CN113207084A - Method and device for searching terminal, storage medium and electronic equipment - Google Patents
Method and device for searching terminal, storage medium and electronic equipment Download PDFInfo
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- CN113207084A CN113207084A CN202110414335.8A CN202110414335A CN113207084A CN 113207084 A CN113207084 A CN 113207084A CN 202110414335 A CN202110414335 A CN 202110414335A CN 113207084 A CN113207084 A CN 113207084A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The disclosure relates to a method, a device, a storage medium and an electronic device for searching a terminal, wherein the method comprises the following steps: transmitting a beacon request message; under the condition that a target terminal receives the beacon request message, receiving a beacon signal broadcasted by the target terminal according to the beacon request message; and after receiving the beacon signal broadcast by the target terminal, determining the position of the target terminal according to the beacon signal.
Description
Technical Field
The present disclosure relates to the field of communications, and in particular, to a method and an apparatus for searching for a terminal, a storage medium, and an electronic device.
Background
The internet of things terminal is terminal equipment for information interaction by using an internet of things NBIoT technology and the internet, is widely applied to shared bicycles in city streets and intelligent water meters in underground pipe networks and the like, and has the characteristics of wide deployment, massive connection and unattended operation. With the increase of the number of the terminals of the internet of things, more time and energy are needed to find the corresponding terminals of the internet of things in the maintenance or use process. Especially, when the internet of things terminal to be searched has poor network connection and is not equipped with a global positioning system GPS positioning module, or a GPS positioning signal is not enough to complete positioning, or the internet of things terminal to be searched is damaged by an identified identifier, it is often difficult to identify and position the internet of things terminal.
In the prior art, a near field communication module is generally installed on an internet of things terminal, near field communication is established between the internet of things terminal and a search terminal, and the distance between the internet of things terminal and the search terminal is judged according to the strength of a near field communication transmission signal, so that the internet of things terminal can be positioned, and the internet of things terminal to be inquired can be searched.
But adopt the mode of installation near field communication module, judge the distance far and near of distance through the power of signal, when there is city shelter from the thing, can influence the transmission quality of transmission signal, lead to apart from judging the precision poor to the distance that obtains through prior art is single-dimensionality only, thereby can't accurately seek thing networking terminal.
Disclosure of Invention
The purpose of the disclosure is to provide a method, a device, a storage medium and an electronic device for finding a terminal.
In a first aspect, the present disclosure provides a method for searching a terminal, which is applied to search a terminal, and includes: transmitting a beacon request message; under the condition that a target terminal receives the beacon request message, receiving a beacon signal broadcasted by the target terminal according to the beacon request message; and after receiving the beacon signal broadcast by the target terminal, determining the position of the target terminal according to the beacon signal.
Optionally, the beacon request message includes a beacon signal request instruction, where the beacon signal request instruction is used to request the target terminal to transmit the beacon signal, and the transmitting the beacon request message includes: and under the condition that the network connection with the target terminal is normal, periodically sending the beacon signal request instruction to the target terminal.
Optionally, the beacon signal request instruction includes a signal transmission power instructing the target terminal to broadcast the beacon signal, and a time interval instructing the target terminal to broadcast the beacon signal, and the method further includes: and after the beacon signal broadcasted by the target terminal according to the beacon signal request instruction is received in the current period, adjusting the signal transmission power and/or the time interval.
Optionally, the adjusting the signal transmission power and/or the time interval comprises: reducing the signal transmission power indicated in the beacon signal request order transmitted in the next cycle and/or increasing the time interval indicated in the beacon signal request order transmitted in the next cycle.
Optionally, the adjusting the signal transmission power and/or the time interval comprises: sending a parameter adjusting instruction to the target terminal, wherein the parameter adjusting instruction is used for instructing to reduce the signal transmission power of the beacon signal broadcast by the target terminal; and/or increasing the time interval of the target terminal broadcasting the beacon signal so that the target terminal broadcasts the beacon signal according to the parameter adjusting instruction.
Optionally, the beacon request message includes a beacon trigger signal, where the beacon trigger signal is used to trigger the target terminal to broadcast the beacon signal, and the sending the beacon request message includes: and in the case of abnormal network connection with the target terminal, periodically broadcasting the beacon trigger signal.
Optionally, before broadcasting the beacon trigger signal periodically, the method further includes: periodically sending the beacon signal request instruction to the target terminal; determining whether a request response message sent by the target terminal according to the beacon signal request instruction is received within a first preset time period; the periodically broadcasting the beacon trigger signal includes: and if the receiving response message sent by the terminal according to the beacon signal request message is not received in the first preset time period, periodically broadcasting a beacon trigger signal.
Optionally, after determining the position of the target terminal according to the transmission power, the method further includes: detecting the real-time distance between the search terminal and the target terminal in the moving process of the search terminal; and adjusting the signal transmitting power and/or the time interval according to the change direction of the real-time distance relative to the terminal distance.
Optionally, the changing direction includes increasing or decreasing, and the adjusting the signal transmission power and/or the time interval according to the changing direction of the real-time distance relative to the terminal distance includes: increasing the signal transmission power if the real-time distance increases relative to the target terminal distance; and/or, decreasing the time interval; reducing the signal transmission power under the condition that the real-time distance is reduced relative to the target terminal distance; and/or, increasing the time interval.
