CN103905329B - Transmission system and method based on Integrated Services Digital stream in PLC - Google Patents
Transmission system and method based on Integrated Services Digital stream in PLC Download PDFInfo
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- CN103905329B CN103905329B CN201410126342.8A CN201410126342A CN103905329B CN 103905329 B CN103905329 B CN 103905329B CN 201410126342 A CN201410126342 A CN 201410126342A CN 103905329 B CN103905329 B CN 103905329B
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Abstract
The invention discloses a kind of Transmission system and method based on Integrated Services Digital stream in PLC, wherein, the above method is included in data processing forwarding end and Integrated Services Digital is handled, and specifically includes the Integrated Services Digital stream that receiving front-end is issued；Obtain being loaded with the packet of check code through processing, and control according to different grades of check code the transmission sequence and transmission rate of the packet of each class business datum, realize data down transmission；The attached receiving terminal of data is additionally included in handle Integrated Services Digital, specifically include to handle the data progress for receiving service terminal upload and obtain packet, and packet is loaded into corresponding check code and the transmission sequence and transmission rate of the packet of each class business datum are controlled according to different brackets check code, realize that data are uploaded.The problem of present invention can realize the transmission of multi-service data and solve network congestion.
Description
Technical field
The present invention relates to power line communication technology field, more particularly to a kind of biography based on Integrated Services Digital stream in PLC
Defeated system and method.
Background technology
Power line communication (Power line Communication) is the electric power using transmission of electricity and power supply referred to as " PLC "
Line carries out the technology of high speed data transfer.PLC passes through power line transmission data, it is not necessary to set up more circuits and equipment, only
Modem insertion power receptacle need to can just be communicated, it is with low cost using simple, be conducive to information resources share and family
Electricity online.Although easy to use, business sheet one can only recognize a kind of broadband services transmission, it is impossible to realize multiple services side
Formula is transmitted.By updating for designer, two kinds or three kinds of combinations of services can be formed Integrated Services Digital streams, but it is many
Planting the sequencing of business data flow transmission rate and transmission can not be controlled, it is easy to the problem of causing network congestion.For
Solve the problem of many middle business transmission and network congestion, it is necessary to which the output to above-mentioned a variety of data is further changed
Enter.
The content of the invention
The present invention proposes a kind of Transmission system and method based on Integrated Services Digital stream in PLC, and what is mainly solved is
Multiple business traffic transmission rate and the sequencing of transmission can not be controlled in the prior art, and cause network congestion
Problem.
In order to solve the above technical problems, one aspect of the present invention is：There is provided a kind of based on comprehensive industry in PLC
The transmission method for data flow of being engaged in, is included in the processing of data processing forwarding end and the attached receiving terminal of data to Integrated Services Digital
Step.
Integrated Services Digital is handled at data processing forwarding end, including step, the synthesis industry that receiving front-end is issued
Business data flow；According to different traffic data types the Integrated Services Digital stream of reception is classified and packing processing after, obtain
Corresponding data are loaded into respectively to the packet corresponding with each traffic data type, and by different grades of check code
Bag, and the transmission sequence and transmission rate of the packet of each class business datum are controlled according to different grades of check code, will
Packet is transmitted to the attached receiving terminal of data, and the attached receiving terminal transmission of data to reception packet, remove check code
After be uploaded to front end；
Integrated Services Digital is handled in data attached receiving terminal, including step, receive data processing forwarding end hair
The packet sent；Extract corresponding check code in packet to be identified, and parse the data in packet and transmit to industry
Business terminal, and the data progress uploaded to receiving service terminal are handled and obtain packet, and packet is loaded into accordingly
Check code and controlled according to different brackets check code each class business datum packet transmission sequence and transmission rate, with
And transmit packet to data processing forwarding end.
