CN107979870A - Localization method, terminal, server and alignment system - Google Patents
Localization method, terminal, server and alignment system Download PDFInfo
- Publication number
- CN107979870A CN107979870A CN201610919148.4A CN201610919148A CN107979870A CN 107979870 A CN107979870 A CN 107979870A CN 201610919148 A CN201610919148 A CN 201610919148A CN 107979870 A CN107979870 A CN 107979870A
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- China
- Prior art keywords
- signal strength
- terminal
- target
- group
- access point
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
Abstract
The present invention relates to a kind of localization method, terminal, server and alignment system, above-mentioned localization method includes：S2, obtains real-time signal strength group of multiple wireless access point relative to target terminal；S3, inquiry and the highest Target Signal Strength group of the real-time signal strength group degree of association；S4, inquires about the corresponding target location of the Target Signal Strength group；S5, the target terminal is transmitted to by the target location.According to the present embodiment, reduce terminal and carry out hardware requirement required during indoor positioning, and more accurately positioning result can be obtained.
Description
Technical field
The present invention relates to field of locating technology, in particular to a kind of localization method, a kind of terminal, a kind of server
With a kind of alignment system.
Background technology
Currently, including Google and Baidu's indoor navigation map are mainly based upon global position system GPS, traditional Wi-Fi
Navigation is realized with mobile phone signal transmitting tower.
Although GPS is presently the most successful alignment system, but GPS carries out positioning and is required for capture at least 4 to exist every time
The signal of rail satellite, not only initialization time grow, local in the cities that some indoor and high buildings gather etc., signal blocks are serious,
Availability is also seriously restricted.Traditional Wi-Fi location technologies have particular/special requirement, it is necessary to extra hardware device to hardware
Or to upgrading in net Wi-Fi AP (wireless access point), to ensure precise synchronization and the measurement of time and angle, this causes
Upgrade cost is bigger, safeguards also highly difficult.And rely on the accuracy of mobile phone signal transmitting tower navigation too low.
The content of the invention
The technical problems to be solved by the invention are how simply and accurately to carry out indoor positioning.
For this purpose, the present invention proposes a kind of localization method, including：
S2, obtains real-time signal strength group of multiple wireless access point relative to target terminal；
S3, inquiry and the highest Target Signal Strength group of the real-time signal strength group degree of association；
S4, inquires about the corresponding target location of the Target Signal Strength group；
S5, the target terminal is transmitted to by the target location.
Preferably, further included before the step S2：
S11, it is strong relative to the signal of the target terminal to obtain each wireless access point in the multiple wireless access point
Degree, using the multiple signal strengths got as preset signal strength group；
S12, determines to get the position of the target terminal during preset signal strength group as predeterminated position；
S13, by each preset signal strength group respectively with corresponding predeterminated position associated storage.
Preferably, the step S11 includes：Obtain signal of each wireless access point relative to the target terminal
The duration of intensity is more than preset duration.
Preferably, the signal strength includes following at least one：
WiFi signal intensity, bluetooth signal intensity, infrared signal intensity, radio frequency identification signal intensity, ZigBee signals
Intensity, ultrasonic signal strength.
The invention also provides a kind of terminal, including：
Acquiring unit, for obtaining the real-time signal strength group of multiple wireless access point；
First transmission unit, for the real-time signal strength group to be transmitted to server；
First receiving unit, receives the target location of the server feedback.
Preferably, the acquiring unit is strong for the signal for obtaining each wireless access point in the multiple wireless access point
Degree, using the multiple signal strengths got as preset signal strength group；
First transmission unit is used to the preset signal strength group got being transmitted to the server.
Preferably, the acquiring unit obtains signal strength of each wireless access point relative to the target terminal
Duration be more than preset duration.
The invention also provides a kind of server, including：
Second receiving unit, for receiving the real-time signal strength group of multiple wireless access point from target terminal；
Query unit, for inquiring about and the highest Target Signal Strength group of the real-time signal strength group degree of association, inquiry
The corresponding target location of the Target Signal Strength group；
Second transmission unit, for the target location to be transmitted to the target terminal.
Preferably, second receiving unit is used to receive the multiple wireless access point relative to the target terminal
Preset signal strength group；
The server further includes：
Positioning unit, when receiving each preset signals group, determines the position of the target terminal as predeterminated position；
Storage unit, for by each preset signals group and corresponding predeterminated position associated storage.