In a second aspect, the present disclosure provides a method for searching a terminal, which is applied to a target terminal, and includes: receiving a beacon request message sent by a searching terminal; and broadcasting the beacon signal according to the beacon request message, so that the searching terminal determines the position of the target terminal according to the beacon signal after receiving the beacon signal.
Optionally, the beacon request message includes a beacon signal request instruction, and the receiving the beacon signal request message sent by the search terminal includes: and under the condition of successful network residence, periodically receiving the beacon signal request instruction sent by the search terminal.
The beacon request message may include a beacon trigger signal, where the beacon trigger signal is used to trigger the target terminal to broadcast the beacon signal, and the receiving the beacon signal request message sent by the target terminal includes: under the condition of network residence failure, periodically detecting the beacon trigger signal broadcast by the search terminal; the sending the beacon signal to the search terminal according to the beacon request message comprises: periodically broadcasting the beacon signal if the beacon trigger signal is detected.
Optionally, after the broadcasting the beacon signal according to the beacon request message, the method further includes: and if the beacon trigger signal periodically broadcast by the search terminal is not received within a second preset time period, stopping broadcasting the beacon signal.
In a third aspect, the present disclosure provides an apparatus for searching for a terminal, which is applied to searching for a terminal, and includes: a sending module, configured to send a beacon request message; a beacon signal receiving module, configured to receive, when a target terminal receives the beacon request message, a beacon signal broadcast by the target terminal according to the beacon request message; and the processing module is used for determining the position of the target terminal according to the beacon signal after receiving the beacon signal broadcasted by the target terminal.
Optionally, the beacon request message includes a beacon signal request instruction, where the beacon signal request instruction is used to request the target terminal to send the beacon signal, and the sending module is configured to periodically send the beacon signal request instruction to the target terminal when the network connection with the target terminal is normal.
Optionally, the beacon signal request instruction includes a signal transmission power instructing the target terminal to broadcast the beacon signal, and a time interval instructing the target terminal to broadcast the beacon signal, and the apparatus further includes: and the first adjusting module is used for adjusting the signal transmitting power and/or the time interval after the beacon signal broadcasted by the target terminal according to the beacon signal request instruction is received in the current period.
Optionally, the first adjusting module is configured to decrease the signal transmission power indicated in the beacon signal request command sent in the next period, and/or increase the time interval indicated in the beacon signal request command sent in the next period.
Optionally, the first adjusting module is configured to send a parameter adjusting instruction to the target terminal, where the parameter adjusting instruction is used to instruct to reduce the signal transmission power of the beacon signal broadcast by the target terminal; and/or increasing the time interval of the target terminal broadcasting the beacon signal so that the target terminal broadcasts the beacon signal according to the parameter adjusting instruction.
Optionally, the beacon request message includes a beacon trigger signal, where the beacon trigger signal is used to trigger the target terminal to broadcast the beacon signal, and the sending module is used to periodically broadcast the beacon trigger signal when the network connection with the target terminal is abnormal.
Optionally, the sending module is further configured to send the beacon signal request instruction to the target terminal periodically, determine whether a request response message sent by the target terminal according to the beacon signal request instruction is received within a first preset time period, and broadcast a beacon trigger signal periodically if a reception response message sent by the terminal according to the beacon signal request message is not received within the first preset time period.
Optionally, the apparatus further comprises: the distance detection module is used for detecting the real-time distance between the search terminal and the target terminal in the moving process of the search terminal; and the second adjusting module is used for adjusting the signal transmitting power and/or the time interval according to the change direction of the real-time distance relative to the terminal distance.
Optionally, the second adjusting module is configured to increase the signal transmission power when the real-time distance increases relative to the target terminal distance; and/or, decreasing the time interval; reducing the signal transmission power under the condition that the real-time distance is reduced relative to the target terminal distance; and/or, increasing the time interval.
In a fourth aspect, the present disclosure provides an apparatus for finding a terminal, which is applied to a target terminal, and includes: the message receiving module is used for receiving a beacon request message sent by the searching terminal; and the signal broadcasting module is used for broadcasting the beacon signal according to the beacon request message so that the searching terminal determines the position of the target terminal according to the beacon signal after receiving the beacon signal.
Optionally, the beacon request message includes a beacon signal request instruction, and the message receiving module is configured to periodically receive the beacon signal request instruction sent by the search terminal when network camping is successful.
Optionally, the beacon request message includes a beacon trigger signal, where the beacon trigger signal is used to trigger the target terminal to broadcast the beacon signal, and the message receiving module is used to periodically detect the beacon trigger signal broadcast by the search terminal in the case of network camping failure; the signal broadcasting module is configured to broadcast the beacon signal periodically when the beacon trigger signal is detected.
Optionally, the signal broadcasting module is further configured to, after the beacon signal is broadcasted according to the beacon request message, stop broadcasting the beacon signal if the beacon trigger signal periodically broadcasted by the search terminal is not received within a second preset time period.
In a fifth aspect, the present disclosure provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method of the first aspect described above.
In a sixth aspect, the present disclosure provides an electronic device, comprising: a memory having a computer program stored thereon; a processor for executing the computer program in the memory to implement the steps of the method of the first aspect.
