CN113691939B - Prompting method, electronic equipment, bluetooth headset and computer storage medium - Google Patents

Prompting method, electronic equipment, bluetooth headset and computer storage medium Download PDF

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Publication number
CN113691939B
CN113691939B CN202110896682.9A CN202110896682A CN113691939B CN 113691939 B CN113691939 B CN 113691939B CN 202110896682 A CN202110896682 A CN 202110896682A CN 113691939 B CN113691939 B CN 113691939B
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bluetooth headset
signal
distance
electronic device
electronic equipment
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CN113691939A (en
Inventor
李宗源
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/14—Systems for determining distance or velocity not using reflection or reradiation using ultrasonic, sonic, or infrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72457—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the application discloses a prompting method, which comprises the following steps: and receiving a broadcast signal from the Bluetooth headset, determining the distance between the electronic equipment and the Bluetooth headset according to the broadcast signal, and determining whether to generate prompt information according to the distance between the electronic equipment and the Bluetooth headset. The embodiment of the application also provides the electronic equipment, the Bluetooth headset and the computer storage medium.

Description

Prompting method, electronic equipment, bluetooth headset and computer storage medium
Technical Field
The present application relates to a connection technology between a bluetooth headset and an electronic device, and more particularly, to a prompting method, an electronic device, a bluetooth headset, and a computer storage medium.
Background
At present, the bluetooth headset periodically broadcasts bluetooth signals, the mobile phone receives the broadcasted bluetooth signals to find the existence of the bluetooth headset, and the mobile phone judges the distance between the bluetooth headset and the mobile phone by detecting the received signal strength Indication (RSSI, received Signal Strength Indication) of the broadcasted bluetooth signals, if the distance is within the range, the mobile phone pops windows.
However, when the bluetooth headset adopts the current connection mode, because the RSSI judges that the distance error is very big, can't be accurate directional, leads to the mistake to produce the cell-phone bullet window, and then leads to bluetooth headset's connection inefficiency, seriously influences user experience.
Disclosure of Invention
The embodiment of the application provides a prompting method, electronic equipment, a Bluetooth headset and a computer storage medium, which can improve the connection efficiency of the Bluetooth headset.
The technical scheme of the application is realized as follows:
the embodiment of the application provides a prompting method, which is applied to electronic equipment and comprises the following steps:
receiving a broadcast signal from a Bluetooth headset; wherein the broadcast signal comprises at least an ultrasonic signal;
determining the distance between the electronic equipment and the Bluetooth headset according to the broadcast signal;
Determining whether to generate prompt information according to the distance between the electronic equipment and the Bluetooth headset; the prompting information is used for prompting that the electronic equipment and the Bluetooth earphone can establish Bluetooth connection.
The embodiment of the application provides a prompting method, which is applied to a Bluetooth headset and comprises the following steps:
Broadcasting a broadcast signal to an electronic device; wherein the broadcast signal comprises at least an ultrasonic signal;
The broadcasting signal is used for the electronic equipment to determine whether to generate prompt information, and the prompt information is used for prompting the electronic equipment to establish Bluetooth connection with the Bluetooth headset.
An embodiment of the present application provides an electronic device, including:
The receiving module is used for receiving the broadcast signals from the Bluetooth headset; wherein the broadcast signal comprises at least an ultrasonic signal;
The first determining module is used for determining the distance between the electronic equipment and the Bluetooth headset according to the broadcast signal;
The second determining module is used for determining whether to generate prompt information according to the distance between the electronic equipment and the Bluetooth headset; the prompting information is used for prompting that the electronic equipment and the Bluetooth earphone can establish Bluetooth connection.
An embodiment of the present application provides a bluetooth headset, including:
a broadcasting module for broadcasting a broadcasting signal to the electronic device; wherein the broadcast signal comprises at least an ultrasonic signal;
The broadcasting signal is used for the electronic equipment to determine whether to generate prompt information, and the prompt information is used for prompting the electronic equipment to establish Bluetooth connection with the Bluetooth headset.
An embodiment of the present application provides an electronic device, including:
a processor and a storage medium storing instructions executable by the processor, the storage medium performing operations in dependence upon the processor through a communication bus, when the instructions are executed by the processor, performing the prompting method described in one or more embodiments above.
An embodiment of the present application provides a bluetooth headset, including:
a processor and a storage medium storing instructions executable by the processor, the storage medium performing operations in dependence upon the processor through a communication bus, when the instructions are executed by the processor, performing the prompting method described in one or more embodiments above.
Embodiments of the present application provide a computer storage medium storing executable instructions that, when executed by one or more processors, perform the hinting method as described in one or more embodiments.
The embodiment of the application provides a prompting method, electronic equipment, a Bluetooth headset and a computer storage medium, comprising the following steps: receiving a broadcast signal from a Bluetooth headset, wherein the broadcast signal at least comprises an ultrasonic signal, determining the distance between the electronic equipment and the Bluetooth headset according to the broadcast signal, and determining whether to generate prompting information according to the distance between the electronic equipment and the Bluetooth headset, wherein the prompting information is used for prompting that Bluetooth connection can be established between the electronic equipment and the Bluetooth headset; that is, in the embodiment of the application, according to the received broadcast signal at least including the ultrasonic signal, the distance between the electronic device and the bluetooth headset is determined first, and then whether the bluetooth connection can be established between the electronic device and the bluetooth headset is determined according to the distance, so that when the bluetooth headset can at least broadcast the ultrasonic signal, the connectable electronic device can be found out quickly by using the ultrasonic signal when the directional connection fails, and in addition, when the broadcast signal at least includes the ultrasonic signal, the bluetooth headset can at least utilize the ultrasonic signal to measure the distance, and the accuracy of the ultrasonic ranging is higher than that of the bluetooth headset, so that the error of the determined distance is reduced, and the generated prompting information is more accurate.
