CN109936818B - Positioning method, positioning device and storage medium - Google Patents
Positioning method, positioning device and storage medium Download PDFInfo
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- CN109936818B CN109936818B CN201910357353.XA CN201910357353A CN109936818B CN 109936818 B CN109936818 B CN 109936818B CN 201910357353 A CN201910357353 A CN 201910357353A CN 109936818 B CN109936818 B CN 109936818B
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Abstract
The disclosure provides a positioning method, a positioning device and a storage medium, and relates to the technical field of communication. The method comprises the following steps: the method comprises the steps that the intelligent equipment receives a protocol switching instruction, wherein the protocol switching instruction is used for indicating that a current first protocol is switched to a second protocol; broadcasting an inquiry message for inquiring whether the mobile terminal is in a positioning state; judging whether the gateway is in a positioning state or not according to the response of the query message sent by the gateway receiving the query message, if so, maintaining the first protocol, and positioning by adopting the first protocol; and if the judgment result is negative, switching the first protocol into a second protocol. Among this technical scheme, the effectual positioning function that leads to because of the protocol switching is invalid of having avoided, especially in management modes such as wisdom campus, the effectual safety problem of avoiding leading to because of positioning function is invalid to and the unnecessary trouble and worry that bring for relevant personnel.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a positioning method, an apparatus, and a storage medium.
Background
With the continuous development of random science and technology, smart campuses are more and more widely known; in the management mode on wisdom campus, intelligent device, for example bracelet can be worn to every student, comes information such as record student's position, step number, rhythm of the heart and uploads to the server to ensure student's safety at the school, realize the intelligent management of student at the school state. The positions of students are recorded, and positioning is mainly achieved based on an RFID (Radio Frequency Identification) protocol.
Currently, on the basis of not increasing the size of the smart device, in order to enrich the application of the smart device, the smart device can support multiple protocols, and each protocol shares one transceiver; for example, the smart device supports both the RFID protocol and the BLE (English: Bluetooth Low Energy, Chinese: Bluetooth Low Energy) protocol; however, since each protocol shares one transceiver, the intelligent device can only operate one protocol at a time, so that an illegal person can stop the operation of the RFID protocol by operating the BLE protocol of the student intelligent device, so that the positioning function of the intelligent device is disabled, and at this time, a safety problem is easily caused because the student position data cannot be positioned; moreover, when the BLE protocol is run by the student due to misoperation, the intelligent device cannot upload the position data of the student, so that the parents and the school parties worry about the BLE protocol.
Disclosure of Invention
In view of this, the present disclosure provides a positioning method, an apparatus and a storage medium, which aim to avoid a failure of a positioning function of an intelligent device due to protocol switching.
In order to achieve the above object, a first aspect of the present disclosure provides a positioning method applied to an intelligent device, where the intelligent device supports a first protocol and a second protocol, and performs positioning using the first protocol, and the method includes:
receiving a protocol switching instruction, wherein the protocol switching instruction is used for indicating that a current first protocol is switched to a second protocol;
broadcasting an inquiry message for inquiring whether the mobile terminal is in a positioning state;
judging whether the gateway is in a positioning state or not according to the query message response sent by the gateway receiving the query message;
if the judgment result is yes, maintaining the first protocol, and positioning by adopting the first protocol;
and if the judgment result is negative, switching the first protocol into the second protocol.
In order to achieve the above object, a second aspect of the present disclosure provides a positioning method applied to a gateway, the method including:
receiving an inquiry message broadcasted by intelligent equipment, wherein the inquiry message carries attribute information of the intelligent equipment;
sending the attribute information to a positioning auxiliary device so that the positioning auxiliary device determines the distance between a gateway and the intelligent device according to the attribute information;
receiving the distance sent by the positioning auxiliary equipment, judging whether the intelligent equipment is in a positioning state or not according to the distance, and generating a query message response;
and sending the query message response to the intelligent equipment so that the intelligent equipment judges whether to switch the current first protocol into the second protocol according to the query message response, wherein the intelligent equipment adopts the first protocol for positioning.
In order to achieve the above object, a third aspect of the present disclosure provides a positioning apparatus applied to an intelligent device, the apparatus including:
the device comprises a receiving unit, a processing unit and a processing unit, wherein the receiving unit is used for receiving a protocol switching instruction, and the protocol switching instruction is used for indicating that a current first protocol is switched to a second protocol;
a broadcast unit, configured to broadcast an inquiry packet for inquiring whether the mobile terminal is in a location state;
the judging unit is used for judging whether the gateway is in a positioning state or not according to the response of the query message sent by the gateway receiving the query message;
the positioning unit is used for positioning by adopting the first protocol when the judgment result of the judging unit is yes;
and the switching unit is used for switching the first protocol to the second protocol when the judgment result of the judging unit is negative.
In order to achieve the above object, a fourth aspect of the present disclosure provides a positioning apparatus applied to a gateway, the apparatus including:
the receiving unit is used for receiving an inquiry message broadcasted by the intelligent equipment, wherein the inquiry message carries the current attribute information of the intelligent equipment;
a sending unit, configured to send the attribute information to a positioning assistance device, so that the positioning assistance device determines, according to the attribute information, a distance between each gateway and the smart device;
the receiving unit is further configured to receive the distance sent by the positioning assistance device;
the judging unit is used for judging whether the intelligent equipment is in a positioning state or not according to the distance;
the generating unit is used for generating query message response according to the judgment result of the judging unit;
the sending unit is further configured to send the query message response to the intelligent device, so that the intelligent device determines whether to switch the current first protocol to the second protocol according to the query message response, and the intelligent device performs positioning by using the first protocol.
