CN113315809B - High-speed data transmission delay tolerance method and system for medical equipment - Google Patents
High-speed data transmission delay tolerance method and system for medical equipment Download PDFInfo
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Abstract
The invention discloses a high-speed data transmission delay tolerance method and a high-speed data transmission delay tolerance system for medical equipment, which are applied to the technical field of medical equipment and medical data network transmission.
Description
Technical Field
The invention relates to the technical field of medical equipment and big data transmission, in particular to a high-speed data transmission delay tolerance method and system of medical equipment.
Background
In various internal systems of modern hospitals, the requirements on real-time performance and safety of communication between medical devices are higher and higher, under specific environments such as remote operations and data transmission peak periods, a channel is occupied for a long time when voice and video transmission is required to be transmitted in the channel, so that some important data messages cannot be timely transmitted to a target node, the load pressure of a large amount of real-time data and non-real-time data on the channel is extremely high, the current existing communication technology cannot meet the requirements of high fault tolerance and low delay rate among the medical devices in real time, and data message fragments may be lost under certain conditions, after the data message fragments are transmitted to a destination, the data message fragments are generally detected by methods such as hamming codes and cyclic redundancy check codes, if the data message fragments fail to pass the detection, that is, if one or more data packet fragments have errors in one byte code bit, the receiving end (destination device) can find the errors according to the same rule, the communication system will send a retransmission request to the source destination address (data source device) of the data packet fragment, and the source destination address will resend the data packet fragment to the destination address (destination device) upon receiving the retransmission request. Therefore, there is a need for a method for reducing the bandwidth waste of the reduced channel between the devices and improving the real-time performance of the real-time data transmission between the medical devices.
Disclosure of Invention
The present invention is directed to a method and system for high-speed data transmission delay tolerance of a medical device, which solves one or more of the problems of the prior art and provides at least one of the advantages.
To achieve the above object, according to an aspect of the present invention, there is provided a high-speed data transmission delay tolerant method of a medical device, the method comprising the steps of:
s100, establishing connection between one or more sending devices and receiving devices;
s200, extracting features of the data to be transmitted, and marking positions of the features in the data to be transmitted;
s300, carrying out IP fragmentation on data to be transmitted to obtain a plurality of fragments, marking each fragment marked with the characteristic as a high priority, and marking each fragment not marked with the characteristic as a low priority; the number of the fragments marked with the characteristics is K1, and the number of the fragments without the marked characteristics is K2;
s400, dividing the communication time of the channel into a plurality of time periods according to a time division multiplex communication method; when K1 is larger than the slicing threshold, marking the data to be transmitted as low-delay data, otherwise marking the data as high-delay data; the slicing threshold value is 30% to 50% of the total slicing amount (K1+ K2);
s500, if the data to be transmitted is low-delay data, performing data transmission according to a first transmission time period sequence, and if the data to be transmitted is high-delay data, performing data transmission according to a second transmission time period sequence;
further, in S100, the connection established between the one or more sending devices and the receiving device is any one of TCP/IP, MQTT, and HTTP connections.
Further, in S200, the data to be transmitted is any one or more of basic data of the medical device, data of a medical item tariff, workload data, additional information data, video, audio, control signals, and data collected by the medical system, which are to be transmitted by the transmitting device, and the medical system includes a plurality of subsystems, each of which includes: HIS system, PACS system, CIS system, RIS system, LIS system, AIMS system, ICUS system, MNWS system, CDSS system.
Wherein the abbreviations have the following meanings: HIS system (hospital management information system), PACS system (medical image information system), CIS system (clinical information system), RIS system (radiology information system), LIS system (laboratory information system), AIMS system (operating room anesthesia information system), ICUS system (intensive care information system), MNWS system (medical workstation system), CDSS system (clinical decision support system).
Preferably, in S200, the method for extracting the features of the data to be transmitted includes: if the data to be transmitted is image or video data, acquiring a characteristic vector by a template-based method, an edge-based method, a gray-scale-based method or a spatial transformation-based method; if the text data is the text data, extracting feature vectors by using a TF-IDF algorithm and a CDF text classification feature extraction method; the features include feature points, feature values, or feature vectors, and the features specifically are: if the audio is characterized by any one of zero crossing rate, spectral centroid, spectral attenuation, mel frequency cepstrum coefficient and chrominance frequency, the image is characterized by a characteristic point, a characteristic value or a characteristic vector, and the control signal is characterized by an interrupt response signal in the control signal.
