CN112422138B - Wearable device, signal processing method, and computer-readable storage medium - Google Patents
Wearable device, signal processing method, and computer-readable storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
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Abstract
The application relates to a wearable device, a signal processing method and a computer readable storage medium. The wearable device includes: an antenna for receiving a signal, the signal comprising at least one of a keyless entry (PKE) signal and a Near Field Communication (NFC) signal; the signal coupler is connected with the antenna and is used for coupling the PKE signals to the PKE controller and coupling the NFC signals to the NFC controller; the NFC controller is connected with the signal coupler and used for responding to the NFC signal; and the PKE controller is connected with the signal coupler and used for sending out a response signal based on the PKE signal, and the response signal is used for indicating the equipment which sends out the PKE signal to be unlocked. The PKE function can be integrated in the wearable device, the problems that the antenna area is small and the PKE function performance is poor due to the fact that the size of the wearable device is limited are solved, and the PKE function performance can be improved.
Description
Technical Field
The present application relates to the field of wearable device technologies, and in particular, to a wearable device, a signal processing method, and a computer-readable storage medium.
Background
Along with the development of technology, people have higher and higher requirements on the functions of wearable devices such as smart watches, smart bracelets and the like. At present, some wearable equipment manufacturers have integrated the keyless entry function on wearable equipment, can be when wearing wearable equipment and be close to the equipment that needs unblank, and equipment can open the door automatically, does not need the people to control. However, limited by the size of the wearable device, the keyless entry function of the wearable device often cannot accurately identify the signal, and the performance is poor.
Disclosure of Invention
Embodiments of the present application provide a wearable device, a signal processing method, and a computer-readable storage medium, which may improve the performance of a PKE function of the wearable device.
A wearable device, comprising:
an antenna for receiving a signal, the signal comprising at least one of a keyless entry (PKE) signal and a Near Field Communication (NFC) signal;
a signal coupler connected to the antenna for coupling the PKE signal to a PKE controller and the NFC signal to an NFC controller;
the NFC controller is connected with the signal coupler and used for responding the NFC signal;
and the PKE controller is connected with the signal coupler and used for sending a response signal based on the PKE signal, and the response signal is used for indicating the equipment sending the PKE signal to unlock.
A signal processing method is applied to a wearable device, the wearable device comprises an antenna, a signal coupler connected with the antenna, and an NFC controller and a PKE controller connected with the signal coupler, and the method comprises the following steps:
receiving a signal through the antenna, the signal comprising at least one of a PKE signal and an NFC signal;
coupling the PKE signal to a PKE controller and the NFC signal to an NFC controller through a signal coupler;
the NFC controller responds to the NFC signal, and the PKE controller sends out a response signal based on the PKE signal, wherein the response signal is used for indicating equipment sending out the PKE signal to be unlocked.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
receiving a signal, the signal comprising at least one of a PKE signal and an NFC signal;
coupling the PKE signal to a PKE controller and the NFC signal to an NFC controller through a signal coupler;
the NFC controller responds to the NFC signal, and the PKE controller sends out a response signal based on the PKE signal, wherein the response signal is used for indicating equipment sending out the PKE signal to be unlocked.
According to the wearable device, the signal processing method and the computer-readable storage medium, the PKE function and the NFC function can share the same antenna, at least one of a PKE signal and an NFC signal can be received through the antenna, the PKE signal is coupled to the PKE controller through the signal coupler to be processed, the NFC signal is coupled to the NFC controller to be processed, the PKE controller can send out a response signal according to the PKE signal to control the device sending out the PKE signal, namely, the PKE function can be integrated in the wearable device, meanwhile, the problems that the size of the wearable device is limited, the antenna area is small, the performance of the PKE function is poor are avoided, and the performance of the PKE function can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of a wearable device in one embodiment;
fig. 2 is a schematic circuit diagram of a wearable device in another embodiment;
FIG. 3 is a schematic diagram of a wearable device in one embodiment;
FIG. 4 is a schematic structural diagram of a wearable device in a further embodiment;
FIG. 5 is a flow diagram of a signal processing method in one embodiment;
FIG. 6 is a flow diagram of issuing a response message based on a PKE signal in one embodiment;
fig. 7 is a flow chart of a signal processing method in another embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that the terms "first," "second," and the like, as used herein, may be used herein to describe various elements and parameters, but these elements and parameters are not limited by these terms. These terms are only used to distinguish one element from another, or to distinguish one parameter from another. For example, a first period may be referred to as a second period, and similarly, a second period may be referred to as a first period, without departing from the scope of the present application. The first period and the second period are both periods, but they are not the same period.