In order to solve the above technical problems, one aspect of the present invention is：There is provided a kind of based on comprehensive industry in PLC
The Transmission system for data flow of being engaged in, including data processing forwarding unit and the attached receiving device of data, the data processing forwarding
Equipment is electrically connected with the attached receiving device of data；
The data processing forwarding unit includes first communication module, the first data processing module and the first transmission mould
Block, the first communication module, the Integrated Services Digital stream issued for receiving front-end and transmission are from the attached reception of data
Hold the packet of transmission；First data processing module, for according to synthesis industry of the different traffic data types to reception
After business data flow is classified and packing handles, the packet corresponding with each traffic data type is obtained, and by difference
The check code of grade is loaded into corresponding packet respectively, and according to the number of each class business datum of different grades of check code control
According to the transmission sequence and transmission rate of bag, packet is transmitted to the attached receiving terminal of data；First transport module, is used for
Convey the packet of the front end through processing and receive the packet that the attached receiving device of data is sent；
The attached receiving device of data includes the second transport module, the second data processing module and the second communication mould
Block, second transport module, the business of packet and conveying through processing for receiving the transmission of data processing forwarding unit
The packet of terminal data；Second data processing module, is identified for extracting corresponding check code in packet, with
And parse the data in packet and transmit to service terminal, and the data uploaded to receiving service terminal are handled
Packet, and packet is loaded into corresponding check code and the number of each class business datum is controlled according to different brackets check code
According to the transmission sequence and transmission rate of bag；The second communication module, for the data transfer in packet will to be parsed to industry
Terminal of being engaged in and the data for receiving service terminal upload.
The method have the benefit that：It is different from multiple business traffic transmission rate in the prior art and transmission
Sequencing can not be controlled, and the problem of cause network congestion, integrated service number in PLC is based on the invention provides one kind
According to the transmission method of stream, used at data processing forwarding end according to Integrated Services Digital of the different traffic data types to reception
Stream classified and packing processing after, obtain the packet corresponding with each traffic data type, and will be different grades of
Check code is loaded into corresponding packet respectively, and control according to different grades of check code the packet of each class business datum
Transmission sequence and transmission rate, and use the data uploaded to receiving service terminal to handle in the attached receiving terminal of data
Packet is obtained, and packet is loaded into corresponding check code and each class business datum is controlled according to different brackets check code
Packet transmission sequence and transmission rate, the transmission of multi-service data can be realized, the transmission of multi-service data bag is suitable
Sequence is transmitted according to the grade of check code, the problem of can solve the problem that network congestion.
Brief description of the drawings
Fig. 1 is the flow chart of the invention based on the transmission method of Integrated Services Digital stream in PLC；
Fig. 2 is the block diagram of the invention based on the Transmission system of Integrated Services Digital stream in PLC.
Label declaration：
1- headend equipments, 2- data processing forwarding units, the attached receiving device of 3- data, 4- service terminal equipment, 21-
At one communication module, the data processing modules of 22- first, the transport modules of 23- first, 31- second communication modules, the data of 32- second
Manage module, the transport modules of 33- second.
Embodiment
To describe the technology contents of the present invention in detail, feature, the objects and the effects being constructed, below in conjunction with embodiment
And coordinate accompanying drawing to be explained in detail.
The present invention is used according to integrated service of the different traffic data types to reception using at data processing forwarding end
Data flow classified and packing processing after, obtain the packet corresponding with each traffic data type, and will not be equal
The check code of level is loaded into corresponding packet respectively, and according to the data of each class business datum of different grades of check code control
The transmission sequence and transmission rate of bag；And obtain data being handled using the data progress uploaded to receiving service terminal
Bag, and packet is loaded into corresponding check code and the packet of each class business datum is controlled according to different brackets check code
Transmission sequence and transmission rate, it is ensured that passed under multi-service data and uploading rate, advantageously ensure that the communication matter of network
Amount.
