CN113891298B - Bluetooth key positioning method for vehicle - Google Patents
Bluetooth key positioning method for vehicle Download PDFInfo
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- CN113891298B CN113891298B CN202111154839.7A CN202111154839A CN113891298B CN 113891298 B CN113891298 B CN 113891298B CN 202111154839 A CN202111154839 A CN 202111154839A CN 113891298 B CN113891298 B CN 113891298B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000013507 mapping Methods 0.000 claims abstract description 26
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a vehicle Bluetooth key positioning method, which is mainly designed in the invention and comprises the steps of acquiring whether the current environment of a Bluetooth key is a shielding environment or not, detecting a signal value of the Bluetooth key by a vehicle Bluetooth slave module arranged on the periphery of a vehicle and transmitting the signal value to a vehicle Bluetooth master module, calling Bluetooth signals and position mapping data calibrated in advance in shielding and non-shielding environments by the vehicle Bluetooth master module based on detected environment information, and judging the position of the Bluetooth key by the current acquired Bluetooth signal intensity, thereby realizing Bluetooth control. Through practice and comparison with the prior art, the invention can obviously improve the judgment accuracy of the Bluetooth key position.
Description
Technical Field
The invention relates to the technical field of Internet of vehicles, in particular to a positioning method of a Bluetooth key for a vehicle.
Background
Along with development and maturity of the internet of vehicles and Bluetooth technology, the mobile phone also becomes a carrier of an automobile key. The connection mode of the mobile phone and the automobile mainly adopts Bluetooth connection, so that the situation that a car door cannot be opened or the automobile cannot be started in an underground garage or an area with poor moving signals can be avoided.
Specifically, the user carries and installs the special APP that contains bluetooth key function that the car factory provided to activate the cell-phone bluetooth key function of vehicle, just can carry out operations such as initiatively unblock, seek the car through APP (cell-phone bluetooth key), and then can also carry out the noninductive unblock or start through door handle PE button or PS start button, provide very big convenience for the user. In particular, the virtual key based on BLE bluetooth need not the entity and is enough automatic identification unblanking, has greatly promoted user's automobile-used experience.
At present, the function of the bluetooth key for the vehicle is greatly affected by the shielding object, so that the phenomenon that the bluetooth key for the vehicle is inaccurate in positioning or cannot be positioned often occurs, for example, a user places a mobile phone in a pocket or a bag, and when the bluetooth key is used for unobscured unlocking and locking, the situation that the function fails or the key cannot be detected is prompted in the market.
To this, there is bluetooth key location scheme based on car networking in this field too, specifically realizes bluetooth key's location through receiving bluetooth signal, but does not consider when bluetooth key is in different shielding environment, even in same position its signal strength also can have very big difference, leads to received bluetooth signal not accurate, and then influences the location effect.
Disclosure of Invention
In view of the above, the present invention aims to provide a positioning method for a bluetooth key for a vehicle, so as to solve the problem of poor positioning mode in the prior art.
The technical scheme adopted by the invention is as follows:
a positioning method of a Bluetooth key for a vehicle comprises the following steps:
the Bluetooth key sends a shielding state or not to a pre-deployed vehicle-end Bluetooth main module, and a plurality of pre-deployed vehicle-end Bluetooth slave modules receive Bluetooth signals of the Bluetooth key;
the Bluetooth slave module at the vehicle end sends the received Bluetooth signal to the Bluetooth master module at the vehicle end;
the Bluetooth master module at the vehicle end calls pre-calibrated shielding mapping data or shielding-free mapping data according to the shielding state or not, and positions the current Bluetooth key by combining Bluetooth signals sent by the Bluetooth slave module at the vehicle end; the calibrated mapping data represent the corresponding relation between the Bluetooth signal intensity and the relative vehicle distance.
In at least one possible implementation manner, the calibration manner of the mapping data includes:
dividing a plurality of direction lines on the left side and the right side of the vehicle in advance by taking a preset angle as a unit;
an elliptical line is arranged outside the vehicle along the shape of the vehicle, and is intersected with the left-side and right-side direction lines, so that calibration positions in different directions are obtained;
the Bluetooth key is respectively in a non-shielding environment and a shielding environment, and Bluetooth key signal values of different calibration positions under different environments are received by a Bluetooth slave module at a vehicle end;
the Bluetooth slave module at the vehicle end transmits the detected Bluetooth signal to the Bluetooth master module at the vehicle end;
and carrying out positioning calculation according to the Bluetooth signal intensity of the calibration position in the non-shielding or shielding environment by a positioning algorithm preset in the Bluetooth main module at the vehicle end to obtain non-shielding calibration data and shielding calibration data.
