System for transmitting and receiving data using multiple transmissions

Abstract

The system for transmitting and receiving data using multiple transmissions according to the present invention comprises a sensor node device which stores multiple pieces of transmission data to be transmitted in multiple pieces of advertising data and transmits same, wherein the sensor node device groups as many pieces of advertising data as the number of multiple transmissions into each transmission group, and transmits the advertising data, included in one transmission group, during each repeated first transmission period, the multiple pieces of advertising data being transmitted such that the points in time of transmission of the respective pieces of advertising data that are sequentially transmitted during the same first transmission period maintain a multi-transmission interval.

Description

Data transmission and reception system using multi-transmission

[0001] The present invention relates to a data transmission and reception system using multi-transmission, and more particularly, to a data transmission and reception system using multi-transmission capable of efficiently transmitting transmission data by transmitting posting data included in one transmission group while maintaining a multi-transmission interval during each repeated first transmission cycle.

[0002] Bluetooth is an industry standard for personal area networks (PANs) that uses the IEEE 802.15.1 specification and allows various devices to communicate with each other using radio frequencies that are available globally in a safe, low-cost manner.

[0003] Among the various versions of Bluetooth, a new protocol stack for low-power (BLE; Bluetooth Low Energy) is proposed starting with Bluetooth 4.0. This includes "Bluetooth Smart Ready" for power hosts and "Bluetooth Smart" for sensors.

[0004] These short-range communication terminals utilizing BLE technology are called beacons. Beacons eliminate the need for pairing between communication terminals, operate with low power consumption, and support one-to-many and many-to-many communication. These characteristics have led to their application in a variety of services, including advertising, information transmission, home automation, and payments.

[0005] However, existing technologies require a lot of cost and effort in purchasing and registering beacon terminals, building, maintaining, and repairing beacon service systems, etc., as they build a certain service system by installing small beacon terminals with built-in batteries, and the beacon terminals must be replaced when their batteries run out.

[0006] In addition, existing technologies only generate beacon signals as indicator signals that simply provide location information, and thus are unable to provide a protocol optimized for the data being transmitted.

[0007] In addition, existing technologies only cross-transmit multiple beacon signals and are unable to multi-transmit beacon signals.

[0008] The purpose of the present invention is to provide a data transmission and reception system using multi-transmission, which can efficiently transmit transmission data by transmitting the posting data included in one transmission group while maintaining a multi-transmission interval during each repeated first transmission cycle.

[0009] A data transmission and reception system using multi-transmission according to the present invention includes a sensor node device that stores and transmits a plurality of transmission data to be transmitted for each of a plurality of advertising data, wherein the sensor node device groups the advertising data into a plurality of transmission groups, each corresponding to the number of multi-transmissions, and transmits the advertising data included in one transmission group during each of the first transmission periods that are repeated, and transmits the plurality of advertising data such that the transmission time points of each of the plurality of advertising data that are continuously transmitted during the same first transmission period maintain a multi-transmission interval.

[0010] The sensor node device includes a timer that sets a first counting time using the first transmission period, the multi-transmission interval, and the number of multi-transmissions at a transmission time when the posting data whose first data transmission order is the last n times among the posting data included in the one transmission group is transmitted, and then counts the first counting time; and when the counting of the first counting time is completed, the sensor node device can transmit posting data included in a transmission group whose group transmission order is next to the group transmission order of a previously transmitted transmission group.

[0011] The above timer can set the first counting time using the following mathematical formula.

[0012] <Mathematical formula>

[0013]

[0014] Here, Tc1 is the first counting time, Pi is the first transmission period, IPi is the multi-transmission interval, and Np is the number of multi-transmissions.

[0015] The timer sets a second counting time using the multi-transmission interval at a transmission time when the posting data having a first data transmission order of 1 to n-1 among the posting data included in the one transmission group is transmitted, and then counts the second counting time, and when the counting of the second counting time is completed, the sensor node device can transmit posting data having a first data transmission order that follows the first data transmission order of previously transmitted posting data.

