CN106797357A - The treating method and apparatus of high-speed serial signals - Google Patents
The treating method and apparatus of high-speed serial signals Download PDFInfo
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- CN106797357A CN106797357A CN201580001250.XA CN201580001250A CN106797357A CN 106797357 A CN106797357 A CN 106797357A CN 201580001250 A CN201580001250 A CN 201580001250A CN 106797357 A CN106797357 A CN 106797357A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
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Abstract
A kind for the treatment of method and apparatus of high-speed serial signals are the embodiment of the invention provides, belongs to serial communication technology field.The method includes：The data flow that receiving end/sending end sends, carries business datum and control information in the data flow, control information is used to indicate receiving terminal to process the high-speed serial signals that receiving terminal sends；Obtain the control information in data flow；High-speed serial signals treatment is carried out according to the control information for getting.The embodiment of the present invention, by the control information obtained from data flow, can be processed the high-speed serial signals that receiving terminal sends in real time during high-speed serial communication.When serial channel situation changes, when causing the loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, real-time processing can be carried out to the high-speed serial signals that receiving terminal sends, to ensure the transmission quality of high-speed serial signals, and then ensure the reliability of business data transmission.
Description
The present invention relates to serial communication technology field, more particularly to a kind for the treatment of method and apparatus of high-speed serial signals.
High-speed serial communication technology typically refers to message transmission rate and reaches more than schedule speed (such as 6.25Gbps) serial communication technology.Serializer/de-serializers (Serializer/Deserializer, referred to as " SerDes ") technology is a kind of point-to-point high-speed serial communication technology that extensive concern is received in the communications industry.In Serdes technologies, multi-path low speed parallel signal is first converted into high-speed serial signals by serializer, the high-speed serial signals pass through serial channel (for example：High-speed cable or printed circuit board backboard) transmit to deserializer, the high-speed serial signals received are finally re-converted into speed parallel signals by deserializer.
During high-speed serial communication is carried out using SerDes technologies, because transmission loss can occur in transmitting procedure for high-speed serial signals, in order to ensure the transmission quality of high-speed serial signals, it is necessary to be handled using balancing technique high-speed serial signals.Specifically, high-speed serial signals are handled using balancing technique, forward equalizer (the Feed Forward Equaliztion in deserializer can be utilized, (preemphasis processing is carried out to high-speed serial signals) referred to as " FFE ") realizing, the DFF (Decision Feedback Equalizer, referred to as " DFE ") in deserializer can also be utilized to realize and (carry out adaptive equalization processing to high-speed serial signals).
But, when realizing that the high-speed serial signals sent to serializer are handled using FFE weighing apparatus, it can only be carried out before transmitting terminal and receiving terminal set up high-speed serial communication.If during high-speed serial communication, due to factors such as temperature, agings, serial channel situation is caused to change, high-speed serial signals can also change therewith by the transmission loss of serial channel, if the transmission loss of high-speed serial signals can cause the packet loss even situation of business Transmission to occur beyond the regulating power scope of DFE balanced devices.
The content of the invention
The embodiments of the invention provide a kind for the treatment of method and apparatus of high-speed serial signals, it can solve after high-speed serial communication is set up, the transmission loss of high-speed serial signals can only be handled using DFE balanced devices, and when serial channel situation changes, cause the transmission loss of high-speed serial signals balanced beyond DFE
During the regulating power scope of device, the problem of service transmission quality is affected.The technical scheme is as follows：
In a first aspect, the embodiments of the invention provide a kind of processing method of high-speed serial signals, being performed by receiving terminal, methods described includes：
Business datum and control information are carried in the data flow that receiving end/sending end is sent, the data flow, the control information is used to indicate to carry out preemphasis processing to the high-speed serial signals that the receiving terminal is sent；
Obtain the control information in the data flow；
Preemphasis processing is carried out to high-speed serial signals according to the control information got.
Specifically, the data flow includes multiple messages, and the multiple message includes service message and control message, and the business datum is carried in the service message, and the control information is carried in the control message.
Further, the control information obtained in the data flow, including：
Each message in the multiple message is parsed, the lead code of each message is obtained；
The message that lead code in the multiple message is default lead code is obtained, the default lead code is used to indicate that it is control message to carry the message of the default lead code；
The control information is obtained from the control message of acquisition；
Or, the control information obtained in the data flow, including：
Each message in the multiple message is parsed, the VLAN Vlan labels of each message are obtained；
The message that Vlan labels in the multiple message are default Vlan labels is obtained, the default Vlan labels are used to indicate that it is control message to carry the message of the default Vlan labels；
The control information is obtained from the control message of acquisition.
Specifically, the data flow includes service message and the idle gap between the adjacent service message, and the business datum is carried in the service message, and the control information is carried in the idle gap.
Further, the control information includes：Regulating command, the equilibrium state of the transmitting terminal, the regulating power scope of the transmitting terminal, the regulating command are used for the equilibrium state for indicating that the receiving terminal adjusts the receiving terminal.
Second aspect, the embodiments of the invention provide a kind of processing method of high-speed serial signals, is performed, methods described includes by transmitting terminal：
Generate and business datum and control information are carried in data flow, the data flow, the control information is used
In the high-speed serial signals progress preemphasis processing for indicating that receiving terminal is sent to the receiving terminal；
The data flow is sent to the receiving terminal.