In at least one possible implementation manner, the dividing the plurality of direction lines on the left side and the right side of the vehicle in advance by taking a preset angle as a unit includes dividing the plurality of direction lines from 0 ° to 180 ° on the left side and the right side of the vehicle respectively by taking a 30 ° included angle as a unit.
In at least one of the possible implementations, the calibration position covers several different distance ranges from the vehicle periphery to the vehicle.
In at least one possible implementation manner, the calibration manner of the mapping data further includes:
and respectively constructing a mapping chart according to the non-shielding calibration data and the signal intensity of the Bluetooth key and the position relation of the Bluetooth key relative to the vehicle, and storing the mapping chart.
In at least one possible implementation manner, the sending, by the bluetooth key, whether the blocking state exists to the pre-deployed bluetooth master module at the vehicle end includes:
the Bluetooth key calls a distance sensor in the terminal, and judges whether the Bluetooth key is in a shielding state or not according to the detection result of the distance sensor.
In at least one possible implementation manner, the vehicle-end Bluetooth master module and the vehicle-end Bluetooth slave module perform data interaction through the LIN channel.
In at least one possible implementation manner, the bluetooth key is built in the intelligent terminal of the user in a virtual program form.
The main design concept of the invention is that whether the current environment of the Bluetooth key is a shielding environment or not is obtained, meanwhile, a Bluetooth slave module arranged at the periphery of a vehicle detects the signal value of the Bluetooth key and transmits the signal value to a Bluetooth master module at the vehicle, the Bluetooth master module at the vehicle invokes Bluetooth signal and position mapping data calibrated in advance in shielding and non-shielding environments based on the detected environment information, and the strength of the Bluetooth signal is obtained at present, so that the position of the Bluetooth key is judged, and Bluetooth control is realized. Through practice and comparison with the prior art, the invention can obviously improve the judgment accuracy of the Bluetooth key position.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a flowchart of a method for positioning a bluetooth key for a vehicle according to an embodiment of the present invention;
fig. 2 is a schematic diagram of mapping data calibration according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
The invention provides an embodiment of a positioning method of a bluetooth key for a vehicle, specifically, as shown in fig. 1, the method comprises the following steps:
step S1, a Bluetooth key sends a shielding state or not to a pre-deployed vehicle-end Bluetooth main module, and a plurality of pre-deployed vehicle-end Bluetooth slave modules receive Bluetooth signals of the Bluetooth key;
step S2, the Bluetooth slave module at the vehicle end sends the received Bluetooth signal to the Bluetooth master module at the vehicle end;
s3, the Bluetooth master module at the vehicle end calls pre-calibrated shielding mapping data or shielding-free mapping data according to the shielding state, and positions the current Bluetooth key by combining Bluetooth signals sent by the Bluetooth slave module at the vehicle end; the calibrated mapping data represent the corresponding relation between the Bluetooth signal intensity and the relative vehicle distance.
Further, the calibration mode of the mapping data comprises the following steps:
dividing 7 direction lines from 0 to 180 degrees by taking included angles of 30 degrees as units on the left side and the right side of the vehicle in advance;
an elliptical line is arranged outside the vehicle along the shape of the vehicle, and is intersected with the left-side and right-side direction lines, so that calibration positions in different directions are obtained;
the Bluetooth key is respectively in a non-shielding environment and a shielding environment, and Bluetooth key signal values under different environments and different positions are received by a Bluetooth slave module at a vehicle end;
the Bluetooth slave module at the vehicle end transmits the detected Bluetooth signal to the Bluetooth master module at the vehicle end;
and carrying out positioning calculation according to the Bluetooth signal intensity of the calibration position in the non-shielding or shielding environment by a positioning algorithm preset in the Bluetooth main module at the vehicle end to obtain non-shielding calibration data and shielding calibration data.
