CN107613495B - Unlocking control method and control terminal based on antenna signals - Google Patents
Unlocking control method and control terminal based on antenna signals Download PDFInfo
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- CN107613495B CN107613495B CN201710902925.9A CN201710902925A CN107613495B CN 107613495 B CN107613495 B CN 107613495B CN 201710902925 A CN201710902925 A CN 201710902925A CN 107613495 B CN107613495 B CN 107613495B
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Abstract
The invention relates to the technical field of wireless communication, and discloses an unlocking control method and a control terminal based on antenna signals, which comprise the following steps: when the control terminal detects that the controlled equipment is in a locked state, the detection antenna is triggered to send a low-frequency signal, and the detection antenna is triggered to receive a response signal returned by the mobile equipment aiming at the low-frequency signal, wherein the mobile equipment is the mobile equipment in a target range formed by taking the position of the detection antenna as the center and taking a preset distance as the radius, the control terminal judges whether the mobile equipment returning the response signal belongs to legal equipment appointed by the controlled equipment, and if the mobile equipment belongs to the legal equipment appointed by the controlled equipment, the control terminal triggers the controlled equipment to execute unlocking operation. Therefore, the unlocking method and the unlocking device can unlock the equipment quickly, improve the unlocking safety, simplify the unlocking operation and further improve the unlocking efficiency.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to an unlocking control method and a control terminal based on antenna signals.
Background
With the continuous progress of society, the security of devices such as automobiles is becoming a focus of attention, and in order to ensure the security of the devices, people usually lock the devices to protect information and property from being stolen by others. In practical application, aiming at the existing common equipment lock, firstly, a user needs to trigger and start an unlocking mode through a key or a touch device of the equipment, and then the user needs to complete a series of unlocking operations to unlock the equipment lock so as to successfully unlock the equipment, so that the whole process is complex in operation and low in unlocking efficiency.
Disclosure of Invention
The embodiment of the invention discloses an unlocking control method and a control terminal based on antenna signals, which can simplify unlocking operation and improve unlocking efficiency.
The first aspect of the embodiment of the invention discloses an unlocking control method based on antenna signals, which comprises the following steps:
when the control terminal detects that the controlled equipment is in a locking state, the control terminal triggers the detection antenna to send a low-frequency signal;
the control terminal triggers the detection antenna to receive a response signal returned by the mobile equipment aiming at the low-frequency signal, wherein the mobile equipment is in a target range formed by taking the position of the detection antenna as the center and taking a preset distance as the radius;
the control terminal judges whether the mobile equipment returning the response signal belongs to legal equipment appointed by the controlled equipment or not;
and if the mobile equipment belongs to legal equipment designated by the controlled equipment, the control terminal triggers the controlled equipment to execute unlocking operation.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, after the control terminal triggers the controlled device to perform an unlocking operation, the method further includes:
the control terminal acquires all available working frequency bands of the built-in antenna of the mobile device, selects a target frequency band with the minimum occupancy rate from all the available working frequency bands, and sends an adjusting instruction to the detection antenna, wherein the adjusting instruction is used for adjusting the current frequency band of the detection antenna to the target frequency band. As an optional implementation manner, in the first aspect of the embodiment of the present invention, the determining, by the control terminal, whether the mobile device returning the response signal belongs to a legal device specified by the controlled device includes:
the control terminal analyzes the response signal to obtain first key information and an identity of the mobile equipment, wherein the first key information and the identity of the mobile equipment are included in the response signal;
the control terminal judges whether the first key information is matched with second key information prestored in the control terminal and whether the identity mark is matched with an identity mark of legal equipment prestored in the control terminal, wherein the second key information is legal unlocking key information appointed by the controlled equipment, and the identity mark of the legal equipment prestored in the control terminal is an identity mark of the legal equipment which is appointed by the controlled equipment and allowed to be unlocked;
and when the first key information is matched with the second key information and the identity is matched with the identity of legal equipment prestored in the control terminal, determining that the mobile equipment belongs to the legal equipment appointed by the controlled equipment.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, the triggering, by the control terminal, the probe antenna to receive a response signal returned by the mobile device for the low-frequency signal includes:
the control terminal triggers the detection antenna to receive a first response signal returned by the mobile equipment aiming at the low-frequency signal;
the control terminal receives first prompt information sent by a started antenna monitoring device, wherein the first prompt information is triggered and sent by the antenna monitoring device when detecting that the signal strength of the first response signal is lower than a first threshold value;
the control terminal calls a signal direction detector to determine the direction of the first response signal according to the first prompt information, triggers a standby directional antenna to start, and adjusts the receiving direction of the standby directional antenna to the direction of the first response signal, so that the standby directional antenna receives a second response signal returned by the mobile device for the low-frequency signal from the direction of the first response signal;
and the control terminal determines that the second response signal is a response signal returned by the mobile equipment for the low-frequency signal.
As an optional implementation manner, in the first aspect of the embodiment of the present invention, after the controlling terminal detects that the controlled device is in the locked state and triggers the detecting antenna to send the low frequency signal, the method further includes:
the control terminal triggers and starts an antenna monitoring device, and the antenna monitoring device is used for monitoring the signal intensity of the low-frequency signal sent by the detection antenna;
the control terminal receives second prompt information sent by the antenna monitoring device, wherein the second prompt information is triggered and sent by the antenna monitoring device when the antenna monitoring device detects that the signal intensity of the low-frequency signal is lower than a second threshold value;
and the control terminal triggers and starts a signal amplifier according to the received second prompt information, wherein the signal amplifier is used for enhancing the signal intensity of the low-frequency signal.
A second aspect of the embodiments of the present invention discloses a control terminal, including:
the detection unit is used for detecting whether the controlled equipment is in a locking state;
the transmitting unit is used for triggering the detection antenna to transmit a low-frequency signal when the detection unit detects that the controlled equipment is in a locked state;
the receiving unit is used for triggering the detection antenna to receive a response signal returned by the mobile equipment aiming at the low-frequency signal, and the mobile equipment is in a target range formed by taking the position of the detection antenna as the center and taking a preset distance as a radius;
the judging unit judges whether the mobile equipment returning the response signal belongs to legal equipment appointed by the controlled equipment or not according to the response signal received by the receiving unit;
and the execution unit is used for triggering the controlled equipment to execute unlocking operation when the judging unit judges that the mobile equipment belongs to the legal equipment designated by the controlled equipment.