Specifically, the data flow includes multiple messages, and the multiple message includes service message and control message, and the business datum is carried in the service message, and the control information is carried in the control message.
The third aspect, the embodiments of the invention provide a kind of processing unit of high-speed serial signals, is set in the receiving end, described device includes：
Business datum and control information are carried in receiving module, the data flow sent for receiving end/sending end, the data flow, the control information is used to indicate to carry out preemphasis processing to the high-speed serial signals that the receiving terminal is sent；
Acquisition module, for obtaining the control information in the data flow；
Processing module, for carrying out preemphasis processing to high-speed serial signals according to the control information got.
Specifically, the data flow includes multiple messages, and the multiple message includes service message and control message, and the business datum is carried in the service message, and the control information is carried in the control message.
Further, the acquisition module, including：
Message process unit, for parsing each message in the multiple message, obtains the lead code of each message；
Receive message unit, for obtaining the message that lead code in the multiple message is default lead code, the default lead code is used to indicate that it is control message to carry the message of the default lead code；
Control information acquiring unit, for obtaining the control information from the control message of acquisition；
The message process unit, is additionally operable to parse each message in the multiple message, obtains the VLAN Vlan labels of each message；
The Receive message unit, is additionally operable to obtain the message that Vlan labels in the multiple message are default Vlan labels, and the default Vlan labels are used to indicate that it is control message to carry the message of the default Vlan labels；
The control information acquiring unit, is additionally operable to obtain the control information from the control message of acquisition.
Specifically, between free time of the data flow including service message and between the adjacent service message
Gap, the business datum is carried in the service message, and the control information is carried in the idle gap.
Further, the control information includes：Regulating command, the equilibrium state of the transmitting terminal, the regulating power scope of the transmitting terminal, the regulating command are used for the equilibrium state for indicating that the receiving terminal adjusts the receiving terminal.
Fourth aspect, the embodiments of the invention provide a kind of processing unit of high-speed serial signals, is arranged in transmitting terminal, described device includes：
Generation module, business datum and control information are carried for generating in data flow, the data flow, the control information is used to indicate that the high-speed serial signals that receiving terminal sends the receiving terminal carry out preemphasis processing；
Sending module, for sending the data flow to the receiving terminal.
Specifically, the data flow includes multiple messages, and the multiple message includes service message and control message, and the business datum is carried in the service message, and the control information is carried in the control message.
5th aspect, the embodiments of the invention provide a kind of processing unit of high-speed serial signals, described device includes：
Processor, memory, bus and communication interface；The memory is used to store computer executed instructions, the processor is connected with the memory by the bus, when the computer is run, the computer executed instructions of memory storage described in the computing device, so that the computer performs the method as described in above-mentioned first aspect.
6th aspect, the embodiments of the invention provide a kind of processing unit of high-speed serial signals, described device includes：
Processor, memory, bus and communication interface；The memory is used to store computer executed instructions, the processor is connected with the memory by the bus, when the computer is run, the computer executed instructions of memory storage described in the computing device, so that the computer performs the method as described in above-mentioned second aspect.
The beneficial effect of technical scheme provided in an embodiment of the present invention is：
The data flow for carrying control information sent by first receiving end/sending end, the control information is used to indicate
The high-speed serial signals that receiving terminal is sent to receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Technical scheme in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is briefly described, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of application scenarios schematic diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of the processing method for high-speed serial signals that the embodiment of the present invention one is provided；
Fig. 3 is a kind of flow chart of the processing method for high-speed serial signals that the embodiment of the present invention two is provided；
Fig. 4 is a kind of interaction figure of the processing method for high-speed serial signals that the embodiment of the present invention three is provided；
Fig. 5 is a kind of interaction figure of the processing method for high-speed serial signals that the embodiment of the present invention four is provided；
Fig. 6 is a kind of structural representation of the processing unit for high-speed serial signals that the embodiment of the present invention five is provided；
Fig. 7 is a kind of structural representation of the processing unit for high-speed serial signals that the embodiment of the present invention six is provided；
Fig. 8 is a kind of structural representation of the processing unit for high-speed serial signals that the embodiment of the present invention seven is provided；
Fig. 9 is a kind of structural representation of the processing unit for high-speed serial signals that the embodiment of the present invention eight is provided；
Figure 10 is a kind of structural representation of the processing unit for high-speed serial signals that the embodiment of the present invention nine is provided；
Figure 11 is a kind of structural representation of the processing unit for high-speed serial signals that the embodiment of the present invention ten is provided.
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
For the ease of understanding the solution of the present invention, with reference to Fig. 1, the network architecture of the invention is sketched.Referring to Fig. 1, the network architecture includes：Receiving terminal 1 and transmitting terminal 2, receiving terminal 1 and transmitting terminal 2 are the communication equipment for carrying out high-speed serial communication, it can be connected between receiving terminal 1 and transmitting terminal 2 by least one pair of serial channel 3, in actual applications, receiving terminal 1 and transmitting terminal 2 can be terminal device or IC chip, and serial channel 3 can be high-speed cable or printed circuit board backboard.
