WO2021167386A1 - 연속 혈당 측정 시스템에서 송신 패킷 식별자에 기초하여 분실없이 생체 정보를 송수신하는 방법 - Google Patents
연속 혈당 측정 시스템에서 송신 패킷 식별자에 기초하여 분실없이 생체 정보를 송수신하는 방법 Download PDFInfo
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- WO2021167386A1 WO2021167386A1 PCT/KR2021/002097 KR2021002097W WO2021167386A1 WO 2021167386 A1 WO2021167386 A1 WO 2021167386A1 KR 2021002097 W KR2021002097 W KR 2021002097W WO 2021167386 A1 WO2021167386 A1 WO 2021167386A1
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- transmission packet
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- sensor transmitter
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- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
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- A61B5/14503—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
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- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
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Definitions
- the present invention relates to a method for transmitting and receiving biometric information in a continuous blood glucose measurement system, and more specifically, in each communication period, an identifier for the last transmission packet received from a communication terminal first is transmitted to a sensor transmitter, and the sensor transmitter generates after the last transmission packet
- the present invention relates to a method for transmitting and receiving biometric information capable of transmitting biometric information generated by a sensor transmitter to a communication terminal without loss by transmitting the received transmission packet to a communication terminal.
- Diabetes mellitus is a chronic disease that occurs frequently in modern people, with more than 2 million people in Korea accounting for 5% of the total population.
- Diabetes mellitus is caused by an absolute or relatively insufficient amount of insulin produced by the pancreas due to various causes such as obesity, stress, wrong eating habits, and congenital heredity. get sick and get sick
- Blood usually contains a certain concentration of glucose, and the tissue cells get energy from it.
- glucose increases more than necessary, it is not stored properly in the liver, muscle, or fat cells and is accumulated in the blood. As it is excreted, sugar, which is absolutely necessary for each tissue in the body, becomes insufficient, causing abnormalities in each tissue of the body.
- Diabetes mellitus is characterized by almost no subjective symptoms in the early stages. As the disease progresses, the symptoms characteristic of diabetes include polyphagia, polyuria, weight loss, general malaise, itchy skin, and long-lasting wounds on the hands and feet that do not heal. As the disease progresses further, complications that progress to visual impairment, hypertension, kidney disease, stroke, periodontal disease, muscle spasms and neuralgia, and gangrene appear.
- Diabetes mellitus needs to constantly measure blood sugar for management, so the demand for devices related to blood sugar measurement is steadily increasing. It has been confirmed through various studies that, when diabetic patients strictly control blood sugar, the incidence of complications of diabetes is significantly reduced. Accordingly, it is very important for diabetic patients to measure blood sugar regularly to control blood sugar.
- a finger prick method is mainly used for blood sugar management in diabetic patients.
- Such a blood prick method helps the diabetic patient to manage blood sugar, but because only the result at the time of measurement is displayed, the blood sugar level that changes frequently is monitored. There is a problem that is difficult to pinpoint precisely.
- the blood-collecting type blood glucose device needs to collect blood every time to measure blood glucose frequently during the day, so there is a problem in that the burden of blood collection is large for diabetic patients.
- Diabetics typically alternate between hyperglycemic and hypoglycemic states, with emergencies occurring in hypoglycemic states. Hypoglycemia occurs when the sugar does not last for a long time and can lead to loss of consciousness or, in the worst case, death. Therefore, prompt detection of hypoglycemic conditions is very important for diabetic patients. However, there is a clear limit to the blood sampling type blood glucose meter that measures blood glucose intermittently.
- CGMS continuous glucose monitoring system
- the continuous blood glucose measurement system includes a sensor transmitter attached to a body part of a user to measure blood glucose by extracting body fluid, and a communication terminal for outputting a received blood glucose level.
- the sensor transmitter measures the user's blood sugar for a predetermined period, for example, about 15 days, while the sensor is inserted into the human body to generate blood sugar information.
- the sensor transmitter periodically generates blood sugar information, and the communication terminal periodically receives the blood sugar information and outputs the received blood sugar information so that the user can check it.
- the sensor transmitter and the communication terminal transmit and receive blood glucose information in a wired communication method or a wireless communication method, and the communication terminal must continuously receive transmission packets from the sensor transmitter without loss.
- the communication terminal cannot continuously receive blood glucose information from the sensor transmitter, and this prevents the user from continuously monitoring his or her blood glucose information through the communication terminal. happens to be
- the present invention is to solve the problem of the conventional method for transmitting and receiving biometric information between a sensor transmitter and a communication terminal mentioned above. Accordingly, there is provided a method of generating a transmission packet to include an identifier for identifying the transmission packet and transmitting/receiving biometric information through the identifier of the transmission packet without loss of the transmission packet.
