CN106792459A - The method and system of wireless device high accuracy positioning - Google Patents
The method and system of wireless device high accuracy positioning Download PDFInfo
- Publication number
- CN106792459A CN106792459A CN201611195375.3A CN201611195375A CN106792459A CN 106792459 A CN106792459 A CN 106792459A CN 201611195375 A CN201611195375 A CN 201611195375A CN 106792459 A CN106792459 A CN 106792459A
- Authority
- CN
- China
- Prior art keywords
- barrier
- rssi
- blocked
- stationary nodes
- wireless device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a kind of method and system of wireless device high accuracy positioning, it is related to bluetooth location technology field.Solve prior art and there is the big technical problem of range error.The method of the wireless device high accuracy positioning is comprised the following steps：By two or more bluetooth Beacon stationary nodes, blocked by barrier between stationary nodes and mutually measure RSSI value respectively in the case of not blocked by barrier, with the situation that RSSI when showing that stationary nodes are blocked by barrier decays；The situation of RSSI decay, the RSSI corresponding accurate distances after decaying when showing that mobile node is blocked by barrier when being blocked by barrier according to the RSSI and stationary nodes after decay, and the exact position of wireless device is drawn with this.The present invention is for improving the precision that wireless device is positioned.
Description
Technical field
The present invention relates to bluetooth location technology field, more particularly to a kind of method and nothing of wireless device high accuracy positioning
The system of line equipment high accuracy positioning.
Background technology
With continuing to develop for the wireless technologys such as bluetooth, the technology using radio position finding radio directional bearing is more and more ripe, current
It is more widely to be positioned by radio signal strength RSSI, iBeacon etc. is widely used to the places such as market, supermarket.
With continuing to develop and perfect for bluetooth 4.x, bluetooth 5.0 is ready to appear, and its communication distance is longer, communicates and positions
Using will be more extensive.
Applicants have discovered that：At least there is following technical problem in prior art：
Beacon positioning is in recent years using more wireless location schemes, but its maximum shortcoming in the prior art
It is easily to be blocked by peripheral obstacle, causes jitter, so that range error is very big.
The content of the invention
At least one purpose of the invention is to propose that the method and wireless device of a kind of wireless device high accuracy positioning are high
The system of precision positioning, solves prior art and there is the big technical problem of range error.
To achieve the above object, the invention provides following technical scheme：
The method of the wireless device high accuracy positioning that the present invention is provided, comprises the following steps：
By two or more bluetooth Beacon stationary nodes, between the stationary nodes by barrier block and not by
Barrier mutually measures RSSI value respectively in the case of blocking, and is declined with RSSI when showing that the stationary nodes are blocked by barrier
Situation about subtracting；
Using wireless device as mobile node, after the mobile node runs into barrier, the mobile node is measured
RSSI after decaying when being blocked by barrier；
The situation of RSSI decay, draws when being blocked by barrier according to the RSSI after the decay and the stationary nodes
The corresponding accurate distances of RSSI after decaying when the mobile node is blocked by barrier, and the wireless device is drawn with this
Exact position.
Alternatively, the method for the corresponding accurate distances of RSSI after decaying when showing that the mobile node is blocked by barrier
Specially：
RSSI correspondences when mobile node is blocked by barrier after decay are extrapolated according to formula RSSI=A-nlg (d)
Accurate distance d, in above-mentioned formula：
A is two signal intensities of beacon stationary nodes when at a predetermined distance；
N is the coefficient with environmental correclation；
D is distance.
Alternatively, the preset distance is 1m.
Alternatively, whether described and environmental correclation refers specifically to be blocked by barrier between two stationary nodes.
Alternatively, the RSSI value is repeatedly to measure the average value for drawing.
Alternatively, it is described by two or more bluetooth Beacon stationary nodes, by obstacle between the stationary nodes
Thing is blocked and mutually measures RSSI value respectively in the case of not blocked by barrier, to draw the stationary nodes by barrier
The method of the situation of RSSI decay, comprises the following steps when blocking：
In the case of not blocked by barrier between the stationary nodes, two stationary nodes RSSI are measured
Value, using the value as RSSI1；
In the case of being blocked by barrier between the stationary nodes, two stationary nodes RSSI values are measured,
Using the value as RSSI2；
Drawn according to RSSI1, RSSI2 and above-mentioned formula：A、n.