As an optional implementation manner, in a second aspect of the embodiment of the present invention, the control terminal further includes:
the mobile device comprises a selection unit, a frequency conversion unit and a frequency conversion unit, wherein the selection unit is used for acquiring all available working frequency bands of the built-in antenna of the mobile device and selecting a target frequency band with the minimum occupancy rate from all the available working frequency bands;
the sending unit is further configured to send an adjustment instruction to the probe antenna, where the adjustment instruction is used to adjust the current frequency band of the probe antenna to the target frequency band.
As an optional implementation manner, in the second aspect of the embodiment of the present invention, the determining unit includes:
the analysis subunit is configured to analyze the response signal to obtain first key information and an identity of the mobile device that are included in the response signal;
a judging subunit, configured to judge whether the first key information matches second key information prestored in the control terminal and whether the identity matches an identity of a legal device prestored in the control terminal, where the second key information is legal unlocking key information specified by the controlled device, and the identity of the legal device prestored in the control terminal is an identity of a legal device specified by the controlled device and allowed to be unlocked;
and the first determining subunit is configured to determine that the mobile device belongs to the legal device specified by the controlled device when the determining subunit determines that the first key information matches the second key information and that the identity matches an identity of a legal device prestored in the control terminal.
As an optional implementation manner, in a second aspect of the embodiment of the present invention, the receiving unit includes:
the receiving subunit is configured to trigger the detection antenna to receive a first response signal returned by the mobile device for the low-frequency signal, and receive first prompt information sent by a started antenna monitoring apparatus, where the first prompt information is triggered and sent by the antenna monitoring apparatus when detecting that the signal strength of the first response signal is lower than a first threshold;
the sub-unit is used for calling a signal direction detector to determine the direction of the first response signal according to the first prompt information, triggering a standby directional antenna to start, and adjusting the receiving direction of the standby directional antenna to the direction of the first response signal, so that the standby directional antenna receives a second response signal returned by the mobile device for the low-frequency signal from the direction of the first response signal;
a second determining subunit, configured to determine that the second response signal is a response signal returned by the mobile device for the low-frequency signal.
As an optional implementation manner, in a second aspect of the embodiment of the present invention, the control terminal further includes:
the starting unit is used for triggering and starting an antenna monitoring device, and the antenna monitoring device is used for monitoring the signal intensity of the low-frequency signal sent by the detection antenna;
the receiving unit is further configured to receive second prompt information sent by the antenna monitoring device, where the second prompt information is triggered and sent by the antenna monitoring device when the antenna monitoring device detects that the signal strength of the low-frequency signal is lower than a second threshold;
the starting unit is further configured to trigger a starting signal amplifier according to the received second prompt information, where the signal amplifier is configured to enhance the signal strength of the low-frequency signal.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, when the control terminal detects that the controlled equipment is in a locked state, the control terminal triggers the detection antenna to send a low-frequency signal, triggers the detection antenna to receive a response signal returned by the mobile equipment aiming at the low-frequency signal, then judges whether the mobile equipment returning the response signal belongs to legal equipment appointed by the controlled equipment or not, and if the mobile equipment belongs to the legal equipment appointed by the controlled equipment, the control terminal triggers the controlled equipment to execute unlocking operation. The method and the device for unlocking the controlled equipment can unlock the controlled equipment immediately after the user holding the legal equipment triggers the unlocking operation by one key, and compared with the prior unlocking technology that the controlled equipment can be unlocked only after the user carries out a series of complicated verification operations, the method and the device for unlocking the controlled equipment simplify the unlocking operation and improve the unlocking efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flowchart of an unlocking control method based on antenna signals according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of another unlocking control method based on antenna signals according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another control terminal disclosed in the embodiment of the present invention.
Detailed Description
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.
It is to be noted that the terms "comprises" and "comprising" and any variations thereof in the embodiments and drawings of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The embodiment of the invention discloses an unlocking control method and a control terminal based on antenna signals, which can simplify unlocking operation and improve unlocking efficiency. The following are detailed below.
Example one
Referring to fig. 1, fig. 1 is a schematic flowchart illustrating an unlocking control method based on antenna signals according to an embodiment of the present invention. As shown in fig. 1, the antenna signal-based unlocking control method may include the operations of:
101. and when the control terminal detects that the controlled equipment is in a locking state, the control terminal triggers the detection antenna to send a low-frequency signal.
In an embodiment of the present invention, for example, the controlled device may be an automobile, and when a control terminal of the automobile detects that a door and a window of the automobile are in a closed state, the control terminal may determine that the automobile is currently in a locked state, at this time, the control terminal triggers a control device that sends a start instruction to a detection antenna, and after receiving the start instruction, the control device of the detection antenna triggers the detection antenna to send a low frequency signal, where the detection antenna may be externally disposed on a top of the automobile. Therefore, the embodiment of the invention triggers the detection antenna to send the signal when the control terminal detects that the controlled equipment is in the locking state, can pertinently send the signal, avoids the long-time signal sending process, is beneficial to reducing the electric quantity of the automobile consumed when the detection antenna sends the signal, and achieves the purpose of energy saving.
Optionally, when the control terminal detects that the controlled device is in the locked state, the control terminal may further trigger the transmitting antenna to continuously transmit the interference signal.
In the embodiment of the invention, when a legal user unlocks the controlled equipment, some illegal personnel attempting to steal usually obtain a response signal sent by the mobile equipment held by the legal user when the mobile equipment is in communication connection with the control terminal through some transceiving devices, steal key information and an identity mark contained in the response signal, and unlock the controlled equipment so as to achieve the purpose of stealing the controlled equipment or stealing property and important information in the controlled equipment, so that when the controlled equipment is in a locked state, the control terminal firstly triggers the transmitting antenna to continuously send an interference signal to the coverage range of the transmitting antenna signal and then triggers the detecting antenna to send a low-frequency signal for establishing legal communication connection with the mobile equipment, and certain transceiving equipment attempting to steal the response signal can be interfered to a certain degree, the safety of the controlled equipment is guaranteed, and the risk of theft of the controlled equipment is reduced.