Wherein, receiving terminal 1 includes serializer 11, the deserializer 12 for receiving high-speed serial signals, processor 13, inserter 14 and the separator 15 for being used to send high-speed serial signals, inserter 14 is electrically connected with serializer 11 and processor 13 respectively, separator 15 is electrically connected with deserializer 12 and processor 13 respectively, specifically, inserter 14 is used to carry control information in a stream, sent by serializer 11, and separator 15 isolates control information in being used for the data flow that is received from deserializer 12.Serializer 11 includes being used for the FFE balanced devices 111 that the high-speed serial signals of transmission are carried out with preemphasis processing, deserializer 12 includes being used for the DFE balanced devices 121 that the high-speed serial signals received are carried out with adaptive frequency compensation regulation, FFE balanced devices 111 and DFE balanced devices 121 are electrically connected with processor 13, processor 13 is used for the control information isolated according to separator 15, and control FFE balanced devices 111 and DFE balanced devices 121 are handled high-speed serial signals.In actual applications, inserter 14 and separator 15 can be realized by hardware circuit.
Transmitting terminal 2 is to be connected with the mutually isostructural communication equipment of receiving terminal 1, the serializer 11 of receiving terminal 1 with the deserializer 12 of transmitting terminal 2 by a serial channel 3, and the serializer 11 of transmitting terminal 2 is connected with the deserializer 12 of receiving terminal 1 also by a serial channel 3.In actual applications, each pair serializer 11 and deserializer 12 that receiving terminal 1 and transmitting terminal 2 may each comprise in multipair serializer 11 and deserializer 12, receiving terminal 1 are connected with a pair of the deserializers 12 and serializer 11 in transmitting terminal 2 by a pair of serial channels 3.
It should be noted that receiving terminal 1 is to have mutually isostructural communication equipment with transmitting terminal 2, the function of realization is also identical, and they are without difference substantially, and receiving terminal in the present embodiment can be transmitting terminal in other embodiments.
Embodiment one
The embodiments of the invention provide a kind of processing method of high-speed serial signals, performed by receiving terminal, referring to Fig. 2, this method includes：
Business datum and control information are carried in step S11, the data flow that receiving end/sending end is sent, the data flow, the control information is used to indicate to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent.
In one implementation, control information can be carried in control message (see embodiment three), and in another implementation, control information can be carried in idle gap (see example IV).
Specifically, control information is used to indicate that the FFE balanced devices of receiving terminal to re-start preemphasis processing to high-speed serial signals, with the transmission loss for the high-speed serial signals for compensating receiving terminal transmission.The control information can include：The regulating power scope of regulating command, the equilibrium state of transmitting terminal and transmitting terminal, regulating command is used for the equilibrium state for indicating that receiving terminal adjusts receiving terminal.
Step S12, obtains the control information in data flow.
Step S13, high-speed serial signals preemphasis processing is carried out according to the control information got.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Embodiment two
The embodiments of the invention provide a kind of processing method of high-speed serial signals, performed by transmitting terminal, referring to Fig. 3, this method includes：
Step S21, generates and business datum and control information is carried in data flow, the data flow, and control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing.
In one implementation, control information can be carried in control message (see embodiment three), and in another implementation, control information can be carried in idle gap (see example IV).
Specifically, control information is used to indicate that the FFE balanced devices of receiving terminal to re-start preemphasis processing to high-speed serial signals, with the transmission loss for the high-speed serial signals for compensating receiving terminal transmission.The control information can include：The regulating power scope of regulating command, the equilibrium state of transmitting terminal and transmitting terminal, regulating command is used for the equilibrium state for indicating that receiving terminal adjusts receiving terminal.
Step S22, data flow is sent to receiving terminal.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Embodiment three
The embodiments of the invention provide a kind of processing method of high-speed serial signals, suitable for transmission Ethernet message or the high-speed cable or printed circuit board backboard of similar message, in the present embodiment, control information is carried in control message, control message has different marks from the service message for carrying business datum, for example with different lead codes or different VLANs (Virtual Local Area Network, referred to as " Vlan ") label.Referring to Fig. 4, this method includes：
Step S31, transmitting terminal generation data flow, and handshake information is carried in a stream, the handshake information is used to verify whether receiving terminal can recognize control message.
Specifically, data flow include it is multiple be used to carry the service messages of business datum, handshake information is carried in a stream will carry the control message of handshake information and be inserted in transmission between service message.When realizing, step S31 can be realized by the inserter in Fig. 1.
In the present embodiment, control information is carried in control message, it is necessary to which first can checking receiving terminal recognize control message before transmitting terminal sends control message to receiving terminal, if receiving terminal can recognize control message, transmitting terminal can just send the control message for carrying control information to receiving terminal.
Alternatively, the handshake information can be carried in lead code as in the message (controlling message) of default lead code, or the handshake information can be carried in the message with default Vlan labels, default lead code is different from the lead code of service message, and default Vlan labels are different from the Vlan labels of service message.Can receiving terminal recognize handshake information by judging, can verify whether receiving terminal can recognize control message.
Step S32, transmitting terminal sends the data flow for carrying handshake information to receiving terminal.
In the present embodiment, transmitting terminal sends data flow by serializer to receiving terminal.
