CN106788898A - Frame transmission method and device - Google Patents
Frame transmission method and device Download PDFInfo
- Publication number
- CN106788898A CN106788898A CN201611253185.2A CN201611253185A CN106788898A CN 106788898 A CN106788898 A CN 106788898A CN 201611253185 A CN201611253185 A CN 201611253185A CN 106788898 A CN106788898 A CN 106788898A
- Authority
- CN
- China
- Prior art keywords
- frame
- data
- indication field
- pattern
- frame pattern
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 abstract description 20
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 238000013507 mapping Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- 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
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
Abstract
The invention discloses a frame transmission method and a frame transmission device, and relates to the technical field of communication. The communication node generates a data frame, wherein the data frame comprises an arbitration field, the arbitration field comprises a frame mode indication field, and the frame mode indication field is used for indicating the frame mode of the data frame, so as to transmit the generated data frame. In the invention, the communication node directly identifies the frame mode of the data frame, thereby quickly and accurately determining the type of the information carried by the data frame and greatly improving the transmission efficiency of the control information and the data information.
Description
Technical field
The present invention relates to communication technical field, more particularly to frame transmission method and device.
Background technology
Controller LAN (Controller Area Network, CAN) bus is a kind of for the serial of real-time application
Communications protocol bus, is a kind of mechanism of point-to-multipoint, and the industry of logical tool, textile machine, farm machinery, machine have been applied at present
The numerous areas such as device people, Digit Control Machine Tool, medicine equipment and sensor.
With the rapid enhancing of communications device functions, the diversity and complexity of equipment are also improved therewith, in the case,
The transmittability of control information faces big challenge in communication system.In the prior art, carried out using data frame in CAN protocol
During the transmission of control information, it is impossible to type of control information etc. is made and is fast and accurately recognized so that communication system control letter
The efficiency of transmission of breath is low.
The content of the invention
The embodiment of the invention provides a kind of frame transmission method and device.Aim to solve the problem that the transmission of communication system control information
The problem of inefficiency.In order to some aspects to the embodiment for disclosing have a basic understanding, shown below is simple
Summarize.The summarized section is not extensive overview, nor to determine key/critical component or describe the guarantor of these embodiments
Shield scope.Its sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
First aspect according to embodiments of the present invention, there is provided a kind of frame transmission method, methods described includes：
Generation data frame, the data frame includes arbitration field, and the arbitration includes frame pattern indication field, the frame mould
Formula indication field is used to indicate the frame pattern of the data frame；
Send the data frame.
Second aspect according to embodiments of the present invention, there is provided a kind of frame transmission method, methods described includes：
Data frame is received, the data frame includes arbitration field, and the arbitration includes frame pattern indication field, the frame mould
Formula indication field is used to indicate the frame pattern of the data frame；
According to the frame pattern indication field for receiving, the frame pattern of the data frame is determined.
The third aspect according to embodiments of the present invention, there is provided a kind of frame forwarding apparatus, described device includes：
Processor, for generating data frame, the data frame includes arbitration field, and the arbitration includes that frame pattern indicates word
Section, the frame pattern indication field is used to indicate the frame pattern of the data frame；
Transmitter, the data frame for sending the processor generation.
Fourth aspect according to embodiments of the present invention, there is provided a kind of frame forwarding apparatus, described device includes：
Receiver, for receiving data frame, the data frame includes arbitration field, and the arbitration includes that frame pattern indicates word
Section, the frame pattern indication field is used to indicate the frame pattern of the data frame；
Processor, for the frame pattern indication field received according to the receiver, determines the frame of the data frame
Pattern.
Technical scheme disclosed by the invention can include the following benefits：
The frame pattern indication field of the frame pattern that can indicate data frame is included in the data frame of transmission, wherein, frame mould
The type of the information that formula can be carried with characterize data frame, such as data frame carry information be specifically communication node control information,
Or data control information or data message etc., in data transmission procedure, receiving terminal can be carried according to frame pattern indication field
Information, directly the frame pattern to data frame be identified, and then fast and accurately determine data frame entrained by information type,
Greatly improve the efficiency of transmission of control information and data message.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets implementation of the invention
Example, and be used to explain principle of the invention together with specification.