Further, in S500, the first transmission time period sequence and the second transmission time period sequence are both sequences formed by time periods arranged according to a time sequence, the first transmission time period sequence at least includes K1 time periods of the low delay time period T3 and at least one communication time period T2, and the second transmission time period sequence is an average allocation time period occupied by a channel for communication according to the communication time period T2 of each time period; the low delay period T3 and the communication duration T2 for each period are calculated by: the total time consumed by sending M test data packets with the MTU size to the receiving equipment is recorded as T1; taking 10 as an M default value; communicating with the receiving device in time periods with an interval time T2 as a communication time, wherein the communication time length of each time period is T2, and T2 is T1/M; the duration of the low delay period T3 is the longest time consumed in all consumed durations of sending M test packets of size MTU to the receiving device.
Further, the method for data transmission according to the first transmission time period sequence includes sequentially sending each fragment of the data to be transmitted according to the time length of each time period in the first transmission time period sequence, and restarting the above steps when the time period duration in the first transmission time period sequence is used to send the data to be transmitted is not sent completely, that is, performing data transmission according to the first transmission time period sequence again until each fragment is sent completely.
Further, the method for performing data transmission according to the second transmission time period sequence includes sequentially sending each fragment of the data to be transmitted according to the duration of each time period in the second transmission time period sequence, and when the time period duration in the second transmission time period sequence is used in sequence to finish sending, restarting the above steps, that is, performing data transmission according to the second transmission time period sequence again until each fragment is sent completely.
Preferably, the method for data transmission according to the first transmission time period sequence is as follows:
s601, sequentially sending each fragment of the data to be transmitted according to the duration of each time period in the first transmission time period sequence;
s602, when the time period duration in the first transmission time period sequence is used for completing the transmission, detecting the reconstruction transition fragments when the transmission of each fragment of the data to be transmitted is not completed: the method for detecting the reconstruction transition fragment comprises the following steps: scanning the frequency A1 of the occurrence of the feature with the highest occurrence frequency in each fragment of the data to be transmitted which is not sent completely, marking the fragment where the feature with the highest occurrence frequency is located as a transition fragment, and marking the feature with the highest occurrence frequency as a transition feature;
detecting the occurrence times A2 of the transition characteristics in each sent fragment in the receiving equipment;
when A2 is greater than A1, reconstructing the transition fragment at the receiving equipment end, adding the transition fragment to the receiving equipment, and deleting the fragment to be transitioned from the data to be transmitted at the transmitting end;
the method for reconstructing the transition fragment at the receiving device end comprises the following steps: calculating the average value A4 of A2 and A3 by the frequency A3 of the appearance of the feature with the lowest appearance frequency in each sent fragment scanned in the receiving device; if the slice with the characteristic occurrence frequency A4 exists in the receiving equipment, selecting the slice as a slice substrate, otherwise, selecting the slice with the characteristic occurrence frequency A2 in the receiving equipment as a slice substrate;
if the split substrate is the split where the feature occurrence frequency A4 is located, replacing and covering the transition feature on the feature position of the occurrence frequency A4 in the split substrate to obtain a transition split, otherwise, directly taking the split substrate as the transition split;
s603, resume the above steps S601 to S602, that is, resume data transmission according to the first transmission time interval sequence until each fragment is sent.
Preferably, the size of the slices is smaller than MTU (maximum transmission unit).
The invention also provides a high-speed data transmission delay tolerant system based on the medical equipment, which comprises the following components: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to run in the units of the following system:
a connection establishing unit, configured to establish a connection between one or more sending devices and a receiving device;
the characteristic marking unit is used for extracting characteristics of the data to be transmitted and marking the positions of the characteristics in the data to be transmitted;
the fragment priority unit is used for carrying out IP fragmentation on data to be transmitted to obtain a plurality of fragments, marking each fragment marked with the characteristic as a high priority and marking each fragment not marked with the characteristic as a low priority; wherein the number of the fragments marked with the characteristics is K1, and the number of the fragments without the marked characteristics is K2;
a channel time period unit for dividing the communication time of the channel into a plurality of time periods according to a time division multiplex communication method; when K1 is larger than the slicing threshold, marking the data to be transmitted as low-delay data, otherwise marking the data as high-delay data;
and the data transmission unit is used for carrying out data transmission according to the first transmission time period sequence if the data to be transmitted is low-delay data, and carrying out data transmission according to the second transmission time period sequence if the data to be transmitted is high-delay data.
