CN116996098B - NFC-based intelligent terminal communication method and device - Google Patents
NFC-based intelligent terminal communication method and device Download PDFInfo
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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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- G—PHYSICS
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
- G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
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- H04W12/10—Integrity
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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
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Abstract
The application relates to the technical field of communication, and particularly discloses an intelligent terminal communication method and equipment based on NFC.
Description
Technical Field
The application relates to the technical field of communication, in particular to an intelligent terminal communication method and equipment based on NFC.
Background
NFC is an emerging technology developed by integrating non-contact radio frequency identification and interconnection technology, and equipment adopting the NFC technology can realize data exchange by utilizing functions of an integrated induction type card reader, an induction type card and point-to-point communication under the condition of mutual approaching, and is mostly used for the design of intelligent terminals. NFC has two advantages, namely simple workflow and high data transmission speed. In the workflow, only one device needs to activate a radio frequency magnetic field to become a working signal in a passive mode, and along with the popularization of modern intelligent devices, more devices can be matched with the device, and the device can be realized only by exchanging data at the same frequency; in terms of data transmission speed, the NFC intelligent terminal at the beginning can only meet the transmission of hundreds of kbps per second, but after the 4G age, the transmission speed is greatly improved, and the data transmission speed can reach 2MB per second or even more than 5MB per second, so that the NFC intelligent terminal becomes more efficient and convenient. However, it is found that in the deformed working state and the near-human working environment, when the NFC intelligent terminal is used for communication, the influence of the surface temperature, the mechanical deformation degree and the electromagnetic characteristic index of the human body on the working performance of the NFC tag is quite large, so that the data transmission efficiency is affected, the accuracy of data transmission is greatly affected, and in order to solve the above problem, a technical scheme is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the application provides the intelligent terminal communication method and the intelligent terminal communication device based on NFC, which are characterized in that the mechanical deformation degree and the human electromagnetic characteristic index of an NFC label are monitored, a temperature compensation algorithm is fused with the NFC label to obtain the communication parameter value to be adjusted of the NFC label, the mechanical deformation degree, the human electromagnetic characteristic index and the communication parameter value to be adjusted of the NFC label are integrated to construct an intelligent terminal accuracy prediction model, the influence of the mechanical deformation degree and the human electromagnetic characteristic index of the NFC label on the working performance of the NFC label is avoided, the communication parameters are automatically adjusted under different working environments to adapt to the mechanical deformation and improve the change of the human electromagnetic characteristic, the reliability and the robustness of NFC communication are improved, and the reliable interaction between the intelligent terminal and the NFC label is promoted, so that the problems in the background technology are solved.
In order to achieve the above purpose, the present application provides the following technical solutions:
an intelligent terminal communication method based on NFC comprises the following steps:
step one, connection between an NFC tag and an intelligent terminal: the NFC tag and the intelligent terminal are connected through an NFC antenna, so that data transmission is realized;
step two, data encryption and decryption: when data is transmitted between the NFC tag and the intelligent terminal, the data is encrypted to prevent data leakage, and after the intelligent terminal receives the data, the data is decrypted to recover the original data;
step three, data verification and confirmation: the transmission data is checked and confirmed through a data checking algorithm;
step four, anti-interference design: monitoring the mechanical deformation degree of the NFC tag and the electromagnetic characteristic index of the human body, fusing a temperature compensation algorithm with the NFC tag to obtain a communication parameter value to be adjusted of the NFC tag, and constructing an intelligent terminal accuracy prediction model by integrating the mechanical deformation degree of the NFC tag, the electromagnetic characteristic index of the human body and the communication parameter value to be adjusted;
step five, energy transmission and collection: when data are transmitted between the NFC tag and the intelligent terminal, the intelligent terminal transmits energy to the NFC tag so as to ensure the normal work of the NFC tag, and the NFC tag collects environmental energy so as to be used by the intelligent terminal;
step six, intelligent terminal control function: and sending a control command to the intelligent terminal through the NFC tag, so as to realize remote operation and control of the intelligent terminal.