- Another object of the present invention is to transmit the identifier of the last transmission packet received from the communication terminal to the sensor transmitter at each communication interval, and the sensor transmitter transmits the transmission packet generated after the last transmission packet to the communication terminal without loss. to provide a method for transmitting and receiving
- Another object of the present invention is to transmit an identifier for the last transmission packet received by the communication terminal to the sensor transmitter at each communication interval, and the sensor transmitter transmits to the communication terminal during the communication interval based on the identifier for the last transmission packet
- An object of the present invention is to provide a method for transmitting and receiving biometric information that does not require transmission and reception of an additional message for checking whether the transmission packet is successfully received between the communication terminal and the sensor transmitter by calculating the total number of transmission packets to be transmitted and providing the information to the communication terminal.
- Another object of the present invention is to determine whether there is a non-received transmission packet based on the total number of transmission packets to be transmitted by the sensor transmitter and the identifier of the transmission packet received from the sensor transmitter, and request the non-received transmission packet during the next communication interval. It is to provide a method for transmitting and receiving biometric information that can be received.
- the method for transmitting and receiving biometric information includes the steps of receiving the total number of transmission packets to be transmitted by the sensor transmitter from the sensor transmitter and receiving the transmission packets from the sensor transmitter during a set first communication interval and storing the received transmission packets, and on the basis of the total number of transmission packets, receiving transmission packets as much as the total number of transmission packets from the sensor transmitter or terminating communication with the sensor transmitter when the first communication interval ends It is characterized in that it includes.
- the sensor transmitter generates a transmission packet to be transmitted to the communication terminal having the biometric information measured by the measurement sensor, and the transmission packet includes a generation identifier for identifying the transmission packet according to the generation order of the transmission packet.
- the method for transmitting and receiving biometric information according to the present invention is characterized in that it further comprises the step of transmitting an information request message having an identifier of a last transmission packet pre-stored in the communication terminal from the communication terminal to the sensor transmitter.
- the sensor transmitter is characterized in that it calculates the total number of transmission packets to be transmitted to the communication terminal during the first communication interval based on the previously stored identifier of the last transmission packet received from the communication terminal.
- the method for transmitting and receiving biometric information includes counting the number of transmission packets received from the sensor transmitter based on the generation identifier of the transmission packet, and determining the identifier of the transmission packet last received during the first communication interval It is characterized in that it further comprises the step of
- the method for transmitting and receiving biometric information according to the present invention further comprises the step of arranging the identifiers of the transmission packets received during the first communication interval in an ascending order.
- the communication terminal in a second communication communication interval consecutive to the first communication interval, sends an information request message having an identifier of a transmission packet last received during the first communication interval to the sensor transmitter
- the method further comprises transmitting to, the sensor transmitter based on the identifier of the last received transmission packet during the first communication interval based on the newly generated transmission packet after the identifier of the last received transmission packet during the first communication interval to calculate the total number of transmission packets to be transmitted by the sensor transmitter to the communication terminal during the second communication interval.
- the identifier of the last transmission packet pre-stored in the communication terminal among the transmission packets received during the first communication interval based on the identifier of the transmission packet received during the first communication interval
- the method further comprises the step of determining whether a transmission packet of the next sequence has been received, and an identifier of the last transmission packet pre-stored in the communication terminal among transmission packets received during the first communication interval. It is characterized in that the information request message including the identifier of the last transmission packet stored in advance is transmitted to the sensor transmitter.
- the method for transmitting and receiving biometric information further comprises the step of determining whether there is a transmission packet that has not been continuously received during the first communication interval based on the identifier of the transmission packet received during the first communication interval. Including, when there is a transmission packet that has not been continuously received during the first communication interval, an information request message having an identifier of the last transmission packet among transmission packets continuously received during the first communication interval is sent to the sensor in the second communication interval It is characterized by transmitting to the transmitter.
- the method for transmitting and receiving biometric information is based on the total number of transmission packets to be transmitted from the sensor transmitter during the first communication interval and the identifier of the transmission packet received from the communication terminal during the first communication interval. Further comprising the step of determining the identifier of the communication packet not received during the first communication interval, characterized in that for transmitting the information request message including the identifier of the communication packet not received during the first communication interval to the sensor transmitter.
- the method for transmitting and receiving a transmission packet according to the present invention has various effects as follows.
- the method for transmitting and receiving biometric information generates a transmission packet to include an identifier for identifying the transmission packet according to the generation order of the transmission packet when the sensor transmitter generates the transmission packet, thereby transmitting the transmission packet through the identifier of the transmission packet.
- Biometric information can be transmitted and received without packet loss.
- an identifier for the last transmission packet received from the communication terminal is first transmitted at each communication interval to the sensor transmitter, and the sensor transmitter transmits the identifier for the last transmission packet during the corresponding communication interval based on the identifier for the last transmission packet.
- an identifier for the last transmission packet received from the communication terminal is first transmitted to the sensor transmitter at each communication interval, and the sensor transmitter transmits the transmission packet generated after the last transmission packet to the communication terminal.