Fig. 1 is a schematic circuit diagram of a wearable device in one embodiment. In one embodiment, there is provided a wearable device comprising: an antenna 110, a signal coupler 120, a near field communication, NFC, controller 130, and a keyless entry, PKE, controller 140. The antenna 110 is connected to the signal coupler 120, and the signal coupler 120 is connected to the NFC controller 130 and the PKE controller 140, respectively.
An antenna 110 for receiving a signal, the signal comprising at least one of a keyless entry PKE signal and a near field communication NFC signal. The antenna refers to a component for transmitting or receiving electromagnetic waves. Specifically, the antenna can convert the received electromagnetic waves into electrical signals, and can also convert the electrical signals into electromagnetic waves for transmission. The PKE (PASSIVE KEYLESS ENTER, keyless entry system) is a keyless unlocking scheme implemented by using an RFID (Radio Frequency Identification) and device id code Identification system. NFC (Near Field Communication) is a short-range, high-frequency wireless Communication technology. In general, the implementation of the PKE function and the NFC function needs to depend on different antennas, and is limited by the size of the wearable device, and the wearable device often cannot be compatible with the NFC antenna and the PKE antenna. In the embodiment provided by the present application, the NFC function and the PKE function may share one antenna 110, and then the antenna 110 may receive at least one of a PKE signal and an NFC signal.
A signal coupler 120 for coupling the PKE signal to the PKE controller 140 and the NFC signal to the NFC controller 130. A signal coupler refers to a device that can be used to separate signals. In the embodiment of the present application, the signal coupler 120 may distinguish between a PKE signal and an NFC signal included in a signal. Specifically, the signal coupler 120 is connected to the NFC controller 130 and the PKE controller 140, respectively, and may couple the PKE signal included in the signal to the PKE controller 140 and couple the NFC signal included in the signal to the NFC controller 130.
And an NFC controller 130 configured to respond to the NFC signal. The NFC function is mainly applied to mobile payment, electronic ticketing, anti-counterfeiting identification and the like. The NFC controller 130 responds to the NFC signal, and specifically, the NFC function may include three operation modes in practical applications: the peer-to-peer mode of operation, the reader mode, and the NFC card emulation mode, the NFC controller 130 may respond to the NFC signal in different response manners for different modes of operation. The operating mode of the NFC function is determined by the wearable device, and the wearable device may control the NFC controller 130 to respond to the NFC signal in a response manner corresponding to the current operating mode. For example, when the wearable device uses the NFC function to perform peer-to-peer communication, the NFC controller 130 may transmit a response signal of the wearable device based on the NFC signal, establish NFC communication with the device that transmitted the NFC signal, and perform data transmission.
And the PKE controller 140 is configured to issue a response signal based on the PKE signal, where the response signal is used to instruct the device that issued the PKE signal to unlock. The PKE keyless entry system mainly comprises an electronic key, a host and a device, wherein the electronic key corresponds to the wearable device provided by the embodiment of the application, the host is responsible for communication between the wearable device and the device, and the device is the device which sends out the response signal. At present, the PKE function is mainly applied to an automobile, and the corresponding device may refer to a vehicle, and certainly, the PKE function may also be applied to other devices that need to be locked, such as a locker, a building gate, and the like, which is not limited herein. Specifically, after receiving the PKE signal, the PKE controller 140 may verify the PKE signal, and when the verification is passed, send out a corresponding response signal. Therefore, the host of the PKE system can control the equipment which sends the PKE signal to unlock according to the response signal.