In a seventh aspect, the present disclosure provides a computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, implements the steps of the method of the second aspect.
In an eighth aspect, the present disclosure provides an electronic device comprising: a memory having a computer program stored thereon; a processor for executing the computer program in the memory to implement the steps of the method of the second aspect.
By the technical scheme, the searching terminal sends the beacon request message, and receives the beacon signal sent by the target terminal according to the beacon request message under the condition that the target terminal receives the beacon request message, wherein the beacon signal comprises the transmitting power used by the target terminal for transmitting the signal; and determining the position of the target terminal according to the transmitting power, so that the searching terminal obtains the distance and the direction of the target terminal by receiving and calculating the beacon signal transmitted by the target terminal, and the position information of the target terminal can be obtained without depending on network connection and positioning.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a flowchart illustrating a method for finding a terminal according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of another method for finding a terminal according to an embodiment of the present disclosure;
fig. 3 is a flowchart illustrating a method for finding a terminal according to another embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an apparatus for finding a terminal according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of another apparatus for finding a terminal according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of another apparatus for finding a terminal according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram of another apparatus for finding a terminal according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of an electronic device provided in an embodiment of the present disclosure.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
First, an application scenario of the present disclosure is described, and the present disclosure may be applied to find a target terminal, where the target terminal may be a mobile phone (such as an Android mobile phone, an iOS mobile phone, etc.), a tablet computer, a shared bicycle, a Mobile Internet Device (MID), an intelligent water meter, and the like, and when the target terminal is found, it may be difficult to find the target terminal because of a large number of target terminals, poor network connection, or no Global Positioning System (GPS) module or the like. For example, when a user searches for a mobile phone, the position of the mobile phone is determined according to GPS positioning, which is based on positioning by combining a satellite in space with a triangulation principle, but if the environment where the mobile phone is located has too many shielding objects or exists indoors, the GPS positioning will be inaccurate, so that the user cannot search for the mobile phone.
In the prior art, a near field communication module is generally mounted on a target terminal, and the distance between the target terminal to be detected and a search terminal is determined according to the strength of a transmission signal.
For example, when a user searches for a shared bicycle to be used, a client of the shared bicycle or third-party software which is required to be used on a mobile phone is firstly opened, the position of the user is determined by adopting a GPS positioning function, and then a short-distance communication connection is established with the shared bicycle through short-distance Wireless communication technologies such as Bluetooth (Bluetooth) or Wireless Fidelity (WIFI) and the like, so that the closer the mobile phone is to the shared bicycle, the stronger the intensity of a received short-distance communication signal is; the farther the mobile phone is away from the shared bicycle, the weaker the intensity of the received close-range communication signal is, so that the position of the shared bicycle is judged. However, when there is an urban obstruction, the obstruction of the urban obstruction affects the transmission of electromagnetic waves, thereby affecting the transmission of transmission signals and causing poor distance judgment accuracy; secondly, the distance obtained through the signal strength is single-dimensional, direction information cannot be provided, a target terminal cannot be accurately searched, and the cost is high.
In order to solve the above problems, the present application provides a method, an apparatus, a storage medium, and an electronic device for finding a terminal. The method comprises the steps that a beacon signal which is received by a searching terminal and is sent by a target terminal according to a beacon request message is searched, wherein the beacon signal comprises the transmitting power of the target terminal for transmitting signals; the position of the target terminal is determined according to the transmitting power, so that the searching terminal obtains the distance and the direction of the target terminal by receiving and calculating the beacon signal sent by the target terminal, the position information of the target terminal can be obtained under the condition of not depending on network connection and positioning, and the position information comprises information of two dimensions of the distance and the direction, so that the target terminal can be searched more accurately.
The present disclosure is described below with reference to specific examples.
Fig. 1 is a flowchart of a method for finding a terminal according to an embodiment of the present disclosure, as shown in fig. 1, and the method is applied to find a terminal, and includes:
and S101, sending a beacon request message.
In this embodiment, the beacon request message may be transmitted in consideration of a network connection state with the target terminal through the following two implementations:
in a first mode, for a case where the network connection is normal, the beacon request message may include a beacon signal request instruction for requesting the target terminal to transmit the beacon signal, and the beacon signal request instruction may be periodically transmitted to the target terminal in a case where the network connection with the target terminal is normal, so that the beacon signal request instruction is directly transmitted to the target terminal in a case where the network connection is normal.
In a second mode, for the case of abnormal network connection, the beacon request message may include a beacon trigger signal, where the beacon trigger signal is used to trigger the target terminal to broadcast the beacon signal, and the beacon trigger signal may be periodically broadcast in the case of abnormal network connection with the target terminal, so that the beacon trigger signal is transmitted in a broadcast manner in the case of abnormal network connection.
Wherein, whether the network connection is normal can be determined by: the method comprises the steps that a search terminal sends a network connection test signal to a target terminal, the target terminal sends a connection response signal to the search terminal after receiving the network connection test signal, the search terminal determines that the network connection is normal after receiving the connection response signal sent by the target terminal in a preset time period, a beacon signal request instruction can be sent, if the preset time period is reached and the search terminal does not receive the connection response signal, the network connection is determined to be abnormal, and the beacon trigger signal can be broadcast periodically.
