CN114827906B - Bluetooth low-power-consumption reminding system and reminding method thereof - Google Patents
Bluetooth low-power-consumption reminding system and reminding method thereof Download PDFInfo
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- 230000002093 peripheral effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 101150111267 RBR1 gene Proteins 0.000 description 4
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a Bluetooth low-power-consumption reminding system and a reminding method thereof. The setting device sets a plurality of Bluetooth low energy devices, so that the broadcast packet of each Bluetooth low energy device comprises group information. Each Bluetooth low energy device alternately executes the broadcasting action of the broadcasting packet and the listening action of the broadcasting packet responded by the other Bluetooth low energy devices in the confirmation period, and provides a reminding signal if the Bluetooth low energy devices do not receive the identification data of all the other Bluetooth low energy devices at the end of the confirmation period.
Description
Technical Field
The present invention relates to electronic devices, and more particularly, to a bluetooth low energy alert system and alert method thereof.
Background
In the prior art, when a bluetooth receiving device (e.g. a smart phone) receives a Beacon (Beacon) signal pushed by a bluetooth low energy (Bluetooth Low Energy, BLE) broadcasting device, the smart phone can perform subsequent actions according to the Beacon signal, such as downloading corresponding commercial advertisement information, user information, and the like. However, on the premise that connection cannot be initiated to a non-connection (non-connectible) broadcast packet, only one-way information transfer from the bluetooth low energy broadcasting device to the smart phone is allowed in practical application, and the practicability of the bluetooth low energy broadcasting device is limited.
Bluetooth low energy devices can be divided into center (Central) devices and Peripheral (Peripheral) devices. The peripheral device continuously sends out broadcast packets (broadcast) to inform the surrounding environment of its existence. The central device continuously performs a scan operation to determine whether there are any peripheral devices available for connection. In the application of the article reminding device, the article reminding device can be connected with the handheld device of the user through the Bluetooth technology, and once the connection between the article reminding device and the handheld device is disconnected, the article reminding device starts vibrating or sounds. In this application, the function of reminding the article still needs to be achieved by the connection between the central device and the peripheral device.
Disclosure of Invention
The invention provides a Bluetooth low-power-consumption reminding system and a reminding method thereof, which can greatly improve the practicability of a Bluetooth low-power-consumption broadcasting device.
The Bluetooth low-power-consumption reminding system comprises a plurality of Bluetooth low-power-consumption devices and a setting device. The setting device establishes Bluetooth low energy connection with the plurality of Bluetooth low energy devices to set the broadcasting package of each Bluetooth low energy device, so that the broadcasting package of each Bluetooth low energy device comprises group information, each Bluetooth low energy device alternately executes the broadcasting action of the broadcasting package and listens to the listening action of the broadcasting package responded by the other Bluetooth low energy devices in the confirmation period, wherein the group information comprises the identification data of the Bluetooth low energy devices, and each Bluetooth low energy device provides a reminding signal if the identification data of all the other Bluetooth low energy devices are not received by the end of the confirmation period.
In an embodiment of the invention, the identification data of the bluetooth low energy device includes a group identifier and a preset count value, and each bluetooth low energy device counts the number of times of receiving the group identifier in the confirmation period to generate an accumulated count value, and if the accumulated count value is smaller than the preset count value at the end of the confirmation period, a reminder signal is provided.
In an embodiment of the present invention, the identification data of the bluetooth low energy device includes identification names of bluetooth low energy devices, and each bluetooth low energy device provides a reminder if the identification names of all other bluetooth low energy devices are not received at the end of the confirmation period.
In an embodiment of the invention, the setting device starts the bluetooth low energy devices to alternately perform the broadcasting operation and the listening operation during the confirmation period according to the start control signal.
In an embodiment of the invention, the setting device starts the bluetooth low energy device to periodically enter the confirmation period according to the start control signal to alternately perform the broadcasting action and the listening action.
In an embodiment of the present invention, the group information is recorded in a bearer field of the broadcast packet.
In an embodiment of the invention, the broadcast packet is a non-connection broadcast packet.
The invention also provides a reminding method of the Bluetooth low-power-consumption reminding system, which comprises the following steps. And establishing Bluetooth low energy connection with a plurality of Bluetooth low energy devices to set broadcasting packets of the Bluetooth low energy devices so that the broadcasting packets of the Bluetooth low energy devices comprise group information. Each Bluetooth low energy device alternately executes the broadcasting action of the broadcasting packet and the listening action of the broadcasting packet responded by the rest Bluetooth low energy devices during the confirmation, wherein the group information comprises the identification data of the Bluetooth low energy devices. And judging whether all the identification data of the rest Bluetooth low energy devices are received by each Bluetooth low energy device at the end of the confirmation period. And if the identification data of all the rest Bluetooth low-power consumption devices are not received, providing a reminding signal.