To achieve the above object, a fifth aspect of the present disclosure provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method according to the first or second aspect of the present disclosure.
In the technical scheme of the invention, when the intelligent device supporting multiple protocols and having the positioning function receives a protocol switching instruction, the query message for querying whether the intelligent device is in the positioning state is broadcasted before executing the protocol switching operation so as to judge whether the intelligent device is in the positioning state currently, so that the positioning function failure caused by protocol switching is effectively avoided, and particularly in a management mode such as a smart campus and the like, the safety problem caused by the positioning function failure and unnecessary troubles and worry brought to related personnel are effectively avoided.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the disclosure. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of a positioning system according to some embodiments of the present disclosure;
FIG. 2 is a detailed diagram of a positioning system provided in some embodiments of the present disclosure;
fig. 3 is a flowchart of a positioning method applied to an intelligent device according to some embodiments of the present disclosure;
fig. 4 is a flowchart of a positioning method applied to a gateway according to some embodiments of the present disclosure;
fig. 5 is a flowchart of a positioning method applied to a positioning assistance device according to some embodiments of the present disclosure;
fig. 6 is a schematic diagram of a campus positioning area according to some embodiments of the present disclosure;
fig. 7 is a schematic structural diagram of a positioning apparatus applied to an intelligent device according to some embodiments of the present disclosure;
fig. 8 is a schematic structural diagram of a positioning apparatus applied to a gateway according to some embodiments of the present disclosure;
fig. 9 is a schematic structural diagram of a positioning device applied to a positioning aid according to some embodiments of the present disclosure.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may 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 disclosure to those skilled in the art.
Fig. 1 is a schematic structural diagram of a positioning system according to some embodiments of the present disclosure; as shown in fig. 1, the system includes: the system comprises an intelligent device, a positioning auxiliary device and at least one gateway;
the intelligent device can support a first protocol and a second protocol, and adopts the first protocol for positioning. For example, the smart device is a smart band, a smart card, etc., the first protocol is an RFID (Radio Frequency Identification, chinese) protocol, and the second protocol is a BLE (Bluetooth Low Energy, chinese) protocol. It should be noted that the first protocol and the second protocol are not limited to the above protocols, and may also be ZigBee (chinese: ZigBee) protocols, etc. The positioning auxiliary device may be an Access Point (AP) device, and may also be a server. The gateway is preferably an internet of things gateway, is in data communication with the intelligent equipment and the positioning auxiliary equipment, and can be set as required in actual application.
In some embodiments of the present disclosure, the smart device further has a step counting function, which records the number of moving steps of the user wearing the smart device in real time.
In some embodiments of the present disclosure, the smart device further has a GPS (Global Positioning System), which is capable of acquiring the location information of the location in real time.
In some embodiments of the present disclosure, the positioning system may further comprise: an Access Controller (AC), a Switch (SW), and the like, taking an intelligent device as an intelligent bracelet, a positioning auxiliary device as an AP, and three gateways as examples, a schematic structural diagram of the system is shown in fig. 2.
Based on the above system, embodiments of the positioning method provided by the present disclosure are described below with reference to the drawings.
Fig. 3 is a flowchart of a positioning method according to some embodiments of the present disclosure, which is applied to an intelligent device, and as shown in fig. 3, the positioning method includes:
step 101: receiving a protocol switching instruction, wherein the protocol switching instruction is used for indicating that a current first protocol is switched to a second protocol;
the intelligent device in the disclosure may include a human-computer interaction interface and/or a key for a user to operate, in an application scenario, the intelligent device is in a first protocol, and when a user wearing the intelligent device wants to switch the first protocol to a second protocol, the human-computer interaction interface and/or the key is operated, a protocol switching instruction is sent to the intelligent device, and the intelligent device receives the protocol switching instruction and executes the following operations.
Step 102: broadcasting an inquiry message for inquiring whether the mobile terminal is in a positioning state;
wherein the query message carries attribute information of the intelligent device; in some embodiments of the present disclosure, the attribute information includes signal strength, and correspondingly, when the gateway receives an inquiry packet broadcasted by the intelligent device, the signal strength carried in the inquiry packet is sent to the positioning auxiliary device, so that the positioning auxiliary device calculates a distance between the gateway and the intelligent device according to the signal strength, and the gateway determines whether the intelligent device is in a positioning state according to the distance sent by the positioning auxiliary device.
In other embodiments of the present disclosure, the attribute information includes location information; specifically, the intelligent device comprises a GPS system, and when the intelligent device receives a protocol switching instruction, the intelligent device obtains the position information of the intelligent device, generates an inquiry message carrying the position information, and broadcasts the inquiry message. Correspondingly, when the gateway receives the query message broadcasted by the intelligent device, the position information carried by the query message is sent to the positioning auxiliary device, so that the positioning auxiliary device calculates the distance between the intelligent device and the gateway according to the position information, and the gateway judges whether the intelligent device is in a positioning state or not according to the distance returned by the positioning auxiliary device.