Fig. 1 is a kind of flow chart of frame transmission method disclosed in the embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of data frame disclosed in the embodiment of the present invention；
Fig. 3 is the schematic diagram of another data frame disclosed in the embodiment of the present invention；
Fig. 4 is the schematic diagram of another data frame disclosed in the embodiment of the present invention；
Fig. 5 is the flow chart of another frame transmission method disclosed in the embodiment of the present invention；
Fig. 6 is a kind of schematic diagram of frame forwarding apparatus disclosed in the embodiment of the present invention；
Fig. 7 is the schematic diagram of another frame forwarding apparatus disclosed in the embodiment of the present invention.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Embodiment only represents possible change.Unless explicitly requested, otherwise single components and functionality is optional, and
And the order of operation can change.The part of some embodiments and feature can be included in or replace other embodiments
Part and feature.The gamut of the scope of embodiment of the present invention including claims, and claims institute
There is obtainable equivalent.Herein, each embodiment can individually or generally be represented that this is only with term " invention "
It is merely for convenience, and if in fact disclosing the invention more than, it is not meant to automatically limit the scope of the application
It is any single invention or inventive concept.Herein, such as first and second or the like relational terms are used only for one
Entity or operation make a distinction with another entity or operation, exist between these entities or operation without requiring or implying
Any actual relation or order.And, term " including ", "comprising" or its any other variant be intended to it is non-exclusive
Property include so that process, method or equipment including a series of key elements not only include those key elements, but also including
Other key elements being not expressly set out.Each embodiment herein is described by the way of progressive, and each embodiment is stressed
Be all difference with other embodiment, between each embodiment identical similar portion mutually referring to.For implementing
For example disclosed structure, product etc., because it is corresponding with part disclosed in embodiment, so fairly simple, the phase of description
Part is closed referring to method part illustration.
Controller LAN (Controller Area Network, CAN) agreement is a kind of transmission association of point-to-multipoint
View, CAN is a kind of serial communication protocol bus for real-time application, and it can carry out transmission signal, be using twisted-pair feeder
One of most widely used fieldbus in the world.CAN protocol has good robustness, it is obtained in fields such as automations
It is widely applied.
Communication node in CAN can be divided into standard nodes and thin node according to function, wherein, standard nodes are to gather around
There is the node of the complete function that agreement specifies, thin node is the node of the partial function specified for agreement, exemplary, thin section
Point can only include the most basic function of agreement regulation, and usual thin node is for cost is relatively low, memory resource limitation communication section
Point.
Communication node in CAN can be divided into main controlled node and controlled node according to purposes, wherein, main controlled node can
Instructed with being sent to controlled node, it is desirable to which controlled node performs corresponding operation.Those skilled in the art are, it should be understood that in CAN
On, the quantity of main controlled node and controlled node can flexibly be set in specific implementation process, and the present invention is not limited this.
The data frame defined in CAN protocol, for the data transfer between different communication node.Data frame can be by 7
Part constitutes, i.e. frame starting, arbitration field, controlling filed, data fields, CRC, response, frame end.Particularly, number
According to frame include normal data frame and growth data frame, wherein, normal data frame and growth data frame differ primarily in that arbitration
The number of bits identified in included by (identifier, ID) field is different.
The invention discloses a kind of frame transmission method, as shown in figure 1, specific as follows：
S101, generation data frame, wherein, data frame includes arbitration field, and arbitration field includes frame pattern indication field, frame pattern
Indication field is used to indicate the frame pattern of data frame；
S102, transmission data frame.
In S101, the schematic diagram of the data frame of generation is as shown in Fig. 2, it should be understood that the present invention is to arbitrating field in a data frame
Particular location, and frame pattern indication field arbitration field and data frame in particular location do not limit.Can as one kind
The implementation method of choosing, the position of the specific field shown in Fig. 2, only as an example.
Wherein, the length of frame pattern indication field can be by those skilled in the art during specific implementation is of the invention
The quantity of the frame pattern for characterizing according to actual needs is configured, for example, when the quantity of the frame pattern for needing to characterize is 4, frame
Pattern indication field can include at least 2 bits, and when the quantity of the frame pattern for needing to characterize is 6, frame pattern indication field can
With including at least 3 bits.
Particularly, the need for for subsequent technology evolution, those skilled in the art can also be in frame pattern indication field
Reservation bit position is set.