In an embodiment of the invention, the identification data of the bluetooth low energy device includes a group identifier and a preset count value, and the reminding method of the bluetooth low energy reminding system includes that each bluetooth low energy device counts the number of times of receiving the group identifier in a confirmation period to generate an accumulated count value, and if the accumulated count value is smaller than the preset count value at the end of the confirmation period, a reminding signal is provided.
In an embodiment of the present invention, the identification data of the bluetooth low energy device includes identification names of bluetooth low energy devices, and the reminding method of the bluetooth low energy reminding system includes providing a reminding signal if each bluetooth low energy device does not receive identification names of all other bluetooth low energy devices when the confirmation period is over.
In an embodiment of the invention, the reminding method of the bluetooth low energy reminding system includes sending a start control signal to start the plurality of bluetooth low energy devices to alternately perform the broadcasting action and the listening action during the confirmation period.
In an embodiment of the present invention, the reminding method of the bluetooth low energy reminding system includes sending a start control signal to start the bluetooth low energy device to periodically enter the confirmation period to alternately perform the broadcasting action and the listening action.
In an embodiment of the present invention, the group information is recorded in a bearer field of the broadcast packet.
In an embodiment of the invention, the broadcast packet is a non-connection broadcast packet.
Based on the above, the embodiment of the present invention makes the broadcast packet of each bluetooth low energy device include group information, and each bluetooth low energy device alternately executes the broadcast action of the broadcast packet and listens for the listening action of the broadcast packet responded by the other bluetooth low energy devices during the confirmation period, and provides the reminding signal if the identification data of all the other bluetooth low energy devices in the group information is not received at the end of the confirmation period. Therefore, the reminding function can be achieved on the premise that the connection cannot be initiated to the non-connection broadcast packet, and the practicability of the Bluetooth low-power-consumption broadcasting device can be greatly improved.
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a schematic diagram of a Bluetooth low energy alert system in accordance with an embodiment of the present invention;
FIG. 2 is a flow chart of a reminder method for a Bluetooth low energy reminder system in accordance with an embodiment of the present invention;
fig. 3 is a flowchart of a reminding method of a bluetooth low energy reminding system according to another embodiment of the invention.
Detailed Description
The term "coupled" as used in this specification (including the claims) may refer to any direct or indirect connection. For example, "a first device coupled to a second device" may be interpreted as "the first device is directly connected to the second device" or "the first device is indirectly connected to the second device through other devices or connections. Furthermore, wherever appropriate, elements/devices/steps having the same reference numbers will be used throughout the drawings and examples to refer to the same or like parts. Elements/devices/steps having the same reference number or designation in different embodiments may be referenced interchangeably.
Various embodiments are provided below to describe the present disclosure in detail, but the present disclosure is not limited to the provided embodiments and the provided embodiments may be appropriately combined. In the following embodiments, the same or similar reference numerals denote the same or similar members or signals.
Fig. 1 is a schematic diagram of a bluetooth low energy alert system according to an embodiment of the invention, please refer to fig. 1. The bluetooth low energy alert system may include a setting device 102 and bluetooth low energy devices 104, 106, 108. The setting device 102 may be, for example, a handheld device such as a cell phone, tablet computer, or other electronic device that may provide a bluetooth low energy connection, and the bluetooth low energy devices 104, 106, 108 may be, for example, bluetooth low energy tags or items having bluetooth low energy tags. The setting device 102 may establish a bluetooth low energy connection with the bluetooth low energy device 104, 106, 108 to set the bluetooth low energy device 104, 106, 108 such that the broadcast packet sent by the bluetooth low energy device 104, 106, 108 includes group information, for example, but not limited to, a payload field of the broadcast packet.
The group information may include identification data of the bluetooth low energy devices 104, 106, 108 so that the bluetooth low energy device that receives the broadcast packet knows whether the device that sent the broadcast packet is a bluetooth low energy device belonging to the same group. For example, each of the bluetooth low energy devices 104, 106, 108 may alternately perform a broadcast operation and a listening operation in a Peripheral (Peripheral) mode during a default acknowledgement period, that is, an operation of transmitting a broadcast packet and listening to a broadcast packet to which the remaining bluetooth low energy devices respond after receiving the broadcast packet, wherein the broadcast packet transmitted in the broadcast operation and the broadcast packet received in the listening operation both include group information and may be non-connection broadcast packets. When the confirmation period is finished, each Bluetooth low-power consumption device can judge whether other Bluetooth low-power consumption devices except the Bluetooth low-power consumption devices in the group information respond to the broadcast packet according to the identification data in the received broadcast packet, and if the identification data of all the other Bluetooth low-power consumption devices in the group information are not received, a reminding signal can be provided to remind a user that the Bluetooth low-power consumption devices are not in the transmission range of the broadcast packet.
