CN109429169A - A kind of method, apparatus that realizing wireless location and narrowband internet-of-things terminal - Google Patents
A kind of method, apparatus that realizing wireless location and narrowband internet-of-things terminal Download PDFInfo
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- CN109429169A CN109429169A CN201710718946.5A CN201710718946A CN109429169A CN 109429169 A CN109429169 A CN 109429169A CN 201710718946 A CN201710718946 A CN 201710718946A CN 109429169 A CN109429169 A CN 109429169A
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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
- H04W4/02—Services making use of location information
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- Position Fixing By Use Of Radio Waves (AREA)
Abstract
A kind of method, apparatus that realizing wireless location and narrowband internet-of-things terminal, comprising: receive the location information that Internet of Things (NB-IOT) terminal in narrowband is sent；The position of positioning terminal is determined according to the location information received.The embodiment of the present invention improves the locating effect of wireless location.
Description
Technical field
Present document relates to but be not limited to location technology, espespecially a kind of method, apparatus for realizing wireless location and narrowband Internet of Things
Terminal.
Background technique
Currently, providing the main method of positioning/navigation is method on the basis of satellite positioning by finding object of reference
It realizes, i.e., positioning terminal passes through Global Satellite Navigation System (GNSS, Global Navigation Satellite System)
After being positioned, if necessary to improve or verify positioning accuracy, the Wireless Fidelity around positioning terminal scanning is needed
(WiFi) or the hot spot signal that is issued as hot spot of bluetooth, since position when WiFi or bluetooth are as hot spot is relatively stable,
As long as the position where the positioning terminal can be oriented so theoretically the WiFi and bluetooth of surrounding are arrived in scanning.Theoretically, lead to
The general distance for being estimated that positioning terminal and hot spot to the measurement of signal strength is crossed, the precision of positioning is further promoted.
Promotion positioning accuracy can be played by positioning/navigation that WiFi and bluetooth carry out positioning terminal as hot spot, very
To the purpose for reducing GNSS system error, but the above method is had the following problems:
1, positioning accuracy problem: the effective communication distance of bluetooth and WiFi are usually 10 meters or so；And by user demand
It influences, it is to 100 meters or even farther to enhance its communication distance by increasing WiFi signal intensity by user.And pass through WiFi and bluetooth
In the method for carrying out auxiliary positioning, (10 meters) are calculated with the effective communication distance of household WiFi and bluetooth mostly, work as positioning
Terminal can not determine its transmission power when searching hot spot, be positioned on the basis of not knowing its coverage area,
Positioning/navigation precision is not can guarantee；
2, hot information problem: if it is desired to carrying out auxiliary positioning as hot spot by WiFi and bluetooth, primary is a bit
Determine the coordinate of hot spot.And it is huge to collect the manpower and material resources cost that these coordinates need to put into；Most of collected hot spot
All it is that private home or some unit use, the coordinate collection of these hot spots certainly will be needed to authorize, treatment process is many and diverse；
In addition, if hotspot location changes and is not updated, for example user's removal of home or hot spot pass through user interface
(uFi) product provides, if positioned by these hot spots, certainly will also will affect positioning accuracy.
To sum up, either positioning accuracy problem or hot information problem, all influence wireless location effect, influence wireless
The application of location technology.
Summary of the invention
It is the general introduction to the theme being described in detail herein below.This general introduction is not the protection model in order to limit claim
It encloses.
The embodiment of the present invention provides a kind of method, apparatus for realizing wireless location and narrowband internet-of-things terminal, is able to ascend
The locating effect of wireless location technology.
The embodiment of the invention provides a kind of methods for realizing wireless location, comprising:
Receive the location information that Internet of Things NB-IOT terminal in narrowband is sent；
The position of positioning terminal is determined according to the location information received.
Optionally, the NB-IOT terminal includes:
According to two or more NB-IOT terminals of preset geometry distribution setting；
Wherein, the distribution density of described two or more than two NB-IOT terminals of setting is greater than or equal to pre-set density.
Optionally, the distribution density of described two or more than two NB-IOT terminals of setting is greater than the pre-set density
When, the method also includes:
The NB-IOT terminal for meeting the pre-set density is selected from all NB-IOT terminals of setting with polling mode, with
Receive the location information that the NB-IOT terminal of selection is sent.
Optionally, the location information for receiving the transmission of NB-IOT terminal includes:
Each NB-IOT terminal that can be carried out wireless communication with the positioning terminal is received, is sent according to preset sending cycle
: the coordinate of NB-IOT terminal and instant wireless communication distance；
Wherein, the instant wireless communication distance of the NB-IOT terminal is according to the transmitting function of preset NB-IOT terminal
Rate determines.
Optionally, when receive in location information include the same NB-IOT terminal different instant wireless communication distances
When, the location information that the NB-IOT terminal that the basis receives is sent determines that the position of positioning terminal includes:
The position that the smallest instant wireless communication distance in location information determines positioning terminal is sent according to NB-IOT terminal
It sets.