Drawings
FIG. 1 is a schematic diagram of an alternative connection system according to an embodiment of the present application;
FIG. 2 is a schematic flow interaction diagram of an alternative prompting method according to an embodiment of the present application;
FIG. 3 is a flowchart illustrating an example I of an alternative prompting method according to an embodiment of the present application;
Fig. 4a is a schematic flow chart of an example two of an alternative prompting method according to an embodiment of the present application;
fig. 4b is a flowchart illustrating an example three of an alternative prompting method according to an embodiment of the present application
FIG. 5 is a flow chart of an alternative prompting method according to an embodiment of the present application;
FIG. 6 is a flow chart of another alternative prompting method provided in an embodiment of the present application;
Fig. 7 is a schematic structural diagram of an alternative electronic device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of an alternative bluetooth headset according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of another alternative electronic device according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of another alternative bluetooth headset according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.
Example 1
An embodiment of the present application provides a prompting method, where the method is applied to a connection system, and fig. 1 is a schematic structural diagram of an optional connection system provided by the embodiment of the present application, as shown in fig. 1, where the connection system may include: a bluetooth headset 11 and an electronic device 12; wherein,
In the connection process, the bluetooth headset 11 broadcasts a bluetooth signal, and after the electronic device 12 receives the bluetooth signal broadcast by the bluetooth headset 11, when the electronic device 12 determines that the bluetooth headset 11 belongs to a connectable peripheral, the electronic device 12 sends a connection instruction to the bluetooth headset 11, and establishes a bluetooth connection with the bluetooth headset 11.
Based on the connection system provided in fig. 1, fig. 2 is a flow interaction schematic diagram of an optional prompting method provided in an embodiment of the present application, where, as shown in fig. 2, the prompting method may include:
s201: the bluetooth headset 11 broadcasts a broadcast signal;
At present, the bluetooth headset can only establish bluetooth connection with equipment by broadcasting bluetooth signals or sending directional connection information to directional equipment, but the connection efficiency is low for the bluetooth headset to establish connection only by broadcasting bluetooth signals, and if the bluetooth headset is in directional connection, the time for the bluetooth headset to find a new mobile phone can be delayed if the bluetooth headset fails in orientation, so that the connection efficiency is low.
In order to improve the connection efficiency of the Bluetooth headset, the prompting method provided by the embodiment of the application improves the connection efficiency of the Bluetooth headset and the electronic equipment by improving the accuracy of prompting information generated by the electronic equipment.
Specifically, first, the bluetooth headset 11 broadcasts a broadcast signal, wherein the broadcast signal includes at least an ultrasonic signal; that is, at least the ultrasonic signal is broadcast by the bluetooth headset 11, so that the electronic device 12 can determine the distance between the bluetooth headset 11 and the electronic device through the ultrasonic signal, and the bluetooth headset 11 can at least utilize the ultrasonic signal to measure the distance due to the performance of the ultrasonic signal, and the distance error determined through the ultrasonic signal is smaller and is closer to the real distance due to the fact that the accuracy of the ultrasonic signal is higher than that of the bluetooth ranging, so that whether to generate the prompt information can be accurately determined, and a user can determine whether to establish bluetooth connection with the bluetooth headset 11, thereby improving the connection efficiency.
The bluetooth headset 11 may be divided into two cases when broadcasting a broadcast signal, and in an alternative embodiment, S201 may include:
When the bluetooth headset 11 has a device that has been connected, the bluetooth headset 11 transmits a connection instruction to the device that has been connected, and broadcasts an ultrasonic signal to the electronic device 12.
Specifically, when the bluetooth headset 11 has an already connected device, in general, the bluetooth headset 11 may send directional connection information to the already connected device to implement connection with the device, and then the bluetooth headset 11 may send a connection instruction to the already connected device and broadcast an ultrasonic signal to the electronic device 12, so that the already connected device can receive the connection instruction, implement connection with the bluetooth headset 11, and also, the process of searching for a new connectable electronic device 12 is not affected, and even when connection with the already connected device fails, the connectable electronic device 12 can be found as soon as possible, thereby improving connection efficiency of the bluetooth headset 11 and the electronic device 12.
In addition, when the bluetooth headset 11 broadcasts a broadcast signal, in an alternative embodiment, S201 may include:
when the bluetooth headset 11 does not have a device that has been connected, the bluetooth headset 11 broadcasts a wireless connection signal and an ultrasonic signal to the electronic device 12.
Specifically, when the bluetooth headset 11 does not have a device that has been connected, the bluetooth headset 11 broadcasts a wireless connection signal and an ultrasonic signal to the electronic device 12; wherein the wireless connection signal comprises one or more of: bluetooth signal, wiFi signal.
That is, in the embodiment of the present application, when the bluetooth headset 11 broadcasts signals, not only bluetooth signals but also ultrasonic signals and WiFi signals may be broadcasted, so that the electronic device 12 may receive wireless connection signals and simultaneously may also receive ultrasonic signals, and thus, the broadcast signals include a plurality of signals, so that the determined distance between the electronic device 12 and the bluetooth headset 11 is more accurate, thereby improving the accuracy of the generated prompt information, and further improving the connection efficiency of the connection between the bluetooth headset 11 and the electronic device 12.