The system of the wireless device high accuracy positioning that the present invention is provided, including a bluetooth Beacon wireless device and two
Individual or multiple bluetooth Beacon stationary nodes, wherein：
The stationary nodes, for the situation blocked and do not blocked by barrier by barrier between the stationary nodes
It is lower mutually to measure RSSI value respectively, with the situation that RSSI when showing that the stationary nodes are blocked by barrier decays；
The wireless device, for as mobile node, after mobile node runs into barrier, measures mobile node quilt
RSSI after decaying when barrier is blocked；
The wireless device, when being additionally operable to be blocked by barrier according to the RSSI after the decay and the stationary nodes
The situation of RSSI decay, the corresponding accurate distances of RSSI after decaying when showing that the mobile node is blocked by barrier, and with
This draws the exact position of the wireless device.
Alternatively, the method for the corresponding accurate distances of RSSI after decaying when showing that the mobile node is blocked by barrier
Specially：
RSSI correspondences when mobile node is blocked by barrier after decay are extrapolated according to formula RSSI=A-nlg (d)
Accurate distance d, in above-mentioned formula：
A is two signal intensities of beacon stationary nodes when at a predetermined distance；
N is the coefficient with environmental correclation；
D is distance.
Alternatively, the preset distance is 1m.
Alternatively, whether described and environmental correclation refers specifically to be blocked by barrier between two stationary nodes.
Alternatively, it is described by two or more bluetooth Beacon stationary nodes, by obstacle between the stationary nodes
Thing is blocked and mutually measures RSSI value respectively in the case of not blocked by barrier, to draw the stationary nodes by barrier
The method of the situation of RSSI decay, comprises the following steps when blocking：
In the case of not blocked by barrier between the stationary nodes, two stationary nodes RSSI are measured
Value, using the value as RSSI1；
In the case of being blocked by barrier between the stationary nodes, two stationary nodes RSSI values are measured,
Using the value as RSSI2；
Drawn according to RSSI1, RSSI2 and above-mentioned formula：A、n.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect：
The situation of RSSI decay make use of stationary nodes as foundation when being blocked by barrier using stationary nodes in the present invention
The reference of the corresponding accurate distances of RSSI after the situation of RSSI decay decays as wireless device when being blocked by barrier, ginseng
Factor is examined, the wireless device for thus being drawn when wireless device is blocked by barrier is more accurate with the distance of other nodes, enters
And the position of the wireless device for drawing is also more accurate, so solving prior art has the big technical problem of range error.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
The schematic diagram of the method for the wireless device high accuracy positioning that Fig. 1 is provided by the embodiment of the present invention；
The schematic diagram of the System Working Principle of the wireless device high accuracy positioning that Fig. 2 is provided by the embodiment of the present invention.
Specific embodiment
Be referred to accompanying drawing Fig. 1~Fig. 2 below and word content understand present disclosure and the present invention with it is existing
Distinctive points between technology.Hereafter accompanying drawing and by way of enumerating some alternative embodiments of the invention, to of the invention
Technical scheme (including optimal technical scheme) is described in further detail.It should be noted that：Any skill in the present embodiment
Art feature, any technical scheme are one or more in the technical characteristic or optional technical scheme of plurality of optional, in order to
Cannot exhaustive all alternative technical characteristics of the invention and alternative technical side in presents the need for description is succinct
Case, the implementation method for being also not easy to each technical characteristic emphasizes that it is one of optional numerous embodiments, so this area
Technical staff should know：Any two for any technological means that the present invention is provided being replaced or providing the present invention
Individual or more technological means or technical characteristic are combined and obtain new technical scheme mutually.Any skill in the present embodiment
Art feature and any technical scheme are not limited the scope of the invention, and protection scope of the present invention should include this area
Technical staff does not pay the thinkable any alternate embodiments of creative work institute and those skilled in the art by the present invention
Any two of offer or more technological means or technical characteristic technical scheme new obtained from being combined mutually.
