CN114845271A - UWB-based digital key and starting method - Google Patents
UWB-based digital key and starting method Download PDFInfo
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- CN114845271A CN114845271A CN202210447822.9A CN202210447822A CN114845271A CN 114845271 A CN114845271 A CN 114845271A CN 202210447822 A CN202210447822 A CN 202210447822A CN 114845271 A CN114845271 A CN 114845271A
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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
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
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- 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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- General Physics & Mathematics (AREA)
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Abstract
The invention provides a digital key and a starting method based on UWB, which is characterized in that a mobile phone peripheral end is arranged and used for being connected with a mobile phone end, and a second UWB module and a USB (universal serial bus) transfer port used for being connected with the mobile phone end are arranged at the mobile phone peripheral end; sending a UWB digital key to a mobile phone end through a cloud server of the automobile end; generating a digital key through an APP module of a mobile phone end; according to BLE signal intensity between the second BLE module and the first BLE module, if a preset value is reached, the second BLE module is connected with the first BLE module, the OTG module activates the second UWB module and the first UWB module at the automobile end to position, and positioning information is obtained, the automobile is started after conditions are met, the function of a complete UWB digital key can be realized, an entity key can be separated, and portability is enhanced. Meanwhile, the mobile phone peripheral end can realize charging through the mobile phone end, and the limitation of an energy consumption module is eliminated while information interaction is realized.
Description
Technical Field
The invention relates to the technical field of driving assistance or intelligent driving, in particular to a UWB-based digital key and a starting method.
Background
With the increasing requirements of people on positioning accuracy and safety, an automobile digital key system adopting an Ultra Wideband (UWB) technology and a low-power consumption Bluetooth (BLE) technology gradually becomes a necessary technology of a digital key. It can use cell-phone digital key APP to carry out remote control to the vehicle: the traditional PEPS has the function of sharing the digital key through the cloud end to other devices for use.
UWB digital keys can be practically divided into physical keys and digital keys, both of which integrate a UWB module and a BLE module. The entity key is independent equipment powered by a button battery, so that the key has the defects of inconvenience in carrying and high power consumption. When the UWB digital key is used for distance measurement and positioning, the mobile phone is required to support the UWB function, but most mobile phones in the current market are not integrated with a UWB module, so that most mobile phones cannot realize the function of the UWB digital key.
Disclosure of Invention
Aiming at the technical problem, the invention aims to integrate a mobile phone peripheral with a UWB module on a mobile phone without the UWB module in a USB port connection mode, so that the mobile phone without the UWB module can also complete the function of a UWB digital key; the power consumption problem caused by frequently carrying physical keys can be improved.
Specifically, the UWB-based digital key of the present invention includes an automobile terminal and a mobile phone terminal, and further includes: and a mobile phone peripheral end.
The mobile phone peripheral end is provided with a second UWB module and a USB (universal serial bus) adapter used for being connected with the mobile phone end; and after the mobile phone peripheral end is connected with the mobile phone end, a second BLE module of the mobile phone end activates the second UWB module through OTG module communication to realize the UWB digital key function.
Further, the automobile end at least comprises a first BLE module, a first UWB module and a cloud server; wherein the content of the first and second substances,
the first BLE module is in communication connection with the first UWB module; and the cloud server provides a digital key for the mobile phone terminal.
Wherein the first BLE module is in a BLE signal communication connection with the second BLE module.
The first UWB module performs UWB signal communication with the second UWB module.
The mobile phone end is connected with the USB switching interface through the OTG module and provides a power supply for the mobile phone peripheral end.
Further, according to BLE signal intensity between the second BLE module and the first BLE module, if a preset value is reached, the second BLE module is connected with the first BLE module, meanwhile, the second UWB module and the first UWB module at the automobile end are activated through the OTG module to carry out positioning, positioning information is obtained, and the automobile is started after conditions are met.
As another preferred, the present invention further provides a startup method based on a UWB digital key, comprising the steps of:
s1: sending a UWB digital key to a mobile phone end through a cloud server of the automobile end; generating a digital key through an APP module of a mobile phone end;
s2: judging whether the BLE signal strength between the second BLE module and the first BLE module reaches a preset value, and if so, turning to S3; otherwise, after the BLE signal strength is reached, the step S3 is carried out;
s3: the second BLE module is connected with the first BLE module, and meanwhile, the OTG module activates the mobile phone peripheral end to acquire the positioning information of the automobile end and starts the automobile.