[0016] The sensor node device transmits different posting data during each of the repeated second transmission cycles, and the timer sets a third counting time using the first transmission cycle, the multi-transmission interval, and the multi-transmission number at the transmission time point at which the different posting data is transmitted, and then counts the third counting time, and when the counting of the third counting time is completed, the sensor node device transmits other posting data whose second data transmission order follows the second data transmission order of other posting data previously transmitted, and the posting data may be stored as transmission data that is sensing data indicating a result of sensing a sensing target, and the other posting data may be stored as transmission data that is system data indicating information about the sensor node device.

[0017] The above timer can set the third counting time using the following mathematical formula.

[0018] <Mathematical formula>

[0019]

[0020] Here, Tc3 is the third counting time, Pi is the first transmission period, IPi is the multi-transmission interval, and Np is the number of multi-transmissions.

[0021] The sensor node device may store model name information of the sensor node device and data type information indicating the types of the plurality of transmission data in a UUID field constituting the posting data, and may further store device identification information indicating identification information of the device that generated the transmission data in a UUID field constituting the posting data.

[0022] A data transmission and reception system using multi-transmission according to the present invention includes the sensor node device; and a receiving device that receives posting data in which a plurality of transmission data are stored from the sensor node device; wherein the receiving device can determine whether the plurality of transmission data are notification conditions, and output a notification if the notification condition is determined to be the notification condition.

[0023] A data transmission and reception system using multi-transmission according to the present invention can efficiently transmit transmission data by transmitting the posting data included in one transmission group while maintaining a multi-transmission interval during each repeated first transmission cycle.

[0024] FIG. 1 is a diagram illustrating a connection configuration of a data transmission and reception system using multi-transmission according to one embodiment of the present invention.

[0025] FIG. 2 is a block diagram of a sensor node device of a data transmission and reception system using multi-transmission according to an embodiment of the present invention.

[0026] FIG. 3 is a block diagram of a receiving device of a data transmission and reception system using multi-transmission according to an embodiment of the present invention.

[0027] FIG. 4 is a diagram showing the characteristics of a communication standard used in a data transmission and reception system using multi-transmission according to one embodiment of the present invention.

[0028] FIG. 5 is a diagram showing the format of posting data transmitted by a sensor node device of a data transmission and reception system using multi-transmission according to one embodiment of the present invention and a first AD structure for a beacon feature flag among the posting data.

[0029] FIG. 6 is a diagram showing the format of posting data transmitted by a sensor node device of a data transmission and reception system using multi-transmission according to one embodiment of the present invention and a second AD structure for a beacon in which transmission data is stored among posting data.

[0030] Figure 7 is a diagram showing an example of the UUID field configuration of Figure 6.

[0031] FIG. 8 is a diagram for explaining a process in which a sensor node device of a data transmission and reception system using multi-transmission according to an embodiment of the present invention transmits posting data.

[0032] FIG. 9 is a diagram for explaining a process in which a sensor node device of a data transmission and reception system using multi-transmission according to one embodiment of the present invention transmits different posting data.

[0033] Fig. 10 is a diagram showing another example of the UUID field configuration of Fig. 6.

[0034] Fig. 11 is a drawing showing an example of the configuration of each of the major field and minor field of Fig. 6.

[0035] Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings. However, this is not intended to limit the present invention to specific embodiments, but should be understood to include various modifications, equivalents, and / or alternatives of the embodiments of the present invention. In connection with the description of the drawings, similar reference numerals may be used for similar components.

[0036] In this document, the expressions "have", "may have", "include", or "may include" indicate the presence of a feature (e.g., a number, function, operation, or component such as a part), but do not exclude the presence of additional features.

[0037] In this document, the expressions "A or B", "at least one of A and / or B", or "one or more of A and / or B" can include all possible combinations of the items listed together. For example, "A or B", "at least one of A and B", or "at least one of A or B" can all refer to cases where (1) at least one A is included, (2) at least one B is included, or (3) at least one A and at least one B are included.

[0038] The terms "first," "second," "first," or "second" used in this document can describe various components, regardless of order and / or importance, and are only used to distinguish one component from another, but do not limit the components. For example, a first user device and a second user device can represent different user devices, regardless of order or importance. For example, a first component can be referred to as a second component, and similarly, a second component can be referred to as a first component, without departing from the scope of the rights set forth in this document.

[0039] In this specification, “~module”, “~part”, and “~device” may include one or more of a central processing unit (CPU), an application processor (AP), and a communication processor (CP).