Optionally, the location information that the NB-IOT terminal that the basis receives is sent determines the position packet of positioning terminal
It includes:
Determine the smallest instant wireless communication distance for the NB-IOT terminal for including in all location informations received, and
Determine that the sending cycle for sending the location information comprising the smallest instant wireless communication distance is locating periodically；
In the determining locating periodically, when only receiving the location information of NB-IOT terminal transmission, with described
Position of the coordinate of NB-IOT terminal in location information as the positioning terminal；
In the determining locating periodically, when receiving the location information of two NB-IOT terminals transmission, with described fixed
The coordinate for each the NB-IOT terminal for including in the information of position and instant wireless communication distance, determine the letter of two NB-IOT terminals
The intersection of number overlay area, using the geometric center of the determining intersection as the position of the positioning terminal；
In the determining locating periodically, when receiving the location information of three NB-IOT terminals transmission, with described fixed
The coordinate for each the NB-IOT terminal for including in the information of position and instant wireless communication distance, determine the letter of three NB-IOT terminals
The intersection of number overlay area, using the geometric center of determining intersection as the position of the positioning terminal.
Optionally, the method also includes: according to each described NB-IOT terminal of the differentiation data separation pre-established,
And record the coordinate of each NB-IOT terminal.
On the other hand, the embodiment of the present invention also provides a kind of computer storage medium, is stored in computer storage medium
Computer executable instructions, the method that computer executable instructions are used to execute above-mentioned realization wireless location.
In another aspect, the embodiment of the present invention also provides a kind of method for realizing wireless location, comprising:
Narrowband Internet of Things NB-IOT terminal sends location information.
Optionally, before this method further include:
It determines the coordinate of NB-IOT terminal and sends the transmission power of location information, by the seat of determining NB-IOT terminal
Described in mark, the instant wireless communication distance corresponding to the transmission power, and/or the wireless communication distance set that can communicate are used as
Location information.
Optionally, the transmission location information includes:
The location information is sent with different transmission power according to preset sending cycle.
Optionally, the transmission location information includes:
In a manner of poll, the location information is sent according to preset sending cycle.
Also on the one hand, the embodiment of the present invention also provides a kind of computer storage medium, is stored in computer storage medium
Computer executable instructions, the method that computer executable instructions are used to execute above-mentioned realization wireless location.
Also on the one hand, the embodiment of the present invention also provides a kind of device for realizing wireless location, comprising: receiving unit and positioning
Unit；Wherein,
Receiving unit is used for: receiving the location information that Internet of Things NB-IOT terminal in narrowband is sent；
Positioning unit is used for: the position of positioning terminal is determined according to the location information received.
Optionally, the NB-IOT terminal includes:
According to two or more NB-IOT terminals of preset geometry distribution setting；
Wherein, the distribution density of described two or more than two NB-IOT terminals of setting is greater than or equal to pre-set density.
Optionally, the receiving unit is specifically used for: receiving each NB- that can be carried out wireless communication with the positioning terminal
IOT terminal is sent according to preset sending cycle: the coordinate of NB-IOT terminal, instant wireless communication distance, and/or can be led to
The wireless communication distance set of letter；
Wherein, the instant wireless communication distance of the NB-IOT terminal is according to the transmitting function of preset NB-IOT terminal
Rate determines.
Optionally, the positioning unit is specifically used for:
Determine the smallest instant wireless communication distance for the NB-IOT terminal for including in all location informations received, and
Determine that the sending cycle for sending the location information comprising the smallest instant wireless communication distance is locating periodically；
In the determining locating periodically, when only receiving the location information of NB-IOT terminal transmission, with described
Position of the coordinate of NB-IOT terminal in location information as the positioning terminal；
In the determining locating periodically, when receiving the location information of two NB-IOT terminals transmission, with described fixed
The coordinate for each the NB-IOT terminal for including in the information of position and instant wireless communication distance, determine the letter of two NB-IOT terminals
The intersection of number overlay area, using the geometric center of the determining intersection as the position of the positioning terminal；
In the determining locating periodically, when receiving the location information of three NB-IOT terminals transmission, with described fixed
The coordinate for each the NB-IOT terminal for including in the information of position and instant wireless communication distance, determine the letter of three NB-IOT terminals
The intersection of number overlay area, using the geometric center of determining intersection as the position of the positioning terminal.
Optionally, described device further includes recording unit, for according to each institute of differentiation data separation pre-established
NB-IOT terminal is stated, and records the coordinate of each NB-IOT terminal.
Also on the one hand, the embodiment of the present invention also provides a kind of NB-IOT terminal for realizing wireless location, comprising: sends single
Member is used for: sending location information.
Optionally, the NB-IOT terminal further includes determination unit, is determined for determining the coordinate of NB-IOT terminal and sending
Position information transmission power, by the coordinate of determining NB-IOT terminal, corresponding to the transmission power it is instant wirelessly communicate away from
From, and/or the wireless communication distance set that can communicate as the location information.
Optionally, the transmission unit is specifically used for: described in being sent according to preset sending cycle with different transmission power
Location information.
Also on the one hand, the embodiment of the present invention also provides a kind of terminal, comprising: memory and processor；Wherein,
Processor is configured as executing the program instruction in memory；
Program instruction reads in processor and executes following operation:
Receive the location information that Internet of Things NB-IOT terminal in narrowband is sent；
The position of positioning terminal is determined according to the location information received.
