CN104754501B - A kind of data transmission method and device - Google Patents
A kind of data transmission method and device Download PDFInfo
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- CN104754501B CN104754501B CN201510190806.6A CN201510190806A CN104754501B CN 104754501 B CN104754501 B CN 104754501B CN 201510190806 A CN201510190806 A CN 201510190806A CN 104754501 B CN104754501 B CN 104754501B
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Abstract
The invention discloses a kind of data transmission method and device, method includes: to receive the inquiry request for the first bracelet identification information for carrying the first bluetooth bracelet to be checked that first movement terminal is sent；According to the first data information corresponding to the inquiry request the first bracelet identification information of acquisition；And according to the preconfigured reading authority information of the first data information, a query result is sent to first movement terminal.First movement terminal of the invention generates an inquiry request by triggering close to the first bluetooth bracelet to be checked, server end is locally searching the first data information corresponding with the first bluetooth bracelet according to the inquiry request, realize the automation and intelligence of data query and transmission, server sends a query result to first movement terminal according to the reading authority information of the first data information.
Description
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a data transmission method and apparatus.
Background
With the popularization of various intelligent terminals, data transmission and sharing among terminals are more and more frequent, for example: stations, airports, hospitals, schools, and the like. In the data transmission method in the prior art, the number of steps of user participation operation is large, and the user is often required to inquire and jump between the two terminals, so that the operation difficulty of data transmission is increased.
Taking mobile medical treatment in a hospital scene which is rapidly developed at present as an example, mobile medical treatment is becoming a hotspot of the whole mobile communication industry at present, along with the rapid development of information technology, more and more hospitals in China are accelerating to implement the whole construction based on an information platform and a mobile medical system so as to improve the service level and the core competitiveness of hospitals. The informatization not only improves the working efficiency of doctors, but also enables the doctors to have more time to serve patients, and further improves the satisfaction degree and the trust degree of the patients, and invisibly builds the scientific and technological image of the hospital. Global medical systems try to utilize the mobility, flexibility and rapidity of wireless network technology, so that medical personnel can acquire case information more accurately, quickly and efficiently, make decisions and take measures; more medical systems cooperate through network technology, so that patients can more conveniently obtain medical services.
Therefore, how to quickly and accurately transmit the relevant information of the patient to the medical staff becomes a technical problem to be solved urgently.
Disclosure of Invention
In order to solve the technical problem, the invention provides a data transmission method and a data transmission device, which realize the rapid data transmission and ensure the safety of data transmission.
According to an aspect of the present invention, there is provided a data transmission method applied to a server, including:
receiving an inquiry request sent by a first mobile terminal, wherein the inquiry request carries first bracelet identification information of a first Bluetooth bracelet to be inquired, and the inquiry request is generated by triggering when the distance between the first mobile terminal and the first Bluetooth bracelet is less than a preset threshold and lasts for a preset time;
acquiring first data information corresponding to the first hand ring identification information according to the query request;
and sending a query result to the first mobile terminal according to the reading permission information preset by the first data information.
Further, before the step of acquiring the first data information corresponding to the first bracelet identification information according to the query request, the method further includes:
and configuring data information corresponding to the bracelet identification information of each Bluetooth bracelet, and storing the data information to the local.
Further, the configuration still includes with the data information that the bracelet identification information of each bluetooth bracelet corresponds to after saving to local step:
configuring reading authority information for the data information, wherein the reading authority information is used for indicating a mobile terminal with reading authority and recording identity information of the corresponding mobile terminal;
the step of sending a query result to the first mobile terminal according to the reading permission information pre-configured by the first data information comprises the following steps:
judging whether the first mobile terminal has the reading authority of the first data information or not according to the reading authority information of the first data information;
if yes, feeding back the first data information to the first mobile terminal;
otherwise, a prompt that the first data information is not found is returned.
Further, the configuration still includes with the data information that the bracelet identification information of each bluetooth bracelet corresponds to after saving to local step:
configuring modification authority information for the data information, wherein the modification authority information is used for indicating a mobile terminal with modification authority, and identity information of the corresponding mobile terminal is recorded in the modification authority information;
after the step of obtaining the first data information corresponding to the first bracelet identification information according to the query request, the method further includes:
judging whether the first mobile terminal equipment has the modification authority of the first data information or not according to the modification authority information of the first data information;
and if so, updating and storing the first data information to the local according to the modification of the first mobile terminal to the first data information.
Further, the distance between the first mobile terminal and the first bluetooth bracelet is calculated according to the signal strength of the bluetooth broadcast signal received by the first mobile terminal and sent by the first bluetooth bracelet, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection
wherein, ratio is rsi/measuredPower, rsi represents the signal intensity of the first bluetooth bracelet received by the first mobile terminal, and measuredPower represents the reference signal intensity of the bluetooth bracelet at a predetermined distance away from the bluetooth bracelet; distance represents the Distance between the first mobile terminal and the first bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio,m)×rssiCorrection
wherein m represents a preset constant.