The antenna 110 may receive a signal, and the signal coupler 120 may couple an NFC signal included in the received signal to the NFC controller 130 to make the NFC controller 130 respond to the NFC signal; and coupling the PKE signal contained in the received signal to the PKE controller 140, so that the PKE controller sends out a response signal according to the PKE signal, the signal coupler 120 may couple the response signal to the antenna 110, and the antenna 110 may transmit an electromagnetic wave corresponding to the response signal, so that the host receiving the response signal controls the device sending out the PKE signal to unlock.
According to the wearable device provided by the embodiment of the application, the PKE function and the NFC function can share the same antenna, at least one of a PKE signal and an NFC signal can be received through the antenna, the PKE signal is coupled to the PKE controller through the signal coupler to be processed, the NFC signal is coupled to the NFC controller to be processed, the PKE controller can send a response signal according to the PKE signal to control the device sending the PKE signal, namely, the PKE function can be integrated in the wearable device, meanwhile, the problems that the antenna area is small due to the fact that the wearable device is limited in size, the PKE function performance is poor are avoided, and the PKE function performance can be improved.
In one embodiment, the PKE controller 140 is further configured to verify the PKE signal, parse data contained in the PKE signal when the PKE signal is verified, and encrypt the data to generate the response signal.
Specifically, the PKE signal includes data for verification. The wearable device has pre-stored therein calibration data for the associated device, so that the PKE controller 140 can detect whether the PKE signal matches the pre-stored calibration data, and when it is determined that the PKE signal matches the pre-stored calibration data, the calibration is passed; the PKE controller 140 may further analyze the PKE signal, encrypt the analyzed data to generate a response signal, and send the response signal to the host through the antenna 110, so that the host may unlock and analyze the data included in the response information, and if the data matches the data included in the sent PKE signal, control the device to unlock.
The PKE controller 140 verifies the PKE signal, analyzes the PKE signal after the verification is passed, and encrypts the obtained data to generate a response signal, so that the security of the PKE function can be improved.
In one embodiment, the signal coupler 120 is further configured to perform frequency division processing on the signal to obtain at least one of a PKE signal and an NFC signal included in the signal; the PKE signal is coupled to a channel corresponding to the PKE controller 140 and the NFC signal is coupled to a channel corresponding to the NFC controller 130.
Different signal communication technologies typically employ different frequencies for transmission. Currently, the operating frequency of the NFC signal specified by the NFC technical standard is 13.56MHz, and the frequency of the PKE signal transmitted by the PKE-enabled device is 125 KHz. Of course, the frequencies of the NFC signal and the PKE signal are not limited in this application. According to application requirements of different manufacturers or different standards, the NFC signal and the PKE signal may also be transmitted by using other frequencies, which is not limited herein. The signal coupler 120 includes a channel for signal transmission with the PKE controller 140 and a channel for signal transmission with the NFC controller 130.
Specifically, the signal coupler 120 may perform frequency division processing on the received signal according to transmission frequencies adopted by the PKE signal and the NFC signal to obtain at least one of the PKE signal and the NFC signal included in the signal, so as to couple the PKE signal to a channel corresponding to the PKE controller 140 and couple the NFC signal to a channel corresponding to the NFC controller 130. Optionally, the signal coupler 120 may further allocate signal transmission channels of the PKE controller 140 and the NFC controller 130 according to the strengths, powers, or the like of the NFC signal and the PKE signal included in the signal, so as to transmit the signal to the corresponding controllers through the allocated channels. In one embodiment, the stronger the signal strength, the higher the power, and the more channel data that corresponds.
The signal coupler 120 is used for carrying out frequency division processing on the received signals, coupling the NFC signals obtained by frequency division to the NFC controller, and coupling the PKE signals obtained by frequency division to the PKE controller, so that the PKE function and the NFC function can share an antenna, and the performances of the PKE function and the NFC function of the wearable device can be improved. And, through the intensity and power of the signal enter the channel allocation, can improve the flexibility of signal processing.