The invention has the beneficial effects that: the invention provides a high-speed data transmission delay tolerance method and a high-speed data transmission delay tolerance system for medical equipment, wherein after a sending device and a receiving device among a plurality of medical equipment are connected, the characteristics of a data packet of medical big data are extracted and then IP fragmentation is carried out, so that the data priority is calibrated, and main characteristic data can be preferentially transmitted to the receiving device during rapid transmission, so that key characteristic data can be rapidly obtained at a receiving end, the high-speed data transmission delay caused by a congestion peak period is avoided, the data transmission quality can be stably improved through the existing network architecture, and the risk of transmission real-time reduction caused by data congestion is reduced.
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The above and other features of the present invention will become more apparent by describing in detail embodiments thereof with reference to the attached drawings in which like reference numerals designate the same or similar elements, it being apparent that the drawings in the following description are merely exemplary of the present invention and other drawings can be obtained by those skilled in the art without inventive effort, wherein:
FIG. 1 is a flow chart of a method for high speed data transmission delay tolerance for a medical device;
FIG. 2 is a block diagram of a high speed data transmission delay tolerant system for a medical device.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1, a flow chart of a high-speed data transmission delay tolerant method of a medical device according to the present invention is shown, and the high-speed data transmission delay tolerant method of the medical device according to the embodiment of the present invention is described below with reference to fig. 1.
The invention provides a high-speed data transmission delay tolerance method of medical equipment, which specifically comprises the following steps:
s100, establishing connection between one or more sending devices and receiving devices;
s200, extracting features of data to be transmitted, and marking positions of the features in the data to be transmitted;
s300, carrying out IP fragmentation on the data to be transmitted to obtain a plurality of fragments, marking each fragment marked with the characteristic as a high priority, and marking each fragment not marked with the characteristic as a low priority; wherein the number of the fragments marked with the characteristics is K1, and the number of the fragments without the marked characteristics is K2;
s400, dividing the communication time of the channel into a plurality of time periods according to a time division multiplex communication method; when K1 is larger than the slicing threshold, marking the data to be transmitted as low-delay data, otherwise marking the data as high-delay data; the slicing threshold value is 30% to 50% of the total slicing amount (K1+ K2);
s500, if the data to be transmitted is low-delay data, performing data transmission according to a first transmission time period sequence, and if the data to be transmitted is high-delay data, performing data transmission according to a second transmission time period sequence;
further, in S100, the connection established between the one or more sending devices and the receiving device is any one of TCP/IP, MQTT, and HTTP connections.
Further, in S200, the data to be transmitted is any one or more of basic data of the medical device, data of a medical item tariff, workload data, additional information data, video, audio, control signals, and data collected by the medical system, which are prepared to be transmitted by the transmitting device, and the medical system includes a plurality of subsystems, each of which includes: HIS system, PACS system, CIS system, RIS system, LIS system, AIMS system, ICUS system, MNWS system, CDSS system.
Wherein the abbreviations have the following meanings: HIS system (hospital management information system), PACS system (medical image information system), CIS system (clinical information system), RIS system (radiology information system), LIS system (laboratory information system), AIMS system (operating room anesthesia information system), ICUS system (intensive care information system), MNWS system (medical workstation system), CDSS system (clinical decision support system).
Preferably, in S200, the method for extracting the features of the data to be transmitted includes: if the data to be transmitted is image or video data, acquiring a characteristic vector by a template-based method, an edge-based method, a gray-scale-based method or a spatial transformation-based method; if the text data is the text data, extracting feature vectors by using a TF-IDF algorithm and a CDF text classification feature extraction method; the features include feature points, feature values, or feature vectors, and the features specifically are: if the audio is characterized by any one of zero crossing rate, spectral centroid, spectral attenuation, mel frequency cepstrum coefficient and chrominance frequency, the image is characterized by a characteristic point, a characteristic value or a characteristic vector, and the control signal is characterized by an interrupt response signal in the control signal.