S202: the electronic equipment 12 determines the distance between the electronic equipment 12 and the Bluetooth headset 11 according to the broadcast signal;
Specifically, the electronic device 12 determines the distance between the electronic device 12 and the bluetooth headset 11 using the broadcast signal after receiving the broadcast signal, and here, it should be noted that when the broadcast signal includes only the ultrasonic signal, the electronic device 12 determines the distance between the electronic device 12 and the bluetooth headset 11 according to the ultrasonic signal.
In the ultrasonic ranging, the distance between the electronic device 12 and the bluetooth headset 11 may be determined by using the propagation time and propagation speed of the ultrasonic wave, or the distance between the electronic device 12 and the bluetooth headset 11 may be calculated by using the difference between the transmission sound pressure value and the reception sound pressure value of the ultrasonic wave and combining the sound pressure attenuation relationship in the propagation medium of the ultrasonic signal.
Specifically, the transmission time of the ultrasonic signal transmitted by the bluetooth headset 11 may be carried in the ultrasonic signal, and after the electronic device 12 receives the ultrasonic signal, the reception time of the received ultrasonic signal may be recorded, so that the propagation time of the ultrasonic signal from the bluetooth headset 11 to the electronic device 12 is calculated, and the propagation speed of the ultrasonic wave is multiplied by the propagation time, thereby obtaining the distance between the electronic device 12 and the bluetooth headset 11.
In addition, the ultrasonic signal may also carry a sending sound pressure value when the ultrasonic signal is sent out, so the electronic device 12 determines a receiving sound pressure value when receiving the ultrasonic wave, calculates a difference between the sending sound pressure value and the receiving sound pressure value, and calculates a distance between the electronic device 12 and the bluetooth headset 11 by combining a sound pressure attenuation relationship in a propagation medium of the ultrasonic signal.
When the broadcast signal further includes: in order to determine the distance between the electronic device 12 and the bluetooth headset 11 when wirelessly connecting signals, in an alternative embodiment, S202 may include:
When the identification of the Bluetooth headset carried by the wireless connection signal is the same as the identification of the Bluetooth headset carried by the ultrasonic signal, the electronic device 12 determines a first predicted distance between the electronic device 12 and the Bluetooth headset 11 according to the wireless connection signal, and the electronic device 12 determines a second predicted distance between the electronic device 12 and the Bluetooth headset 11 according to the ultrasonic signal;
The electronic device 12 determines the distance between the electronic device 12 and the bluetooth headset 11 according to the first predicted distance and the second predicted distance.
Specifically, when the broadcast signal includes multiple signals, in the embodiment of the present application, the broadcast signal includes not only an ultrasonic signal but also a wireless connection signal, and when the wireless connection signal and the ultrasonic signal are received by the electronic device 12 at the same time, the identifier of the bluetooth headset carried by the wireless connection signal and the identifier of the bluetooth headset carried by the ultrasonic signal are obtained, and when the two identifiers are the same, it is indicated that the wireless connection signal and the ultrasonic signal are signals sent by the same bluetooth headset 11, so that the first predicted distance and the second predicted distance between the electronic device 12 and the bluetooth headset 11 can be determined respectively according to the wireless connection signal and the ultrasonic signal.
Here, it should be noted that, the identifier of the bluetooth headset may be a device identifier, or may be a media access Control Address (MAC, media Access Control Address) Address of the bluetooth headset, which is used for distinguishing the bluetooth headset, and the embodiment of the present application is not limited in particular.
Finally, the distance between the electronic device 12 and the bluetooth headset 11 is determined according to the determined first predicted distance and the determined second predicted distance, so that the distance between the electronic device 12 and the bluetooth headset 11 is determined through the predicted distances determined by at least two signals in the broadcast signals, and the determined distance error is reduced and is more accurate.
In addition, since the wireless connection signal may be a bluetooth signal, or may be a WiFi signal, or may be a bluetooth signal and a WiFi signal, that is, when determining the distance between the electronic device 12 and the bluetooth headset 11, the predicted distance may be determined by at least two signals, or even three signals, and then the final distance may be determined by the predicted distance, so that the accuracy of the determined distance between the electronic device 12 and the bluetooth headset 11 may be improved.
In order to determine the first preset distance, in an alternative embodiment, the determining, by the electronic device 12, the first predicted distance between the electronic device 12 and the bluetooth headset 11 according to the wireless connection signal includes:
The electronic equipment 12 calls an RSSI ranging formula according to the RSSI value of the wireless connection signal, and calculates a first preset distance between the electronic equipment 12 and the Bluetooth headset 11.
Specifically, the electronic device 12 invokes an RSSI ranging equation based on the RSSI value of the wireless signal:
d＝10^((abs(RSSI)-A)/(10*n)) (1)
Where d represents a first predicted distance between the electronic device 12 and the bluetooth headset 11, RSSI represents an RSSI value of the wireless connection signal, a represents a signal strength when the bluetooth headset 11 and the electronic device 12 are separated by 1 meter, and n represents an environmental attenuation factor.
In addition, the distance corresponding to the RSSI value of the received wireless connection signal may be determined according to the relationship between the RSSI value and the distance, and the corresponding distance may be determined as the first predicted distance between the electronic device 12 and the bluetooth headset 11.