Compared with the relevant technologies, technical scheme includes: the positioning for receiving narrowband Internet of Things NB-IOT terminal and sending
Information；The position of positioning terminal is determined according to the location information received.The embodiment of the present invention improves the positioning of wireless location
Effect avoids the hot information problem for occurring using WiFi and bluetooth to occur as hot spot.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the flow chart for the method that the embodiment of the present invention realizes wireless location；
Fig. 2 is the schematic diagram for the position that the embodiment of the present invention determines positioning terminal；
Fig. 3 is the schematic diagram for the position that another embodiment of the present invention determines positioning terminal；
Fig. 4 is the schematic diagram for the position that yet another embodiment of the invention determines positioning terminal；
Fig. 5 is the flow chart for the method that another embodiment of the present invention realizes wireless location；
Fig. 6 is the structural block diagram for the device that the embodiment of the present invention realizes wireless location；
Fig. 7 is the structural block diagram for the NB-IOT terminal that the embodiment of the present invention realizes wireless location；
Fig. 8 is that the present invention applies exemplary method flow diagram.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
Fig. 1 is the flow chart for the method that the embodiment of the present invention realizes wireless location, as shown in Figure 1, comprising:
Step 101 receives the location information that Internet of Things (NB-IOT) terminal in narrowband is sent；
It should be noted that the distribution of NB-IOT terminal is fixed in the related art, and can be in a sector
The quantity of the NB-IOT terminal of receiving can be used to implement the positioning that precision is meter level；Therefore, using NB-IOT terminal as reference
The positioning requirements of certain precision may be implemented in node.
Optionally, NB-IOT of embodiment of the present invention terminal includes:
According to two or more NB-IOT terminals of preset geometry distribution setting；
Wherein, the distribution density of described two or more than two NB-IOT terminals of setting is greater than or equal to pre-set density.
It should be noted that pre-set density can be configured according to positioning accuracy request；Theoretically, positioning accuracy request
Higher, the value of pre-set density is bigger, i.e., the quantity of NB-IOT terminal is more in fixed area.
Optionally, the distribution density of described two or more than two NB-IOT terminals of setting is greater than the pre-set density
When, present invention method further include:
The NB-IOT terminal for meeting the pre-set density is selected from all NB-IOT terminals of setting with polling mode, with
Receive the location information that the NB-IOT terminal of selection is sent.
It should be noted that the polling cycle of polling mode can be carried out according to the distribution density of NB-IOT terminal in network
It determines, the distribution density of NB-IOT terminal is bigger, and polling cycle is about big.
Optionally, the location information of reception of embodiment of the present invention NB-IOT terminal transmission includes:
Each NB-IOT terminal that can be carried out wireless communication with the positioning terminal is received, is sent according to preset sending cycle
: the coordinate of NB-IOT terminal, instant wireless communication distance, and/or the wireless communication distance set that can be communicated；
Wherein, the instant wireless communication distance of the NB-IOT terminal is according to the transmitting function of preset NB-IOT terminal
Rate determines.
Here, instant wireless communication distance is the wireless communication distance of the currently transmitted location information of NB-IOT terminal, can be led to
The wireless communication distance set of letter includes: after being configured to NB-IOT terminal, it is assumed that positioning terminal NB-IOT terminal most
Small wireless communication distance is formed by coverage area, and all wireless communications of location information transmission may be implemented in NB-IOT terminal
Distance.The wireless communication distance set of different NB-IOT terminals communicated may be the same or different.
It should be noted that the embodiment of the present invention can be according to existing signal attenuation model in the related technology or on the spot
The mode of measurement determines the mapping relations of instant wireless communication distance and transmission power, and NB-IOT end is arranged according to mapping relations
End sends location information according to different transmission power, in location information comprising corresponding to transmission power it is instant wirelessly communicate away from
From.
Step 102, the position that positioning terminal is determined according to the location information received.
It should be noted that the embodiment of the present invention can determine positioning eventually using the location information received in certain time length
The position at end, such as determine with the location information that three, NB-IOT terminal continuous sending cycles are sent the position of positioning terminal.
Optionally, the embodiment of the present invention is different instant comprising the same NB-IOT terminal in location information when receive
When wireless communication distance, the position for determining positioning terminal according to the location information that the NB-IOT terminal received is sent includes:
The position that the smallest instant wireless communication distance in location information determines positioning terminal is sent according to NB-IOT terminal
It sets.
Optionally, the embodiment of the present invention determines positioning terminal according to the location information that the NB-IOT terminal received is sent
Position includes:
Determine the smallest instant wireless communication distance for the NB-IOT terminal for including in all location informations received, and
Determine that the sending cycle for sending the location information comprising the smallest instant wireless communication distance is locating periodically；
Here, suppose that in three sending cycles, positioning terminal receive in three sending cycles can and positioning terminal
The location information that the NB-IOT terminal communicated is sent；Wherein, first sending cycle, three NB-IOT terminals are with preparatory
The maximum transmission power of setting sends location information, and positioning terminal receives the letter of three parts of positioning from three NB-IOT terminals
Breath；Second sending cycle, three NB-IOT terminals send location information with preset medium transmission power, and positioning is eventually
Termination receives two parts of location informations from two NB-IOT terminals；Third sending cycle, three NB-IOT terminals with
Preset minimum emissive power sends location information, and positioning terminal does not receive location information；Then include in location information
NB-IOT terminal the smallest instant wireless communication distance in second sending cycle, using second sending cycle as positioning
Period.
