CN109873798B - Data transmission method - Google Patents
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- CN109873798B CN109873798B CN201810876539.1A CN201810876539A CN109873798B CN 109873798 B CN109873798 B CN 109873798B CN 201810876539 A CN201810876539 A CN 201810876539A CN 109873798 B CN109873798 B CN 109873798B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/06—Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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Abstract
The invention relates to the field of computer communication, in particular to a data structure, a transmission method and data terminal equipment, which realize the receiving, processing, storing and transmitting of information through the terminal equipment on a mobile carrier, provide an information transmission method with low cost and high efficiency for a plurality of time-efficient decentralized production sites, and provide an efficient acquisition method of related information in animal and plant protection. In the process that the mobile carrier is in the process of going to and going from the decentralized production site, the data terminal on the mobile carrier realizes the transmission of data among terminal equipment on the mobile carrier in a broadcasting mode, and further achieves the purpose of information transmission among the decentralized production sites; in addition, the rule judgment is carried out on the transmitted content in the transmission process, the transmitted information content is cleared in time, and the waste of resources such as storage, judgment and calculation and the like caused by the accumulation of a large amount of transmitted information is avoided.
Description
Technical Field
The invention relates to the field of computers and communication; and more particularly, to a data structure, a transmission method, and a data terminal.
Background
Along with the development of intelligent manufacturing, the data in the production and manufacturing process is timely collected, analyzed and processed by the novel concepts such as intelligent mines, intelligent farms, intelligent pastures and the like, and the relevant information for protecting animals and plants is collected in the process of protecting the animals and plants. Data transmission typically employs a wireless mobile operator network or a self-established network. The wireless mobile operator network needs to ensure that the operator wireless base station network can cover the production area, and the operator network charges according to the flow rate, so that continuous expense exists; for a dispersed production site, the self-built network has too high construction result, and for some dispersed production sites with certain timeliness, the construction economic benefit is lower.
Therefore, a novel data structure, a transmission method and a data terminal are invented, information storage, processing and communication are realized through the data terminal on a mobile carrier, and the problem of data transmission of a dispersive production site with certain timeliness is solved.
Disclosure of Invention
It is an object of the present invention to provide a data structure; another object of the present invention is to provide a data transmission method; it is a further object of the present invention to provide a data terminal.
In order to achieve the purpose, the invention adopts the following technical scheme,
a data structure, data are packed into information group according to the structure to transmit, the said information group includes unique label, sender, recipient, transferor and information content; the sender transmits the information content to the receiver through the transmitter, wherein the information content is the information which needs to be transmitted by the sender; the unique identification has uniqueness, different unique identifications correspond to different information groups one by one, and the unique identification is coded by the information groups according to the mode of the data terminal number of a sender, the information type and the progressive serial number.
Preferably, the sender has uniqueness and the set of information can have only one sender. The sender is the publisher of the information group and generally takes the number of the sender as a mark;
preferably, the recipient may be unique or multiple. The receiver is the receiver of the information group, the receiver can be a plurality of receivers, and the receiver can also be a transmitter;
preferably, the transferors include senders and recipients. The sender is a carrier of information, the information is transmitted from the sender to the receiver through mutual transmission among the senders, the information exchange is completed, meanwhile, the sender and the receiver exist in the transmission process and are also a member of the sender, whether the information is transmitted in place can be confirmed through comparison of lists of the senders and the receiver, and whether the information group can be eliminated is judged;
preferably, the information content is encrypted by an information encryption technology (such as digital signature), and after the information content is transmitted to the receiver, the receiver decrypts the information content according to an encryption rule to obtain the substantive information.