Optionally, data frame can be, but not limited to include frame pattern as shown in table 1 below：
Table 1
Node control command frame, can be used for main controlled node and is sent to controlled node, so that controlled node is performed accordingly
Operation, such as state information report, attribute information are reported.Further, when controlled node is specially steering wheel, driving wheel etc.,
Main controlled node can make controlled node perform the action specified by sending node control instruction frame, be sensed when controlled section is specially
During device etc., main controlled node can make that controlled node carries out data acquisition and data are reported by sending node control instruction frame.One
As, node control command frame possesses limit priority in bus.
Node return instruction frame, can be used for controlled node and is sent to main controlled node, be referred to responding its node for receiving
Order, i.e., according to the node instruction for receiving, corresponding information is sent to main controlled node.
Uploading nodes string code frame, can be used for controlled node and sends self attributes information to main controlled node, including but do not limit
In manufacturer ID (Vender ID, VID), EIC equipment identification code (Product ID, PID), string code etc..
Node identification frame is set, be can be used for main controlled node and sent to controlled node, be controlled node distribution channel logo
(Chanel ID)。
DC instruction frame, can be used for main controlled node and is sent to controlled node, be controlled with the transmission to data block
System, for example, the block initialization transmitted, the purposes for determining data block, and the re-transmission of control data block etc..
Data return instruction frame, can be used for controlled node and is sent to main controlled node, be passed with responding its data for receiving
Defeated instruction, i.e., according to the data transfer instruction for receiving, corresponding information is sent to main controlled node.
Frame data output, can be used for main controlled node and sends data message, such as text, figure text to controlled node
Part, audio-video document etc..
Data input frame, can be used for controlled node and sends data message, such as text, figure text to main controlled node
Part, audio-video document etc..
Additionally, data frame can also include other frame patterns beyond frame pattern as shown in table 1, those skilled in the art
Can be on the basis of technical scheme disclosed in the embodiment of the present invention and its technical inspiration, using frame pattern indication field to any
The frame pattern of data frame is identified and indicates.
Exemplary, when data frame is specially normal data frame, frame pattern indication field can be specially standard frame mould
Formula indication field, as shown in figure 3, standard frame pattern indication field can serve to indicate that data frame is one of following frame pattern：
Node control command frame；Or,
Node return instruction frame.
In the case, standard frame pattern indication field can include 2 bits, respectively M1, M0, as shown in table 2 below.
Table 2
| Standard frame pattern indication field | The frame pattern of data frame |
| 00 | Node control command frame |
| 01 | Node return instruction frame |
Exemplary, when data frame is specially growth data frame, frame pattern indication field can be specially extension frame mould
Formula indication field, as shown in figure 4, extension frame pattern indication field can serve to indicate that data frame is one of following frame pattern：
Node control command frame；Or,
Node return instruction frame；Or,
Uploading nodes string code frame；Or,
Node identification frame is set；Or,
Block control instruction frame；Or,
Block return instruction frame；Or,
Block frame data output；Or,
Block number is according to incoming frame.
In the case, extension frame pattern indication field can include 3 bits, respectively M1, M0, EM, such as table 3 below institute
Show.
Table 3
| Extension frame pattern indication field | The frame pattern of data frame |
| 000 | Node control command frame |
| 010 | Node return instruction frame |
| 001 | Uploading nodes string code frame |
| 011 | Node identification frame is set |
| 100 | DC instruction frame |
| 110 | Data return instruction frame |
| 101 | Frame data output |
| 111 | Data input frame |
It should be noted that table 2 and table 3 are merely illustrative, those skilled in the art can refer to frame pattern on this basis
Show the number of bits included by field, and mapping relations between bit and frame pattern etc. are adjusted, can also be in frame mould
Optional position addition reservation bit in formula indication field, the embodiment of the present invention is not limited this.
In S102, communication node is carried out the data frame including frame pattern indication field generated in S101 in bus
Send.
Method disclosed by the invention, the frame pattern that the frame pattern that can indicate data frame is included in the data frame of transmission refers to
Show field, wherein, the information that the type of the information that frame pattern can be carried with characterize data frame, such as data frame are carried is specifically logical
Letter node control information or data control information or data message etc., in data transmission procedure, receiving terminal can be according to frame
The information that pattern indication field is carried, directly the frame pattern to data frame is identified, and then fast and accurately determines data frame
The type of entrained information, greatly improves the efficiency of transmission of control information and data message.