In one embodiment, signal coupler 120 is further configured to receive the response signal, couple the response signal to the common channel for transmission to antenna 110; the antenna 110 is also used to transmit response signals.
The received signal is coupled to the public channel through the signal coupler so as to be sent to the antenna, and therefore the antenna can emit electromagnetic waves corresponding to the signal, namely signal emission of an NFC function and a PKE function can be carried out through the same antenna, the problem that the application effect of the NFC antenna or the PKE antenna is poor due to the fact that the area of the NFC antenna or the PKE antenna is small in the wearable device can be avoided, and the application effect of the NFC function and the PKE function can be improved.
Fig. 2 is a schematic diagram of a wearable device in another embodiment. As shown in fig. 2, the wearable device includes a master controller 150. The device host 150 is connected to the signal coupler 120, and is configured to acquire a first period corresponding to the NFC function and a second period corresponding to the PKE function when the signal includes a PKE signal and an NFC signal, and control the signal coupler 120 to couple the NFC signal included in the signal received in the first period to the NFC controller 130 and to couple the PKE signal included in the signal received in the second period to the PKE controller 140.
The main controller 150 controls the wearable device. When the signal contains both the PKE signal and the NFC signal, the wearable device may time-share the PKE signal and the NFC signal. The first time interval and the second time interval are time-sharing processing time intervals of the NFC signal and the PKE signal respectively, and the first time interval and the second time interval form a signal processing cycle. Optionally, the first time period and the second time period may be preset time periods according to actual application requirements, and values of the first time period and the second time period are not limited herein. Optionally, the wearable device may further obtain the corresponding first time period and second time period based on different application scenarios, for example, the corresponding first time period and second time period are determined according to the current time, or the corresponding first time period and second time period may also be determined according to the current location information, which is not limited herein.
Specifically, the device host 150 may determine a first period corresponding to the NFC function and a second period corresponding to the PKE function, and control the signal coupler 120 to couple the NFC signal included in the signal received in the first period to the NFC controller 130 and to couple the PKE signal included in the signal received in the second period to the PKE controller 140. For example, when the first period is 0.01s and the second period is 0.02s, the signal coupler 120 continuously receives the signal including both the NFC signal and the PKE signal at 0.1s, the NFC signal included in the received signal of 0-0.01s, 0.03s-0.04s, 0.06s-0.07s, 0.09s-0.1s may be coupled to the NFC controller 130, and the PKE signal included in the received signal of 0.01s-0.03s, 0.04s-0.06s, 0.07s-0.09s may be coupled to the PKE controller 140. Optionally, the signal coupler 120 assigns channels according to the currently coupled signal, for example, during the first time period, the channels are all assigned to the NFC controller 130, so as to transmit the NFC signal to the NFC controller 130 through the channels.
When the signal contains the PKE signal and the NFC signal at the same time, the first time period corresponding to the NFC function and the second time period corresponding to the PKE function are obtained, the NFC signal and the PKE signal are subjected to time-sharing processing according to the first time period and the second time period, signal interference caused by a common antenna can be reduced, and the signal processing effect of the wearable device can be improved.
In one embodiment, the main controller 150 is further configured to obtain target location information of the wearable device, and increase the duration of the second period when the target location information matches the preset location information.
The master controller 150 may obtain target location information where the wearable device is currently located. Specifically, the wearable device may be internally provided with a GPS (Global Positioning System) module, and the GPS module detects target location information of the wearable device; the wearable device may also receive target location information detected by the connected mobile terminal. The preset location information is location information where a PKE enabled device associated with the wearable device may be located. Specifically, the wearable device may receive preset location information for input; the preset location information may also be obtained according to historical data of the wearable device, and optionally, the historical data may be location information of the wearable device in response to a response signal sent by the received PKE signal; the position information may be determined according to a moving path of the wearable device, for example, whether the wearer of the wearable device is in a driving state may be detected, and the position information when the driving state is stopped may be used as the preset position information, which is not limited herein.