Step 103: judging whether the gateway is in a positioning state according to the query message response sent by the gateway receiving the query message, if so, executing the step 104, otherwise, executing the step 105;
in some embodiments of the present disclosure, the determining whether the terminal is in the positioning state according to the query message response sent by the gateway in step 103 includes:
judging whether a query message response sent by a gateway is received within a first preset time length, wherein the gateway is the gateway receiving the query message; if yes, judging whether the mobile terminal is in a positioning state according to the response of the query message; if the judgment result is negative, the moving step number of the user in the first preset time length is obtained, and whether the user is in the positioning state is judged according to the obtained moving step number.
The first preset time period may be set as required in practical application, for example, 2 seconds. By judging whether the response of the query message sent by the gateway is received within the first preset time length, the phenomenon of long-time waiting caused by the reasons that the gateway does not exist in the environment or the current signal state is busy and the like is avoided.
Further, in some embodiments of the present disclosure, after broadcasting the query message for querying whether the location information is in the location state, the method includes: acquiring a first step counting value and starting timing;
correspondingly, acquiring the moving step number of the user in the first preset time duration includes: when the timing duration reaches a first preset duration, acquiring a second step counting value; and subtracting the first step counting value from the second step counting value to obtain the moving step number of the user in the first preset time length.
Further, determining whether the mobile terminal is in the positioning state according to the obtained moving steps includes: judging whether the obtained moving steps exceed a preset threshold value or not; if the judgment result is yes, determining that the mobile terminal is in a positioning state; if the judgment result is negative, the positioning state is not determined.
For example, the first preset duration is 2 seconds, the preset threshold is 5 steps, after the intelligent device broadcasts an inquiry message for inquiring whether the intelligent device is in the location state, the first step counting value is 5600, and when the time counting duration reaches 2 seconds and a response of the inquiry message sent by the gateway is not received, the second step counting value is 5607, the moving step number of the user in 2 seconds is 5607, and the intelligent device is determined to be in the location state when the moving step number exceeds the preset threshold and 5600.
Based on any of the above embodiments, in some embodiments of the present disclosure, a gateway closest to an intelligent device sends a query message response to the intelligent device; and the gateway closest to the intelligent equipment is determined by the positioning auxiliary equipment according to the attribute information of the intelligent equipment sent by the gateway.
Further, in some embodiments of the present disclosure, the query message response includes status information and range information; the state information is used for identifying whether the gateway starts positioning or not, and the range information is used for identifying whether the intelligent equipment is in a positioning range or not; correspondingly, the step 103 of determining whether the gateway is in the location state according to the query message response sent by the gateway receiving the query message includes:
reading state information and range information in the response of the query message;
judging whether the read state information is in an open state;
judging whether the read range information is in the positioning range;
and if the judgment results are yes, determining that the mobile terminal is in the positioning state, otherwise, determining that the mobile terminal is not in the positioning state.
It should be noted that the format of the query message response in the present disclosure is not specifically limited, and may be set in the actual application as needed; for example, the data in the first byte and the second byte from the left of the query message response represents status information, and the data in the third byte and the fourth byte from the left of the query message response represents range information; when the first byte and the second byte are 00, the gateway is indicated to be opened for positioning; when the first byte and the second byte are 11, the gateway is not opened for positioning; when the third byte and the fourth byte are 00, the intelligent device is not in the positioning range; when the third byte and the fourth byte are 11, it indicates that the smart device is within the positioning range.
In other embodiments of the present disclosure, the query message response may also only include location information used to indicate whether the intelligent device is in the location state, and correspondingly, the determining, in step 103, whether the intelligent device is in the location state according to the query message response sent by the gateway that receives the query message includes:
reading the positioning information in the response of the query message, judging whether the value of the positioning information is a preset value, if so, determining that the positioning information is in a positioning state, otherwise, determining that the positioning information is not in the positioning state;
for example, the preset value is 00, that is, when the value of the positioning information is 00, it indicates that the smart device is in the positioning state, and when the value of the positioning information is another value, such as 11, it indicates that the smart device is not in the positioning state.
In other embodiments of the present disclosure, each gateway that receives the query packet broadcast by the smart device sends a query packet response to the smart device. Correspondingly, the step 103 of determining whether the gateway is in the location state according to the query message response sent by the gateway receiving the query message includes:
and judging whether the query message response which indicates that the gateway is in the positioning state exists in the query message response sent by each gateway, if so, determining that the gateway is in the positioning state, and if not, determining that the gateway is not in the positioning state.
The format and the parsing manner of the query packet response may refer to the related description in the foregoing embodiments, and are not described herein again.
In the embodiment of the disclosure, when the intelligent device receives a protocol switching instruction, the intelligent device broadcasts an inquiry message for inquiring whether the intelligent device is in a positioning state, and judges whether the intelligent device is in the positioning state at present according to an inquiry message response sent by a gateway receiving the inquiry message, so that the problem of positioning function failure caused by protocol switching is effectively avoided, and particularly in management modes such as a smart campus and the like, the safety problem caused by positioning function failure and unnecessary troubles and worry brought to related personnel are effectively avoided.
In some embodiments of the present disclosure, when the determination result in step 103 is no, the method further includes: and displaying protocol switching failure information to prompt the user that the protocol switching fails.