The invention also discloses a kind of frame transmission method, as shown in figure 5, specific as follows：
S501, reception data frame, wherein, data frame includes arbitration field, and arbitration field includes frame pattern indication field, frame pattern
Indication field is used to indicate the frame pattern of data frame；
S502, the frame pattern indication field according to reception, determine the frame pattern of data frame.
In S501, the schematic diagram of the data frame of reception as shown in Figure 2, Figure 3 and Figure 4, in the present embodiment, to data frame,
Arbitration the field definition and explanation related to frame pattern indication field, it is similar with the related definition and explanation being documented in S101, this
Art personnel can refer to the description of relevant paragraph, and here is omitted.
In S502, the frame pattern indication field that communication node includes according to the data frame for receiving, it may be determined that receive
Data frame frame pattern.
Exemplary, when the data frame for receiving is normal data frame, communication node obtains standard frame pattern indication field
Middle carried information, and according to the information for obtaining, determine the frame pattern of data frame.If for example, standard frame pattern indication field
When middle carried bit information is " 00 ", can determine that data frame is instructed for node control according to the mapping relations shown in table 2
Frame.
Exemplary, when the data frame for receiving is growth data frame, communication node obtains extension frame pattern indication field
Middle carried information, and according to the information for obtaining, determine the frame pattern of data frame.If for example, extension frame pattern indication field
When middle carried bit information is " 010 ", can determine that data frame refers to for node is returned according to the mapping relations shown in table 3
Make frame.
The invention also discloses a kind of frame forwarding apparatus 60, as shown in fig. 6, specific as follows：
Processor 601, for generating data frame, wherein, data frame includes arbitration field, and arbitration field includes that frame pattern indicates word
Section, frame pattern indication field is used to indicate the frame pattern of data frame；
Transmitter 602, for the data frame of the generation of transmission processe device 601.
Optionally, frame pattern indication field can include standard frame pattern indication field, and standard frame pattern indication field is used
It is one of following frame pattern in data frame is indicated：
Node control command frame；Or,
Node return instruction frame.
Further, standard frame pattern indication field can include 2 bits.
Optionally, frame pattern indication field can include extension frame pattern indication field, and extension frame pattern indication field is used
It is one of following frame pattern in data frame is indicated：
Node control command frame；Or,
Node return instruction frame；Or,
Uploading nodes string code frame；Or,
Node identification frame is set；Or,
Block control instruction frame；Or,
Block return instruction frame；Or,
Block frame data output；Or,
Block number is according to incoming frame.
Further, extension frame pattern indication field includes 3 bits.
Frame forwarding apparatus 60 can be used for performing method as shown in Figure 1.Exemplary, processor 601 can be used for holding
The step of row S101, transmitter 602 can be used for the step of performing S102, and step explanation provides description above, herein
Repeat no more.
Device disclosed by the invention, can send the frame pattern indication field for including the frame pattern that can indicate data frame
Data frame, wherein, the type of the information that frame pattern can be carried with characterize data frame, such as data frame carry information be specifically
Communication node control information or data control information or data message etc., in data transmission procedure, the device of receiving terminal can
With the information carried according to frame pattern indication field, directly the frame pattern to data frame is identified, and then quick and precisely really
Determine the type of information entrained by data frame, greatly improve the efficiency of transmission of control information and data message.
The invention also discloses a kind of frame forwarding apparatus 70, as shown in fig. 7, specific as follows：
Receiver 701, for receiving data frame, wherein, data frame includes arbitration field, and arbitration field includes that frame pattern indicates word
Section, frame pattern indication field is used to indicate the frame pattern of data frame；
Processor 702, for the frame pattern indication field received according to receiver 701, determines the frame pattern of data frame.
Optionally, frame pattern indication field can include standard frame pattern indication field, and standard frame pattern indication field is used
It is one of following frame pattern in data frame is indicated：
Node control command frame；Or,
Node return instruction frame.
Further, standard frame pattern indication field can include 2 bits.