102. And the control terminal triggers the detection antenna to receive a response signal returned by the mobile equipment aiming at the low-frequency signal.
In the embodiment of the present invention, the mobile device is a mobile device within a target range formed by taking a position of a probe antenna as a center and taking a preset distance as a radius, and specifically, when the mobile device is located within the target range, the mobile device receives a low frequency signal sent by a control terminal through the probe antenna, and after receiving the low frequency signal, sends a response signal carrying identity information of the mobile device to the control terminal, so as to establish a communication connection relationship with the control terminal. Therefore, the embodiment of the invention can realize the communication connection between the control terminal and the mobile equipment through the antenna signal, and improve the efficiency of information exchange.
It should be noted that the detecting antenna can convert the electric signal transmitted from the wire into a radio wave to be transmitted to the external space, and can also receive the radio wave and convert it into an electric signal, specifically, a high-frequency current in the circuit or a guided wave on the feeding transmission line is effectively converted into a space electromagnetic wave with a certain polarization; or to efficiently convert an electromagnetic wave of a certain polarization from a specific direction in space into a high-frequency current in a circuit or a guided wave on a transmission line. Since the general antennas are reversible, the above-mentioned probe antenna can be used as both a transmitting antenna, in which the energy of the electromagnetic wave radiated as a transmitting antenna is concentrated as much as possible in a given direction, and is not radiated or is radiated very weakly in other directions; as a receiving antenna, only electromagnetic waves from a specific direction are received, and the reception capability in other directions is weak or not.
As an optional implementation manner, the controlling the terminal to trigger the detection antenna to receive the response signal returned by the mobile device for the low-frequency signal may include:
the control terminal triggers the detection antenna to receive a first response signal returned by the mobile equipment aiming at the low-frequency signal;
the control terminal receives second prompt information sent by the antenna monitoring device, wherein the first prompt information is triggered and sent by the started antenna monitoring device when the signal strength of the first response signal is detected to be lower than a first threshold value;
the control terminal calls the signal direction detector to determine the direction of the first response signal according to the first prompt information, triggers the standby directional antenna to start, and adjusts the receiving direction of the standby directional antenna to the direction of the first response signal, so that the standby directional antenna receives a second response signal returned by the mobile equipment for the low-frequency signal from the direction of the first response signal;
and the control terminal determines that the second response signal is a response signal returned by the mobile equipment for the low-frequency signal.
In the embodiment of the present invention, the detection antenna may be an omnidirectional antenna, the omnidirectional antenna may receive signals everywhere in the horizontal direction, and the radiation range is wide, but when the surrounding environment is relatively complex, the gain of the response signal returned by the mobile device received by the omnidirectional antenna is low, and the response signal is easily interfered by the surrounding environment, therefore, after the control terminal triggers the detection antenna to receive the first response signal returned by the mobile device for the low-frequency signal, the control terminal triggers the antenna monitoring device to detect the signal strength of the first response signal received by the detection antenna, and when the antenna monitoring device detects that the signal strength of the first response signal is lower than the preset threshold, the control terminal invokes the signal direction detector to determine the direction of the first response signal, and the control terminal activates the standby directional antenna to adjust the direction of the standby directional antenna to the direction of the first response signal, and receiving a second response signal returned by the mobile equipment from the direction of the first response signal. Since the direction of the first response signal is the direction of the position of the mobile terminal which sends the first response signal, the control terminal calls the directional antenna to receive the signal from the direction of the first response signal, and can receive the high-quality signal sent from the mobile terminal by utilizing the characteristics of strong directivity of the directional antenna and good effect of receiving the signal in the specified direction, therefore, the second response signal received by the directional antenna has improved signal quality compared with the first response signal received by the detection antenna (omnidirectional antenna). Therefore, the embodiment of the invention can receive high-quality signals by alternately using the omnidirectional antenna and the directional antenna, and improves the sensitivity of receiving signals and the receiving efficiency of the antenna.
Optionally, the control terminal triggers the detection antenna to receive a response signal returned by the mobile device for the low-frequency signal, where the detection antenna may include at least two antennas, and the control terminal triggers the at least two antennas to simultaneously receive the response signal and performs combining processing on the same response signal acquired by the at least two antennas to obtain an original response signal sent by the mobile device. Therefore, in the embodiment of the invention, the control terminal triggers the at least two antennas to simultaneously receive the same signal and processes the received multiple same signals to obtain the original response signal, so that the influence of fading effect in the transmission process of the response signal can be reduced, and the receiving sensitivity of the detection antenna is improved.
103. The control terminal judges whether the mobile device returning the response signal belongs to the legal device designated by the controlled device, if the mobile device belongs to the legal device, step 104 is executed, otherwise, if the mobile device does not belong to the legal device, the flow is ended.
As an optional implementation manner, the determining, by the control terminal, whether the mobile device returning the response signal belongs to a legal device specified by the controlled device may include:
and the control terminal analyzes the response signal to obtain the first key information and the identity of the mobile equipment, which are included in the response signal.
The control terminal judges whether the first key information is matched with second key information prestored in the control terminal and whether the identity is matched with the identity of legal equipment prestored in the control terminal, wherein the second key information is legal unlocking key information appointed by the controlled equipment, and the identity of the legal equipment prestored in the control terminal is the identity of the legal equipment which is appointed by the controlled equipment and allowed to be unlocked.
And when the first key information is matched with the second key information and the identity is matched with the identity of legal equipment prestored in the control terminal, determining that the mobile equipment belongs to the legal equipment specified by the controlled equipment.