[0040] In this specification, “~module,” “~part,” and “~device” refer to all types of hardware devices including at least one processor, and may be understood to encompass software configurations operating on the hardware devices according to embodiments. For example, “~module,” “~part,” and “~device” may be understood to encompass, but are not limited to, mechanical drive devices, smartphones, tablet PCs, desktops, laptops, sensors, and user clients and applications operating on each device.

[0041] The terms used in this document are used only to describe specific embodiments and may not be intended to limit the scope of other embodiments. The singular expression may include plural expressions unless the context clearly indicates otherwise. Terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by a person of ordinary skill in the art described in this document. Terms defined in general dictionaries among the terms used in this document may be interpreted as having the same or similar meaning in the context of the relevant technology, and shall not be interpreted in an idealized or overly formal sense unless explicitly defined in this document. In some cases, even if a term is defined in this document, it cannot be interpreted to exclude embodiments of this document.

[0042] FIG. 1 is a diagram illustrating a connection configuration of a data transmission and reception system using multi-transmission according to one embodiment of the present invention.

[0043] Referring to FIG. 1, a data transmission and reception system using multi-transmission according to one embodiment of the present invention may include a sensor node device (100) and a receiving device (200).

[0044] A sensor node device (100) and a receiving device (200) can establish a mutual communication connection to form a network.

[0045] The sensor node device (100) can store and transmit multiple transmission data to be transmitted to each of multiple posting data (Advertising Data).

[0046] The receiving device (200) can receive multiple posting data in which multiple transmission data are stored.

[0047] Here, the transmission data may be sensing data indicating the result of sensing the sensing target, or may be system data indicating information about the sensor node device (100).

[0048] Meanwhile, the sensor node device (100) of the data transmission and reception system using multi-transmission according to one embodiment of the present invention can multi-transmit multiple posting data within a transmission cycle.

[0049] The process of multi-transmitting posting data will be described later.

[0050] Meanwhile, a data transmission and reception system using multi-transmission according to an embodiment of the present invention can transmit and receive data between a sensor node device (100) and a receiving device (200) using a short-range wireless communication method.

[0051] Specifically, a data transmission and reception system using multi-transmission according to an embodiment of the present invention can transmit and receive data using the BLE (Bluetooth Low Energy) communication method of Bluetooth 4.0. Accordingly, a data transmission and reception system using multi-transmission according to an embodiment of the present invention can utilize the protocol stack, layers, and profiles specified in the BLE (Bluetooth Low Energy) communication method.

[0052] A sensor node device (100) of a data transmission and reception system using multi-transmission according to an embodiment of the present invention will specifically describe a process of multi-transmitting a plurality of posting data within a transmission cycle.

[0053] FIG. 1 is a diagram showing a connection configuration of a data transmission and reception system using multi-transmission according to an embodiment of the present invention, FIG. 2 is a block diagram of a sensor node device of a data transmission and reception system using multi-transmission according to an embodiment of the present invention, FIG. 3 is a block diagram of a receiving device of a data transmission and reception system using multi-transmission according to an embodiment of the present invention, FIG. 4 is a diagram showing characteristics of a communication standard used in a data transmission and reception system using multi-transmission according to an embodiment of the present invention, FIG. 5 is a diagram showing a format of posting data transmitted by a sensor node device of a data transmission and reception system using multi-transmission according to an embodiment of the present invention and a first AD structure for a beacon feature flag among posting data, FIG. 6 is a diagram showing a format of posting data transmitted by a sensor node device of a data transmission and reception system using multi-transmission according to an embodiment of the present invention and a second AD structure for a beacon in which transmission data is stored among posting data, FIG. 7 is a diagram showing an example of a UUID field configuration of FIG. 6, and FIG. 8 is a diagram showing a format of posting data transmitted by a sensor node device of a data transmission and reception system using multi-transmission according to an embodiment of the present invention. This is a drawing for explaining the process of transmitting, and FIG. 9 is a drawing for explaining the process of transmitting other posting data by a sensor node device of a data transmission and reception system using multi-transmission according to an embodiment of the present invention. Referring further to FIGS. 2 to 9, the sensor node device (100) may be a node constituting a network, may perform both a central role and a peripheral role within the network, and may be implemented as, for example, a sensor device.

