CN109151796A - NAN equipment finding method, relevant device and computer readable storage medium - Google Patents
NAN equipment finding method, relevant device and computer readable storage medium Download PDFInfo
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- CN109151796A CN109151796A CN201810910257.9A CN201810910257A CN109151796A CN 109151796 A CN109151796 A CN 109151796A CN 201810910257 A CN201810910257 A CN 201810910257A CN 109151796 A CN109151796 A CN 109151796A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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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
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The embodiment of the present application discloses a kind of NAN equipment finding method, relevant device and computer readable storage medium, this method comprises: the first NAN equipment in the first NAN where sensing network NAN equipment to the first NAN equipment sends the first broadcast message, which carries the identification information of target NAN equipment；If the first NAN equipment receives the first determining message of target NAN equipment return in preset duration, the first NAN equipment obtains the distance between the first NAN equipment and target NAN equipment information；First NAN equipment determines the position of target NAN equipment according to the distance between the first NAN equipment and target NAN equipment information.The embodiment of the present application can quickly find target NAN equipment by NAN.
Description
Technical field
The present invention relates to technical field of mobile terminals, and in particular to a kind of NAN equipment finding method, relevant device and meter
Calculation machine readable storage medium storing program for executing.
Background technique
Neighbouring sensing network (Neighbor Awareness Network, NAN) is based on Wireless Fidelity (Wireless-
Fidelity, Wi-Fi) technology network, NAN has the characteristics that real-time and low in energy consumption.
After NAN device losses in NAN, if it is desired to the NAN equipment of the loss is found, it can only be in Wi-Fi distance
It finds, searching is limited in scope.
Summary of the invention
The embodiment of the present application provides a kind of NAN equipment finding method, relevant device and computer readable storage medium,
Target NAN equipment can be quickly found by NAN.
The embodiment of the present application first aspect provides a kind of NAN equipment finding method, comprising:
The first NAN equipment in the first NAN where sensing network NAN equipment to the first NAN equipment is sent
First broadcast message, first broadcast message carry the identification information of target NAN equipment；
If the first NAN equipment receives the target NAN equipment returns first in preset duration and determines message,
The first NAN equipment obtains the distance between the first NAN equipment and the target NAN equipment information；
The first NAN equipment is determined according to the distance between the first NAN equipment and the target NAN equipment information
The position of the target NAN equipment.
The embodiment of the present application second aspect provides a kind of NAN equipment device for searching, including the first transmission unit, acquiring unit
And determination unit, in which:
It is wide to send first for the NAN equipment into the first NAN where the first NAN equipment for first transmission unit
Message is broadcast, first broadcast message carries the identification information of target NAN equipment；
The acquiring unit, for being returned when the first NAN equipment receives the target NAN equipment in preset duration
When first returned determines message, the distance between the first NAN equipment and the target NAN equipment information are obtained；
The determination unit, for true according to the distance between the first NAN equipment and the target NAN equipment information
The position of the fixed target NAN equipment.
The embodiment of the present application third aspect provides a kind of mobile terminal, including processor and memory, the memory
For storing one or more programs, one or more of programs are configured to be executed by the processor, described program packet
It includes for executing the step some or all of as described in the embodiment of the present application first aspect either method.
The embodiment of the present application fourth aspect provides a kind of computer readable storage medium, the computer readable storage medium
For storing the computer program of electronic data interchange, wherein the computer program executes computer as the application is real
Some or all of apply described in a first aspect either method step.
The 5th aspect of the embodiment of the present application provides a kind of computer program product, and the computer program product includes storage
The non-transient computer readable storage medium of computer program, the computer program are operable to execute computer such as
Step some or all of described in the embodiment of the present application first aspect either method.
In the embodiment of the present application, first in the first NAN where sensing network NAN equipment to the first NAN equipment
NAN equipment sends the first broadcast message, which carries the identification information of target NAN equipment；If the first NAN equipment
Received in preset duration target NAN equipment return first determine message, the first NAN equipment obtain the first NAN equipment with
The distance between target NAN equipment information；First NAN equipment is believed according to the distance between the first NAN equipment and target NAN equipment
Cease the position for determining target NAN equipment.The embodiment of the present application can be sent in NAN to broadcast the message to find target NAN equipment,
Target NAN equipment can be quickly found by NAN.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is NAN network architecture schematic diagram disclosed in the embodiment of the present application；
Fig. 2 is a kind of flow diagram of NAN equipment finding method disclosed in the embodiment of the present application；
Fig. 3 is the flow diagram of another kind NAN equipment finding method disclosed in the embodiment of the present application；
Fig. 4 is the flow diagram of another kind NAN equipment finding method disclosed in the embodiment of the present application；
Fig. 5 is a kind of structural schematic diagram of NAN equipment device for searching disclosed in the embodiment of the present application；
Fig. 6 is the structural schematic diagram of another kind mobile terminal disclosed in the embodiment of the present application；
Fig. 7 is the structural schematic diagram of another mobile terminal disclosed in the embodiment of the present application.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Mobile terminal involved by the embodiment of the present application may include the various handheld devices with wireless communication function,
Mobile unit, wearable device calculate equipment or are connected to other processing equipments and various forms of radio modem
User equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal
Device) etc..For convenience of description, apparatus mentioned above is referred to as mobile terminal.