Step S33, receiving terminal sends response message to transmitting terminal, and the response message is used to represent that receiving terminal can recognize control message.
Specifically, when receiving terminal can obtain the handshake information carried in data flow, represent that receiving terminal can recognize control message and obtain information therein, that is, support to carry control information using control message, now, receiving terminal can send response message to transmitting terminal.It is readily apparent that, if receiving terminal can not obtain the handshake information carried in data flow, response message will not be sent to transmitting terminal.Sent likewise, the response message can be carried in the data flow that receiving terminal is sent to transmitting terminal.
Step S34, receiving terminal sends identification code to transmitting terminal, and the identification code is used to carry in control message for transmitting terminal.
It should be noted that during actual high-speed serial communication, there is certain probability, it may appear that mistake or interference message are doped into data flow.In the present embodiment, in order to ensure that receiving terminal receives the reliability of control message, receiving terminal can distribute identification code to transmitting terminal, and the identification code is used to carry in control message for transmitting terminal, so that receiving terminal can recognize that what is received controls message to be sent for transmitting terminal.
Optionally, identification code can be carried in the response message that receiving terminal is sent to transmitting terminal, it would however also be possible to employ single message is carried.
Step S35, transmitting terminal sends the data flow for carrying control information to receiving terminal, and the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing.
Specifically, after transmitting terminal receives the response message of receiving terminal transmission, control information will be carried in a stream, is sent to receiving terminal.Transmitting terminal to receiving terminal when sending control information, it is possible to use inserter, and the control message for carrying control information is inserted into the service message of data flow.That is, the data flow includes multiple messages, multiple messages include the service message for carrying business datum and the control message for carrying control information.As it was previously stated, the control message for carrying control information can be in the message with default lead code, or it can also be the message with default Vlan labels.
Wherein, control information is used to indicate that the FFE balanced devices of receiving terminal to re-start preemphasis processing to high-speed serial signals, with the transmission loss for the high-speed serial signals for compensating receiving terminal transmission.Specifically, the control information can include：The regulating power scope of regulating command, the equilibrium state of transmitting terminal and transmitting terminal, regulating command is used for the equilibrium state for indicating that receiving terminal adjusts receiving terminal.
Step S36, receiving terminal obtains the control information in data flow.
Specifically, when it is the message with default lead code to carry control information, above-mentioned steps S36 can be realized in the following way：
Each message in multiple messages is parsed, the lead code of each message is obtained；
The message that lead code in multiple messages is default lead code is obtained, the default lead code is used to indicate that it is control message to carry the message of default lead code；
Control information is obtained from the control message of acquisition.
In the present embodiment, each message of data flow is transmitted in frame structure form in ethernet networks, the default lead code can be AAAAAAAAAAAAD5, the lead code of message will be controlled to be set to AAAAAAAAAAAAD5, at the same time it can also which the lead code of service message is set into 55555555555555D5, the separator of such receiving terminal can be separated control message with convenient from data flow, and processor is transmitted it to, to obtain the control information carried in control message.
Or, when it is the message with default Vlan labels to carry control information, above-mentioned steps S36 can be realized in the following way：
Each message in multiple messages is parsed, the Vlan labels of each message are obtained；
The message that Vlan labels in multiple messages are default Vlan labels is obtained, the default Vlan labels are used to indicate that it is control message to carry the message of default Vlan labels；
Control information is obtained from the control message of acquisition.
In the present embodiment, Vlan labels can be set in control message, the Vlan labels in control message is recognized by separator, easily can separate control message from data flow.In actual applications, Vlan labels can be arranged in the data frame of Ethernet message " transmission source MAC layer (Media Access Control, referred to as " MAC ") address " between " classification/length field (Type/Len) ".
Step S37, receiving terminal carries out preemphasis processing according to the control information got to high-speed serial signals.
In the present embodiment, receiving terminal sends the control information got to the FFE balanced devices of receiving terminal, FFE balanced devices are after control information is received, pre-emphasis parameters can be readjusted according to control information, and then the carry out preemphasis processing of the high-speed serial signals sent again to receiving terminal.
As it was previously stated, the control information can include：The regulating power scope of regulating command, the equilibrium state of transmitting terminal and transmitting terminal.In the present embodiment, regulating command is used to indicate that receiving terminal adjusts the pre-emphasis parameters of its FFE balanced device, so that the high-speed serial signals that receiving terminal is sent are re-started with preemphasis processing；The equilibrium state of transmitting terminal refer to using balancing technique be adjusted when, the equilibrium state of the DFE balanced devices of transmitting terminal；The regulating power scope of transmitting terminal refer to using balancing technique be adjusted when, the regulating power scope of the DFE balanced devices of transmitting terminal.
In actual applications, the processor of receiving terminal can also obtain the equilibrium state of receiving terminal FFE balanced devices and the regulating power scope of receiving terminal FFE balanced devices in real time.The processor of receiving terminal can first judge to perform whether the regulating command can exceed the regulating power scope of receiving terminal FFE balanced devices in the regulating command in receiving control information.If processor judges to perform the regulating command received, receiving terminal FFE can be exceeded
The regulating power scope of balanced device, then processor be not carried out the regulating command received；If it is determined that without departing from the regulating power scope of receiving terminal FFE balanced devices, then the regulating command that computing device is received.For example：The equilibrium state of receiving terminal FFE balanced devices is+3, the regulating power scope of receiving terminal FFE balanced devices is -10 to+10, regulating command indicates the equilibrium state up-regulation 3 of FFE balanced devices, then perform after the regulating command, the equilibrium state of FFE balanced devices is+6, without departing from the regulating power scope of FFE balanced devices, the processor of receiving terminal can perform the regulating command.