Further, the calibration method of the mapping data further comprises:
and respectively constructing a mapping chart according to the non-shielding calibration data and the signal intensity of the Bluetooth key and the position relation of the Bluetooth key relative to the vehicle, and storing the mapping chart.
Further, the sending, by the bluetooth key, whether the blocking state exists or not to the pre-deployed vehicle-end bluetooth main module includes:
the Bluetooth key calls a distance sensor in the terminal, and judges whether the Bluetooth key is in a shielding state or not according to the detection result of the distance sensor.
Further, the vehicle-end Bluetooth master module and the vehicle-end Bluetooth slave module conduct data interaction through the LIN channel.
In the aforementioned calibration mode, as shown in fig. 2, 7 direction lines are divided from 0 ° to 180 ° in units of 30 ° included angles on the left side and the right side of the vehicle in advance, that is, 7 direction lines including 0 °, 30 °, 60 °, 90 °, 120 °, 150 °, and 180 ° on the left side (the right side is the same, and is not described in detail), then, an elliptical line is arranged along the vehicle shape on the outside of the vehicle, and the elliptical line intersects with 14 direction lines on the left side and the right side to obtain calibration positions in different directions (for example, for some vehicle types and corresponding elliptical dimensions, 0.5m, 1.5m, 2m, 2.5m, 3m,6 distance parameters from far to near and corresponding calibration positions can be obtained by combining the direction lines). Then, the Bluetooth key (usually a terminal device of a user, such as a mobile phone) is respectively in an unoccluded environment (for example, the mobile phone is held in a hand) and an occluded environment (for example, the mobile phone is placed in a knapsack), and Bluetooth key signal values in different positions in different environments are received by a Bluetooth slave module at a vehicle end; then, the Bluetooth slave module at the vehicle end transmits the detected Bluetooth signal to the Bluetooth master module at the vehicle end, and a positioning algorithm preset in the Bluetooth master module at the vehicle end performs positioning calculation according to the Bluetooth signal intensities at different calibration positions in the non-shielding and shielding environments, so as to form non-shielding calibration data and shielding calibration data, preferably, the signal value of the Bluetooth key and the position relation of the Bluetooth key relative to the vehicle can be constructed into a mapping chart for storage according to the non-shielding calibration data and the shielding calibration data respectively.
In the actual use stage, a Bluetooth key (mobile phone APP) calls distance sensor data, judges whether the mobile phone is in a shielding state, and transmits a shielding judgment result to a vehicle-end Bluetooth main module after the mobile phone is successfully communicated with the vehicle-end main module through a mobile phone-end Bluetooth SDK; meanwhile, the Bluetooth slave module at the vehicle end collects the signal value of the Bluetooth key and sends the signal value to the Bluetooth master module at the vehicle end through lin communication; the Bluetooth master module at the vehicle end calls corresponding calibration data (shielding/non-shielding) according to whether the mobile phone is in shielding or not, and finally determines that the mobile phone is in the vehicle position according to the signal intensity sent by the Bluetooth slave module at the vehicle end, so that the Bluetooth key is positioned.
The aforementioned master module and slave modules may be implemented using existing hardware and software technologies, and the following examples are provided for reference only: the vehicle-end Bluetooth main module is deployed in the middle part of the vehicle, and specifically comprises a Bluetooth chip and vehicle-end Bluetooth software (integrated with the vehicle-end digital key function), which mainly realizes communication between the vehicle-end and the mobile phone end Bluetooth, receives a signal intensity value detected by the vehicle-end Bluetooth slave module through a LIN channel, and can preset an existing Bluetooth positioning algorithm in the module; the Bluetooth slave module can be used for deploying a plurality of positions of the vehicle, such as front, back, left and right positions of the vehicle, and the like, and specifically comprises a Bluetooth chip and vehicle end slave module software, which is mainly used for collecting Bluetooth signal values of a mobile phone end and transmitting the Bluetooth signal values to a vehicle end Bluetooth master module through a LIN channel.
In summary, the main design concept of the invention is to obtain whether the current environment of the bluetooth key is a shielding environment, and meanwhile, the bluetooth slave modules disposed around the vehicle detect the signal value of the bluetooth key and transmit the signal value to the bluetooth master module, and the bluetooth master module invokes the bluetooth signal and the position mapping data calibrated in advance in the shielding and non-shielding environments based on the detected environment information, and the currently obtained bluetooth signal strength, thereby judging the position of the bluetooth key and further realizing bluetooth control. Through practice and comparison with the prior art, the invention can obviously improve the judgment accuracy of the Bluetooth key position.