[0054] The receiving device (200) may be the top node constituting the network, may perform a central role within the network, and may be, for example, an AP device (Access Point device).

[0055] Such a sensor node device (100) may include a sensing unit (110), a communication module (120), and a storage unit (130).

[0056] Additionally, the receiving device (200) may include a communication module (210), a processor (220), a display unit (230), and a storage unit (240).

[0057] The sensor node device (100) can store a plurality of transmission data to be transmitted in the advertising data and transmit them to the receiving device (200).

[0058] As illustrated in FIGS. 4 to 6, the posting data may be 30 bytes long, and the posting data may include two AD (posting data) structures.

[0059] Specifically, the posting data may have a first AD structure for a Beacon Feature Flag and a second AD structure for a Beacon having actual beacon data.

[0060] The first AD structure and the second AD structure may each include a 1-byte size field (Data Length) indicating the size of data and a corresponding data field (AD Structure Data). The last row in FIGS. 5 and 6 may indicate the size of each field.

[0061] The data field of the first AD structure may include an AD type field and an AD Flag field, and the AD Flag value may indicate the mode of the sensor node device (100).

[0062] For example, when the AD Flag value is set to 0x06 = 00000110, the mode of the sensor node device (100) may be indicated as 20 bit (OFF): LE Limited Discoverable mode, 21 bit (ON): LE General Discoverable mode, 22 bit (ON): BR / EDR Not Supported, 23 bit (OFF): Simultaneous LE & BR / EDR to Same Device Capable (controller), 24 bit (OFF): Simultaneous LE & BR / EDR to Same Device Capable (Host), etc.

[0063] Additionally, the data fields of the second AD structure may include AD type, Company ID code, and beacon data fields, and the beacon data field may include Indicator, Length, UUID, Major, Minor, and Tx Power fields. The Tx Power value may define the signal reception sensitivity (RSSI) at a distance of 1 meter.

[0064] Meanwhile, the UUID field constituting the posting data according to the present invention may be composed of a model name area (F1), a data type area (F2), and a device identification area (F3).

[0065] Specifically, the UUID field may be composed of an 8-byte model name area (F1), a 4-byte data type area (F2), and a 2-byte device identification area (F3).

[0066] The sensor node device (100) can store model name information (GS300-, -, -) of the sensor node device in the model name area (F1).

[0067] Additionally, the sensor node device (100) can store data type information (SENSOR) indicating the types of multiple transmission data in the data type area (F2).

[0068] Additionally, the sensor node device (100) can store device identification information (P1) indicating identification information of the device that generated the transmission data in the device identification area (F3).

[0069] Here, the data type information may be any one of “SENSOR” indicating the result of sensing a specific gas by a sensor, “OTHERS” indicating the substrate temperature and battery and usage time information of the sensor node device (100), “ACCUMS” indicating the accumulated amount of toxic gas concentration, “GTVERS” indicating the firmware version information of the sensor node device (100), and “GTINFO” indicating the product serial number of the sensor node device (100).

[0070] The sensor node device (100) stores and transmits a plurality of transmission data to be transmitted for each of a plurality of posting data, groups the posting data into a plurality of transmission groups each equal to the number of multi-transmissions (Np), and transmits posting data (PK1, PK2) included in one transmission group (Pg) during each repeated first transmission cycle (Pi).

[0071] At this time, the sensor node device (100) can transmit multiple posting data (PK1, PK2) so that the transmission time of each of the multiple posting data (PK1, PK2) transmitted continuously during the same first transmission period (Pi) maintains a multi-transmission interval (IPi).

[0072] To this end, the sensor node device (100) may include a timer that sets a second counting time (Tc2) using a multi-transmission interval (IPi) at the transmission time when the posting data (PK1) whose first data transmission order is 1 to n-1 (n is the last transmission order) among the posting data included in one transmission group (Pg) is transmitted, and then counts the second counting time (Tc2).

[0073] Specifically, the timer can set the multi-transmission interval (IPi) to the second counting time (Tc2).

[0074] Here, the multi-transmission interval (IPi) can be preset to 20 ms or more according to the BLE communication standard.