The invention also provides a kind of alignment system, including above-mentioned terminal, above-mentioned server is further included.
Through the above technical solutions, the indoor positioning realized to terminal can be coordinated by terminal and server, wherein eventually
End only needs multiple wireless access point being transmitted to server, signal strength group and position relative to the real-time signal strength group of terminal
The incidence relation put is stored in server, and the inquiry of target location is carried out by server, reduces terminal and carries out interior
Required hardware requirement during positioning.And the storage capacity and computing capability of server are better than terminal, therefore can be based on more
Huge database and stronger computing capability is added to obtain more accurately positioning result.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood by reference to attached drawing, attached drawing is schematically without that should manage
Solve to carry out any restrictions to the present invention, in the accompanying drawings：
Fig. 1 shows the schematic flow diagram of localization method according to an embodiment of the invention；
Fig. 2 shows positioning scene schematic diagram according to an embodiment of the invention；
Fig. 3 shows the specific schematic flow diagram of localization method according to an embodiment of the invention；
Fig. 4 shows the positioning scene schematic diagram of another embodiment according to the present invention；
Fig. 5 shows positioning performance and the coordinate schematic diagram of complexity；
Fig. 6 shows the schematic block diagram of terminal according to an embodiment of the invention；
Fig. 7 shows the schematic block diagram of server according to an embodiment of the invention；
Fig. 8 shows the management schematic diagram according to an embodiment of the invention to wireless access point.
Embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the case where there is no conflict, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented using other different from other modes described here, therefore, protection scope of the present invention and from described below
Specific embodiment limitation.
As shown in Figure 1, localization method according to an embodiment of the invention, including：
S2, obtains real-time signal strength group of multiple wireless access point relative to target terminal；
S3, inquiry and the highest Target Signal Strength group of the real-time signal strength group degree of association；
S4, the corresponding target location of inquiry Target Signal Strength group；
S5, target terminal is transmitted to by target location.
In the present embodiment, step S2 can be completed by terminal, and step S3 to S5 can be completed by server.According to this reality
Example is applied, the indoor positioning realized to terminal can be coordinated by terminal and server, wherein terminal only needs wirelessly to connect multiple
Access point is transmitted to server relative to the real-time signal strength group of terminal, and the incidence relation of signal strength group and position is stored in
Server, and by the inquiry of server progress target location, reduce terminal and carry out hardware requirement required during indoor positioning.
And the storage capacity and computing capability of server are better than terminal, therefore can be based on huger database and stronger
Computing capability obtains more accurately positioning result.
As shown in Fig. 2, when target terminal 1 is located in Room 306, the live signal of wireless access point A, B, C and D can be obtained
Intensity groups are to be positioned.Such as the position prestored is included positioned at the first position of Room 306, its corresponding signal strength group
For A：20dBm；B：12dBm；C：10dBm；D：18dBm, further includes positioned at the second place of Room 305, its corresponding signal strength
Group is A：13dBm；B：21dBm；C：19dBm；D：9dBm.
So when the real-time signal strength group that target terminal is got is 20dBm；B：13dBm；C：10dBm；D：18dBm
When, server can be determined that its degree of association highest with first position, therefore the position of first position can be transmitted to target terminal
Confidence ceases.
It should be noted that the terminal and target terminal in the present embodiment can be：Electronic Paper, mobile phone, tablet computer, electricity
Depending on any product or component with display function such as machine, laptop, Digital Frame, navigator.Nothing in the present embodiment
Line access point can be router, open the other-end etc. of hot spot.
Preferably, as shown in figure 3, being further included before step S2：
S11, obtaining each wireless access point in multiple wireless access point, relative to the signal strength of target terminal, will obtain
The multiple signal strengths arrived are as preset signal strength group；
S12, the position of target terminal is as predeterminated position when determining to get preset signal strength group；
S13, by each preset signal strength group respectively with corresponding predeterminated position associated storage.
In the present embodiment, step S11 can be completed by target terminal, and step S12 and S13 can be completed by server.
According to the present embodiment, target terminal can obtain multiple wireless access point in advance before indoor positioning is carried out
Signal strength is as preset signal strength group, and by server by preset signal strength group and predeterminated position associated storage, so as to
In follow-up position fixing process, target terminal can be quickly determined by matching real-time signal strength group and preset signal strength group
Position.