One kind be the embodiment of the invention provides when wireless device is blocked by barrier, the distance to wireless device calculates essence
The method and the system of wireless device high accuracy positioning of degree and positioning precision wireless device high accuracy positioning higher.
The technical scheme that the present invention is provided is illustrated in more detail with reference to Fig. 1~Fig. 2.
As shown in Fig. 1~Fig. 2, the method for the wireless device high accuracy positioning that the embodiment of the present invention is provided, including it is following
Step：
Step A, by two or more bluetooth Beacon stationary nodes, blocked and not by barrier between stationary nodes
RSSI value is mutually measured in the case of being blocked by barrier respectively, is decayed with RSSI when showing that stationary nodes are blocked by barrier
Situation；
Step B, using wireless device as mobile node, after mobile node runs into barrier, measure mobile node quilt
RSSI after decaying when barrier is blocked；
Step C, when being blocked by barrier according to the RSSI and stationary nodes after decay RSSI decay situation, draw shifting
The corresponding accurate distances of RSSI when dynamic node is blocked by barrier after decay, and the exact position of wireless device is drawn with this
(can be represented with coordinate).
The limitation of above-mentioned steps A, B out-of-order priority.
The situation of RSSI decay make use of stationary nodes as foundation when being blocked by barrier using stationary nodes in the present invention
The reference of the corresponding accurate distances of RSSI after the situation of RSSI decay decays as wireless device when being blocked by barrier, ginseng
Factor is examined, the wireless device for thus being drawn when wireless device is blocked by barrier is more accurate with the distance of other nodes, enters
And the position of the wireless device for drawing is also more accurate.
Optionally implementation method, RSSI after decaying when showing that mobile node is blocked by barrier it is corresponding it is accurate away from
From method be specially：
RSSI correspondences when mobile node is blocked by barrier after decay are extrapolated according to formula RSSI=A-nlg (d)
Accurate distance d, in above-mentioned formula：
Two signal intensities of beacon stationary nodes when A is for (preferably 1m) at a predetermined distance；
N is the coefficient with environmental correclation；
D is distance.
After A, n are calculated, it is possible to use the RSSI after the decay that detection is obtained instead is released apart from d, and then can be obtained
To the detailed coordinate value of wireless device.
Optionally whether implementation method, refer specifically to be blocked by barrier between two stationary nodes with environmental correclation.
Certainly, other can also be embodied with the factor of environmental correclation by n.
In preferred scheme, A be at a distance of one meter when two signal intensities of beacon stationary nodes, n (whether there is with environmental correclation
Barrier etc.), it is empirical value, can be determined according to the value of several different distances and RSSI, d represents distance.When there is barrier,
Between stationary nodes X1 and stationary nodes X2, d is constant, when RSSI1 when RSSI has spaciousness is changed into having barrier
RSSI2, corresponding A and n when can then obtain barrier, then calculate movement with this value and the mobile node RSSIx being blocked
The distance of node.
Optionally implementation method, by two or more bluetooth Beacon stationary nodes, the quilt between stationary nodes
Barrier is blocked and mutually measures RSSI value respectively in the case of not blocked by barrier, to draw stationary nodes by barrier
The method of the situation of RSSI decay, comprises the following steps when blocking：
In the case of not blocked by barrier between stationary nodes, two stationary nodes RSSI values are measured, with the value
As RSSI1；
In the case of being blocked by barrier between stationary nodes, two stationary nodes RSSI values are measured, made with the value
It is RSSI2；
Drawn according to RSSI1, RSSI2 and above-mentioned formula：A、n.
The present invention solve bluetooth Beacon nodes can only substantially measurement distance situation, resolution of ranging is by present market
Upper universal 1~3m of Beacon positioning precisions brings up to 0.1m.
