CN115426684B - Pre-hospital data receiving method - Google Patents
Pre-hospital data receiving method Download PDFInfo
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- CN115426684B CN115426684B CN202211373098.6A CN202211373098A CN115426684B CN 115426684 B CN115426684 B CN 115426684B CN 202211373098 A CN202211373098 A CN 202211373098A CN 115426684 B CN115426684 B CN 115426684B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
- H04W28/09—Management thereof
- H04W28/0958—Management thereof based on metrics or performance parameters
- H04W28/0967—Quality of Service [QoS] parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
Abstract
The invention relates to the field of communication, and discloses a method for receiving pre-hospital data, which comprises the following steps: the edge server acquires a data packet sent by the mobile terminal, acquires the type and IP information of the data packet, sends data to the mobile terminal according to the type of the data packet, and updates network information according to the IP information and the information of the data packet. The invention can realize the flow tracking of the pre-hospital data and provide reference information for the sending of the data by arranging the edge server and configuring the communication mode of the edge server and the rescue equipment.
Description
Technical Field
The invention relates to the field of communication, in particular to a method for receiving pre-hospital data.
Background
In the existing ambulance emergency rescue network, patient sign data, illness state images, emergency illness state records and the like are transmitted to a hospital at the first time when an ambulance receives a patient, so that doctors in the hospital can make correct guidance and make a rescue scheme in advance, and the vision of 'getting on the bus and getting in the hospital' of the patient is realized.
However, the 5G technology also has the defects of small coverage area, large power consumption and high safety, the emergency ambulance is easy to have network instability and network congestion during the high-speed movement and in the passing through the dense people flow area, and especially for the purpose of saving energy consumption, some base stations may switch the working mode when the load is low, thereby causing unpredictable signal coverage between cells. Therefore, when the method is used in an actual scene, the above-mentioned defects of signal connection of the user terminal using the 5G technology at the cell connection point must be considered, so as to improve the reliability of the data connection.
In the prior art, the technical problems are usually solved by a private network operation mode, however, even if a private network is used, the accessibility of the network, the data transmission problem during the transition of adjacent cells, the load problem of a base station and the influence of carrier movement on data transmission must be considered, and some problems cannot be solved at the ambulance end. Therefore, there is a need to provide a new data receiving method for ambulance pre-hospital information transmission.
Disclosure of Invention
An object of the present invention is to solve at least one of the aforementioned problems, and to provide a method for receiving pre-hospital data, wherein the method comprises:
the edge server acquires a data packet sent by the mobile terminal, acquires the type and IP information of the data packet, sends data to the mobile terminal according to the type of the data packet, and updates network information according to the IP information and the information of the data packet;
if the data packet is a sniffing packet, acquiring a mobile terminal identifier, a first packet timestamp, a network identifier, a first check code and sniffing data of the sniffing packet;
decoding the sniffing data to obtain a second check code, and judging whether the first check code and the second check code are consistent;
if the first check code is consistent with the second check code, acquiring a current timestamp, and sending a response packet to the mobile terminal, wherein the response packet comprises the current timestamp, a third check code and response data;
when the data packet is a request packet, obtaining a mobile terminal identifier, a second packet timestamp, a network identifier, a fourth check code and request data in the request packet;
checking the request data to obtain a fifth check code, judging whether the fourth check code is consistent with the fifth check code, if so, calculating the current network quality of the mobile terminal, and sending data to the mobile terminal according to the network quality and the request data;
and when the data packet is a transmission packet, obtaining the mobile terminal identifier, the third packet timestamp, the network identifier and the data identifier in the transmission packet, judging whether a record consistent with the data identifier exists in the database, if so, updating the sending state of the record in the database, and sending data to the mobile terminal.
According to one aspect of the invention, video data, audio data and on-demand data of the academies are obtained according to the case numbers included in the request data, and secondary data are generated according to original data of the academies.
According to an aspect of the present invention, the request data of the mobile terminal is received, whether the request data is contained in the database is searched, if not, the data is obtained from the hospital side and stored in the database;
and acquiring the response data from the database, selecting a response processor according to the network quality of the mobile terminal, and sending the response data to the mobile terminal.
According to one aspect of the invention, the response processor includes a first processor for transmitting uncompressed source data;
the response processor further includes a second processor for transmitting compressed source data including compressed video data, audio data, image data, and text data.