However, considering that the above manner needs to increase signaling interaction between the target terminal and the target terminal, in another embodiment of the present disclosure, the target terminal may first periodically send a beacon signal request command to the target terminal, and determine whether a request response message sent by the target terminal according to the beacon signal request command is received within a first preset time period, when the first preset time period is reached, if a receive response message sent by the terminal according to the beacon signal request message is not received, it indicates that network connection is abnormal, at this time, a beacon trigger signal may be periodically broadcast, and if a receive response message sent by the terminal according to the beacon signal request message is received within the first preset time period, it indicates that network connection between the target terminal and the target terminal is normal, and the target terminal receives the beacon signal request command, at this time, a beacon signal broadcast by the target terminal according to the beacon request message may be received. Therefore, whether the network connection state is normal can be determined by trying to send a beacon signal request instruction, and the beacon trigger signal is periodically broadcast under the condition that the network connection state is abnormal, so that a beacon request message can be flexibly sent according to the state of the network connection, and whether the network connection is normal does not need to be determined through an additionally sent network connection test signal, and the signaling overhead is reduced.
S102, receiving a beacon signal broadcast by the target terminal according to the beacon request message when the target terminal receives the beacon request message.
In this embodiment, the target terminal may broadcast the beacon signal periodically when receiving the beacon request message, where the beacon signal may include a terminal identifier of the target terminal, so that the searching terminal knows the terminal that transmits the beacon signal according to the terminal identifier.
And S103, after receiving the beacon signal broadcast by the target terminal, determining the position of the target terminal according to the beacon signal.
The location of the target terminal may include a direction of the target terminal and a distance between the target terminal and the search terminal.
In a possible implementation manner, a direction-finding antenna array is arranged on a search terminal, the direction-finding antenna array may include at least two direction-finding antennas, when the search terminal receives a beacon signal transmitted by a target terminal, a receiving time difference existing when the beacon signal passes through any two direction-finding antennas is obtained, the receiving time difference may be a function of an incoming wave direction angle of beacon signal transmission, the receiving time difference is resolved to obtain the incoming wave direction angle of the beacon signal, so as to obtain a direction of the target terminal, and a distance between the target terminal and the search terminal is calculated by a multi-antenna triangular positioning method, so as to obtain a position of the target terminal according to the direction and the distance.
It should be noted that, the above-mentioned obtaining the direction of the target terminal through the beacon signal and the multi-antenna triangular positioning method may refer to implementation manners in related technologies, and details are not described here.
By the method, the searching terminal obtains the distance and the direction of the target terminal by receiving and calculating the beacon signal sent by the target terminal, so that the position information of the target terminal can be obtained without depending on network connection and positioning, and the position information comprises information of two dimensions of the distance and the direction, so that the target terminal can be searched more accurately.
Fig. 2 is a flowchart of another method for finding a terminal according to an embodiment of the present disclosure, and as shown in fig. 2, the method is applied to a target terminal, and includes:
s201, receiving a beacon request message sent by a searching terminal.
In this step, the beacon request message may include a beacon signal request instruction, where the target terminal periodically receives the beacon signal request instruction sent by the querying terminal in case of successful network camping, and the beacon request message may further include a beacon trigger signal, and the target terminal may periodically detect the beacon trigger signal broadcast by the querying terminal in case of failed network camping.
It should be noted that, after the target terminal is powered on, a communication network for communication needs to be searched first, for example, the communication network may be an NBIoT network, and when the communication network is searched, the target terminal registers in the communication network, so as to complete network camping, where a specific process of network camping of the target terminal may refer to a process of network camping of a terminal in the related art, and is not described herein again.
S202, broadcasting the beacon signal according to the beacon request message, so that the searching terminal determines the location of the target terminal according to the beacon signal after receiving the beacon signal.
The beacon signal may include a terminal identifier of a target terminal, and after the search terminal detects the beacon signal, the search terminal determines, through the terminal identifier, that the beacon signal is received, so as to determine the location of the target terminal according to the beacon signal.
According to the method, after the target terminal receives the beacon request message, the beacon signal is sent in a broadcast mode, the searching terminal obtains the distance and the direction of the target terminal by receiving and calculating the beacon signal sent by the target terminal, and therefore the position information of the target terminal can be obtained under the condition that network connection and positioning are not relied on, and the position information comprises information of two dimensions of the distance and the direction, so that the target terminal can be searched more accurately.
Fig. 3 is a flowchart of another method for finding a terminal according to an embodiment of the present disclosure, and as shown in fig. 3, the method includes:
s301, the searching terminal periodically sends a beacon signal request instruction to the target terminal.
The searching terminal may send a beacon signal request instruction to the target terminal at a first preset time interval.
S302, the searching terminal determines whether a request response message sent by the target terminal according to the beacon signal request instruction is received.
In this step, the target terminal periodically receives the beacon signal request instruction sent by the search terminal under the condition that the network residence is successful, if the beacon request instruction sent by the search terminal is received, a request response message responding to the beacon signal request instruction is sent to the search terminal, and the target terminal does not send the request response message under the condition that the network residence is failed.