- the method for transmitting and receiving biometric information determines whether there is an unreceived transmission packet based on the total number of transmission packets to be transmitted by the sensor transmitter and the identifier of the transmission packet received from the sensor transmitter, and based on the non-received transmission packet By providing the identifier of the last received transmission packet from the communication terminal to the sensor transmitter, it is possible to request and receive an unreceived transmission packet during the next communication interval.
- FIG. 1 is a schematic diagram illustrating a continuous blood glucose measurement system according to an embodiment of the present invention.
- Figure 2 is a view showing an applicator for attaching the sensor transmitter of the present invention to the body.
- 3 and 4 are diagrams for explaining a process of attaching the sensor transmitter to the human body using an applicator.
- FIG. 5 is a diagram for explaining a message transmitted and received between a sensor transmitter and a communication terminal.
- FIG. 6 is a functional block diagram illustrating a sensor transmitter according to an embodiment of the present invention.
- FIG. 7 is a diagram for explaining an example in which biometric information is generated by a sensor transmitter.
- FIG. 8 is a diagram for explaining an example of generating a transmission packet in a sensor transmitter.
- FIG. 9 is a functional block diagram illustrating a communication terminal according to the present invention.
- FIG. 10 is a functional block diagram illustrating an example of a packet manager according to the present invention.
- FIG. 11 is a flowchart illustrating a method for receiving biometric information from a sensor transmitter according to the present invention.
- FIG. 12 is a flowchart illustrating an example of generating an information request message after communication is terminated.
- FIG. 13 is a flowchart illustrating an example of generating an information request message according to a non-received type of a transmission packet.
- FIG. 1 is a schematic diagram illustrating a continuous blood glucose measurement system according to an embodiment of the present invention.
- a continuous blood glucose measurement system 1 includes a sensor transmitter 10 and a communication terminal 30 .
- the sensor transmitter 10 is attached to the body, and when the sensor transmitter 10 is attached to the body, one end of the sensor of the sensor transmitter 10 is inserted into the skin to periodically extract the body fluid of the human body to measure blood sugar.
- the communication terminal 30 is a terminal capable of receiving blood sugar information from the sensor transmitter 10 and displaying the received blood sugar information to the user, and can communicate with the sensor transmitter 10 such as a smartphone, tablet PC, or laptop computer.
- a mobile terminal can be used.
- the communication terminal 13 is not limited thereto, and may be any type of terminal as long as it includes a communication function and can install a program or application.
- the sensor transmitter 10 transmits blood glucose information measured periodically at the request of the communication terminal 30 or at every set time to the communication terminal 30 , and data communication between the sensor transmitter 10 and the communication terminal 30 .
- the sensor transmitter 10 and the communication terminal 30 may be communication-connected to each other through a wired connection using a USB cable or the like, or may be communication-connected through a wireless communication method such as infrared communication, NFC communication, or Bluetooth.
- the sensor transmitter 10 is attached to a part of the body through an applicator
- Figure 2 is a view showing an applicator for attaching the sensor transmitter of the present invention to the body
- Figures 3 and 4 are the sensor transmitter using the applicator It is a drawing for explaining the process of attaching to the human body.
- the applicator 50 has a sensor transmitter 10 therein, and discharges the sensor transmitter 10 to the outside by the user's manipulation to the user's specific body part works to attach to
- the applicator 50 is formed in an open shape on one side, and the sensor transmitter 10 is installed on the applicator 50 through the open surface of the applicator 50 .
- the applicator 50 When the sensor transmitter 10 is attached to a body part using the applicator 50, in order to insert one end of the sensor provided in the sensor transmitter 10 into the skin, the applicator 50 is formed to wrap one end of the sensor inside.
- a needle (not shown), a first elastic member (not shown) for pushing the needle and one end of the sensor together to the skin, and a second elastic member (not shown) for withdrawing only the needle are provided.
- the needle and one end of the sensor are simultaneously inserted into the skin by compression release of the first elastic member (not shown) arranged in a compressed state inside the applicator 50, and one end of the sensor is inserted into the skin Only the needle is drawn out by the compression release of the second elastic member (not shown) compressed during the time. The user can safely and easily attach the sensor transmitter 10 to the skin through the applicator 50 .
- the open surface of the applicator 50 is applied to a specific part of the body skin ( 20) is attached.
- the sensor transmitter 10 may be attached to the skin 20 while being discharged from the applicator 50 .
- the sensor transmitter 10 may be attached to the skin 20 in a state where one end of the sensor 12 is inserted into the skin 20 .
- an adhesive tape may be provided on the body contact surface of the sensor transmitter 10 so that the sensor transmitter 10 can be fixedly attached to the skin 20 of the body. Therefore, when the applicator 50 is spaced apart from the skin 20 of the body, the sensor transmitter 10 is fixedly attached to the skin 20 of the body by an adhesive tape.
- the sensor transmitter 10 communicates with the communication terminal 50 , and the sensor transmitter 10 transmits measured blood glucose information to the communication terminal.