To determine the second predicted distance, in an alternative embodiment, the electronic device 12 determines the second predicted distance of the electronic device 12 from the bluetooth headset 11 based on the ultrasonic signal, including:
The electronic device 12 calculates a second predicted distance between the electronic device 12 and the bluetooth headset 11 according to the transmitted sound pressure value, the received sound pressure value, and the attenuation relation of the sound pressure in the ultrasonic signal transmission medium carried in the ultrasonic signal.
Here, in determining the second predicted distance between the electronic device 12 and the bluetooth headset 11 using the ultrasonic signal, the method of determining the distance between the electronic device 12 and the bluetooth headset 11 using the ultrasonic signal described above may be employed, the second predicted distance may be determined using the propagation time and propagation speed of the ultrasonic wave, and the second predicted distance may be determined using the sound pressure of the ultrasonic wave.
Specifically, in determining the second predicted distance by using the sound pressure value, the electronic device 12 determines a difference between the generated sound pressure value and the received sound pressure value according to the generated sound pressure value carried in the ultrasonic signal and the received sound pressure value, and calculates the second predicted distance between the electronic device 12 and the bluetooth headset 11 by combining the attenuation relationship of the sound pressure in the transmission medium of the ultrasonic signal.
To determine the final distance of the electronic device 12 from the bluetooth headset 11, in an alternative embodiment, the electronic device 12 determines the distance of the electronic device 12 from the bluetooth headset 11 based on the first predicted distance and the second predicted distance, including:
The electronic device 12 calculates an average value of the first predicted distance and the second predicted distance, and determines the average value as a distance between the electronic device 12 and the Bluetooth headset 11;
Or the electronic device 12 calculates the root mean square difference between the first predicted distance and the second predicted distance, and determines the root mean square difference as the distance between the electronic device 12 and the bluetooth headset 11.
Specifically, the average value or the root mean square difference of the first predicted distance and the second predicted distance may be calculated, and the average value or the root mean square difference may be determined as the distance between the electronic device 12 and the bluetooth headset 11, and the distance is obtained according to the first predicted distance and the second predicted distance, so that the distance error between the finally obtained electronic device 12 and the bluetooth headset 11 is smaller and is closer to the true value.
S203: the electronic device 12 determines whether to generate prompt information according to the distance between the electronic device 12 and the Bluetooth headset 11;
After determining the distance between the electronic device 12 and the bluetooth headset 11, the electronic device 12 determines whether to generate the prompt information according to the distance between the electronic device 12 and the bluetooth headset 11; the prompting message is used for prompting the electronic device 12 and the bluetooth headset 11 to establish a bluetooth connection.
That is, whether the bluetooth headset 11 is a connectable device of the electronic device 12 is determined by determining the distance between the electronic device 12 and the bluetooth headset 11, so that the closer the distance is to the real value, the more accurate the determination result is, and when the electronic device 12 selects to connect with the bluetooth headset 11, the probability of connection failure is lower, and the connection is more stable, so that the connection efficiency of the bluetooth headset 11 can be improved through the above embodiment.
To determine whether to generate the hint information, in an alternative embodiment, S203 may include:
When the distance between the electronic equipment 12 and the Bluetooth headset 11 is smaller than or equal to a preset threshold value, the electronic equipment 12 determines to generate prompt information;
When the distance between the electronic device 12 and the bluetooth headset 11 is greater than or equal to a preset threshold, the electronic device 12 prohibits generating the prompt message.
Specifically, the distance between the electronic device 12 and the bluetooth headset 11 is compared with a first preset threshold, when the distance between the electronic device 12 and the bluetooth headset 11 is smaller than or equal to the preset threshold, it is indicated that the bluetooth headset 11 is closer to the electronic device 12, and the bluetooth headset 11 belongs to a connectable device of the electronic device 12, so that the electronic device 12 generates prompt information to prompt the electronic device 12 to establish bluetooth connection with the bluetooth headset 11, and when the distance between the electronic device 12 and the bluetooth headset 11 is larger than the preset threshold, it is indicated that the electronic device 12 is farther from the bluetooth headset 11, and the distance range of a peripheral connectable to the electronic device 12 is exceeded, so that the electronic device 12 does not generate prompt information to avoid disturbing a user of the electronic device 12.
After the electronic device 12 generates the prompt message, the user of the electronic device 12 selects whether to connect to the bluetooth headset 11 according to the own requirement, if so, the electronic device 12 sends a connection instruction to the bluetooth headset 11 when receiving the indication that the user needs to connect to, and then establishes bluetooth connection with the bluetooth headset 11.
Here, it should be noted that the prompt information may be a popup window of the electronic device 12 or may be a prompt information of a floating window, which is not limited in particular in the embodiment of the present application.
The following examples illustrate the prompting methods in one or more embodiments described above.
Fig. 3 is a flowchart of an example one of an alternative prompting method provided in an embodiment of the present application, as shown in fig. 3, where the prompting method includes:
The Bluetooth headset uncaps, and simultaneously the Bluetooth headset sends Bluetooth low energy (BLE, bluetooth Low Energy) broadcast and ultrasonic broadcast, and the ultrasonic broadcast carries MAC information consistent with the MAC information carried by the Bluetooth broadcast. The mobile phone receives Bluetooth BLE broadcast and ultrasonic broadcast transmitted by the Bluetooth earphone, detects information such as RSSI, MAC information, transmitting power and the like of the Bluetooth BLE broadcast, detects information such as sound pressure, MAC information, transmitting power and the like of the ultrasonic broadcast, acquires ultrasonic and Bluetooth association judgment when judging that the same Bluetooth earphone transmits, calculates distance information, for example, calculates distances L1 and L2 by using the information, and calculates a comprehensive distance by using L1 and L2.