According to an aspect of the present invention, data is transmitted to the data requesting terminal, a data reception result of the mobile terminal is received, and a data transmission record is created in the database, the data transmission record including a data transmission time and the response processor.
According to one aspect of the invention, the quality of the mobile network is obtained, it is determined whether uncompressed source data can be sent, all data sent via the second processor within the database is obtained, the source data is sent using the first processor, and the record of the database is updated after the transmission is successful.
According to one aspect of the invention, a history data packet is obtained, whether a source IP of the history data packet is consistent with a latest data packet is judged, when the source IP of the history data packet is consistent with the latest data packet, the receiving rate of the latest data packet is obtained according to the size and the receiving time of the history data packet, and source routing information, time information and rate information are recorded, wherein the rate information is a moving average value of the receiving rate of the data packet.
According to one aspect of the invention, when the data packet is the request packet, whether a source IP or a network identifier is changed is judged, if so, the request packet is temporarily stored, information for retransmitting the sniff packet is sent to the mobile terminal, and after the sniff packet is received and the network quality is determined, data is sent according to a cached request.
In order to achieve the above object, the present invention provides an electronic device, which includes a processor, a memory, and a computer program stored in the memory and running on the processor, wherein the computer program, when executed by the processor, implements the above method for receiving pre-hospital data.
To achieve the above object, the present invention provides a computer-readable storage medium on which a computer program is stored, the computer program, when executed by a processor, implementing the above-mentioned receiving method for pre-hospital data.
Based on this, the beneficial effects of the invention are:
(1) The edge server is arranged to receive the service data of the ambulance, so that better accessibility is provided;
(2) By the arrangement of the sniffing packet, the request packet and the transmission packet, the edge server can respond to different data requests of the ambulance and provide reference for the data transmission of the ambulance;
(3) When the edge server processes data, recording and analyzing the mobile terminal identification, the first packet timestamp, the network identification, the first check code and the sniffing data in the data packet, a signal diagram can be constructed by measuring at the edge server, and the data can be used for guiding the data transmission of the ambulance.
Drawings
Fig. 1 schematically shows a flow chart of a method of receiving pre-hospital data according to the invention;
fig. 2 schematically shows a process flow diagram of a sniff packet of a method of reception of pre-hospital data according to the invention;
fig. 3 is a flowchart schematically showing a process of a request packet of a method of receiving pre-hospital data according to the present invention;
fig. 4 is a flowchart schematically showing processing of a transmission packet of a method of receiving pre-hospital data according to the present invention.
Detailed Description
The present invention will now be discussed with reference to exemplary embodiments, it being understood that the embodiments discussed are only for the purpose of enabling a person of ordinary skill in the art to better understand and thus implement the contents of the present invention, and do not imply any limitation on the scope of the present invention.
As used herein, the term "include" and its variants are to be read as open-ended terms meaning "including, but not limited to. The term "based on" is to be read as "based, at least in part, on" and the terms "one embodiment" and "an embodiment" are to be read as "at least one embodiment".
Fig. 1 is a flow chart schematically showing a method for receiving pre-hospital data according to the present invention, and as shown in fig. 1, the method for receiving pre-hospital data according to the present invention comprises:
the method comprises the steps that an edge server obtains a data packet sent by a mobile terminal, obtains the type and IP information of the data packet, sends data to the mobile terminal according to the type of the data packet, and updates network information according to the IP information and the information of the data packet;
if the data packet is a sniffing packet, acquiring a mobile terminal identifier, a first packet timestamp, a network identifier, a first check code and sniffing data of the sniffing packet;
decoding the sniffing data to obtain a second check code, and judging whether the first check code and the second check code are consistent;
if the first check code is consistent with the second check code, the current timestamp is obtained, and a response packet is sent to the mobile terminal, wherein the response packet comprises the current timestamp, the third check code and response data;
when the data packet is a request packet, obtaining a mobile terminal identifier, a second packet timestamp, a network identifier, a fourth check code and request data in the request packet;
checking the request data to obtain a fifth check code, judging whether the fourth check code is consistent with the fifth check code, if so, calculating the current network quality of the mobile terminal, and sending data to the mobile terminal according to the network quality and the request data;
and when the data packet is a transmission packet, obtaining the mobile terminal identifier, the third packet timestamp, the network identifier and the data identifier in the transmission packet, judging whether a record consistent with the data identifier exists in the database, if so, updating the sending state of the record in the database, and sending data to the mobile terminal.