- the sensor transmitter 10 may measure not only blood sugar information but also various biometric information. Hereinafter, measurement of blood sugar information will be described as an example of biometric information.
- FIG. 5 is a diagram for explaining a message transmitted and received between a sensor transmitter and a communication terminal.
- the sensor transmitter when a transmission packet including measured blood glucose information is generated, the sensor transmitter periodically transmits the generated transmission packet to the communication terminal at a set communication interval, and the sensor transmitter transmits the transmission packet at each communication period. In order to do this, an advertisement message is transmitted to the peripheral device (S1).
- the communication terminal that has received the advertisement message connects the sensor transmitter to communication.
- the communication terminal transmits an information request message to the sensor transmitter (S3).
- the information request message includes the identifier of the last transmission packet pre-stored in the communication terminal or information on the total number of transmission packets received and stored by the communication terminal. It may be an assigned serial number, and it is possible to determine the total number of transmission packets received from the communication terminal through the previously stored identifier of the last transmission packet.
- the sensor transmitter calculates the total number of transmission packets to be transmitted from the sensor transmitter to the communication terminal during the communication-connected communication interval based on the identifier of the last transmission packet stored in advance in the communication terminal, and the number of transmission packets to be transmitted from the sensor transmitter to the communication terminal during the communication interval.
- Transmission packet information including information on the total number of transmission packets is transmitted to the communication terminal (S5). That is, the sensor transmitter continuously measures biometric information to generate a transmission packet even when communication is not connected with the communication terminal.
- the sensor transmitter continuously measures biometric information to generate a transmission packet even when communication is not connected with the communication terminal.
- the total number of transmission packets to be transmitted to the communication terminal is determined.
- the communication terminal receives transmission packets from the sensor transmitter during the communication interval, and when the total number of transmission packets is received from the sensor transmitter or the set communication interval expires, communication with the sensor transmitter is terminated (S7).
- the communication terminal may determine the total number of transmission packets to be received from the sensor transmitter by the communication terminal from the total number of transmission packets among the transmission packet information, and the communication terminal counts the number of transmission packets received from the sensor transmitter during the connected communication interval If the total number of transmission packets is received, communication with the sensor transmitter is terminated even if the communication interval has not elapsed.
- the communication terminal When a transmission packet is transmitted/received between the communication terminal and the sensor transmitter or communication between the communication terminal and the sensor transmitter is terminated, the communication terminal does not additionally generate or transmit a reception completion message indicating whether the transmission packet has been received to the sensor transmitter. does not additionally generate or transmit a transmission completion message indicating whether a transmission packet has been transmitted to the communication terminal.
- an identifier for the last transmission packet received from the communication terminal is first transmitted to the sensor transmitter at each communication interval, and the sensor transmitter transmits an identifier for the last transmission packet during the communication interval based on the identifier for the last transmission packet.
- FIG. 6 is a functional block diagram illustrating a sensor transmitter according to an embodiment of the present invention.
- the sensor module 110 includes a sensor, and the sensor is partially inserted into the body to measure blood glucose information.
- the sensor controller 130 receives blood glucose information measured from the sensor module 110 and stores the received blood glucose information in the storage unit 150 .
- the blood sugar information received by the sensor controller 130 from the sensor module 110 is an analog signal, and the sensor controller 130 removes noise from the analog signal and converts it back to a digital signal to generate blood sugar information.
- the sensor control unit 130 increments the count whenever blood glucose information is generated to store the total number of blood glucose information in the storage unit 150 . Meanwhile, when a preset number of blood glucose information is generated based on the counted number of generated blood glucose information, the sensor controller 130 controls the transmission packet generator 170 to generate transmission packets from a plurality of blood glucose information.
- the transmission packet generator 170 Under the control of the sensor controller 130 , the transmission packet generator 170 generates a transmission packet composed of time-series blood glucose information for a predetermined time by combining the blood glucose information sequentially stored in the storage unit 150 .
- the transmission packet generator 170 generates a transmission packet including a transmission packet identifier for identifying each transmission packet whenever a transmission packet is generated.
- the sensor controller 130 increments the count whenever a transmission packet is generated by the transmission packet generator 170 to store the total number of transmission packets in the storage unit 150 .
- the sensor control unit 130 transmits an advertisement message through the sensor communication unit 190 at regular transmission intervals to connect communication with the communication terminal, and the sensor control unit 130 determines the identifier of the last transmission packet pre-stored in the communication terminal during communication connection.
- the number of transmission packets newly generated and stored in the storage unit 150 after the last transmission packet previously stored in the communication terminal by comparing the identifier of the last transmission packet received from the communication terminal and stored in the storage unit 150 with the identifier of the transmission packet stored in the storage unit 150 to calculate
- the sensor control unit 130 determines the number of newly generated and stored transmission packets after the last transmission packet pre-stored in the communication terminal as the total number of transmission packets to be transmitted to the communication terminal during the communication interval, and information on the total number of determined transmission packets transmits control to the communication terminal.