It describes in detail below to the embodiment of the present application.
Referring to Fig. 1, Fig. 1 is NAN network architecture schematic diagram disclosed in the embodiment of the present application.As shown in Figure 1, the NAN net
Network framework includes multiple NAN networks, wherein two NAN equipment is included at least in each NAN network, the same NAN equipment can be with
It is in multiple NAN networks simultaneously.As shown in Figure 1, A, B, C, D, E, F, G, H, I, J, K are NAN equipment, wherein A, B, C are in
One NAN network, B, D, E are in another NAN network, D, H, I and are in another NAN network again, and C, F, G are in another again
NAN equipment, F, J, K are in another NAN network again.Wherein, B, D, C, F are in two NAN networks simultaneously.
Neighbouring sensing network (Neighbor Awareness Network, NAN) is based on Wireless Fidelity (Wireless-
Fidelity, Wi-Fi) technology network, NAN network has the characteristics that real-time and low in energy consumption.
NAN network is used for certain Internet protocols and connects together neighbouring equipment.NAN in NAN is set
It is standby to may belong to different proprietary network infrastructure (for example, different mobile carrier waves).Even if two NAN equipment are geographically
It is close, the communication path between them may actually also pass through over long distances, from local area network (Local Area Network,
LAN it) sets out through internet, and reaches another LAN.NAN network attention is between the NAN equipment each other at some in
Two-way communication.
The discovery agreement used in WiFi network enables NAN equipment to notice their own (for example, by sending hair
Now grouping or message) and discovery is supplied by other NAN equipment service (for example, by send page or inquiry packets or
Person's message), while ensuring secure communication and/or low power consumption.In addition, NAN equipment can by service-specific information (for example,
Network address, photo, video etc.) it is sent to other NAN equipment.One or more NAN equipment in NAN network, which can send to synchronize, to disappear
Breath, to coordinate one or more availability windows of the NAN communication between devices in NAN network.
In NAN network, a discovery window is set in general every 512 time quantums (time unit, TU)
(discovery window, DW), wherein the duration of a TU is about that the duration of 1024 μ s, DW is generally
Generally a DW is arranged every 496 TU in 16TU.NAN equipment can send sync beacon frame (sync beacon) during DW
Message, so that the equipment in NAN network is realized and synchronized.
During DW, NAN equipment can complete service discovery, it can new NAN equipment is added in NAN network.When
When one wireless device receives the sync beacon frame message that the NAN equipment in other one or more NAN networks is sent
Choose whether the NAN network of other side to be added.In sync beacon frame message, identification information, the network letter of NAN network are generally comprised
Cease (for example, number of devices in NAN network) etc..
Wherein, there is no stringent master-slave relationships for the NAN equipment in NAN network.During DW, NAN network can choose
In other NAN equipment and other broadcast by wireless devices sync beacon frame messages into NAN network of a NAN equipment, with
It realizes the equipment in NAN network to synchronize, and completes service discovery.
The network architecture disclosed in the embodiment of the present application, wireless device, which can choose, is added NAN network, and a NAN is set
It is standby that multiple NAN networks can be added simultaneously, to realize information from the NAN equipment in a NAN network to another NAN network
In NAN equipment between transmission.
Referring to Fig. 2, Fig. 2 is a kind of flow diagram of NAN equipment finding method disclosed in the embodiment of the present application, such as scheme
Shown in 2, which includes the following steps.
201, NAN equipment of the first NAN equipment into the first NAN where the first NAN equipment sends the first broadcast message,
First broadcast message carries the identification information of target NAN equipment.
In the embodiment of the present application, the first NAN is referred to as the first NAN network, is made of at least two wireless devices
Neighbouring sensing network.NAN equipment of the first NAN equipment into the first NAN where the first NAN equipment sends the first broadcast and disappears
Breath can be to be sent in discovery window (discovery window, DW), can also be sent in other times section.First NAN
Equipment can all NAN equipment into the first NAN all send first broadcast message.The identification information of target NAN equipment can be with
It is the device identification of target NAN equipment.Device identification has uniqueness, and the device identification of each NAN equipment is different from.Citing
For, device identification can be address media access control (Media Access Control, MAC) of target NAN equipment,
MAC Address is referred to as physical address.
202, if the first NAN equipment received in preset duration target NAN equipment return first determine message, first
NAN equipment obtains the distance between the first NAN equipment and target NAN equipment information.
In the embodiment of the present application, preset duration can be set in advance and is stored in the memory of the first NAN equipment,
For example, preset duration can be set to the integral multiple of 512 TU or 512 TU.
After other NAN equipment in first NAN network receive the first broadcast message, the first broadcast message of parsing is obtained
The identification information of target NAN equipment, and the identification information of target NAN equipment is compared with the identification information of itself, if
It is identical, then confirm it itself is target NAN equipment, then sends first to the first NAN equipment and determine message；If it is not the same, then really
Recognizing itself not is target NAN equipment.
