CN111083646A - Method and system for transmitting physical sign data with low power consumption - Google Patents
Method and system for transmitting physical sign data with low power consumption Download PDFInfo
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- CN111083646A CN111083646A CN201911200679.8A CN201911200679A CN111083646A CN 111083646 A CN111083646 A CN 111083646A CN 201911200679 A CN201911200679 A CN 201911200679A CN 111083646 A CN111083646 A CN 111083646A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
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- General Physics & Mathematics (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method and a system for transmitting sign data with low power consumption, and belongs to the technical field of wearable equipment. The method comprises the following steps: modifying the Bluetooth network name of the physical sign equipment into a broadcast name with a changeable state and a preset byte; filling the sign information of the target to be tested and the information data of the sign equipment into a broadcast name to generate a broadcast to be broadcasted; broadcasting the broadcasting name to be broadcasted at preset time intervals, collecting the physical sign data of the target to be detected according to the broadcasting name, and encrypting and transmitting the collected physical sign data to receiving equipment. The invention solves the problem of power consumption control of the wearable equipment, achieves the effect of saving power consumption, and solves the problems of low data transmission efficiency and complicated protocol of Bluetooth.
Description
Technical Field
The invention relates to the technical field of wearable equipment, in particular to a method and a system for transmitting sign data with low power consumption.
Background
With the rapid development of mobile wearable devices, more and more people want to know own physical sign data at any time, the standby time of the wearable devices is expected to be longer and longer, the bluetooth 4.0 is low-power-consumption bluetooth, however, generally, the wearable devices adopt the bluetooth 4.0 to send data in a connected state for data transmission, and in order to maintain the connected state, the two parties need to continuously exchange data for corresponding response, and we know that the bluetooth has sending power and receiving power, and the longer the sending and receiving time, the greater the power consumption. The Bluetooth broadcast adopts time intervals to broadcast on the channels 37, 38 and 39 of the Bluetooth, the broadcasting time can be adjusted within the Bluetooth protocol range (20 ms-10.24 s), the larger the interval is, the lower the power consumption is, the Bluetooth broadcast only has transmitting power and no receiving power, and the power consumption is halved; the bluetooth device name broadcast protocol is simple, and 31 bytes are sent in a single time. The data sent by connection can send a lot of protocol data, and the efficiency of Bluetooth data sending is low, mainly because the protocol is complicated.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for transmitting sign data with low power consumption, including:
modifying the Bluetooth network name of the physical sign equipment into a broadcast name with a changeable state and a preset byte;
filling the sign information of the target to be tested and the information data of the sign equipment into a broadcast name to generate a broadcast to be broadcasted;
broadcasting the broadcasting name to be broadcasted at preset time intervals, collecting the physical sign data of the target to be detected according to the broadcasting name, and encrypting and transmitting the collected physical sign data to receiving equipment.
Optionally, the method further includes: and after receiving the encrypted physical sign data, the receiving equipment analyzes the encrypted physical sign data to obtain the physical sign data.
Alternatively, the predetermined time interval is 20ms to 10.24 s.
Optionally, the method further includes: the receiving equipment sends out synchronous request information, and after the physical sign equipment receives the synchronous request information, connection is confirmed, and physical sign data are transmitted.
Optionally, the sign information includes: heart rate, systolic pressure, diastolic pressure, blood oxygen, and step counting;
sign data, including: heart rate value, systolic pressure value, diastolic pressure value, blood oxygen value and step counting number;
information data of the physical sign device comprises: an international mobile equipment identity, a serial number, a timestamp, an electrical quantity, a synchronization request, and alarm data.
The invention also provides a system for transmitting the physical sign data with low power consumption, which comprises:
the naming module modifies the Bluetooth network name of the physical sign equipment into a broadcast name with a changeable state and a preset byte;
the filling module is used for filling the sign information of the target to be detected and the information data of the sign equipment into a broadcast name to be generated and prepared for broadcasting;
the acquisition module broadcasts the broadcast name to be broadcasted at preset time intervals, collects the physical sign data of the target to be detected according to the broadcast name and transmits the collected physical sign data to the receiving equipment in an encrypted manner.