The system of wireless device high accuracy positioning provided in an embodiment of the present invention, including a bluetooth Beacon wireless device
And two or more bluetooth Beacon stationary nodes, wherein：
Stationary nodes, for being blocked and phase respectively in the case of not blocked by barrier by barrier between stationary nodes
RSSI value mutually is measured, with the situation that RSSI when showing that stationary nodes are blocked by barrier decays；
Wireless device, for as mobile node, after mobile node runs into barrier, measures mobile node by obstacle
RSSI after decaying when thing is blocked；
Wireless device, the feelings of RSSI decay when RSSI and stationary nodes after being additionally operable to according to decay are blocked by barrier
Condition, the corresponding accurate distances of RSSI after decaying when showing that mobile node is blocked by barrier, and wireless device is drawn with this
Exact position.
The present invention mutually measures RSSI value by two or more bluetooth Beacon stationary nodes, when mobile node is met
To after barrier, the RSSI blocked by barrier according to stationary nodes decays and fixed range, after extrapolating mobile node decay
The corresponding accurate distances of RSSI.
Optionally implementation method, RSSI after decaying when showing that mobile node is blocked by barrier it is corresponding it is accurate away from
From method be specially：
RSSI correspondences when mobile node is blocked by barrier after decay are extrapolated according to formula RSSI=A-nlg (d)
Accurate distance d, in above-mentioned formula：
Two signal intensities of beacon stationary nodes when A is for (preferably 1m) at a predetermined distance；
N is the coefficient with environmental correclation；
D is distance.
Optionally whether implementation method, refer specifically to be blocked by barrier between two stationary nodes with environmental correclation.
Optionally implementation method, by two or more bluetooth Beacon stationary nodes, the quilt between stationary nodes
Barrier is blocked and mutually measures RSSI value respectively in the case of not blocked by barrier, to draw stationary nodes by barrier
The method of the situation of RSSI decay, comprises the following steps when blocking：
In the case of not blocked by barrier between stationary nodes, two stationary nodes RSSI values are measured, with the value
As RSSI1；
In the case of being blocked by barrier between stationary nodes, two stationary nodes RSSI values are measured, made with the value
It is RSSI2；
Drawn according to RSSI1, RSSI2 and above-mentioned formula：A、n.
To sum up, the present invention can greatly improve bluetooth Beacon positioning precisions, for indoor navigation, positioning provide reliable coordinate.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to preferred embodiment to the present invention, and those of ordinary skill in the art should be understood：Still
Specific embodiment of the invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this hair
The spirit of bright technical scheme, it all should cover in the middle of claimed technical scheme scope of the invention.
Claims (10)
1. a kind of method of wireless device high accuracy positioning, it is characterised in that comprise the following steps：
By two or more bluetooth Beacon stationary nodes, blocked and not by obstacle by barrier between the stationary nodes
Thing mutually measures RSSI value respectively in the case of blocking, and is decayed with RSSI when showing that the stationary nodes are blocked by barrier
Situation；
Using wireless device as mobile node, after the mobile node runs into barrier, measure the mobile node and hindered
RSSI after decaying when hindering thing to block；
The situation of RSSI decay when being blocked by barrier according to the RSSI after the decay and the stationary nodes, draws described
The corresponding accurate distances of RSSI after decaying when mobile node is blocked by barrier, and the accurate of the wireless device is drawn with this
Position.
2. the method for wireless device high accuracy positioning according to claim 1, it is characterised in that draw the mobile node
The method of the corresponding accurate distances of RSSI after decaying when being blocked by barrier is specially：
The corresponding essences of RSSI when mobile node is blocked by barrier after decay are extrapolated according to formula RSSI=A-nlg (d)
Really in d, above-mentioned formula：
A is two signal intensities of beacon stationary nodes when at a predetermined distance；
N is the coefficient with environmental correclation；
D is distance.
3. the method for wireless device high accuracy positioning according to claim 2, it is characterised in that the preset distance is
1m。
4. the method for wireless device high accuracy positioning according to claim 2, it is characterised in that the RSSI value is multiple
The average value that measurement draws.