Executing steps S303 and S306 when a reception response message sent by the terminal according to the beacon signal request instruction is received within a first preset time period;
and executing the steps S304 to S306 when the first preset time period is reached and the reception response message sent by the terminal according to the beacon signal request instruction is not received.
Here, since the connection state of the network may affect the transmission of the signal, that is, in the case that the network connection is normal, the signal sent by the signal sending end can be normally transmitted to the signal receiving end, therefore, in this step, it may be determined whether the network connection is normal by whether a response message to the beacon signal request instruction is received within a first preset time.
S303, searching the beacon signal broadcast by the terminal detection target terminal.
In this step, after the target terminal sends the request response message to the search terminal, the target terminal may periodically broadcast a beacon signal, where the beacon signal includes a terminal identifier of the target terminal, so that the search terminal can know the terminal sending the beacon signal according to the terminal identifier.
S304, the searching terminal broadcasts the beacon trigger signal periodically.
The target terminal can periodically detect the beacon trigger signal broadcast by the search terminal under the condition of network residence failure, wherein the search terminal cannot receive a request response message sent by the target terminal under the condition of network residence failure of the target terminal, and at the moment, the search terminal sends the beacon trigger signal to the target terminal so as to trigger the target terminal to broadcast the beacon signal.
S305, the target terminal broadcasts the beacon signal according to the beacon trigger signal when receiving the beacon trigger signal.
It should be noted that the beacon signal request instruction or the beacon trigger signal may include a terminal identifier of the target terminal, a transmission period of the beacon trigger signal, a signal transmission power indicating that the target terminal broadcasts the beacon signal, and a time interval indicating that the target terminal broadcasts the beacon signal, so that the target terminal may continue to detect the beacon trigger signal sent by the target terminal according to a specified period after receiving the beacon trigger signal broadcasted by the target terminal, where the specified period may be an integral multiple of the transmission period of the beacon trigger signal, so that the beacon trigger signal does not need to be detected in real time, and the purpose of saving power is achieved.
Further, if the beacon trigger signal periodically broadcast by the search terminal is not received within a second preset time period, the beacon signal is stopped from being broadcast, and here, after the beacon signal is broadcast, if the beacon signal periodically broadcast by the search terminal is not received within the second preset time period, it may be determined that the target terminal has exceeded the search range of the search terminal, or the process of searching for the target terminal is stopped, and the target terminal may stop broadcasting the beacon signal, thereby saving the electric quantity of the target terminal.
In addition, the beacon trigger signal and the beacon signal may include the same frame structure, for example, an NPSS signal for time synchronization and acquisition and an NPBCH signal for transmitting a 36-bit payload may be included, which is only an example and is not limited herein.
S306, after the searching terminal receives the beacon signal broadcast by the target terminal, the position of the target terminal is determined according to the beacon signal.
In this embodiment, after the position of the target terminal is determined, the guidance information may be displayed, so as to guide the user to move to the position of the target terminal, and assist the user in quickly finding the target terminal.
For example, the guidance information may be voice prompt information, so as to guide the user to move to the target terminal through voice prompt, and the guidance information may also be marking information on a map, so as to mark the position of the target terminal on the map for finding a terminal exhibition, so as to facilitate the user to move to the target terminal.
It should be noted that, for the case that the target terminal receives the reception response message sent by the terminal according to the beacon signal request instruction within the first preset time period, considering that the target terminal periodically broadcasts the beacon signal and therefore needs to consume a large amount of power, and after the target terminal receives the beacon signal, the position of the target terminal can be determined according to the beacon signal, at this time, the target terminal consumes power if the target terminal continues to periodically broadcast the signal, in order to solve the problem, in another embodiment of the present disclosure, after the target terminal receives the beacon signal broadcast by the target terminal according to the beacon signal request instruction at the current period, the signal transmission power and/or the time interval can be adjusted, so as to reduce the power consumption of the target terminal and achieve the purpose of saving power.
Illustratively, the signal transmission power and/or the time interval may be adjusted by two implementations:
the first method is as follows: sending a parameter adjusting instruction to the target terminal, wherein the parameter adjusting instruction is used for instructing to reduce the signal transmission power of the beacon signal broadcast by the target terminal; and/or increasing the time interval of the beacon signal broadcast by the target terminal, so that the target terminal adjusts the signal transmission power and/or the time interval according to the parameter adjustment instruction.
Therefore, after the searching terminal sends the parameter adjusting instruction to the target terminal, the target terminal can broadcast the beacon signal according to the reduced signal transmitting power indicated in the parameter adjusting instruction and/or the increased time interval, and the aim of saving the electric quantity is fulfilled.
The second method comprises the following steps: in addition, in the method, the signal transmission power and/or the time interval can be adjusted by multiplexing the beacon signal request instruction, so that extra signaling overhead is not required to be added, and system resources are saved.
It should be noted that, the adjustment of the signal transmission power and/or the time interval may be adjusted according to a preset adjustment value, that is, the signal transmission power and/or the time interval may be increased or decreased by the preset adjustment value each time the signal transmission power and/or the time interval is adjusted.
In addition, in the process of moving the search terminal, the real-time distance between the search terminal and the target terminal can be detected, and the signal transmitting power and/or the time interval can be adjusted according to the change direction of the real-time distance relative to the terminal distance.