For example, the alert mechanism of a bluetooth low energy alert system may be as shown in fig. 2. After the setting device 102 establishes the bluetooth low energy connection with the bluetooth low energy devices 104, 106, 108, the setting device 102 may transmit the setting commands CMD1, CMD2, CMD3 to the bluetooth low energy devices 104, 106, 108, respectively, so as to set the bluetooth low energy devices 104, 106, 108, so that the broadcast packets sent by the bluetooth low energy devices 104, 106, 108 include group information, which in this embodiment may include identification data of the bluetooth low energy devices 104, 106, 108. After completing the setting of the broadcast packet, the setting device 102 may send an enable control signal ST1 to the bluetooth low energy devices 104, 106 and 108 to enable the bluetooth low energy devices 104, 106 and 108 to start to alternately perform the above-mentioned broadcasting and listening operations in the peripheral mode during the confirmation period T1. For example, in the present embodiment, the bluetooth low energy device 104 performs a broadcast action to send the broadcast packet BR1, and the bluetooth low energy devices 106 and 108 perform a listening action to receive the broadcast packet BR1 from the bluetooth low energy device 104 and send the broadcast packets RBR1 and RBR2 in response to the broadcast packet BR1, respectively. Bluetooth low energy device 104, after performing the broadcast action, then performs a listening action to listen for broadcast packets RBR1 and RBR2 from the bluetooth low energy devices 106, 108 response.
The bluetooth low energy device 104 can confirm whether the broadcast packets RBR1, RBR2 of the bluetooth low energy devices 106, 108 are received according to the group information set by the setting device 102, if the broadcast packets RBR1, RBR2 of the bluetooth low energy devices 106, 108 are received, no alert signal is sent, and if the broadcast packets sent by either of the bluetooth low energy devices 106, 108 are not received, the bluetooth low energy device 104 can send an alert signal to alert the user that at least one of the bluetooth low energy devices 106, 108 is not within the transmission range of the broadcast packets.
Further, the identification data in the group information may include, for example, a group identifier (e.g., 2353, but not limited to, a preset count value (in the present embodiment, the preset count value may be, for example, 2), and the bluetooth low energy device 104 may determine whether the bluetooth low energy devices sending the broadcast packet belong to the bluetooth low energy devices in the same group according to whether the received broadcast packet includes the group identifier, and accumulate the count value when determining that the bluetooth low energy devices sending the broadcast packet belong to the bluetooth low energy devices in the same group, for example, when determining that the received broadcast packet includes the group identifier 2353, increment the count value by 1. It should be noted that, the broadcast packet of the bluetooth low energy device further includes other device identification information, such as address information, but not limited thereto, the bluetooth low energy device 104 can determine whether to repeatedly receive the broadcast packet of the same bluetooth low energy device according to the device identification information, so as to avoid repeated counting.
If the accumulated count value (e.g., 2) is equal to the preset count value, it represents that the bluetooth low energy device 104 has received the bluetooth low energy devices (e.g., bluetooth low energy devices 106, 108) except for itself in the group information, and may not need to send the alert signal. Otherwise, if the accumulated count value (e.g., 1) is smaller than the preset count value at the end of the confirmation period T1, which represents that the bluetooth low energy device 104 does not receive all the other bluetooth low energy devices except for itself in the group information, the bluetooth low energy device 104 can send a reminding signal to remind the user that the bluetooth low energy device is not in the transmission range of the broadcast packet.
In some embodiments, the identification data in the group information may also include different identification names corresponding to the bluetooth low energy devices 104, 106, 108, for example, the identification names of the bluetooth low energy devices 104, 106, 108 may be wallets, keys, and passports, respectively, but not limited thereto. The bluetooth low energy device 104 can determine whether all the remaining bluetooth low energy devices belonging to the same group have received the broadcast packet according to the identification name included in the received broadcast packet. For example, if a wide packet identifying a key or passport has been received, a reminder may not be sent, but if only an advertising packet of the key or passport is received at the end of the confirmation period T1, a reminder is sent to remind the user that the bluetooth low energy device is not already within the transmission range of the broadcast packet.