Step 104: maintaining the first protocol, and positioning by adopting the first protocol;
step 105: the first protocol is switched to the second protocol.
Therefore, when the intelligent device supporting multiple protocols and having the positioning function receives a protocol switching instruction, the query message for querying whether the intelligent device is in the positioning state is broadcasted before the switching operation is executed, so that whether the intelligent device is in the positioning state at present is judged, the problem of positioning function failure caused by protocol switching is effectively avoided, particularly in a management mode such as a smart campus, the safety problem caused by positioning function failure is effectively avoided, and unnecessary troubles and worries are brought to related personnel.
Fig. 4 is a schematic flowchart of a positioning method provided in some embodiments of the present disclosure, applied to a gateway, as shown in fig. 4, where the positioning method includes:
step 201: receiving an inquiry message broadcasted by the intelligent equipment, wherein the inquiry message carries attribute information of the intelligent equipment;
step 202: sending attribute information to the positioning auxiliary equipment so that the positioning auxiliary equipment determines the distance between the gateway and the intelligent equipment according to the attribute information;
the positioning auxiliary device may be an AP device or a server.
In some embodiments of the present disclosure, the attribute information includes signal strength of the intelligent device, and after the positioning assistance device receives the signal strength, a corresponding distance is searched in a corresponding relationship between the signal strength and the distance, and the searched distance is sent to the gateway, so that the gateway determines whether the intelligent device is in a positioning state according to the distance.
In other embodiments of the present disclosure, the attribute information includes location information of the intelligent device, and when the location assistance device receives the location information, a distance between the intelligent device and the gateway is calculated according to the location information of the intelligent device and the location information of the gateway, and the calculated distance is sent to the gateway, so that the gateway determines whether the intelligent device is in a location state according to the distance. The location information of the gateway can be sent to the positioning auxiliary equipment for the gateway, and specifically, the gateway sends the location information of the intelligent equipment and the location information of the intelligent equipment to the positioning auxiliary equipment together; or the gateway sends the position information of the intelligent device and the position information of the gateway to the positioning auxiliary device respectively. The location information of the gateway may also be stored in the positioning auxiliary device in advance in correspondence with the device identifier of the gateway, specifically, the gateway sends the location information of the intelligent device and the device identifier of the gateway to the positioning auxiliary device, and the positioning auxiliary device searches for the corresponding location information according to the device identifier and calculates the distance between the intelligent device and the gateway according to the searched location information and the location information of the intelligent device.
Step 203: receiving the distance sent by the positioning auxiliary equipment, judging whether the intelligent equipment is in a positioning state or not according to the received distance, and generating a query message response;
in some embodiments of the present disclosure, determining whether the smart device is in the location state according to the received distance includes:
judging whether the positioning function of the mobile phone is in an opening state or not;
judging whether the received distance is within a positioning fixed range;
if the judgment result is yes, determining whether the intelligent equipment is in a positioning state; otherwise, the intelligent device is determined not to be in the positioning state.
Specifically, the on-off state of the self-positioning function is obtained, and state information is obtained; and judging whether the received distance is within a positioning range to obtain range information, and when the state information is that the positioning function is in an opening state and the range information is within the positioning range, determining whether the intelligent equipment is in a positioning state, otherwise, determining that the intelligent equipment is not in the positioning state.
In some embodiments of the present disclosure, the query message response is sent to the smart device only by the gateway closest to the smart device, wherein the gateway closest to the smart device is determined by the positioning assistance device based on the calculated distance.
In other embodiments of the present disclosure, each gateway that receives the query message sends a query message response to the intelligent device.
Based on any of the foregoing embodiments, the receiving, in step 203, the distance sent by the positioning assistance device, and determining whether the smart device is in a positioning state according to the received distance includes:
and judging whether the distance sent by the positioning auxiliary equipment is received within a second preset time length, and judging whether the intelligent equipment is in a positioning state according to the distance when the judgment result is yes.
The second preset time period can be set automatically according to needs in practical application, for example, 1.5 seconds; and the gateway receiving the distance sent by the positioning auxiliary equipment is the gateway closest to the intelligent equipment.
It should be noted that, when each gateway receiving the query message sends the query message response to the intelligent device, the gateway may determine the distance between the gateway and the intelligent device according to the attribute information in the query message without sending the attribute information to the positioning auxiliary device.
In some embodiments of the present disclosure, the generating the query message response in step 203 includes: and generating a query message response comprising state information and range information, wherein the state information is used for identifying whether the gateway is started for positioning, and the range information is used for identifying whether the intelligent equipment is in a positioning range.
It should be noted that the format of the query message response in the present disclosure is not specifically limited, and may be set in the actual application as needed; for example, the data in the first byte and the second byte from the left of the query message response represents status information, and the data in the third byte and the fourth byte from the left of the query message response represents range information; when the first byte and the second byte are 00, the gateway is indicated to be opened for positioning; when the first byte and the second byte are 11, the gateway is not opened for positioning; when the third byte and the fourth byte are 00, the intelligent device is not in the positioning range; when the third byte and the fourth byte are 11, it indicates that the smart device is within the positioning range.
In other embodiments of the present disclosure, the generating the query message response in step 203 includes: generating query message response according to the positioning information of whether the intelligent equipment is in a positioning state;
for example, when the smart device is in the location state, the value of the location information is 00, and when the smart device is not in the location state, the value of the location information is 11.