According to another aspect of the present invention, there is also provided a data transmission method applied to a first mobile terminal, including:
when detecting that the distance between the first Bluetooth bracelet and a to-be-inquired first Bluetooth bracelet is smaller than a preset threshold and lasting for a preset time, generating an inquiry request, wherein the inquiry request carries first bracelet identification information of the first Bluetooth bracelet;
sending a query request to a server so that the server acquires first data information corresponding to the first hand ring identification information according to the query request;
and receiving an inquiry result sent by the server, wherein the inquiry result is sent by the server according to the reading authority information preset by the first data information.
Furthermore, the server stores data information corresponding to bracelet identification information of each Bluetooth bracelet, and the data information is configured with reading authority information in advance, wherein the reading authority information is used for indicating a mobile terminal with reading authority and recording identity information corresponding to the mobile terminal;
the step of receiving the query result sent by the server comprises the following steps:
reporting first identity information of the user to a server;
receiving a query result sent by the server according to the first identity information and the reading authority information of the first data information, wherein the first data information issued by the server is received when the first identity information is recorded in the reading authority information of the first data information; otherwise, receiving a prompt which is issued by the server and is not searched for the first data information.
Furthermore, the server also configures modification authority information for the data information in advance, wherein the modification authority information is used for indicating the mobile terminal with modification authority and recording identity information of the corresponding mobile terminal;
after the step of sending an inquiry request to the server so that the server acquires the first data information corresponding to the first hand ring identification information according to the inquiry request, the method further includes:
reporting first identity information of the user to a server;
modifying the first data information according to the modification authority information of the first data information; when the first identity information is recorded in the modification authority information, the server updates and stores the first identity information according to the modification of the first data information.
Further, the distance between the first bluetooth bracelet and the first bluetooth bracelet is calculated according to the signal strength of the received bluetooth broadcast signal sent by the first bluetooth bracelet, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection
wherein, ratio is rsi/measured power, rsi represents the signal intensity of the first bluetooth bracelet, and measured power represents the reference signal intensity of the bluetooth bracelet at a predetermined distance from the bluetooth bracelet; distance represents the Distance from the first bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein,d. e, f and g represent preset constants, Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio,m)×rssiCorrection
wherein m represents a preset constant.
According to another aspect of the present invention, there is provided a data transmission device applied to a server, including:
the first receiving module is used for receiving an inquiry request sent by a first mobile terminal, wherein the inquiry request carries first bracelet identification information of a first Bluetooth bracelet to be inquired, and the inquiry request is generated by triggering when the distance between the first mobile terminal and the first Bluetooth bracelet is less than a preset threshold and lasts for a preset time;
the first acquisition module is used for acquiring first data information corresponding to the first hand ring identification information according to the query request;
and the first sending module is used for sending a query result to the first mobile terminal according to the reading permission information preset by the first data information.
Further, the data transmission apparatus further includes:
the first configuration module is used for configuring data information corresponding to the bracelet identification information of each Bluetooth bracelet and storing the data information to the local.
Further, the data transmission apparatus further includes:
the second configuration module is used for configuring reading authority information for the data information, wherein the reading authority information is used for indicating the mobile terminal with reading authority and recording identity information of the corresponding mobile terminal;
the first transmitting module includes:
the first judging unit is used for judging whether the first mobile terminal has the reading authority of the first data information according to the reading authority information of the first data information;
if yes, feeding back the first data information to the first mobile terminal;
otherwise, a prompt that the first data information is not found is returned.
Further, the data transmission apparatus further includes:
the third configuration module is used for configuring modification authority information for the data information, wherein the modification authority information is used for indicating the mobile terminal with modification authority, and identity information corresponding to the mobile terminal is recorded in the modification authority information;
the first acquisition module includes:
the second judging unit is used for judging whether the first mobile terminal equipment has the modification authority of the first data information according to the modification authority information of the first data information;
and if so, updating and storing the first data information to the local according to the modification of the first mobile terminal to the first data information.
Further, the distance between the first mobile terminal and the first bluetooth bracelet is calculated according to the signal strength of the bluetooth broadcast signal received by the first mobile terminal and sent by the first bluetooth bracelet, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection
wherein, ratio is rsi/measuredPower, rsi represents the signal intensity of the first bluetooth bracelet received by the first mobile terminal, and measuredPower represents the reference signal intensity of the bluetooth bracelet at a predetermined distance away from the bluetooth bracelet; distance represents the Distance between the first mobile terminal and the first bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio,m)×rssiCorrection
wherein m represents a preset constant.
According to another aspect of the present invention, there is also provided a data transmission apparatus applied to a first mobile terminal, including:
the generating module is used for generating an inquiry request when detecting that the distance between the first Bluetooth bracelet to be inquired and the first Bluetooth bracelet is less than a preset threshold and lasts for a preset time, wherein the inquiry request carries first bracelet identification information of the first Bluetooth bracelet;
the second sending module is used for sending a query request to the server so that the server can obtain first data information corresponding to the first hand ring identification information according to the query request;
and the second receiving module is used for receiving the query result sent by the server, wherein the query result is sent by the server according to the reading permission information pre-configured by the first data information.