Illustratively, the direction of change may include an increase or a decrease, and in the case where the real-time distance increases relative to the target terminal distance, the signal transmission power may be increased; and/or, decreasing the time interval; reducing the signal transmission power under the condition that the real-time distance is reduced relative to the target terminal distance; and/or increasing the time interval. Therefore, the signal transmitting power and/or the time interval can be flexibly adjusted according to the real-time distance between the search terminal and the target terminal, so that the electric quantity of the target terminal is saved when the search terminal is closer to the target terminal, and the position information of the target terminal can be more accurately acquired when the search terminal is farther away from the target terminal.
The above steps are described below in connection with an exemplary embodiment.
The search terminal may include a signal transmitting module, a signal receiving and processing module, and a first communication module, and the target terminal may include a second communication module, a detection module, and a beacon signal transmitting module, and the search terminal may periodically transmit a beacon signal request instruction to the target terminal through the first communication module, and the target terminal searches for a target network through the second communication module and performs network residence after searching for the target network.
The method comprises the steps that under the condition that a target terminal successfully camps on a network, a beacon signal request instruction sent by a search terminal is periodically received through a second communication module, under the condition that the beacon signal request instruction sent by the search terminal is received through the second communication module, a receiving response message is sent to the search terminal through the second communication module, the beacon signal is periodically broadcasted, whether the search terminal receives the receiving response message sent by the target terminal in a first preset time period is determined through a first communication module, after the first communication module receives the receiving response message, a signal receiving processing module of the search terminal detects a beacon signal broadcasted by the second communication module of the target terminal, and after the beacon signal is detected, the position of the target terminal is determined according to the beacon signal.
The method comprises the steps that under the condition that a target terminal fails to park in a network, a detection module of the target terminal detects a beacon trigger signal sent by a search terminal, due to the fact that the target terminal fails to park in the network, the search terminal does not receive a receiving response message sent by the target terminal after reaching a first preset time period, a signal transmitting module of the search terminal periodically broadcasts the beacon trigger signal, the detection module of the target terminal periodically broadcasts the beacon signal after detecting the beacon trigger signal, a signal receiving and processing module of the search terminal detects the beacon signal broadcasted by a second communication module of the target terminal, and after detecting the beacon signal, the position of the target terminal is determined according to the beacon signal.
Once the target terminal starts the beacon transmitting module to transmit the beacon signal, if the detection module does not receive the beacon trigger signal within a certain receiving period, the target terminal is considered to be out of the searching range of the searching terminal, or the process of searching the terminal is stopped, the target terminal stops the beacon transmitting module from broadcasting the beacon signal, and therefore the electric quantity of the target terminal is saved.
When a searching terminal sends a beacon signal request instruction or just begins to broadcast a beacon trigger signal, in order to find the terminal as soon as possible, a target terminal can be instructed to broadcast the beacon signal according to larger signal transmission power and/or smaller time intervals through the beacon signal request instruction or the beacon trigger signal, and after a beacon receiving and resolving module of the searching terminal successfully receives the beacon signal, the transmitting power of the broadcast beacon signal can be instructed to be gradually reduced and/or the time intervals can be increased, or the target terminal is informed of the transmitting power and/or the time intervals of the broadcast beacon signal through a parameter adjusting instruction, so that the power consumption of the terminal is saved.
According to the method, after the target terminal receives the beacon request message, the beacon signal is sent in a broadcast mode, the searching terminal obtains the distance and the direction of the target terminal by receiving and calculating the beacon signal sent by the target terminal, and therefore the position information of the target terminal can be obtained under the condition that network connection and positioning are not relied on, and the position information comprises information of two dimensions of the distance and the direction, so that the target terminal can be searched more accurately.
Fig. 4 is a diagram of a device for finding a terminal according to this embodiment, as shown in fig. 4, the device is applied to find a terminal, and the device includes:
a sending module 401, configured to send a beacon request message;
a beacon signal receiving module 402, configured to receive a beacon signal broadcast by a target terminal according to the beacon request message when the target terminal receives the beacon request message;
the processing module 403 is configured to, after receiving the beacon signal broadcast by the target terminal, determine the location of the target terminal according to the beacon signal.
Optionally, the beacon request message includes a beacon signal request instruction, where the beacon signal request instruction is used to request the target terminal to transmit the beacon signal, and the transmitting module 401 is used to periodically transmit the beacon signal request instruction to the target terminal when the network connection with the target terminal is normal.
Optionally, the beacon signal request instruction includes a signal transmission power instructing the target terminal to broadcast the beacon signal, and a time interval instructing the target terminal to broadcast the beacon signal, as shown in fig. 5, the apparatus further includes:
a first adjusting module 404, configured to adjust the signal transmission power and/or the time interval after receiving the beacon signal broadcasted by the target terminal according to the beacon signal request instruction in the current period.
Optionally, the first adjusting module 404 is configured to decrease the signal transmission power indicated in the beacon signal request command sent in the next period, and/or increase the time interval indicated in the beacon signal request command sent in the next period.
Optionally, the first adjusting module 404 is configured to send a parameter adjusting instruction to the target terminal, where the parameter adjusting instruction is used to instruct to reduce the signal transmission power of the beacon signal broadcast by the target terminal; and/or increasing the time interval of the target terminal broadcasting the beacon signal so that the target terminal broadcasts the beacon signal according to the parameter adjusting instruction.
