper cable access network between local side and terminal
Access scene corresponding to media type；
Processing module 104, it is connected with acquisition module 102, for starting and the transport media type and/or the access scene
Corresponding link activation initializes flow；And/or configuration transmission corresponding with the transport media type and/or the access scene
Parameter, wherein, the configured transmission is to carry out data transmission required parameter on the transmission medium.
Figure 11 is a kind of structured flowchart two of the processing unit of data transfer according to embodiments of the present invention, such as Figure 11 institutes
Show, the acquisition module 102 includes：
First acquisition unit 112, for obtaining the physical circuit of the institute of the transmission medium between local side and terminal access interface
State, the transport media type is determined according to the physical circuit state；
Second acquisition unit 114, for obtaining the performance parameter value of the transmission medium, according to the performance parameter value with presetting
The comparative result of performance parameter value determines the transport media type；
3rd acquiring unit 116, for obtaining the characteristic impedance value of the transmission medium, being determined according to this feature impedance value should
Transport media type；
4th acquiring unit 118, for obtaining transmission medium class from management entity ME (management entity) or MIB by local side
Type.
Figure 12 is a kind of structured flowchart three of the processing unit of data transfer according to embodiments of the present invention, such as Figure 12 institutes
Show, the first acquisition unit 112 includes：
First feedback subelement 122, in the case of obtaining the physical circuit state with the transmission medium in the terminal,
The transport media type determined according to the physical circuit state is fed back to the local side by the terminal；
Second feedback subelement 124, in the case of obtaining the physical circuit state with the transmission medium in the local side,
The transport media type determined according to the physical circuit state is fed back to the terminal by the local side.
Figure 13 is a kind of structured flowchart four of the processing unit of data transfer according to embodiments of the present invention, such as Figure 13 institutes
Show, the processing module 104 includes：
First opening unit 132, for getting the transmission medium as in the case of coaxial cable, in the link activation
Initialize performed in flow to without the related operation of crosstalk counteracting function；
Second opening unit 134, for getting the transmission medium as in the case of twisted-pair feeder, at the beginning of the link activation
The operation related to crosstalk counteracting function is performed in beginningization flow.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any
The form of combination is located in different processors respectively.
Embodiment 3
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
The program code for performing following steps to be arranged to storage to be used for：
S1, obtains the transport media type in copper cable access network between local side and terminal and/or transport media type corresponds to
Access scene；
S2, start link activation initialization flow corresponding with the transport media type and/or the access scene；And/or
Configuration configured transmission corresponding with the transport media type and/or the access scene, wherein, the configured transmission is to be situated between in the transmission
Carry out data transmission required parameter in matter.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
CD etc. is various can be with the medium of store program codes.
Alternatively, in the present embodiment, processor performs above-mentioned implementation according to the program code stored in storage medium
The method and step that example is recorded.
Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment
Example, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein
The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (13)
- A kind of 1. processing method of data transfer, it is characterised in that including：Obtain access field corresponding to the transport media type and/or transport media type in copper cable access network between local side and terminal Scape；Start link activation initialization flow corresponding with the transport media type and/or the access scene；And/or match somebody with somebody Configured transmission corresponding with the transport media type and/or the access scene is put, wherein, the configured transmission is described Carry out data transmission required parameter on transmission medium.
- 2. according to the method for claim 1, it is characterised in that obtain the transmission between local side and terminal in copper cable access network Access scene includes one below corresponding to media type and/or transport media type：Local side is obtained corresponding to transport media type and/or transport media type by management entity ME or management information bank MIB Access scene；The transmission performance parameter value of the transmission medium is obtained, the comparison according to the performance parameter value and default capabilities parameter value As a result the transport media type is determined；The characteristic impedance value of the transmission medium is obtained, the transport media type is determined according to the characteristic impedance value；The physical circuit state of the transmission medium institute access interface between the local side and terminal is obtained, according to the physical circuit State determines the transport media type.
- 3. according to the method for claim 2, it is characterised in that the local side is obtained by management entity ME or MIB and transmitted Access scene includes corresponding to media type and/or transport media type：Obtain related OAM (operation, the O＆M, management) parameter of transport media type, including at least one of：Transmission medium class Access scene corresponding to type or transport media type, working frequency range, the working frequency range that need to be shielded by circuit compatible tv business, Crosstalk counteracting is enabled, dynamic time distribution (DTA) is enabled, downlink or uplink symbolic number model in the adjustable tdd frame of DTA Enclose.
- 4. according to the method for claim 2, it is characterised in that according to the performance parameter value and default capabilities parameter value Comparative result determines that the transport media type includes：Obtain the crossfire value of the transmission medium；In the case where the crossfire value is more than first threshold, it is twisted-pair feeder to determine the transmission medium；In the case where the crossfire value is less than the first threshold, the decay of the preset frequency in the data transfer is obtained Value；In the case where the pad value is more than Second Threshold, it is twisted-pair feeder to determine the transmission medium；In the case where the pad value is less than the Second Threshold, the signal to noise ratio snr value of the preset frequency is obtained, and in institute SNR value is stated less than in the case of the 3rd threshold value, it is twisted-pair feeder to determine the transmission medium；And it is more than in the SNR value described In the case of 3rd threshold value, it is coaxial cable to determine the transmission medium.