As a further scheme of the application, the system comprises a processor, and a communication module, an NFC antenna, an electromagnetic sensor, an accelerometer, a gyroscope sensor, a light energy collector, a radio frequency energy collector and a heat energy collector which are in communication connection with the processor.
As a further scheme of the application, the third data verification and confirmation are performed on the transmission data through a data verification algorithm, when the data is transmitted between the NFC tag and the intelligent terminal, the data is verified, and after the intelligent terminal receives the data, the data is confirmed.
As a further aspect of the present application, the NFC tag collects environmental energy by incorporating a light energy collector, a radio frequency energy collector, and a thermal energy collector, the energy in the environmental energy being available in the environment including light energy, radio frequency signal energy, and thermal energy, and converts the collected environmental energy into electrical energy to provide energy supply for the NFC tag.
As a further scheme of the application, an NFC label mechanical deformation degree evaluation model is constructed through the angular speed, the vibration amplitude, the vibration frequency, the linear height and the posture change degree of the NFC label, and the formula of the NFC label mechanical deformation degree evaluation model is as follows:
；
wherein:for the mechanical deformation degree of the NFC tag +.>For the angular velocity of the NFC tag +.>For the vibration amplitude of the NFC tag +.>For the vibration frequency of the NFC tag +.>For the linear height of the NFC tag +.>Is the degree of change in the pose of the NFC tag.
As a further scheme of the application, when the NFC tag is mechanically deformed, the gyroscope sensor detects deformation information, and the NFC tag responds according to automatic adjustment parameters of the deformation information, wherein the automatic adjustment parameters comprise communication power, communication frequency, communication mode, modulation mode, communication opportunity, sleep mode and wake-up strategy.
As a further scheme of the application, the mechanical deformation degree of the NFC tag and the electromagnetic characteristic index of the human body are monitored, a temperature compensation algorithm is fused with the NFC tag to obtain the communication parameter value to be adjusted of the NFC tag, and the specific steps of constructing an intelligent terminal accuracy prediction model by integrating the mechanical deformation degree of the NFC tag, the electromagnetic characteristic index of the human body and the communication parameter value to be adjusted are as follows:
step Q1, data acquisition: writing firmware of the NFC tag to read temperature data from the temperature sensor in real time;
step Q2, designing a temperature compensation algorithm: establishing a temperature compensation model through a neural network model, wherein the input of the temperature compensation model is temperature data, and the output of the temperature compensation model is the adjustment quantity of the NFC label required to adjust the communication parameter value;
q3, constructing an intelligent terminal accuracy prediction model: the method comprises the steps of constructing an intelligent terminal accuracy prediction model by integrating the mechanical deformation degree of an NFC tag, the electromagnetic characteristic index of a human body and the communication parameter value to be adjusted, wherein the formula of the intelligent terminal accuracy prediction model is as follows:
；
wherein:for intelligent terminal accuracy, < >>For the mechanical deformation degree of the NFC tag +.>Is a human electromagnetic characteristic index of NFC label, +.>The communication parameter value is required to be adjusted for the NFC tag;
step Q4, optimizing and verifying: simulating the performance of the NFC tag under different temperature conditions;
step Q5, fault processing: fault handling mechanisms are developed to cope with sensor faults or anomalies.
As a further aspect of the present application, the adjustment amount by which the NFC tag needs to adjust the communication parameter value includes signal strength, transmission power, transmission rate, frame synchronization parameter, and error control characteristic index.
The application has the technical effects and advantages that:
1. according to the application, the accuracy prediction model of the intelligent terminal is constructed by integrating the mechanical deformation degree of the NFC tag, the electromagnetic characteristic index of the human body and the communication parameter value to be adjusted, so that the influence of the mechanical deformation degree of the NFC tag and the electromagnetic characteristic index of the human body on the working performance of the NFC tag is avoided, the communication parameters are automatically adjusted under different working environments, so that the mechanical deformation is adapted, the change of the electromagnetic characteristic of the human body is improved, the reliability and the robustness of NFC communication are improved, and the reliable interaction between the intelligent terminal and the NFC tag is promoted;
2. according to the NFC tag communication parameter value to be adjusted, the mechanical deformation degree and the human electromagnetic characteristic index of the NFC tag are monitored, the temperature compensation algorithm is fused with the NFC tag to obtain the NFC tag communication parameter value to be adjusted, and the communication parameter is adjusted in real time to adapt to adverse effects of temperature change on communication, so that the stability, the reliability and the power consumption of NFC communication are improved, and therefore user experience is improved and operation cost is reduced.