In the embodiment of the invention, when the control terminal establishes communication connection with the mobile device, the mobile terminal returns a response signal containing first key information and an identity of the mobile terminal to the control terminal for performing identity verification on the mobile device, the control terminal firstly calls second key information stored in the controlled device to match with the first key information, wherein the second key information is legal unlocking key information of the legal device which establishes communication connection, the control terminal judges whether the identity is matched with the identity of one legal device which is stored in the controlled device and has established communication connection, when the first key information and the identity of the mobile device are both matched with the legal identity and the identity of the legal device which is stored in the controlled device, the mobile device can be considered to belong to the legal device appointed by the controlled device, and establishing a legal communication connection with the mobile device; otherwise, if the first key information of the mobile device is unsuccessfully matched and the identity is unsuccessfully matched, or the first key information of the mobile device is successfully matched and the identity is unsuccessfully matched, or both the first key information and the identity of the mobile device are unsuccessfully matched, the control terminal triggers and executes the operation for ending the process. Therefore, in the optional embodiment, the control terminal performs identity authentication on the mobile device through double judgment of the key information and the identity identifier to establish a secure communication connection, so that the risk of unlocking by an illegal device is reduced.
Optionally, the control terminal determines whether the mobile device returning the response signal belongs to a legal device designated by the controlled device, and if not, triggers and starts the vehicle-mounted alarm to send an alarm.
In the embodiment of the invention, after the control terminal judges that the mobile equipment does not belong to legal equipment appointed by the controlled equipment, the control terminal triggers and starts a vehicle-mounted alarm arranged in the automobile to send out alarm sound, and optionally, the control terminal triggers and starts an automobile alarm lamp so as to send out an alarm signal to the periphery through the flickering of the light of the alarm lamp. Therefore, the embodiment of the invention can trigger and start the vehicle-mounted alarm device when the control terminal determines that the mobile equipment returning the response signal is illegal, can warn the thief and prevent the controlled equipment from being illegally stolen.
104. And the control terminal triggers the controlled equipment to execute unlocking operation.
As an optional implementation manner, before the control terminal triggers the controlled device to perform the unlocking operation, the control terminal may determine a specific distance between the mobile device and the controlled device controlled by the control terminal according to signal strength information included in a response signal returned by the mobile device, it should be noted that, after the control terminal determines that the mobile device belongs to a legal device according to the response signal, the control terminal may still perform information transmission with the mobile device through a signal, the control terminal may obtain the specific distance between the controlled device and the mobile device according to the received signal strength information, if the distance between the controlled device and the mobile device is smaller and smaller, it indicates that the user is carrying the mobile device close to the controlled device, and when the distance between the controlled device and the mobile device is smaller than a preset distance, the control terminal triggers the controlled device to perform the unlocking operation, specifically, the certain preset distance may be 1 meter, or may be other values, and the present invention is not limited thereto. Therefore, the current position of the user can be timely acquired by acquiring the distance change condition between the controlled equipment and the mobile equipment, the time for unlocking the controlled equipment is determined according to the position of the user, and the user experience is improved.
Optionally, the control terminal triggers the transmitting antenna to stop sending the interference signal after triggering the controlled device to perform the unlocking operation.
In the embodiment of the invention, after the control terminal establishes the legal communication connection with the mobile terminal, the transmitting antenna is triggered to stop sending the interference signal to the periphery, so that the influence of the interference signal on each module part after the controlled equipment is unlocked can be reduced.
In the method described in fig. 1, when the control terminal detects that the controlled device is in a locked state, the control terminal triggers the detection antenna to transmit a low frequency signal, and receives a response signal returned by the mobile device located within a target range radiated by the detection antenna when receiving the low frequency signal, so that communication connection between the terminal devices can be completed under a condition of energy saving, and the efficiency of information exchange is improved, further, the control terminal judges whether the mobile device belongs to a legal device specified by the controlled device according to the response signal, if the mobile device belongs to the legal device specified by the controlled device, the control terminal triggers the controlled device to perform an unlocking operation, thus, by the method described in fig. 1, the controlled device can be unlocked immediately after the mobile device is judged to belong to the legal device, the safety of unlocking is improved, and for a user, a complicated verification operation is not required, the user only needs to trigger unlocking at one key, and the controlled terminal can realize unlocking by checking that the mobile equipment meets legal conditions, so that unlocking operation is simplified, and unlocking efficiency is improved.
Example two
Referring to fig. 2, fig. 2 is a schematic flowchart illustrating another unlocking control method based on antenna signals according to an embodiment of the present invention. As shown in fig. 2, the unlocking control method based on the antenna signal may include the steps of:
201. and when the control terminal detects that the controlled equipment is in a locking state, the control terminal triggers the detection antenna to send a low-frequency signal.
202. The control terminal triggers and starts the antenna monitoring device, and the antenna monitoring device is used for monitoring the signal intensity of the low-frequency signal sent by the detection antenna.
In the embodiment of the present invention, the antenna monitoring apparatus is a monitoring apparatus for monitoring performance of an antenna, and specifically, the antenna monitoring apparatus may monitor, in real time, signal strength of a signal sent by a detection antenna bound to the antenna control apparatus.
203. And the control terminal receives the second prompt message sent by the antenna monitoring device.
In this embodiment of the present invention, the second prompt message is triggered and sent by the antenna monitoring apparatus when detecting that the signal strength of the low-frequency signal is lower than a second threshold.
204. And the control terminal triggers and starts a signal amplifier according to the received second prompt message, wherein the signal amplifier is used for enhancing the signal intensity of the low-frequency signal.
Therefore, the low-frequency signal sent by the detection antenna can be enhanced by the embodiment of the invention, so that the transmission quality of the signal is improved.
For the description of steps 205 to 207, please refer to the detailed description of steps 102 to 104 in the first embodiment, which is not repeated herein.
208. The control terminal acquires all available working frequency bands of the built-in antenna of the mobile device, selects a target frequency band with the minimum occupancy rate from all the available working frequency bands, and sends an adjusting instruction to the detection antenna, wherein the adjusting instruction is used for adjusting the current frequency band of the detection antenna to the target frequency band.