- 5. according to the method for claim 2, it is characterised in that the characteristic impedance value of the transmission medium is obtained, according to institute State characteristic impedance value and determine that the transport media type includes：M-TDR functional modules are integrated in local side and/or terminal, according to M-TDR functional modules analysis local side and terminal it Between transmission medium characteristic impedance value, determine the transport media type according to the characteristic impedance value.
- 6. according to the method for claim 2, it is characterised in that determine the transmission medium according to the physical circuit state Type includes：In the case where the terminal obtains the physical circuit state with the transmission medium, the terminal will be according to the physics The transport media type that line status determines feeds back to the local side；In the case where the local side obtains the physical circuit state with the transmission medium, the local side will be according to the physics The transport media type that line status determines feeds back to the terminal.
- 7. method according to any one of claim 1 to 6, it is characterised in that the configured transmission include it is following at least One of：Configuration file (profile), working frequency range, t easet ofasubcarriers (the handshake tone used in initialization handshake Sets), power spectral density, the maximum load digit of each subcarrier, crosstalk counteracting enable, dynamic time distribution (DTA) is enabled, Downlink or uplink symbolic number scope in the adjustable tdd frame of DTA.
- 8. method according to any one of claim 1 to 6, start and the transport media type and/or the access Link activation initialization flow includes corresponding to scene：In the case where getting the transmission medium as coaxial cable, execution and nothing in the link activation initializes flow The related operation of crosstalk counteracting function；In the case where getting the transmission medium as twisted-pair feeder, execution and crosstalk in the link activation initializes flow The related operation of cancel function.
- A kind of 9. processing unit of data transfer, it is characterised in that including：Acquisition module, for obtaining transport media type and/or transmission medium class in copper cable access network between local side and terminal Access scene corresponding to type, wherein, determine transport media type according to the access scene；Processing module, initialized for starting link activation corresponding with the transport media type and/or the access scene Flow；And/or configuration configured transmission corresponding with the transport media type and/or the access scene, wherein, the biography Defeated parameter is to carry out data transmission required parameter on the transmission medium.
- 10. device according to claim 9, it is characterised in that the acquisition module includes：First acquisition unit, for obtaining the physical circuit state of the institute of the transmission medium between local side and terminal access interface, according to The transport media type is determined according to the physical circuit state；Second acquisition unit, for obtaining the performance parameter value of the transmission medium, according to the performance parameter value and default property The comparative result of energy parameter value determines the transport media type；3rd acquiring unit, for obtaining the characteristic impedance value of the transmission medium, according to described in characteristic impedance value determination Transport media type；4th acquiring unit, for by local side from management entity ME (management entity) or MIB obtain transport media type and/or Access scene corresponding to transport media type.
- 11. device according to claim 10, it is characterised in that the first acquisition unit includes：First feedback subelement, in the case of obtaining the physical circuit state with the transmission medium in the terminal, institute State terminal and the transport media type determined according to the physical circuit state is fed back into the local side；Second feedback subelement, in the case of obtaining the physical circuit state with the transmission medium in the local side, institute State local side and the transport media type determined according to the physical circuit state is fed back into the terminal.
- 12. according to the device described in any one of claim 9 to 10, the processing module includes：First opening unit, for getting the transmission medium as in the case of coaxial cable, at the beginning of the link activation Performed in beginningization flow to without the related operation of crosstalk counteracting function；Second opening unit, it is initial in the link activation for getting the transmission medium as in the case of twisted-pair feeder Change and the operation related to crosstalk counteracting function is performed in flow.
- A kind of 13. data transmission system, it is characterised in that including local side, terminal, transmission medium, wherein,The local side and/or terminal, transport media type and/or the transmission of the local side and/or terminal are connected to for obtaining Access scene corresponding to media type, and after the transport media type is got, start and the transport media type And/or link activation initialization flow corresponding to the access scene；And/or configuration and the transport media type and/or institute Configured transmission corresponding to access scene is stated, wherein, the configured transmission is required to carry out data transmission on the transmission medium The parameter wanted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610428836.0A CN107517144A (en) | 2016-06-16 | 2016-06-16 | The processing method and processing device of data transfer, data transmission system |
| PCT/CN2017/088286 WO2017215612A1 (en) | 2016-06-16 | 2017-06-14 | Data transmission processing method and apparatus, and data transmission system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610428836.0A CN107517144A (en) | 2016-06-16 | 2016-06-16 | The processing method and processing device of data transfer, data transmission system |
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| DE102018205264B3 (en) * | 2018-04-09 | 2019-10-10 | Continental Automotive Gmbh | Method for operating an Ethernet electrical system of a motor vehicle, control unit and Ethernet electrical system |
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