Drawings
Fig. 1 is a flowchart of an intelligent terminal communication method based on NFC in the present application;
fig. 2 is a schematic structural diagram of an intelligent terminal communication device based on NFC in the present application.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the embodiment of the present application, and it is apparent that the described embodiment is only a part of the embodiment of the present application, not all the embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-2, an intelligent terminal communication method based on NFC includes the following steps:
step one, connection between an NFC tag and an intelligent terminal: the NFC tag and the intelligent terminal are connected through an NFC antenna, so that data transmission is realized;
step two, data encryption and decryption: when data is transmitted between the NFC tag and the intelligent terminal, the data is encrypted to prevent data leakage, and after the intelligent terminal receives the data, the data is decrypted to recover the original data;
step three, data verification and confirmation: the transmission data is checked and confirmed through a data checking algorithm;
step four, anti-interference design: monitoring the mechanical deformation degree of the NFC tag and the electromagnetic characteristic index of the human body, fusing a temperature compensation algorithm with the NFC tag to obtain a communication parameter value to be adjusted of the NFC tag, and constructing an intelligent terminal accuracy prediction model by integrating the mechanical deformation degree of the NFC tag, the electromagnetic characteristic index of the human body and the communication parameter value to be adjusted; in the anti-interference design, the mechanical deformation degree of the NFC label and the electromagnetic characteristic index of the human body are monitored, and the specific steps for monitoring are as follows:
step W1, an NFC tag mechanical deformation degree evaluation model is built through the accelerometer and the gyroscope sensor integrated on the NFC tag so as to monitor the angular speed, the vibration amplitude, the vibration frequency, the linear acceleration and the posture change degree of the NFC tag, when the NFC tag is mechanically deformed, the gyroscope sensor detects deformation information, and the NFC tag automatically adjusts parameter response according to the deformation information;
step W2, detecting external electromagnetic interference and human electromagnetic characteristic indexes through an electromagnetic sensor integrated on the NFC tag, wherein when the electromagnetic sensor monitors the change of an electromagnetic field, the NFC tag responds by adjusting communication frequency;
step W3, performing daily self-checking on the NFC tag, and when mechanical deformation and electromagnetic interference are detected, sending out a warning signal by the NFC tag, reporting to the intelligent terminal and automatically taking countermeasures;
step W4, integrating the NFC tag with a remote monitoring and management system to realize the capability of remotely monitoring the NFC tag and remotely configuring tag parameters;
step five, energy transmission and collection: when data are transmitted between the NFC tag and the intelligent terminal, the intelligent terminal transmits energy to the NFC tag so as to ensure the normal work of the NFC tag, and the NFC tag collects environmental energy so as to be used by the intelligent terminal;
step six, intelligent terminal control function: and sending a control command to the intelligent terminal through the NFC tag, so as to realize remote operation and control of the intelligent terminal.
Through monitoring the mechanical deformation degree and the human electromagnetic characteristic index of the NFC label, the temperature compensation algorithm and the NFC label are fused to obtain the communication parameter value to be adjusted of the NFC label, the mechanical deformation degree, the human electromagnetic characteristic index and the communication parameter value to be adjusted of the NFC label are integrated to construct an intelligent terminal accuracy prediction model, the influence of the mechanical deformation degree and the human electromagnetic characteristic index of the NFC label on the working performance of the NFC label is avoided, the communication parameters are automatically adjusted under different working environments, so that the mechanical deformation is adapted, the change of the human electromagnetic characteristic is improved, the reliability and the robustness of NFC communication are improved, and the reliable interaction between the intelligent terminal and the NFC label is promoted.