In the determining locating periodically, when only receiving the location information of NB-IOT terminal transmission, with described
Position of the coordinate of NB-IOT terminal in location information as the positioning terminal；Fig. 2 is that the embodiment of the present invention determines positioning
The schematic diagram of the position of terminal, as shown in Fig. 2, in first sending cycle, positioning terminal receives instant wireless communication distance
The location information for the NB-IOT terminal 2 that location information, instant wireless communication distance for the NB-IOT terminal 1 of D11 are D21, i.e.
When wireless communication distance be D31 NB-IOT terminal 3 location information；In second sending cycle, only receive immediately wireless
Communication distance is the location information of the NB-IOT terminal 1 of D12 (D12 is less than D11, D21 and D31)；In third sending cycle, not
Location information is received, at this point, the coordinate of NB-IOT terminal 1 to be determined as to the position of positioning terminal.Here, the embodiment of the present invention
The intersection of the signal coverage areas of three NB-IOT terminals, root can also be determined according to the location information of first sending cycle
The sector 1 that the coordinate of NB-IOT terminal 1 and intersection position are constituted is determined according to intersection, is set with the coordinate of NB-IOT terminal 1 as circle
The heart, using D12 as the overlapping region in the circle of radius, with determining sector 1；By the center of overlapping region, or otherwise really
Position of one point of fixed overlapping region as positioning terminal of the embodiment of the present invention.
This application example can also be determined according to instant wireless communication distance and the wireless communication distance that can be communicated set
The positioning of position terminal；Such as the wireless communication distance set of NB-IOT terminal communicated includes D1, D2 and D3；Assuming that positioning
Terminal determines that only receive a NB-IOT terminal is sent out with instant wireless communication distance D1 and D2 according to the location information received
The location information sent does not receive the location information that NB-IOT terminal is sent with D3, then may determine that positioning terminal be located at
D2 and D3 make in the annulus of concentric circles.
In the determining locating periodically, when receiving the location information of two NB-IOT terminals transmission, with described fixed
The coordinate for each the NB-IOT terminal for including in the information of position and instant wireless communication distance, determine the letter of two NB-IOT terminals
The intersection of number overlay area, using the geometric center of the determining intersection as the position of the positioning terminal；Fig. 3 is the present invention
Another embodiment determines the schematic diagram of the position of positioning terminal, as shown in figure 3, positioning terminal receives in first sending cycle
To instant wireless communication distance be D11 NB-IOT terminal 1 location information, instant wireless communication distance be D21 NB-IOT
The location information of the location information of terminal 2, the NB-IOT terminal 3 that instant wireless communication distance is D31；Second transmission week
Phase receives NB-IOT terminal 1 and instant channel radio that instant wireless communication distance is D12 (D12 is less than D11, D21 and D31)
Communication distance is the location information of the NB-IOT terminal 2 of D22 (D22 is less than D11, D21 and D31)；In third sending cycle, do not connect
Location information is received, at this point, the NB-IOT terminal 1 and instant wireless communication distance that are D12 according to instant wireless communication distance are
The location information of the NB-IOT terminal 2 of D22 determines the position of positioning terminal.
In the determining locating periodically, when receiving the location information of three NB-IOT terminals transmission, with described fixed
The coordinate for each the NB-IOT terminal for including in the information of position and instant wireless communication distance, determine the letter of three NB-IOT terminals
The intersection of number overlay area, using the geometric center of determining intersection as the position of the positioning terminal.Fig. 4 is that the present invention is another
Embodiment determines the schematic diagram of the position of positioning terminal, as shown in figure 4, in first sending cycle, positioning terminal is received i.e.
When wireless communication distance be D11 NB-IOT terminal 1 location information, instant wireless communication distance be D21 NB-IOT terminal 2
Location information, instant wireless communication distance be D31 NB-IOT terminal 3 location information；In second sending cycle and
Three sending cycles, do not receive location information, at this point, according to the NB-IOT terminal 1 that instant wireless communication distance is D11
Location information, the instant wireless communication distance for the NB-IOT terminal 2 that location information, instant wireless communication distance are D21 are D31's
The location information of NB-IOT terminal 3 determines the position of positioning terminal.Such as the position of positioning terminal is calculated with line-of-sight course.
It should be noted that the method for the position of above-mentioned determining positioning terminal is the optional method of the embodiment of the present invention, this
Inventive embodiments can also carry out the position of positioning terminal according to the location information received using other methods in the related technology
The determination set.
Optionally, present invention method further include: according to each described NB- of the differentiation data separation pre-established
IOT terminal, and record the coordinate of each NB-IOT terminal.
It should be noted that the embodiment of the present invention can record each NB-IOT end with positioning terminal or pre-set server
The coordinate at end is equivalent to the coordinate of NB-IOT terminal in location information is pre- when the coordinate to NB-IOT terminal records
It is first stored in and carries out on the device that positioning terminal position determines, including positioning terminal itself or pre-set server, work as hair
When sending location information, adjustable location information is differentiation information and instant wireless communication distance comprising NB-IOT terminal.
The embodiment of the present invention also provides a kind of computer storage medium, and computer is stored in computer storage medium to be held
Row instruction, the method that computer executable instructions are used to execute above-mentioned realization wireless location.