5. the method for wireless device high accuracy positioning according to claim 2, it is characterised in that described to pass through two or many
Individual bluetooth Beacon stationary nodes, divide in the case of being blocked and do not blocked by barrier by barrier between the stationary nodes
RSSI value is not measured mutually, the method for situation about being decayed with RSSI when showing that the stationary nodes are blocked by barrier, including
Following steps：
In the case of not blocked by barrier between the stationary nodes, two stationary nodes RSSI values are measured, with
The value is used as RSSI1；
In the case of being blocked by barrier between the stationary nodes, two stationary nodes RSSI values are measured, with this
Value is used as RSSI2；
Drawn according to RSSI1, RSSI2 and above-mentioned formula：A、n.
6. a kind of system of wireless device high accuracy positioning, it is characterised in that including a bluetooth Beacon wireless device and
Two or more bluetooth Beacon stationary nodes, wherein：
The stationary nodes, for being blocked and in the case of not blocked by barrier point by barrier between the stationary nodes
RSSI value is not measured mutually, with the situation that RSSI when showing that the stationary nodes are blocked by barrier decays；
The wireless device, for as mobile node, after mobile node runs into barrier, measures mobile node by obstacle
RSSI after decaying when thing is blocked；
The wireless device, RSSI when being additionally operable to be blocked by barrier according to the RSSI after the decay and the stationary nodes
The situation of decay, the corresponding accurate distances of RSSI after decaying when showing that the mobile node is blocked by barrier, and obtained with this
Go out the exact position of the wireless device.
7. the system of wireless device high accuracy positioning according to claim 6, it is characterised in that draw the mobile node
The method of the corresponding accurate distances of RSSI after decaying when being blocked by barrier is specially：
The corresponding essences of RSSI when mobile node is blocked by barrier after decay are extrapolated according to formula RSSI=A-nlg (d)
Really in d, above-mentioned formula：
A is two signal intensities of beacon stationary nodes when at a predetermined distance；
N is the coefficient with environmental correclation；
D is distance.
8. the system of wireless device high accuracy positioning according to claim 7, it is characterised in that the preset distance is
1m。
9. the system of wireless device high accuracy positioning according to claim 7, it is characterised in that described with environmental correclation tool
Whether body is blocked between referring to two stationary nodes by barrier.
10. the system of wireless device high accuracy positioning according to claim 7, it is characterised in that it is described pass through two or
Multiple bluetooth Beacon stationary nodes, in the case of being blocked and do not blocked by barrier by barrier between the stationary nodes
RSSI value is mutually measured respectively, the method for situation about decaying with RSSI when showing that the stationary nodes are blocked by barrier, bag
Include following steps：
In the case of not blocked by barrier between the stationary nodes, two stationary nodes RSSI values are measured, with
The value is used as RSSI1；
In the case of being blocked by barrier between the stationary nodes, two stationary nodes RSSI values are measured, with this
Value is used as RSSI2；
Drawn according to RSSI1, RSSI2 and above-mentioned formula：A、n.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195375.3A CN106792459B (en) | 2016-12-22 | 2016-12-22 | Method and system for high-precision positioning of wireless equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195375.3A CN106792459B (en) | 2016-12-22 | 2016-12-22 | Method and system for high-precision positioning of wireless equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106792459A true CN106792459A (en) | 2017-05-31 |
| CN106792459B CN106792459B (en) | 2020-07-21 |