The embodiment of the application comprises a processor, and a communication module, an NFC antenna, an electromagnetic sensor, an accelerometer, a gyroscope sensor, a light energy collector, a radio frequency energy collector and a heat energy collector which are in communication connection with the processor.
The NFC antenna is used for transmitting communication information, the processor is a central control unit of the NFC tag, is connected to each sensor and the energy collector, is responsible for data processing and communication control, and the electromagnetic sensor, the speedometer and the gyroscope sensor are connected with the processor to provide information about the surrounding environment and the state of the tag, and the light energy collector, the radio frequency energy collector and the heat energy collector are also connected with the processor and are used for collecting energy in the environment so as to supply power and prolong the service life of the tag.
In the third data verification and confirmation step in the embodiment of the application, the data transmission is verified and confirmed through a data verification algorithm, when the data is transmitted between the NFC tag and the intelligent terminal, the data is verified, and after the intelligent terminal receives the data, the data is confirmed.
According to the NFC tag, the NFC tag collects environmental energy through the built-in light energy collector, the radio frequency energy collector and the heat energy collector, the energy in the environmental energy is available energy in the environment and comprises light energy, radio frequency signal energy and heat energy, and the collected environmental energy is converted into electric energy to provide energy supply for the NFC tag.
In the step four anti-interference design in the embodiment of the application, the mechanical deformation degree of the NFC label and the electromagnetic characteristic index of the human body are monitored, and the specific steps for monitoring are as follows:
step W1, an NFC tag mechanical deformation degree evaluation model is built through the accelerometer and the gyroscope sensor integrated on the NFC tag so as to monitor the angular speed, the vibration amplitude, the vibration frequency, the linear acceleration and the posture change degree of the NFC tag, when the NFC tag is mechanically deformed, the gyroscope sensor detects deformation information, and the NFC tag automatically adjusts parameter response according to the deformation information;
step W2, detecting external electromagnetic interference and human electromagnetic characteristic indexes through an electromagnetic sensor integrated on the NFC tag, wherein when the electromagnetic sensor monitors the change of an electromagnetic field, the NFC tag responds by adjusting communication frequency;
step W3, performing daily self-checking on the NFC tag, and when mechanical deformation and electromagnetic interference are detected, sending out a warning signal by the NFC tag, reporting to the intelligent terminal and automatically taking countermeasures;
and step W4, integrating the NFC tag with a remote monitoring and management system to realize the capability of remotely monitoring the NFC tag and remotely configuring tag parameters.
According to the embodiment of the application, an NFC label mechanical deformation degree evaluation model is constructed through the angular speed, the vibration amplitude, the vibration frequency, the linear height and the gesture change degree of the NFC label, and the formula of the NFC label mechanical deformation degree evaluation model is as follows:
；
wherein:for the mechanical deformation degree of the NFC tag +.>As NFC tagAngular velocity (V/V)>For the vibration amplitude of the NFC tag +.>For the vibration frequency of the NFC tag +.>For the linear height of the NFC tag +.>Is the degree of change in the pose of the NFC tag.
Angular velocity represents the angular velocity of the NFC tag for detecting rotation and posture changes of the tag; the vibration amplitude represents the vibration amplitude of the NFC tag for evaluating the intensity of the vibration; the vibration frequency represents a vibration frequency of the NFC tag for evaluating the frequency of vibration; the linear height represents the linear ordinate of the NFC tag and is used for detecting the ordinate change of the tag; the posture change indicates a posture change degree of the NFC tag for evaluating bending, twisting, and tilting degrees of the tag.
In the embodiment of the application, when the NFC tag is mechanically deformed, the deformation information is detected by the gyroscope sensor, the NFC tag is correspondingly processed according to automatic adjustment parameters of the deformation information, and the automatic adjustment parameters comprise communication power, communication frequency, communication mode, modulation mode, communication opportunity, sleep mode and wake-up strategy.