In the embodiment of the invention, after the controlled device is unlocked, the control terminal triggers the detection antenna to send an acquisition signal to the mobile device, wherein the acquisition signal is used for acquiring the spectrum bandwidths and the total frequency bandwidth of all available working frequency bands of the built-in antenna of the mobile device, and the occupancy rate of each available working frequency band in all available working frequency bands is calculated according to the spectrum bandwidths occupied by all available working frequency bands, specifically, the occupancy rate of each available working frequency band can be equal to the ratio of the spectrum bandwidth occupied by each available working frequency band to the total frequency band bandwidth. And after the occupancy rate of each working frequency band in all the available working frequency bands is obtained through calculation, the control terminal selects the available working frequency band with the minimum occupancy rate in all the available working frequency bands to determine as a target frequency band, and adjusts the current frequency band of the detection antenna to the target frequency band. It should be noted that the occupation rate of the working frequency band reflects a situation that the working frequency band is assigned or used, the working frequency band with a high occupation rate is assigned or used for more tasks of receiving or sending signals, and a plurality of signals are transmitted in the working frequency band at the same time, which easily causes a situation of frequency band congestion. Therefore, the control terminal adjusts the working frequency band of the detection antenna according to the occupancy rate of the working frequency band, sets the working frequency band with the minimum occupancy rate in all the available working frequency bands as the target frequency band of the detection antenna, can reduce mutual interference among a plurality of signals in the same frequency band in the signal transmission process when a user uses the mobile device to unlock the controlled device next time, accelerates the signal transmission speed, and further improves the unlocking efficiency.
In the method described in fig. 2, first, when the control terminal detects that the controlled device is in a locked state, the control terminal triggers the detection antenna to transmit a low-frequency signal, so that communication connection between the terminal devices can be realized under the condition of energy saving, and the efficiency of information exchange is improved; secondly, the control terminal starts the antenna monitoring device to monitor the signal intensity of the low-frequency signal and sends prompt information to the control terminal when the signal intensity is lower than a second threshold value so as to prompt the start signal amplifier to enhance the signal intensity of the low-frequency signal, so that the strength of the low-frequency signal can be obtained in real time, the low-frequency signal can be enhanced in time, and the quality of communication connection between the control terminal and the mobile device is ensured; and thirdly, the control terminal acquires all available working frequency bands of the built-in antenna of the mobile device, selects a target frequency band with the minimum occupancy rate from all the available working frequency bands, and sends an adjusting instruction to the detection antenna, wherein the adjusting instruction is used for adjusting the current frequency band of the detection antenna to the target frequency band, so that mutual interference among a plurality of signals in the same frequency band on the side of the mobile device can be reduced when a user uses the mobile device to unlock the controlled device next time, the signal transmission speed is increased, and the unlocking efficiency is further improved. It can be seen that, by the method described in fig. 2, the controlled device can be unlocked immediately after the mobile device is determined to be a legitimate device, so that the unlocking security is improved, the unlocking operation is simplified, further, when the user uses the mobile device to unlock the controlled device next time, the mutual interference between multiple signals in the same frequency band on the mobile device side can be reduced, the signal transmission speed is increased, and the unlocking efficiency is improved.
EXAMPLE III
Referring to fig. 3, fig. 3 is a schematic structural diagram of a control terminal according to an embodiment of the present invention. As shown in fig. 3, the control terminal may include:
a detecting unit 301, configured to detect whether the controlled device is in a locked state.
A sending unit 302, configured to trigger the probe antenna to send a low-frequency signal when the detecting unit 301 detects that the controlled device is in the locked state.
Specifically, after the sending unit 302 triggers the detecting antenna to send the low frequency signal, a start instruction may also be sent to the receiving unit 303, so as to trigger the starting of the receiving unit 303.
Optionally, when the detecting unit 301 detects that the controlled device is in the locked state, the start sending unit 302 may be further triggered to trigger the transmitting antenna to continuously send the interference signal.
In the embodiment of the present invention, when a legal user unlocks the controlled device, some illegal persons attempting to steal usually obtain, through some transceiving apparatuses, a response signal sent by a mobile device held by the legal user when the mobile device is in communication connection with a control terminal, and steal key information and an identity included in the response signal, so as to unlock the controlled device, so as to achieve the purpose of stealing the controlled device or stealing property and important information in the controlled device, when the detection unit 301 detects that the controlled device is in a locked state, the detection unit 301 first triggers and starts the sending unit 302, the sending unit 302 triggers the transmitting antenna to continuously send an interference signal to a coverage of the transmitting antenna signal, and then the sending unit 302 triggers the detecting antenna to send a low-frequency signal for establishing legal communication connection with the mobile device, so as to cause a certain degree of interference effect on some transceiving devices attempting to steal the response signal, the safety of the controlled equipment is guaranteed, and the risk of theft of the controlled equipment is reduced.
A receiving unit 303, configured to trigger the probe antenna to receive a response signal returned by the mobile device for the low-frequency signal, where the mobile device is a mobile device within a target range formed by taking the position of the probe antenna as a center and taking a preset distance as a radius.
A judging unit 304, configured to judge, according to the response signal received by the receiving unit 303, whether the mobile device returning the response signal belongs to a legal device specified by the controlled device, if so, execute step 305, otherwise, if not, end the process.
An executing unit 305, configured to trigger the controlled device to execute the unlocking operation when the judging unit 304 judges that the mobile device belongs to a legal device specified by the controlled device.
It can be seen that, with the control terminal described in fig. 3, the current state of the controlled device can be detected by the detection unit, and when the controlled device is detected to be in the locked state, the transmission unit is triggered to transmit the low-frequency signal, so as to trigger the receiving unit to receive the response signal returned by the mobile device, and provide the response signal to the determination unit to determine whether the mobile device is legal, and when the determination unit determines that the mobile device is legal, the controlled device is immediately unlocked, so that the unlocking operation on the controlled device is simplified, and a user can realize one-key unlocking under certain conditions, thereby improving unlocking efficiency and unlocking security.