Referring to Fig. 1, present embodiments providing a kind of transmission method based on Integrated Services Digital stream in PLC, it is included in
Data processing forwards end and the attached receiving terminal of data to the process step of Integrated Services Digital,
Integrated Services Digital is handled at data processing forwarding end, including step, the synthesis industry that receiving front-end is issued
Business data flow；According to different traffic data types the Integrated Services Digital stream of reception is classified and packing processing after, obtain
Corresponding data are loaded into respectively to the packet corresponding with each traffic data type, and by different grades of check code
Bag, and the transmission sequence and transmission rate of the packet of each class business datum are controlled according to different grades of check code, with
And packet is transmitted to the attached receiving terminal of data, and the attached receiving terminal transmission of data to reception packet, remove school
Test and front end is uploaded to after code；
Integrated Services Digital is handled in data attached receiving terminal, including step, receive data processing forwarding end hair
The packet sent；Extract corresponding check code in packet to be identified, and parse the data in packet and transmit to industry
Business terminal, and the data progress uploaded to receiving service terminal are handled and obtain packet, and packet is loaded into accordingly
Check code and controlled according to different brackets check code each class business datum packet transmission sequence and transmission rate, will
Packet is transmitted to data processing forwarding end.
In a specific embodiment, the check code is made up of marker bit with grade position, and the marker bit is used to recognize
The packet of loaded check code, it is described to wait level to be used for the grade for distinguishing each check code.Check code such as 0x0001,0x0002,
0x0003 ..., 0xn, wherein, 0x represents marker bit, and 0001,0002,0003 ..., xn the level such as represent.
In a specific embodiment, the Integrated Services Digital is broadband access network, IPTV, voice fixed line and video prison
Control two or more any data combination in data.It should be noted that, in addition to the above-mentioned traffic data type enumerated, also
The business datum of applicable other utilization power line transmission.
In a specific embodiment, the data in packet are parsed into Ethernet data by the attached receiving terminal of data
Signal is simultaneously transmitted to service terminal.Ethernet data signal be a kind of specific data-signal, for service terminal equipment and
Design, convenient identification.
The present invention is loaded into packet by using check code, and transmits multi-service data using the grade of check code,
Isolation transmission is carried out to the different business such as broadband access network, IPTV, voice fixed line, video monitoring on domestic consumer's power line, and can
The size and data flow for adjusting different data streams send the sequencing received, it is ensured that the smoothness of network.In home network,
The species of identification different business well, according to the transmission of business datum is adjusted the need for user, can greatly improve transmission
Efficiency, it is ensured that communication quality.
Refering to Fig. 2, the present invention provides a kind of Transmission system based on Integrated Services Digital stream in PLC, including data processing
Forwarding unit and the attached receiving device 3 of data, the data processing forwarding unit 2 are electrically connected with the attached receiving device of data 3,
Data processing forwarding unit is connected with headend equipment 1, and attached 3 equipment that receive of data are connected with service terminal equipment 4.
The data processing forwarding unit 2 includes first communication module 21, the first data processing module 22 and first and passed
Defeated module 23, the first communication module 21, the Integrated Services Digital stream issued for receiving front-end and transmission come from data
The packet of attached receiving terminal transmission；First data processing module 22, for according to different traffic data type docking
The Integrated Services Digital stream of receipts classified and packing processing after, obtain the packet corresponding with each traffic data type,
And different grades of check code is loaded into corresponding packet respectively, and each class industry is controlled according to different grades of check code
The transmission sequence and transmission rate of the packet for data of being engaged in, packet is transmitted to the attached receiving terminal of data；Described first passes
Defeated module 23, for conveying the packet of the front end through processing and receiving the packet that the attached receiving device of data is sent；
It is logical that the attached receiving device 3 of data includes the second transport module 33, the second data processing module 32 and second
Believe module 31, second transport module 33, for receiving the packet of data processing forwarding unit transmission and conveying through place
The packet of the service terminal data of reason；Second data processing module 32, for extracting corresponding check code in packet
It is identified, and parses the data in packet and transmit to service terminal, and to receiving the data that service terminal is uploaded
Progress, which is handled, obtains packet, and packet is loaded into corresponding check code and each class is controlled according to different brackets check code
The transmission sequence and transmission rate of the packet of business datum；The second communication module 31, for that will parse in packet
Data transfer to service terminal and receive service terminal upload data.