Family
ID=58900371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611195375.3A Active CN106792459B (en) | 2016-12-22 | 2016-12-22 | Method and system for high-precision positioning of wireless equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106792459B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567092A (en) * | 2017-08-28 | 2018-01-09 | 中国科学院遥感与数字地球研究所 | A kind of indoor location localization method and device |
| CN107660044A (en) * | 2017-10-20 | 2018-02-02 | 深圳和而泰智能控制股份有限公司 | A kind of interior lighting system and control method based on mesh networks |
| CN108549071A (en) * | 2018-05-10 | 2018-09-18 | 四川斐讯信息技术有限公司 | A kind of space-location method and system based on wifi signal strengths |
| CN109688546A (en) * | 2018-11-27 | 2019-04-26 | 浙江工业大学 | A kind of Intelligent luggage carrier safety alarming method based on bluetooth 5.0 |
| CN112188405A (en) * | 2020-09-29 | 2021-01-05 | 武汉大学 | Safe distance sensing and tracing system and method based on smart phone |
| CN113296085A (en) * | 2021-05-21 | 2021-08-24 | 联合汽车电子有限公司 | Ultra-wideband ranging method, storage medium and system |
| CN113534050A (en) * | 2021-07-02 | 2021-10-22 | 山东三维海容科技有限公司 | Identification and positioning equipment and method for transmitted articles |
| CN113891298A (en) * | 2021-09-29 | 2022-01-04 | 安徽江淮汽车集团股份有限公司 | Vehicle Bluetooth key positioning method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501536A (en) * | 2013-09-27 | 2014-01-08 | 无锡市众感传媒有限公司 | Dynamic acquisition method of mutual spacing of wireless nodes and wireless-node positioning method |
| CN103813448A (en) * | 2014-02-26 | 2014-05-21 | 江苏亿通高科技股份有限公司 | Indoor positioning method based on RSSI |
| CN105301560A (en) * | 2015-10-12 | 2016-02-03 | 刘儿兀 | Dynamic weighting evolution positioning system and dynamic weighting evolution positioning method based on received signal strength indicator (RSSI) of two nodes |
| CN106060924A (en) * | 2016-07-04 | 2016-10-26 | 长春理工大学 | Indoor positioning method based on mobile beacon |
| CN106093854A (en) * | 2016-06-14 | 2016-11-09 | 江南大学 | A kind of method of air quality monitoring spot net location based on RSSI range finding |
| CN106211079A (en) * | 2016-09-23 | 2016-12-07 | 武汉创驰蓝天信息科技有限公司 | The indoor orientation method of RSSI based on iBeacons node range finding and system |
-
2016
- 2016-12-22 CN CN201611195375.3A patent/CN106792459B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501536A (en) * | 2013-09-27 | 2014-01-08 | 无锡市众感传媒有限公司 | Dynamic acquisition method of mutual spacing of wireless nodes and wireless-node positioning method |
| CN103813448A (en) * | 2014-02-26 | 2014-05-21 | 江苏亿通高科技股份有限公司 | Indoor positioning method based on RSSI |
| CN105301560A (en) * | 2015-10-12 | 2016-02-03 | 刘儿兀 | Dynamic weighting evolution positioning system and dynamic weighting evolution positioning method based on received signal strength indicator (RSSI) of two nodes |
| CN106093854A (en) * | 2016-06-14 | 2016-11-09 | 江南大学 | A kind of method of air quality monitoring spot net location based on RSSI range finding |
| CN106060924A (en) * | 2016-07-04 | 2016-10-26 | 长春理工大学 | Indoor positioning method based on mobile beacon |
| CN106211079A (en) * | 2016-09-23 | 2016-12-07 | 武汉创驰蓝天信息科技有限公司 | The indoor orientation method of RSSI based on iBeacons node range finding and system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567092A (en) * | 2017-08-28 | 2018-01-09 | 中国科学院遥感与数字地球研究所 | A kind of indoor location localization method and device |
| CN107567092B (en) * | 2017-08-28 | 2019-11-29 | 中国科学院遥感与数字地球研究所 | A kind of indoor location localization method and device |
| CN107660044A (en) * | 2017-10-20 | 2018-02-02 | 深圳和而泰智能控制股份有限公司 | A kind of interior lighting system and control method based on mesh networks |
| CN108549071A (en) * | 2018-05-10 | 2018-09-18 | 四川斐讯信息技术有限公司 | A kind of space-location method and system based on wifi signal strengths |
| CN109688546A (en) * | 2018-11-27 | 2019-04-26 | 浙江工业大学 | A kind of Intelligent luggage carrier safety alarming method based on bluetooth 5.0 |