Step 204: and sending a query message response to the intelligent equipment so that the intelligent equipment judges whether to switch the current first protocol into the second protocol according to the query message response, and the intelligent equipment adopts the first protocol for positioning.
Therefore, when the gateway receives the query message sent by the intelligent equipment, whether the intelligent equipment is in a positioning state or not is judged, and the query message is sent to respond to the intelligent equipment, so that the failure of the positioning function of the intelligent equipment caused by protocol switching is effectively avoided, especially in management modes such as a smart campus and the like, the safety problem caused by the failure of the positioning function is effectively avoided, and unnecessary troubles and worry are brought to relevant personnel.
Fig. 5 is a positioning method applied to a positioning assistance device according to some embodiments of the present disclosure, as shown in fig. 5, the positioning method includes the following steps:
step 301: receiving attribute information sent by at least one gateway, wherein the attribute information is carried by an inquiry message which is broadcasted by the intelligent equipment and used for inquiring whether the intelligent equipment is in a positioning state;
step 302: determining the distance between each gateway and the intelligent equipment according to the attribute information;
in some embodiments of the present disclosure, the attribute information includes signal strength, and step 302 includes:
and determining the distance between each gateway and the intelligent equipment according to the signal strength and the corresponding relation between the signal strength and the distance.
In other embodiments of the present disclosure, the attribute information includes location information, and step 302 includes: and calculating the distance between each gateway and the intelligent equipment according to the position information of the intelligent equipment and the position information of each gateway.
Specifically, the positioning auxiliary device receives the position information of the intelligent device and the position information of the gateway sent by the gateway, and calculates the distance between the intelligent device and the gateway according to the position information of the intelligent device and the position information of the gateway. The location information of the gateway may also be stored in the positioning assistance device in advance with the device identifier of the gateway, and specifically, the positioning assistance device receives the location information of the intelligent device and the device identifier of the gateway sent by the gateway, acquires the location information of the gateway according to the device identifier, and calculates the distance between the intelligent device and the gateway according to the location information of the intelligent device and the acquired location information of the gateway.
Step 303: and sending the calculated distance to the gateway so that the gateway judges whether the intelligent equipment is in a positioning state or not according to the distance.
In some embodiments of the present disclosure, step 303 comprises:
and selecting a minimum distance from the calculated distances, and sending the minimum distance to the gateway corresponding to the minimum distance, so that the gateway corresponding to the minimum distance judges whether the intelligent equipment is in a positioning state or not according to the minimum distance.
In other embodiments of the present disclosure, step 303 comprises:
and sending the distance between the gateway and the intelligent equipment to each gateway so that each gateway judges whether the intelligent equipment is in a positioning state or not according to the received distance.
Therefore, when the positioning auxiliary equipment receives the attribute information of the intelligent equipment sent by the gateway, the distance between the gateway and the intelligent equipment is calculated and sent to the gateway, so that the gateway can judge whether the intelligent equipment is in a positioning state or not according to the distance and return an inquiry message to respond to the intelligent equipment, the failure of the positioning function of the intelligent equipment caused by protocol switching is effectively avoided, particularly in a management mode such as a smart campus, the safety problem caused by the failure of the positioning function is effectively avoided, and unnecessary troubles and worry are brought to related personnel.
In this embodiment, taking attribute information of the intelligent device as signal strength, a plurality of gateways exist around the intelligent device, and a gateway closest to the intelligent device sends a query message response to the intelligent device, as an example, the positioning method includes:
step 1: the method comprises the steps that the intelligent equipment receives a protocol switching instruction, wherein the protocol switching instruction is used for indicating that a current first protocol is switched to a second protocol;
step 2: the intelligent equipment broadcasts an inquiry message for inquiring whether the intelligent equipment is in a positioning state, acquires a current first step counting value, starts timing and executes the step 7;
and step 3: at least one gateway receives the query message broadcasted by the intelligent equipment, sends the signal intensity of the intelligent equipment carried by the query message to the positioning auxiliary equipment, and executes the step 6;
and 4, step 4: the positioning auxiliary equipment receives the signal intensity sent by each gateway, and calculates the distance between each gateway and the intelligent equipment according to the received signal intensity;
and 5: the positioning auxiliary equipment searches for the minimum distance in the calculated distances and sends the minimum distance to the corresponding gateway;
step 6: each gateway judges whether the distance sent by the positioning auxiliary equipment is received within a second preset time length, judges whether the intelligent equipment is in a positioning state according to the received distance and the on-off state of the self-positioning function when the distance sent by the positioning auxiliary equipment is received, generates a query message response, and sends the query message response to the intelligent equipment;
and 7: the intelligent equipment judges whether a query message response sent by the gateway is received within a first preset time length, if so, step 8 is executed, otherwise, step 9 is executed;
and 8: judging whether the mobile terminal is in a positioning state according to the received query message response, if so, executing a step 10, otherwise, executing a step 11;
and step 9: obtaining a second step counting value, subtracting the first step counting value from the second step counting value to obtain the moving step number of the user in a first preset time length, judging whether the user is in a positioning state or not according to the moving step number, if so, executing the step 10, otherwise, executing the step 11;
step 10: maintaining the first protocol, and positioning by adopting the first protocol;
step 11: the first protocol is switched to the second protocol.
