CN105553626A - Method for transmitting monitoring data of mountain torrent disaster early warning monitoring terminal - Google Patents
Method for transmitting monitoring data of mountain torrent disaster early warning monitoring terminal Download PDFInfo
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- CN105553626A CN105553626A CN201510906606.6A CN201510906606A CN105553626A CN 105553626 A CN105553626 A CN 105553626A CN 201510906606 A CN201510906606 A CN 201510906606A CN 105553626 A CN105553626 A CN 105553626A
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- packet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1809—Selective-repeat protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a method for transmitting the monitoring data of a mountain torrent disaster early warning monitoring terminal, and the method comprises the steps that a monitoring terminal sequentially transmits numbered data packages and data package statistics information to an upper computer, wherein the data package statistics information comprises the total number of transmitted data packages and the serial numbers of the transmitter data package; the upper computer detects the received data packages according to the received data package statistics information, and transmits the loss information of lost data packages to the monitoring terminal, wherein the loss information comprises the serial number of the lost data packages; and the monitoring terminal transmits the lost data package to the upper computer again according to the loss information. Therefore, the method guarantees the integrity of environment monitoring data transmission in a process that the monitoring terminal transmits data to the upper computer, and guarantees that the upper computer receives the complete environment monitoring data. The method solves a problem that the loss of the data packages causes the incomplete transmission of monitoring data in the prior art.
Description
Technical field
The present invention relates to technical field of data transmission, particularly relate to a kind of transmission method of mountain flood early warning and monitoring terminal monitoring data.
Background technology
In mountain flood warning monitoring system, the environmental monitoring data that monitoring terminal monitors, upload to host computer, to process environmental monitoring data and to analyze.Because the environmental monitoring data capacity obtained is larger, in the prior art, when monitoring terminal is to host computer transmission environment Monitoring Data, to be divided into the form transmission of multiple packet by Monitoring Data, but, in data transmission procedure, there is the problem of data-bag lost, the environmental monitoring data that host computer can be caused to receive is imperfect.
Summary of the invention
Given this, the invention provides a kind of transmission method of mountain flood early warning and monitoring terminal monitoring data, solve in prior art and cause because there is data-bag lost Monitoring Data to transmit incomplete problem.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A transmission method for mountain flood early warning and monitoring terminal monitoring data, comprising:
Monitoring terminal transmits numbered packet and packet statistics information successively to host computer, and described packet statistics information comprises sum and the numbering of the packet of transmission;
The packet that described host computer has received according to the described packet statistics infomation detection received, send the drop-out of lost data packets to described monitoring terminal, described drop-out comprises the numbering of described lost data packets;
Described monitoring terminal transmits the packet of loss again to described host computer according to described drop-out.
Alternatively, described monitoring terminal transmits described packet with preset value transmission frequency to described host computer.
Alternatively, before described monitoring terminal transmits numbered packet and packet statistics information successively to host computer, also comprise:
Described monitoring terminal is numbered described packet, and records sum and the numbering of described packet, obtains described packet statistics information.
Alternatively, also comprise: described monitoring terminal is according to described packet statistics information and described drop-out calculated data loss rate.
Alternatively, also comprise: described monitoring terminal is according to the transmission frequency of described bursts dropping ratio adjustment transmission packet.
Alternatively, described monitoring terminal comprises according to the transmission frequency of described bursts dropping ratio adjustment transmission packet:
When judging that described bursts dropping ratio is greater than first threshold, described monitoring terminal adjustment reduces described transmission frequency.
Alternatively, described monitoring terminal comprises according to the transmission frequency of described bursts dropping ratio adjustment transmission packet:
When judging that described Loss Rate is less than Second Threshold and described transmission frequency is less than Preset Transfer frequency, described monitoring terminal adjustment increases the transmission frequency of described packet.
Alternatively, described monitoring terminal transmits image data by image data transmission channel to described host computer.