The embodiment of the present invention also provides a kind of terminal, comprising: memory and processor；Wherein,
Processor is configured as executing the program instruction in memory；
Program instruction reads in processor and executes following operation:
Receive the location information that Internet of Things NB-IOT terminal in narrowband is sent；
The position of positioning terminal is determined according to the location information received.
Fig. 5 is the flow chart for the method that another embodiment of the present invention realizes wireless location, as shown in Figure 5, comprising:
Step 501, narrowband Internet of Things NB-IOT terminal send location information.
Optionally, the embodiment of the present invention, before step 501 further include:
Step 500, the coordinate for determining NB-IOT terminal and the transmission power for sending location information, determining NB-IOT is whole
The coordinate at end, the instant wireless communication distance corresponding to the transmission power, and/or the wireless communication distance collection cooperation that can communicate
For location information.
Optionally, transmission of embodiment of the present invention location information includes:
The location information is sent with different transmission power according to preset sending cycle.
Optionally, transmission of embodiment of the present invention location information includes:
In a manner of poll, the location information is sent according to preset sending cycle.It specifically includes: when NB-IOT terminal
Distribution density when being greater than pre-set density, all NB-IOT terminals send positioning letter referring to pre-set densities by the way of poll
Breath, i.e. NB-IOT terminal do not carry out the transmission of location information every a period of time according to preset sending cycle, send certain time length
Enter suspend mode afterwards.
The embodiment of the present invention also provides a kind of computer storage medium, and computer is stored in computer storage medium to be held
Row instruction, the method that computer executable instructions are used to execute above-mentioned realization wireless location.
Fig. 6 is the structural block diagram for the device that the embodiment of the present invention realizes wireless location, as shown in Figure 6, comprising: receiving unit
And positioning unit；Wherein,
Receiving unit is used for: receiving the location information that Internet of Things NB-IOT terminal in narrowband is sent；
Optionally, NB-IOT of embodiment of the present invention terminal includes:
According to two or more NB-IOT terminals of preset geometry distribution setting；
Wherein, the distribution density of described two or more than two NB-IOT terminals of setting is greater than or equal to pre-set density.
Optionally, receiving unit of the embodiment of the present invention is specifically used for: reception can be carried out wireless communication with the positioning terminal
Each NB-IOT terminal, sent according to preset sending cycle: the coordinate of NB-IOT terminal, instant wireless communication distance and/
Or the wireless communication distance set that can be communicated；
Wherein, the instant wireless communication distance of the NB-IOT terminal is according to the transmitting function of preset NB-IOT terminal
Rate determines.
Positioning unit is used for: the position of positioning terminal is determined according to the location information received.
It should be noted that the device of that embodiment of the invention can be set in the positioning terminal for needing to position, it can be by fixed
Position terminal itself realizes the determination of position, after can also being communicated by positioning unit with the foundation of preset server, will position
Information is sent to server, after server calculates the position for determining positioning terminal, then feeds back to positioning terminal.
Optionally, positioning unit of the embodiment of the present invention is specifically used for:
Determine the smallest instant wireless communication distance for the NB-IOT terminal for including in all location informations received, and
Determine that the sending cycle for sending the location information comprising the smallest instant wireless communication distance is locating periodically；
In the determining locating periodically, when only receiving the location information of NB-IOT terminal transmission, with described
Position of the coordinate of NB-IOT terminal in location information as the positioning terminal；
In the determining locating periodically, when receiving the location information of two NB-IOT terminals transmission, with described fixed
The coordinate for each the NB-IOT terminal for including in the information of position and instant wireless communication distance, determine the letter of two NB-IOT terminals
The intersection of number overlay area, using the geometric center of the determining intersection as the position of the positioning terminal；
In the determining locating periodically, when receiving the location information of three NB-IOT terminals transmission, with described fixed
The coordinate for each the NB-IOT terminal for including in the information of position and instant wireless communication distance, determine the letter of three NB-IOT terminals
The intersection of number overlay area, using the geometric center of determining intersection as the position of the positioning terminal.
Optionally, the device of that embodiment of the invention further includes recording unit, for according to the differentiation data separation pre-established
Each described NB-IOT terminal, and record the coordinate of each NB-IOT terminal.
Fig. 7 is the structural block diagram for the NB-IOT terminal that the embodiment of the present invention realizes wireless location, as shown in fig. 7, comprises: hair
Unit is sent, is used for: sending location information.
Optionally, the NB-IOT terminal further includes determination unit, is determined for determining the coordinate of NB-IOT terminal and sending
Position information transmission power, by the coordinate of determining NB-IOT terminal, corresponding to the transmission power it is instant wirelessly communicate away from
From, and/or the wireless communication distance set that can communicate as location information.
Optionally, transmission unit of the embodiment of the present invention is specifically used for: according to preset sending cycle with different transmission power
Send the location information.
Present invention method is carried out to understand detailed description below by way of using example, is only used for using example old
The present invention is stated, is not intended to limit the scope of protection of the present invention.