Similarly, the bluetooth low energy device 106 performs the broadcasting and listening operations during the confirmation period T1 in the same manner, i.e. sends the broadcasting packet BR2 and receives the broadcasting packets RBR3 and RBR4 from the response of the bluetooth low energy devices 104 and 108, and determines whether to send the alert signal according to the received broadcasting packet. In addition, the bluetooth low energy device 108 also performs the broadcasting operation of transmitting the broadcasting packet BR2 and the listening operation of receiving the broadcasting packets RBR5 and RBR6 from the response of the bluetooth low energy devices 104 and 106 in the same manner during the acknowledgement period T1, and determines whether to send out the alert signal according to the received broadcasting packet. Thus, the group information is set in the broadcast packets of the bluetooth low energy devices 104, 106, 108, so that the bluetooth low energy devices 104, 106, 108 alternately execute the broadcast action and the listening action in the confirmation period T1, and determine whether to provide the reminding signal according to whether the identification data of all the rest bluetooth low energy devices in the group information is received at the end of the confirmation period T1, thereby achieving the effect of executing the reminding function according to the group information even if the bluetooth low energy devices 104, 106, 108 are in the peripheral mode and cannot initiate connection to the non-connection broadcast packets, and greatly improving the practicability of the bluetooth low energy broadcasting device.
It should be noted that the setting device 102 may control the bluetooth low energy devices 104, 106, 108 to periodically enter the confirmation period T1 by activating the control signal, and alternately perform the broadcasting and listening operations during each confirmation period T1 to continuously monitor the positions of each other, so as to confirm that the bluetooth low energy devices 104, 106, 108 are all within the transmission range of the broadcasting packets of each other. In some embodiments, the setting device 102 may also control the bluetooth low energy devices 104, 106, 108 to enter the confirmation period T1 only once through the start control signal, and stop alternately performing the broadcasting action and the listening action after the confirmation period T1 is completed, and enter the confirmation period T1 again after the user operates the setting device 102 again to send the start control signal, so as to reduce power consumption and prolong the service time of the bluetooth low energy devices 104, 106, 108. In addition, although the above embodiments take three bluetooth low energy devices 104, 106, 108 as examples for describing the bluetooth low energy alert system, the number of bluetooth low energy devices is not limited to this, and in other embodiments, the bluetooth low energy alert system may also include different numbers of bluetooth low energy devices, such as 2 or more than 4 bluetooth low energy devices.
Fig. 3 is a flowchart of a reminding method of a bluetooth low energy reminding system according to an embodiment of the invention. As can be seen from the above embodiments, the reminding method of the bluetooth low energy reminding system may include the following steps. Firstly, bluetooth low energy connection is established with a plurality of bluetooth low energy devices to set a broadcast packet of each bluetooth low energy device, such that the broadcast packet of each bluetooth low energy device includes group information (step S302), wherein the broadcast packet may be, for example, a non-connection broadcast packet, the group information may be, for example, recorded in a bearer field of the broadcast packet, and the group information may include identification data of the plurality of bluetooth low energy devices. The identification data may for example comprise a group identifier and a preset count value, and in some embodiments the identification data may for example comprise identification names of a plurality of bluetooth low energy devices. Next, each bluetooth low energy device alternately performs a broadcasting operation of broadcasting packets and a listening operation of listening to broadcasting packets responded by the remaining bluetooth low energy devices during the confirmation period (step S304). Then, each bluetooth low energy device determines whether identification data of all the remaining bluetooth low energy devices in the group information is received at the end of the confirmation period (step S306), for example, whether identification data of all the remaining bluetooth low energy devices in the group information is received may be determined by determining whether the number of times of cumulative reception including the group identifier is smaller than the cumulative count value, or whether identification data of all the remaining bluetooth low energy devices in the group information is received may be determined by determining whether a broadcast packet including identification names of all the remaining bluetooth low energy devices in the group information is received. If the bluetooth low energy devices other than the bluetooth low energy device itself in the group information have been received, a reminder signal is not required to be sent, and step S304 is performed, and if the bluetooth low energy devices other than the bluetooth low energy device itself in the group information have not been received, a reminder signal is sent to remind the user that the bluetooth low energy device is not within the transmission range of the broadcast packet (step S308).
Each bluetooth low energy device may periodically enter an acknowledgement period (e.g., from step S306 back to step S304) after receiving the start control signal, and alternately perform a broadcast operation and a listening operation during each acknowledgement period to continuously monitor each other 'S location, so as to confirm that a plurality of bluetooth low energy devices are all within a transmission range of each other' S broadcast packet. In some embodiments, each bluetooth low energy device may enter the confirmation period only once according to the received start control signal, so as to reduce power consumption.