A data transmission method, comprising the steps of: firstly, a sender packs data into an information group according to a certain data structure;
step two, communication links are connected, a communication transmission module of the data terminal has the functions of hotspots and WLAN, each data terminal broadcasts the data terminal by the hotspots, other data terminals in the hotspot range retrieve the hotspots, the data terminals are connected with the data terminals by the WLAN function, and information groups in the data terminals which are successfully connected are transmitted and compared;
step three, after the data terminal is communicated with other data terminals, comparing the unique identifier of the self-stored information group with the unique identifier of the external information group stored in the connected data terminal, checking whether an information group which is not stored exists, and entering the next step if the self-stored information group is unified with the external information group; if the external information group which is not stored exists, judging whether the identifier of the data terminal exists in a transmitter list of the information group, if so, indicating that the information group has been transmitted by the data terminal, the information group has completed the whole transmission process and does not need to be transmitted, clearing the information group from the storage of each data terminal, and if the identifier of the data terminal does not exist in the transmitter list of the information group, entering the next step;
that is, the information in the first and second are consistent, if yes, step four is entered, if not, but the list of the deliverers has the first and second, which indicates that they have encountered more than twice before, and the logical judgment of step five is performed, and the information is cleared.
If an information group does not exist in a data terminal in a certain period of time, but the sender of the same information group in other data terminals has the identification of the data terminal, the information group is deleted because the data terminal has already judged that the information group completes the transmission work in the last data-to-data comparison with other data terminals, namely the sender contains all receivers, and the information group has no meaning of retransmission, so that the information group can be directly deleted.
Step four, information groups in each data terminal are integrated, transferors in each information group are fused, and unique identification of the information groups is kept unchanged;
step five, comparing whether the deliverer of the unified and fused information group contains all receivers, if so, judging that the transmission of the information group is finished, the information group can be eliminated in each data terminal, if not, judging that the transmission is not finished, and continuing to enter the next step;
step six, judging whether the data terminal is a receiver, if so, accepting the information group, analyzing to obtain the content of the information group, and entering the next step, and if not, continuing to perform the next step;
and step seven, adding the data terminal identification into the transmitter list of the information group, storing the information group, returning to the step two, and continuing to transmit the information.
Preferably, the information group in the first step includes unique identification, sender, receiver, transmitter and information content.
A data terminal device comprises a communication transmission module, a power supply module, a data processor, a storage database and a data terminal number; the communication transmission module comprises a hotspot and a wireless WLAN module.
Preferably, the communication transmission module comprises a signal broadcasting module and a connection module; the storage database includes a transmission information library and a completed transmission library.
Preferably, the data terminal number has uniqueness.
Preferably, the data terminal is fixed on a movable carrier moving within the information transmission range.
Compared with the prior art, the invention has the beneficial effects that:
the invention realizes the receiving, processing, storing and transmitting of information through the terminal equipment on the mobile carrier, provides an information transmitting method with low cost and high efficiency for a plurality of time-efficient decentralized production sites, and provides an efficient acquisition method of related information in animal and plant protection. In the process that the mobile carrier is in the process of going to and going from the decentralized production site, the data terminal on the mobile carrier realizes the transmission of data among terminal equipment on the mobile carrier in a broadcasting mode, and further achieves the purpose of information transmission among the decentralized production sites; in addition, the rule judgment is carried out on the transmitted content in the transmission process, the transmitted information content is cleared in time, and the waste of resources such as storage, judgment and calculation and the like caused by the accumulation of a large amount of information to be transmitted is avoided.
Drawings
FIG. 1 is a block diagram of a data terminal device;
FIG. 2 is a diagram illustrating an information structure and information transmission;
FIG. 3 is a flow chart of data transfer and comparison.
Detailed Description
The invention is described in detail below with reference to specific examples, but the invention can be implemented in many different ways as defined and covered by the claims.