In the embodiments of the present invention, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relation of association objects, and indicates that there may be three kinds of relations, for example, a and/or B, and may indicate that a alone exists, a and B together, and B alone exists. Wherein A, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of the following" and the like means any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c may represent: a, b, c, a and b, a and c, b and c or a and b and c, wherein a, b and c can be single or multiple.
The construction, features and effects of the present invention are described in detail according to the embodiments shown in the drawings, but the above is only a preferred embodiment of the present invention, and it should be understood that the technical features of the above embodiment and the preferred mode thereof can be reasonably combined and matched into various equivalent schemes by those skilled in the art without departing from or changing the design concept and technical effects of the present invention; therefore, the invention is not limited to the embodiments shown in the drawings, but is intended to be within the scope of the invention as long as changes made in the concept of the invention or modifications to the equivalent embodiments do not depart from the spirit of the invention as covered by the specification and drawings.
Claims (6)
1. A method for locating a bluetooth key for a vehicle, comprising:
the bluetooth key is to the bluetooth master module of the vehicle end of deployment in advance send have or not shelter from the state, include: the Bluetooth key calls a distance sensor in the terminal, and judges whether the Bluetooth key is in a shielding state or not according to the detection result of the distance sensor;
meanwhile, a plurality of pre-deployed Bluetooth slave modules at the vehicle end receive Bluetooth signals of Bluetooth keys;
the Bluetooth slave module at the vehicle end sends the received Bluetooth signal to the Bluetooth master module at the vehicle end;
the Bluetooth master module at the vehicle end calls pre-calibrated shielding mapping data or shielding-free mapping data according to the shielding state or not, and positions the current Bluetooth key by combining Bluetooth signals sent by the Bluetooth slave module at the vehicle end; the calibrated mapping data represents the corresponding relation between the Bluetooth signal strength and the relative vehicle distance, and the calibration mode of the mapping data comprises the following steps:
dividing a plurality of direction lines on the left side and the right side of the vehicle in advance by taking a preset angle as a unit;
an elliptical line is arranged outside the vehicle along the shape of the vehicle, and is intersected with the left-side and right-side direction lines, so that calibration positions in different directions are obtained;
the Bluetooth key is respectively in a non-shielding environment and a shielding environment, and Bluetooth key signal values of different calibration positions under different environments are received by a Bluetooth slave module at a vehicle end;
the Bluetooth slave module at the vehicle end transmits the detected Bluetooth signal to the Bluetooth master module at the vehicle end;
and carrying out positioning calculation according to the Bluetooth signal intensity of the calibration position in the non-shielding or shielding environment by a positioning algorithm preset in the Bluetooth main module at the vehicle end to obtain non-shielding calibration data and shielding calibration data.
2. The method of claim 1, wherein the dividing the plurality of direction lines in the left and right sides of the vehicle by the predetermined angle includes dividing 14 direction lines from the left and right sides of the vehicle by 0 ° to 180 ° in the unit of 30 ° included angle.
3. The method of claim 1, wherein the calibration location encompasses a number of different distance ranges from the vehicle perimeter.
4. The method for locating a bluetooth key for a vehicle according to claim 1, wherein the calibration method of the mapping data further comprises:
and respectively constructing a mapping chart according to the non-shielding calibration data and the signal intensity of the Bluetooth key and the position relation of the Bluetooth key relative to the vehicle, and storing the mapping chart.
5. The method for locating a bluetooth key for a vehicle according to any one of claims 1 to 4, wherein the bluetooth master module and the bluetooth slave module of the vehicle end perform data interaction through a LIN channel.
6. The method for locating a bluetooth key for a vehicle according to any one of claims 1 to 4, wherein the bluetooth key is built in a virtual program form in a smart terminal of a user.
