CN112929862B - Bluetooth Beacon protocol-based device connection method - Google Patents
Bluetooth Beacon protocol-based device connection method Download PDFInfo
- Publication number
- CN112929862B CN112929862B CN202110157581.XA CN202110157581A CN112929862B CN 112929862 B CN112929862 B CN 112929862B CN 202110157581 A CN202110157581 A CN 202110157581A CN 112929862 B CN112929862 B CN 112929862B
- Authority
- CN
- China
- Prior art keywords
- information
- wireless connection
- data packet
- connection
- bluetooth beacon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
-
- 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
Abstract
The embodiment of the invention provides a device connection method based on a Bluetooth Beacon protocol, which comprises the steps of broadcasting a Bluetooth Beacon data packet carrying wireless connection information through first equipment, wherein the wireless connection information comprises equipment information of the first equipment, wireless connection setting information and special identification information, and the special identification information is used for indicating that the Beacon data packet is a data packet carrying the wireless connection information. And after receiving the Bluetooth Beacon data packet, the second device extracts the wireless connection information in the Bluetooth Beacon data packet and is connected with the first device according to the wireless connection information. When the first device does not establish wireless communication connection with the second device, wireless connection information is transmitted to the second device through broadcasting of Bluetooth Beacon packets, and the process of establishing wireless communication connection between the two devices is greatly simplified.
Description
Technical Field
The invention relates to the technical field of the Internet of things, in particular to a device connection method based on a Bluetooth Beacon protocol.
Background
At present, along with the development of the internet of things technology, smart home shows a high-speed increasing trend. At present, due to the popularization of wireless local area networks (Wireless Local Area Network, WLAN) in home environments, smart home devices mainly adopt a near field communication technology such as WLAN, and are in communication connection with a control terminal of a user such as a smart phone under the same local area network.
When a control terminal of a user and intelligent household equipment to be connected are not connected to the same local area network, the process of establishing communication connection between the control terminal and the intelligent household equipment is complicated.
Disclosure of Invention
The embodiment of the invention provides a device connection method based on a Bluetooth Beacon protocol, which is used for solving the problem that in the prior art, when a control terminal and intelligent home equipment are not connected to the same local area network, the process of establishing communication connection between the control terminal and the intelligent home equipment is complicated.
The embodiment of the invention provides a device connection method based on a Bluetooth Beacon protocol, which is applied to first devices and comprises the following steps:
broadcasting a Bluetooth Beacon data packet carrying wireless connection information, wherein the wireless connection information comprises equipment information of the first equipment, wireless connection setting information and special identification information, and the special identification information is used for indicating that the Beacon data packet is a data packet carrying the wireless connection information;
receiving a request for establishing wireless communication connection sent by second equipment based on the Beacon data packet;
and establishing corresponding wireless communication connection with the second equipment according to the request.
Optionally, the wireless connection information further includes:
A device type of the first device;
and/or data packet version information, which is used for indicating the version of the Bluetooth Beacon data packet;
and/or an internet connection status flag.
Optionally, the wireless connection information is located in a set number of bytes between an Ibeacon Prefix field and a TX Power field of the Beacon packet.
Optionally, the device type is located at a starting position of the wireless connection information;
the Internet connection state mark is positioned in a byte after the byte occupied by the equipment type;
the data packet version information is located in the 1 st byte of the security UUID field;
the private identification information is located in a specified number of bytes at an end position of the wireless connection related information.
Optionally, broadcasting a bluetooth Beacon packet carrying wireless connection related information, including:
splitting different information in the wireless connection information into a plurality of parts;
and broadcasting the part information through corresponding Bluetooth Beacon data packets, wherein each Bluetooth Beacon data packet comprises the total number of parts, part numbers and special identification information.
Optionally, the total number of parts, the part number, is located in one byte after the byte occupied by the device type.
Optionally, the device information includes:
a media access control address MAC and a device name of the first device;
or the media access control address MAC, the device name, and device name flag information, where the device name flag information is used to indicate whether the device name in the Beacon packet is complete.
Optionally, the MAC is located in bytes 2 to 7 of the security UUID field;
the device name is located from the 8 th byte of the Proximity UUID field to the 2 nd byte of the Minor field;
the device name tag information is located in 1 byte after the byte occupied by the device type.
Optionally, the wireless connection setting information includes:
an internet protocol address IP, an internet protocol address IP protocol format flag, and a wireless connection name of the first device;
or the internet protocol address IP, the internet protocol address IP protocol format flag, the wireless connection name and the wireless connection name flag information, where the wireless connection name flag information is used to indicate whether the wireless connection name in the Beacon data packet is complete.
Optionally, the internet protocol address IP is located in bytes 2 to 7 of the security UUID field;
The IP format mark is positioned in 1 byte after the byte occupied by the equipment type;
the wireless connection name is positioned from the 8 th byte of the Proximity UUID field to the 2 nd byte of the Minor field;
the wireless connection name flag information is located in 1 byte after the byte occupied by the device type.