The mobile phone peripheral end is connected with the OTG module through a USB (universal serial bus) adapter interface to perform charging and information interaction.
And the mobile phone peripheral end carries out UWB signal communication with the first UWB module of the automobile end through the second UWB module to acquire the distance between the automobile end and the mobile phone peripheral end.
In summary, the present invention provides a digital key and a start method based on UWB, wherein a mobile phone peripheral end is provided for connecting with a mobile phone end, and the mobile phone peripheral end is provided with a second UWB module and a USB interface for connecting with the mobile phone end; sending a UWB digital key to a mobile phone end through a cloud server of the automobile end; generating a digital key through an APP module of a mobile phone end; according to BLE signal intensity between the second BLE module and the first BLE module, if a preset value is reached, the second BLE module is connected with the first BLE module, the OTG module activates the second UWB module and the first UWB module at the automobile end to position, and positioning information is obtained, the automobile is started after conditions are met, the function of a complete UWB digital key can be realized, an entity key can be separated, and portability is enhanced. Meanwhile, the mobile phone peripheral end can realize charging through the mobile phone end, and the limitation of an energy consumption module is eliminated while information interaction is realized.
Drawings
Fig. 1 is a schematic diagram of a UWB-based digital key according to the present invention.
Fig. 2 is a flowchart of a starting method based on a UWB digital key according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the UWB-based digital key according to the present invention includes an automobile end and a mobile phone end, and further includes: and a mobile phone peripheral end.
The mobile phone peripheral end is provided with a second UWB module and a USB (universal serial bus) adapter used for being connected with the mobile phone end; and after the mobile phone peripheral end is connected with the mobile phone end, a second BLE module of the mobile phone end activates the second UWB module through OTG module communication to realize the UWB digital key function.
Further, the automobile end at least comprises a first BLE module, a first UWB module and a cloud server; wherein the content of the first and second substances,
the first BLE module is in communication connection with the first UWB module; and the cloud server provides a digital key for the mobile phone terminal.
Wherein the first BLE module is in a BLE signal communication connection with the second BLE module.
The first UWB module performs UWB signal communication with the second UWB module.
The mobile phone end is connected with the USB switching interface through the OTG module and provides a power supply for the mobile phone peripheral end.
Further, according to BLE signal intensity between the second BLE module and the first BLE module, if a preset value is reached, the second BLE module is connected with the first BLE module, and meanwhile, the OTG module activates the second UWB module to acquire positioning information of an automobile end and start the automobile.
As another preferred mode, as shown in fig. 2, the present invention further provides a startup method based on a UWB digital key, including the steps of:
s1: sending a UWB digital key to a mobile phone end through a cloud server of the automobile end; generating a digital key through an APP module of a mobile phone end;
s2: judging whether the BLE signal strength between the second BLE module and the first BLE module reaches a preset value, and if so, turning to S3; otherwise, after the BLE signal strength is reached, the step is switched to S3;
s3: the second BLE module is connected with the first BLE module, and meanwhile, the OTG module activates the mobile phone peripheral end to position, acquires the positioning information of the automobile end, and starts the automobile after the conditions are met.
The mobile phone peripheral end is connected with the OTG module through a USB (universal serial bus) adapter interface to perform charging and information interaction.
The mobile phone peripheral end carries out UWB signal communication with the first UWB module of the automobile end through the second UWB module, acquires the distance of the automobile end and the mobile phone peripheral end.
As another embodiment, the startup method based on UWB digital key according to the present invention includes:
the cloud server of the automobile end sends the UWB digital key to the mobile phone end in response to actively acquiring the instruction, for example, after a user parks the automobile, when the automobile is locked, the cloud server is synchronously informed to generate the UWB digital key, and the UWB digital key is not selected to be sent to the mobile phone end within the preset time. After waiting for the preset time, when a second BLE module of the mobile phone end receives a BLE signal of a first BLE module of the automobile end, after the BLE signal reaches a preset value through a preset time or distance, the cloud server sends the UWB digital key to the mobile phone end.
Optionally, after the self-locking vehicle can be selected, the cloud server generates a UWB digital key and immediately sends the key to the mobile phone end, but the mobile phone end is not connected with the mobile phone peripheral end at the moment, the USB transfer port of the mobile phone peripheral end is connected to the OTG module of the mobile phone end, and when the mobile phone peripheral end enters the working state, UWB signal communication is carried out between the second UWB module and the first UWB module of the vehicle end, the distance between the vehicle end and the mobile phone peripheral end is obtained, when the distance reaches a preset value, the APP module of the mobile phone end generates the digital key, and then the digital key is communicated between the BLE modules, position information is given to the vehicle body, and after the vehicle body control system judges OK, the unlocking of the vehicle is realized.