First determines that message may include the identification information of target NAN equipment.
First NAN equipment obtains the distance between the first NAN equipment and target NAN equipment information and is specifically as follows:
First NAN equipment and target NAN equipment negotiate range measurement principle, ranging protocol, ranging parameters demand, according to negotiation
Range measurement principle, ranging protocol, ranging parameters demand measure the distance between the first NAN equipment and target NAN equipment information.
Wherein, range measurement principle may include precise time measurement (fine timing measurement, FTM) principle, three
Angle range measurement principle etc., ranging parameters demand may include ranging range, range accuracy etc..
Optionally, in step 202, the first NAN equipment obtains the distance between the first NAN equipment and target NAN equipment letter
Breath, is specifically as follows:
First NAN equipment carries out ranging with target NAN equipment and interacts, and obtains between the first NAN equipment and target NAN equipment
Range information.
In the embodiment of the present application, the first NAN equipment carries out ranging interaction with target NAN equipment can be set by the first NAN
It is standby to send ranging message to target NAN equipment, and according to the first NAN equipment to target NAN equipment send ranging message time,
Target NAN equipment sends the time of the feedback message for ranging message to the first NAN equipment, the first NAN equipment receives this instead
The time of message is presented to calculate electromagnetic wave signal in the first NAN equipment to the duration propagated between target NAN equipment.First NAN
Equipment is propagated in the first NAN equipment between target NAN equipment according to the spread speed and electromagnetic wave signal of electromagnetic wave signal
Duration calculation, the distance between the first NAN equipment and target NAN equipment.
Optionally, the first NAN equipment is interacted with the progress ranging of target NAN equipment, obtains the first NAN equipment and target NAN
The distance between equipment information, is specifically as follows:
First NAN equipment is measured to target NAN equipment transmission range and is requested；Target NAN equipment is for receiving distance
The rear of measurement request sends replying message for ranging request to the first NAN equipment, and target NAN equipment is also used to record
Target NAN equipment sends the first moment replied message to the first NAN equipment；
First NAN equipment, which determines, receives replying message for target NAN equipment transmission, and records to receive and reply message
Second moment；
First NAN equipment is sent to target NAN equipment for the confirmation response message replied message, and records transmission confirmation
The third moment of response message；Target NAN equipment be also used to record target NAN equipment receive confirmation response message the 4th when
It carves, target NAN equipment is also used to send ranging message to the first NAN equipment, and ranging message includes the first moment and the 4th moment；
First NAN equipment is true according to the first moment, the second moment, third moment, the 4th moment and signal velocity
Fixed the distance between first NAN equipment and target NAN equipment.
In the embodiment of the present application, the first NAN equipment according to the first moment, the second moment, the third moment, the 4th moment and
Signal velocity determines the distance between the first NAN equipment and target NAN equipment specifically:
First NAN equipment calculates the distance between the first NAN equipment and target NAN equipment according to following formula:
S=[(t2-t1)+(t4-t3)]×c/2；
Wherein, t1For the first moment, t2For the second moment, t3For third moment, t4For the 4th moment, c is that signal propagates speed
Degree, S are the distance between the first NAN equipment and target NAN equipment.
203, the first NAN equipment determines target NAN according to the distance between the first NAN equipment and target NAN equipment information
The position of equipment.
In the embodiment of the present application, the first NAN equipment obtains the distance between the first NAN equipment and target NAN equipment information
Later, the first NAN equipment can be established with target NAN equipment and be communicated to connect, the location information of acquisition target NAN equipment, and first
NAN equipment combine the location information of itself, the location information of target NAN equipment and the first NAN equipment and target NAN equipment it
Between range information determine the position of target NAN equipment.The position of target NAN equipment can be target NAN equipment relative to
Orientation, the distance of one NAN equipment.
Optionally, after executing step 103, the first NAN equipment can generate first according to the position of target NAN equipment
NAN equipment finds target NAN equipment according to navigation information with the first NAN equipment of guidance to the navigation information of target NAN equipment.
In the embodiment of the present application, it can send and be broadcast the message to find target NAN equipment in NAN, it can be fast by NAN
Speed finds target NAN equipment.
Referring to Fig. 3, Fig. 3 is the flow diagram of another kind NAN equipment finding method disclosed in the embodiment of the present application, such as
Shown in Fig. 3, which includes the following steps.
301, NAN equipment of the first NAN equipment into the first NAN where the first NAN equipment sends the first broadcast message,
First broadcast message carries the identification information of target NAN equipment.
302, if the first NAN equipment received in preset duration target NAN equipment return first determine message, first
NAN equipment obtains the distance between the first NAN equipment and target NAN equipment information.
303, the first NAN equipment determines target NAN according to the distance between the first NAN equipment and target NAN equipment information
The position of equipment.
In the embodiment of the present application, step 301 to step 303 may refer to step 201 shown in Fig. 2 to step 203, herein
It repeats no more.
304, if the first NAN equipment do not received in preset duration target NAN equipment return determination message, first
NAN equipment of the NAN equipment into the first NAN sends the message that floods, which carries the identification information of target NAN equipment.