As shown from the above technical solution, the transmission method of mountain flood early warning and monitoring terminal monitoring data provided by the present invention, monitoring terminal transmits numbered packet and packet statistics information successively to host computer, and wherein, packet statistics information comprises sum and the numbering of the packet of transmission; Host computer receives packet and packet statistics information, according to the packet that the described packet statistics infomation detection received has received, obtains the drop-out of lost data packets, comprises the numbering of lost data packets; Drop-out is sent to monitoring terminal by host computer, and monitoring terminal transmits the packet of loss again to host computer according to drop-out.Therefore, in the process of monitoring terminal to host computer transmission data, the packet retransmission that can will lose, ensure that the integrality that environmental monitoring data transmits, ensure that host computer can receive complete environmental monitoring data.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The flow chart of the transmission method of a kind of mountain flood early warning and monitoring terminal monitoring data that Fig. 1 provides for the embodiment of the present invention;
The flow chart of the transmission method of a kind of mountain flood early warning and monitoring terminal monitoring data that Fig. 2 provides for further embodiment of this invention.
Embodiment
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Please refer to Fig. 1, the flow chart of the transmission method of a kind of mountain flood early warning and monitoring terminal monitoring data that Fig. 1 provides for the embodiment of the present invention, the transmission method of described environmental monitoring data comprises:
S100: monitoring terminal transmits numbered packet and packet statistics information successively to host computer, described packet statistics information comprises sum and the numbering of the packet of transmission.
In the present embodiment, described monitoring terminal is mountain flood early warning and monitoring terminal, be arranged on environmental monitoring scene, for monitoring field environmental change, obtain the Monitoring Data of site environment, as monitoring terminal can be located in the ground, for the Water quality detector etc. of the level sensor or monitoring groundwater quality of monitoring level of ground water.
The environmental monitoring data that monitoring terminal obtains is divided into multiple packet to be transmitted to host computer, in the present embodiment, monitoring terminal is before transmission packet, the packet that will transmit is numbered, the corresponding numbering of each packet, the sum of the packet that record will transmit and numbering, obtain packet statistics information.
Monitoring terminal transmits numbered packet successively to host computer, and transmits described packet statistics information.Particularly, in the present embodiment, monitoring terminal transmits packet successively with preset value transmission frequency.
S101: the packet that described host computer has received according to the described packet statistics infomation detection received, send the drop-out of lost data packets to described monitoring terminal, described drop-out comprises the numbering of described lost data packets.
Host computer receives the packet of transmission, and receives packet statistics information.In the transmitting procedure of monitoring terminal to host computer transmission packet, there is some packet and be lost, host computer cannot receive these packets.Host computer, after receiving packet, detects the packet received, with packet statistics information contrast, obtains the drop-out of lost data packets, i.e. the numbering of lost data packets.The drop-out of lost data packets is sent to monitoring terminal by host computer.
S102: described monitoring terminal transmits the packet of loss again to described host computer according to described drop-out.
Monitoring terminal, after receiving drop-out, according to the numbering of lost data packets in drop-out, transmits the packet of loss again to host computer.
As shown in the above, the transmission method of mountain flood early warning and monitoring terminal monitoring data described in the present embodiment, monitoring terminal transmits numbered packet and packet statistics information successively to host computer, and wherein, packet statistics information comprises sum and the numbering of the packet of transmission; Host computer receives packet and packet statistics information, according to the packet that the described packet statistics infomation detection received has received, obtains the drop-out of lost data packets, comprises the numbering of lost data packets; Drop-out is sent to monitoring terminal by host computer, and monitoring terminal transmits the packet of loss again to host computer according to drop-out.Therefore, at monitoring terminal in host computer transmission data procedures, the packet retransmission that can will lose, ensure that the integrality that environmental monitoring data transmits, and ensures that host computer can receive complete environmental monitoring data.