Optionally, frame pattern indication field can include extension frame pattern indication field, and extension frame pattern indication field is used
It is one of following frame pattern in data frame is indicated：
Node control command frame；Or,
Node return instruction frame；Or,
Uploading nodes string code frame；Or,
Node identification frame is set；Or,
Block control instruction frame；Or,
Block return instruction frame；Or,
Block frame data output；Or,
Block number is according to incoming frame.
Further, extension frame pattern indication field includes 3 bits.
Frame forwarding apparatus 70 can be used for performing method as shown in Figure 5.Exemplary, receiver 701 can be used for holding
The step of row S501, processor 702 can be used for the step of performing S502, and step explanation provides description above, herein
Repeat no more.
It should be appreciated that the invention is not limited in the flow and structure that are described above and be shown in the drawings,
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim
System.
Claims (12)
1. a kind of frame transmission method, including：
Generation data frame, the data frame includes arbitration field, and the arbitration includes frame pattern indication field, and the frame pattern refers to
Show field for indicating the frame pattern of the data frame；
Send the data frame.
2. method according to claim 1, it is characterised in that the frame pattern indication field includes that standard frame pattern is indicated
Field, it is one of following frame pattern that the standard frame pattern indication field is used to indicate the data frame：
Node control command frame；Or,
Node return instruction frame.
3. method according to claim 1, it is characterised in that the frame pattern indication field includes that extension frame pattern is indicated
Field, it is one of following frame pattern that the extension frame pattern indication field is used to indicate the data frame：
Node control command frame；Or,
Node return instruction frame；Or,
Uploading nodes string code frame；Or,
Node identification frame is set；Or,
Block control instruction frame；Or,
Block return instruction frame；Or,
Block frame data output；Or,
Block number is according to incoming frame.
4. a kind of frame transmission method, including：
Data frame is received, the data frame includes arbitration field, and the arbitration includes frame pattern indication field, and the frame pattern refers to
Show field for indicating the frame pattern of the data frame；
According to the frame pattern indication field for receiving, the frame pattern of the data frame is determined.
5. method according to claim 4, it is characterised in that the frame pattern indication field includes that standard frame pattern is indicated
Field, it is one of following frame pattern that the standard frame pattern indication field is used to indicate the data frame：
Node control command frame；Or,
Node return instruction frame.
6. method according to claim 4, it is characterised in that the frame pattern indication field includes that extension frame pattern is indicated
Field, it is one of following frame pattern that the extension frame pattern indication field is used to indicate the data frame：
Node control command frame；Or,
Node return instruction frame；Or,
Uploading nodes string code frame；Or,
Node identification frame is set；Or,
Block control instruction frame；Or,
Block return instruction frame；Or,
Block frame data output；Or,
Block number is according to incoming frame.
7. a kind of frame forwarding apparatus, including：
Processor, for generating data frame, the data frame includes arbitration field, and the arbitration includes frame pattern indication field,
The frame pattern indication field is used to indicate the frame pattern of the data frame；
Transmitter, the data frame for sending the processor generation.
8. device according to claim 7, it is characterised in that the frame pattern indication field includes that standard frame pattern is indicated
Field, it is one of following frame pattern that the standard frame pattern indication field is used to indicate the data frame：
Node control command frame；Or,
Node return instruction frame.
9. device according to claim 7, it is characterised in that the frame pattern indication field includes that extension frame pattern is indicated
Field, it is one of following frame pattern that the extension frame pattern indication field is used to indicate the data frame：
Node control command frame；Or,
Node return instruction frame；Or,
Uploading nodes string code frame；Or,
Node identification frame is set；Or,
Block control instruction frame；Or,
Block return instruction frame；Or,
Block frame data output；Or,
Block number is according to incoming frame.
10. a kind of frame forwarding apparatus, including：
Receiver, for receiving data frame, the data frame includes arbitration field, and the arbitration includes frame pattern indication field,
The frame pattern indication field is used to indicate the frame pattern of the data frame；
Processor, for the frame pattern indication field received according to the receiver, determines the frame pattern of the data frame.
11. devices according to claim 10, it is characterised in that the frame pattern indication field refers to including standard frame pattern
Show field, it is one of following frame pattern that the standard frame pattern indication field is used to indicate the data frame：
Node control command frame；Or,
Node return instruction frame.