For example, as shown in the schematic diagram of the campus positioning area in fig. 6, a gateway 1, a gateway 2 and a gateway 3 are provided at the gate of a campus, when the intelligent equipment receives a protocol switching instruction from a user, sending an inquiry message to the gateway 1, the gateway 2 and the gateway 3, respectively sending the signal strength of the intelligent equipment carried in the inquiry message to the positioning auxiliary equipment by the gateway 1, calculating the distance between the gateway 1 and the intelligent equipment to be 15 meters by the positioning auxiliary equipment according to the signal strength sent by the gateway 1, calculating the distance between the gateway 2 and the intelligent equipment to be 30 meters by the positioning auxiliary equipment according to the signal strength sent by the gateway 2, calculating the distance between the gateway 3 and the intelligent equipment to be 50 meters by the positioning auxiliary equipment according to the signal strength sent by the gateway 3, and sending the distance between the gateway 1 and the intelligent equipment to the gateway 1 to be 15 meters; the gateway 2 and the gateway 3 are ended when judging that the distance sent by the positioning auxiliary equipment is not received within 1.5 seconds; after receiving the distance sent by the positioning auxiliary equipment, the gateway 1 judges that 15 meters are within 20 meters of the positioning range of the gateway 1, and when the gateway 1 judges that the positioning function of the gateway is in an open state, sends an inquiry message response that the intelligent equipment is in a positioning state to the intelligent equipment, and after receiving the inquiry message response, the intelligent equipment maintains a first protocol and adopts the first protocol for positioning.
The above is a positioning method provided in the embodiments of the present disclosure, and corresponding to the above method, the present disclosure also provides a positioning apparatus, and since an implementation scheme for solving the problem of the apparatus is similar to the above method, corresponding contents to the method part may refer to the detailed description of the above method embodiments, and are not repeated in the following. It is understood that the apparatus provided by the present disclosure may include a unit or a module capable of executing each step of the above method examples, and the unit or the module may be implemented by hardware, software or a combination of hardware and software, and the present invention is not limited thereto. This is described in detail below with reference to fig. 7 to 9.
Specifically, fig. 7 is a schematic structural diagram of a positioning apparatus provided in some embodiments of the present disclosure, which is applied to an intelligent device, and as shown in fig. 7, the positioning apparatus 300 includes:
a receiving unit 301, configured to receive a protocol switching instruction, where the protocol switching instruction is used to instruct to switch a current first protocol to a second protocol;
a broadcasting unit 302, configured to broadcast an inquiry packet for inquiring whether the mobile terminal is in a location state;
a judging unit 303, configured to judge whether the gateway is in a location state according to a query message response sent by the gateway that receives the query message;
a positioning unit 304, configured to perform positioning by using a first protocol when the determination result of the determining unit 303 is yes;
a switching unit 305, configured to switch the first protocol to the second protocol when the determination result of the determining unit 303 is no.
In some embodiments of the present disclosure, the smart device has a step-counting function; the receiving unit 301 is further configured to receive a query message response sent by the gateway; the judgment unit 303 includes:
a first determining subunit, configured to determine whether the receiving unit 301 receives a query message response sent by a gateway within a first preset time period, where the gateway is a gateway that receives the query message;
the second judging subunit is used for judging whether the gateway is in a positioning state or not according to the response of the query message sent by the gateway when the judging result of the first judging subunit is yes;
the obtaining subunit is used for obtaining the moving step number of the user within a first preset time length when the judgment result of the first judging subunit is negative;
and the third judging subunit is used for judging whether the positioning state is achieved according to the moving steps acquired by the acquiring subunit.
In some embodiments of the present disclosure, the positioning device 300 further comprises:
a timing unit, configured to start timing after the broadcast unit 302 broadcasts an inquiry packet for inquiring whether the mobile terminal is in a location state;
the acquisition subunit is specifically configured to:
after the broadcast unit 302 broadcasts an inquiry message for inquiring whether the mobile terminal is in a positioning state, acquiring a first step counting value;
when the timing duration of the timing unit reaches a first preset duration, acquiring a second step counting value;
and subtracting the first step counting value from the second step counting value to obtain the moving step number of the user in the first preset time length.
In some embodiments of the present disclosure, the third determining subunit is specifically configured to:
judging whether the moving steps exceed a preset threshold value or not;
if the judgment result is yes, determining that the mobile terminal is in a positioning state;
if the judgment result is negative, the positioning state is not determined.
Fig. 8 is a positioning apparatus according to some embodiments of the present disclosure, which is applied to a gateway, and as shown in fig. 8, the positioning apparatus 400 includes:
a receiving unit 401, configured to receive an inquiry packet broadcasted by an intelligent device, where the inquiry packet carries attribute information of the intelligent device;
a sending unit 402, configured to send attribute information of the intelligent device to the positioning assistance device, so that the positioning assistance device determines a distance between the gateway and the intelligent device according to the attribute information of the intelligent device;
a receiving unit 401, configured to receive a distance sent by the positioning assistance device;
a judging unit 403, configured to judge whether the smart device is in a location state according to the received distance;
a generating unit 404, configured to generate a query message response according to the determination result of the determining unit 403;
the sending unit 402 is further configured to send a query message response to the intelligent device, so that the intelligent device determines whether to switch the current first protocol to the second protocol according to the query message response, and the intelligent device performs positioning by using the first protocol.