That is, in the implementation process, the bluetooth headset transmits bluetooth BLE broadcast without any device connected, and simultaneously the bluetooth headset transmits ultrasonic broadcast through ultrasound, and the ultrasonic broadcast contains MAC information of the bluetooth headset; the mobile phone opens Bluetooth, and the Bluetooth receives BLE broadcast and detects RSSI of the BLE broadcast information to determine the distance L1 between the Bluetooth headset and the mobile phone;
The mobile phone turns on a microphone, receives an ultrasonic broadcast signal, detects the sound pressure of the ultrasonic broadcast signal, and judges the distance L2 between the Bluetooth headset and the mobile phone through the sound pressure value; after the MAC information obtained by ultrasound is matched with the MAC information obtained by Bluetooth, the final distance is obtained by the average solving or root mean square deviation method and the like of the ultrasonic obtaining distance L2 and the Bluetooth obtaining distance L1, and when the distance is smaller than or equal to a threshold D1, the popup window prompts the user to connect.
Fig. 4a is a schematic flow chart of an example two of an alternative prompting method provided by the embodiment of the present application, as shown in fig. 4a, a bluetooth headset is opened, the bluetooth headset stores a connected device, and sends a connection signal back to the last connected device, and simultaneously sends an ultrasonic broadcast signal; if the connected mobile phone is in the receiving range, the mobile phone is instantly connected with the Bluetooth headset.
If the connected mobile phone is not in the receiving range, fig. 4b is a schematic flow chart of an example three of an alternative prompting method provided by the embodiment of the present application, as shown in fig. 4b, other mobile phones receive the ultrasonic broadcast, acquire the information such as sound pressure, MAC information, sending power, etc., calculate whether the distance prompts connection, for example, calculate the distance to the bluetooth headset, and if the distance is in the threshold range, initiate connection prompt.
That is, in the implementation process, when the bluetooth headset is connected with other devices, the bluetooth headset sends directional connection information to the last connected device, and simultaneously the bluetooth headset sends ultrasonic broadcast through ultrasound, the ultrasonic broadcast contains information such as MAC address of the bluetooth device, for example, the mobile phone receives connection information of the bluetooth headset in the range of the bluetooth headset, and on the quick connection, the bluetooth headset closes the ultrasonic broadcast.
If the mobile phone is not in the range of the Bluetooth headset, other mobile phones receive ultrasonic broadcasting through microphones (MIC, micphone), the distance is judged by detecting the sound pressure value of the broadcasting, and if the distance is smaller than or equal to a threshold D2, the pop window prompts the user to connect.
Through the above example, based on ultrasonic sound pressure distance and Bluetooth RSSI distance, the final distance is obtained by combining and calculating the ultrasonic sound pressure distance and the Bluetooth RSSI distance, so that the problem of large error is avoided, and the problem that when Bluetooth slave equipment is connected back, connected equipment is out of range, and connection can be found out accurately by ultrasonic broadcasting and other mobile phones.
The embodiment of the application provides a prompting method, which comprises the following steps: receiving a broadcast signal from a Bluetooth headset, wherein the broadcast signal at least comprises an ultrasonic signal, determining the distance between the electronic equipment and the Bluetooth headset according to the broadcast signal, and determining whether to generate prompting information according to the distance between the electronic equipment and the Bluetooth headset, wherein the prompting information is used for prompting that Bluetooth connection can be established between the electronic equipment and the Bluetooth headset; that is, in the embodiment of the application, according to the received broadcast signal at least including the ultrasonic signal, the distance between the electronic device and the bluetooth headset is determined first, and then whether the bluetooth connection can be established between the electronic device and the bluetooth headset is determined according to the distance, so that when the bluetooth headset can at least broadcast the ultrasonic signal, the connectable electronic device can be found out quickly by using the ultrasonic signal when the directional connection fails, and in addition, when the broadcast signal at least includes the ultrasonic signal, the bluetooth headset can at least utilize the ultrasonic signal to measure the distance, and the accuracy of the ultrasonic ranging is higher than that of the bluetooth headset, so that the error of the determined distance is reduced, and the generated prompting information is more accurate.
Example two
The following describes the above-described presentation method with respect to each device side of the connection system.
First, a presentation method is described on the electronic device side.
An embodiment of the present application provides a prompting method, where the method is applied to an electronic device, and fig. 5 is a schematic flow chart of an alternative prompting method provided by the embodiment of the present application, as shown in fig. 5, where the prompting method may include:
S501: receiving a broadcast signal from a Bluetooth headset;
wherein the broadcast signal comprises at least an ultrasonic signal;
S502: determining the distance between the electronic equipment and the Bluetooth headset according to the broadcast signal;
S503: determining whether to generate prompt information according to the distance between the electronic equipment and the Bluetooth headset;
the prompting information is used for prompting the electronic equipment to establish Bluetooth connection with the Bluetooth headset.
In an alternative embodiment, when the broadcast signal further comprises: when wirelessly connecting signals, S502 may include:
When the identification of the Bluetooth headset carried by the wireless connection signal is the same as the identification of the Bluetooth headset carried by the ultrasonic signal, determining a first predicted distance between the electronic equipment and the Bluetooth headset according to the wireless connection signal, and determining a second predicted distance between the electronic equipment and the Bluetooth headset according to the ultrasonic signal;
and determining the distance between the electronic equipment and the Bluetooth headset according to the first predicted distance and the second predicted distance.