Further, in S500, the first transmission time period sequence and the second transmission time period sequence are both sequences formed by time periods arranged according to a time sequence, the first transmission time period sequence at least includes K1 time periods of the low delay time period T3 and at least one communication time period T2, and the second transmission time period sequence is an average allocation time period occupied by a channel for communication according to the communication time period T2 of each time period; the low delay period T3 and the communication duration T2 for each period are calculated by: the total time consumed by sending M test data packets with the MTU size to the receiving equipment is recorded as T1; taking 10 as an M default value; communicating with the receiving device in time periods with an interval time T2 as a communication time, wherein the communication time length of each time period is T2, and T2 is T1/M; the duration of the low delay period T3 is the longest time consumed in all consumed durations of sending M test packets of size MTU to the receiving device.
Further, the method for data transmission according to the first transmission time period sequence includes sequentially sending each fragment of the data to be transmitted according to the time length of each time period in the first transmission time period sequence, and restarting the above steps when the time period duration in the first transmission time period sequence is used to send the data to be transmitted is not sent completely, that is, performing data transmission according to the first transmission time period sequence again until each fragment is sent completely.
Further, the method for performing data transmission according to the second transmission time period sequence includes sequentially sending each fragment of the data to be transmitted according to the duration of each time period in the second transmission time period sequence, and when the time period duration in the second transmission time period sequence is used in sequence to finish sending, restarting the above steps, that is, performing data transmission according to the second transmission time period sequence again until each fragment is sent completely.
Preferably, the method for data transmission according to the first transmission time period sequence is as follows:
s601, sequentially sending each fragment of the data to be transmitted according to the duration of each time period in the first transmission time period sequence;
s602, when the time period duration in the first transmission time period sequence is used for completing the transmission, detecting the reconstruction transition fragments when the transmission of each fragment of the data to be transmitted is not completed: the method for detecting the reconstruction transition fragment comprises the following steps: scanning the frequency A1 of the occurrence of the feature with the highest occurrence frequency in each fragment of the data to be transmitted which is not sent completely, marking the fragment where the feature with the highest occurrence frequency is located as a transition fragment, and marking the feature with the highest occurrence frequency as a transition feature;
detecting the occurrence times A2 of the transition characteristics in each sent fragment in the receiving equipment;
when A2 is greater than A1, reconstructing the transition fragment at the receiving equipment end, adding the transition fragment to the receiving equipment, and deleting the fragment to be transitioned from the data to be transmitted at the transmitting end;
the method for reconstructing the transition fragment at the receiving device end comprises the following steps: calculating the average value A4 of A2 and A3 by the frequency A3 of the appearance of the feature with the lowest appearance frequency in each sent fragment scanned in the receiving device; if the slice with the characteristic occurrence frequency A4 exists in the receiving equipment, selecting the slice as a slice substrate, otherwise, selecting the slice with the characteristic occurrence frequency A2 in the receiving equipment as a slice substrate;
if the split substrate is the split where the feature occurrence frequency A4 is located, replacing and covering the transition feature on the feature position of the occurrence frequency A4 in the split substrate to obtain a transition split, otherwise, directly taking the split substrate as the transition split;
s603, resume the above steps S601 to S602, that is, resume data transmission according to the first transmission time interval sequence until each fragment is sent.
Preferably, the size of the slices is smaller than MTU (maximum transmission unit).
The embodiment of the present invention provides a high-speed data transmission delay tolerant system based on a medical device, and as shown in fig. 2, is a structural diagram of the high-speed data transmission delay tolerant system based on a medical device of the present invention, and the high-speed data transmission delay tolerant system based on a medical device of the embodiment includes: a processor, a memory, and a computer program stored in the memory and executable on the processor, the processor implementing the steps in the above-described high-speed data transmission delay tolerant system embodiment based on a medical device when executing the computer program.
The system comprises: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to run in the units of the following system:
a connection establishing unit, configured to establish a connection between one or more sending devices and a receiving device;
the characteristic marking unit is used for extracting characteristics of the data to be transmitted and marking the positions of the characteristics in the data to be transmitted;
the fragment priority unit is used for carrying out IP fragmentation on data to be transmitted to obtain a plurality of fragments, marking each fragment marked with the characteristic as a high priority and marking each fragment not marked with the characteristic as a low priority; wherein the number of the fragments marked with the characteristics is K1, and the number of the fragments without the marked characteristics is K2;
a channel time period unit for dividing the communication time of the channel into a plurality of time periods according to a time division multiplex communication method; when K1 is larger than the slicing threshold, marking the data to be transmitted as low-delay data, otherwise marking the data as high-delay data;
and the data transmission unit is used for carrying out data transmission according to the first transmission time period sequence if the data to be transmitted is low-delay data, and carrying out data transmission according to the second transmission time period sequence if the data to be transmitted is high-delay data.