[0075] Thereafter, when the counting of the second counting time (Tc2) is completed, the sensor node device (100) can transmit the posting data (Pk2) whose first data transmission order is next to the first data transmission order of the previously transmitted posting data (Pk1).

[0076] Next, the timer may include a timer that sets a first counting time (Tc1) using a first transmission period (Pi), a multi-transmission interval (IPi), and a multi-transmission number (Np) at a transmission time when the posting data (PK2) whose first data transmission order is the last n times among the posting data included in one transmission group (Pg) is transmitted, and then counts the first counting time (Tc1).

[0077] At this time, when the counting of the first counting time (Tc1) is completed, the sensor node device (100) can transmit the posting data (PK1, PK2) included in the transmission group (Pg) whose group transmission order is next to the group transmission order of the previously transmitted transmission group (Pg).

[0078] Meanwhile, the timer can set the first counting time (Tc1) using the following mathematical expression 1.

[0079] <Mathematical Formula 1>

[0080]

[0081] Here, Tc1 is the first counting time, Pi is the first transmission period, IPi is the multi-transmission interval, and Np is the number of multi-transmissions.

[0082] Meanwhile, the sensor node device (100) can transmit other posting data (PK3) separately from the transmission of multiple posting data (PK1, PK2).

[0083] Here, the posting data (PK1, PK2) may be stored as transmission data, which is sensing data indicating the result of sensing a sensing target, and the other posting data (PK3) may be stored as transmission data, which is system data indicating information about a sensor node device (100).

[0084] The sensor node device (100) can transmit different posting data (PK3) during each repeated second transmission cycle (S-Pi).

[0085] At this time, the timer can set a third counting time using the first transmission cycle, the multi-transmission interval, and the number of multi-transmissions at the transmission time when other posting data is transmitted, and then count the third counting time.

[0086] Thereafter, when the counting of the third counting time (Tc3) is completed, the sensor node device (100) can transmit other posting data (PK3) whose second data transmission order is next to the second data transmission order of other posting data (PK3) that was previously transmitted.

[0087] At this time, the timer can set the third counting time (Tc3) using the following mathematical expression 2.

[0088] <Mathematical Formula 2>

[0089]

[0090] Here, Tc3 is the third counting time, Pi is the first transmission period, IPi is the multi-transmission interval, and Np is the number of multi-transmissions.

[0091] Meanwhile, the communication module (120) can transmit the above-described posting data.

[0092] The storage unit (130) can store programs (one or more instructions) for processing and control. The programs stored in the storage unit (130) can be divided into multiple modules according to function.

[0093] Meanwhile, the communication module (210) can receive the above-described posting data.

[0094] The processor (220) can control the operation of the receiving device (200).

[0095] The display unit (230) can display image data generated from the processor (220) under the control of the processor (220).

[0096] For this purpose, the display unit (230) may be equipped with a display module capable of outputting image data to the screen.

[0097] The processor (220) can perform the operations of each of the components described above, and may include one or more cores (not shown) and a graphics processing unit (not shown) and / or a connection path (e.g., a bus, etc.) for transmitting and receiving signals with other components.

[0098] The processor (220) may be configured to perform the operations of each component described above by executing one or more instructions stored in the storage unit (240).

[0099] The storage unit (240) can store programs (one or more instructions) for processing and controlling the processor (220). The programs stored in the storage unit (240) can be divided into multiple modules according to function.

[0100] Hereinafter, a process of storing data in posting data by a sensor node device (100) of a data transmission and reception system using multi-transmission according to an embodiment of the present invention will be described.

[0101] FIG. 10 is a drawing showing another example of the UUID field configuration of FIG. 6, and FIG. 11 is a drawing showing an example of the configuration of each of the major field and minor field of FIG. 6.

[0102] The sensor node device (100) can store and transmit model name information of the sensor node device, data type information indicating the types of multiple transmission data, and multiple transmission data in such posting data.

[0103] Specifically, the sensor node device (100) can store model name information of the sensor node device and data type information indicating the types of multiple transmission data in the UUID field constituting the posting data.

[0104] Additionally, the sensor node device (100) can divide and store a plurality of transmission data into major fields and minor fields that constitute the posting data.

[0105] The UUID field that constitutes the posting data according to another embodiment, which is different from the one embodiment, may be composed of a model name area (F1) and a data type area (F2).