Example four
Referring to fig. 4, fig. 4 is a schematic structural diagram of another control terminal according to an embodiment of the present invention, where the control terminal shown in fig. 4 is obtained by further optimizing the control terminal shown in fig. 3. Compared with the control terminal shown in fig. 3, the control terminal shown in fig. 4 may further include:
a selecting unit 306, configured to obtain all available operating frequency bands of the internal antenna of the mobile device according to the execution instruction triggered by the executing unit 305, and select a target frequency band with a minimum occupancy rate from all available operating frequency bands.
Specifically, after selecting the target frequency band with the minimum occupancy, the selecting unit 306 sends a start instruction to the sending unit 302, so as to trigger the sending unit 302 to start.
In this embodiment of the present invention, after the executing unit 305 executes the unlocking operation for the controlled device, the selecting unit 306 triggers the detecting antenna to send an obtaining signal to the mobile device, where the obtaining signal is used to obtain the spectrum bandwidths and the total frequency bandwidth of all available operating frequency bands of the internal antenna of the mobile device, and calculates the occupancy rate of each available operating frequency band in all available operating frequency bands according to the spectrum bandwidths occupied by all available operating frequency bands, specifically, the occupancy rate of each available operating frequency band may be equal to the ratio of the spectrum bandwidth occupied by each available operating frequency band to the total frequency band bandwidth. After the occupancy rate of each of all the available operating frequency bands is calculated and obtained, the selecting unit 306 determines the target frequency band with the minimum occupancy rate among all the available operating frequency bands.
The sending unit 302 is further configured to send an adjustment instruction to the probe antenna, where the adjustment instruction is used to adjust the current frequency band of the probe antenna to the target frequency band.
In this embodiment of the present invention, the sending unit 302 sends an adjustment instruction to the probe antenna according to the target frequency band provided by the selecting unit 306, so as to adjust the current frequency band of the probe antenna to the target frequency band. It should be noted that the occupation rate of the working frequency band reflects a situation that the working frequency band is assigned or used, the working frequency band with a high occupation rate is assigned or used for more tasks of receiving or sending signals, and a plurality of signals are transmitted in the working frequency band at the same time, which easily causes a situation of frequency band congestion. As can be seen, the sending unit 302 adjusts the working frequency band of the detecting antenna according to the occupancy rate of the working frequency band, and sets the working frequency band with the minimum occupancy rate among all the available working frequency bands as the target frequency band of the detecting antenna, so that mutual interference among multiple signals in the same frequency band in the signal transmission process can be reduced when the user uses the mobile device to unlock the controlled device next time, the signal transmission speed is increased, and the unlocking efficiency is further improved.
Optionally, as shown in fig. 4, the control terminal may further include:
an initiating unit 307, configured to trigger to initiate an antenna monitoring apparatus, after the sending unit 302 triggers the probe antenna to send the low-frequency signal, where the antenna monitoring apparatus is configured to monitor the signal strength of the low-frequency signal sent by the probe antenna.
The receiving unit 303 is further configured to receive second prompting information sent by the antenna monitoring apparatus, where the second prompting information is triggered and sent by the antenna monitoring apparatus triggered and started by the starting unit 307 when detecting that the signal strength of the low-frequency signal is lower than a second threshold, and send a starting instruction to the starting unit 307, where the starting instruction is used to trigger the starting unit 307 to start.
The starting unit 307 is further configured to trigger a starting signal amplifier according to the second prompt information received by the receiving unit 303, where the signal amplifier is configured to enhance the signal strength of the low-frequency signal.
As an alternative implementation, in the control terminal shown in fig. 4, the determining unit 304 may include:
the parsing subunit 3041 is configured to parse the response signal to obtain the first key information and the identity of the mobile device that are included in the response signal, and send the first key information and the identity to the determining subunit 3042.
A determining subunit 3042, configured to determine whether the first key information matches second key information pre-stored in the control terminal, and whether the identity matches an identity of a legal device pre-stored in the control terminal, where the second key information is legal unlocking key information specified by the controlled device, and the identity of the legal device pre-stored in the control terminal is an identity of a legal device specified by the controlled device and allowed to be unlocked.
A first determining subunit 3043, configured to determine that the mobile device belongs to a legal device specified by the controlled device when the determining subunit 3042 determines that the first key information matches the second key information and that the identity matches an identity of a legal device prestored in the control terminal.
As an alternative implementation, in the control terminal shown in fig. 4, the receiving unit 303 may include:
a receiving subunit 3031, configured to trigger the detection antenna to receive a first response signal returned by the mobile device for the low-frequency signal, and receive first prompt information sent by the activated antenna monitoring apparatus, where the first prompt information is triggered and sent by the antenna monitoring apparatus when detecting that the signal strength of the first response signal is lower than a first threshold, and provide the first prompt information to the starting subunit 3032.
A sub-unit 3032, configured to invoke the signal direction detector to determine the direction of the first response signal according to the first prompt information, trigger the standby directional antenna to start, adjust the receiving direction of the standby directional antenna to the direction of the first response signal, so that the standby directional antenna receives, from the direction of the first response signal, the second response signal returned by the mobile device for the low-frequency signal, and trigger a start instruction, which is used to start the second determining sub-unit 3033.
A second determining subunit 3033, configured to determine that the second response signal is a response signal returned by the mobile device for the low frequency signal.
In this embodiment of the present invention, the above-mentioned detecting antenna may be an omnidirectional antenna, and the omnidirectional antenna may receive signals everywhere in the horizontal direction, and the radiation range is wide, but when the surrounding environment is relatively complex, the gain of the response signal returned by the mobile device received by the omnidirectional antenna is low, and is easily interfered by the surrounding environment, therefore, the receiving subunit 3031 triggers the antenna monitoring device to detect the signal strength of the first response signal received by the detecting antenna after triggering the detecting antenna to receive the first response signal returned by the mobile device for the low-frequency signal, and when the antenna monitoring device detects that the signal strength of the first response signal is lower than the preset threshold, sends a start instruction, which is used to start the starting subunit 3032, and the starting subunit 3032 calls the signal direction detector to determine the direction of the first response signal, and the control terminal starts a standby directional antenna, adjusts the direction of the standby directional antenna to the direction of the first response signal, and receives a second response signal returned by the mobile equipment from the direction of the first response signal. Since the direction of the first response signal is the direction of the position of the mobile terminal which sends the first response signal, the control terminal calls the directional antenna to receive the signal from the direction of the first response signal, and can receive the high-quality signal sent from the mobile terminal by utilizing the characteristics of strong directivity of the directional antenna and good effect of receiving the signal in the specified direction, therefore, the second response signal received by the directional antenna has improved signal quality compared with the first response signal received by the detection antenna (omnidirectional antenna). Therefore, the embodiment of the invention can receive high-quality signals by alternately using the omnidirectional antenna and the directional antenna, and improves the sensitivity of receiving signals and the receiving efficiency of the antenna.