In some embodiments of the present disclosure, the determining unit 403 is specifically configured to:
judging whether the positioning function of the mobile phone is in an opening state or not;
judging whether the distance is within a positioning fixed range;
if the judgment result is yes, determining whether the intelligent equipment is in a positioning state; otherwise, determining that the intelligent equipment is not in a positioning state.
In some embodiments of the present disclosure, the positioning device 400 is further configured to:
and judging whether the distance sent by the positioning auxiliary equipment is received within a second preset time length, and judging whether the intelligent equipment is in a positioning state according to the received distance when the judgment result is yes.
Fig. 9 is a positioning apparatus for positioning assistance devices according to some embodiments of the present disclosure, as shown in fig. 9, the positioning apparatus 500 includes:
a receiving unit 501, configured to receive attribute information sent by at least one gateway, where the attribute information is carried by an inquiry packet broadcasted by an intelligent device and used for inquiring whether the intelligent device is in a location state;
a determining unit 502, configured to determine, according to the attribute information, a distance between each gateway and the intelligent device;
a sending unit 503, configured to send the determined distance to the gateway, so that the gateway determines whether the intelligent device is in a location state according to the distance.
In some embodiments of the present disclosure, the attribute information includes signal strength, and the determining unit 502 is specifically configured to:
and determining the distance between each gateway and the intelligent equipment according to the signal strength and the corresponding relation between the signal strength and the distance.
In some embodiments of the present disclosure, the attribute information includes location information, and the determining unit 502 is specifically configured to:
and calculating the distance between each gateway and the intelligent equipment according to the position information of the intelligent equipment and the position information of each gateway.
In some embodiments of the present disclosure, the sending unit 503 is specifically configured to:
the minimum distance is selected from the distances determined by the determining unit 502, and the minimum distance is sent to the gateway corresponding to the minimum distance, so that the gateway corresponding to the minimum distance determines whether the intelligent device is in the location state according to the minimum distance.
In other embodiments of the present disclosure, the sending unit 503 is specifically configured to:
and sending the distance between the gateway and the intelligent equipment to each gateway so that each gateway judges whether the intelligent equipment is in a positioning state or not according to the received distance.
The positioning device provided by the embodiment of the disclosure has the same effect as the positioning method provided by the foregoing embodiment, based on the same inventive concept.
In order to implement the foregoing embodiment, an embodiment of the present disclosure further provides an intelligent device, where the intelligent device 600 includes: a memory 601 and a processor 603 coupled to the memory 601 via a bus 602;
the memory 601 stores thereon a computer program, and when the computer program is executed by the processor 603, the positioning method applied to the smart device provided in any of the foregoing embodiments is implemented.
In order to implement the foregoing embodiment, an embodiment of the present disclosure further provides a gateway, where the gateway 700 includes: a memory 701 and a processor 703 connected to the memory 701 by a bus 702;
the memory 701 stores a computer program, and when the computer program is executed by the processor 703, the positioning method applied to the gateway provided in any of the foregoing embodiments is implemented.
In order to implement the foregoing embodiment, an embodiment of the present disclosure further provides a positioning assistance device, where the positioning assistance device 800 includes: a memory 801 and a processor 803 coupled to the memory 801 via a bus 802;
the memory 801 stores thereon a computer program, which when executed by the processor 803 implements the positioning method applied to the positioning assistance device provided in any of the foregoing embodiments.
To achieve the foregoing embodiments, an embodiment of the present disclosure further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements the positioning method applied to the smart device, or the positioning method applied to the gateway, or the positioning method applied to the positioning assistance device, provided in any of the foregoing embodiments.
It should be noted that:
the embodiments in the disclosure are described in a related manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
A machine-readable storage medium may be any electronic, magnetic, optical, or other physical storage device that can contain or store information such as executable instructions, data, and so forth. For example, the machine-readable storage medium may be: a RAM (random access Memory), a volatile Memory, a non-volatile Memory, a flash Memory, a storage drive (e.g., a hard drive), a solid state drive, any type of storage disk (e.g., an optical disk, a dvd, etc.), or similar storage medium, or a combination thereof.
The system, module or unit illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. A typical implementation device is a computer, which may be embodied in the form of a personal computer, laptop computer, personal digital assistant, tablet computer, wearable device, or a combination of any of these devices.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the various elements may be implemented in the same one or more software and/or hardware implementations in practicing the disclosure.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, apparatus (system), or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the disclosed embodiments may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus, systems and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Furthermore, these computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Furthermore, the terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein is meant to encompass any and all possible combinations of one or more of the associated listed items. It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information can also be referred to as second information, and similarly, second information can also be referred to as first information, depending on the context, without departing from the scope of the disclosure. Further, the word "if" as used may be interpreted as "at … …," or "when … …," or "in response to a determination.
The above description is only for the preferred embodiment of the present disclosure, but the scope of the present disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (10)
1. A positioning method is applied to an intelligent device, the intelligent device supports a first protocol and a second protocol, and positioning is carried out by adopting the first protocol, and the method comprises the following steps:
receiving a protocol switching instruction, wherein the protocol switching instruction is used for indicating that a current first protocol is switched to a second protocol;
broadcasting an inquiry message, wherein the inquiry message is used for indicating a gateway receiving the inquiry message to inquire whether the intelligent equipment is in a positioning state;
judging whether the gateway is in a positioning state or not according to the query message response sent by the gateway receiving the query message;
if the judgment result is yes, maintaining the first protocol, and positioning by adopting the first protocol;
and if the judgment result is negative, switching the first protocol into the second protocol.