[0106] Specifically, the UUID field can only consist of a 10-byte model name area (F1) and a 4-byte data type area (F2).

[0107] The sensor node device (100) can store model name information (GS300-NT-, -) of the sensor node device in the model name area (F1).

[0108] Additionally, the sensor node device (100) can store data type information (SENSOR) indicating the types of multiple transmission data in the data type area (F2).

[0109] Meanwhile, the major field constituting the posting data according to the present invention may be composed of a part of the first data storage area (B1, B2), and the minor field constituting the posting data according to the present invention may be composed of a part of the first data storage area (B3), a second data storage area (B4, B5, B6), and a detailed model name area (B7).

[0110] Specifically, the major field may be composed of a first-first data storage area (B1) which is one of the first data storage areas and is 8 bytes, and a first-second data storage area (B2) which is one of the first data storage areas and is 8 bytes.

[0111] Additionally, the minor field may be composed of a 1-3 data storage area (B3) which is one of the first data storage areas and is 8 bytes, a 2-1 data storage area (B4) which is one of the second data storage areas and is 2 bytes, a 2-2 data storage area (B5) which is one of the second data storage areas and is 2 bytes, a 2-3 data storage area (B6) which is one of the second data storage areas and is 2 bytes, and a detailed model name area (B7) which is 2 bytes.

[0112] Meanwhile, the sensor node device (100) can divide each of the plurality of transmission data (D1, D2, D3) into first division data (D1-1, D2-1, D3-1) and second division data (D1-2, D2-2, D3-2) having higher bits than the first division data (D1-1, D2-1, D3-1).

[0113] Specifically, the sensor node device (100) can divide each of the plurality of transmission data (D1, D2, D3) of 10 bytes into first division data (D1-1, D2-1, D3-1) of 8 bytes.

[0114] In addition, the sensor node device (100) can divide each of the plurality of transmission data (D1, D2, D3) of 10 bytes into second division data (D1-2, D2-2, D3-2) of 2 bytes.

[0115] At this time, the number of bytes of each of the first division data (D1-1, D2-1, D3-1) and the first division data (D1-1, D2-1, D3-1) can be changed.

[0116] Thereafter, the sensor node device (100) can store the first segmented data (D1-1, D2-1, D3-1) adjacent to each other in the first data storage area (B1, B2, B3).

[0117] For this purpose, the 1-1 data storage area (B1), the 1-2 data storage area (B2), and the 1-3 data storage area (B3) can be arranged adjacent to each other.

[0118] Specifically, the sensor node device (100) can store first segmented data “D1-1” in the 1-1 data storage area (B1), first segmented data “D1-2” in the 1-2 data storage area (B2), and first segmented data “D1-3” in the 1-3 data storage area (B3).

[0119] Thereafter, the sensor node device (100) can store the second segmented data (D1-2, D2-2, D3-2) adjacent to each other in the second data storage area (B4, B5, B6).

[0120] For this purpose, the 2-1 data storage area (B4), the 2-2 data storage area (B5), and the 2-3 data storage area (B6) can be arranged adjacent to each other.

[0121] Specifically, the sensor node device (100) can store the second segmented data “D1-2” in the 2-2 data storage area (B41), store the second segmented data “D1-2” in the 2-2 data storage area (B5), and store the second segmented data “D1-3” in the 2-3 data storage area (B6).

[0122] The sensor node device (100) can store detailed model name information (I) of the sensor node device (100) in the detailed model name area (B7) within the minor field.

[0123] Meanwhile, in another embodiment, the sensor node device (100) according to the second embodiment may store notification information indicating whether to notify about transmission data in a notification area within the minor field when the total data size of the second segmented data (D1-2, D2-2, D3-2) is less than the storage size of the minor field excluding the detailed model name area (B7).

[0124] For example, if the plurality of transmission data “D1”, “D2” and “D3” are 9 bytes, 8 bytes and 10 bytes respectively, the second division data “D1-2”, “D2-2” and “D3-2” are 1 byte, 0 bytes and 2 bytes respectively, so the total data size of the second division data (D1-2, D2-2, D3-2) is 3 bytes, and since this total data size is less than the storage size of the minor field excluding the detailed model name area (B7) of 6 bytes, the notification status information indicating whether to notify about the transmission data can be stored in the notification status area within the minor field.