In a specific embodiment, the second communication module 31 includes multiple communication interfaces, and each communication interface passes through
Connecting line can be communicated to connect with set top box, router, IP telephone machine and video monitoring equipment respectively.It should be noted that, it is multiple
Also include spare interface, the equipment for being also applicable to other utilization power line transmission business datum in communication interface.
In a specific embodiment, the check code is made up of marker bit with grade position, and the marker bit is used to recognize
The packet of loaded check code, it is described to wait level to be used for the grade for distinguishing each check code.Check code such as 0x0001,0x0002,
0x0003 ..., 0xn, wherein, 0x represents marker bit, and 0001,0002,0003 ..., xn the level such as represent.
In a specific embodiment, the data in packet are parsed into ether by second data processing module 32
Network data signal is simultaneously transmitted by second communication module 31 to service terminal.Ethernet data signal is a kind of specific data letter
Number, designed for the equipment of service terminal, convenient identification.
The system is mainly handled packet using data processing forwarding unit and the attached receiving device of data,
Used in the two equipment and check code is loaded into packet, and multi-service data is transmitted using the grade of check code, it is right
The different business such as broadband access network, IPTV, voice fixed line, video monitoring carries out isolation transmission on domestic consumer's power line, and adjustable
The size and data flow for saving different data streams send the sequencing received, it is ensured that the smoothness of network.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (2)
1. a kind of transmission method based on Integrated Services Digital stream in PLC, it is characterised in that be included in data processing forwarding end with
And the attached receiving terminal of data, to the process step of Integrated Services Digital, the Integrated Services Digital is broadband access network, IPTV, voice
Two or more any data combination in fixed line and video monitoring data；
Integrated Services Digital is handled at data processing forwarding end, including step,
The Integrated Services Digital stream that receiving front-end is issued；
According to different traffic data types the Integrated Services Digital stream of reception is classified and packing processing after, obtain with often
The corresponding packet of one traffic data type, and
Different grades of check code is loaded into corresponding packet respectively, and each class industry is controlled according to different grades of check code
The transmission sequence and transmission rate of the packet for data of being engaged in, packet is transmitted to the attached receiving terminal of data, and
To the packet of the attached receiving terminal transmission of data of reception, front end is uploaded to after removing check code；
Integrated Services Digital is handled in data attached receiving terminal, including step,
Receive the packet that data processing forwarding end is sent；
Extract corresponding check code in packet to be identified, and parse the data in packet and transmit to service terminal,
Specially：Data in packet are parsed into Ethernet data signal and passed to service terminal by the attached receiving terminal of data
It is defeated, and
The data progress uploaded to receiving service terminal, which is handled, obtains packet, and packet is loaded into corresponding check code simultaneously
The transmission sequence and transmission rate of the packet of each class business datum are controlled according to different brackets check code, and
Packet is transmitted to data processing forwarding end；
The check code is made up of marker bit with grade position, and the marker bit is used for the packet for recognizing loaded check code, institute
The grade that level is used to distinguish each check code such as state.