In an alternative embodiment, determining a first predicted distance between the electronic device and the bluetooth headset according to the wireless connection signal includes:
And calling an RSSI ranging formula according to the RSSI value of the wireless connection signal, and calculating to obtain a first preset distance between the electronic equipment and the Bluetooth headset.
In an alternative embodiment, determining a second predicted distance of the electronic device from the bluetooth headset based on the ultrasonic signal includes:
And calculating a second predicted distance between the electronic equipment and the Bluetooth headset according to the transmitted sound pressure value, the received sound pressure value and the attenuation relation of the sound pressure in the ultrasonic transmission medium carried in the ultrasonic signal.
In an alternative embodiment, determining the distance between the electronic device and the bluetooth headset based on the first predicted distance and the second predicted distance includes:
calculating an average value of the first predicted distance and the second predicted distance, and determining the average value as the distance between the electronic equipment and the Bluetooth headset;
Or calculating the root mean square difference between the first predicted distance and the second predicted distance, and determining the root mean square difference as the distance between the electronic equipment and the Bluetooth headset.
In an alternative embodiment, determining whether to generate the prompt information according to a distance between the electronic device and the bluetooth headset includes:
When the distance between the electronic equipment and the Bluetooth headset is smaller than or equal to a first preset threshold value, determining to generate prompt information;
and when the distance between the electronic equipment and the Bluetooth headset is greater than or equal to a first preset threshold value, prohibiting generation of prompt information.
Wherein the wireless connection signal comprises one or more of: bluetooth signal, wiFi signal.
Next, the above-described presentation method is described with the bluetooth headset side.
An embodiment of the present application provides a prompting method, where the method is applied to a bluetooth headset, and fig. 6 is a schematic flow chart of another optional prompting method provided by the embodiment of the present application, as shown in fig. 6, where the prompting method may include:
s601: broadcasting a broadcast signal to an electronic device;
wherein the broadcast signal comprises at least an ultrasonic signal;
the broadcasting signal is used for the electronic equipment to determine whether to generate prompt information, and the prompt information is used for prompting the electronic equipment to establish Bluetooth connection with the Bluetooth headset.
In an alternative embodiment, S601 may include:
When the Bluetooth headset has a connected device, a connection instruction is sent to the connected device, and an ultrasonic signal is broadcast to the electronic device.
In an alternative embodiment, S601 may include:
When the Bluetooth headset does not have a connected device, the wireless connection signal and the ultrasonic signal are broadcast to the electronic device.
Wherein the wireless connection signal comprises one or more of: bluetooth signal, wiFi signal.
In addition, embodiments of the present application provide an electronic device consistent with the electronic device provided in one or more of the above embodiments, based on the same inventive concept as the previous embodiments.
Fig. 7 is a schematic structural diagram of an alternative electronic device according to an embodiment of the present application, as shown in fig. 7, where the electronic device includes:
A receiving module 71 for receiving a broadcast signal from the bluetooth headset; wherein the broadcast signal comprises at least an ultrasonic signal;
a first determining module 72, configured to determine a distance between the electronic device and the bluetooth headset according to the broadcast signal;
A second determining module 73, configured to determine whether to generate the prompt information according to the distance between the electronic device and the bluetooth headset; the prompting information is used for prompting the electronic equipment to establish Bluetooth connection with the Bluetooth headset.
In an alternative embodiment, when the broadcast signal further comprises: when the signal is wirelessly connected, the first determining module 72 is specifically configured to:
When the identification of the Bluetooth headset carried by the wireless connection signal is the same as the identification of the Bluetooth headset carried by the ultrasonic signal, determining a first predicted distance between the electronic equipment and the Bluetooth headset according to the wireless connection signal, and determining a second predicted distance between the electronic equipment and the Bluetooth headset according to the ultrasonic signal;
and determining the distance between the electronic equipment and the Bluetooth headset according to the first predicted distance and the second predicted distance.
In an alternative embodiment, the first determining module 72 determines a first predicted distance between the electronic device and the bluetooth headset according to the wireless connection signal, including:
And calling an RSSI ranging formula according to the RSSI value of the wireless connection signal, and calculating to obtain a first preset distance between the electronic equipment and the Bluetooth headset.
In an alternative embodiment, the first determining module 72 determines a second predicted distance of the electronic device from the bluetooth headset based on the ultrasonic signal, including:
And calculating a second predicted distance between the electronic equipment and the Bluetooth headset according to the transmitted sound pressure value, the received sound pressure value and the attenuation relation of the sound pressure in the ultrasonic transmission medium carried in the ultrasonic signal.
In an alternative embodiment, the first determining module 72 determines the distance between the electronic device and the bluetooth headset according to the first predicted distance and the second predicted distance, including:
calculating an average value of the first predicted distance and the second predicted distance, and determining the average value as the distance between the electronic equipment and the Bluetooth headset;
Or calculating the root mean square difference between the first predicted distance and the second predicted distance, and determining the root mean square difference as the distance between the electronic equipment and the Bluetooth headset.
In an alternative embodiment, the second determining module 73 is specifically configured to:
When the distance between the electronic equipment and the Bluetooth headset is smaller than or equal to a first preset threshold value, determining to generate prompt information;
and when the distance between the electronic equipment and the Bluetooth headset is greater than or equal to a first preset threshold value, prohibiting generation of prompt information.