In addition, if receiving terminal receives regulating command and indicates the regulation that receiving terminal is made, without departing from receiving terminal FFE balanced devices regulating power scope when, receiving terminal is according to the equilibrium states of the DFE balanced devices of transmitting terminal and the regulating power scope of the DFE balanced devices of transmitting terminal, the high-speed serial signals by the processing of preemphasis again are judged when transmitting to transmitting terminal, and whether its transmission loss can exceed the regulating power scope of transmitting terminal DFE balanced devices.If it is determined that beyond the regulating power scope of transmitting terminal DFE balanced devices, then receiving terminal can indicate that transmitting terminal continues to send control message, if it is determined that without departing from the regulating power scope of transmitting terminal DFE balanced devices, then receiving terminal can indicate that transmitting terminal stops sending control message.
And, the processor of receiving terminal can also obtain the regulating power scope of the equilibrium state of the DFE balanced devices of receiving terminal and the DFE balanced devices of receiving terminal in real time, when receiving the data flow of transmitting terminal transmission, it can detect whether the transmission loss for the high-speed serial signals that transmitting terminal is sent exceeds the regulating power scope of receiving terminal DFE balanced devices, if exceeded, then receiving terminal can be according to the transmission loss situations of above-mentioned high-speed serial signals, the regulating power scope of receiving terminal DFE balanced devices, and the equilibrium state of receiving terminal DFE balanced devices, generate control information, and carry the control information of growth in control message, send to transmitting terminal.
It should be noted that, receiving terminal and transmitting terminal are the equipment with identical 26S Proteasome Structure and Function, state in other embodiments, receiving terminal can perform the function of above-mentioned steps S31 transmitting terminals into step S37, transmitting terminal can perform the function of above-mentioned steps S31 receiving terminals into step S37, not be limited here.In addition, the method described in the present embodiment is applicable but is not limited to SerDes technologies.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Example IV
The embodiments of the invention provide a kind of processing method of high-speed serial signals, suitable for transmission Ethernet message or the high-speed cable or printed circuit board backboard of similar message, in the present embodiment, control information is carried in the idle gap between the service message of data flow.Referring to Fig. 5, this method includes：
Business datum and control information are carried in step S41, transmitting terminal generation data flow, the data flow, control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing.
Specifically, the data flow includes service message and the idle gap between adjacent service message, and business datum is carried in service message, and control information is carried in idle gap.
In the present embodiment, the service message in data flow is existence time interval in transmitting procedure, and idle gap is to be used to be filled in these time intervals, so that data flow keeps not interrupting continuously.In a stream, except using control message in addition to carrying control information, control information can also be carried using idle gap.For example：When receiving terminal and transmitting terminal are communicated by Ethernet, message in the data flow that transmitting terminal is sent to receiving terminal, can pass through encapsulation process, be transmitted in the form of one by one, and having frame gap between frame and frame, the idle gap in data flow can be above-mentioned frame gap.In Ethernet, above-mentioned frame gap includes minimum frame gap (comprising 12 characters), it is possible to use the minimum frame gap is carried during control information, specifically, preceding 3 characters in 12 characters and rear 3 characters can be retained, choose 6 middle characters to carry control information.
In actual applications, receiving terminal and transmitting terminal are before high-speed serial communication is set up, link negotiation can be carried out, to determine the transmission rate between transmitting terminal and receiving terminal, transmission bandwidth etc., and in embodiments of the present invention, during link negotiation, transmitting terminal and receiving terminal can also consult whether control information can be carried using idle gap.Specifically, transmitting terminal and receiving terminal can voluntarily detect whether it possesses whether the function and the function of carrying control information in idle gap open respectively, and interaction testing result, to determine whether to carry control information using idle gap.
Step S42, transmitting terminal sends data flow to receiving terminal.
In the present embodiment, transmitting terminal is carried in idle gap before control information, handshake information first can be sent to receiving terminal, the handshake information is used to verify whether receiving terminal can recognize the control information in idle gap, and the handshake information is carried in the idle gap of data flow.If receiving terminal can recognize handshake information, show that receiving terminal can recognize the control information in idle gap.Accordingly, when receiving terminal can recognize handshake information, response message can be sent to transmitting terminal, the response message is equally carried in the idle gap that receiving terminal is sent to the data flow of transmitting terminal.
Step S43, receiving terminal obtains the control information in the data flow after data flow is received.
In the present embodiment, receiving terminal is after data flow is received, and the idle gap in processor parsing data flow obtains the control information of idle gap carrying.
Step S44, receiving terminal carries out preemphasis processing according to the control information got to high-speed serial signals.
Specifically, the control information includes：The regulating power scope of regulating command, the equilibrium state of transmitting terminal and transmitting terminal, regulating command is used for the equilibrium state for indicating that receiving terminal adjusts receiving terminal.