305, if the 2nd NAN equipment receives the message that floods, the 2nd NAN equipment is to second where the 2nd NAN equipment
The second broadcast message is sent in NAN network, the second broadcast message carries the identification information of target NAN equipment.
In the embodiment of the present application, flood message, refers to the equipment for receiving the message that floods in addition to the first NAN equipment
Other NAN equipment send broadcast message.
306, if the 2nd NAN equipment received in preset duration target NAN equipment return second determine message, second
NAN equipment obtains the distance between the 2nd NAN equipment and target NAN equipment information.
307, the distance between the 2nd NAN equipment and target NAN equipment information are sent to the first NAN by the 2nd NAN equipment
Equipment.
308, the first NAN equipment is according to the distance between the first NAN equipment and the 2nd NAN equipment information and the 2nd NAN
The distance between equipment and target NAN equipment information obtain the distance between the first NAN equipment and target NAN equipment information.
Optionally, method shown in Fig. 3 further includes following steps:
If the 2nd NAN equipment do not received in preset duration target NAN equipment return second determine message, second
NAN equipment of the NAN equipment into the 2nd NAN sends the message that floods, which carries the identification information of target NAN equipment.
If the 3rd NAN equipment receives the message that floods, the 3rd NAN equipment is to the 3rd NAN net where the 3rd NAN equipment
Third broadcast message is sent in network, third broadcast message carries the identification information of target NAN equipment.
If the third that the 3rd NAN equipment receives the return of target NAN equipment in preset duration determines message, the 3rd NAN
Equipment obtains the distance between the 3rd NAN equipment and target NAN equipment information.
The distance between 3rd NAN equipment and target NAN equipment information are sent to the first NAN equipment by the 3rd NAN equipment.
First NAN equipment is according to the distance between the first NAN equipment and the 3rd NAN equipment information and the 3rd NAN equipment
The distance between target NAN equipment information obtains the distance between the first NAN equipment and target NAN equipment information.
In the embodiment of the present application, NAN equipment of the first NAN equipment into the first NAN sends the message that floods, and shows to be flooded to
First level.NAN equipment of the 2nd NAN equipment into the 2nd NAN sends the message that floods, and shows to be flooded to the second level.
If flooding for the second level still can not find target NAN equipment, it can be further flooded to third level, until finding
Stop sending the message that floods after target NAN equipment.
The searching of target NAN equipment is illustrated by taking Fig. 1 as an example.
(1) assume that A is the first NAN equipment, B is target NNA equipment.After A sends the first broadcast message to B and C, B is returned to A
It returns first and determines message, A and B carry out ranging and determine the distance between A and B, and then determine the position of B.
(2) assume that A is the first NAN equipment, D is target NNA equipment.After A sends the first broadcast message to B and C, when presetting
Interior A is not received by B or C is returned first and determines message, and A sends the message that floods to B and C, and it is backward that B receives the message that floods
D and E send the second broadcast message, C is received flood message after to F and G send the second broadcast message；When B receives D transmission
Second determines message, and B and D carry out ranging and determine that the distance between B and D are sent to A, A and B and carried out by the distance between B and D, B
Ranging determines the distance between A and B, and A determines the distance between A and D according to the distance between the distance between A and B, B and D.
(3) assume that A is the first NAN equipment, K is target NAN equipment.After A sends the first broadcast message to B and C, when presetting
Interior A is not received by B or C is returned first and determines message, and A sends the message that floods to B and C, and it is backward that B receives the message that floods
D and E send the second broadcast message, C is received flood message after to F and G send the second broadcast message；If B does not have in preset time
Have and receives the D and E is returned second determining information；If C is not received by F and G is returned second and determines information in preset time,
B floods message to D and E transmission, and C floods message to F and G transmission, D is received flood message after send third broadcast to H and I and disappear
Breath, F is received flood message after to J and K send third broadcast message；When the third that F receives K transmission determines message, F and K
It carries out ranging and determines that the distance between F and K are sent to C, C and F progress ranging and determined between C and F by the distance between F and K, F
Distance, C by the distance between the distance between F and K, C and F be sent to A, A and C carry out ranging determine between A and C away from
The distance between A and K are determined according to the distance between the distance between the distance between A and C, C and F, F and K from, A.
In Fig. 1, A is the first level, and B, C are the second level, D, E, F, G are third level, H, I, J, K are the 4th level.
If the first level, which floods, does not find target NAN equipment, the second level continues to flood, and does not look for if the second level floods
To target NAN equipment, then third level continues to flood, until finding target NAN device location.
Above-mentioned searching target NAN equipment is only some possible examples, if this level floods and can not find target NAN and set
It is standby, then further it is flooded to next level.The embodiment of the present application repeats no more.
In the embodiment of the present application, broadcast message can be sent in NAN to find target NAN equipment, when in current NAN
It is interior when can not find target NAN equipment, it can send and flood message to find target NAN equipment, can quickly be found by NAN
Target NAN equipment.
Referring to Fig. 4, Fig. 4 is the flow diagram of another kind NAN equipment finding method disclosed in the embodiment of the present application, such as
Shown in Fig. 4, which includes the following steps.