The high-speed data transmission delay tolerant system based on the medical equipment can be operated in computing equipment such as desktop computers, notebooks, palm computers, cloud servers and the like. The high-speed data transmission delay tolerant system based on the medical equipment can be operated by a system comprising, but not limited to, a processor and a memory. It will be understood by those skilled in the art that the examples are merely examples of a high speed data transmission delay tolerant system based on a medical device and do not constitute a limitation of a high speed data transmission delay tolerant system based on a medical device, and may include more or less than a proportion of components, or some components in combination, or different components, for example, the high speed data transmission delay tolerant system based on a medical device may also include input output devices, network access devices, buses, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor is the control center of the high speed data transmission delay tolerant system operating system based on a medical device, and various interfaces and lines are used to connect various parts of the whole high speed data transmission delay tolerant system operating system based on a medical device.
The memory may be used to store the computer programs and/or modules, and the processor may implement the various functions of the high-speed data transmission delay tolerant system based on a medical device by running or executing the computer programs and/or modules stored in the memory and invoking the data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
While the present invention has been described in considerable detail and with particular reference to a few illustrative embodiments thereof, it is not intended to be limited to any such details or embodiments or any particular embodiments, but it is to be construed as effectively covering the intended scope of the invention by providing a broad, potential interpretation of such claims in view of the prior art with reference to the appended claims. Furthermore, the foregoing describes the invention in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the invention, not presently foreseen, may nonetheless represent equivalent modifications thereto.
Claims (10)
1. A high-speed data transmission delay tolerant method of a medical device, the method comprising the steps of:
s100, establishing connection between one or more sending devices and receiving devices;
s200, extracting features of data to be transmitted, and marking positions of the features in the data to be transmitted;
s300, carrying out IP fragmentation on data to be transmitted to obtain a plurality of fragments, marking each fragment marked with the characteristic as a high priority, and marking each fragment not marked with the characteristic as a low priority; the number of the fragments marked with the characteristics is K1, and the number of the fragments without the marked characteristics is K2;
s400, dividing the communication time of the channel into a plurality of time periods according to a time division multiplex communication method; when K1 is larger than the slicing threshold, marking the data to be transmitted as low-delay data, otherwise marking the data as high-delay data;
and S500, if the data to be transmitted is low-delay data, performing data transmission according to a first transmission time period sequence, and if the data to be transmitted is high-delay data, performing data transmission according to a second transmission time period sequence.
2. The method according to claim 1, wherein the connection between the one or more sending devices and the receiving device is any one of TCP/IP, MQTT and HTTP connection in S100.
3. The high-speed data transmission delay tolerant method for medical equipment according to claim 1, wherein in S200, the data to be transmitted is any one or more of medical equipment basic data, medical item tariff data, workload data, additional information data, video, audio, control signals, and data collected by a medical system, the medical system comprises a plurality of subsystems, each subsystem comprises: HIS system, PACS system, CIS system, RIS system, LIS system, AIMS system, ICUS system, MNWS system, CDSS system.
4. The high-speed data transmission delay tolerant method of the medical device according to claim 1, wherein in S200, the method for extracting the features of the data to be transmitted comprises: if the data to be transmitted is image or video data, acquiring a characteristic vector by a template-based method, an edge-based method, a gray-scale-based method or a spatial transformation-based method; if the text data is the text data, extracting feature vectors by using a TF-IDF algorithm and a CDF text classification feature extraction method; the feature includes a feature point, a feature value, or a feature vector.
5. The method according to claim 1, wherein the fragmentation threshold is set at a value between 30% and 50% of the total amount of fragmentation in S400.