Wherein, the communication power: according to the deformation degree of the detected NFC tag, the communication power is adjusted, and when the deformation causes that the NFC antenna is far away from the card reader, the communication power needs to be increased to ensure that the signal meets the standard; communication frequency: the NFC tag adjusts the communication frequency for interference or signal attenuation, and when the tag is more interfered or blocked to a certain extent, the frequency is tried to be switched; communication mode: the NFC tag can switch the communication mode from the active communication mode to the passive communication mode according to the deformation information so as to reduce the requirement on a power supply; modulation mode: the NFC tag can adjust the modulation mode of communication so as to adapt to a deformation state; communication opportunity: after deformation is detected, the tag can wait for the increase of the signal strength under specific conditions and then communicate; sleep mode and wake policy: when the tag is in a mechanical deformation state but communication is not needed, the tag is switched to a sleep mode with low power consumption, and a wake-up strategy is set so as to save energy to the greatest extent.
In the embodiment of the application, the mechanical deformation degree of the NFC tag and the electromagnetic characteristic index of the human body are monitored, the temperature compensation algorithm is fused with the NFC tag to obtain the communication parameter value to be adjusted of the NFC tag, and the specific steps of constructing the intelligent terminal accuracy prediction model by integrating the mechanical deformation degree of the NFC tag, the electromagnetic characteristic index of the human body and the communication parameter value to be adjusted are as follows:
step Q1, data acquisition: writing firmware of the NFC tag to read temperature data from the temperature sensor in real time;
step Q2, designing a temperature compensation algorithm: establishing a temperature compensation model through a neural network model, wherein the input of the temperature compensation model is temperature data, and the output of the temperature compensation model is the adjustment quantity of the NFC label required to adjust the communication parameter value;
q3, constructing an intelligent terminal accuracy prediction model: the method comprises the steps of constructing an intelligent terminal accuracy prediction model by integrating the mechanical deformation degree of an NFC tag, the electromagnetic characteristic index of a human body and the communication parameter value to be adjusted, wherein the formula of the intelligent terminal accuracy prediction model is as follows:
；
wherein:for intelligent terminal accuracy, < >>For the mechanical deformation degree of the NFC tag +.>Is a human electromagnetic characteristic index of NFC label, +.>The communication parameter value is required to be adjusted for the NFC tag;
step Q4, optimizing and verifying: simulating the performance of the NFC tag under different temperature conditions;
step Q5, fault processing: fault handling mechanisms are developed to cope with sensor faults or anomalies.
The adjustment amount of the NFC tag according to the embodiment of the present application to adjust the communication parameter value includes signal strength, transmission power, transmission rate, frame synchronization parameter, and error control characteristic index.
Through monitoring NFC label's mechanical deformation degree and human electromagnetic property index, fuse temperature compensation algorithm and NFC label and obtain NFC label's needs adjust communication parameter value, through real-time adjustment communication parameter to adapt to temperature variation and to the adverse effect of communication, NFC communication's stability, reliability and consumption, thereby improve user experience and reduce operation cost. Combining temperature compensation with mechanical deformation and electromagnetic property monitoring enables NFC tags to adapt to complex and varying environmental conditions to determine communication stability.