In the present embodiment, receiving terminal is got after control information, and the process of preemphasis processing is carried out with unanimously, being repeated no more here in embodiment three to the high-speed serial signals of transmission.
It should be noted that, receiving terminal and transmitting terminal are the equipment with identical 26S Proteasome Structure and Function, state in other embodiments, receiving terminal can perform the function of above-mentioned steps S41 transmitting terminals into step S44, transmitting terminal can perform the function of above-mentioned steps S41 receiving terminals into step S44, not be limited here.In addition, the method described in the present embodiment is applicable but is not limited to SerDes technologies.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Embodiment five
The embodiments of the invention provide a kind of processing unit of high-speed serial signals, it can set in the receiving end, it is adaptable to realize the method that embodiment one is provided, referring to Fig. 6, the device includes：Receiving module 401, acquisition module 402 and processing module 403.
Business datum and control information are carried in receiving module 401, the data flow sent for receiving end/sending end, the data flow, control information is used to indicate to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent.
Acquisition module 402, for obtaining the control information in data flow.
Processing module 403, for carrying out preemphasis processing to high-speed serial signals according to the control information got.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Embodiment six
The embodiments of the invention provide a kind of processing unit of high-speed serial signals, it can set in the receiving end, it is adaptable to realize the method that embodiment one, three and four is provided, referring to Fig. 7, the device includes：Receiving module 501, acquisition module 502 and processing module 503.
Business datum and control information are carried in receiving module 501, the data flow sent for receiving end/sending end, the data flow, control information is used to indicate to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent.
Acquisition module 502, for obtaining the control information in data flow.
Processing module 503, for carrying out preemphasis processing to high-speed serial signals according to the control information got.
In actual applications, receiving module 501 can be deserializer, and acquisition module 502 can be separator and processor, and processing module 503 can be deserializer.
Specifically, data flow includes multiple messages, and multiple messages include service message and control message, and business datum is carried in service message, and control information is carried in control message.
Further, acquisition module 502 includes：Message process unit 512, Receive message unit 522 and control information acquiring unit 532.
Message process unit 512, for parsing each message in multiple messages, obtains the lead code of each message.
Receive message unit 522, for obtaining the message that lead code in multiple messages is default lead code, presetting lead code is used to indicate that it is control message to carry the message of default lead code.
Control information acquiring unit 532, for obtaining control information from the control message got.
In the present embodiment, each message of data flow is transmitted in frame structure form in ethernet networks, and this is preset
Lead code can be AAAAAAAAAAAAD5, the lead code of message will be controlled to be set to AAAAAAAAAAAAD5, simultaneously, the lead code of service message can also be set to 55555555555555D5, so the separator of receiving terminal can be separated control message with convenient from data flow, and processor is transmitted it to, to obtain the control information carried in control message.
Alternatively, message process unit 512, are additionally operable to parse each message in multiple messages, obtain the Vlan labels of each message.
Receive message unit 522, is additionally operable to obtain the message that Vlan labels in multiple messages are default Vlan labels, and presetting Vlan labels is used to indicate that it is control message to carry the message of default Vlan labels.
Control information acquiring unit 532, is additionally operable to obtain control information from the control message of acquisition.
In the present embodiment, Vlan labels can be set in control message, the Vlan labels in control message is recognized by separator, easily can separate control message from data flow.In actual applications, Vlan labels can be arranged in the data frame of Ethernet message between " transmission source MAC " and " classification/length field (Type/Len) ".
In actual applications, message process unit 512 and Receive message unit 522 can be separator.
Further, handshake information is also carried in data flow, the handshake information is used to verify whether receiving terminal can recognize control message.
Before control message is received,
Acquisition module 502, is additionally operable to obtain the handshake information in data flow.
The device also includes：
Sending module 504, for sending response message to transmitting terminal, response message is used to represent that receiving terminal can recognize control message.
In the present embodiment, the handshake information can be carried in lead code as in the message (controlling message) of default lead code, or the handshake information can be carried in the message with default Vlan labels, default lead code is different from the lead code of service message, and default Vlan labels are different from the Vlan labels of service message.Can receiving terminal recognize handshake information by judging, can verify whether receiving terminal can recognize control message.
In actual applications, sending module 504 can be deserializer.
Further, after response message is sent, and before control message is received,
Sending module 504, is additionally operable to send identification code to transmitting terminal, identification code is used to carry in each message of data flow for transmitting terminal.
It should be noted that during actual high-speed serial communication, having certain probability, it may appear that mistake
Or interference message is doped into data flow.In the present embodiment, in order to ensure that receiving terminal receives the reliability of control message, receiving terminal can distribute identification code to transmitting terminal, and the identification code is used to carry in control message for transmitting terminal, so that receiving terminal can recognize that what is received controls message to be sent for transmitting terminal.
Specifically, data flow includes service message and the idle gap between adjacent service message, and business datum is carried in service message, and control information is carried in idle gap.
In the present embodiment, control information can have both been carried in control message, can also be carried in idle gap.