Example 1 data center sends transition instructions to excavator at production site
The production data center is required to transmit a piece of information to a digging machine of a certain decentralized production site to issue a production site conversion instruction, the data center generates information content a, the a is packaged into an information group MSG1 according to an agreed structure format and is transmitted into a data terminal 1 of a yard, and the data terminal code is recorded into a transmitter list of MSG 1; when a carrier vehicle A enters the signal coverage range of the yard data terminal, the data terminal 1 transmits the signal to the data terminal 2 of the carrier vehicle A, and records the data terminal 2 into the transmitter list of the MSG1, when a carrier loader A enters the coverage range of the hotspot signals of a carrier loader B data terminal 3 and a carrier loader C data terminal 4 in the activity process, the data terminals respectively record the data terminals 3 and 4 of the MSG1 into the deliverer list of the MSG1, if the carrier loader B just enters the production field where the excavator is located, when the carrier loader B enters the signal range of the data terminal 5 of the excavator, the data terminal 3 transmits the MSG1 to the data terminal 5, the data terminal 5 logs itself in the MSG1 and synchronizes to the data terminal 3, according to the decision rule, the MSG1 has completed data transmission, the MSG1 in the data terminal 3 can be eliminated; when the data terminal 3 is connected to the data terminal 1 and the data terminal 2, it may be determined that the MSG1 has completed transmission according to a rule, and the MSG1 may be eliminated in the data terminal 1 and the data terminal 2, and the storage space may be released.
Example 2 the excavator in the production site sends to the carrier vehicles A, B and C to follow the transition
When the excavator needs to carry the vehicles A, B and C to be updated to a new stope for transportation operation, the excavator command console edits an instruction MSG2 to be transmitted into a data terminal 1 of the excavator, and the identifier of the data terminal 1 is recorded into MSG 2; when a carrying vehicle enters a signal range of the data terminal 1, the data terminal 1 transmits the MSG2 to a data module 2 of the carrying vehicle, and records the MSG2 into a list of deliverers according to rules; and are transmitted in turn; until the vehicle is transferred to the carrying vehicles A, B and C; when the identifiers of the data terminals carrying the vehicles A, B and C exist in the terminals of the delivery list, the transmission process is ended, and the MSG2 elimination processing is carried out.
Example 3 follow-up study of protected animals in a protected area of animals
It is necessary to perform a life state tracking study on a certain animal in a certain animal protection area. The information collector and the data terminal are fixed on a plurality of animals to be tracked, and similar operations are assumed to be carried out on 3 animals. Respectively naming 3 animals as A, B and C, assuming that the moving tracks of the animals are to be tracked, regularly sending the positions of the A, B and C to a data terminal by positioning equipment, and encrypting and packaging the position information into an information group by the data terminal; setting one piece of position information of the A as MSG1, when the A meets the B and the C, transmitting the information to the data terminals of the B and the C, or when the A meets the B and then meets the C; then the MSG1 can be respectively stored in the data terminals of the first, second and third terminals through the contact when the first terminal meets the third and third terminals and the second terminal meets the second terminal; when a receiver of the MSG1 is set as the data terminal 11 of the signal collector held by a researcher, only one of the first, second and third terminals is required to be connected with the data terminal 11, so that the position information of the first, second and third terminals can be collected successfully, and the data collection of the researcher is more convenient and faster.
The above description is only a preferred embodiment of the invention, and is not intended to limit the scope of the invention, which is defined by the claims, and all modifications and variations that can be made from the description of the invention, or directly or indirectly applied to other related technical fields, are included in the scope of the invention.
Claims (5)
1. A method of data transmission, the method comprising the steps of:
firstly, a sender packs data into an information group according to a certain data structure;
step two, communication links are connected, a communication transmission module of the data terminal has the functions of hotspots and WLAN, each data terminal broadcasts the data terminal by the hotspots, other data terminals in the hotspot range retrieve the hotspots, the data terminals are connected with the data terminals by the WLAN function, and information groups in the data terminals which are successfully connected are transmitted and compared;
step three, after the data terminal is communicated with other data terminals, comparing the unique identifier of the self-stored information group with the unique identifier of the external information group stored in the connected data terminal, checking whether an information group which is not stored exists, and entering the next step if the self-stored information group is unified with the external information group; if the external information group which is not stored exists, judging whether the identifier of the data terminal exists in a transmitter list of the information group, if so, indicating that the information group has been transmitted by the data terminal, the information group has completed the whole transmission process and does not need to be transmitted, clearing the information group from the storage of each data terminal, and if the identifier of the data terminal does not exist in the transmitter list of the information group, entering the next step;
step four, information groups in each data terminal are integrated, transferors in each information group are fused, and unique identification of the information groups is kept unchanged;
step five, comparing whether the deliverer of the unified and fused information group contains all receivers, if so, judging that the transmission of the information group is finished, the information group can be eliminated in each data terminal, if not, judging that the transmission is not finished, and continuing to enter the next step;
step six, judging whether the data terminal is a receiver, if so, accepting the information group, analyzing to obtain the content of the information group, and entering the next step, and if not, continuing to perform the next step;
and step seven, adding the data terminal identification into the transmitter list of the information group, storing the information group, returning to the step two, and continuing to transmit the information.