According to one embodiment of the invention, video data, audio data and on-demand data of the academy are acquired according to the case number included in the request data, and secondary data is generated according to the original data of the academy.
According to one embodiment of the invention, request data of a mobile terminal is received, whether the request data is contained in a database is searched, if the request data is not contained in the database, the data is obtained from a hospital side and is stored in the database;
and acquiring response data from the database, selecting a response processor according to the network quality of the mobile terminal, and sending the response data to the mobile terminal.
According to one embodiment of the invention, a response processor includes a first processor for transmitting uncompressed source data;
the response processor further includes a second processor for transmitting compressed source data including compressed video data, audio data, image data, and text data.
According to one embodiment of the invention, data is transmitted to a data request terminal, a data receiving result of a mobile terminal is received, and a data transmission record is created in a database, wherein the data transmission record comprises a data transmission time and a response processor.
According to one embodiment of the invention, the quality of the mobile network is obtained, it is determined whether uncompressed source data can be transmitted, all data transmitted via the second processor in the database is obtained, the source data is transmitted using the first processor, and the record of the database is updated after successful transmission.
According to one embodiment of the invention, a history data packet is obtained, whether a source IP of the history data packet is consistent with a latest data packet is judged, when the source IP of the history data packet is consistent with the latest data packet, the receiving rate of the latest data packet is obtained according to the size and the receiving time of the history data packet, source routing information, time information and rate information are recorded, and the rate information is a moving average value of the receiving rate of the data packet.
According to one embodiment of the invention, when the data packet is a request packet, whether the source IP or the network identifier is changed is judged, if so, the request packet is temporarily stored, the information of retransmitting the sniff packet is sent to the mobile terminal, and after the sniff packet is received and the network quality is determined, the data is sent according to the cached request.
According to an embodiment of the present invention, the data packet may be a typical binary packet, or a JSON packet, or an XML packet, and when the data packet is a binary packet, the packet header is determined to be a specific file, a format of the binary packet may be agreed, for example, 0-4 bytes are an operation identifier, for example, a numerical value is set, for example, 0x1547 is a sniff packet, 0x985A is a data packet, 5-8 bytes are an identifier, recording of information of 65555 devices may be achieved, 9-16 bytes are a timestamp, 17-20 bytes are a network identifier, 21-28 bits are a first check code, 29-32 bits are a length of the sniff data, and 33 bits are data to be sniff, where the first check code is hash (obtained by encrypting the md5 to obtain a specific number of bits), when the data packet is a binary packet or an XML packet, the corresponding information is read according to a key or the corresponding information is read according to XPath, where the first check code is hash for sniff data, and if the data packet is an incorrect transmission format, there is a problem that the data transmission is not possible.
According to an embodiment of the invention, the sniffing data is decoded in a coding mode to obtain the sending load, if the format is incorrect in the decoding execution process, the process represents that the untrusted data is received or the network has a serious problem, only when the data is normal, the sniffing data is hashed to obtain a second verification code, the second verification code is compared with the first verification code, if the data is consistent, the data is judged to be correct, and then the timestamp comparison is carried out to determine the network quality.
According to an embodiment of the present invention, the purpose of sending the timestamp is to enable the local client to obtain the time of the edge server, the sent third check code is a hash code of the response data, and the client may determine a time difference value according to the timestamp, for example, after receiving a complete packet, calculate a real-time data sending average value according to the overall sniffing-response time length and the data length, thereby obtaining a judgment on the network quality and further confirming the service information, for example, assigning a token.
According to an embodiment of the present invention, the request packet may adopt a format similar to that of the sniff packet, where the fourth check code and the fifth check code are both hash information of the requested data, a modification of the technical solution is to hash the transmitted data and provide the sixth check code, and when the data of the packet is received, determine a speed threshold of the network according to the transmitted timestamp and the receiving duration (after the packet data is transmitted after the connection is established), thereby further determining the transmission policy of the data according to the speed threshold.