Furthermore, the server stores data information corresponding to bracelet identification information of each Bluetooth bracelet, and the data information is configured with reading authority information in advance, wherein the reading authority information is used for indicating a mobile terminal with reading authority and recording identity information corresponding to the mobile terminal;
the second receiving module includes:
the sending unit is used for reporting the first identity information of the sending unit to a server;
the receiving unit is used for receiving a query result sent by the server according to the first identity information and the reading authority information of the first data information, wherein the first data information issued by the server is received when the first identity information is recorded in the reading authority information of the first data information; otherwise, receiving a prompt which is issued by the server and is not searched for the first data information.
Furthermore, the server also configures modification authority information for the data information in advance, wherein the modification authority information is used for indicating the mobile terminal with modification authority and recording identity information of the corresponding mobile terminal;
the data transmission device further includes:
the third sending module is used for reporting the first identity information of the third sending module to the server;
the modification module is used for modifying the first data information according to the modification authority information of the first data information; when the first identity information is recorded in the modification authority information, the server updates and stores the first identity information according to the modification of the first data information.
Further, the distance between the first bluetooth bracelet and the first bluetooth bracelet is calculated according to the signal strength of the received bluetooth broadcast signal sent by the first bluetooth bracelet, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection
wherein, ratio is rsi/measured power, rsi represents the signal intensity of the first bluetooth bracelet, and measured power represents the reference signal intensity of the bluetooth bracelet at a predetermined distance from the bluetooth bracelet; distance represents the Distance from the first bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio,m)×rssiCorrection
wherein m represents a preset constant.
The embodiment of the invention has the beneficial effects that: a first mobile terminal triggers and generates an inquiry request by being close to a first Bluetooth bracelet to be inquired, a server side searches first data information corresponding to the first Bluetooth bracelet locally according to the inquiry request to realize automation and intellectualization of data inquiry and transmission, and the server sends an inquiry result to the first mobile terminal according to the reading permission information of the first data information.
Drawings
FIG. 1 shows a server-side flow diagram of a data transmission method of the present invention;
fig. 2 shows a first mobile terminal side flow chart of the data transmission method of the present invention;
FIG. 3 is a schematic diagram of a server-side module of the data transfer device of the present invention;
fig. 4 shows a schematic view of a first mobile terminal-side module of the data transmission device of the invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Examples
In a real life scenario, many situations requiring data transmission are encountered, for example, in a school, a teacher and a parent need to know the situation of a student at any time, in a hospital, a medical staff and a family member of a patient need to know the situation of the patient at any time, and the like. The embodiment of the invention provides a data transmission method which can be used in the scenes of daily life, company management, intelligent medical treatment and the like, and the invention is specifically explained in combination with a hospital scene.
As shown in fig. 1, the data transmission method provided in the embodiment of the present invention is applied to a server, and the method includes the following steps:
step 10: receiving an inquiry request sent by a first mobile terminal, wherein the inquiry request carries first bracelet identification information of a first Bluetooth bracelet to be inquired.
Here, the user of the mobile terminal is typically a medical staff of a hospital or a family of patients, wherein the mobile terminal may be a smartphone or a tablet computer supporting bluetooth 4.0 functionality. The user of bluetooth bracelet is the inpatient of hospital usually, can be equipped with a bluetooth bracelet that corresponds for it when the patient handles the procedure of being in hospital, and establishes the corresponding relation of this patient and bluetooth bracelet, and wherein, the bluetooth bracelet has only bracelet identification information. This bracelet identification information includes MAC address or bracelet ID etc. wherein, for the aspect input, can also number the bluetooth bracelet by oneself as its identification information, for example: and (3) converting hexadecimal of the four bytes behind the MAC address into decimal so as to be convenient for a person to represent, wherein the MAC address of the bracelet is as follows: 0xD03972A04339, namely 4339, is decimal 17209, then 17209 is used as the unique ID of the bracelet. When the patient is in hospital and registers, can distribute a bluetooth bracelet for the patient to bind bluetooth bracelet and this patient's information. The bluetooth bracelet is configured to periodically transmit a bluetooth broadcast signal, where a transmission period may be preset, for example, once every 200ms, and the mobile terminal may receive the bluetooth broadcast signal.
When it is necessary to know the basic condition of a patient, such as: patient's case history or patient position etc. first mobile terminal that certain administrative or technical offices doctor carried need be close to the first bluetooth bracelet that the patient that waits to inquire wore, and when the distance between first mobile terminal and the first bluetooth bracelet is less than a predetermined threshold to when lasting a predetermined time, for example detect that the distance between first mobile terminal and the first bluetooth bracelet is less than 20cm, and has lasted 5s, can trigger and generate an inquiry request, when confirming to submit the back, send to the server end by first mobile terminal. Therefore, the query request is automatically triggered and generated without too many complicated operation steps of a user, and the automation and the intellectualization of data transmission are realized.
Furthermore, the initial power of the bluetooth signals sent by each bluetooth bracelet can be configured in advance to be the same, so that the signal strength of the bluetooth broadcast signals sent by different bluetooth bracelets received by the mobile terminal can generally reflect the distance between the mobile terminal and different bluetooth bracelets. Generally, the closer the distance, the stronger the signal strength. The distance between the first mobile terminal and the first bluetooth bracelet can be calculated according to the signal strength of the bluetooth broadcast signal sent by the first bluetooth bracelet received by the first mobile terminal, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection
wherein, ratio is rsi/measuredPower, rsi represents the signal intensity of the first bluetooth bracelet received by the first mobile terminal, and measuredPower represents the reference signal intensity of the bluetooth bracelet at a predetermined distance away from the bluetooth bracelet; distance represents the Distance between the first mobile terminal and the first bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio,m)×rssiCorrection
wherein m represents a preset constant.
It should be noted that there are many calculation algorithms for calculating the distance between the mobile terminal and the bluetooth bracelet according to the signal strength of the bluetooth broadcast signal, and the above formula is only one implementation manner.
Step 20: and acquiring first data information corresponding to the first hand ring identification information according to the query request.
After receiving the query request, the server searches for first data information corresponding to the first hand ring identification information carried in the query request, where the first data information generally includes: patient personal data, medical history, hospital bed number, current location, etc.
Further, when the patient handles the hospitalization procedure, besides allocating a bluetooth bracelet to the patient, the basic information of the patient is also configured, that is, before the step of acquiring the first data information corresponding to the first bracelet identification information according to the query request, the data information corresponding to the bracelet identification information of each bluetooth bracelet is also configured and stored to the server side. The data information is various information related to the patient, such as: patient personal data, medical history, hospital bed number, current location, etc.
Step 30: and sending a query result to the first mobile terminal according to the reading permission information preset by the first data information.
Here, in order to ensure the security of the patient data information, when the server finds the requested first data information, the server may analyze the read authority information of the first data information, detect whether the first mobile terminal has the read authority, and send the query result to the first mobile terminal according to the analysis result.
Furthermore, after the step of configuring and storing the data information corresponding to the bracelet identification information of each bluetooth bracelet to the local, that is, after initializing the data information of each patient, the data information of the patient also needs to be configured with read permission information, and the read permission information is used for indicating the mobile terminal with the read permission and recording the identity information of the corresponding mobile terminal. For example: at the data information end of the patient, the surgical data is only bound with the mobile terminals used by doctors and nurses in the surgical department, so that the medical record information of the hospitalized patients and the like are only allowed to be checked by the doctors and nurses in the surgical department, but not by medical staff in the obstetrics and gynecology department, and certainly, some non-hospital staff are not allowed to be checked. Thus, the safety of the patient-related information and the hospital-related information is fully ensured.
In this way, the step of sending a query result to the first mobile terminal according to the reading permission information pre-configured by the first data information specifically includes: judging whether the first mobile terminal has the reading authority of the first data information or not according to the reading authority information of the first data information; if yes, feeding back the first data information to the first mobile terminal; otherwise, a prompt that the first data information is not found is returned. That is, if and only if the first mobile terminal has the right to read the first data information, the server will feed back the corresponding first data information to the first mobile terminal, otherwise, a prompt that the first data information is not found will be returned.
Further, in order to guarantee real-time and the accuracy of data information, after the data information that the bracelet identification information that the configuration corresponds with each bluetooth bracelet and save to local step, still include: and configuring modification authority information for the data information, wherein the modification authority information is used for indicating the mobile terminal with modification authority, and identity information of the corresponding mobile terminal is recorded in the modification authority information. For example: at the data information end of the patient, only the mobile terminal used by the doctor in the surgical department is bound in the modification authority information of the surgical data, but not the mobile terminal used by the nurse in the surgical department, the medical staff in other departments and the family members of the patient, so that the medical record information of the hospitalized patient in surgery, etc., only allows the doctor in the surgical department to modify or adjust, but not allow other staff to modify, and certainly some non-hospital staff do not allow modification. Therefore, when the condition of the patient changes, the doctor in the department can add the latest condition of the patient to the data information of the patient to update the data information; in addition, when the data information of the patient is found to be wrong, the doctor in the department can correct the data information. Therefore, the real-time performance, the integrity and the accuracy of the patient data information are realized, the actual condition of the patient can be better mastered, and an optimal treatment scheme is provided for the patient.
When the first data information needs to be modified or updated, whether the first mobile terminal device has the modification authority of the first data information is judged according to the modification authority information of the first data information; and if so, updating and storing the first data information to the local according to the modification of the first mobile terminal to the first data information.
According to another aspect of the embodiments of the present invention, there is also provided a data transmission method, as shown in fig. 2, applied to a first mobile terminal, including the following steps:
step 11: when the distance between the first Bluetooth bracelet to be inquired and the detection is smaller than a preset threshold, an inquiry request is generated, wherein the inquiry request carries first bracelet identification information of the first Bluetooth bracelet.
Here, the user of mobile terminal is medical personnel or patient's family members of hospital usually, and the user of bluetooth bracelet is the inpatient of hospital usually, can be equipped with a corresponding bluetooth bracelet for it when the patient handles the in-patient procedure, and establishes the corresponding relation of this patient and bluetooth bracelet, and wherein, the bluetooth bracelet has only bracelet identification information. This bracelet identification information includes MAC address or bracelet ID etc. wherein, for the aspect input, can also number the bluetooth bracelet by oneself as its identification information, for example: and (3) converting hexadecimal of the four bytes behind the MAC address into decimal so as to be convenient for a person to represent, wherein the MAC address of the bracelet is as follows: 0xD03972A04339, namely 4339, is decimal 17209, then 17209 is used as the unique ID of the bracelet. When the patient is in hospital and registers, can distribute a bluetooth bracelet for the patient to bind bluetooth bracelet and this patient's information. The bluetooth bracelet is configured to periodically transmit a bluetooth broadcast signal, where a transmission period may be preset, for example, once every 200ms, and the mobile terminal may receive the bluetooth broadcast signal.
When it is necessary to know the basic condition of a patient, such as: patient's case history or patient position etc. the first mobile terminal that certain administrative or technical offices doctor carried need be close to the first bluetooth bracelet that the patient that waits to inquire wore, when the distance between first mobile terminal and the first bluetooth bracelet is less than a predetermined threshold, can trigger and generate an inquiry request to send to the server end by first mobile terminal. Therefore, the query request is automatically triggered and generated without too many complicated operation steps of a user, and the automation and the intellectualization of data transmission are realized.
Further, the closer the distance, the stronger the signal strength. The distance between the first mobile terminal and the first bluetooth bracelet can be calculated according to the signal strength of the bluetooth broadcast signal sent by the first bluetooth bracelet received by the first mobile terminal, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection
wherein, ratio is rsi/measuredPower, rsi represents the signal intensity of the first bluetooth bracelet received by the first mobile terminal, and measuredPower represents the reference signal intensity of the bluetooth bracelet at a predetermined distance away from the bluetooth bracelet; distance represents the Distance between the first mobile terminal and the first bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio,m)×rssiCorrection
wherein m represents a preset constant.
It should be noted that there are many calculation algorithms for calculating the distance between the mobile terminal and the bluetooth bracelet according to the signal strength of the bluetooth broadcast signal, and the above formula is only one implementation manner.
Step 21: and sending a query request to the server so that the server acquires first data information corresponding to the first hand ring identification information according to the query request.
Furthermore, the server also configures modification authority information for the data information in advance, wherein the modification authority information is used for indicating the mobile terminal with modification authority and recording identity information of the corresponding mobile terminal. The configuration of the specific modification permission information can be implemented by referring to the above-described manner, and therefore, the detailed description thereof is omitted.
Further, after the step of sending an inquiry request to the server so that the server obtains the first data information corresponding to the first hand ring identification information according to the inquiry request, the method further includes: reporting first identity information of the user to a server; modifying the first data information according to the modification authority information of the first data information; when the first identity information is recorded in the modification authority information, the server updates and stores the first identity information according to the modification of the first data information. That is, if and only if the first mobile terminal having the modification authority can modify and update the first data information, the other terminals cannot edit and modify the first data information.
Step 31: and receiving an inquiry result sent by the server, wherein the inquiry result is sent by the server according to the reading authority information preset by the first data information.
Here, the server stores data information corresponding to bracelet identification information of each bluetooth bracelet, and is configured with read authority information for the data information in advance, and the read authority information is used for indicating a mobile terminal having a read authority and is recorded with identity information of the corresponding mobile terminal.
Further, the step of receiving the query result sent by the server includes: reporting first identity information of the user to a server; receiving a query result sent by the server according to the first identity information and the reading authority information of the first data information, wherein the first data information issued by the server is received when the first identity information is recorded in the reading authority information of the first data information; otherwise, receiving a prompt which is issued by the server and is not searched for the first data information. That is, the server will issue the first data information to the first mobile terminal only if the first mobile terminal has the right to read the first data information, otherwise, a prompt that the first data information is not found or a search result that the search fails is returned.
In the data transmission method provided by the embodiment of the invention, the first mobile terminal triggers and generates an inquiry request by approaching the first Bluetooth bracelet to be inquired, the server terminal searches the first data information corresponding to the first Bluetooth bracelet locally according to the inquiry request, so that the automation and the intellectualization of data inquiry and transmission are realized, and further, in order to ensure the safety of data inquiry and transmission, the server sends an inquiry result to the first mobile terminal according to the reading authority information of the first data information.
According to another aspect of the embodiments of the present invention, as shown in fig. 3, there is also provided a data transmission apparatus applied to a server, including:
the first receiving module is used for receiving an inquiry request sent by a first mobile terminal, wherein the inquiry request carries first bracelet identification information of a first Bluetooth bracelet to be inquired, and the inquiry request is generated by triggering when the distance between the first mobile terminal and the first Bluetooth bracelet is less than a preset threshold;
the first acquisition module is used for acquiring first data information corresponding to the first hand ring identification information according to the query request;
and the first sending module is used for sending a query result to the first mobile terminal according to the reading permission information preset by the first data information.
Further, the data transmission apparatus further includes:
the first configuration module is used for configuring data information corresponding to the bracelet identification information of each Bluetooth bracelet and storing the data information to the local.
Further, the data transmission apparatus further includes:
the second configuration module is used for configuring reading authority information for the data information, wherein the reading authority information is used for indicating the mobile terminal with reading authority and recording identity information of the corresponding mobile terminal;
the first transmitting module includes:
the first judging unit is used for judging whether the first mobile terminal has the reading authority of the first data information according to the reading authority information of the first data information;
if yes, feeding back the first data information to the first mobile terminal;
otherwise, a prompt that the first data information is not found is returned.
Further, the data transmission apparatus further includes:
the third configuration module is used for configuring modification authority information for the data information, wherein the modification authority information is used for indicating the mobile terminal with modification authority, and identity information corresponding to the mobile terminal is recorded in the modification authority information;
the first acquisition module includes:
the second judging unit is used for judging whether the first mobile terminal equipment has the modification authority of the first data information according to the modification authority information of the first data information;
and if so, updating and storing the first data information to the local according to the modification of the first mobile terminal to the first data information.
Further, the distance between the first mobile terminal and the first bluetooth bracelet is calculated according to the signal strength of the bluetooth broadcast signal received by the first mobile terminal and sent by the first bluetooth bracelet, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection
wherein, ratio is rsi/measuredPower, rsi represents the signal intensity of the first bluetooth bracelet received by the first mobile terminal, and measuredPower represents the reference signal intensity of the bluetooth bracelet at a predetermined distance away from the bluetooth bracelet; distance represents the Distance between the first mobile terminal and the first bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio,m)×rssiCorrection
wherein m represents a preset constant.
According to another aspect of the embodiments of the present invention, as shown in fig. 4, there is also provided a data transmission apparatus, applied to a first mobile terminal, including:
the generating module is used for generating an inquiry request when the distance between the first Bluetooth bracelet to be inquired and the first Bluetooth bracelet is smaller than a preset threshold, wherein the inquiry request carries first bracelet identification information of the first Bluetooth bracelet;
the second sending module is used for sending a query request to the server so that the server can obtain first data information corresponding to the first hand ring identification information according to the query request;
and the second receiving module is used for receiving the query result sent by the server, wherein the query result is sent by the server according to the reading permission information pre-configured by the first data information.
Furthermore, the server stores data information corresponding to bracelet identification information of each Bluetooth bracelet, and the data information is configured with reading authority information in advance, wherein the reading authority information is used for indicating a mobile terminal with reading authority and recording identity information corresponding to the mobile terminal;
the second receiving module includes:
the sending unit is used for reporting the first identity information of the sending unit to a server;
the receiving unit is used for receiving a query result sent by the server according to the first identity information and the reading authority information of the first data information, wherein the first data information issued by the server is received when the first identity information is recorded in the reading authority information of the first data information; otherwise, receiving a prompt which is issued by the server and is not searched for the first data information.
Furthermore, the server also configures modification authority information for the data information in advance, wherein the modification authority information is used for indicating the mobile terminal with modification authority and recording identity information of the corresponding mobile terminal;
the data transmission device further includes:
the third sending module is used for reporting the first identity information of the third sending module to the server;
the modification module is used for modifying the first data information according to the modification authority information of the first data information; when the first identity information is recorded in the modification authority information, the server updates and stores the first identity information according to the modification of the first data information.
Further, the distance between the first bluetooth bracelet and the first bluetooth bracelet is calculated according to the signal strength of the received bluetooth broadcast signal sent by the first bluetooth bracelet, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection
wherein, ratio is rsi/measured power, rsi represents the signal intensity of the first bluetooth bracelet, and measured power represents the reference signal intensity of the bluetooth bracelet at a predetermined distance from the bluetooth bracelet; distance represents the Distance from the first bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio,m)×rssiCorrection
wherein m represents a preset constant.
It should be noted that the apparatus is an apparatus corresponding to the data transmission method, and all implementation manners in the above method embodiment are applicable to the embodiment of the apparatus, and the same technical effect can be achieved.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (18)
1. A data transmission method is applied to a server and is characterized by comprising the following steps:
receiving an inquiry request sent by a first mobile terminal, wherein the inquiry request carries first bracelet identification information of a first Bluetooth bracelet to be inquired, and the inquiry request is generated by triggering when the distance between the first mobile terminal and the first Bluetooth bracelet is less than a preset threshold and lasts for a preset time;
acquiring first data information corresponding to the first hand ring identification information according to the query request;
sending a query result to the first mobile terminal according to the reading permission information pre-configured by the first data information; the reading authority information is used for indicating the mobile terminal with the reading authority and recording the identity information of the corresponding mobile terminal.
2. The data transmission method according to claim 1, wherein before the step of obtaining the first data information corresponding to the first bracelet identification information according to the query request, the method further comprises:
and configuring data information corresponding to the bracelet identification information of each Bluetooth bracelet, and storing the data information to the local.
3. The data transmission method according to claim 2, wherein after the step of configuring the data information corresponding to the bracelet identification information of each bluetooth bracelet and storing the data information locally, the method further comprises:
configuring reading authority information for the data information;
the step of sending a query result to the first mobile terminal according to the reading permission information pre-configured by the first data information comprises the following steps:
judging whether the first mobile terminal has the reading authority of the first data information or not according to the reading authority information of the first data information;
if yes, feeding back the first data information to the first mobile terminal;
otherwise, a prompt that the first data information is not found is returned.
4. The data transmission method according to claim 2, wherein after the step of configuring the data information corresponding to the bracelet identification information of each bluetooth bracelet and storing the data information locally, the method further comprises:
configuring modification authority information for the data information, wherein the modification authority information is used for indicating a mobile terminal with modification authority, and identity information of the corresponding mobile terminal is recorded in the modification authority information;
after the step of obtaining the first data information corresponding to the first bracelet identification information according to the query request, the method further includes:
judging whether the first mobile terminal equipment has the modification authority of the first data information or not according to the modification authority information of the first data information;
and if so, updating and storing the first data information to the local according to the modification of the first mobile terminal to the first data information.
5. The data transmission method according to claim 1, wherein the distance between the first mobile terminal and the first bluetooth bracelet is calculated according to a signal strength of a bluetooth broadcast signal received by the first mobile terminal and sent by the first bluetooth bracelet, and specifically calculated by a formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio，a))×rssiCorrection
wherein, ratio is rsi/measuredPower, rsi represents the signal intensity of the first bluetooth bracelet received by the first mobile terminal, and measuredPower represents the reference signal intensity of the bluetooth bracelet at a predetermined distance away from the bluetooth bracelet; distance represents the Distance between the first mobile terminal and the first Bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio，m)×rssiCorrection
wherein m represents a preset constant.
6. A data transmission method is applied to a first mobile terminal, and is characterized by comprising the following steps:
when detecting that the distance between the first Bluetooth bracelet and a to-be-inquired first Bluetooth bracelet is smaller than a preset threshold and lasting for a preset time, generating an inquiry request, wherein the inquiry request carries first bracelet identification information of the first Bluetooth bracelet;
sending the query request to a server so that the server acquires first data information corresponding to the first hand ring identification information according to the query request;
and receiving an inquiry result sent by the server, wherein the inquiry result is sent by the server according to reading permission information which is pre-configured by the first data information, and the reading permission information is used for indicating a mobile terminal with reading permission and recording identity information of the corresponding mobile terminal.
7. The data transmission method according to claim 6, wherein the server stores data information corresponding to bracelet identification information of each bluetooth bracelet, and is configured with read permission information for the data information in advance;
the step of receiving the query result sent by the server comprises the following steps:
reporting first identity information of the server to the server;
receiving a query result sent by the server according to first identity information and the reading authority information of the first data information, wherein the first data information issued by the server is received when the first identity information is recorded in the reading authority information of the first data information; otherwise, receiving a prompt which is issued by the server and is not searched for the first data information.
8. The data transmission method according to claim 7, wherein the server further configures modification authority information for the data information in advance, wherein the modification authority information is used for indicating a mobile terminal with modification authority and recording identity information of the corresponding mobile terminal;
after the step of sending the query request to a server to enable the server to obtain first data information corresponding to the first hand ring identification information according to the query request, the method further includes:
reporting first identity information of the server to the server;
modifying the first data information according to the modification authority information of the first data information; and when the first identity information is recorded in the modification authority information, the server updates and stores the first identity information according to the modification of the first data information.
9. The data transmission method according to claim 6, wherein the distance to the first bluetooth bracelet is calculated according to the signal strength of the received bluetooth broadcast signal sent by the first bluetooth bracelet, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio，a))×rssiCorrection
wherein, ratio is rsi/measured power, rsi represents the signal intensity of the first bluetooth bracelet, and measured power represents the reference signal intensity of the bluetooth bracelet at a predetermined distance from the bluetooth bracelet; distance represents the Distance from the first Bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio，m)×rssiCorrection
wherein m represents a preset constant.
10. A data transmission apparatus applied to a server, comprising:
the first receiving module is used for receiving an inquiry request sent by a first mobile terminal, wherein the inquiry request carries first bracelet identification information of a first Bluetooth bracelet to be inquired, and the inquiry request is generated by triggering when the distance between the first mobile terminal and the first Bluetooth bracelet is less than a preset threshold and lasts for a preset time;
the first acquisition module is used for acquiring first data information corresponding to the first hand ring identification information according to the query request;
the first sending module is used for sending a query result to the first mobile terminal according to the reading permission information pre-configured by the first data information; the reading authority information is used for indicating the mobile terminal with the reading authority and recording the identity information of the corresponding mobile terminal.