2. The method of claim 1, wherein the determining whether the gateway is in the location state according to the query message response sent by the gateway receiving the query message comprises:
judging whether a query message response sent by a gateway is received within a first preset time length, wherein the gateway is the gateway receiving the query message;
if yes, judging whether the mobile terminal is in a positioning state according to the response of the query message;
if not, acquiring the moving steps of the user within the first preset time length, and judging whether the user is in a positioning state according to the moving steps.
3. The method of claim 2, wherein after broadcasting the query message for querying whether the query message is in the location state, further comprising: acquiring a first step counting value and starting timing;
the acquiring the number of moving steps of the user within the first preset time duration includes:
when the timing duration reaches the first preset duration, acquiring a second step counting value;
and subtracting the first step counting value from the second step counting value to obtain the moving step number of the user in the first preset time length.
4. The method of claim 2, wherein the determining whether the mobile terminal is in the positioning state according to the number of moving steps comprises:
judging whether the moving steps exceed a preset threshold value or not;
if the judgment result is yes, determining that the mobile terminal is in a positioning state;
if the judgment result is negative, the positioning state is not determined.
5. A positioning method applied to a gateway, the method comprising:
receiving an inquiry message broadcasted by intelligent equipment, wherein the inquiry message carries attribute information of the intelligent equipment;
sending the attribute information to a positioning auxiliary device so that the positioning auxiliary device determines the distance between a gateway and the intelligent device according to the attribute information;
receiving the distance sent by the positioning auxiliary equipment, judging whether the intelligent equipment is in a positioning state or not according to the distance, and generating a query message response;
and sending the query message response to the intelligent equipment so that the intelligent equipment judges whether the intelligent equipment is in a positioning state or not according to the query message response, if so, maintaining the first protocol, otherwise, switching the current first protocol to the second protocol, and positioning by adopting the first protocol by the intelligent equipment.
6. The method of claim 5, wherein the determining whether the smart device is in a location state according to the distance comprises:
judging whether the positioning function of the mobile phone is in an opening state or not;
judging whether the distance is within a positioning range;
if the judgment result is yes, determining that the intelligent equipment is in a positioning state; otherwise, determining that the intelligent equipment is not in a positioning state.
7. The method according to claim 5 or 6, wherein the receiving the distance sent by the positioning assistance device, and determining whether the smart device is in a positioning state according to the distance comprises:
and judging whether the distance sent by the positioning auxiliary equipment is received within a second preset time length, and judging whether the intelligent equipment is in a positioning state according to the distance when the judgment result is yes.
8. A positioning device, which is applied to intelligent equipment, the device comprises:
the device comprises a receiving unit, a processing unit and a processing unit, wherein the receiving unit is used for receiving a protocol switching instruction, and the protocol switching instruction is used for indicating that a current first protocol is switched to a second protocol;
a broadcasting unit, configured to broadcast an inquiry packet, where the inquiry packet is used to indicate a gateway receiving the inquiry packet to inquire whether the intelligent device is in a location state;
the judging unit is used for judging whether the gateway is in a positioning state or not according to the response of the query message sent by the gateway receiving the query message;
the positioning unit is used for positioning by adopting the first protocol when the judgment result of the judging unit is yes;
and the switching unit is used for switching the first protocol to the second protocol when the judgment result of the judging unit is negative.
9. A positioning apparatus, applied to a gateway, the apparatus comprising:
the device comprises a receiving unit, a sending unit and a receiving unit, wherein the receiving unit is used for receiving an inquiry message broadcasted by the intelligent equipment, and the inquiry message carries attribute information of the intelligent equipment;
a sending unit, configured to send the attribute information to a positioning assistance device, so that the positioning assistance device determines, according to the attribute information, a distance between a gateway and the smart device;
the receiving unit is further configured to receive the distance sent by the positioning assistance device;
the judging unit is used for judging whether the intelligent equipment is in a positioning state or not according to the distance;
the generating unit is used for generating query message response according to the judgment result of the judging unit;
the sending unit is further configured to send the query message response to the intelligent device, so that the intelligent device determines whether the intelligent device is in a positioning state according to the query message response, if so, the first protocol is maintained, if not, the current first protocol is switched to the second protocol, and the intelligent device performs positioning by using the first protocol.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1-4 or 5-7.
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| CN110446257B (en) * | 2019-08-21 | 2021-09-28 | 惠州Tcl移动通信有限公司 | Positioning method and positioning device based on mobile terminal |
| CN114705809B (en) * | 2022-02-21 | 2024-10-01 | 深圳绿米联创科技有限公司 | Detection module control method and device and electronic equipment |
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Effective date of registration: 20230630 Address after: 310052 11th Floor, 466 Changhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: H3C INFORMATION TECHNOLOGY Co.,Ltd. Address before: 310052 Changhe Road, Binjiang District, Hangzhou, Zhejiang Province, No. 466 Patentee before: NEW H3C TECHNOLOGIES Co.,Ltd. |