Optionally, the system further comprises: and the analysis and request module is used for analyzing the encrypted physical sign data after the receiving equipment is determined to receive the encrypted physical sign data, and acquiring the physical sign data.
Alternatively, the predetermined time interval is 20ms to 10.24 s.
Optionally, the analysis and request module is configured to control the receiving device to send out synchronization request information, and after the physical sign device receives the synchronization request information, the connection is confirmed, and physical sign data is transmitted.
Optionally, the sign information includes: heart rate, systolic pressure, diastolic pressure, blood oxygen, and step counting;
sign data, including: heart rate value, systolic pressure value, diastolic pressure value, blood oxygen value and step counting number;
information data of the physical sign device comprises: an international mobile equipment identity, a serial number, a timestamp, an electrical quantity, a synchronization request, and alarm data.
The invention solves the problem of power consumption control of the wearable equipment, achieves the effect of saving power consumption, and solves the problems of low data transmission efficiency and complicated protocol of Bluetooth.
Drawings
FIG. 1 is a flow chart of a method for transmitting sign data with low power consumption according to the present invention;
FIG. 2 is a diagram of a system for transmitting sign data with low power consumption according to the present invention;
FIG. 3 is a diagram of a Bluetooth network name structure of a low power consumption method for transmitting physical sign data according to the present invention;
fig. 4 is a bluetooth broadcast schematic diagram of a method for transmitting physical sign data with low power consumption according to the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The invention provides a method for transmitting sign data with low power consumption, as shown in fig. 1, comprising the following steps:
modifying the Bluetooth network name of the physical sign equipment into a broadcast name with a changeable state and a preset byte;
filling the sign information of the target to be tested and the information data of the sign equipment into a broadcast name to generate a broadcast to be broadcasted;
the sign information comprises: heart rate, systolic pressure, diastolic pressure, blood oxygen, and step counting;
information data of the physical sign device comprises: an international mobile equipment identification code, a serial number, a timestamp, an electric quantity, a synchronization request and alarm data;
broadcasting the broadcasting name to be broadcasted at a preset time interval of 20 ms-10.24 s, collecting the physical sign data of the target to be detected according to the broadcasting name, and encrypting and transmitting the collected physical sign data to the receiving equipment.
And after receiving the encrypted physical sign data, the receiving equipment analyzes the encrypted physical sign data to obtain the physical sign data.
The receiving equipment sends out synchronous request information, and after the physical sign equipment receives the synchronous request information, connection is confirmed, and physical sign data are transmitted.
Sign data, including: heart rate value, systolic pressure value, diastolic pressure value, blood oxygen value and step count number.
The invention is further illustrated below with reference to examples of the invention;
the characters of the broadcast of the general Bluetooth device name are less than 23 bytes, except that the device name does not carry other information, because the Bluetooth transmission requires that 1 frame of data is 31 bytes, the device name is filled with 0 when the device name is less than 23; bluetooth device name broadcasting transmits names through 37, 38 and 39 channels, which does not require frequent frequency hopping to prevent interference, thus reducing power consumption
Modifying the Bluetooth network name of the physical sign equipment into a changeable state and a broadcast name with the preset length of 23 bytes;
as shown in fig. 3, the type, imei, serial number, timestamp, power, heart rate, systolic pressure, diastolic pressure, blood oxygen, step counting, synchronization request, and alarm data are filled into the bluetooth network name;
the IMEI 7 bytes are commonly called as the serial number of the mobile equipment to be unique and used for distinguishing the same type of equipment;
sequence number 2 bytes, which is the sequence in which the device transmits data, the sequence number is updated if the device has data to transmit by broadcast.
The timestamp 4 bytes is the time when the data was collected;
the electric quantity, the heart rate, the systolic pressure, the diastolic pressure and the blood oxygen are 1byte respectively, and are sensor acquisition equipment and sign data;
the 3 bytes of the pedometer is the number of steps of the action of the physical sign bracelet physical equipment in one day.