Correspondingly, the embodiment of the invention also provides a device connection method based on the Bluetooth Beacon protocol, which is applied to the second device and comprises the following steps:
receiving a Bluetooth Beacon data packet carrying wireless connection information, which is broadcasted by a first device, wherein the wireless connection information comprises device information, wireless connection setting information and special identification information of the first device; the special identification information is used for indicating that the Beacon data packet is a data packet carrying wireless connection information;
extracting the wireless connection information from the Bluetooth Beacon data packet according to the special identification information;
and sending a request for establishing wireless communication connection to the first device by utilizing the wireless connection information so as to establish wireless communication connection with the first device.
Optionally, sending a request for establishing a wireless communication connection to the first device using the wireless connection information includes:
Inquiring whether the record of the first equipment exists in a locally stored connectable equipment list, and adding the record into the connectable equipment list if the record does not exist;
displaying the connectable device list including the first device record;
and responding to an instruction for connecting with the first equipment, and sending a request for establishing wireless communication connection to the first equipment according to the equipment information and the wireless connection setting information.
Based on the same inventive concept, the embodiment of the invention also provides a device connection device based on the bluetooth Beacon protocol, which is applied to the first device and comprises:
the broadcasting module is used for broadcasting a Bluetooth Beacon data packet carrying wireless connection information, wherein the wireless connection information comprises equipment information of the first equipment, wireless connection setting information and special identification information, and the special identification information is used for indicating that the Beacon data packet is a data packet carrying the wireless connection information;
a request receiving module, configured to receive a request sent by a second device based on the Beacon data packet to establish a wireless communication connection;
and the wireless connection module is used for establishing corresponding wireless communication connection with the second equipment according to the request.
Correspondingly, the embodiment of the invention also provides a device connecting device based on the Bluetooth Beacon protocol, which is applied to the second device and comprises:
a broadcast receiving module, configured to receive a bluetooth Beacon packet carrying wireless connection information broadcast by a first device, where the wireless connection information includes device information of the first device, wireless connection setting information, and private identification information; the special identification information is used for indicating that the Beacon data packet is a data packet carrying wireless connection information;
the information extraction module is used for extracting the wireless connection information from the Bluetooth Beacon data packet according to the special identification information;
and the wireless connection module is used for sending a request for establishing wireless communication connection to the first equipment by utilizing the wireless connection information so as to establish wireless communication connection with the first equipment.
Based on the same inventive concept, an embodiment of the present invention further provides an electronic device, including: a processor and a memory for storing instructions executable by the processor;
wherein the processor is configured to execute the instructions to implement the device connection method applied to the first device or to implement the device connection method applied to the second device.
Based on the same inventive concept, the embodiments of the present invention also provide a computer storage medium storing a computer program for implementing the device connection method applied to the first device or the device connection method applied to the second device.
The invention has the following beneficial effects:
according to the device connection method based on the Bluetooth Beacon protocol, the first device uses the Bluetooth Beacon data packet to carry wireless connection information for broadcasting, and the second device acquires corresponding information according to the received Bluetooth Beacon data packet so as to establish connection. When the first device does not establish wireless communication connection with the second device, wireless connection information can be transmitted to the second device through broadcasting of Bluetooth Beacon packets, and the process of establishing wireless communication connection between the two devices is greatly simplified.
Drawings
Fig. 1 is a flowchart of a device connection method applied to a first device according to an embodiment of the present invention;
fig. 2 is one of flowcharts of a device connection method applied to a second device according to an embodiment of the present invention;
FIG. 3 is a second flowchart of a device connection method applied to a second device according to an embodiment of the present invention;
Fig. 4 is a schematic structural diagram of an apparatus connection device applied to a first apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an apparatus connection device applied to a second apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a further description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted. The words expressing the positions and directions described in the present invention are described by taking the drawings as an example, but can be changed according to the needs, and all the changes are included in the protection scope of the present invention. The drawings of the present invention are merely schematic representations of relative positional relationships and are not intended to represent true proportions.
It is noted that in the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than those herein described, and those skilled in the art may readily devise numerous other arrangements that do not depart from the spirit of the invention. Therefore, the present invention is not limited by the specific embodiments disclosed below. The description hereinafter sets forth the preferred embodiment for carrying out the present application, but is not intended to limit the scope of the present application in general, for the purpose of illustrating the general principles of the present application. The scope of the present application is defined by the appended claims.
Interpretation of related terms
Bluetooth Beacon protocol: a low-power consumption short-distance communication protocol based on Bluetooth technology. Information is sent to other devices by broadcasting Beacon packets to the vicinity. The Beacon packet is specifically shown in table 1 below.