- FIG. 7 is a diagram for explaining an example in which biometric information is generated by a sensor transmitter.
- the data on the biosignal measured by the sensor module is measured at predetermined intervals, and each time it is measured once, it may be measured several times.
- the sensor module measures biosignal data every 10 seconds.
- the bio-signal is measured 30 times for each measurement, and the time required to measure the bio-signal may be 1 second. Therefore, the sensor module measures analog biosignal data 30 times every 10 seconds.
- the blood sugar information is measured 30 times between 2:14:25 and 26 seconds in the afternoon, and the blood sugar information is measured again 30 times between 2:14:35 and 36 seconds in the afternoon, for 10 seconds.
- Blood glucose information can be measured at intervals.
- the biosignal data measured in this way is converted into a digital signal by the sensor controller.
- the sensor controller calculates an average value of 30 pieces of blood glucose information converted into a digital signal by a cutting average method, and calculates one average value every 10 seconds. At this time, the upper 7 data and the lower 7 data among the 30 blood glucose information data are removed, and the average value (A) of the remaining 16 data is calculated.
- the calculated average cutting value A may be generated in units of 10 seconds, and as shown, six cutting average values A1 to A6 may be generated for 1 minute.
- the blood glucose information data generated every minute is stored in the storage unit by the sensor controller, and the stored blood glucose information may be generated as a transmission packet and transmitted to the communication terminal through the sensor communication unit.
- FIG. 8 is a diagram for explaining an example of generating a transmission packet in a sensor transmitter.
- blood glucose information sequentially at each set blood glucose information generation period (TP) (B1, B2, B3, B4, B5, B6, ...) is generated, and whenever blood sugar information is generated, a transmission packet (P1, P2, P3, P4, P5, P6) including the corresponding blood sugar information is transmitted.
- TP blood glucose information generation period
- the generated transmission packet (P1, P2, P3, P4, P5, P6) are stored in the storage unit, the set communication cycle (T S) has come, the storage unit transmits the packet (P1, P2, P3 are stored in the case of , P4, P5) are transmitted to the communication terminal, respectively.
- FIG 8 (b) the reference look at another example of generating a transmission packet at a predetermined blood glucose information generation period (T P) in sequence for each blood glucose information (B1, B2, B3, B4 , B5, B6, ...) to generate to, glucose information is stored in the storage unit every time the generated and if the incoming communication period is set (T S), which includes all of the blood glucose information (B1, B2, B3, B4, B5) is stored in the storage unit to the communication cycle A transmission packet P1 is generated and the generated transmission packet P1 is transmitted to the communication terminal.
- T P blood glucose information generation period
- FIG. 9 is a functional block diagram illustrating a communication terminal according to the present invention.
- the terminal control unit 210 when receiving an advertisement message from the sensor transmitter at each set communication interval, connects the communication with the sensor transmitter through the terminal communication unit 230, and the communication interval When this time elapses or when the transmission packet is received from the sensor transmitter, communication with the communication terminal is terminated even before the communication interval elapses.
- the packet management unit 240 determines the last transmission packet stored in the storage unit 250 based on the identifier of the transmission packet stored in the storage unit 250 under the control of the terminal control unit 210 .
- the identifier is determined, an information request message having an identifier of the last transmitted packet stored in advance is generated, and the generated information request message is transmitted to the sensor transmitter through the terminal communication unit 230 .
- the packet management unit 240 determines whether transmission packets have been received as many as the total number of transmission packets notified by the sensor transmitter based on the identifier of the transmission packet received from the sensor transmitter during the connected communication interval, and if there is a transmission packet not received from the sensor transmitter The non-received type is determined and the received transmission packet is selectively stored in the storage unit 250 .
- the packet management unit 240 determines the identifier of the last stored transmission packet among the transmission packets stored in the storage unit 250, and generates an information request message having the identifier of the last stored transmission packet in the next communication interval to the sensor transmitter. send
- the terminal control unit 210 outputs the biometric information of the received transmission packet to the display unit 270 so that the user can check it.
- the terminal control unit 210 when there is a transmission packet or biometric information that has not been received from the sensor transmitter, the terminal control unit 210 outputs to the display unit 270 that there is an unreceived transmission packet, and even before the next communication interval arrives, the user interface
- a command for requesting reception of a transmission packet that has not been received is input through the unit 290 , an unreceived transmission packet or biometric information may be requested from the sensor transmitter.
- FIG. 10 is a functional block diagram illustrating an example of a packet manager according to the present invention.
- the sorting unit 241 sorts transmission packets received from the sensor transmitter in an ascending order of identifiers during a connected communication interval.
- the non-received packet determining unit 243 counts the number of transmitted packets received during the communication interval based on the identifier of the transmitted packets actually received during the communication interval in the communication terminal, and the counted number of transmitted packets and the number of transmitted packets received from the sensor transmitter.