12. devices according to claim 10, it is characterised in that the frame pattern indication field includes that extension frame pattern refers to
Show field, it is one of following frame pattern that the extension frame pattern indication field is used to indicate the data frame：
Node control command frame；Or,
Node return instruction frame；Or,
Uploading nodes string code frame；Or,
Node identification frame is set；Or,
Block control instruction frame；Or,
Block return instruction frame；Or,
Block frame data output；Or,
Block number is according to incoming frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253185.2A CN106788898A (en) | 2016-12-30 | 2016-12-30 | Frame transmission method and device |
| US15/649,590 US10333838B2 (en) | 2016-12-30 | 2017-07-13 | Frame transmission methods and devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253185.2A CN106788898A (en) | 2016-12-30 | 2016-12-30 | Frame transmission method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106788898A true CN106788898A (en) | 2017-05-31 |
Family
ID=58954348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611253185.2A Pending CN106788898A (en) | 2016-12-30 | 2016-12-30 | Frame transmission method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106788898A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102325129A (en) * | 2011-07-14 | 2012-01-18 | 广州致远电子有限公司 | Self-defined protocol decoding technique for measurement and analysis instrument |
| WO2012055239A1 (en) * | 2010-10-25 | 2012-05-03 | 中兴通讯股份有限公司 | Method for controlling enhanced dedicated channel congestion and system thereof |
| CN103051507A (en) * | 2013-01-21 | 2013-04-17 | 普华基础软件股份有限公司 | Method for data transmission based on multichannel CAN (Controller Area Network) bus bundling |
-
2016
- 2016-12-30 CN CN201611253185.2A patent/CN106788898A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012055239A1 (en) * | 2010-10-25 | 2012-05-03 | 中兴通讯股份有限公司 | Method for controlling enhanced dedicated channel congestion and system thereof |
| CN102325129A (en) * | 2011-07-14 | 2012-01-18 | 广州致远电子有限公司 | Self-defined protocol decoding technique for measurement and analysis instrument |
| CN103051507A (en) * | 2013-01-21 | 2013-04-17 | 普华基础软件股份有限公司 | Method for data transmission based on multichannel CAN (Controller Area Network) bus bundling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10666451B2 (en) | Method and apparatus for controlling access of household appliance device to network | |
| CN111277610B (en) | Gateway control system, method, intelligent device and intelligent device server | |
| CN103176765B (en) | A kind of biography screen method and electronic equipment | |
| JP2010287964A5 (en) | ||
| RU2006135633A (en) | DEVICE AND METHOD FOR IMPLEMENTING INTERFACE WITH HIGH DATA TRANSMISSION SPEED | |
| CN107682247B (en) | Efficient communication method for host and multiple slaves | |
| CN106100955B (en) | Industrial internet field layer broadband bus data depth detection implementation method | |
| US20150063167A1 (en) | Method and gateway for extending ethercat network | |
| US10357882B2 (en) | Data upgrading methods and devices for robots | |
| JP2017523713A5 (en) | ||
| CN110635982A (en) | Double-host communication method and system on communication bus, industrial control gateway and storage medium | |
| CN104158683A (en) | Cross-device aggregation group rapid convergence method, and cross-device aggregation group rapid convergence device | |
| CN106788898A (en) | Frame transmission method and device | |
| CN103217956A (en) | Industrial control system as well as control method and control device thereof | |
| DE112016002363T5 (en) | COMMUNICATION DEVICE AND COMMUNICATION PROCESS | |
| CN106788916A (en) | Data transmission method and data transmission device for bus | |
| CN106681954B (en) | Parameter setting method based on bus and controller for robot | |
| US8965733B2 (en) | Machine tool data acquisition device and method | |
| CN106059715B (en) | Multi-connected air conditioning unit and data transmission method and device thereof | |
| WO2022127222A1 (en) | Data transmission method, apparatus and system, and electronic device and storage medium | |
| US10313150B2 (en) | Data transmission method and device for robot using buffer | |
| CN106850134A (en) | Frame transmission method and device | |
| US10333838B2 (en) | Frame transmission methods and devices | |
| CN110830584A (en) | Access control device, control method, court trial host and readable storage medium | |
| CN106789519A (en) | channel configuration method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |