CN104754501A - Method and device for transmitting data - Google Patents

Abstract

The invention discloses a method and a device for transmitting data. The method includes receiving query requests transmitted from first mobile terminals; acquiring first data information corresponding to first bracelet identification information according to the query requests; transmitting a query result to each first mobile terminal according to preliminarily configured reading authority information of the first data information. The first bracelet identification information of to-be-queried first Bluetooth bracelets are carried in the query requests. The method and the device have the advantages that the first mobile terminals approach the to-be-queried Bluetooth bracelets, so that each query request can be generated by means of triggering, the first data information corresponding to the first Bluetooth bracelets is locally searched by a server according to the query requests, the data can be automatically and intelligently queried and transmitted, and each query result can be transmitted to the corresponding first mobile terminal by the server according to the reading authority information of the first data information.

Description

A kind of data transmission method and device

Technical field

The present invention relates to wireless communication field, particularly relate to a kind of data transmission method and device.

Background technology

Universal along with various intelligent terminal, the transfer of data between terminal and share also more and more frequent, such as: under the scenes such as station, airport, hospital and school.And data transmission method needs the step of user's Attended Operation more in prior art, often need user in two terminal room inquiry and redirects, increase the operation easier of transfer of data.

For the portable medical under the hospital's scene developed rapidly at present, portable medical is just becoming the focus of whole Mobile Communication Industry now, along with the fast development of information technology, domestic increasing hospital is just accelerating to implement the entirety construction based on informatization platform, Mobile medical system, to improve service level and the core competitiveness of hospital.The information-based operating efficiency not only improving doctor, makes doctor have the more time to be patient service, more improves patient satisfaction and degree of belief, establish the technical character playing hospital virtually.The medical system in the whole world all managing to utilize the mobility of radio network technique, flexibility and agility, making medical personnel more accurately, fast and efficiently obtain case information, formulates decision-making and take measures; More medical system is cooperated by network technology, makes patient obtain medical services more easily.

Therefore, how quick patient-relevant informa is accurately transferred to medical personnel, become a technical problem urgently to be resolved hurrily.

Summary of the invention

In order to solve the problems of the technologies described above, the invention provides a kind of data transmission method and device, achieve the fast transport of data, and ensure that the fail safe of transfer of data.

According to one aspect of the present invention, provide a kind of data transmission method, be applied to a server, comprise:

Receive the inquiry request that the first mobile terminal sends, the first bracelet identification information of the first bluetooth bracelet to be checked is carried in inquiry request, inquiry request is that the distance between the first mobile terminal and the first bluetooth bracelet is less than a predetermined threshold, and continue a scheduled time time trigger generate;

According to inquiry request, obtain the first data message corresponding to the first bracelet identification information;

According to the reading authority information that the first data message is pre-configured, send a Query Result to the first mobile terminal.

Further, according to inquiry request, before obtaining the step of the first data message corresponding to the first bracelet identification information, also comprise:

Configure the data message corresponding with the bracelet identification information of each bluetooth bracelet, and be saved to this locality.

Further, configure the data message corresponding with the bracelet identification information of each bluetooth bracelet, and after being saved to local step, also comprise:

For authority information is read in data message configuration, read authority information and be used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

According to the reading authority information that the first data message is pre-configured, the step sending a Query Result to the first mobile terminal comprises:

According to the reading authority information of the first data message, judge whether the first mobile terminal has the reading authority of the first data message;

If have, then the first data message is fed back to the first mobile terminal;

Otherwise, will the prompting not finding the first data message be returned.

Further, configure the data message corresponding with the bracelet identification information of each bluetooth bracelet, and after being saved to local step, also comprise:

For data message configuration modification authority information, power of amendment limit information is used to indicate the mobile terminal with amendment authority, wherein, records the identity information of corresponding mobile terminal in power of amendment limit information;

According to inquiry request, after obtaining the step of the first data message corresponding to the first bracelet identification information, also comprise:

According to the power of amendment limit information of the first data message, judge whether the first mobile terminal device has the amendment authority of the first data message;

If have, then according to the amendment of the first mobile terminal to the first data message, carry out upgrading and being saved to this locality.

Further, the distance between the first mobile terminal and the first bluetooth bracelet, the signal strength signal intensity calculating receiving the Bluetooth broadcast signal that the first bluetooth bracelet sends according to the first mobile terminal obtains, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent that the first mobile terminal receives the signal strength signal intensity of the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between the first mobile terminal and the first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

According to another aspect of the present invention, additionally provide a kind of data transmission method, be applied to the first mobile terminal, comprise:

Detect that the distance between the first bluetooth bracelet to be checked is less than a predetermined threshold, and when continuing a scheduled time, generate an inquiry request, wherein, in inquiry request, carry the first bracelet identification information of the first bluetooth bracelet;

Send inquiry request to server, obtain first data message corresponding with the first bracelet identification information to make server according to inquiry request;

The Query Result that reception server sends, wherein, Query Result is that server sends according to the reading authority information that the first data message is pre-configured.

Further, server preserves the data message corresponding with the bracelet identification information of each bluetooth bracelet, and in advance for data message is configured with reading authority information, read authority information and be used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

The step of the Query Result that reception server sends comprises:

The first identity information of self is reported to server;

The Query Result that reception server sends according to the reading authority information of the first identity information and the first data message, wherein, when the first identity information is recorded in the reading authority information of the first data message, the first data message that reception server issues; Otherwise, the prompting of what reception server issued do not find the first data message.

Further, server is also in advance for data message is configured with power of amendment limit information, and power of amendment limit information is used to indicate the mobile terminal the identity information recording corresponding mobile terminal with amendment authority;

Inquiry request is sent, to make after server obtains the step of the first data message corresponding with the first bracelet identification information according to inquiry request, also to comprise to server:

The first identity information of self is reported to server;

According to the power of amendment limit information of the first data message, the first data message is modified; Wherein, when the first identity information is recorded in power of amendment limit information, server is according to upgrading the amendment of the first data message and preserving.

Further, and the distance between the first bluetooth bracelet, calculate according to the signal strength signal intensity receiving the Bluetooth broadcast signal that the first bluetooth bracelet sends and obtain, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent the signal strength signal intensity receiving the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between the first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

According to another aspect of the invention, additionally provide a kind of data transmission device, be applied to a server, comprise:

First receiver module, for receiving the inquiry request that the first mobile terminal sends, the first bracelet identification information of the first bluetooth bracelet to be checked is carried in inquiry request, inquiry request is that the distance between the first mobile terminal and the first bluetooth bracelet is less than a predetermined threshold, and continue a scheduled time time trigger generate;

First acquisition module, for according to inquiry request, obtains the first data message corresponding to the first bracelet identification information;

First sending module, for according to the pre-configured reading authority information of the first data message, sends a Query Result to the first mobile terminal.

Further, data transmission device also comprises:

First configuration module, for configuring the data message corresponding with the bracelet identification information of each bluetooth bracelet, and is saved to this locality.

Further, this data transmission device also comprises:

Second configuration module, for reading authority information for data message configuration, reading authority information and being used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

First sending module comprises:

First judging unit, for the reading authority information according to the first data message, judges whether the first mobile terminal has the reading authority of the first data message;

If have, then the first data message is fed back to the first mobile terminal;

Otherwise, will the prompting not finding the first data message be returned.

Further, this data transmission device also comprises:

3rd configuration module, for being data message configuration modification authority information, power of amendment limit information is used to indicate the mobile terminal with amendment authority, wherein, records the identity information of corresponding mobile terminal in power of amendment limit information;

First acquisition module comprises:

Second judging unit, for the power of amendment limit information according to the first data message, judges whether the first mobile terminal device has the amendment authority of the first data message;

If have, then according to the amendment of the first mobile terminal to the first data message, carry out upgrading and being saved to this locality.

Further, the distance between the first mobile terminal and the first bluetooth bracelet, the signal strength signal intensity calculating receiving the Bluetooth broadcast signal that the first bluetooth bracelet sends according to the first mobile terminal obtains, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent that the first mobile terminal receives the signal strength signal intensity of the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between the first mobile terminal and the first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

According to another aspect of the present invention, also provide a kind of data transmission device, be applied to the first mobile terminal, comprise:

For working as, generation module, detects that the distance between the first bluetooth bracelet to be checked is less than a predetermined threshold, and when continuing a scheduled time, generates an inquiry request, wherein, carry the first bracelet identification information of the first bluetooth bracelet in inquiry request;

Second sending module, for sending inquiry request to server, obtains first data message corresponding with the first bracelet identification information to make server according to inquiry request;

Second receiver module, for the Query Result that reception server sends, wherein, Query Result is that server sends according to the reading authority information that the first data message is pre-configured.

Further, server preserves the data message corresponding with the bracelet identification information of each bluetooth bracelet, and in advance for data message is configured with reading authority information, read authority information and be used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

Second receiver module comprises:

Transmitting element, for reporting the first identity information of self to server;

Receiving element, for the Query Result that reception server sends according to the reading authority information of the first identity information and the first data message, wherein, when the first identity information is recorded in the reading authority information of the first data message, the first data message that reception server issues; Otherwise, the prompting of what reception server issued do not find the first data message.

Further, server is also in advance for data message is configured with power of amendment limit information, and power of amendment limit information is used to indicate the mobile terminal the identity information recording corresponding mobile terminal with amendment authority;

Data transmission device also comprises:

3rd sending module, for reporting the first identity information of self to server;

Modified module, for the power of amendment limit information according to the first data message, modifies to the first data message; Wherein, when the first identity information is recorded in power of amendment limit information, server is according to upgrading the amendment of the first data message and preserving.

Further, and the distance between the first bluetooth bracelet, calculate according to the signal strength signal intensity receiving the Bluetooth broadcast signal that the first bluetooth bracelet sends and obtain, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent the signal strength signal intensity receiving the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between the first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

The beneficial effect of embodiments of the invention is: a kind of data transmission method and device, first mobile terminal is by triggering generation one inquiry request near the first bluetooth bracelet to be checked, server end searches first data message corresponding with the first bluetooth bracelet according to this inquiry request in this locality, realize automation and the intellectuality of data query and transmission, server sends a Query Result according to the reading authority information of the first data message to the first mobile terminal.

Accompanying drawing explanation

Fig. 1 represents the server side flow chart of data transmission method of the present invention;

Fig. 2 represents the first mobile terminal side flow chart of data transmission method of the present invention;

Fig. 3 represents the server side module diagram of data transmission device of the present invention;

Fig. 4 represents the first mobile terminal side module diagram of data transmission device of the present invention.

Embodiment

Below with reference to accompanying drawings exemplary embodiment of the present invention is described in more detail.Although show exemplary embodiment of the present invention in accompanying drawing, however should be appreciated that can realize the present invention in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the present invention can be understood, and complete for scope of the present invention can be conveyed to those skilled in the art.

Embodiment

In real life scene, can run into the situation much needing transfer of data, such as, in school, teacher and the head of a family need the situation understanding student at any time, and in hospital, medical personnel and family numbers of patients need the situation etc. understanding patient at any time.The embodiment provides a kind of data transmission method, under can be used for the scenes such as daily life, company management and intelligent medical, below in conjunction with hospital's scene, the present invention is illustrated.

As shown in Figure 1, the data transmission method that the embodiment of the present invention provides, be applied to server end, the method comprises the following steps:

Step 10: receive the inquiry request that the first mobile terminal sends, carry the first bracelet identification information of the first bluetooth bracelet to be checked in inquiry request.

Here, the user of mobile terminal is the medical personnel of hospital or family numbers of patients normally, and wherein, mobile terminal can for supporting smart mobile phone or the panel computer of bluetooth 4.0 function.The inpatient of the user of bluetooth bracelet normally hospital, can be equipped with a corresponding bluetooth bracelet for it when patient's Admission formality, and set up the corresponding relation of this patient and bluetooth bracelet, wherein, bluetooth bracelet has unique bracelet identification information.This bracelet identification information comprises MAC Address or bracelet ID etc., wherein, in order to aspect input, can also be numbered as its identification information to bluetooth bracelet voluntarily, such as: four bytes after MAC Address are carried out hexadecimal and transfers the decimal system to, to facilitate personnel to represent, the MAC Address as bracelet is: 0xD03972A04339, namely 4339 to transfer the decimal system to be 17209, then 17209 as the unique ID of bracelet.When patient's registration for hospitalization, a bluetooth bracelet can be distributed for patient, and the information of bluetooth bracelet and this patient is bound.Wherein, bluetooth bracelet is used for periodic transmission Bluetooth broadcast signal, and wherein, the transmitting cycle can preset, and such as every 200ms launches once, and mobile terminal can receive this Bluetooth broadcast signal.

When needing the basic condition understanding patient, as: patient medical record or patient position etc., the first mobile terminal that certain section office doctor carries needs the first bluetooth bracelet worn near patient to be checked, distance between the first mobile terminal and the first bluetooth bracelet is less than a predetermined threshold, and when continuing a scheduled time, such as detect that the distance between the first mobile terminal and the first bluetooth bracelet is less than 20cm, and continue for 5s, generation one inquiry request can be triggered, after confirmation is submitted to, be sent to server end by the first mobile terminal.So just achieve and automatically trigger generated query request, and without the need to the loaded down with trivial details too much operating procedure of user, achieve automation and the intellectuality of transfer of data.

Further, can the initial power of Bluetooth signal that sends of pre-configured each bluetooth bracelet identical, the signal that such mobile terminal receives the Bluetooth broadcast signal that different bluetooth bracelet sends is strong and weak, usually can reflect the distance between mobile terminal from different bluetooth bracelet.Usual distance is nearer, signal strength signal intensity is stronger.Distance between first mobile terminal and the first bluetooth bracelet, can according to the first mobile terminal receive first bluetooth bracelet send Bluetooth broadcast signal signal strength signal intensity calculate obtain, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent that the first mobile terminal receives the signal strength signal intensity of the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between the first mobile terminal and the first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

It is worthy of note, the computational algorithm of the distance calculated between mobile terminal and bluetooth bracelet by the signal strength signal intensity of Bluetooth broadcast signal has multiple, above formula just wherein a kind of implementation.

Step 20: according to inquiry request, obtains the first data message corresponding to the first bracelet identification information.

Server is after receiving inquiry request, and the first bracelet identification information that can carry according to inquiry request, search first data message corresponding with it, usual first data message comprises: patient's personal information, case history, be in hospital bed label and current position etc.

Further, when patient's Admission formality, except distribute a bluetooth bracelet for patient except, also the essential information of patient is configured, that is, according to inquiry request, before obtaining the step of the first data message corresponding to the first bracelet identification information, the data message that also configuration is corresponding with the bracelet identification information of each bluetooth bracelet, and be saved to server end.Data message is the various information relevant to patient, such as: patient's personal information, case history, be in hospital bed label and current position etc.

Step 30: according to the reading authority information that the first data message is pre-configured, send a Query Result to the first mobile terminal.

Here, in order to ensure the fail safe of patient data information, server, when finding requested first data message, can resolve the reading authority information of the first data message, detect the first mobile terminal and whether there is reading authority, send Query Result according to analysis result to the first mobile terminal.

Further, each bluetooth bracelet of configuration data message corresponding to bracelet identification information and after being saved to local step, namely after the data message of each patient of initialization, also need to read authority information to the data message configuration of patient, read authority information and be used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority.Such as: at the data message end of patient, surgery data only binds the mobile terminal that surgical team doctor and nurse use, the medical record information etc. of such Surgical Inpatients, the doctor of surgical team and nurse is only allowed to check, and not allowing the medical personnel of gynemetrics to check, some non-hospital personnel more do not allow to check certainly.Like this, just fully ensure that the fail safe of patient-relevant informa and hospital's relevant information.

Like this, according to the reading authority information that the first data message is pre-configured, the step sending a Query Result to the first mobile terminal specifically comprises: according to the reading authority information of the first data message, judges whether the first mobile terminal has the reading authority of the first data message; If have, then the first data message is fed back to the first mobile terminal; Otherwise, will the prompting not finding the first data message be returned.That is, and if only if when the first mobile terminal has the reading authority of the first data message, and the first data message of correspondence just can be fed back to the first mobile terminal by server, otherwise will return the prompting not finding the first data message.

Further, in order to ensure real-time and the accuracy of data message, after configuring the data message corresponding with the bracelet identification information of each bluetooth bracelet and be saved to local step, also comprise: be data message configuration modification authority information, power of amendment limit information is used to indicate the mobile terminal with amendment authority, wherein, the identity information of corresponding mobile terminal is recorded in power of amendment limit information.Such as: at the data message end of patient, the mobile terminal having surgical team doctor to use only is bound in the power of amendment limit information of surgery data, and do not bind the mobile terminal that the nurse of surgical team, the medical personnel of other section office and family numbers of patients use, the medical record information etc. of such Surgical Inpatients, the doctor of surgical team is only allowed to modify or adjust, and not allowing other staff to revise, some non-hospital personnel more do not allow amendment certainly.Like this, when patient profiles changes, patient's latest development just can be increased in the data message of this patient by place section office doctor, realizes the renewal of data message; In addition, when finding that the data message of patient is wrong, place section office doctor also can correct.So just achieve the real-time of patient data information, integrality and accuracy, be conducive to the actual conditions grasping patient better, and provide optimum therapeutic scheme to it.

Wherein, when needs are modified to the first data message or upgrade, according to the power of amendment limit information of the first data message, judge whether the first mobile terminal device has the amendment authority of the first data message; If have, then according to the amendment of the first mobile terminal to the first data message, carry out upgrading and being saved to this locality.

According to another aspect of the embodiment of the present invention, additionally provide a kind of data transmission method, as shown in Figure 2, be applied to the first mobile terminal, comprise the following steps:

Step 11: when the distance detected between the first bluetooth bracelet to be checked is less than a predetermined threshold, generates an inquiry request, wherein, carry the first bracelet identification information of the first bluetooth bracelet in inquiry request.

Here, the user of mobile terminal is the medical personnel of hospital or family numbers of patients normally, the inpatient of the user of bluetooth bracelet normally hospital, a corresponding bluetooth bracelet can be equipped with for it when patient's Admission formality, and set up the corresponding relation of this patient and bluetooth bracelet, wherein, bluetooth bracelet has unique bracelet identification information.This bracelet identification information comprises MAC Address or bracelet ID etc., wherein, in order to aspect input, can also be numbered as its identification information to bluetooth bracelet voluntarily, such as: four bytes after MAC Address are carried out hexadecimal and transfers the decimal system to, to facilitate personnel to represent, the MAC Address as bracelet is: 0xD03972A04339, namely 4339 to transfer the decimal system to be 17209, then 17209 as the unique ID of bracelet.When patient's registration for hospitalization, a bluetooth bracelet can be distributed for patient, and the information of bluetooth bracelet and this patient is bound.Wherein, bluetooth bracelet is used for periodic transmission Bluetooth broadcast signal, and wherein, the transmitting cycle can preset, and such as every 200ms launches once, and mobile terminal can receive this Bluetooth broadcast signal.

When needing the basic condition understanding patient, as: patient medical record or patient position etc., the first mobile terminal that certain section office doctor carries needs the first bluetooth bracelet worn near patient to be checked, when distance between the first mobile terminal and the first bluetooth bracelet is less than a predetermined threshold, generation one inquiry request can be triggered, and be sent to server end by the first mobile terminal.So just achieve and automatically trigger generated query request, and without the need to the loaded down with trivial details too much operating procedure of user, achieve automation and the intellectuality of transfer of data.

Further, because distance is nearer, signal strength signal intensity is stronger.Distance between first mobile terminal and the first bluetooth bracelet, can according to the first mobile terminal receive first bluetooth bracelet send Bluetooth broadcast signal signal strength signal intensity calculate obtain, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent that the first mobile terminal receives the signal strength signal intensity of the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between the first mobile terminal and the first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

It is worthy of note, the computational algorithm of the distance calculated between mobile terminal and bluetooth bracelet by the signal strength signal intensity of Bluetooth broadcast signal has multiple, above formula just wherein a kind of implementation.

Step 21: send inquiry request to server, obtains first data message corresponding with the first bracelet identification information to make server according to inquiry request.

Further, server is also in advance for data message is configured with power of amendment limit information, and power of amendment limit information is used to indicate the mobile terminal the identity information recording corresponding mobile terminal with amendment authority.The mode that the configuration of concrete modification authority information can refer to above-mentioned introduction realizes, therefore does not repeat them here.

Further, send inquiry request to server, to make after server obtains the step of the first data message corresponding with the first bracelet identification information according to inquiry request, also to comprise: the first identity information reporting self to server; According to the power of amendment limit information of the first data message, the first data message is modified; Wherein, when the first identity information is recorded in power of amendment limit information, server is according to upgrading the amendment of the first data message and preserving.That is, the first mobile terminal that and if only if has an amendment authority just can be modified renewal to the first data message, and other-end cannot be edited the first data message and revise.

Step 31: the Query Result that reception server sends, wherein, Query Result is that server sends according to the reading authority information that the first data message is pre-configured.

Here, server preserves the data message corresponding with the bracelet identification information of each bluetooth bracelet, and in advance for data message is configured with reading authority information, read authority information and be used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority.

Further, the step of the Query Result of reception server transmission comprises: the first identity information reporting self to server; The Query Result that reception server sends according to the reading authority information of the first identity information and the first data message, wherein, when the first identity information is recorded in the reading authority information of the first data message, the first data message that reception server issues; Otherwise, the prompting of what reception server issued do not find the first data message.That is, when only having the first mobile terminal to have the reading authority of the first data message, the first data message just can be issued to the first mobile terminal by server, otherwise will return the prompting that do not find the first data message or return the lookup result searching failure.

In the data transmission method that the embodiment of the present invention provides, first mobile terminal is by triggering generation one inquiry request near the first bluetooth bracelet to be checked, server end searches first data message corresponding with the first bluetooth bracelet according to this inquiry request in this locality, realize automation and the intellectuality of data query and transmission, and then in order to ensure the fail safe of data query and transmission, server sends a Query Result according to the reading authority information of the first data message to the first mobile terminal.

According to another aspect of the embodiment of the present invention, as shown in Figure 3, additionally provide a kind of data transmission device, be applied to a server, comprise:

First receiver module, for receiving the inquiry request that the first mobile terminal sends, carry the first bracelet identification information of the first bluetooth bracelet to be checked in inquiry request, inquiry request is that the distance between the first mobile terminal and the first bluetooth bracelet triggers when being less than a predetermined threshold and generates;

First acquisition module, for according to inquiry request, obtains the first data message corresponding to the first bracelet identification information;

First sending module, for according to the pre-configured reading authority information of the first data message, sends a Query Result to the first mobile terminal.

Further, data transmission device also comprises:

First configuration module, for configuring the data message corresponding with the bracelet identification information of each bluetooth bracelet, and is saved to this locality.

Further, this data transmission device also comprises:

Second configuration module, for reading authority information for data message configuration, reading authority information and being used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

First sending module comprises:

First judging unit, for the reading authority information according to the first data message, judges whether the first mobile terminal has the reading authority of the first data message;

If have, then the first data message is fed back to the first mobile terminal;

Otherwise, will the prompting not finding the first data message be returned.

Further, this data transmission device also comprises:

3rd configuration module, for being data message configuration modification authority information, power of amendment limit information is used to indicate the mobile terminal with amendment authority, wherein, records the identity information of corresponding mobile terminal in power of amendment limit information;

First acquisition module comprises:

Second judging unit, for the power of amendment limit information according to the first data message, judges whether the first mobile terminal device has the amendment authority of the first data message;

If have, then according to the amendment of the first mobile terminal to the first data message, carry out upgrading and being saved to this locality.

Further, the distance between the first mobile terminal and the first bluetooth bracelet, the signal strength signal intensity calculating receiving the Bluetooth broadcast signal that the first bluetooth bracelet sends according to the first mobile terminal obtains, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent that the first mobile terminal receives the signal strength signal intensity of the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between the first mobile terminal and the first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

According to another aspect of the embodiment of the present invention, as shown in Figure 4, also provide a kind of data transmission device, be applied to the first mobile terminal, comprise:

Generation module, when being less than a predetermined threshold for the distance detected between the first bluetooth bracelet to be checked, generates an inquiry request, wherein, carries the first bracelet identification information of the first bluetooth bracelet in inquiry request;

Second sending module, for sending inquiry request to server, obtains first data message corresponding with the first bracelet identification information to make server according to inquiry request;

Second receiver module, for the Query Result that reception server sends, wherein, Query Result is that server sends according to the reading authority information that the first data message is pre-configured.

Further, server preserves the data message corresponding with the bracelet identification information of each bluetooth bracelet, and in advance for data message is configured with reading authority information, read authority information and be used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

Second receiver module comprises:

Transmitting element, for reporting the first identity information of self to server;

Receiving element, for the Query Result that reception server sends according to the reading authority information of the first identity information and the first data message, wherein, when the first identity information is recorded in the reading authority information of the first data message, the first data message that reception server issues; Otherwise, the prompting of what reception server issued do not find the first data message.

Further, server is also in advance for data message is configured with power of amendment limit information, and power of amendment limit information is used to indicate the mobile terminal the identity information recording corresponding mobile terminal with amendment authority;

Data transmission device also comprises:

3rd sending module, for reporting the first identity information of self to server;

Modified module, for the power of amendment limit information according to the first data message, modifies to the first data message; Wherein, when the first identity information is recorded in power of amendment limit information, server is according to upgrading the amendment of the first data message and preserving.

Further, and the distance between the first bluetooth bracelet, calculate according to the signal strength signal intensity receiving the Bluetooth broadcast signal that the first bluetooth bracelet sends and obtain, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent the signal strength signal intensity receiving the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between the first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

It should be noted that, this device is the device corresponding with above-mentioned data transmission method, and in said method embodiment, all implementations are all applicable in the embodiment of this device, also can reach identical technique effect.

Above-described is the preferred embodiment of the present invention; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite of the present invention, these improvements and modifications are also in protection scope of the present invention.

Claims (18)

1. a data transmission method, is applied to a server, it is characterized in that, comprising:

Receive the inquiry request that the first mobile terminal sends, the first bracelet identification information of the first bluetooth bracelet to be checked is carried in described inquiry request, described inquiry request is that the distance between described first mobile terminal and described first bluetooth bracelet is less than a predetermined threshold, and continue a scheduled time time trigger generate;

According to described inquiry request, obtain the first data message corresponding to described first bracelet identification information;

According to the reading authority information that described first data message is pre-configured, send a Query Result to described first mobile terminal.

2. data transmission method according to claim 1, is characterized in that, according to described inquiry request, before obtaining the step of the first data message corresponding to described first bracelet identification information, also comprises:

Configure the data message corresponding with the bracelet identification information of each bluetooth bracelet, and be saved to this locality.

3. data transmission method according to claim 2, is characterized in that, configures the data message corresponding with the bracelet identification information of each bluetooth bracelet, and after being saved to local step, also comprises:

For authority information is read in described data message configuration, described reading authority information is used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

According to the reading authority information that described first data message is pre-configured, the step sending a Query Result to described first mobile terminal comprises:

According to the reading authority information of described first data message, judge whether described first mobile terminal has the reading authority of the first data message;

If have, then described first data message is fed back to described first mobile terminal;

Otherwise, will the prompting not finding described first data message be returned.

4. data transmission method according to claim 2, is characterized in that, configures the data message corresponding with the bracelet identification information of each bluetooth bracelet, and after being saved to local step, also comprises:

For described data message configuration modification authority information, described power of amendment limit information is used to indicate the mobile terminal with amendment authority, wherein, records the identity information of corresponding mobile terminal in described power of amendment limit information;

Described according to described inquiry request, after obtaining the step of the first data message corresponding to described first bracelet identification information, also comprise:

According to the power of amendment limit information of described first data message, judge whether described first mobile terminal device has the amendment authority of the first data message;

If have, then according to the amendment of the first mobile terminal to described first data message, carry out upgrading and being saved to this locality.

5. data transmission method according to claim 1, it is characterized in that, distance between described first mobile terminal and described first bluetooth bracelet, the signal strength signal intensity calculating receiving the Bluetooth broadcast signal that described first bluetooth bracelet sends according to described first mobile terminal obtains, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent that the first mobile terminal receives the signal strength signal intensity of the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between described first mobile terminal and described first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

6. a data transmission method, is applied to the first mobile terminal, it is characterized in that, comprising:

Detect that the distance between the first bluetooth bracelet to be checked is less than a predetermined threshold, and when continuing a scheduled time, generate an inquiry request, wherein, in described inquiry request, carry the first bracelet identification information of described first bluetooth bracelet;

Send described inquiry request to server, obtain first data message corresponding with described first bracelet identification information to make described server according to described inquiry request;

Receive the Query Result that described server sends, wherein, described Query Result is that described server sends according to the reading authority information that described first data message is pre-configured.

7. data transmission method according to claim 6, it is characterized in that, described server preserves the data message corresponding with the bracelet identification information of each bluetooth bracelet, and being configured with reading authority information for described data message in advance, described reading authority information is used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

The step of the Query Result that the described server of described reception sends comprises:

The first identity information of self is reported to described server;

Receive the Query Result that described server sends according to the reading authority information of the first identity information and described first data message, wherein, when described first identity information is recorded in the reading authority information of described first data message, receive the first data message that described server issues; Otherwise, receive the prompting not finding described first data message that described server issues.

8. data transmission method according to claim 7, it is characterized in that, described server is also configured with power of amendment limit information for described data message in advance, and described power of amendment limit information is used to indicate the mobile terminal the identity information recording corresponding mobile terminal with amendment authority;

Described inquiry request is sent, to make after described server obtains the step of the first data message corresponding with described first bracelet identification information according to described inquiry request, also to comprise to server:

The first identity information of self is reported to described server;

According to the power of amendment limit information of described first data message, described first data message is modified; Wherein, when described first identity information is recorded in described power of amendment limit information, described server upgrades according to the amendment of described first data message and preserves.

9. data transmission method according to claim 6, is characterized in that, and the distance between described first bluetooth bracelet, calculates obtain, especially by following formulae discovery according to the signal strength signal intensity receiving the Bluetooth broadcast signal that described first bluetooth bracelet sends:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent the signal strength signal intensity receiving the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between described first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

10. a data transmission device, is applied to a server, it is characterized in that, comprising:

First receiver module, for receiving the inquiry request that the first mobile terminal sends, the first bracelet identification information of the first bluetooth bracelet to be checked is carried in described inquiry request, described inquiry request is that the distance between described first mobile terminal and described first bluetooth bracelet is less than a predetermined threshold, and continue a scheduled time time trigger generate;

First acquisition module, for according to described inquiry request, obtains the first data message corresponding to described first bracelet identification information;

First sending module, for according to the pre-configured reading authority information of described first data message, sends a Query Result to described first mobile terminal.

11. data transmission devices according to claim 10, is characterized in that, also comprise:

First configuration module, for configuring the data message corresponding with the bracelet identification information of each bluetooth bracelet and being saved to this locality.

12. data transmission devices according to claim 11, is characterized in that, also comprise:

Second configuration module, for reading authority information for described data message configuration, described reading authority information is used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

Described first sending module comprises:

First judging unit, for the reading authority information according to described first data message, judges whether described first mobile terminal has the reading authority of the first data message;

If have, then described first data message is fed back to described first mobile terminal;

Otherwise, will the prompting not finding described first data message be returned.

13. data transmission devices according to claim 11, is characterized in that, also comprise:

3rd configuration module, for being described data message configuration modification authority information, described power of amendment limit information is used to indicate the mobile terminal with amendment authority, wherein, records the identity information of corresponding mobile terminal in described power of amendment limit information;

Described first acquisition module comprises:

Second judging unit, for the power of amendment limit information according to described first data message, judges whether described first mobile terminal device has the amendment authority of the first data message;

If have, then according to the amendment of the first mobile terminal to described first data message, carry out upgrading and being saved to this locality.

14. data transmission devices according to claim 10, it is characterized in that, distance between described first mobile terminal and described first bluetooth bracelet, the signal strength signal intensity calculating receiving the Bluetooth broadcast signal that described first bluetooth bracelet sends according to described first mobile terminal obtains, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent that the first mobile terminal receives the signal strength signal intensity of the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between described first mobile terminal and described first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation;

When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.

15. 1 kinds of data transmission devices, are applied to the first mobile terminal, it is characterized in that, comprising:

Generation module, detect that the distance between the first bluetooth bracelet to be checked is less than a predetermined threshold for working as, and when continuing a scheduled time, generate an inquiry request, wherein, the first bracelet identification information of described first bluetooth bracelet is carried in described inquiry request;

Second sending module, for sending described inquiry request to server, obtains first data message corresponding with described first bracelet identification information to make described server according to described inquiry request;

Second receiver module, for receiving the Query Result that described server sends, wherein, described Query Result is that described server sends according to the reading authority information that described first data message is pre-configured.

16. data transmission devices according to claim 15, it is characterized in that, described server preserves the data message corresponding with the bracelet identification information of each bluetooth bracelet, and being configured with reading authority information for described data message in advance, described reading authority information is used to indicate the mobile terminal and the identity information recording corresponding mobile terminal that have and read authority;

Described second receiver module comprises:

Transmitting element, for reporting the first identity information of self to described server;

Receiving element, for receiving the Query Result that described server sends according to the reading authority information of the first identity information and described first data message, wherein, when described first identity information is recorded in the reading authority information of described first data message, receive the first data message that described server issues; Otherwise, receive the prompting not finding described first data message that described server issues.

17. data transmission devices according to claim 16, it is characterized in that, described server is also configured with power of amendment limit information for described data message in advance, and described power of amendment limit information is used to indicate the mobile terminal the identity information recording corresponding mobile terminal with amendment authority;

Described data transmission device also comprises:

3rd sending module, for reporting the first identity information of self to described server;

Modified module, for the power of amendment limit information according to described first data message, modifies to described first data message; Wherein, when described first identity information is recorded in described power of amendment limit information, described server upgrades according to the amendment of described first data message and preserves.

18. data transmission devices according to claim 15, it is characterized in that, and the distance between described first bluetooth bracelet, calculates according to the signal strength signal intensity receiving the Bluetooth broadcast signal that described first bluetooth bracelet sends and obtains, especially by following formulae discovery:

As ratio>1,

Distance＝(c+b×Math.pow(ratio,a))×rssiCorrection

Wherein, ratio=rssi/measuredPower, rssi represent the signal strength signal intensity receiving the first bluetooth bracelet, and measuredPower represents the reference signal strength of the bluetooth bracelet at distance bluetooth bracelet preset distance place; Distance represents the distance between described first bluetooth bracelet, and a, b and c are preset constant, and Math.pow is exponentiation function, and rssiCorrection represents a median,

$\mathrm{rssiCorrection}=g+\mathrm{Math}.\mathrm{pow}(\mathrm{Math}.\mathrm{abs}\left(\mathrm{rssi}\right),d)\%\frac{e}{f}$

Wherein, d, e, f and g represent preset constant, and Math.abs is ABS function, expression Math.pow (Math.abs (rssi), d) right complementation; When ratio≤1,

Distance＝Math.pow(ratio,m)×rssiCorrection

Wherein, m represents preset constant.