- the sensor transmitter determines whether there are unreceived transmission packets based on the total number of transmission packets to be transmitted.
- the non-received packet determining unit 243 stores and controls transmission packets received during the communication interval in the storage unit when there are no unreceived transmission packets. However, if there is an unreceived transmission packet, it is determined whether the non-received transmission packet is the first transmission packet or an intermediate transmission packet among the transmission packets to be transmitted by the sensor transmitter during the communication interval.
- the non-received packet determining unit 243 deletes all transmitted packets received during the communication interval without storing in the storage unit if the first transmitted packet is not received according to the non-received type of the transmitted packet, and the first transmitted packet is received but intermediate transmission In the case of not receiving consecutively from the packet, all transmission packets after the unreceived transmission packet are deleted, and transmission packets continuously received from the first transmission packet are stored and controlled in the storage unit.
- the transmission packets to be received from the sensor transmitter during the communication interval are P1, P2, P3, P4, P5, and the actually received transmission packets are P2, P3, P4, P5, since the first transmission packet (P1) has not been received, the actual The received transmission packets (P2, P3, P4, P5) are also deleted and controlled.
- the transmission packets to be received from the sensor transmitter during the communication interval are P1, P2, P3, P4, P5, and the actually received transmission packets are P1, P2, P4, P5, the first transmission packet (P3) has not been received continuously from the middle transmission packet (P3).
- the transmission packets P1 and P2 consecutively received from the first transmission packet are stored and controlled in the storage, and transmission packets P4 and P5 that have not been continuously received are controlled to be deleted.
- the message generating unit 245 determines the identifier of the last transmission packet stored in the storage unit, generates an information request message having the identifier of the last transmission packet stored in the storage unit, and when communication with the sensor transmitter is connected at a set communication interval First, the generated information request message is sent to the sensor transmitter.
- FIG. 11 is a flowchart illustrating a method for receiving biometric information from a sensor transmitter according to the present invention.
- the communication terminal receives an advertisement message from the sensor transmitter every set communication period (S110).
- the communication terminal and the sensor transmitter connect communication, and since the communication connection is already known, a detailed description thereof will be omitted.
- the communication terminal When communication is connected between the sensor transmitter and the communication terminal, the communication terminal first transmits an information request message to the sensor transmitter (S130).
- the information request message includes the identifier of the last transmitted packet pre-stored in the communication terminal.
- the sensor transmitter generates a transmission information message having information on the total number of transmission packets to be transmitted by the sensor transmitter to the communication terminal during the communication interval of the communication period of the communication connection based on the identifier of the last transmission packet pre-stored in the communication terminal.
- the communication terminal first receives a transmission information message from the sensor transmitter before receiving the transmission packet from the sensor transmitter (S150).
- the received transmission packet is stored in the storage unit and then communication is terminated (S190). However, if the communication interval has not expired and the sensor transmitter does not receive all transmission packets to be transmitted, it continues to receive transmission packets from the sensor transmitter until the communication interval elapses. However, when the communication interval expires in a state in which all transmission packets to be transmitted are not received from the sensor transmitter, communication is terminated (S190).
- the sensor transmitter may transmit, to the communication terminal, transmission packets after the last transmission packet previously stored among transmission packets generated and stored in the sensor transmitter based on the identifier of the transmission packet last stored in the communication terminal, to the communication terminal. Based on the total number of transmission packets, the communication terminal may determine the number of transmission packets to be received during the communication interval of the corresponding communication period.
- the communication terminal when there is an unreceived transmission packet during the communication interval of the corresponding communication period, the communication terminal provides information on the transmission packet that has not been received in the next communication period to the sensor transmitter, so that the transmission packet can be received without loss of the transmission packet.
- FIG. 12 is a flowchart illustrating an example of generating an information request message after communication is terminated.
- the sensor transmitter When the sensor transmitter receives all the transmission packets to be transmitted, it stores all the received transmission packets in the storage unit (S217), and generates an information request message including the identifier of the last transmission packet among the stored transmission packets to generate the next communication cycle Transmits the information request message generated in the sensor transmitter (S219).
- the non-received type of the transmitted packet is determined (S215), and according to the determined non-received type, the received transmission packet is selectively stored in the storage unit, and the last transmission packet among the stored transmission packets is stored in the storage unit.
- An information request message having an identifier is generated and the generated information request message is transmitted to the sensor transmitter in the next communication period (S219).
- FIG. 13 is a flowchart illustrating an example of generating an information request message according to a non-received type of a transmission packet.
- transmission packets received during the communication interval of the communication cycle are arranged based on the identifier (S231).
- the transmitted packets received during the communication interval of the communication period are arranged in ascending order of identifiers.
- all received transmission packets are stored in the storage unit.
- the identifier of the last transmission packet is determined (S224) and the information request including the determined last transmission packet identifier A message is generated (S235).