Optionally, the beacon request message includes a beacon trigger signal, where the beacon trigger signal is used to trigger the target terminal to broadcast the beacon signal, and the sending module 401 is used to periodically broadcast the beacon trigger signal in the case that the network connection with the target terminal is abnormal.
Optionally, the sending module is further configured to send the beacon signal request instruction to the target terminal periodically, determine whether a request response message sent by the target terminal according to the beacon signal request instruction is received within a first preset time period, and broadcast a beacon trigger signal periodically if a reception response message sent by the terminal according to the beacon signal request message is not received when the first preset time period is reached.
Optionally, as shown in fig. 6, the apparatus further includes:
a distance detection module 405, configured to detect a real-time distance between the search terminal and the target terminal in a moving process of the search terminal;
a second adjusting module 406, configured to adjust the signal transmitting power and/or the time interval according to a changing direction of the real-time distance relative to the terminal distance.
Optionally, the second adjusting module 406 is configured to increase the signal transmitting power when the real-time distance increases relative to the target terminal distance; and/or, decreasing the time interval; reducing the signal transmission power under the condition that the real-time distance is reduced relative to the target terminal distance; and/or increasing the time interval.
By the device, the searching terminal obtains the distance and the direction of the target terminal by receiving and resolving the beacon signal sent by the target terminal, so that the position information of the target terminal can be obtained under the condition of not depending on network connection and positioning, and the position information comprises information of two dimensions of the distance and the direction, so that the target terminal can be searched more accurately.
Fig. 7 is a device for finding a terminal according to an embodiment of the present disclosure, as shown in fig. 8, and is applied to a target terminal, where the device includes:
a message receiving module 701, configured to receive a beacon request message sent by a search terminal;
a signal broadcasting module 702, configured to broadcast the beacon signal according to the beacon request message, so that the searching terminal determines the location of the target terminal according to the beacon signal after receiving the beacon signal.
Optionally, the beacon request message includes a beacon signal request instruction, and the message receiving module 701 is configured to periodically receive the beacon signal request instruction sent by the search terminal in a case that network camping is successful.
Optionally, the beacon request message includes a beacon trigger signal, where the beacon trigger signal is used to trigger the target terminal to broadcast the beacon signal, and the message receiving module 701 is used to periodically detect the beacon trigger signal broadcast by the search terminal in the case of a network camping failure;
the signal broadcasting module 702 is configured to broadcast the beacon signal periodically if the beacon trigger signal is detected.
Optionally, the signal broadcasting module 702 is further configured to, after the beacon signal is broadcasted according to the beacon request message, stop broadcasting the beacon signal if the beacon trigger signal periodically broadcasted by the search terminal is not received within a second preset time period.
By the device, the target terminal sends the beacon signal in a broadcast mode after receiving the beacon request message, and the searching terminal obtains the distance and the direction of the target terminal by receiving and calculating the beacon signal sent by the target terminal, so that the position information of the target terminal can be obtained under the condition of not depending on network connection and positioning, and the position information comprises information of two dimensions of the distance and the direction, so that the target terminal can be searched more accurately.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Fig. 8 is a block diagram illustrating an electronic device 800 in accordance with an example embodiment. As shown in fig. 8, the electronic device 800 may include: a processor 801, a memory 802. The electronic device 800 may also include one or more of a multimedia component 803, an input/output (I/O) interface 804, and a communications component 805.
The processor 801 is configured to control the overall operation of the electronic device 800, so as to complete all or part of the steps in the above method for finding a terminal. The memory 802 is used to store various types of data to support operation at the electronic device 800, such as instructions for any application or method operating on the electronic device 800 and application-related data, such as contact data, transmitted and received messages, pictures, audio, video, and so forth. The Memory 802 may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk or optical disk. The multimedia components 803 may include screen and audio components. Wherein the screen may be, for example, a touch screen and the audio component is used for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may further be stored in the memory 802 or transmitted through the communication component 805. The audio assembly also includes at least one speaker for outputting audio signals. The I/O interface 804 provides an interface between the processor 801 and other interface modules, such as a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 805 is used for wired or wireless communication between the electronic device 800 and other devices. Wireless Communication, such as Wi-Fi, bluetooth, Near Field Communication (NFC), 2G, 3G, 4G, NB-IOT, eMTC, or other 5G, etc., or a combination of one or more of them, which is not limited herein. The corresponding communication component 905 may thus include: Wi-Fi module, Bluetooth module, NFC module, etc.
In an exemplary embodiment, the electronic Device 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components for performing the above-described method for finding a terminal.
In another exemplary embodiment, a computer readable storage medium including program instructions which, when executed by a processor, implement the steps of the above-described method of finding a terminal is also provided. For example, the computer readable storage medium may be the memory 802 described above that includes program instructions executable by the processor 801 of the electronic device 800 to perform the method for finding a terminal described above.
In another exemplary embodiment, a computer program product is also provided, which comprises a computer program executable by a programmable apparatus, the computer program having code portions for performing the above-mentioned method of finding a terminal when executed by the programmable apparatus.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (19)
1. A method for searching a terminal is applied to searching the terminal and comprises the following steps:
transmitting a beacon request message;
under the condition that a target terminal receives the beacon request message, receiving a beacon signal broadcasted by the target terminal according to the beacon request message;
and after receiving the beacon signal broadcast by the target terminal, determining the position of the target terminal according to the beacon signal.