TABLE 1 Beacon packet field correspondence information table
The information corresponding to the Ibeacon Prefix field is shown in the following table 2 in sequence from front to back.
TABLE 2 Ibeacon Prefix field correspondence information Table
The device connection method based on the bluetooth Beacon protocol provided by the embodiment of the invention is specifically described below with reference to the accompanying drawings.
The embodiment of the invention provides a device connection method based on a Bluetooth Beacon protocol, which is applied to first devices, as shown in fig. 1, and comprises the following steps:
s101, broadcasting a Bluetooth Beacon data packet carrying wireless connection information, wherein the wireless connection information comprises equipment information of the first equipment, wireless connection setting information and special identification information, and the special identification information is used for indicating that the Beacon data packet is a data packet carrying the wireless connection information;
s102, receiving a request for establishing wireless communication connection sent by second equipment based on the Beacon data packet;
s103, establishing corresponding wireless communication connection with the second equipment according to the request.
In the implementation, the wireless communication connection may be a wireless local area network (Wireless Local Area Network, WLAN) or the like, which is not limited herein.
In this way, the first device uses the Bluetooth Beacon data packet to carry wireless connection information for broadcasting, and the second device acquires corresponding information according to the received Bluetooth Beacon data packet so as to establish connection. When the first device does not establish wireless communication connection with the second device, wireless connection information can be transmitted to the second device through broadcasting of Bluetooth Beacon packets, and the process of establishing wireless communication connection between the two devices is greatly simplified.
Optionally, the wireless connection information further includes a device type of the first device.
In a specific implementation, the device type may be used to indicate the function of the first device, such as a television, a set-top box, a refrigerator, a washing machine, etc., which is not limited herein.
Thus, through the device type, the corresponding operation can be conveniently performed after the second device is connected with the first device.
And/or, the wireless connection information further comprises data packet version information, which is used for indicating the version of the Bluetooth Beacon data packet.
In this way, the second device may extract information from the corresponding location of the bluetooth Beacon packet via the packet version information.
And/or, the wireless connection information further comprises an internet connection status flag.
In a specific implementation process, the internet connection status flag is used for indicating the connection status of the first device and the internet, and the connection status includes that the first device is not connected to the internet, is connected to the internet through a wired connection mode, and is connected to the internet through a wireless connection mode.
In this way, the corresponding operation is facilitated after the second device is connected with the first device.
Optionally, the wireless connection information is located in a set number of bytes between an Ibeacon Prefix field and a TX Power field of the Beacon packet.
In a specific implementation process, the wireless connection information may be set in at most 24 bytes from the 6 th byte of the Ibeacon Prefix field to the byte corresponding to the TX Power field.
Optionally, the device type is located at a start position of the wireless connection information.
In the implementation process, the device type is located in the 8 th byte of the Ibeacon Prefix, namely, the byte where the Beacon identification bit is located. In a specific embodiment, when the value of the device type is 0x00, the first device is a television; when the value of the equipment type is 0x01, the first equipment is a set top box; and when the value of the equipment type is 0x02, the first equipment is a refrigerator.
Optionally, the internet connection status flag is located in a byte subsequent to the byte occupied by the device type.
In a specific implementation process, the internet connection status flag is located in byte 9 of the Ibeacon Prefix. The internet connection status flag may use only a portion of bits of the corresponding byte, for example two of the bits. In a specific embodiment, the internet connection status flag is located at the 5 th bit and the 6 th bit of the 9 th byte of the Ibeacon Prefix, and when the value of the position is 00, the first device is not connected to the internet; when the numerical value of the position is 01, the first equipment is connected to the Internet in a wired connection mode; and when the numerical value of the position is 10, the first device is connected to the Internet in a wireless connection mode.
Optionally, the packet version information is located in byte 1 of the security UUID field.
In an implementation, the packet version information may use only a portion of bits, e.g., two bits, of the corresponding bytes. In a specific embodiment, the packet version information is located in bits 2 and 3 of byte 1 of the attribute UUID field.
Optionally, the private identification information is located in a specified number of bytes at an end position of the wireless connection related information.
In a specific implementation process, the special identification information may be located in 2 bytes at the end position of the wireless connection related information, that is, bytes corresponding to TX Power and reserved bytes. In one specific embodiment, the proprietary identification information is the ASCII code character "HS" (i.e., 0x48 x 0x 53).
Optionally, broadcasting a bluetooth Beacon packet carrying wireless connection related information, including:
splitting different information in the wireless connection information into a plurality of parts;
and broadcasting the part information through corresponding Bluetooth Beacon data packets, wherein each Bluetooth Beacon data packet comprises the total number of parts, part numbers and special identification information.