- the first transmission packet among the transmission packets to be transmitted by the sensor transmitter is received and some transmission packets are not received after the first transmission packet. Only the transmission packet is stored in the storage unit and all transmitted packets received after the unreceived transmission packet are discarded.
- the identifier of the last transmission packet stored in the storage is determined (S239) and the information request having the identifier of the last transmission packet stored in the storage unit A message is generated (S235).
- the above-described embodiments of the present invention can be written as a program that can be executed on a computer, and can be implemented in a general-purpose digital computer that operates the program using a computer-readable recording medium.
- the computer-readable recording medium includes a magnetic storage medium (eg, ROM, floppy disk, hard disk, etc.), an optically readable medium (eg, CD-ROM, DVD, etc.) and a carrier wave (eg, Internet storage media such as transmission via
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Abstract
Description
Claims (14)
- 사용자의 신체 부위 일부에 배치되어 사용자의 생체 정보를 측정하는 센서 트랜스미터와 상기 센서 트랜스미터로부터 생체 정보를 수신하는 통신 단말기 사이에서 생체 정보를 송수신하는 방법에 있어서,상기 통신 단말기는 상기 센서 트랜스미터로부터 상기 센서 트랜스미터가 송신할 송신 패킷의 전체 개수를 수신하는 단계;상기 통신 단말기는 설정된 제1 통신 간격 동안 상기 센서 트랜스미터로부터 송신 패킷을 수신하고 수신한 송신 패킷을 저장하는 단계; 및상기 통신 단말기는 송신 패킷의 전체 개수에 기초하여 상기 센서 트랜스미터로부터 상기 송신 패킷의 전체 개수만큼 송신 패킷을 수신하거나 상기 제1 통신 간격이 종료하는 경우 상기 센서 트랜스미터와의 통신을 종료하는 단계를 포함하는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 1 항에 있어서, 상기 생체 정보의 송수신 방법은상기 통신 단말기와 상기 센터 트랜스미터 사이에서 통신을 종료시, 상기 통신 단말기와 상기 센서 트랜스미터 사이에서는 별도의 수신 완료 메시지를 송수신하지 않는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 1 항에 있어서,상기 센서 트랜스미터에서 측정 센서를 통해 측정한 생체 정보를 구비하는, 상기 통신 단말기로 송신할 송신 패킷을 생성하며,상기 송신 패킷에는 송신 패킷의 생성 순서에 따라 상기 송신 패킷을 식별하기 위한 생성 식별자가 포함되어 있는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 3 항에 있어서, 상기 생체 정보의 송수신 방법은상기 통신 단말기에서 상기 센서 트랜스미터로 상기 통신 단말기에 기저장된 마지막 송신 패킷의 식별자를 구비하는 정보 요청 메시지를 송신하는 단계를 더 포함하는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 4 항에 있어서, 상기 생체 정보의 송수신 방법에서상기 센서 트랜스미터는 상기 통신 단말기로부터 수신한, 기저장된 마지막 송신 패킷의 식별자에 기초하여 상기 제1 통신 간격 동안 상기 통신 단말기로 송신할 송신 패킷의 전체 개수를 계산하는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 4 항에 있어서,상기 송신 패킷의 생성 식별자에 기초하여 상기 센서 트랜스미터로부터 수신한 송신 패킷의 수를 카운트하는 단계; 및상기 제1 통신 간격 동안 마지막으로 수신한 송신 패킷의 식별자를 판단하는 단계를 더 포함하는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 6 항에 있어서,상기 제1 통신 간격 동안 수신한 송신 패킷의 식별자를 오름순서로 정렬하는 단계를 더 포함하는 것을 특징으로 하는 생체 정보의 송수신 방법