In the present embodiment, the service message in data flow is existence time interval in transmitting procedure, and idle gap is to be used to be filled in these time intervals, so that data flow keeps not interrupting continuously.In a stream, except using control message in addition to carrying control information, control information can also be carried using idle gap.For example：When receiving terminal and transmitting terminal are communicated by Ethernet, message in the data flow that transmitting terminal is sent to receiving terminal, can pass through encapsulation process, be transmitted in the form of one by one, and having frame gap between frame and frame, the idle gap in data flow can be above-mentioned frame gap.In Ethernet, above-mentioned frame gap includes minimum frame gap (comprising 12 characters), it is possible to use the minimum frame gap is carried during control information, specifically, preceding 3 characters in 12 characters and rear 3 characters can be retained, choose 6 middle characters to carry control information.
Further, control information includes：Regulating command, the equilibrium state of transmitting terminal, the regulating power scope of transmitting terminal, regulating command are used for the equilibrium state for indicating that receiving terminal adjusts receiving terminal.
In the present embodiment, the process that receiving terminal carries out preemphasis processing according to control information to high-speed serial signals has been described above in above-described embodiment 3 and 4, does not repeat here.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Embodiment seven
The embodiments of the invention provide a kind of processing unit of high-speed serial signals, transmitting terminal can be arranged on
In, it is adaptable to the method that embodiment two is provided is realized, referring to Fig. 8, the device includes：Generation module 601 and sending module 602.
Generation module 601, business datum and control information are carried for generating in data flow, data flow, control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing.
Sending module 602, for sending data flow to receiving terminal.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Embodiment eight
The embodiments of the invention provide a kind of processing unit of high-speed serial signals, it can be arranged in transmitting terminal, it is adaptable to realize the method that embodiment two, three and four is provided, referring to Fig. 8, the device includes：Generation module 701 and sending module 702.
Generation module 701, business datum and control information are carried for generating in data flow, data flow, control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing.
Sending module 702, for sending data flow to receiving terminal.
In actual applications, generation module 701 can be processor and inserter.Sending module 702 can be serializer.
Specifically, data flow includes multiple messages, and multiple messages include service message and control message, and business datum is carried in service message, and control information is carried in control message.
Further, handshake information is also carried in data flow, handshake information is used to verify whether receiving terminal can recognize control message.
Before control message is sent, the device also includes：Receiving module 703.
Receiving module 703, the response message for receiving receiving terminal transmission, response message is used to represent that receiving terminal can recognize control message.
In the present embodiment, the handshake information can be carried in the message that lead code is default lead code (i.e.
Control message) in, or the handshake information can be carried in the message with default Vlan labels, default lead code is different from the lead code of service message, and default Vlan labels are different from the Vlan labels of service message.Can receiving terminal recognize handshake information by judging, can verify whether receiving terminal can recognize control message.
In actual applications, receiving module 703 can be deserializer.
Further, after receiving the response message, and before control message is sent,
Receiving module 703, is additionally operable to receive the identification code that receiving terminal is sent.
Sending module 702, is additionally operable to identification code carrying being sent to transmitting terminal in control message.
It should be noted that during actual high-speed serial communication, there is certain probability, it may appear that mistake or interference message are doped into data flow.In the present embodiment, in order to ensure that receiving terminal receives the reliability of control message, receiving terminal can distribute identification code to transmitting terminal, and the identification code is used to carry in control message for transmitting terminal, so that receiving terminal can recognize that what is received controls message to be sent for transmitting terminal.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Embodiment nine
The embodiments of the invention provide a kind of processing unit of high-speed serial signals, referring to Figure 10, the device includes：Processor 801, memory 802, bus 803 and communication interface 804.Wherein, memory 802 is used to store computer executed instructions, processor 801 is connected with memory 802 by bus 803, when the computer is run, processor 801 performs the computer executed instructions that memory 802 is stored, so that the method that receiving terminal is performed in computer execution embodiment one, embodiment three and example IV.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, high speed serialization is caused
When the transmission loss of signal exceeds the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
Embodiment ten
The embodiments of the invention provide a kind of processing unit of high-speed serial signals, referring to Figure 11, the device includes：Processor 901, memory 902, bus 903 and communication interface 904.Wherein, memory 902 is used to store computer executed instructions, processor 901 is connected with memory 902 by bus 903, when the computer is run, processor 901 performs the computer executed instructions that memory 902 is stored, so that the method that transmitting terminal is performed in computer execution embodiment two, embodiment three and example IV.
The data flow for carrying control information that the embodiment of the present invention is sent by first receiving end/sending end, the control information is used to indicate that the high-speed serial signals that receiving terminal sends receiving terminal carry out preemphasis processing；Then the control information in data flow is obtained；Preemphasis processing is carried out to high-speed serial signals finally according to the control information got.So during high-speed serial communication, when serial channel situation changes, when causing the transmission loss of high-speed serial signals beyond the regulating power scope of DFE balanced devices, receiving terminal can be by obtaining control information from data flow in real time, to carry out preemphasis processing to the high-speed serial signals that receiving terminal is sent, so that the regulating power of the DFE balanced devices of transmitting terminal is enough that the high-speed serial signals received are adjusted, the transmission quality of high-speed serial signals had so both been ensured, the reliability of business data transmission has been ensured again.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
It should be noted that：The processing unit for the high-speed serial signals that above-described embodiment is provided is when realizing the processing method of high-speed serial signals, only it is illustrated with the division of above-mentioned each functional module, in practical application, it can as needed and by above-mentioned functions distribute and be completed by different functional modules, the internal structure of device is divided into different functional modules, to complete all or part of function described above.In addition, the processing unit of high-speed serial signals and the processing method embodiment of high-speed serial signals that above-described embodiment is provided belong to same design, it implements process and refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that realizing all or part of step of above-described embodiment can be completed by hardware, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (14)
- A kind of processing method of high-speed serial signals, is performed, it is characterised in that methods described includes by receiving terminal：Business datum and control information are carried in the data flow that receiving end/sending end is sent, the data flow, the control information is used to indicate to carry out preemphasis processing to the high-speed serial signals that the receiving terminal is sent；Obtain the control information in the data flow；Preemphasis processing is carried out to high-speed serial signals according to the control information got.