As can be seen, with the control terminal described in fig. 4, first, when the detection unit detects that the controlled device is in the locked state, the detection unit is triggered to start the transmission unit, so that the detection antenna transmits the low-frequency signal, communication connection between terminal devices can be realized under the condition of energy saving, and the efficiency of information exchange is improved; secondly, the starting unit starts the antenna monitoring device to monitor the signal intensity of the low-frequency signal and sends prompt information to the receiving unit when the signal intensity is lower than a second threshold value so as to prompt the starting unit to start a signal amplifier to enhance the signal intensity of the low-frequency signal, so that the strength of the low-frequency signal can be obtained in real time, the low-frequency signal can be enhanced in time, and the quality of communication connection between the control terminal and the mobile device is ensured; and thirdly, the selection unit acquires all available working frequency bands of the built-in antenna of the mobile device, selects a target frequency band with the minimum occupancy rate from all the available working frequency bands, and triggers and starts the sending unit to send an adjusting instruction to the detection antenna, wherein the adjusting instruction is used for adjusting the current frequency band of the detection antenna to the target frequency band, so that mutual interference among a plurality of signals in the same frequency band on the side of the mobile device can be reduced when a user uses the mobile device to unlock the controlled device next time, the signal transmission speed is accelerated, and the unlocking efficiency is further improved. It can be seen that, by the method described in fig. 4, the controlled device can be unlocked immediately after the mobile device is determined to be a legitimate device, so that the unlocking security is improved, the unlocking operation is simplified, further, when the user uses the mobile device to unlock the controlled device next time, the mutual interference between multiple signals in the same frequency band on the mobile device side can be reduced, the signal transmission speed is increased, and the unlocking efficiency is improved.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by hardware instructions of a program, and the program may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Compact Disc Read-Only Memory (CD-ROM), or other Memory, such as a magnetic disk, or a combination thereof, A tape memory, or any other medium readable by a computer that can be used to carry or store data.
The unlocking control method and the control terminal based on the antenna signal disclosed by the embodiment of the invention are described in detail, a specific example is applied in the text to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. An unlocking control method based on antenna signals, the method comprising:
when the control terminal detects that the controlled equipment is in a locking state, triggering a detection antenna to send a low-frequency signal, wherein the detection antenna comprises at least two antennas;
the control terminal triggers the detection antenna to receive a response signal returned by the mobile device for the low-frequency signal, wherein the control terminal triggers the at least two antennas to simultaneously receive the response signal returned by the mobile device for the low-frequency signal, and combines the same response signal simultaneously received by the at least two antennas to obtain an original response signal sent by the mobile terminal, and the mobile device is a mobile device in a target range formed by taking the position of the detection antenna as a center and taking a preset distance as a radius;
the control terminal analyzes the original response signal to obtain first key information and an identity of the mobile equipment, wherein the first key information and the identity of the mobile equipment are included in the original response signal;
the control terminal judges whether the first key information is matched with second key information prestored in the control terminal and whether the identity mark is matched with an identity mark of legal equipment prestored in the control terminal, wherein the second key information is legal unlocking key information appointed by the controlled equipment, and the identity mark of the legal equipment prestored in the control terminal is an identity mark of the legal equipment which is appointed by the controlled equipment and allowed to be unlocked;
when the first key information is matched with the second key information and the identity is matched with the identity of legal equipment prestored in the control terminal, determining that the mobile equipment belongs to the legal equipment appointed by the controlled equipment;
if the mobile equipment belongs to legal equipment designated by the controlled equipment, the control terminal triggers the controlled equipment to execute unlocking operation;
after the control terminal triggers the controlled device to execute the unlocking operation, the method further comprises the following steps:
the control terminal acquires all available working frequency bands of the built-in antenna of the mobile device, selects a target frequency band with the minimum occupancy rate from all the available working frequency bands, and sends an adjusting instruction to the detection antenna, wherein the adjusting instruction is used for adjusting the current frequency band of the detection antenna to the target frequency band.
2. The method of claim 1, wherein the controlling terminal triggers the probe antenna to receive a response signal returned by the mobile device for the low-frequency signal, and the method comprises:
the control terminal triggers the detection antenna to receive a first response signal returned by the mobile equipment aiming at the low-frequency signal;
the control terminal receives first prompt information sent by a started antenna monitoring device, wherein the first prompt information is triggered and sent by the antenna monitoring device when detecting that the signal strength of the first response signal is lower than a first threshold value;
the control terminal calls a signal direction detector to determine the direction of the first response signal according to the first prompt information, triggers a standby directional antenna to start, and adjusts the receiving direction of the standby directional antenna to the direction of the first response signal, so that the standby directional antenna receives a second response signal returned by the mobile device for the low-frequency signal from the direction of the first response signal;
and the control terminal determines that the second response signal is a response signal returned by the mobile equipment for the low-frequency signal.
3. The method according to claim 2, wherein after the control terminal detects that the controlled device is in the locked state and triggers the probe antenna to transmit the low frequency signal, the method further comprises:
the control terminal triggers and starts an antenna monitoring device, and the antenna monitoring device is used for monitoring the signal intensity of the low-frequency signal sent by the detection antenna;
the control terminal receives second prompt information sent by the antenna monitoring device, wherein the second prompt information is triggered and sent by the antenna monitoring device when the antenna monitoring device detects that the signal intensity of the low-frequency signal is lower than a second threshold value;
and the control terminal triggers and starts a signal amplifier according to the received second prompt information, wherein the signal amplifier is used for enhancing the signal intensity of the low-frequency signal.