Wherein the wireless connection signal comprises one or more of: bluetooth signal, wiFi signal.
In practical applications, the receiving module 71, the first determining module 72 and the second determining module 73 may be implemented by a processor located on an electronic device, specifically, a central Processing unit (CPU, central Processing Unit), a microprocessor (MPU, microprocessor Unit), a digital signal processor (DSP, digital Signal Processing), or a field programmable gate array (FPGA, field Programmable GATE ARRAY).
The embodiment of the application provides a Bluetooth headset, which is consistent with the Bluetooth headset in one or more embodiments.
Fig. 8 is a schematic structural diagram of an alternative bluetooth headset according to an embodiment of the present application, as shown in fig. 8, where the bluetooth headset includes:
A broadcasting module 81 for broadcasting a broadcast signal to the electronic devices;
wherein the broadcast signal comprises at least an ultrasonic signal;
the broadcasting signal is used for the electronic equipment to determine whether to generate prompt information, and the prompt information is used for prompting the electronic equipment to establish Bluetooth connection with the Bluetooth headset.
In an alternative embodiment, the broadcasting module 81 is specifically configured to:
When the Bluetooth headset has a connected device, a connection instruction is sent to the connected device, and an ultrasonic signal is broadcast to the electronic device.
In an alternative embodiment, the broadcasting module 81 is specifically configured to:
When the Bluetooth headset does not have a connected device, the wireless connection signal and the ultrasonic signal are broadcast to the electronic device.
Wherein the wireless connection signal comprises one or more of: bluetooth signal, wiFi signal.
In practical applications, the broadcasting module 81 may be implemented by a processor located on a bluetooth headset, specifically CPU, MPU, DSP or FPGA.
Fig. 9 is a schematic structural diagram of another alternative electronic device according to an embodiment of the present application, and as shown in fig. 9, an embodiment of the present application provides an electronic device 900, including:
A processor 91 and a storage medium 92 storing instructions executable by the processor 91, the storage medium 92 performing operations in dependence on the processor 91 through a communication bus 93, the instructions, when executed by the processor 91, performing the prompting method performed by the electronic device in one or more embodiments described above.
In practical use, the components in the terminal are coupled together via the communication bus 93. It is understood that the communication bus 93 is used to enable connected communication between these components. The communication bus 93 includes a power bus, a control bus, and a status signal bus in addition to the data bus. But for clarity of illustration the various buses are labeled as communication bus 93 in fig. 9.
Fig. 10 is a schematic structural diagram of another alternative bluetooth headset according to an embodiment of the present application, and as shown in fig. 10, an embodiment of the present application provides a bluetooth headset 1000, including:
A processor 101 and a storage medium 102 storing instructions executable by the processor 101, the storage medium 102 performing operations in dependence on the processor 101 through a communication bus 103, the instructions, when executed by the processor 101, performing the prompting method performed by the bluetooth headset in one or more embodiments described above.
In practical use, the components in the terminal are coupled together through the communication bus 103. It is understood that the communication bus 103 is used to enable connected communication among these components. The communication bus 103 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration the various buses are labeled as communication bus 103 in fig. 10.
Embodiments of the present application provide a computer storage medium storing executable instructions that, when executed by one or more processors, perform the prompting method described in one or more embodiments above as being performed by an electronic device, or the prompting method described in one or more embodiments above as being performed by a bluetooth headset.
The computer readable storage medium may be a magnetic random access Memory (ferromagnetic random access Memory, FRAM), read Only Memory (ROM), programmable Read Only Memory (Programmable Read-Only Memory, PROM), erasable programmable Read Only Memory (Erasable Programmable Read-Only Memory, EPROM), electrically erasable programmable Read Only Memory (ELECTRICALLY ERASABLE PROGRAMMABLE READ-Only Memory, EEPROM), flash Memory (Flash Memory), magnetic surface Memory, optical disk, or Read Only optical disk (Compact Disc Read-Only Memory, CD-ROM), etc.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application.

Claims (15)

1. A prompting method, wherein the method is applied to an electronic device and comprises the following steps:
receiving a broadcast signal from a Bluetooth headset; wherein the broadcast signal comprises at least an ultrasonic signal;
determining the distance between the electronic equipment and the Bluetooth headset according to the broadcast signal;
determining whether to generate prompt information according to the distance between the electronic equipment and the Bluetooth headset; the prompting information is used for prompting the electronic equipment and the Bluetooth headset to establish Bluetooth connection;
wherein, when the broadcast signal further comprises: when the signal is wirelessly connected, the determining the distance between the electronic device and the Bluetooth headset according to the broadcast signal includes:
When the identification of the Bluetooth headset carried by the wireless connection signal is the same as the identification of the Bluetooth headset carried by the ultrasonic signal, determining a first predicted distance between the electronic equipment and the Bluetooth headset according to the wireless connection signal, and determining a second predicted distance between the electronic equipment and the Bluetooth headset according to the ultrasonic signal;
And determining the distance between the electronic equipment and the Bluetooth headset according to the first predicted distance and the second predicted distance.
2. The method of claim 1, wherein determining a first predicted distance of the electronic device from the bluetooth headset based on the wireless connection signal comprises:
and calling an RSSI ranging formula according to the RSSI value of the wireless connection signal, and calculating to obtain a first preset distance between the electronic equipment and the Bluetooth headset.