The device host 150 may determine whether the target location information matches the preset location information, increase the duration of the second period when it is determined that the target location information matches the preset location information, and control the signal coupler 120 to couple the NFC signal included in the signal received in the first period to the NFC controller 130, and couple the PKE signal included in the signal received in the increased second period to the PKE controller 140. Alternatively, the main controller 150 may determine that the target position information matches the preset position information when the target position information is within the preset range of the preset position information. The preset range may be 1 meter, 3 meters, 5 meters, 10 meters, and the like, which is not limited herein.
By acquiring the current target position information of the wearable device, when the target position information is matched with the preset position information, the duration of the second time interval is increased, and the PKE signals contained in the signals received in the increased second time interval are coupled to the PKE controller, so that the PKE controller can send out response signals based on the PKE signals to control the corresponding device to be unlocked, the accuracy and the efficiency of PKE signal processing can be improved, and the requirements of users are met.
Fig. 3 is a schematic structural diagram of a wearable device in one embodiment. As shown in fig. 3, in one embodiment, a wearable device is provided that includes a body 310. A display component 312 is arranged on the main body 310; the antenna 110 is disposed in a region between the main body 310 and the back of the display assembly 312.
The body 310 is an entity that performs the functions of the wearable device. For example, when the wearable device is a smart watch, the body 310 may include a watch case, a display component 312 connected to the watch case, and processing circuitry and a power source disposed inside the watch case. The antenna 110 may be disposed in the area between the bottom of the case and the back of the display assembly 312. The processing circuit disposed inside the watch case may include a signal coupler 120, an NFC controller 130, and a PKE controller 140, among others. Optionally, the processing circuitry may further comprise a main controller 150.
Fig. 4 is a schematic structural diagram of a wearable device in another embodiment. As shown in fig. 4, in one embodiment, there is provided a wearable device including a main body 410, a wearing component 420, and a connecting component 430; the main body 410 is provided with a signal coupler 120, an NFC controller 130 and a PKE controller 140; the wearing component 420 is provided with an antenna 110; the connection assembly 430 includes a connection interface for connecting the antenna 110 and the signal coupler 120.
Optionally, the main body 410 may further include a watch case, a display screen connected to the watch case, and a processing circuit, a power supply, and the like disposed inside the watch case. The wearing assembly 420 serves to hold the body 410 while the wearable device is worn by the wearer. For example, when the wearer wears the wearable device on the wrist of the human body, the wearing component 420 is used to wear and fix the body 410 on the wrist of the human body. The wearable component 420 of the wearable device has a certain thickness, and the antenna 110 may be a three-dimensional antenna with the thickness, so that the signal transceiving performance and the signal conversion efficiency of the antenna 110 can be improved. Optionally, the antenna 110 may also be partially disposed on the wearing component 420 and partially disposed on the main body 410 according to actual needs.
Through locating wearable equipment's the subassembly of wearing with the antenna, can increase the volume of antenna, improve the radiating area of antenna, the radiating area who leads to under the display screen of avoiding locating the antenna main part or when the main part frame is inboard is little, and the signal is by the display screen separation and the interference, the condition of signal reception failure appears easily, can improve the convenience and the stability that wearable equipment used.
Fig. 5 is a flow diagram of a signal processing method in one embodiment. As shown in fig. 5, in an embodiment, a signal processing method is provided, which is exemplified by applying the signal processing method to the wearable device, where the wearable device may be, but is not limited to, a smart headband, smart glasses, a smart bracelet, a smart arm ring, and the like, and the signal processing method includes:
In general, the implementation of the PKE function and the NFC function needs to depend on different antennas, and is limited by the size of the wearable device, and the wearable device often cannot be compatible with the NFC antenna and the PKE antenna. In an embodiment provided by the present application, the NFC function and the PKE function may share one antenna, and the wearable device may receive a signal through the antenna, where the signal may include at least one of a PKE signal and an NFC signal.