Preferably, when the mobile phone peripheral end receives a signal that the current position of the automobile end is the optimal position, information indicating that the current position of the digital key is the optimal position may be displayed on the mobile phone end display. For example, the display of the information indicating that the current position of the numeric key is the optimum position may be an OK character.
According to an exemplary embodiment of the present invention, a vehicle configured to inform a user of an optimal tag position of a digital key according to a signal received from the digital key and a method of controlling the vehicle may be provided.
According to an exemplary embodiment of the present invention, a vehicle configured to inform a user whether a digital key is close to an optimal tag position according to a signal received from the digital key and a method of controlling the vehicle may be provided.
In addition, the present invention may provide a computer readable storage medium comprising a computer program for testing, the computer program being executable by a processor to perform the signal location calibration method for a digital key system or the APP module generation digital key as described above.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. The utility model provides a based on UWB digital key, includes car end and cell-phone end, its characterized in that still includes: a mobile phone peripheral end; arranging a second UWB module and a USB (universal serial bus) adapter for connecting with the mobile phone end at the mobile phone peripheral end; and after the mobile phone peripheral end is connected with the mobile phone end, the second BLE module of the mobile phone end activates the second UWB module of the mobile phone peripheral end through OTG module communication to realize the UWB digital key function.
2. The UWB-based digital key of claim 1, further comprising: the automobile end at least comprises a first BLE module, a first UWB module and a cloud server; wherein the content of the first and second substances,
the first BLE module is in communication connection with the first UWB module; and the cloud server provides a digital key for the mobile phone terminal.
3. The UWB digital key according to claim 2, wherein the first BLE module is connected in BLE signal communication with the second BLE module.
4. The UWB-based digital key of claim 3, wherein the first UWB module is in UWB signal communication with the second UWB module.
5. The UWB digital key according to claim 4, wherein the mobile phone end is connected with the USB adapter interface through an OTG module to provide power for the mobile phone peripheral end.
6. The UWB digital key according to claim 5, wherein the cloud server sends the UWB digital key to the mobile phone end, and the digital key is generated through an APP module of the mobile phone end.
7. The UWB digital key according to claim 6, wherein according to BLE signal strength between the second BLE module and the first BLE module, if a preset value is reached, the second BLE module is connected to the first BLE module, and the OTG module activates the second UWB module to position with the first UWB module at the vehicle end, and acquires positioning information, and starts the vehicle after conditions are met.
8. A starting method based on a UWB digital key is characterized by comprising the following steps:
s1: sending a UWB digital key to a mobile phone end through a cloud server of the automobile end; generating a digital key through an APP module of a mobile phone end;
s2: judging whether the BLE signal strength between the second BLE module and the first BLE module reaches a preset value, and if so, turning to S3; otherwise, after the BLE signal strength is reached, the step is switched to S3;
s3: the second BLE module is connected first BLE module, simultaneously through the OTG module activation the second UWB module is fixed a position with the first UWB module of car end to acquire locating information, open the car after satisfying the condition.
9. The starting method based on the UWB digital key according to claim 8, wherein the mobile phone peripheral end is connected to the OTG module through a USB interface to obtain power and information interaction.
10. The starting method based on the UWB digital key according to claim 9, wherein the mobile phone peripheral end performs UWB signal communication with the first UWB module of the automobile end through the second UWB module to obtain a distance between the automobile end and the mobile phone peripheral end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210447822.9A CN114845271A (en) | 2022-04-27 | 2022-04-27 | UWB-based digital key and starting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210447822.9A CN114845271A (en) | 2022-04-27 | 2022-04-27 | UWB-based digital key and starting method |
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| CN114845271A true CN114845271A (en) | 2022-08-02 |
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| CN202210447822.9A Pending CN114845271A (en) | 2022-04-27 | 2022-04-27 | UWB-based digital key and starting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024103416A1 (en) * | 2022-11-18 | 2024-05-23 | 华为技术有限公司 | Vehicle unlocking method and digital key |
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- 2022-04-27 CN CN202210447822.9A patent/CN114845271A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024103416A1 (en) * | 2022-11-18 | 2024-05-23 | 华为技术有限公司 | Vehicle unlocking method and digital key |
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