6. The high-speed data transmission delay tolerant method of a medical device according to claim 1, wherein in S500, the first transmission time period sequence and the second transmission time period sequence are both sequences of time periods arranged in chronological order, the first transmission time period sequence includes at least K1 time periods of low delay time periods T3 and at least one communication time period T2, and the second transmission time period sequence is an average allocation time period for communication occupation of channels according to the communication time period T2 of each time period; the low delay period T3 and the communication duration T2 for each period are calculated by: the total time consumed by sending M test data packets with the MTU size to the receiving equipment is recorded as T1; taking 10 as an M default value; communicating with the receiving device in time periods with an interval time T2 as a communication time, wherein the communication time length of each time period is T2, and T2 is T1/M; the duration of the low delay period T3 is the longest time consumed in all consumed durations of sending M test packets of size MTU to the receiving device.
7. The method for tolerating the high-speed data transmission delay of the medical device as claimed in claim 6, wherein the data transmission according to the first transmission time period sequence is performed by:
s601, sequentially sending each fragment of the data to be transmitted according to the duration of each time period in the first transmission time period sequence;
s602, when the time period duration in the first transmission time period sequence is used for completing the transmission, detecting the reconstruction transition fragments when the transmission of each fragment of the data to be transmitted is not completed: the method for detecting the reconstruction transition fragment comprises the following steps: scanning the frequency A1 of the occurrence of the feature with the highest occurrence frequency in each fragment of the data to be transmitted which is not sent completely, marking the fragment where the feature with the highest occurrence frequency is located as a transition fragment, and marking the feature with the highest occurrence frequency as a transition feature;
detecting the occurrence times A2 of the transition characteristics in each sent fragment in the receiving equipment;
when A2 is greater than A1, reconstructing the transition fragment at the receiving equipment end, adding the transition fragment to the receiving equipment, and deleting the fragment to be transitioned from the data to be transmitted at the transmitting end;
the method for reconstructing the transition fragment at the receiving device end comprises the following steps: calculating the average value A4 of A2 and A3 by the frequency A3 of the appearance of the feature with the lowest appearance frequency in each sent fragment scanned in the receiving device; if the slice with the characteristic occurrence frequency A4 exists in the receiving equipment, selecting the slice as a slice substrate, otherwise, selecting the slice with the characteristic occurrence frequency A2 in the receiving equipment as a slice substrate;
if the split substrate is the split where the feature occurrence frequency A4 is located, replacing and covering the transition feature on the feature position of the occurrence frequency A4 in the split substrate to obtain a transition split, otherwise, directly taking the split substrate as the transition split;
s603, resume the above steps, that is, resume data transmission according to the first transmission time interval sequence until each segment is sent.
8. The high-speed data transmission delay tolerant method for medical equipment according to claim 1, wherein the method for transmitting data according to the second transmission time period sequence is that the fragments of the data to be transmitted are sequentially transmitted according to the time lengths of the time periods in the second transmission time period sequence, and when the time period lengths in the second transmission time period sequence are sequentially used for transmission, the fragments of the data to be transmitted are not completely transmitted, and the above steps are restarted, that is, the data transmission is performed again according to the second transmission time period sequence until the fragments are completely transmitted.
9. The method of claim 1, wherein the slices are each smaller than the MTU in size.
10. A high speed data transmission delay tolerant system based on a medical device, the system comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to run in the units of the following system:
a connection establishing unit, configured to establish a connection between one or more sending devices and a receiving device;
the characteristic marking unit is used for extracting the characteristics of the data to be transmitted and marking the positions of the characteristics in the data to be transmitted;
the fragment priority unit is used for carrying out IP fragmentation on data to be transmitted to obtain a plurality of fragments, marking each fragment marked with the characteristic as a high priority and marking each fragment not marked with the characteristic as a low priority; wherein the number of the fragments marked with the characteristics is K1, and the number of the fragments without the marked characteristics is K2;
a channel time period unit for dividing the communication time of the channel into a plurality of time periods according to a time division multiplex communication method; when K1 is larger than the slicing threshold, marking the data to be transmitted as low-delay data, otherwise marking the data as high-delay data;
and the data transmission unit is used for carrying out data transmission according to the first transmission time period sequence if the data to be transmitted is low-delay data, and carrying out data transmission according to the second transmission time period sequence if the data to be transmitted is high-delay data.
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| CN202110435389.2A CN113315809B (en) | 2021-04-22 | 2021-04-22 | High-speed data transmission delay tolerance method and system for medical equipment |
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| CN202110435389.2A CN113315809B (en) | 2021-04-22 | 2021-04-22 | High-speed data transmission delay tolerance method and system for medical equipment |
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