- 제 6 항 또는 제 7 항에 있어서,상기 제1 통신 간격에 연속하는 제2 통신 통신 간격에 상기 통신 단말기는 상기 제1 통신 간격 동안 마지막으로 수신한 송신 패킷의 식별자를 구비하는 정보 요청 메시지를 상기 센서 트랜스미터로 송신하는 단계를 더 포함하며,상기 센서 트랜스미터는 상기 제1 통신 간격 동안 마지막으로 수신한 송신 패킷의 식별자에 기초하여 상기 제1 통신 간격 동안 마지막으로 수신한 송신 패킷의 식별자 이후부터 새로 생성된 송신 패킷에 기초하여 상기 제2 통신 간격 동안에 상기 센서 트랜스미터가 상기 통신 단말기로 송신할 송신 패킷의 전체 개수를 계산하는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 8 항에 있어서,상기 통신 단말기는 상기 제1 통신 간격 동안 수신한 송신 패킷의 식별자에 기초하여 상기 제1 통신 간격 동안 수신한 송신 패킷 중 상기 통신 단말기에 기저장된 마지막 송신 패킷의 식별자 다음 순서의 송신 패킷을 수신하였는지 판단하는 단계를 더 포함하며,상기 제1 통신 간격 동안 수신한 송신 패킷 중 상기 통신 단말기에 기저장된 마지막 송신 패킷의 식별자 다음 순서의 송신 패킷을 수신하지 못한 경우, 상기 통신 단말기에 기저장된 마지막 송신 패킷의 식별자를 구비하는 정보 요청 메시지를 상기 센서 트랜스미터로 송신하는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 9 항에 있어서,상기 통신 단말기는 상기 제1 통신 간격 동안 수신한 송신 패킷의 식별자에 기초하여 상기 제1 통신 간격 동안 연속하여 수신하지 못한 송신 패킷이 존재하는지 판단하는 단계를 더 포함하며,상기 제1 통신 간격 동안 연속하여 수신하지 못한 송신 패킷이 존재하는 경우, 상기 제1 통신 간격 동안 연속하여 수신한 송신 패킷 중 마지막 송신 패킷의 식별자를 구비하는 정보 요청 메시지를 상기 제2 통신 간격에 상기 센서 트랜스미터로 송신하는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 8 항에 있어서,상기 제1 통신 간격 동안 상기 센서 트랜스미터에서 송신할 송신 패킷의 전체 개수와 상기 제1 통신 간격 동안 상기 통신 단말기에서 수신한 송신 패킷의 식별자에 기초하여 상기 제1 통신 간격 동안 미수신한 통신 패킷의 식별자를 판단하는 단계를 더 포함하며,상기 제1 통신 간격 동안 미수신한 통신 패킷의 식별자를 구비하는 정보 요청 메시지를 상기 센서 트랜스미터로 송신하는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 사용자의 신체 부위 일부에 배치되어 사용자의 생체 정보를 측정하는 센서 트랜스미터와 상기 센서 트랜스미터로부터 생체 정보를 수신하는 통신 단말기 사이에서 생체 정보를 송수신하는 방법에 있어서,상기 통신 단말기와 상기 센서 트랜스미터 사이에 통신을 연결하는 단계;상기 통신 단말기에서 상기 센서 트랜스미터로 상기 통신 단말기에 기저장된 마지막 송신 패킷의 식별자를 구비하는 정보 요청 메시지를 송신하는 단계;상기 마지막 송신 패킷의 식별자에 기초하여 상기 센서 트랜스미터에서 생성된, 상기 마지막 송신 패킷의 식별자 이후의 송신 패킷이 존재하는지 판단하는 단계; 및상기 센서 트랜스미터에서 상기 마지막 송신 패킷의 식별자 이후 생성된 송신 패킷을 상기 통신 단말기로 송신하는 단계를 포함하는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 12 항에 있어서,상기 센서 트랜스미터에서 측정 센서를 통해 측정한 생체 정보를 구비하는, 상기 통신 단말기로 송신할 송신 패킷을 생성하며,상기 송신 패킷에는 송신 패킷의 생성 순서에 따라 상기 송신 패킷을 식별하기 위한 생성 식별자가 포함되어 있는 것을 특징으로 하는 생체 정보의 송수신 방법.
- 제 13 항에 있어서, 상기 통신 단말기는상기 제1 통신 간격 동안 마지막으로 수신한 송신 패킷의 식별자를 판단하며 상기 마지막 송신 패킷의 식별자를 구비하는 정보 요청 메시지를 생성하는 것을 특징으로 하는 생체 정보의 송수신 방법.
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JP2022548085A JP2023514164A (ja) | 2020-02-19 | 2021-02-19 | 連続血糖測定システムで送信パケット識別子に基づいて紛失なしに生体情報を送受信する方法 |
AU2021222846A AU2021222846A1 (en) | 2020-02-19 | 2021-02-19 | Method for transmitting/receiving biometric information without loss on basis of transmit packet identifier in continuous glucose monitoring system |
US17/797,727 US20230076499A1 (en) | 2020-02-19 | 2021-02-19 | Method for transmitting and receiving biometric information without loss based on transmission packet identifier in continuous blood glucose monitor system |
EP21756240.4A EP4085822A4 (en) | 2020-02-19 | 2021-02-19 | METHOD FOR LOSSLESS TRANSMISSION/RECEIVING BIOMETRIC INFORMATION BASED ON TRANSMISSION PACKET IDENTIFIER IN CONTINUOUS GLUCOSE MONITORING SYSTEM |
CN202180012941.5A CN115052519A (zh) | 2020-02-19 | 2021-02-19 | 在连续血糖测量系统中基于发送数据包标识符无丢失地收发生物信息的方法 |
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EP4085822A1 (en) | 2022-11-09 |
AU2021222846A1 (en) | 2022-09-01 |
KR102330791B1 (ko) | 2021-11-24 |
JP2023514164A (ja) | 2023-04-05 |
US20230076499A1 (en) | 2023-03-09 |
EP4085822A4 (en) | 2024-01-24 |
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