2. a kind of Transmission system based on Integrated Services Digital stream in PLC, it is characterised in that including data processing forwarding unit with
And the attached receiving device of data, the data processing forwarding unit electrically connects with the attached receiving device of data；
The data processing forwarding unit includes first communication module, the first data processing module and the first transport module,
The first communication module, the Integrated Services Digital stream issued for receiving front-end and transmission are from the attached reception of data
Hold the packet of transmission；
First data processing module, for being carried out according to different traffic data types to the Integrated Services Digital stream of reception
After classification and packing processing, the packet corresponding with each traffic data type is obtained, and by different grades of check code
Corresponding packet is loaded into respectively, and it is suitable according to the transmission of the packet of each class business datum of different grades of check code control
Sequence and transmission rate, packet is transmitted to the attached receiving terminal of data；
First transport module, sends for conveying the packet of the front end through processing and receiving the attached receiving device of data
Packet；
The attached receiving device of data includes the second transport module, the second data processing module and second communication module,
Second transport module, the business of packet and conveying through processing for receiving the transmission of data processing forwarding unit
The packet of terminal data；
Second data processing module, is identified for extracting corresponding check code in packet, and parsing packet
In data and transmit to service terminal, and the data progress uploaded to receiving service terminal handles and obtains packet, and
Packet is loaded into corresponding check code and the transmission of the packet of each class business datum is controlled according to different brackets check code
Order and transmission rate；
Second data processing module, is specially that the data in packet are parsed into Ethernet data signal and by second
Communication module is transmitted to service terminal；
The second communication module, for will parse packet in data transfer to service terminal and receive service terminal
The data of biography；The second communication module include multiple communication interfaces, each communication interface by connecting line can respectively with set top box,
Router, IP telephone machine and video monitoring equipment communication connection；
The check code is made up of marker bit with grade position, and the marker bit is used for the packet for recognizing loaded check code, institute
The grade that level is used to distinguish each check code such as state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126342.8A CN103905329B (en) | 2014-03-31 | 2014-03-31 | Transmission system and method based on Integrated Services Digital stream in PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126342.8A CN103905329B (en) | 2014-03-31 | 2014-03-31 | Transmission system and method based on Integrated Services Digital stream in PLC |
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| Publication Number | Publication Date |
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| CN103905329A CN103905329A (en) | 2014-07-02 |
| CN103905329B true CN103905329B (en) | 2017-09-19 |
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| CN201410126342.8A Active CN103905329B (en) | 2014-03-31 | 2014-03-31 | Transmission system and method based on Integrated Services Digital stream in PLC |
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| CN112332950B (en) * | 2020-10-12 | 2023-03-14 | 深圳市华奥通通信技术有限公司 | Method, system, device and storage medium for adapting data transmission rate |
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| CN1788473A (en) * | 2003-05-16 | 2006-06-14 | 松下电器产业株式会社 | Packet classification and concatenation over power line communication systems |
| US7792029B2 (en) * | 2003-02-28 | 2010-09-07 | Siemens Aktiengesellchaft | Network data transmission based on predefined receive times |
| CN103262434A (en) * | 2010-12-13 | 2013-08-21 | 德克萨斯仪器股份有限公司 | Media access control layer for power line communications |
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2014
- 2014-03-31 CN CN201410126342.8A patent/CN103905329B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1226850C (en) * | 2000-04-13 | 2005-11-09 | 国际商业机器公司 | Method and system for scheduling information using disconnection/reconnection of network server |
| US7792029B2 (en) * | 2003-02-28 | 2010-09-07 | Siemens Aktiengesellchaft | Network data transmission based on predefined receive times |
| CN1788473A (en) * | 2003-05-16 | 2006-06-14 | 松下电器产业株式会社 | Packet classification and concatenation over power line communication systems |
| CN103262434A (en) * | 2010-12-13 | 2013-08-21 | 德克萨斯仪器股份有限公司 | Media access control layer for power line communications |
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Address after: Riverside Road, Taijiang District of Fuzhou City, Fujian province 350009 No. 58 Building 2 layer 01 eternal Patentee after: JINQIANMAO TECHNOLOGY CO., LTD. Address before: Riverside Road, Taijiang District of Fuzhou City, Fujian province 350009 eternal No. 58 building room 706 Patentee before: Fujian Jinqianmao Electronic Technology Co., Ltd. |
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