2. The data transmission method of claim 1, wherein the set of information includes a unique identifier, a sender, a recipient, a deliverer, and information content; the sender transmits the information content to the receiver through the transmitter, wherein the information content is the information which needs to be transmitted by the sender; the unique identification has uniqueness, different unique identifications correspond to different information groups one by one, and the unique identification is coded by the information groups according to the mode of the data terminal number of a sender, the information type and the progressive serial number.
3. The data transmission method of claim 1, wherein the sender has uniqueness and the information group has only one sender.
4. The data transmission method according to claim 1, wherein the number of recipients is one or more.
5. The data transmission method of claim 1, wherein the information content is encrypted by an information encryption technique, the information encryption technique comprising a digital signature technique.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876539.1A CN109873798B (en) | 2018-08-03 | 2018-08-03 | Data transmission method |
| CN202110231286.4A CN112954067B (en) | 2018-08-03 | 2018-08-03 | Data terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810876539.1A CN109873798B (en) | 2018-08-03 | 2018-08-03 | Data transmission method |
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| CN202110231286.4A Division CN112954067B (en) | 2018-08-03 | 2018-08-03 | Data terminal |
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| CN109873798A CN109873798A (en) | 2019-06-11 |
| CN109873798B true CN109873798B (en) | 2021-04-13 |
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| CN202110231286.4A Active CN112954067B (en) | 2018-08-03 | 2018-08-03 | Data terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100444586C (en) * | 2006-11-06 | 2008-12-17 | 杭州华三通信技术有限公司 | Message repeat method and device |
| US10097291B2 (en) * | 2007-07-24 | 2018-10-09 | The Directv Group, Inc. | Method and system for distributing content using device-specific content delivery networks |
| CN101414964B (en) * | 2008-12-04 | 2011-03-30 | 天津大学 | Method for reducing redundant message of delay-tolerant network and intermittently-connected network |
| US9679491B2 (en) * | 2013-05-24 | 2017-06-13 | Qualcomm Incorporated | Signaling device for teaching learning devices |
| CN103802509B (en) * | 2013-11-22 | 2017-01-04 | 北京航空航天大学 | A kind of long-range implementation method based on industrial code-spraying machine control system |
| CN104038507B (en) * | 2014-06-30 | 2017-11-24 | 北京邮电大学 | Based on the protocol conversion radio network gateway and its communication means centered on content |
| CN111865898B (en) * | 2016-03-21 | 2023-07-21 | 华为技术有限公司 | Communication method, device and system based on flow rule protocol |
| CN105827367A (en) * | 2016-05-06 | 2016-08-03 | 深圳市国华光电研究院 | Wireless data transmission method and system |
| CN105744563B (en) * | 2016-05-10 | 2019-01-11 | 南京大学 | A kind of ADHOC network multiple-channel communication means based on bluetooth cooperation |
| CN106557561A (en) * | 2016-11-16 | 2017-04-05 | 贵州大学 | Magnanimity sensing data storage system and method based on HBase |
| US10218590B2 (en) * | 2016-12-12 | 2019-02-26 | Juniper Networks, Inc. | Subscriber-aware TWAMP data monitoring in computer networks |
| CN108090695B (en) * | 2018-01-04 | 2021-09-14 | 中国有色金属长沙勘察设计研究院有限公司 | Mining planning method for accumulation type bauxite multi-ore area |
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| CN112954067A (en) | 2021-06-11 |
| CN109873798A (en) | 2019-06-11 |
| CN112954067B (en) | 2022-06-24 |
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