Preferably, step S11 includes：Obtain each wireless access point relative to the signal strength of target terminal it is lasting when
Between be more than preset duration (such as 30 seconds).
Due to the power of wireless access point, there may be fluctuation, or even position also likely to be present fluctuation.According to the present embodiment,
By gathering the signal strength of long period, average can be taken to the signal strength in this period, with to wireless access point phase
More accurate estimation is made for the signal strength of target terminal, so as to subsequently more accurately positioning.
Preferably, the quantity of the wireless access point of acquisition is more than default quantity (such as 4).
By obtaining the signal strength of a fairly large number of wireless access point, it is more the signal strength group tieed up that can obtain,
So as to realize more accurate positioning in follow-up position fixing process.As shown in figure 4, except obtaining wireless access point A, B, C
It is located at the signal strength of the signal strength of D, also acquisition wireless access point E, F, G, H and I, such as target terminal 1 in Room 307
When, due to the signal strength weakening of wireless access point B and C, two dimension values in signal strength group on B and C are difficult
Using the foundation as accurate positionin.In this case, due to further including two dimension value of E and F in signal strength group, still
It can realize accurate positioning.
Preferably, signal strength includes following at least one：
WiFi signal intensity, bluetooth signal intensity, infrared signal intensity, radio frequency identification signal intensity, ZigBee signals
Intensity, ultrasonic signal strength.
As shown in figure 5, in above-mentioned multi-signal, it can ensure the positioning accuracy of meter level according to WiFi signal intensity, and
And scale and its easily.
As shown in fig. 6, the invention also provides a kind of terminal 10, including：
Acquiring unit 11, for obtaining the real-time signal strength group of multiple wireless access point；
First transmission unit 12, for real-time signal strength group to be transmitted to server；
First receiving unit 13, receives the target location of server feedback.
Preferably, acquiring unit 11 is used for the signal strength for obtaining each wireless access point in multiple wireless access point, will
The multiple signal strengths got are as preset signal strength group；
First transmission unit 12 is used to the preset signal strength group got being transmitted to server.
Preferably, acquiring unit 11 obtains duration of each wireless access point relative to the signal strength of target terminal
More than preset duration.
As shown in fig. 7, the invention also provides a kind of server 20, including：
Second receiving unit 21, for receiving the real-time signal strength group of multiple wireless access point from target terminal；
Query unit 22, for inquiring about and the highest Target Signal Strength group of the real-time signal strength group degree of association, inquiry mesh
Mark the corresponding target location of signal strength group；
Second transmission unit 23, for target location to be transmitted to target terminal.
Preferably, the second receiving unit 21 is strong relative to the preset signals of target terminal for receiving multiple wireless access point
Degree group；
Server further includes：
Positioning unit 24, when receiving each preset signals group, determines the position of target terminal as predeterminated position；
Storage unit 25, for by each preset signals group and corresponding predeterminated position associated storage.
As shown in figure 8, each wireless access point that terminal 10 obtains signal strength can pass through access controller or convergence
Interchanger is connected to enterprise network, and either internet administrative staff can be directly arbitrarily wireless by enterprise network or internet management
The state of access point, can also manage the state of any wireless access point in server 20.
The invention also provides a kind of alignment system, including above-mentioned terminal, above-mentioned server is further included.
Technical scheme is described in detail above in association with attached drawing, it is contemplated that location technology is various in the prior art
Defect.Technical solution according to embodiments of the present invention, can coordinate the indoor positioning realized to terminal by terminal and server,
Wherein terminal only needs multiple wireless access point being transmitted to server, signal strength relative to the real-time signal strength group of terminal
Group and the incidence relation of position are stored in server, and by the inquiry of server progress target location, reduce terminal into
Required hardware requirement during row indoor positioning.And the storage capacity and computing capability of server are better than terminal, therefore can be with
More accurately positioning result is obtained based on huger database and stronger computing capability..
In the present invention, term " first " and " second " are only used for description purpose, and it is not intended that instruction or hint phase
To importance.Term " multiple " refers to two or more, unless otherwise restricted clearly.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. localization method, it is characterised in that including：S2, obtains real-time signal strength group of multiple wireless access point relative to target terminal；S3, inquiry and the highest Target Signal Strength group of the real-time signal strength group degree of association；S4, inquires about the corresponding target location of the Target Signal Strength group；S5, the target terminal is transmitted to by the target location.