3. The method of claim 1, wherein determining a second predicted distance of the electronic device from the bluetooth headset based on the ultrasonic signal comprises:
and calculating a second predicted distance between the electronic equipment and the Bluetooth headset according to the transmitted sound pressure value, the received sound pressure value carried in the ultrasonic signal and the attenuation relation of the sound pressure in the transmission medium of the ultrasonic signal.
4. The method of claim 1, wherein the determining the distance of the electronic device from the bluetooth headset based on the first predicted distance and the second predicted distance comprises:
calculating an average value of the first predicted distance and the second predicted distance, and determining the average value as the distance between the electronic equipment and the Bluetooth headset;
Or calculating the root mean square difference of the first predicted distance and the second predicted distance, and determining the root mean square difference as the distance between the electronic equipment and the Bluetooth headset.
5. The method of claim 1, wherein determining whether to generate the alert message based on a distance between the electronic device and the bluetooth headset comprises:
when the distance between the electronic equipment and the Bluetooth headset is smaller than or equal to a preset threshold value, determining to generate the prompt information;
And when the distance between the electronic equipment and the Bluetooth headset is greater than or equal to the preset threshold value, prohibiting generation of the prompt information.
6. The method of any one of claims 1 to 5, wherein the wireless connection signal comprises one or more of: bluetooth signal, wiFi signal.
7. The prompting method is characterized by being applied to a Bluetooth headset and comprising the following steps of:
Broadcasting a broadcast signal to an electronic device; wherein the broadcast signal comprises at least an ultrasonic signal;
the broadcasting signal is used for the electronic equipment to determine whether to generate prompt information or not, and the prompt information is used for prompting the electronic equipment to establish Bluetooth connection with the Bluetooth headset;
wherein, when the broadcast signal further comprises: when the wireless connection signal is received, the broadcast signal is further used for determining a first predicted distance between the electronic device and the Bluetooth headset according to the wireless connection signal and determining a second predicted distance between the electronic device and the Bluetooth headset according to the ultrasonic signal when the identifier of the Bluetooth headset carried by the wireless connection signal is the same as the identifier of the Bluetooth headset carried by the ultrasonic signal; and determining the distance between the electronic equipment and the Bluetooth headset according to the first predicted distance and the second predicted distance.
8. The method of claim 7, wherein broadcasting the broadcast signal to the electronic device comprises:
When the Bluetooth headset has a connected device, a connection instruction is sent to the connected device, and the ultrasonic signal is broadcast to the electronic device.
9. The method of claim 7, wherein broadcasting the broadcast signal to the electronic device comprises:
And broadcasting a wireless connection signal and the ultrasonic signal to the electronic device when the Bluetooth headset does not have the connected device.
10. The method of any of claims 7 to 9, wherein the wireless connection signal comprises one or more of: bluetooth signal, wiFi signal.
11. An electronic device, comprising:
The receiving module is used for receiving the broadcast signals from the Bluetooth headset; wherein the broadcast signal comprises at least an ultrasonic signal;
The first determining module is used for determining the distance between the electronic equipment and the Bluetooth headset according to the broadcast signal;
The second determining module is used for determining whether to generate prompt information according to the distance between the electronic equipment and the Bluetooth headset; the prompting information is used for prompting the electronic equipment and the Bluetooth headset to establish Bluetooth connection;
Wherein, when the broadcast signal further comprises: when the wireless connection signal is received, the first determining module is further configured to determine a first predicted distance between the electronic device and the bluetooth headset according to the wireless connection signal when an identifier of the bluetooth headset carried by the wireless connection signal is the same as an identifier of the bluetooth headset carried by the ultrasonic signal, and determine a second predicted distance between the electronic device and the bluetooth headset according to the ultrasonic signal; and determining the distance between the electronic equipment and the Bluetooth headset according to the first predicted distance and the second predicted distance.
12. A bluetooth headset, comprising:
a broadcasting module for broadcasting a broadcasting signal to the electronic device; wherein the broadcast signal comprises at least an ultrasonic signal;
the broadcasting signal is used for the electronic equipment to determine whether to generate prompt information or not, and the prompt information is used for prompting the electronic equipment to establish Bluetooth connection with the Bluetooth headset;
wherein, when the broadcast signal further comprises: when the wireless connection signal is received, the broadcast signal is further used for determining a first predicted distance between the electronic device and the Bluetooth headset according to the wireless connection signal and determining a second predicted distance between the electronic device and the Bluetooth headset according to the ultrasonic signal when the identifier of the Bluetooth headset carried by the wireless connection signal is the same as the identifier of the Bluetooth headset carried by the ultrasonic signal; and determining the distance between the electronic equipment and the Bluetooth headset according to the first predicted distance and the second predicted distance.
13. An electronic device, comprising:
A processor and a storage medium storing instructions executable by the processor, the storage medium performing operations in dependence upon the processor through a communications bus, the instructions when executed by the processor performing the prompting method of any one of claims 1 to 6.
14. A bluetooth headset, comprising:
a processor and a storage medium storing instructions executable by the processor, the storage medium performing operations in dependence upon the processor through a communications bus, the instructions when executed by the processor performing the prompting method of any one of claims 7 to 10.
15. A computer storage medium storing executable instructions which, when executed by one or more processors, perform the prompting method of any one of claims 1 to 6 or the prompting method of any one of claims 7 to 10.
CN202110896682.9A 2021-08-05 2021-08-05 Prompting method, electronic equipment, bluetooth headset and computer storage medium Active CN113691939B (en)

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