The synchronous request 1byte is used for requesting information such as startup synchronous time of sign bracelet sign equipment;
1byte of alarm is used for alarm information, sign bracelet sign equipment performs simple intelligent operation and can perform simple alarm on vital signs;
the sign equipment sends a broadcast according to 23 bytes fixed by a new equipment name, the sign equipment is started to send a synchronous request, receives and analyzes the synchronous request, then initiates active connection through a BLE protocol, determines that the connected receiving equipment sends synchronous information such as time to the sign equipment, and the sign equipment receives the received information and quickly disconnects the received information.
Collecting heart rate 1-1, blood pressure 1-2, blood oxygen 1-3, step counting 1-4 and battery 1-5, and filling the heart rate to the heart rate position with the name of the equipment shown in figure 1; blood pressure 1-2 fills to the diastolic, systolic pressure position; blood oxygen is filled to the blood oxygen position; filling step counting data to a step counting position; detecting whether the sign equipment has a warning or not, filling the warning to a warning position with the warning, and not filling 0; if no synchronization is required, the synchronization request is filled with 0; updating the serial number and filling the serial number position; taking the time of the current physical sign equipment, and filling the time to the position of a time stamp; and the Bluetooth network name is changed, the Bluetooth broadcast can send out new physical sign data in the next broadcast, and if the equipment does not have data updating, the Bluetooth broadcast can always send the last data.
The receiving equipment scans a new sign equipment name, analyzes the equipment type, judges the equipment type to be a sign bracelet, further analyzes the IMEI, distinguishes the same type of different equipment, and sends the new equipment of the same type to a detection platform through a VPN tunnel or a wifi network; analyzing the serial number, if the serial number is lost, identifying the lost serial number, initiating a connection request by the receiving equipment, and sending the serial number to be retransmitted for retransmission after the connection is successful;
analyzing the time stamp and the previous comparison, if the time stamp is the same as the previous time stamp or is less than the previous time, not processing, and continuing to scan;
if the timestamp is found to be larger than the previous time, other data are continuously analyzed, and if the heart rate, the blood oxygen and the blood oxygen meter step are found to be not 0 data, the heart rate data are analyzed and sent to the detection platform through a VPN tunnel or a wifi network;
if a synchronous request is detected, the receiving equipment actively initiates the connection with the physical sign equipment to quickly exchange data and then is disconnected;
and analyzing that the warning data is not 0, and sending the warning data to the detection platform by the receiving equipment through a VPN tunnel or a wifi network.
The Bluetooth broadcast is one-way interval, if the broadcast interval setting of the Bluetooth is 20ms, the data sending is 50 times in 1s, the characteristic of sign data is considered, the broadcast sending the same data can be carried out for 500 times to 1 ten thousand times, the lost data with very low probability is in the effective distance of the Bluetooth transmission, the Bluetooth broadcast is fixed on channels 37, 38 and 39 and is not interfered by channels of other Bluetooth devices, and the data effectiveness is higher than that of a common heart rate bracelet.
In order to obtain higher validity of data, as shown in fig. 4, the broadcast of the n +2 serial number is not delivered, the receiving device scans the broadcast of the n +3 serial number and then compares the n +2 serial number with the broadcast of the n +3 serial number to find that n +2 is not received, the receiving device sends a connection request, the physical sign device responds, the receiving device sends the physical sign data of the n +2 serial number again after the connection is successful, the physical sign device receives the retransmission request, sends the physical sign data of n +2 in a connected state, can disconnect the connection after receiving the successful response of the receiving device, continues the broadcast, if no new physical sign data exists, the broadcast is still the physical sign data of n +3, and if new physical sign data exists, updates the broadcast-sent physical sign data of n.
Gather the sensor of heart rate, blood oxygen, the interval of single successful collection is between 12s to 15s, and the less power consumption of bluetooth broadcast characteristic interval is big more, consequently rationally increases sign device's broadcast interval to reduce the power consumption and prolong standby time.