According to one embodiment of the invention, after the edge server sends the service data to the mobile terminal, the mobile terminal sends a message to the server to report how much length of data has been received; the data packet may contain the name and the receiving status of the processor, and one solution here is that all data is first put in storage and then sent, so as to ensure that all data transmission is traceable.
According to one embodiment of the invention, the secondary data is similar to resolution adjustment, such as 1080p,720p,480p,4k and the like, and comprises the steps of reducing and transmitting the frame rate and the code rate, because the data of the institutions are always stably and continuously connected to the server, the institutions can provide services with optimal network quality, when the data arrives at the carrier end, due to the limitation of the network, the appropriate code rate needs to be selected according to the obtained network load condition for transmission, the transmission process of the secondary data is carried out aiming at the disease case number, and if the requested disease case numbers are inconsistent, the transmission is not carried out.
According to one embodiment of the invention, the database species acquires the case number in the request data, judges whether the case number is the request data initiator and has the authority to acquire, and returns error information if the case number is not the request data initiator.
According to an embodiment of the present invention, the second processor obtains data to be sent, determines a type of the data, selects a compression program of the data according to the type of the data, obtains the compressed data using the data compression program, sends the compressed data to the vehicle, and compresses the data using a conventional compression method such as zip and 7z format when the data to be sent is a text; when the data to be sent is a video, reducing the code rate, the resolution, the frame number and the resolution of the video; when the data to be sent is audio, reducing the code rate of the audio; or obtaining the transcoded data by using a voice-to-text API and sending the transcoded data.
According to an embodiment of the present invention, the local data may be saved all the time, or at least 2 terminals have saved the data, or the yard section has saved the data, and the local data is deleted.
According to one embodiment of the invention, the purpose of acquiring the quality of the mobile network is to ensure that all data of the mobile terminal is transmitted by using a high-quality network when the network is available, and data transmitted by a low network is retransmitted subsequently.
According to an embodiment of the invention, the purpose of obtaining the last data packet is to continuously track the network speed, if the ip is consistent with the network name, the network speed is updated, the network speed is calculated as the email, the ip address is actually the ip of the upper-level network accessed by the mobile terminal, and the situation that the ip of the public network cannot be directly used under the three-layer structure exists.
To achieve the above object, the present invention further provides an electronic device, including: a processor, a memory and a computer program stored on said memory and executable on said processor, which computer program, when executed by the processor, implements a method of receiving pre-hospital data as described above.
In order to achieve the above object, the present invention further provides a computer-readable storage medium, on which a computer program is stored, and the computer program is executed by a processor to implement the above method for receiving pre-hospital data.
Based on the above, the invention has the advantages that the edge server is arranged to receive the service data of the ambulance, so that better accessibility is provided, the edge server can respond to different data requests of the ambulance by setting the sniff packet, the request packet and the transmission packet to provide reference for the data transmission of the ambulance, the edge server processes the data and records and analyzes the mobile terminal identification, the first packet timestamp, the network identification, the first check code and the sniff data in the data packet, and a signal diagram can be measured and constructed on the edge server, and the data can be used for guiding the data transmission of the ambulance.
Those of ordinary skill in the art will appreciate that the modules and algorithm steps described in connection with the embodiments disclosed herein can be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and devices may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and in actual implementation, there may be other divisions, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, each functional module in the embodiments of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module.
The functions may be stored in a computer-readable storage medium if they are implemented in the form of software functional modules and sold or used as separate products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method for transmitting/receiving the power saving signal according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
It should be understood that, the serial numbers of the steps in the summary and the embodiments of the present invention do not absolutely imply the sequence of execution, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Claims (10)
1. A method of receiving pre-hospital data, comprising:
the edge server acquires a data packet sent by the mobile terminal, acquires the type and IP information of the data packet, sends data to the mobile terminal according to the type of the data packet, and updates network information according to the IP information and the information of the data packet;
if the data packet is a sniffing packet, acquiring a mobile terminal identifier, a first packet timestamp, a network identifier, a first check code and sniffing data of the sniffing packet;
decoding the sniffing data to obtain a second check code, and judging whether the first check code and the second check code are consistent;
if the first check code is consistent with the second check code, acquiring a current timestamp, and sending a response packet to the mobile terminal, wherein the response packet comprises the current timestamp, a third check code and response data;
when the data packet is a request packet, obtaining a mobile terminal identifier, a second packet timestamp, a network identifier, a fourth check code and request data in the request packet;
checking the request data to obtain a fifth check code, judging whether the fourth check code is consistent with the fifth check code, if so, calculating the current network quality of the mobile terminal, and sending data to the mobile terminal according to the network quality and the request data;
and when the data packet is a transmission packet, obtaining the mobile terminal identifier, the third packet timestamp, the network identifier and the data identifier in the transmission packet, judging whether a record consistent with the data identifier exists in the database, if so, updating the sending state of the record in the database, and sending data to the mobile terminal.