At step 504, a PKE signal is coupled to the PKE controller through the signal coupler, and an NFC signal is coupled to the NFC controller.
A signal coupler refers to a device that can be used to separate signals. Specifically, the signal coupler can distinguish between a PKE signal and an NFC signal contained in the signal. The signal coupler may be connected to the NFC controller and the PKE controller, respectively, and the PKE signal included in the signal may be coupled to the PKE controller and the NFC signal included in the signal may be coupled to the NFC controller through the signal coupler.
And step 506, responding to the NFC signal through the NFC controller, and sending a response signal based on the PKE signal through the PKE controller, wherein the response signal is used for indicating the equipment sending the PKE signal to unlock.
The NFC function may include three operation modes in practical applications: the NFC controller can respond to NFC signals in different response modes aiming at different working modes. The working mode of the NFC function is determined by the wearable device, and the wearable device can control the NFC controller to answer the NFC signal in an answering mode corresponding to the current working mode.
The PKE keyless entry system mainly comprises an electronic key, a host and a device, wherein the electronic key corresponds to the wearable device provided by the embodiment of the application, the host is responsible for communication between the wearable device and the device, and the device is the device which sends out the response signal. At present, the PKE function is mainly applied to an automobile, and the corresponding device may refer to a vehicle, and certainly, the PKE function may also be applied to other devices that need to be locked, such as a locker, a building gate, and the like, which is not limited herein. Specifically, the PKE controller may verify the PKE signal, and when the verification is passed, a corresponding response signal is sent out. Therefore, the host of the PKE system can control the equipment which sends the PKE signal to unlock according to the response signal.
In the embodiment of the application, at least one of a PKE signal and an NFC signal may be received, the PKE signal may be coupled to a PKE controller through a signal coupler for processing, the NFC signal may be coupled to the NFC controller for processing, and the PKE controller may send a response signal according to the PKE signal to control a device that sends the PKE signal, that is, a PKE function may be integrated in a wearable device, and meanwhile, problems of a small antenna area and poor performance of the PKE function due to a limitation of a volume of the wearable device may be avoided, and performance of the PKE function may be improved.
In one embodiment, step 504 may further include performing frequency division processing on the signal through a signal coupler to obtain at least one of a PKE signal and an NFC signal included in the signal, coupling the PKE signal to a channel corresponding to the PKE controller, and coupling the NFC signal to a channel corresponding to the NFC controller. Optionally, the signal processing method may further allocate signal transmission channels of the PKE controller and the NFC controller according to the strengths, powers, or the like of the NFC signal and the PKE signal included in the signal through the signal coupler, so as to transmit the signal to the corresponding controller through the allocated channels.
The signal coupler is used for carrying out frequency division processing on the received signals, the NFC signals obtained through frequency division are coupled to the NFC controller, and the distributed PKE signals are coupled to the PKE controller, so that the PKE function and the NFC function can share an antenna, and the performances of the PKE function and the NFC function of the wearable device can be improved. And, through the intensity and power of the signal enter the channel allocation, can improve the flexibility of signal processing.
In one embodiment, the signal processing method provided after step 506 further includes: receiving the response signal through the signal coupler, and coupling the response signal to the public channel to be sent to the antenna; the response signal is transmitted through an antenna.
The received signal is coupled to the public channel through the signal coupler so as to be sent to the antenna, and therefore the antenna can emit electromagnetic waves corresponding to the signal, namely signal emission of an NFC function and a PKE function can be carried out through the same antenna, the problem that the application effect of the NFC antenna or the PKE antenna is poor due to the fact that the area of the NFC antenna or the PKE antenna is small in the wearable device can be avoided, and the application effect of the NFC function and the PKE function can be improved.
As shown in fig. 6, in one embodiment, the process of issuing a response signal by the PKE controller based on the PKE signal in step 506 further includes:
at step 602, the PKE signal is verified by the PKE controller.