Monitoring terminal transmits to host computer with the packet of certain transmission frequency by environmental monitoring data, if transmission frequency is too high, packet ratio can be caused to be easier to lose, make the likelihood ratio of lost data packets in transfer of data higher.Given this, further embodiment of this invention provides a kind of transmission method of mountain flood early warning and monitoring terminal monitoring data, by the Loss Rate of packet in statistics transmitting procedure, according to the transmission frequency of Loss Rate adjustment monitor terminal transmission packet, to reduce the losing probability of transmission packet.
Please refer to Fig. 2, particularly, the transmission method of mountain flood early warning and monitoring terminal monitoring data described in the present embodiment, on the basis of upper embodiment, also comprises:
S103: described monitoring terminal is according to described packet statistics information and described drop-out calculated data loss rate.
Monitoring terminal, according to the packet statistics information of the drop-out of the lost data packets received and record, calculates the Loss Rate of transmission packet.
S104: described monitoring terminal is according to the transmission frequency of described bursts dropping ratio adjustment transmission packet.
Particularly, monitoring terminal is when judging that described bursts dropping ratio is greater than first threshold, monitoring terminal adjustment reduces the transmission frequency of transmission packet, by reducing the transmission frequency of packet, to reduce the losing probability of packet in transmitting procedure, contribute to improving the efficiency of transmission of monitoring terminal to host computer transmission environment Monitoring Data.
Monitoring terminal is judging that bursts dropping ratio is less than Second Threshold, and when judging that the transmission frequency of packet is less than predeterminated frequency, monitoring terminal adjustment increases the transmission frequency of packet.Second Threshold is a default lower value, if bursts dropping ratio is less than Second Threshold, show that bursts dropping ratio is very low, if now data packet transmission frequency is less than Preset Transfer frequency, data transmission efficiency can be reduced, therefore monitoring terminal adjustment increases the transmission frequency of transmission packet, to ensure the efficiency of transmission of packet.
Therefore, the transmission method of the mountain flood early warning and monitoring terminal monitoring data described in the present embodiment, by the bursts dropping ratio in calculated data bag transmitting procedure, according to Loss Rate, packet transmission frequency is adjusted, when bursts dropping ratio is higher, adjustment reduces transmission frequency, if bursts dropping ratio is enough low suitably can improve transmission frequency, to ensure the efficiency of transmission of transfer of data.
In the present embodiment, the transmission method of described mountain flood early warning and monitoring terminal monitoring data also comprises: monitoring terminal transmits image data by image data transmission channel to described host computer.Compared to common numerical value Monitoring Data, the image data Capacity Ratio obtained is larger, if itself and numerical value Monitoring Data are together transmitted, efficiency of transmission can be reduced, therefore in the present embodiment, monitoring terminal, by image data individual transmission, by building independent image data transmission channel, transmits image data to host computer, contribute to improving the data transmission efficiency between monitoring terminal and host computer, ensure the integrality of Monitoring Data.
Above the transmission method of a kind of mountain flood early warning and monitoring terminal monitoring data provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection range of the claims in the present invention.
Claims (8)
1. a transmission method for mountain flood early warning and monitoring terminal monitoring data, is characterized in that, comprising:
Monitoring terminal transmits numbered packet and packet statistics information successively to host computer, and described packet statistics information comprises sum and the numbering of the packet of transmission;
The packet that described host computer has received according to the described packet statistics infomation detection received, send the drop-out of lost data packets to described monitoring terminal, described drop-out comprises the numbering of described lost data packets;
Described monitoring terminal transmits the packet of loss again to described host computer according to described drop-out.
2. transmission method as claimed in claim 1, it is characterized in that, described monitoring terminal transmits described packet with preset value transmission frequency to described host computer.
3. transmission method as claimed in claim 2, is characterized in that, before described monitoring terminal transmits numbered packet and packet statistics information successively to host computer, also comprise:
Described monitoring terminal is numbered described packet, and records sum and the numbering of described packet, obtains described packet statistics information.