401, NAN equipment of the first NAN equipment into the first NAN where the first NAN equipment sends the first broadcast message,
First broadcast message carries the identification information of target NAN equipment.
402, if the first NAN equipment received in preset duration target NAN equipment return first determine message, first
NAN equipment obtains the distance between the first NAN equipment and target NAN equipment information.
403, the first NAN equipment determines target NAN according to the distance between the first NAN equipment and target NAN equipment information
The position of equipment.
In the embodiment of the present application, step 401 to step 403 may refer to step 201 shown in Fig. 2 to step 203, herein
It repeats no more.
404, when the first NAN equipment determines that the distance between the first NAN equipment and target NAN equipment are less than pre-determined distance threshold
When value, the first NAN equipment sends instruction message to target NAN equipment, which is used to indicate target NAN equipment and issues report
Alert sound.
In the embodiment of the present application, the first NAN equipment can be between the first NAN equipment of real-time measurement and target NAN equipment
Distance, when the first NAN equipment determines that the distance between the first NAN equipment and target NAN equipment are less than pre-determined distance threshold value, the
One NAN equipment sends instruction message to target NAN equipment, which is used to indicate target NAN equipment and issues alarm.It is alert
Report sound can remind the holder of the first NAN equipment, the alarm that the holder of the first NAN equipment issues according to target NAN equipment
Sound quickly finds target NAN equipment.
In the embodiment of the present application, it can send and be broadcast the message to find target NAN equipment in NAN, it can be fast by NAN
Speed finds target NAN equipment.Target NAN equipment, which can sound the alarm, reminds the holder of the first NAN equipment, and the first NAN is set
Standby holder quickly finds target NAN equipment according to the alarm song that target NAN equipment issues.
It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of method side implementation procedure.It is understood that
, in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software mould for mobile terminal
Block.Those skilled in the art should be readily appreciated that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, the present invention can be realized with the combining form of hardware or hardware and computer software.Some function actually with
Hardware or computer software drive the mode of hardware to execute, the specific application and design constraint item depending on technical solution
Part.Professional technician can specifically realize described function to each using distinct methods, but this reality
Now it should not be considered as beyond the scope of the present invention.
The embodiment of the present application can carry out the division of functional unit according to above method example to mobile terminal, for example, can
With each functional unit of each function division of correspondence, two or more functions can also be integrated in a processing unit
In.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs
It is noted that be schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
Referring to Fig. 5, Fig. 5 is a kind of structural schematic diagram of NAN equipment device for searching disclosed in the embodiment of the present application.Such as figure
Shown in 5, which includes the first transmission unit 501, acquiring unit 502 and determination unit 503,
In:
First transmission unit 501 sends the first broadcast for the NAN equipment into the first NAN where the first NAN equipment
Message, the first broadcast message carry the identification information of target NAN equipment；
Acquiring unit 502, for receiving the first of target NAN equipment return in preset duration when the first NAN equipment
When determining message, the distance between the first NAN equipment and target NAN equipment information are obtained；
Determination unit 503, for determining target NAN according to the distance between the first NAN equipment and target NAN equipment information
The position of equipment.
Optionally, NAN equipment device for searching 500 further includes the second transmission unit 504 and processing unit 505, in which:
Second transmission unit 504, for being returned when the first NAN equipment does not receive target NAN equipment in preset duration
Determination message when, the NAN equipment transmission into the first NAN floods message, and the message that floods carries the mark letter of target NAN equipment
Breath；Wherein, the 2nd NAN equipment of the message that floods is received for sending the into the 2nd NAN network where the 2nd NAN equipment
Two broadcast messages, the second broadcast message carry the identification information of target NAN equipment；When the 2nd NAN equipment is inscribed in preset duration
When receiving the second determining message of target NAN equipment return, the 2nd NAN equipment is set for obtaining the 2nd NAN equipment with target NAN
The distance between standby information；
Processing unit 505, for according to the distance between the first NAN equipment and the 2nd NAN equipment information and the 2nd NAN
The distance between equipment and target NAN equipment information obtain the distance between the first NAN equipment and target NAN equipment information；
Determination unit 503, is also used to state and determines mesh according to the distance between the first NAN equipment and target NAN equipment information
Mark the position of NAN equipment.
Optionally, acquiring unit 502 obtains the distance between the first NAN equipment and target NAN equipment information, specifically:
Acquiring unit 502 carries out ranging with target NAN equipment and interacts, and obtains between the first NAN equipment and target NAN equipment
Range information.
Optionally, acquiring unit 502 is interacted with the progress ranging of target NAN equipment, obtains the first NAN equipment and target NAN
The distance between equipment information, specifically:
Acquiring unit 502 is measured to target NAN equipment transmission range and is requested；Target NAN equipment is for receiving distance
The rear of measurement request sends replying message for ranging request to the first NAN equipment, and target NAN equipment is also used to record
Target NAN equipment sends the first moment replied message to the first NAN equipment；
Acquiring unit 502, which determines, receives replying message for target NAN equipment transmission, and records to receive and reply message
Second moment；
Acquiring unit 502 is sent to target NAN equipment for the confirmation response message replied message, and records transmission confirmation
The third moment of response message；Target NAN equipment be also used to record target NAN equipment receive confirmation response message the 4th when
It carves, target NAN equipment is also used to send ranging message to the first NAN equipment, and ranging message includes the first moment and the 4th moment；
Acquiring unit 502 is true according to the first moment, the second moment, third moment, the 4th moment and signal velocity
Fixed the distance between first NAN equipment and target NAN equipment.