And step 604, when the PKE signal passes the inspection, analyzing data contained in the PKE signal.
And 606, encrypting data contained in the PKE signal to obtain a response signal, and sending the response signal to the signal coupler.
The PKE signal is verified through the PKE controller, the PKE signal is analyzed after the verification is passed, and the obtained data is encrypted to generate a response signal, so that the safety of the PKE function can be improved.
In one embodiment, when the signal includes a PKE signal and an NFC signal, the wearable device may acquire a first period corresponding to the NFC function and a second period corresponding to the PKE function, and control the signal coupler to couple the NFC signal included in the signal received during the first period to the NFC controller and to couple the PKE signal included in the signal received during the second period to the PKE controller.
When the signal contains the PKE signal and the NFC signal at the same time, the first time period corresponding to the NFC function and the second time period corresponding to the PKE function are obtained, the NFC signal and the PKE signal are subjected to time-sharing processing according to the first time period and the second time period, signal interference caused by a common antenna can be reduced, and the signal processing effect of the wearable device can be improved.
Fig. 7 is a flowchart of a signal processing method in another embodiment. As shown in fig. 7, in one embodiment, a signal processing method is provided that includes:
in step 702, a signal is received through an antenna, wherein the signal comprises a PKE signal and an NFC signal.
In step 704, a first time period corresponding to the NFC function and a second time period corresponding to the PKE function are acquired.
In step 708, when the target location information matches the preset location information, the duration of the second time period is increased.
In step 710, the signal coupler is controlled to couple the NFC signal included in the signal received in the first period to the NFC controller, and to couple the PKE signal included in the increased signal received in the second period to the PKE controller.
And 712, responding the NFC signal by the NFC controller, and sending a response signal based on the PKE signal by the PKE controller, where the response signal is used to instruct the device sending the PKE signal to unlock.
By acquiring the current target position information of the wearable device, when the target position information is matched with the preset position information, the duration of the second time interval is increased, and the PKE signals contained in the signals received in the increased second time interval are coupled to the PKE controller, so that the PKE controller can send out response signals based on the PKE signals to control the corresponding device to be unlocked, the accuracy and the efficiency of PKE signal processing can be improved, and the requirements of users are met.
It should be understood that although the various steps in the flowcharts of fig. 5-7 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 5-7 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
The embodiment of the application also provides a computer readable storage medium. One or more non-transitory computer-readable storage media containing computer-executable instructions that, when executed by one or more processors, cause the processors to perform the steps of a signal processing method.
A computer program product comprising instructions which, when run on a computer, cause the computer to perform a signal processing method.
Any reference to memory, storage, database, or other medium used herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), synchronous Link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. A wearable device, comprising:
an antenna for receiving signals including a keyless entry (PKE) signal and a Near Field Communication (NFC) signal;
a signal coupler connected to the antenna for coupling the PKE signal to a PKE controller and the NFC signal to an NFC controller;
the device comprises a host controller, a signal coupler and a PKE controller, wherein the host controller is used for acquiring a first time interval corresponding to an NFC function and a second time interval corresponding to a PKE function, controlling the signal coupler to couple an NFC signal contained in a signal received in the first time interval to the NFC controller and couple a PKE signal contained in a signal received in the second time interval to the PKE controller;
the NFC controller is connected with the signal coupler and used for responding the NFC signal;
the PKE controller is connected with the signal coupler and used for sending out a response signal based on the PKE signal, and the response signal is used for indicating the equipment which sends out the PKE signal to be unlocked;
the main controller is further configured to acquire target location information of the wearable device, and increase the duration of the second time period when the target location information matches preset location information, where the target location information is determined according to historical data of the wearable device, and the historical data includes at least one of location information of the wearable device when the wearable device sends a historical response signal according to the received historical PKE signal and a movement path of the wearable device.