Using example
Fig. 8 is that the present invention applies exemplary method flow diagram, as shown in Figure 8, comprising:
Step 800, deployment NB-IOT terminal；Deployment NB-IOT terminal includes according to scene difference according to preset geometry point
NB-IOT terminal is arranged in cloth, and determines the coordinate of the NB-IOT terminal of setting.Specifically, this application example is by NB-IOT terminal part
Administration is the hot spot for carrying out wireless location；When disposing hot spot, the coordinate of hot spot can be uploaded into positioning terminal or preset
Server；To distinguish each hot spot, corresponding distinguishing identifier is set for each hot spot or coding is used as and distinguishes information；This application
Example can not also upload coordinate, using coordinate as a part of location information, when that can communicate with positioning terminal, will include
The location information of coordinate is transmitted directly to positioning terminal.Due to NB-IOT terminal once disposing, position is generally constant, so should
With example, there is no influence accuracy due to hotspot location variation.When NB-IOT terminal is disposed for different scenes
When the positioning of interior positioning terminal, between those skilled in the art can be arranged between NB-IOT terminals according to the different analyses of scene
Away from.Such as the spacing that can be set in tunnel for the NB-IOT terminal of wireless location is less than tunnel width；It can build
More NB-IOT terminal is arranged in object density area, to guarantee the positioning accuracy of positioning terminal；It is fixed to low precision is partially only needed
The lower NB-IOT terminal of distribution density is arranged in the region of position.This application example can be by this field skill according to required precision
Art personnel determine the distribution density of NB-IOT terminal, it is assumed that need to reach the distribution density of the NB-IOT terminal of positioning accuracy request
Wireless location the relevant technologies are referred to when the distribution density of NB-IOT terminal is equal to pre-set density for pre-set density, are determined
NB-IOT terminal sends the frequency of location information, i.e., setting NB-IOT terminal sends location information according to sending cycle；Work as NB-
The distribution density of IOT terminal be greater than pre-set density when, according to polling mode from all NB-IOT terminals selected section NB-IOT
Terminal carries out the transmission of location information, and the distribution density for sending the NB-IOT terminal of location information should be equal to pre-set density；I.e.
According to preset selection strategy, a part of NB-IOT terminal is selected to carry out the transmission of location information each time, NB-IOT is whole
It when end is worked according to selection strategy, can work long hours to avoid the NB-IOT terminal in network, promote wireless location system
The use duration of system；In addition, the selection by NB-IOT terminal is believed when can work at the same time to avoid excessive NB-IOT terminal
Number interference, improve alignment quality.
Step 801, the instant wireless communication distance for setting NB-IOT terminal；This application example is according to the electricity of NB-IOT terminal
Amount, power consumption etc. set the instant wireless communication distance of minimum and maximum instant wireless communication distance of NB-IOT terminal；I.e. by setting
The transmitting range for determining NB-IOT terminal sets the instant wireless communication distance of NB-IOT terminal；Referring to the relevant technologies and determine
Position accuracy requirement, the transmitting range that NB-IOT terminal can be set is 3~5 meters；In addition, this application example can also be according to reality
Application scenarios carry out analysis and regulation.Since the sector of a NB-IOT network can accommodate 100,000 NB-IOT terminals, i.e.,
Just each NB-IOT terminal only has 3~5 meters of transmitting range, and the NB-IOT terminal in sector can also cover entire sector.
When NB-IOT terminal disposition amount is bigger, the positioning accuracy that may be implemented is higher.This application example is according to signal in the related technology
Attenuation model or field survey determine the transmission power of NB-IOT terminal and the relationship of instant wireless communication distance；May include:
NB- is determined according to the signal attenuation model of the scenes such as business district, residential block, building compact district, countryside, highway and tunnel
The relationship of the transmission power of IOT terminal and instant wireless communication distance.
Step 802, NB-IOT terminal send location information；Wherein, location information may include: the seat of NB-IOT terminal
Mark, instant wireless communication distance, and/or the instant wireless communication distance of wireless communication distance set that can be communicated；
Optionally, this application embodiment setting NB-IOT terminal sends location information according to preset sending cycle；It is optional
, location information periodically is sent according to different transmission powers, different transmission power is wanted according to instant wireless communication distance
Setting is asked, the setting of instant wireless communication distance improves positioning accuracy for reducing the orientation range of positioning terminal；This application is shown
Example can realize the control to the instant wireless communication distance of NB-IOT terminal by control transmission power, it is assumed that setting NB-IOT
Maximum instant wireless communication distance D meters of terminal, to reduce d meters every T seconds (sending cycle can be equal in T seconds), reach diminution
The purpose of orientation range；In the location information that then first sending cycle is sent, the instant wireless communication distance of NB-IOT terminal
It is D meters；In the location information that second sending cycle is sent, the instant wireless communication distance of NB-IOT terminal is (D-d) rice；The
In the location information that three sending cycles are sent, the instant wireless communication distance of NB-IOT terminal is (D-2d) rice；Immediately wireless
Communication distance.Such as with the instant wireless communication distance of NB-IOT terminal be 5 meters, 4 meters, 3 meters of sequence, according to preset transmission
Period sends location information.Certainly, the instant wireless communication distance of each T seconds diminution of this application example can also be different, such as
Second sending cycle reduces d1 meters compared with first sending cycle, instant wireless communication distance；Third sending cycle is compared with second
A sending cycle, instant wireless communication distance reduce d2 meters；4th sending cycle is compared with third sending cycle, instant channel radio
Communication distance reduces d3 meters；d1>d2>d3.