Optionally, NAN equipment device for searching 500 further includes third transmission unit 506, in which:
Third transmission unit 506, for when the first NAN equipment determine between the first NAN equipment and target NAN equipment away from
When from being less than pre-determined distance threshold value, the first NAN equipment sends instruction message to target NAN equipment, and instruction message is used to indicate mesh
It marks NAN equipment and issues alarm.
The NAN equipment device for searching 500 can be used for mobile terminal.
Implement NAN equipment device for searching shown in fig. 5, broadcast message can be sent in NAN and is set to find target NAN
It is standby, target NAN equipment can be quickly found by NAN.
Referring to Fig. 6, Fig. 6 is the structural schematic diagram of another kind mobile terminal disclosed in the embodiment of the present application.Such as Fig. 6 institute
Show, which includes processor 601 and memory 602, wherein mobile terminal 600 can also include bus 603, place
Reason device 601 and memory 602 can be connected with each other by bus 603, and bus 603 can be Peripheral Component Interconnect standard
(Peripheral Component Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended
Industry Standard Architecture, abbreviation EISA) bus etc..It is total that bus 603 can be divided into address bus, data
Line, control bus etc..Only to be indicated with a thick line in Fig. 6, it is not intended that an only bus or a type convenient for indicating
The bus of type.Wherein, mobile terminal 600 can also include input-output equipment 604, and input-output equipment 604 may include showing
Display screen, such as liquid crystal display.Memory 602 is used to store one or more programs comprising instruction；Processor 601 is for adjusting
With method and step some or all of in the above-mentioned Fig. 1 to Fig. 4 of instruction execution of storage in the memory 602.
Implement mobile terminal shown in fig. 6, broadcast message can be sent in NAN to find target NAN equipment, Ke Yitong
It crosses NAN and quickly finds target NAN equipment.
The embodiment of the present application also provides another mobile terminals, as shown in fig. 7, for ease of description, illustrate only with
The relevant part of the embodiment of the present application, it is disclosed by specific technical details, please refer to the embodiment of the present application method part.The movement
Terminal can be include mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS
Any terminal device such as (Point of Sales, point-of-sale terminal), vehicle-mounted computer, by taking mobile terminal is mobile phone as an example:
Fig. 7 shows the block diagram of the part-structure of mobile phone relevant to mobile terminal provided by the embodiments of the present application.Ginseng
Fig. 7 is examined, mobile phone includes: radio frequency (Radio Frequency, RF) circuit 910, memory 920, input unit 930, display unit
940, sensor 950, voicefrequency circuit 960, Wireless Fidelity (Wireless Fidelity, WiFi) module 970, processor 980,
And the equal components of power supply 990.It will be understood by those skilled in the art that handset structure shown in Fig. 7 is not constituted to mobile phone
It limits, may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
It is specifically introduced below with reference to each component parts of the Fig. 7 to mobile phone:
RF circuit 910 can be used for sending and receiving for information.In general, RF circuit 910 includes but is not limited to antenna, at least one
A amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition,
RF circuit 910 can also be communicated with network and other equipment by wireless communication.Any communication can be used in above-mentioned wireless communication
Standard or agreement, including but not limited to global system for mobile communications (Global System of Mobile
Communication, GSM), general packet radio service (General Packet Radio Service, GPRS), code it is point more
Location (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division
Multiple Access, WCDMA), long term evolution (Long Term Evolution, LTE), Email, short message service
(Short Messaging Service, SMS) etc..
Memory 920 can be used for storing software program and module, and processor 980 is stored in memory 920 by operation
Software program and module, thereby executing the various function application and data processing of mobile phone.Memory 920 can mainly include
Storing program area and storage data area, wherein storing program area can application journey needed for storage program area, at least one function
Sequence etc.；Storage data area, which can be stored, uses created data etc. according to mobile phone.In addition, memory 920 may include high speed
Random access memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or
Other volatile solid-state parts.
Input unit 930 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with
And the related key signals input of function control.Specifically, input unit 930 may include fingerprint recognition mould group 931 and other are defeated
Enter equipment 932.Fingerprint recognition mould group 931 can acquire the finger print data of user on it.In addition to fingerprint recognition mould group 931, input
Unit 930 can also include other input equipments 932.Specifically, other input equipments 932 can include but is not limited to touch-control
One of screen, physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc.
Or it is a variety of.
Display unit 940 can be used for showing information input by user or be supplied to user information and mobile phone it is various
Menu.Display unit 940 may include display screen 941, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the forms such as organic or inorganic light emitting diode (Organic Light-Emitting Diode, OLED) come
Configure display screen 941.