2. The wearable device of claim 1, wherein the PKE controller is further configured to verify the PKE signal, parse data contained in the PKE signal when the PKE signal is verified, and encrypt the data to generate the response signal.
3. The wearable device of claim 1, wherein the signal coupler is further configured to perform frequency division processing on the signal to obtain a PKE signal and an NFC signal included in the signal, couple the PKE signal to a signal transmission channel corresponding to the PKE controller, and couple the NFC signal to a signal transmission channel corresponding to the NFC controller.
4. The wearable device of claim 3, wherein the signal coupler is further configured to assign the signal transmission channels corresponding to the PKE controller and the NFC controller according to the signal strength and power of the PKE signal and the NFC signal.
5. The wearable device of claim 1, wherein the signal coupler is further configured to receive the response signal, couple the response signal to a common channel for transmission to the antenna; the antenna is also used for transmitting the response signal.
6. The wearable device according to claim 1, wherein the master controller is further configured to determine that the target location information matches the preset location information when the target location information is within a preset range of the preset location information.
7. The wearable device of claim 1, comprising a body; the main body is provided with a display component;
the antenna is disposed in a region between the main body and a back of the display assembly.
8. The wearable device of claim 1, comprising a body, a wearing component, and a connection component;
the signal coupler, the NFC controller and the PKE controller are arranged on the main body;
the antenna is arranged on the wearing component;
the connecting assembly comprises a connecting interface for connecting the antenna with the signal coupler.
9. The signal processing method is applied to a wearable device, wherein the wearable device comprises an antenna, a signal coupler connected with the antenna, and an NFC controller and a PKE controller which are connected with the signal coupler; the method comprises the following steps:
receiving signals through the antenna, the signals including PKE signals and NFC signals;
acquiring a first time period corresponding to an NFC function and a second time period corresponding to a PKE function;
acquiring target position information of the wearable device at present;
when the target position information is matched with preset position information, increasing the duration of the second time interval; the target location information is determined from historical data of the wearable device, the historical data including at least one of location information at the time the wearable device issues a historical response signal from a received historical PKE signal and a path of movement of the wearable device;
controlling the signal coupler to couple an NFC signal contained in the signal received in the first period to the NFC controller and couple a PKE signal contained in the signal received in the increased second period to the PKE controller;
the NFC controller responds to the NFC signal, and the PKE controller sends out a response signal based on the PKE signal, wherein the response signal is used for indicating equipment sending out the PKE signal to be unlocked.
10. The method of claim 9, wherein said issuing, by the PKE controller, a response signal based on the PKE signal comprises:
verifying, by the PKE controller, the PKE signal;
when the PKE signal passes the inspection, analyzing data contained in the PKE signal;
and encrypting the data contained in the PKE signal to obtain the response signal, and sending the response signal to the signal coupler.
11. The method of claim 9, wherein after said responding to the NFC signal by the NFC controller and issuing a response signal based on the PKE signal by the PKE controller, the method further comprises:
receiving the response signal through the signal coupler, coupling the response signal to a common channel for transmission to the antenna;
transmitting the response signal through the antenna.
12. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 9 to 11.
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| CN106105046A (en) * | 2013-11-08 | 2016-11-09 | 安德烈亚·托马西尼 | There is LED, bluetooth and RFID/NFC technology with from the equipment receiving information connected and the wearable electronic components storing for individual's identification and data/exchanging |
| CN106458159A (en) * | 2014-04-30 | 2017-02-22 | 德韧营运有限责任公司 | Vehicular keyless entry system |
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| US9786108B2 (en) * | 2015-06-03 | 2017-10-10 | Nxp B.V. | NFC based secure car key |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106105046A (en) * | 2013-11-08 | 2016-11-09 | 安德烈亚·托马西尼 | There is LED, bluetooth and RFID/NFC technology with from the equipment receiving information connected and the wearable electronic components storing for individual's identification and data/exchanging |
| CN106458159A (en) * | 2014-04-30 | 2017-02-22 | 德韧营运有限责任公司 | Vehicular keyless entry system |
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