The relevant technologies that the sending cycle of NB-IOT terminal is referred to wireless location realize that is, NB-IOT terminal sends fixed
The frequency size for needing location information that the frequency of position information is referred to set in wireless location technology is set；Determined
When the positioning of position terminal, the location information for receiving how many a sending cycles is also referred to the relevant technologies and is set；This application
The period size that example is referred to send location information according to different transmission powers is adjusted, for example, with NB-IOT end
End carries out the total duration of the transmission of the location information of a cycle according to different transmission powers, determines as to positioning terminal
One unit time of position.Step 803, the positioning that positioning terminal is carried out according to the location information received；This application example can
It is positioned, can also be sent location information by positioning terminal preset with being realized by positioning terminal itself according to location information
After server, behind the position that positioning terminal is determined by server, then positioning terminal is fed back to.
It should be noted that NB-IOT can be set when this application example NB-IOT terminal is only used for realizing wireless location
Terminal only carries out One-to-All Broadcast communication, can be linked by the setting to avoid NB-IOT terminal and other communication equipments.This
Using example, NB-IOT terminal can use omni-directional antenna, be also possible to orthotype antenna.It, can if it is orthotype antenna
Location information is written in the launch angle of its antenna, to reduce orientation range, positioning accuracy is improved.
This application example can be applied to different positioning scenes, such as applied to the navigation of highway, in order to guarantee
Alignment quality can be packaged storage to positioning terminal, such as by distinguishing the information area using a part of location information as preparatory
After each NB-IOT terminal of administration, branch, establishes the differentiation information of NB-IOT terminal and the corresponding of the coordinate of NB-IOT terminal is closed
After system, by the part, location information is pre-reserved to positioning terminal, when positioning terminal is positioned, directly determines and establishes communication link
The NB-IOT terminal connect is positioned according to the NB-IOT terminal for determining foundation communication connection；In addition, different scenes are directed to, it is real
The method now positioned can be distinguished, such as in highway, NB-IOT terminal can only with fixed transmission power, i.e., with
Fixed instant wireless communication distance carries out the transmission of location information；In city, building or pedestrian can be set compared with multizone
NB-IOT terminal sends location information according to a variety of transmission powers, to reduce orientation range, improves positioning accuracy.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program
Related hardware (such as processor) is completed, and described program can store in computer readable storage medium, as read-only memory,
Disk or CD etc..Optionally, one or more integrated circuits also can be used in all or part of the steps of above-described embodiment
It realizes.Correspondingly, each module/unit in above-described embodiment can take the form of hardware realization, such as pass through integrated electricity
Its corresponding function is realized on road, can also be realized in the form of software function module, such as is stored in by processor execution
Program/instruction in memory realizes its corresponding function.The present invention is not limited to the hardware and softwares of any particular form
In conjunction with.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (22)
1. a kind of method for realizing wireless location characterized by comprising
Receive the location information that Internet of Things NB-IOT terminal in narrowband is sent；
The position of positioning terminal is determined according to the location information received.
2. the method according to claim 1, wherein the NB-IOT terminal includes:
According to two or more NB-IOT terminals of preset geometry distribution setting；
Wherein, the distribution density of described two or more than two NB-IOT terminals of setting is greater than or equal to pre-set density.
3. according to the method described in claim 2, it is characterized in that, the described two or more than two NB-IOT terminals of setting
When distribution density is greater than the pre-set density, the method also includes:
The NB-IOT terminal for meeting the pre-set density is selected, from all NB-IOT terminals of setting with polling mode to receive
The location information that the NB-IOT terminal of selection is sent.
4. described in any item methods according to claim 1~3, which is characterized in that described to receive determining for NB-IOT terminal transmission
Position information include:
Each NB-IOT terminal that can be carried out wireless communication with the positioning terminal is received, is sent according to preset sending cycle:
The coordinate of NB-IOT terminal, instant wireless communication distance, and/or the wireless communication distance set that can be communicated；
Wherein, the instant wireless communication distance of the NB-IOT terminal is true according to the transmission power of preset NB-IOT terminal
It is fixed.
5. according to the method described in claim 4, it is characterized in that, whole comprising the same NB-IOT in location information when receiving
When the different instant wireless communication distances at end, the location information that the NB-IOT terminal that the basis receives is sent determines positioning
The position of terminal includes:
The position that the smallest instant wireless communication distance in location information determines positioning terminal is sent according to NB-IOT terminal.
6. according to the method described in claim 4, it is characterized in that, the positioning that the NB-IOT terminal that the basis receives is sent
Information determines that the position of positioning terminal includes:
It determines the smallest instant wireless communication distance for the NB-IOT terminal for including in all location informations received, and determines
The sending cycle for sending the location information comprising the smallest instant wireless communication distance is locating periodically；
In the determining locating periodically, when only receiving the location information of NB-IOT terminal transmission, with the positioning
Position of the coordinate of NB-IOT terminal in information as the positioning terminal；In the determining locating periodically, receive
When the location information that two NB-IOT terminals are sent, with the coordinate of each NB-IOT terminal for including in the location information and
Instant wireless communication distance determines the intersection of the signal coverage areas of two NB-IOT terminals, with the several of the determining intersection
What position of the center as the positioning terminal；
In the determining locating periodically, when receiving the location information of three NB-IOT terminals transmission, with positioning letter
The coordinate for each the NB-IOT terminal for including in breath and instant wireless communication distance determine that the signal of three NB-IOT terminals covers
The intersection of cover area, using the geometric center of determining intersection as the position of the positioning terminal.