In summary, the embodiment of the invention makes the broadcast packet of each bluetooth low energy device include the group information, and each bluetooth low energy device alternately executes the broadcast action of the broadcast packet and listens for the listening action of the broadcast packet responded by the other bluetooth low energy devices during the confirmation period, and provides the reminding signal if the identification data of all the other bluetooth low energy devices in the group information is not received at the end of the confirmation period. Therefore, the reminding function can be achieved on the premise that the connection cannot be initiated to the non-connection broadcast packet, and the practicability of the Bluetooth low-power-consumption broadcasting device can be greatly improved.
Although the invention has been described with reference to the above embodiments, it should be understood that the invention is not limited thereto, but rather may be modified or altered somewhat by persons skilled in the art without departing from the spirit and scope of the invention.
Claims (8)
1. A bluetooth low energy alert system comprising:
a plurality of bluetooth low energy devices; and
setting means for setting up bluetooth low energy connections with the plurality of bluetooth low energy devices to set up broadcast packets of each bluetooth low energy device such that the broadcast packets of each bluetooth low energy device include group information, each bluetooth low energy device alternately performing a broadcast action of the broadcast packets and alternately performing a listening action of listening to broadcast packets responded by the remaining plurality of bluetooth low energy devices during an acknowledgment period, wherein the group information includes identification data of the plurality of bluetooth low energy devices, each bluetooth low energy device responds to the absence of receipt of identification data of all remaining plurality of bluetooth low energy devices at the end of the acknowledgment period, provides a reminder signal, and responds to the receipt of identification data of all remaining plurality of bluetooth low energy devices at the end of the acknowledgment period, does not provide the reminder signal, wherein
The identification data of the plurality of bluetooth low energy devices comprises a group identifier and a preset count value, each bluetooth low energy device counts the times of receiving the group identifier in the confirmation period to generate an accumulated count value, and if the accumulated count value is smaller than the preset count value when the confirmation period is finished, the reminding signal is provided.
2. The bluetooth low energy alert system according to claim 1, wherein the identification data of the plurality of bluetooth low energy devices includes identification names of the plurality of bluetooth low energy devices, each bluetooth low energy device providing the alert signal if all remaining identification names of the plurality of bluetooth low energy devices are not received at the end of the acknowledgment period.
3. The bluetooth low energy alert system according to claim 1, wherein the setting means activates the plurality of bluetooth low energy devices to alternately perform the broadcasting action and the listening action during the confirmation period according to an activation control signal.
4. The bluetooth low energy alert system according to claim 1, wherein the setting means activates the plurality of bluetooth low energy devices to alternately perform the broadcasting action and the listening action periodically during the confirmation period according to an activation control signal.
5. The bluetooth low energy alert system according to claim 1, wherein the group information is recorded in a bearer field of the broadcast packet.
6. The bluetooth low energy alert system according to claim 1, wherein the broadcast packet is a non-connection broadcast packet.
7. A reminding method of a Bluetooth low energy reminding system comprises the following steps:
establishing Bluetooth low energy connection with a plurality of Bluetooth low energy devices to set broadcast packets of the Bluetooth low energy devices so that the broadcast packets of the Bluetooth low energy devices comprise group information;
each bluetooth low energy device alternately executes the broadcasting action of the broadcasting packet and the listening action of the broadcasting packet for listening to the responses of the other bluetooth low energy devices during the confirmation period, wherein the group information comprises the identification data of the bluetooth low energy devices;
each Bluetooth low energy device judges whether all the rest identification data of the plurality of Bluetooth low energy devices are received when the confirmation period is finished;
each bluetooth low energy device provides a reminding signal in response to not receiving the identification data of all the rest of the plurality of bluetooth low energy devices, and does not provide the reminding signal in response to receiving the identification data of all the rest of the plurality of bluetooth low energy devices at the end of the confirmation period, wherein the identification data of the plurality of bluetooth low energy devices comprises a group identifier and a preset count value; and
each Bluetooth low power consumption device counts the times of receiving the group identifier in the confirmation period to generate an accumulated count value, and provides the reminding signal if the accumulated count value is smaller than the preset count value when the confirmation period is ended.
8. The reminding method of the bluetooth low energy reminding system according to claim 7, wherein the identification data of the plurality of bluetooth low energy devices comprises identification names of the plurality of bluetooth low energy devices, and the reminding method of the bluetooth low energy reminding system comprises the following steps:
and each Bluetooth low energy device provides the reminding signal if the identification names of all the other Bluetooth low energy devices are not received at the end of the confirmation period.
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| CN114827906A (en) | 2022-07-29 |
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