- 2. localization method according to claim 1, it is characterised in that further included before the step S2：S11, obtaining each wireless access point in the multiple wireless access point, will relative to the signal strength of the target terminal The multiple signal strengths got are as preset signal strength group；S12, determines to get the position of the target terminal during preset signal strength group as predeterminated position；S13, by each preset signal strength group respectively with corresponding predeterminated position associated storage.
- 3. localization method according to claim 2, it is characterised in that the step S11 includes：Obtain described each wireless Access point is more than preset duration relative to the duration of the signal strength of the target terminal.
- 4. localization method according to any one of claim 1 to 3, it is characterised in that the signal strength includes following It is at least one：WiFi signal intensity, bluetooth signal intensity, infrared signal intensity, radio frequency identification signal intensity, ZigBee signal strengths, Ultrasonic signal strength.
- A kind of 5. terminal, it is characterised in that including：Acquiring unit, for obtaining the real-time signal strength group of multiple wireless access point；First transmission unit, for the real-time signal strength group to be transmitted to server；First receiving unit, receives the target location of the server feedback.
- 6. terminal according to claim 5, it is characterised in that the acquiring unit is used to obtain the multiple wireless access The signal strength of each wireless access point in point, using the multiple signal strengths got as preset signal strength group；First transmission unit is used to the preset signal strength group got being transmitted to the server.
- 7. terminal according to claim 6, it is characterised in that the acquiring unit obtains each wireless access point phase It is more than preset duration for the duration of the signal strength of the target terminal.
- A kind of 8. server, it is characterised in that including：Second receiving unit, for receiving the real-time signal strength group of multiple wireless access point from target terminal；Query unit, for inquire about with the highest Target Signal Strength group of the real-time signal strength group degree of association, described in inquiry The corresponding target location of Target Signal Strength group；Second transmission unit, for the target location to be transmitted to the target terminal.
- 9. server according to claim 8, it is characterised in that second receiving unit is used to receive the multiple nothing Line access point relative to the target terminal preset signal strength group；The server further includes：Positioning unit, when receiving each preset signals group, determines the position of the target terminal as predeterminated position；Storage unit, for by each preset signals group and corresponding predeterminated position associated storage.
- 10. a kind of alignment system, it is characterised in that including the terminal any one of claim 5 to 7, further include right It is required that the server described in 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919148.4A CN107979870A (en) | 2016-10-21 | 2016-10-21 | Localization method, terminal, server and alignment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919148.4A CN107979870A (en) | 2016-10-21 | 2016-10-21 | Localization method, terminal, server and alignment system |
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| CN107979870A true CN107979870A (en) | 2018-05-01 |
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| CN201610919148.4A Pending CN107979870A (en) | 2016-10-21 | 2016-10-21 | Localization method, terminal, server and alignment system |
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| CN102638889A (en) * | 2012-03-21 | 2012-08-15 | 浙江大学 | Indoor wireless terminal positioning method based on Bayes compression sensing |
| CN103139902A (en) * | 2011-11-23 | 2013-06-05 | 京信通信系统（中国）有限公司 | Wireless positioning method, device and system |
| CN104066175A (en) * | 2014-06-25 | 2014-09-24 | 深圳市东信时代信息技术有限公司 | Indoor positioning system and method based on WiFi |
| CN104581936A (en) * | 2014-12-11 | 2015-04-29 | 北京智慧图科技有限责任公司 | Positioning method and device |
| CN105448119A (en) * | 2014-08-25 | 2016-03-30 | 中国科学院上海高等研究院 | Parking reverse position querying and guiding system and method |
-
2016
- 2016-10-21 CN CN201610919148.4A patent/CN107979870A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103139902A (en) * | 2011-11-23 | 2013-06-05 | 京信通信系统（中国）有限公司 | Wireless positioning method, device and system |
| CN102638889A (en) * | 2012-03-21 | 2012-08-15 | 浙江大学 | Indoor wireless terminal positioning method based on Bayes compression sensing |
| CN104066175A (en) * | 2014-06-25 | 2014-09-24 | 深圳市东信时代信息技术有限公司 | Indoor positioning system and method based on WiFi |
| CN105448119A (en) * | 2014-08-25 | 2016-03-30 | 中国科学院上海高等研究院 | Parking reverse position querying and guiding system and method |
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Application publication date: 20180501 |