4. A control terminal, comprising:
the detection unit is used for detecting whether the controlled equipment is in a locking state;
the sending unit is used for triggering the detection antenna to send a low-frequency signal when the detection unit detects that the controlled equipment is in a locked state, and the detection antenna comprises at least two antennas;
the receiving unit is used for triggering the detection antenna to receive a response signal returned by the mobile device for the low-frequency signal, wherein the receiving unit triggers the at least two antennas to simultaneously receive the response signal returned by the mobile device for the low-frequency signal, and performs combination processing on the same response signal simultaneously received by the at least two antennas to obtain an original response signal sent by the mobile terminal, and the mobile device is a mobile device in a target range formed by taking the position of the detection antenna as a center and taking a preset distance as a radius;
the judging unit judges whether the mobile equipment returning the response signal belongs to legal equipment appointed by the controlled equipment or not according to the original response signal;
the execution unit is used for triggering the controlled equipment to execute unlocking operation when the judgment unit judges that the mobile equipment belongs to legal equipment designated by the controlled equipment;
a selecting unit, configured to obtain all available operating frequency bands of the internal antenna of the mobile device after the controlled device performs the unlocking operation, and select a target frequency band with a minimum occupancy rate from all the available operating frequency bands;
the sending unit is further configured to send an adjustment instruction to the probe antenna, where the adjustment instruction is used to adjust the current frequency band of the probe antenna to the target frequency band;
the judging unit includes:
the analysis subunit is configured to analyze the original response signal to obtain first key information and an identity of the mobile device, which are included in the original response signal;
a judging subunit, configured to judge whether the first key information matches second key information prestored in the control terminal and whether the identity matches an identity of a legal device prestored in the control terminal, where the second key information is legal unlocking key information specified by the controlled device, and the identity of the legal device prestored in the control terminal is an identity of a legal device specified by the controlled device and allowed to be unlocked;
and the first determining subunit is configured to determine that the mobile device belongs to the legal device specified by the controlled device when the determining subunit determines that the first key information matches the second key information and that the identity matches an identity of a legal device prestored in the control terminal.
5. The control terminal according to claim 4, wherein the receiving unit includes:
the receiving subunit is configured to trigger the detection antenna to receive a first response signal returned by the mobile device for the low-frequency signal, and receive first prompt information sent by a started antenna monitoring apparatus, where the first prompt information is triggered and sent by the antenna monitoring apparatus when detecting that the signal strength of the first response signal is lower than a first threshold;
the sub-unit is used for calling a signal direction detector to determine the direction of the first response signal according to the first prompt information, triggering a standby directional antenna to start, and adjusting the receiving direction of the standby directional antenna to the direction of the first response signal, so that the standby directional antenna receives a second response signal returned by the mobile device for the low-frequency signal from the direction of the first response signal;
a second determining subunit, configured to determine that the second response signal is a response signal returned by the mobile device for the low-frequency signal.
6. The control terminal of claim 5, further comprising:
the starting unit is used for triggering and starting an antenna monitoring device, and the antenna monitoring device is used for monitoring the signal intensity of the low-frequency signal sent by the detection antenna;
the receiving unit is further configured to receive second prompt information sent by the antenna monitoring device, where the second prompt information is triggered and sent by the antenna monitoring device when the antenna monitoring device detects that the signal strength of the low-frequency signal is lower than a second threshold;
the starting unit is further configured to trigger a starting signal amplifier according to the received second prompt information, where the signal amplifier is configured to enhance the signal strength of the low-frequency signal.
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| CN108462543B (en) * | 2018-01-31 | 2020-12-29 | 厦门致联科技有限公司 | Control method of underground communication device |
| CN109451508A (en) * | 2018-11-15 | 2019-03-08 | 广东电网有限责任公司 | A kind of enhancing system of 4G-LTE wireless network signal |
| CN112918386B (en) * | 2021-02-07 | 2022-12-13 | 中国第一汽车股份有限公司 | Control method and device for automobile glove box lock |
| CN113099032B (en) * | 2021-03-29 | 2022-08-19 | 联想(北京)有限公司 | Information processing method and device, electronic equipment and storage medium |
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| JP4087694B2 (en) * | 2002-12-13 | 2008-05-21 | 株式会社アルファ | Locking / unlocking control device and locking / unlocking control method |
| US7539565B2 (en) * | 2006-02-24 | 2009-05-26 | Denso International America, Inc. | Smart unlock control by vehicle location |
| KR100957297B1 (en) * | 2008-04-28 | 2010-05-12 | 현대자동차주식회사 | A monitoring system of smart key |
| JP2012107377A (en) * | 2010-11-15 | 2012-06-07 | Denso Corp | Portable unit search device and portable unit search method for vehicular smart key |
| TWM473023U (en) * | 2013-07-22 | 2014-02-21 | Brito Technology Co Ltd | Wireless network device |
| JP6183186B2 (en) * | 2013-11-29 | 2017-08-23 | 株式会社オートネットワーク技術研究所 | Door unlocking system |
| CN104467693B (en) * | 2013-12-30 | 2017-11-24 | 苏州矩阵光电有限公司 | A kind of communication signal compensator and compensation method |
| CN203734625U (en) * | 2013-12-30 | 2014-07-23 | 苏州矩阵光电有限公司 | Communication signal compensator |
| CN103746924A (en) * | 2014-01-16 | 2014-04-23 | 深圳市共进电子股份有限公司 | Asymmetric wireless router and control method thereof |
| CN104494563B (en) * | 2014-12-24 | 2018-04-13 | 马瑞利汽车电子(广州)有限公司 | A kind of automobile no-key based on communication bus enters the system and method with startup |
| CN106394490B (en) * | 2016-10-19 | 2019-05-10 | 广州汽车集团股份有限公司 | The method, apparatus and system of Vehicular intelligent unlock |
| CN106828413B (en) * | 2017-02-22 | 2019-04-09 | 奇瑞汽车股份有限公司 | A kind of method and system of no key controller vehicle |
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