| CN112188405A (en) * | 2020-09-29 | 2021-01-05 | 武汉大学 | Safe distance sensing and tracing system and method based on smart phone |
| CN112188405B (en) * | 2020-09-29 | 2021-07-13 | 武汉大学 | Safe distance sensing and tracing system and method based on smart phone |
| CN113296085A (en) * | 2021-05-21 | 2021-08-24 | 联合汽车电子有限公司 | Ultra-wideband ranging method, storage medium and system |
| CN113296085B (en) * | 2021-05-21 | 2024-04-26 | 联合汽车电子有限公司 | Ultra-wideband ranging method, storage medium and system |
| CN113534050A (en) * | 2021-07-02 | 2021-10-22 | 山东三维海容科技有限公司 | Identification and positioning equipment and method for transmitted articles |
| CN113891298A (en) * | 2021-09-29 | 2022-01-04 | 安徽江淮汽车集团股份有限公司 | Vehicle Bluetooth key positioning method |
| CN113891298B (en) * | 2021-09-29 | 2024-02-27 | 安徽江淮汽车集团股份有限公司 | Bluetooth key positioning method for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106792459B (en) | 2020-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106792459A (en) | The method and system of wireless device high accuracy positioning | |
| CN106888426A (en) | The indoor orientation method and system of a kind of bluetooth, WiFi and inertial navigation technique fusion | |
| CN103399294B (en) | For the method and apparatus identifying the point of interest in predefined region | |
| CN105093177B (en) | A kind of RSSI localization methods based on frequency hopping | |
| CN103957503B (en) | It is a kind of that the method for improving WiFi fingerprint location robustness is walked using sensor meter | |
| US9451404B2 (en) | System and method for determining a position of a mobile unit | |
| CN104684081B (en) | The Localization Algorithm for Wireless Sensor Networks of anchor node is selected based on distance cluster | |
| CN107091642A (en) | A kind of indoor orientation method based on the mapping of different plane anchor node and rasterizing correction | |
| US9554253B2 (en) | Locating method, drive test terminal and hand-held terminal | |
| CN106199516A (en) | A kind of householder method for indoor positioning | |
| CN102540140B (en) | Weighting trilateration method in local positioning system | |
| CN102036372A (en) | Signal strength-based positioning method for non-uniform loss factors | |
| WO2018098851A1 (en) | Sensor device for indoor navigation and magnetic map generating method | |
| CN106714296A (en) | Indoor positioning method based on steepest descent method | |
| CN107861509A (en) | A kind of anchor point method for correcting coordinate and the method for improving robot localization precision | |
| CN105928511A (en) | Positioning and orientation method based on double magnetic beacons | |
| CN107203008A (en) | A kind of metallic conduit detecting system and method based on transient electromagnetic method | |
| CN105979583A (en) | NLOS (non-line of sight) transmission base station identification and positioning method based on side length residual error | |
| CN104244131B (en) | A kind of method and bluetooth headset of interior Voice Navigation | |
| KR101516769B1 (en) | Indoor wireless positioning system and indoor wireless positioning method | |
| CN107703484A (en) | The Precision Orientation Algorithm of wireless sensor network | |
| CN104569910A (en) | Quick wireless positioning method based on signal fusion analysis of few measurement points | |
| CN105357753B (en) | A kind of indoor orientation method based on multimodality fusion recursive iteration | |
| CN106546229B (en) | A kind of surveying and locating method convenient for floor manager | |
| CN108240810A (en) | Underground space three-dimensional magnetic induction alignment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: B4, 10 / F, block B, Qingdao International Innovation Park, No.1, Keyuan Weiyi Road, Laoshan District, Qingdao, Shandong Province Patentee after: Qingdao Yilai Intelligent Technology Co.,Ltd. Address before: B4, 10 / F, block B, Qingdao International Innovation Park, No.1, Keyuan Weiyi Road, Laoshan District, Qingdao, Shandong Province Patentee before: Qingdao Yeelink Information Technology Co.,Ltd. |