2. The method for receiving pre-hospital data according to claim 1, wherein video data, audio data and on-demand data of the academies are acquired according to the case numbers included in the request data, and secondary data is generated according to original data of the academies.
3. The method for receiving pre-hospital data according to claim 2, wherein said request data from the mobile terminal is received, whether said request data is contained in the database is retrieved, and if not, the data is obtained from the hospital side and stored in the database;
and acquiring the response data from the database, selecting a response processor according to the network quality of the mobile terminal, and sending the response data to the mobile terminal.
4. A method of receiving pre-hospital data according to claim 3, characterized in that said response processor comprises a first processor for transmitting uncompressed source data;
the response processor further includes a second processor for transmitting compressed source data including compressed video data, audio data, image data, and text data.
5. The method of receiving the pre-hospital data according to claim 4, wherein the data is transmitted to the data requesting terminal, the data receiving result of the mobile terminal is received, and a data transmission record is created in the database, the data transmission record including the data transmission time and the response processor.
6. A method of receiving pre-hospital data according to claim 5, characterized in that the quality of the mobile network is obtained, it is determined whether uncompressed source data can be sent, all the data sent by said second processor in the database is obtained, the source data is sent using said first processor, and the records of the database are updated after the sending is successful.
7. The method of claim 6, wherein historical packets are obtained, whether the source IP of the historical packets is consistent with the latest packet is judged, when the source IP of the historical packets is consistent with the latest packet, the receiving rate of the latest packet is obtained according to the size and the receiving time of the historical packets, and source routing information, time information and rate information are recorded, wherein the rate information is a moving average of the receiving rates of the packets.
8. The method for receiving the pre-hospital data according to claim 7, wherein when the data packet is the request packet, it is determined whether a source IP or a network identifier has changed, if so, the request packet is temporarily stored, information for retransmitting the sniff packet is sent to the mobile terminal, and after receiving the sniff packet and determining the network quality, data is sent according to a buffered request.
9. An electronic device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing a method of receiving pre-hospital data according to any one of claims 1 to 8.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, implements a method of receiving pre-hospital data according to any one of claims 1 to 8.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110392119A (en) * | 2019-08-15 | 2019-10-29 | 维沃移动通信有限公司 | A kind of data transmission method and base station |
| CN110719333A (en) * | 2019-10-18 | 2020-01-21 | 江苏盖睿健康科技有限公司 | Intelligent 5G emergency ambulance cloud emergency system and method |
| CN110730103A (en) * | 2019-10-24 | 2020-01-24 | 苏州盈虚有数信息科技有限公司 | Network quality analysis method and device |
| CN114584485A (en) * | 2022-01-30 | 2022-06-03 | 阿里巴巴（中国）有限公司 | Method, device, equipment and computer readable storage medium for detecting edge network quality |
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| US11451672B2 (en) * | 2020-05-14 | 2022-09-20 | Verizon Patent And Licensing Inc. | Charging and policy interface for local breakout edge gateway |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110392119A (en) * | 2019-08-15 | 2019-10-29 | 维沃移动通信有限公司 | A kind of data transmission method and base station |
| CN110719333A (en) * | 2019-10-18 | 2020-01-21 | 江苏盖睿健康科技有限公司 | Intelligent 5G emergency ambulance cloud emergency system and method |
| CN110730103A (en) * | 2019-10-24 | 2020-01-24 | 苏州盈虚有数信息科技有限公司 | Network quality analysis method and device |
| CN114584485A (en) * | 2022-01-30 | 2022-06-03 | 阿里巴巴（中国）有限公司 | Method, device, equipment and computer readable storage medium for detecting edge network quality |
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