The invention also provides a system 200 for transmitting sign data with low power consumption, as shown in fig. 2, comprising:
a naming module 201, which modifies the bluetooth network name of the physical sign device into a broadcast name with changeable state and the bluetooth network name of preset bytes;
the filling module 202 is used for filling the sign information of the target to be detected and the information data of the sign equipment into a broadcast name to be generated and prepared for broadcasting;
the sign information comprises: heart rate, systolic pressure, diastolic pressure, blood oxygen, and step counting;
information data of the physical sign device comprises: an international mobile equipment identification code, a serial number, a timestamp, an electric quantity, a synchronization request and alarm data;
the acquisition module 203 broadcasts the broadcast name to be broadcasted at a preset time interval of 20 ms-10.24 s, collects the physical sign data of the target to be detected according to the broadcast name, and encrypts and transmits the collected physical sign data to the receiving equipment;
sign data, including: heart rate value, systolic pressure value, diastolic pressure value, blood oxygen value and step count number.
The analysis and request module 204 analyzes the encrypted physical sign data after determining that the receiving device receives the encrypted physical sign data, and obtains the physical sign data.
The parsing and requesting module 204 is configured to control the receiving device to send out synchronization request information, and after the physical sign device receives the synchronization request information, confirm connection and transmit physical sign data.
The invention solves the problem of power consumption control of the wearable equipment, achieves the effect of saving power consumption, and solves the problems of low data transmission efficiency and complicated protocol of Bluetooth.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A method for transmitting sign data with low power consumption, the method comprising:
modifying the Bluetooth network name of the physical sign equipment into a broadcast name with a changeable state and a preset byte;
filling the sign information of the target to be tested and the information data of the sign equipment into a broadcast name to generate a broadcast to be broadcasted;
broadcasting the broadcasting name to be broadcasted at preset time intervals, collecting the physical sign data of the target to be detected according to the broadcasting name, and encrypting and transmitting the collected physical sign data to receiving equipment.
2. The method of claim 1, further comprising: and after receiving the encrypted physical sign data, the receiving equipment analyzes the encrypted physical sign data to obtain the physical sign data.
3. The method of claim 1, wherein the predetermined time interval is 20ms to 10.24 s.
4. The method of claim 1, further comprising: the receiving equipment sends out synchronous request information, and after the physical sign equipment receives the synchronous request information, connection is confirmed, and physical sign data are transmitted.
5. The method of claim 1, wherein the sign information comprises: heart rate, systolic pressure, diastolic pressure, blood oxygen, and step counting;
the physical sign data comprises: heart rate value, systolic pressure value, diastolic pressure value, blood oxygen value and step counting number;
the information data of the physical sign equipment comprises: an international mobile equipment identity, a serial number, a timestamp, an electrical quantity, a synchronization request, and alarm data.
6. A system for transmitting vital sign data with low power consumption, the system comprising:
the naming module modifies the Bluetooth network name of the physical sign equipment into a broadcast name with a changeable state and a preset byte;
the filling module is used for filling the sign information of the target to be detected and the information data of the sign equipment into a broadcast name to be generated and prepared for broadcasting;
the acquisition module broadcasts the broadcast name to be broadcasted at preset time intervals, collects the physical sign data of the target to be detected according to the broadcast name and transmits the collected physical sign data to the receiving equipment in an encrypted manner.
7. The system of claim 6, further comprising: and the analysis and request module is used for analyzing the encrypted physical sign data after the receiving equipment is determined to receive the encrypted physical sign data, and acquiring the physical sign data.
8. The system of claim 6, wherein the predetermined time interval is 20ms to 10.24 s.
9. The system of claim 7, wherein the parsing and requesting module is configured to control the receiving device to send out a synchronization request message, and when the physical sign device receives the synchronization request message, the physical sign device confirms connection and transmits physical sign data.
10. The system of claim 6, wherein the sign information comprises: heart rate, systolic pressure, diastolic pressure, blood oxygen, and step counting;
the physical sign data comprises: heart rate value, systolic pressure value, diastolic pressure value, blood oxygen value and step counting number;
the information data of the physical sign equipment comprises: an international mobile equipment identity, a serial number, a timestamp, an electrical quantity, a synchronization request, and alarm data.
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| CN201911200679.8A CN111083646A (en) | 2019-11-29 | 2019-11-29 | Method and system for transmitting physical sign data with low power consumption |
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