11. The data transmission apparatus according to claim 10, further comprising:
the first configuration module is used for configuring data information corresponding to the bracelet identification information of each Bluetooth bracelet and storing the data information to the local.
12. The data transmission apparatus according to claim 11, further comprising:
the second configuration module is used for configuring reading authority information for the data information;
the first transmitting module includes:
the first judging unit is used for judging whether the first mobile terminal has the reading authority of the first data information according to the reading authority information of the first data information;
if yes, feeding back the first data information to the first mobile terminal;
otherwise, a prompt that the first data information is not found is returned.
13. The data transmission apparatus according to claim 11, further comprising:
a third configuration module, configured to configure modification permission information for the data information, where the modification permission information is used to indicate a mobile terminal having modification permission, and identity information of the corresponding mobile terminal is recorded in the modification permission information;
the first obtaining module comprises:
a second judging unit, configured to judge whether the first mobile terminal device has a modification permission of the first data information according to the modification permission information of the first data information;
and if so, updating and storing the first data information to the local according to the modification of the first mobile terminal to the first data information.
14. The data transmission device according to claim 10, wherein the distance between the first mobile terminal and the first bluetooth bracelet is calculated according to a signal strength of a bluetooth broadcast signal received by the first mobile terminal and sent by the first bluetooth bracelet, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio，a))×rssiCorrection
wherein, ratio is rsi/measuredPower, rsi represents the signal intensity of the first bluetooth bracelet received by the first mobile terminal, and measuredPower represents the reference signal intensity of the bluetooth bracelet at a predetermined distance away from the bluetooth bracelet; distance represents the Distance between the first mobile terminal and the first Bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio，m)×rssiCorrection
wherein m represents a preset constant.
15. A data transmission apparatus, applied to a first mobile terminal, comprising:
the generating module is used for generating an inquiry request when detecting that the distance between the first Bluetooth bracelet to be inquired and the first Bluetooth bracelet is less than a preset threshold and lasts for a preset time, wherein the inquiry request carries first bracelet identification information of the first Bluetooth bracelet;
the second sending module is used for sending the query request to a server so that the server can obtain first data information corresponding to the first hand ring identification information according to the query request;
and the second receiving module is used for receiving a query result sent by the server, wherein the query result is sent by the server according to reading permission information which is pre-configured by the first data information, and the reading permission information is used for indicating a mobile terminal with reading permission and recording identity information of the corresponding mobile terminal.
16. The data transmission device according to claim 15, wherein the server stores data information corresponding to bracelet identification information of each bluetooth bracelet, and is configured with read permission information for the data information in advance;
the second receiving module includes:
the sending unit is used for reporting the first identity information of the sending unit to the server;
a receiving unit, configured to receive a query result sent by the server according to first identity information and read permission information of the first data information, where the first data information sent by the server is received when the first identity information is recorded in the read permission information of the first data information; otherwise, receiving a prompt which is issued by the server and is not searched for the first data information.
17. The data transmission device according to claim 16, wherein the server further configures modification authority information for the data information in advance, the modification authority information being used for indicating a mobile terminal having modification authority and recording identity information of the corresponding mobile terminal;
the data transmission apparatus further includes:
the third sending module is used for reporting the first identity information of the third sending module to the server;
the modification module is used for modifying the first data information according to the modification authority information of the first data information; and when the first identity information is recorded in the modification authority information, the server updates and stores the first identity information according to the modification of the first data information.
18. The data transmission device according to claim 15, wherein the distance to the first bluetooth bracelet is calculated according to the signal strength of the received bluetooth broadcast signal sent by the first bluetooth bracelet, and is specifically calculated according to the following formula:
when the ratio >1 is present,
Distance＝(c+b×Math.pow(ratio，a))×rssiCorrection
wherein, ratio is rsi/measured power, rsi represents the signal intensity of the first bluetooth bracelet, and measured power represents the reference signal intensity of the bluetooth bracelet at a predetermined distance from the bluetooth bracelet; distance represents the Distance from the first Bluetooth bracelet, a, b and c are preset constants, Math.pow is an exponentiation function, rsiCorrect represents an intermediate value,
wherein d, e, f and g represent preset constants, and Math.abs is a function for solving absolute values,shows pairs of Math.pow (Math.abs (rssi), d)3, remainder is obtained;
when the ratio is less than or equal to 1,
Distance＝Math.pow(ratio，m)×rssiCorrection
wherein m represents a preset constant.
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| CN107689946B (en) * | 2016-08-05 | 2020-04-17 | 李明 | Data communication method and data communication system |
| CN107688760B (en) * | 2016-08-05 | 2020-04-21 | 李明 | Data communication method and data communication system |
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| CN108206881A (en) * | 2016-12-19 | 2018-06-26 | 北京小米移动软件有限公司 | Mobile terminal reminding method, device and mobile terminal |
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