Mobile phone may also include at least one sensor 950, such as optical sensor, motion sensor, pressure sensor, temperature
Sensor and other sensors.Specifically, optical sensor may include ambient light sensor (also referred to as light sensor) and connect
Nearly sensor, wherein ambient light sensor can adjust the backlight illumination of mobile phone according to the light and shade of ambient light, and then adjust aobvious
The brightness of display screen 941, proximity sensor can close display screen 941 and/or backlight when mobile phone is moved in one's ear.As movement
One kind of sensor, accelerometer sensor can detect the size of (generally three axis) acceleration in all directions, can examine when static
Size and the direction for measuring gravity, can be used to identify mobile phone posture application (such as horizontal/vertical screen switching, magnetometer pose calibrating),
Vibration identification correlation function (such as pedometer, percussion) etc.；Gyroscope, barometer, the hygrometer, temperature that can also configure as mobile phone
The other sensors such as meter, infrared sensor are spent, details are not described herein.
Voicefrequency circuit 960, loudspeaker 961, microphone 962 can provide the audio interface between user and mobile phone.Audio-frequency electric
Electric signal after the audio data received conversion can be transferred to loudspeaker 961, be converted to sound by loudspeaker 961 by road 960
Signal plays；On the other hand, the voice signal of collection is converted to electric signal by microphone 962, is turned after being received by voicefrequency circuit 960
It is changed to audio data, then by after the processing of audio data playback process device 980, such as another mobile phone is sent to through RF circuit 910,
Or audio data is played to memory 920 to be further processed.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 970
Part, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 7 is shown
WiFi module 970, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can according to need do not changing completely
Become in the range of the essence of invention and omits.
Processor 980 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to
It crosses operation or executes the software program and/or module being stored in memory 920, and call and be stored in memory 920
Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 980 can wrap
Include one or more processing units；Preferably, processor 980 can integrate application processor and modem processor, wherein answer
With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles wireless communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 980.
Mobile phone further includes the power supply 990 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system and processor 980 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system
Etc. functions.
Mobile phone can also include camera 9100, and camera 9100 is for shooting image and video, and by the image of shooting
It is handled with transmission of video to processor 980.
Mobile phone can be with bluetooth module etc., and details are not described herein.
In earlier figures 1~embodiment shown in Fig. 4, each step method process can be realized based on the structure of the mobile phone.
The embodiment of the present application also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity
The computer program of subdata exchange, it is as any in recorded in above method embodiment which execute computer
A kind of some or all of NAN equipment finding method step.
The embodiment of the present application also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, the computer program are operable to that computer is made to execute such as above-mentioned side
Some or all of any NAN equipment finding method recorded in method embodiment step.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, technical solution of the present invention substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the present invention
Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English:
Random Access Memory, referred to as: RAM), disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention
There is change place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of NAN equipment finding method characterized by comprising
The first NAN equipment in the first NAN where sensing network NAN equipment to the first NAN equipment sends first
Broadcast message, first broadcast message carry the identification information of target NAN equipment；
If the first NAN equipment receives the target NAN equipment returns first in preset duration and determines message, described
First NAN equipment obtains the distance between the first NAN equipment and the target NAN equipment information；
The first NAN equipment is according to the determination of the distance between the first NAN equipment and the target NAN equipment information
The position of target NAN equipment.
2. the method according to claim 1, wherein the method also includes:
If the first NAN equipment does not receive the determination message that the target NAN equipment returns, institute in the preset duration
It states NAN equipment of the first NAN equipment into the first NAN and sends the message that floods, the message that floods carries the target NAN
The identification information of equipment；Wherein, the 2nd NAN equipment for receiving the message that floods is used for where the 2nd NAN equipment
The 2nd NAN network in send the second broadcast message, second broadcast message carries the mark letter of the target NAN equipment
Breath；When the 2nd NAN equipment receives the second determining message that the target NAN equipment returns in the preset duration
When, the 2nd NAN equipment is for obtaining the distance between the 2nd NAN equipment and the target NAN equipment information；
The first NAN equipment is according to the distance between the first NAN equipment and the 2nd NAN equipment information and described
The distance between 2nd NAN equipment and the target NAN equipment information obtain the first NAN equipment and set with the target NAN
The distance between standby information；
The first NAN equipment executes described according to the distance between the first NAN equipment and the target NAN equipment information
The step of determining the position of the target NAN equipment.
3. the method according to claim 1, wherein the first NAN equipment obtain the first NAN equipment with
The distance between target NAN equipment information, comprising:
The first NAN equipment carries out ranging with the target NAN equipment and interacts, and obtains the first NAN equipment and the mesh
Mark the distance between NAN equipment information.