4. transmission method as claimed in claim 1, is characterized in that, also comprise: described monitoring terminal is according to described packet statistics information and described drop-out calculated data loss rate.
5. transmission method as claimed in claim 4, is characterized in that, also comprise: described monitoring terminal is according to the transmission frequency of described bursts dropping ratio adjustment transmission packet.
6. transmission method as claimed in claim 5, is characterized in that, described monitoring terminal comprises according to the transmission frequency of described bursts dropping ratio adjustment transmission packet:
When judging that described bursts dropping ratio is greater than first threshold, described monitoring terminal adjustment reduces described transmission frequency.
7. transmission method as claimed in claim 5, is characterized in that, described monitoring terminal comprises according to the transmission frequency of described bursts dropping ratio adjustment transmission packet:
When judging that described Loss Rate is less than Second Threshold and described transmission frequency is less than Preset Transfer frequency, described monitoring terminal adjustment increases the transmission frequency of described packet.
8. the transmission method as described in any one of claim 1-7, is characterized in that, described monitoring terminal transmits image data by image data transmission channel to described host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510906606.6A CN105553626A (en) | 2015-12-07 | 2015-12-07 | Method for transmitting monitoring data of mountain torrent disaster early warning monitoring terminal |
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| CN201510906606.6A CN105553626A (en) | 2015-12-07 | 2015-12-07 | Method for transmitting monitoring data of mountain torrent disaster early warning monitoring terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230561A (en) * | 2016-07-22 | 2016-12-14 | 努比亚技术有限公司 | Method of data capture, Apparatus and system |
| CN112880631A (en) * | 2021-02-19 | 2021-06-01 | 国网福建省电力有限公司莆田供电公司 | Tower state monitoring terminal based on skynet link and 4G network dual-mode communication |
| CN116721517A (en) * | 2023-08-10 | 2023-09-08 | 福建省气象信息中心(福建省气象档案馆) | Meteorological data monitoring and early warning method and device based on astronomical mirror |
| CN116844307A (en) * | 2023-07-24 | 2023-10-03 | 广州市水务规划勘测设计研究院有限公司 | Multi-scenario mountain flood early warning method |
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| CN101567794A (en) * | 2008-04-23 | 2009-10-28 | 中广电信有限公司 | Method and device for network transmission of digital movie |
| CN101583088A (en) * | 2008-05-15 | 2009-11-18 | 王小江 | System and method for processing remote scene image information |
| CN103916367A (en) * | 2012-12-31 | 2014-07-09 | 北京新媒传信科技有限公司 | Method and apparatus for transmission of multimedia data |
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| US20020136164A1 (en) * | 2000-02-15 | 2002-09-26 | Kazuma Fukuda | Communication system, communication method, transmitting terminal and receiving terminal |
| CN101567794A (en) * | 2008-04-23 | 2009-10-28 | 中广电信有限公司 | Method and device for network transmission of digital movie |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230561A (en) * | 2016-07-22 | 2016-12-14 | 努比亚技术有限公司 | Method of data capture, Apparatus and system |
| CN112880631A (en) * | 2021-02-19 | 2021-06-01 | 国网福建省电力有限公司莆田供电公司 | Tower state monitoring terminal based on skynet link and 4G network dual-mode communication |
| CN116844307A (en) * | 2023-07-24 | 2023-10-03 | 广州市水务规划勘测设计研究院有限公司 | Multi-scenario mountain flood early warning method |
| CN116844307B (en) * | 2023-07-24 | 2023-12-26 | 广州市水务规划勘测设计研究院有限公司 | Multi-scenario mountain flood early warning method |
| CN116721517A (en) * | 2023-08-10 | 2023-09-08 | 福建省气象信息中心(福建省气象档案馆) | Meteorological data monitoring and early warning method and device based on astronomical mirror |
| CN116721517B (en) * | 2023-08-10 | 2023-11-03 | 福建省气象信息中心(福建省气象档案馆) | Meteorological data monitoring and early warning method and device based on astronomical mirror |
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