In the embodiment of the application, the NFC tag and the intelligent terminal are connected through the NFC antenna to realize data transmission, when data are transmitted between the NFC tag and the intelligent terminal, the data are encrypted to prevent data leakage, after the intelligent terminal receives the data, the data are decrypted to recover original data, the transmitted data are checked and confirmed through a data checking algorithm, the mechanical deformation degree of the NFC tag and the electromagnetic characteristic index of a human body are monitored, a temperature compensation algorithm and the NFC tag are fused to obtain a communication parameter value to be adjusted of the NFC tag, the mechanical deformation degree of the NFC tag, the electromagnetic characteristic index of the human body and the communication parameter value to be adjusted are integrated to construct an intelligent terminal accuracy prediction model, when the data are transmitted between the NFC tag and the intelligent terminal, the intelligent terminal transmits energy to the NFC tag to ensure normal work of the NFC tag, and simultaneously the NFC tag collects environmental energy for self use, finally, a control command is sent to the intelligent terminal through the NFC tag to realize remote operation and control of the intelligent terminal, so as to adapt to mechanical deformation and improve the change of the electromagnetic characteristic of the human body, the reliability and robustness of NFC communication are improved, the communication interruption and the reliability of the NFC tag are facilitated, and the reliability of the NFC interaction between the NFC tag and the intelligent terminal is promoted.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (8)
1. An intelligent terminal communication method based on NFC is characterized by comprising the following steps:
step one, connection between an NFC tag and an intelligent terminal: the NFC tag and the intelligent terminal are connected through an NFC antenna, so that data transmission is realized;
step two, data encryption and decryption: when data is transmitted between the NFC tag and the intelligent terminal, the data is encrypted to prevent data leakage, and after the intelligent terminal receives the data, the data is decrypted to recover the original data;
step three, data verification and confirmation: the transmission data is checked and confirmed through a data checking algorithm;
step four, anti-interference design: monitoring the mechanical deformation degree of the NFC tag and the electromagnetic characteristic index of the human body, fusing a temperature compensation algorithm with the NFC tag to obtain a communication parameter value to be adjusted of the NFC tag, and constructing an intelligent terminal accuracy prediction model by integrating the mechanical deformation degree of the NFC tag, the electromagnetic characteristic index of the human body and the communication parameter value to be adjusted; in the anti-interference design, the mechanical deformation degree of the NFC label and the electromagnetic characteristic index of the human body are monitored, and the specific steps for monitoring are as follows:
step W1, an NFC tag mechanical deformation degree evaluation model is built through the accelerometer and the gyroscope sensor integrated on the NFC tag so as to monitor the angular speed, the vibration amplitude, the vibration frequency, the linear acceleration and the posture change degree of the NFC tag, when the NFC tag is mechanically deformed, the gyroscope sensor detects deformation information, and the NFC tag automatically adjusts parameter response according to the deformation information;
step W2, detecting external electromagnetic interference and human electromagnetic characteristic indexes through an electromagnetic sensor integrated on the NFC tag, wherein when the electromagnetic sensor monitors the change of an electromagnetic field, the NFC tag responds by adjusting communication frequency;
step W3, performing daily self-checking on the NFC tag, and when mechanical deformation and electromagnetic interference are detected, sending out a warning signal by the NFC tag, reporting to the intelligent terminal and automatically taking countermeasures;
step W4, integrating the NFC tag with a remote monitoring and management system to realize the capability of remotely monitoring the NFC tag and remotely configuring tag parameters;
step five, energy transmission and collection: when data are transmitted between the NFC tag and the intelligent terminal, the intelligent terminal transmits energy to the NFC tag so as to ensure the normal work of the NFC tag, and the NFC tag collects environmental energy so as to be used by the intelligent terminal;
step six, intelligent terminal control function: and sending a control command to the intelligent terminal through the NFC tag, so as to realize remote operation and control of the intelligent terminal.
2. The method for communication between an NFC tag and an intelligent terminal according to claim 1, wherein the data verification and confirmation in the step three are performed, the data is verified when the data is transmitted between the NFC tag and the intelligent terminal, and the data is confirmed after the data is received by the intelligent terminal.
3. The method for communication of an NFC-based intelligent terminal according to claim 1, wherein the NFC tag collects environmental energy, the NFC tag collects the environmental energy through a built-in light energy collector, a radio frequency energy collector and a heat energy collector, the energy in the environmental energy is light energy, radio frequency signal energy and heat energy in the environment, and the collected environmental energy is converted into electric energy.
4. The intelligent terminal communication method based on NFC according to claim 1, wherein an NFC tag mechanical deformation degree evaluation model is constructed through the angular speed, the vibration amplitude, the vibration frequency, the linear height and the gesture change degree of the NFC tag, and the formula of the NFC tag mechanical deformation degree evaluation model is as follows:
；
wherein:for the mechanical deformation degree of the NFC tag +.>For the angular velocity of the NFC tag +.>For the vibration amplitude of the NFC tag +.>For the vibration frequency of the NFC tag +.>For the linear height of the NFC tag +.>Is the degree of change in the pose of the NFC tag.