4. according to the method described in claim 3, it is characterized in that, the first NAN equipment and the target NAN equipment carry out
Ranging interaction, obtains the distance between the first NAN equipment and the target NAN equipment information, comprising:
The first NAN equipment is measured to the target NAN equipment transmission range and is requested；The target NAN equipment is for connecing
It receives the rear of the ranging request and sends replying message for the ranging request to the first NAN equipment,
The target NAN equipment be also used to record the target NAN equipment to the first NAN equipment send described in reply message the
One moment；
The first NAN equipment determines that receiving the described of target NAN equipment transmission replies message, and records and receive institute
State the second moment replied message；
The first NAN equipment is sent to the target NAN equipment for the confirmation response message replied message, and is recorded
Send the third moment of the confirmation response message；The target NAN equipment is also used to record the target NAN equipment and receives
At 4th moment of the confirmation response message, the target NAN equipment, which is also used to send ranging to the first NAN equipment, to disappear
Breath, the ranging message include first moment and the 4th moment；
The first NAN equipment according to first moment, second moment, the third moment, the 4th moment with
And signal velocity determines the distance between the first NAN equipment and the target NAN equipment.
5. method according to claim 1-4, which is characterized in that the first NAN equipment is according to described first
After the distance between NAN equipment and the target NAN equipment information determine the position of the target NAN equipment, the method
Further include:
When the first NAN equipment determine the distance between the first NAN equipment and the target NAN equipment be less than it is default away from
When from threshold value, the first NAN equipment sends instruction message to the target NAN equipment, and the instruction message is used to indicate institute
It states target NAN equipment and issues alarm.
6. a kind of NAN equipment device for searching, which is characterized in that including the first transmission unit, acquiring unit and determination unit,
In:
First transmission unit sends the first broadcast for the NAN equipment into the first NAN where the first NAN equipment and disappears
Breath, first broadcast message carry the identification information of target NAN equipment；
The acquiring unit, for receiving what the target NAN equipment returned in preset duration when the first NAN equipment
When the first determining message, the distance between the first NAN equipment and the target NAN equipment information are obtained；
The determination unit, for determining institute according to the distance between the first NAN equipment and the target NAN equipment information
State the position of target NAN equipment.
7. device according to claim 6, which is characterized in that described device further includes that the second transmission unit and processing are single
Member, in which:
Second transmission unit, for not receiving the target NAN in the preset duration when the first NAN equipment
When the determination message that equipment returns, the NAN equipment into the first NAN sends the message that floods, and the message that floods carries institute
State the identification information of target NAN equipment；Wherein, the 2nd NAN equipment for receiving the message that floods is used for the 2nd NAN
The second broadcast message is sent in the 2nd NAN network where equipment, second broadcast message carries the target NAN equipment
Identification information；It is determined when the 2nd NAN equipment receives the second of the target NAN equipment return in the preset duration
When message, the 2nd NAN equipment is for obtaining the distance between the 2nd NAN equipment and the target NAN equipment information；
The processing unit, for according to the distance between the first NAN equipment and the 2nd NAN equipment information and institute
It states the distance between the 2nd NAN equipment and the target NAN equipment information and obtains the first NAN equipment and the target NAN
The distance between equipment information；
The determination unit is also used to state true according to the distance between the first NAN equipment and the target NAN equipment information
The position of the fixed target NAN equipment.
8. device according to claim 6, which is characterized in that the acquiring unit obtains the first NAN equipment and institute
The distance between target NAN equipment information is stated, specifically:
The acquiring unit carries out ranging with the target NAN equipment and interacts, and obtains the first NAN equipment and the target
The distance between NAN equipment information.
9. a kind of mobile terminal, which is characterized in that including processor and memory, the memory is for storing one or more
A program, one or more of programs are configured to be executed by the processor, and described program includes for executing such as right
It is required that the described in any item methods of 1-5.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing electron number
According to the computer program of exchange, wherein it is as described in any one in claim 1-5 that the computer program executes computer
Method.
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| CN114143704A (en) * | 2020-09-02 | 2022-03-04 | 中国移动通信集团四川有限公司 | Position information determining method and device and electronic equipment |
| CN114143704B (en) * | 2020-09-02 | 2023-06-30 | 中国移动通信集团四川有限公司 | Position information determining method and device and electronic equipment |
| CN112367659B (en) * | 2020-10-22 | 2022-05-06 | Tcl通讯（宁波）有限公司 | Scanning method, scanning device and storage medium |
| CN112367659A (en) * | 2020-10-22 | 2021-02-12 | Tcl通讯（宁波）有限公司 | Scanning method, scanning device and storage medium |
| CN112305523A (en) * | 2020-10-30 | 2021-02-02 | 成都四相致新科技有限公司 | Short-distance alarm method and system based on TOF |
| CN112491998A (en) * | 2020-11-18 | 2021-03-12 | 平安消费金融有限公司 | Message pushing method and related equipment |
| CN112491998B (en) * | 2020-11-18 | 2023-08-08 | 平安消费金融有限公司 | Message pushing method and related equipment |
| WO2022178788A1 (en) * | 2021-02-25 | 2022-09-01 | 北京小米移动软件有限公司 | Ranging method and apparatus, and user equipment and storage medium |
| CN113207084A (en) * | 2021-04-16 | 2021-08-03 | 南京大鱼半导体有限公司 | Method and device for searching terminal, storage medium and electronic equipment |
| CN113810859A (en) * | 2021-09-16 | 2021-12-17 | 珠海优特电力科技股份有限公司 | Equipment interval identification method, device, equipment and storage medium |
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