7. described in any item methods according to claim 1~3, which is characterized in that the method also includes: according to pre-establishing
Differentiation data separation each described NB-IOT terminal, and record the coordinate of each NB-IOT terminal.
8. a kind of method for realizing wireless location characterized by comprising
Narrowband Internet of Things NB-IOT terminal sends location information.
9. according to the method described in claim 8, it is characterized in that, before this method further include:
It determines the coordinate of NB-IOT terminal and sends the transmission power of location information, by the coordinate of determining NB-IOT terminal, right
The instant wireless communication distance of transmission power described in Ying Yu, and/or the wireless communication distance set that can be communicated are as location information.
10. method according to claim 8 or claim 9, which is characterized in that the transmission location information includes:
The location information is sent with different transmission power according to preset sending cycle.
11. method according to claim 8 or claim 9, which is characterized in that the transmission location information includes:
In a manner of poll, the location information is sent according to preset sending cycle.
12. a kind of device for realizing wireless location characterized by comprising receiving unit and positioning unit；Wherein,
Receiving unit is used for: receiving the location information that Internet of Things NB-IOT terminal in narrowband is sent；
Positioning unit is used for: the position of positioning terminal is determined according to the location information received.
13. device according to claim 12, which is characterized in that the NB-IOT terminal includes:
According to two or more NB-IOT terminals of preset geometry distribution setting；
Wherein, the distribution density of described two or more than two NB-IOT terminals of setting is greater than or equal to pre-set density.
14. device according to claim 12 or 13, which is characterized in that the receiving unit is specifically used for: receiving can be with
Each NB-IOT terminal that the positioning terminal carries out wireless communication is sent: NB-IOT terminal according to preset sending cycle
Coordinate, instant wireless communication distance, and/or the wireless communication distance set that can be communicated；
Wherein, the instant wireless communication distance of the NB-IOT terminal is true according to the transmission power of preset NB-IOT terminal
It is fixed.
15. device according to claim 14, which is characterized in that the positioning unit is specifically used for:
It determines the smallest instant wireless communication distance for the NB-IOT terminal for including in all location informations received, and determines
The sending cycle for sending the location information comprising the smallest instant wireless communication distance is locating periodically；
In the determining locating periodically, when only receiving the location information of NB-IOT terminal transmission, with the positioning
Position of the coordinate of NB-IOT terminal in information as the positioning terminal；
In the determining locating periodically, when receiving the location information of two NB-IOT terminals transmission, with positioning letter
The coordinate for each the NB-IOT terminal for including in breath and instant wireless communication distance determine that the signal of two NB-IOT terminals covers
The intersection of cover area, using the geometric center of the determining intersection as the position of the positioning terminal；
In the determining locating periodically, when receiving the location information of three NB-IOT terminals transmission, with positioning letter
The coordinate for each the NB-IOT terminal for including in breath and instant wireless communication distance determine that the signal of three NB-IOT terminals covers
The intersection of cover area, using the geometric center of determining intersection as the position of the positioning terminal.
16. device according to claim 12 or 13, which is characterized in that described device further includes recording unit, is used for root
According to each described NB-IOT terminal of the differentiation data separation pre-established, and record the seat of each NB-IOT terminal
Mark.
17. a kind of NB-IOT terminal for realizing wireless location characterized by comprising transmission unit is used for: sending positioning letter
Breath.
18. NB-IOT terminal according to claim 17, which is characterized in that the NB-IOT terminal further includes determining list
Member, for determine NB-IOT terminal coordinate and send location information transmission power, by the coordinate of determining NB-IOT terminal,
Corresponding to the instant wireless communication distance of the transmission power and/or the wireless communication distance set that can communicate as the positioning
Information.
19. NB-IOT terminal described in 8 or 19 according to claim 1, which is characterized in that the transmission unit is specifically used for: pressing
The location information is sent with different transmission power according to preset sending cycle.
20. a kind of computer storage medium, computer executable instructions are stored in computer storage medium, computer is executable
Instruction is for executing the method for realizing wireless location as described in any one of claim 1~7.
21. a kind of computer storage medium, computer executable instructions are stored in computer storage medium, computer is executable
Instruction is for executing the method for realizing wireless location as described in any one of claim 8~11.
22. a kind of terminal, comprising: memory and processor；Wherein,
Processor is configured as executing the program instruction in memory；
Program instruction reads in processor and executes following operation:
Receive the location information that Internet of Things NB-IOT terminal in narrowband is sent；
The position of positioning terminal is determined according to the location information received.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718946.5A CN109429169A (en) | 2017-08-21 | 2017-08-21 | A kind of method, apparatus that realizing wireless location and narrowband internet-of-things terminal |
| PCT/CN2018/086361 WO2019037473A1 (en) | 2017-08-21 | 2018-05-10 | Method and device for realizing wireless positioning, and narrow-band internet of things terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718946.5A CN109429169A (en) | 2017-08-21 | 2017-08-21 | A kind of method, apparatus that realizing wireless location and narrowband internet-of-things terminal |
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| WO (1) | WO2019037473A1 (en) |
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