5. The method for communication between intelligent terminals based on NFC according to claim 1, wherein when the NFC tag is mechanically deformed, the gyroscope sensor detects deformation information, and the NFC tag responds to automatic adjustment parameters according to the deformation information, where the automatic adjustment parameters include communication power, communication frequency, communication mode, modulation mode, communication timing, sleep mode and wake-up policy.
6. The method for intelligent terminal communication based on NFC according to claim 1, wherein the method for intelligent terminal accuracy prediction model is characterized by monitoring the mechanical deformation degree of the NFC tag and the electromagnetic characteristic index of the human body, fusing the temperature compensation algorithm with the NFC tag to obtain the communication parameter value to be adjusted of the NFC tag, and combining the mechanical deformation degree of the NFC tag, the electromagnetic characteristic index of the human body and the communication parameter value to be adjusted to construct the intelligent terminal accuracy prediction model comprises the following specific steps:
step Q1, data acquisition: writing firmware of the NFC tag to read temperature data from the temperature sensor in real time;
step Q2, designing a temperature compensation algorithm: establishing a temperature compensation model through a neural network model, wherein the input of the temperature compensation model is temperature data, and the output of the temperature compensation model is the adjustment quantity of the NFC label required to adjust the communication parameter value;
q3, constructing an intelligent terminal accuracy prediction model: the method comprises the steps of constructing an intelligent terminal accuracy prediction model by integrating the mechanical deformation degree of an NFC tag, the electromagnetic characteristic index of a human body and the communication parameter value to be adjusted, wherein the formula of the intelligent terminal accuracy prediction model is as follows:
；
wherein:for intelligent terminal accuracy, < >>For the mechanical deformation degree of the NFC tag +.>Is a human electromagnetic characteristic index of NFC label, +.>The communication parameter value is required to be adjusted for the NFC tag;
step Q4, optimizing and verifying: simulating the performance of the NFC tag under different temperature conditions;
step Q5, fault processing: fault handling mechanisms are developed to cope with sensor faults or anomalies.
7. The method of claim 6, wherein the adjustment amounts by which the NFC tag needs to adjust the communication parameter values include signal strength, transmission power, transmission rate, frame synchronization parameters, and error control characteristic indexes.
8. An intelligent terminal communication device based on NFC, which is characterized in that the intelligent terminal communication device is applied to the intelligent terminal communication method based on NFC as claimed in any one of claims 1 to 7, and comprises a processor, a communication module, an NFC antenna, an electromagnetic sensor, an accelerometer, a gyroscope sensor, a light energy collector, a radio frequency energy collector and a heat energy collector, wherein the communication module, the NFC antenna, the electromagnetic sensor, the accelerometer, the gyroscope sensor, the light energy collector and the heat energy collector are in communication connection with the processor.
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| CN104446508A (en) * | 2014-11-28 | 2015-03-25 | 电子科技大学 | Method for reducing warping degree of NFC magnetic substrate |
| CN107161022A (en) * | 2017-05-24 | 2017-09-15 | 苏州我要亲点电子科技有限公司 | A kind of intelligent charging spot for pattern of being swiped the card with standalone version |
| CN114859391A (en) * | 2022-04-18 | 2022-08-05 | 苏州迭慧智能科技有限公司 | Internet of things-based intelligent object tag and tag sharing comprehensive positioning and navigation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20170030853A1 (en) * | 2014-11-21 | 2017-02-02 | John William Hodges, JR. | Apparatus, Method and System for Distributed Chemical or Biological to Digital Conversion to Digital Information Using Radio Frequencies |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446508A (en) * | 2014-11-28 | 2015-03-25 | 电子科技大学 | Method for reducing warping degree of NFC magnetic substrate |
| CN107161022A (en) * | 2017-05-24 | 2017-09-15 | 苏州我要亲点电子科技有限公司 | A kind of intelligent charging spot for pattern of being swiped the card with standalone version |
| CN114859391A (en) * | 2022-04-18 | 2022-08-05 | 苏州迭慧智能科技有限公司 | Internet of things-based intelligent object tag and tag sharing comprehensive positioning and navigation method |
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