2. The method according to claim 1, wherein the beacon request message includes a beacon signal request instruction for requesting the target terminal to transmit the beacon signal, and wherein the transmitting the beacon request message includes:
and under the condition that the network connection with the target terminal is normal, periodically sending the beacon signal request instruction to the target terminal.
3. The method of claim 2, wherein the beacon signal request instruction comprises a signal transmission power instructing the target terminal to broadcast the beacon signal and a time interval instructing the target terminal to broadcast the beacon signal, and wherein the method further comprises:
and after the beacon signal broadcasted by the target terminal according to the beacon signal request instruction is received in the current period, adjusting the signal transmission power and/or the time interval.
4. The method of claim 3, wherein said adjusting said signal transmission power and/or said time interval comprises:
reducing the signal transmission power indicated in the beacon signal request order transmitted in the next cycle and/or increasing the time interval indicated in the beacon signal request order transmitted in the next cycle.
5. The method of claim 3, wherein said adjusting said signal transmission power and/or said time interval comprises:
sending a parameter adjusting instruction to the target terminal, wherein the parameter adjusting instruction is used for instructing to reduce the signal transmission power of the beacon signal broadcast by the target terminal; and/or increasing the time interval of the target terminal broadcasting the beacon signal so that the target terminal broadcasts the beacon signal according to the parameter adjusting instruction.
6. The method of claim 1, wherein the beacon request message comprises a beacon trigger signal for triggering the target terminal to broadcast the beacon signal, and wherein the sending the beacon request message comprises:
and in the case of abnormal network connection with the target terminal, periodically broadcasting the beacon trigger signal.
7. The method of claim 6, wherein prior to periodically broadcasting the beacon trigger signal, the method further comprises:
periodically sending the beacon signal request instruction to the target terminal;
determining whether a request response message sent by the target terminal according to the beacon signal request instruction is received within a first preset time period;
the periodically broadcasting the beacon trigger signal includes:
and if the receiving response message sent by the terminal according to the beacon signal request message is not received in the first preset time period, periodically broadcasting a beacon trigger signal.
8. The method of claim 1, wherein after determining the location of the target terminal according to the transmission power, the method further comprises:
detecting the real-time distance between the search terminal and the target terminal in the moving process of the search terminal;
and adjusting the signal transmitting power and/or the time interval according to the change direction of the real-time distance relative to the terminal distance.
9. The method according to claim 8, wherein the direction of change comprises increasing or decreasing, and wherein the adjusting the signal transmission power and/or the time interval according to the direction of change of the real-time distance relative to the terminal distance comprises:
increasing the signal transmission power if the real-time distance increases relative to the target terminal distance; and/or, decreasing the time interval;
reducing the signal transmission power under the condition that the real-time distance is reduced relative to the target terminal distance; and/or, increasing the time interval.
10. A method for finding a terminal is applied to a target terminal, and comprises the following steps:
receiving a beacon request message sent by a searching terminal;
and broadcasting the beacon signal according to the beacon request message, so that the searching terminal determines the position of the target terminal according to the beacon signal after receiving the beacon signal.
11. The method of claim 10, wherein the beacon request message comprises a beacon signal request instruction, and wherein the receiving the beacon signal request message sent by the seeker terminal comprises:
and under the condition of successful network residence, periodically receiving the beacon signal request instruction sent by the search terminal.
12. The method of claim 10, wherein the beacon request message includes a beacon trigger signal, the beacon trigger signal is used to trigger the target terminal to broadcast the beacon signal, and the receiving the beacon signal request message sent by the target terminal comprises:
under the condition of network residence failure, periodically detecting the beacon trigger signal broadcast by the search terminal;
the sending the beacon signal to the search terminal according to the beacon request message comprises:
periodically broadcasting the beacon signal if the beacon trigger signal is detected.
13. The method of claim 12, wherein after said broadcasting said beacon signal according to said beacon request message, said method further comprises:
and if the beacon trigger signal periodically broadcast by the search terminal is not received within a second preset time period, stopping broadcasting the beacon signal.
14. The device for searching the terminal is applied to searching the terminal and comprises the following steps:
a sending module, configured to send a beacon request message;
a beacon signal receiving module, configured to receive, when a target terminal receives the beacon request message, a beacon signal broadcast by the target terminal according to the beacon request message;
and the processing module is used for determining the position of the target terminal according to the beacon signal after receiving the beacon signal broadcasted by the target terminal.
15. An apparatus for finding a terminal, applied to a target terminal, includes:
the message receiving module is used for receiving a beacon request message sent by the searching terminal;
and the signal broadcasting module is used for broadcasting the beacon signal according to the beacon request message so that the searching terminal determines the position of the target terminal according to the beacon signal after receiving the beacon signal.
16. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 9.
17. An electronic device, comprising:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to carry out the steps of the method of any one of claims 1 to 9.
18. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 10 to 13.
19. An electronic device, comprising:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to carry out the steps of the method of any one of claims 10 to 13.
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