[0125] To this end, among the second data storage areas (B4, B5, B6), the second data storage area in which the second segmented data is not stored (according to the example described above, 1 byte of the 2-1 data storage area (B4) and 2 bytes of the 2-3 data storage area (B6)) can be changed to a notification area.

[0126] Here, the notification information may be information indicating whether a notification is to be performed when the value indicated by the transmission data exceeds a reference value.

[0127] That is, the receiving device (200) indicates that the information regarding whether or not to notify in the received posting data indicates that a notification is to be performed when the numerical value indicated by the corresponding transmission data exceeds a reference value, and if the numerical value indicated by the corresponding transmission data exceeds the reference value, it is determined that it is a notification condition and can output a notification.

[0128] The present invention has been described above, focusing on preferred embodiments. Those skilled in the art will appreciate that variations and modifications can be made to the invention without departing from its essential characteristics. Therefore, the disclosed embodiments should be considered illustrative rather than limiting. The scope of the present invention is set forth in the claims, not the foregoing description, and all differences within the scope equivalent thereto should be construed as being encompassed by the invention.

[0129] As described above, although the present invention has been described by limited embodiments and drawings, the present invention is not limited thereto, and various modifications and variations are possible by a person having ordinary skill in the art to which the present invention pertains within the scope of the technical idea of ​​the present invention and the equivalent scope of the patent claims to be described below.

Claims

1. A sensor node device that stores and transmits multiple transmission data to be transmitted to each of multiple posting data (Advertising Data); The above sensor node device Group the posting data into multiple transmission groups, each with the same number of multi-transmissions. A method for transmitting post data included in one transmission group during each of the first transmission cycles that are repeated, characterized in that the plurality of post data are transmitted so that the transmission time points of each of the plurality of post data transmitted consecutively during the same first transmission cycle maintain a multi-transmission interval. Data transmission and reception system using multi-transmission.

2. In paragraph 1, The above sensor node device A timer that sets a first counting time using the first transmission period, the multi-transmission interval, and the number of multi-transmissions at the transmission time when the posting data whose first data transmission order is the last n times among the posting data included in the one transmission group is transmitted, and then counts the first counting time; The above sensor node device When the counting of the first counting time is completed, the group transmission order is characterized in that the posting data included in the transmission group is transmitted after the group transmission order of the previously transmitted transmission group. Data transmission and reception system using multi-transmission.

3. In paragraph 2, The above timer is It is characterized in that the first counting time is set using the following mathematical formula. Data transmission and reception system using multi-transmission. <Mathematical formula> Here, Tc1 is the first counting time, Pi is the first transmission period, IPi is the multi-transmission interval, and Np is the number of multi-transmissions.

4. In paragraph 2, The above timer is Among the posting data included in the above one transmission group, at the time of transmission when the posting data having the first data transmission order of 1 to n-1 is transmitted, a second counting time is set using the multi-transmission interval, and then the second counting time is counted. The above sensor node device When the counting of the second counting time is completed, the first data transmission order is characterized in that the posting data is transmitted following the first data transmission order of the previously transmitted posting data. Data transmission and reception system using multi-transmission.

5. In paragraph 2, The above sensor node device Transmit different posting data during each repeating second transmission cycle, The above timer is At the transmission time when the above other posting data is transmitted, a third counting time is set using the first transmission period, the multi-transmission interval, and the number of multi-transmissions, and then the third counting time is counted. The above sensor node device When the counting of the third counting time is completed, the second data transmission order is characterized in that other posting data is transmitted following the second data transmission order of other posting data that was previously transmitted. Data transmission and reception system using multi-transmission.

6. In paragraph 5, The above posted data is Transmission data, which is sensing data that indicates the result of sensing the sensing target, is stored, The above other posted data Characterized in that transmission data, which is system data representing information about the sensor node device, is stored. Data transmission and reception system using multi-transmission.

7. In paragraph 1, The above sensor node device Store model name information of the sensor node device and data type information indicating the types of the plurality of transmission data in the UUID field constituting the above posting data, It is characterized in that device identification information indicating identification information of the device that generated the transmission data is further stored in the UUID field constituting the above posting data. Data transmission and reception system using multi-transmission.

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