- According to the method described in claim 1, it is characterised in that the data flow includes multiple messages, the multiple message includes service message and control message, and the business datum is carried in the service message, and the control information is carried in the control message.
- Method according to claim 2, it is characterised in that the control information in the acquisition data flow, including：Each message in the multiple message is parsed, the lead code of each message is obtained；The message that lead code in the multiple message is default lead code is obtained, the default lead code is used to indicate that it is control message to carry the message of the default lead code；The control information is obtained from the control message of acquisition；Or, the control information obtained in the data flow, including：Each message in the multiple message is parsed, the VLAN Vlan labels of each message are obtained；The message that Vlan labels in the multiple message are default Vlan labels is obtained, the default Vlan labels are used to indicate that it is control message to carry the message of the default Vlan labels；The control information is obtained from the control message of acquisition.
- According to claim 1, method, it is characterised in that the data flow includes service message and the idle gap between the adjacent service message, the business datum is carried in the service message, and the control information is carried in the idle gap.
- Method according to claim any one of 1-4, it is characterised in that the control information includes：Regulating command, the equilibrium state of the transmitting terminal, the regulating power scope of the transmitting terminal, the regulating command are used for the equilibrium state for indicating that the receiving terminal adjusts the receiving terminal.
- A kind of processing method of high-speed serial signals, is performed, it is characterised in that methods described includes by transmitting terminal：Generate and business datum and control information are carried in data flow, the data flow, the control information is used to indicate that the high-speed serial signals that receiving terminal sends the receiving terminal carry out preemphasis processing；The data flow is sent to the receiving terminal.
- Method according to claim 6, it is characterised in that the data flow includes multiple messages, the multiple message includes service message and control message, and the business datum is carried in the service message, and the control information is carried in the control message.
- A kind of processing unit of high-speed serial signals, is set in the receiving end, it is characterised in that described device includes：Business datum and control information are carried in receiving module, the data flow sent for receiving end/sending end, the data flow, the control information is used to indicate to carry out preemphasis processing to the high-speed serial signals that the receiving terminal is sent；Acquisition module, for obtaining the control information in the data flow；Processing module, for carrying out preemphasis processing to high-speed serial signals according to the control information got.
- Device according to claim 8, it is characterised in that the data flow includes multiple messages, the multiple message includes service message and control message, and the business datum is carried in the service message, and the control information is carried in the control message.
- Device according to claim 9, it is characterised in that the acquisition module, including：Message process unit, for parsing each message in the multiple message, obtains the lead code of each message；Receive message unit, for obtaining the message that lead code in the multiple message is default lead code, the default lead code is used to indicate that it is control message to carry the message of the default lead code；Control information acquiring unit, for obtaining the control information from the control message of acquisition；The message process unit, is additionally operable to parse each message in the multiple message, obtains the VLAN Vlan labels of each message；The Receive message unit, is additionally operable to obtain the message that Vlan labels in the multiple message are default Vlan labels, and the default Vlan labels are used to indicate that it is control message to carry the message of the default Vlan labels；The control information acquiring unit, is additionally operable to obtain the control information from the control message of acquisition.
- Device according to claim 8, it is characterised in that the data flow includes service message And the idle gap between the adjacent service message, the business datum carrying is in the service message, and the control information is carried in the idle gap.
- Device according to claim any one of 8-11, it is characterised in that the control information includes：Regulating command, the equilibrium state of the transmitting terminal, the regulating power scope of the transmitting terminal, the regulating command are used for the equilibrium state for indicating that the receiving terminal adjusts the receiving terminal.
- A kind of processing unit of high-speed serial signals, is arranged in transmitting terminal, it is characterised in that described device includes：Generation module, business datum and control information are carried for generating in data flow, the data flow, the control information is used to indicate that the high-speed serial signals that receiving terminal sends the receiving terminal carry out preemphasis processing；Sending module, for sending the data flow to the receiving terminal.
- Device according to claim 13, it is characterised in that the data flow includes multiple messages, the multiple message includes service message and control message, and the business datum is carried in the service message, and the control information is carried in the control message.
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| PCT/CN2015/080929 WO2016192112A1 (en) | 2015-06-05 | 2015-06-05 | Method and apparatus for processing high-speed serial signal |
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| CN113556633A (en) * | 2020-04-23 | 2021-10-26 | 华为技术有限公司 | Service signal recovery method, device and system |
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