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| CN202111154839.7A CN113891298B (en) | 2021-09-29 | 2021-09-29 | Bluetooth key positioning method for vehicle |
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| CN116056006A (en) * | 2023-01-31 | 2023-05-02 | 大陆软件***开发中心(重庆)有限公司 | Method for realizing PEPS function |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2955898A1 (en) * | 2014-06-13 | 2015-12-16 | 9Solutions Oy | Method and system for combining beaconing with positioning |
| WO2017051062A1 (en) * | 2015-09-23 | 2017-03-30 | Nokia Technologies Oy | Positioning method |
| CN106792459A (en) * | 2016-12-22 | 2017-05-31 | 青岛亿联客信息技术有限公司 | The method and system of wireless device high accuracy positioning |
| CN107631732A (en) * | 2017-11-02 | 2018-01-26 | 武汉大学 | Mixing indoor positioning method and system based on bluetooth, Wi Fi and sound wave |
| CN109466506A (en) * | 2018-09-18 | 2019-03-15 | 广东远峰汽车电子有限公司 | Vehicle key-free control system and method based on more bluetooth signal intensities |
| WO2019095849A1 (en) * | 2017-11-15 | 2019-05-23 | 阿里巴巴集团控股有限公司 | Vehicle positioning method and apparatus |
| CN109982279A (en) * | 2019-03-28 | 2019-07-05 | 中国科学技术大学 | Indoor orientation method and device based on bluetooth and audio |
| KR20200043130A (en) * | 2018-10-17 | 2020-04-27 | 엘지이노텍 주식회사 | Received Signal Strength Indication Data Stabilizing Method and Apparatus |
| CN111432337A (en) * | 2020-04-20 | 2020-07-17 | 北京经纬恒润科技有限公司 | Positioning method and device of vehicle Bluetooth key |
| CN111986351A (en) * | 2020-07-24 | 2020-11-24 | 联合汽车电子有限公司 | Intelligent key positioning method and system |
| 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 |
| CN113395658A (en) * | 2021-05-17 | 2021-09-14 | 上海电机学院 | Underground power distribution room positioning method based on low-power-consumption Bluetooth |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718859A (en) * | 2008-10-09 | 2010-06-02 | 日电（中国）有限公司 | Method and system for positioning target by adaptive resolution |
| US8547253B2 (en) * | 2009-09-04 | 2013-10-01 | GM Global Technology Operations LLC | Method of determining vehicle location from key fob |
| KR20150074545A (en) * | 2013-12-24 | 2015-07-02 | 현대자동차주식회사 | Method for deciding position of terminal connecting bluetooth inside vehicle |
-
2021
- 2021-09-29 CN CN202111154839.7A patent/CN113891298B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2955898A1 (en) * | 2014-06-13 | 2015-12-16 | 9Solutions Oy | Method and system for combining beaconing with positioning |
| WO2017051062A1 (en) * | 2015-09-23 | 2017-03-30 | Nokia Technologies Oy | Positioning method |
| CN106792459A (en) * | 2016-12-22 | 2017-05-31 | 青岛亿联客信息技术有限公司 | The method and system of wireless device high accuracy positioning |
| CN107631732A (en) * | 2017-11-02 | 2018-01-26 | 武汉大学 | Mixing indoor positioning method and system based on bluetooth, Wi Fi and sound wave |
| WO2019095849A1 (en) * | 2017-11-15 | 2019-05-23 | 阿里巴巴集团控股有限公司 | Vehicle positioning method and apparatus |
| CN109466506A (en) * | 2018-09-18 | 2019-03-15 | 广东远峰汽车电子有限公司 | Vehicle key-free control system and method based on more bluetooth signal intensities |
| KR20200043130A (en) * | 2018-10-17 | 2020-04-27 | 엘지이노텍 주식회사 | Received Signal Strength Indication Data Stabilizing Method and Apparatus |
| CN109982279A (en) * | 2019-03-28 | 2019-07-05 | 中国科学技术大学 | Indoor orientation method and device based on bluetooth and audio |
| CN111432337A (en) * | 2020-04-20 | 2020-07-17 | 北京经纬恒润科技有限公司 | Positioning method and device of vehicle Bluetooth key |
| CN111986351A (en) * | 2020-07-24 | 2020-11-24 | 联合汽车电子有限公司 | Intelligent key positioning method and system |
| CN113395658A (en) * | 2021-05-17 | 2021-09-14 | 上海电机学院 | Underground power distribution room positioning method based on low-power-consumption Bluetooth |
| 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 |
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| CN113891298A (en) | 2022-01-04 |
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