In the implementation process, different information in the wireless connection information can be split into two parts, wherein a Bluetooth Beacon data packet in which part of information is located is used as a first Bluetooth Beacon data packet, and the equipment information is carried; and the other Bluetooth Beacon data packet is taken as a second Bluetooth Beacon data packet and carries the wireless connection setting information. The step S101 specifically includes: and broadcasting the first Bluetooth Beacon data packet, wherein the first Bluetooth Beacon data packet is broadcasted after a preset time interval. The preset time is not limited.
In this way, the plurality of bluetooth Beacon data packets respectively carry different wireless connection information, so that the data volume transmitted by the device connection method to the second device can be increased.
Optionally, the total number of parts, the part number, is located in one byte after the byte occupied by the device type.
In a specific implementation, the total number of parts and the part number are located in the 9 th byte of the Ibeacon Prefix field. The total number of parts and the part number may use only part bits of the corresponding byte, for example two of the bits. In a specific embodiment, the part numbers are located at bits 1 and 2 of byte 9 of the Ibeacon Prefix field, and the total number of parts is located at bits 3 and 4 of byte 9 of the Ibeacon Prefix field.
Optionally, the device information includes:
the MAC and device name of the first device.
In a specific implementation, the MAC needs to occupy 6 bytes between the Ibeacon Prefix field and the TX Power field. The device name may set the occupied data length as needed. In a specific embodiment, the device name occupies 13 bytes.
Or, alternatively, the device information includes:
the MAC of the first device, the device name and device name flag information, wherein the device name flag information is used for indicating whether the device name in the Beacon data packet is complete.
In a specific implementation process, the device name of the first device may be very long, and the corresponding location reserved in the Beacon packet is smaller than the length of the device name of the first device, so that the device name carried in the Beacon packet is incomplete. Thus, the second device can determine whether the received device name is complete or not through the device name flag information.
Optionally, the MAC is located in bytes 2 to 7 of the security UUID field;
The device name is located from the 8 th byte of the Proximity UUID field to the 2 nd byte of the Minor field;
the device name tag information is located in 1 byte after the byte occupied by the device type.
In an implementation, the device name tag information may use only a portion of bits of the corresponding byte, such as 1 bit. In a specific embodiment, the device name tag information is located in bit 8 of byte 9 of the Ibeacon Prefix field, where a corresponding value of 1 indicates that the device name is incomplete, and a corresponding value of 0 indicates that the device name is complete.
Optionally, the wireless connection setting information includes:
an internet protocol (Internet Protocol, IP) address, an IP protocol format flag, and a wireless connection name of the first device.
In the implementation process, the IP address may be in an IPv4 format or an IPv6 format. Then the IP address needs to occupy 6 bytes between the Ibeacon Prefix field and the TX Power field. The IP protocol format flag is used for indicating whether the IP address is in an IPv4 format or an IPv6 format. The wireless connection name can set the occupied data length according to the requirement. In a specific embodiment, the wireless connection name occupies 13 bytes.
Or, alternatively, the wireless connection setting information includes:
the IP address, the IP protocol format mark, the wireless connection name and the wireless connection name mark information are used for indicating whether the wireless connection name in the Beacon data packet is complete or not.
In a specific implementation process, the wireless connection name may be very long, and the corresponding position reserved in the Beacon packet is smaller than the length of the wireless connection name, so that the wireless connection name carried in the Beacon packet is incomplete. Thus, the second device can determine whether the received wireless connection name is complete or not through the wireless connection name flag information.
Optionally, the IP address is located in 6 bytes from the 2 nd byte to the 7 th byte of the Proximity UUID field;
the IP protocol format mark is positioned in 1 byte after the byte occupied by the equipment type;
the wireless connection name is positioned from the 8 th byte of the Proximity UUID field to the second byte of the Minor field;
the wireless connection name flag information is located in 1 byte after the byte occupied by the device type.
In an implementation, the wireless connection name tag information may use only a portion of bits of the corresponding byte, for example, 1 bit therein. In a specific embodiment, the wireless connection name flag information is located at the 7 th bit of the 9 th byte of the Ibeacon Prefix field, where a corresponding value of 1 indicates that the wireless connection name is incomplete, and a corresponding value of 0 indicates that the wireless connection name is complete.
In a specific embodiment, the wireless connection information is split into two parts and broadcast via a first bluetooth Beacon packet and a second bluetooth Beacon packet, respectively. The first bluetooth Beacon packet is specifically shown in table 3 below:
table 3 the first bluetooth Beacon packet portion correspondence information table of the present invention
Table 4 the first bluetooth Beacon packet portion correspondence information table of the present invention
The second bluetooth Beacon packet is specifically shown in table 5 below:
table 5 the second bluetooth Beacon packet portion correspondence information table of the present invention
Table 6 the second bluetooth Beacon packet portion correspondence information table of the present invention
Correspondingly, the embodiment of the invention also provides a device connection method based on the Bluetooth Beacon protocol, which is applied to the second device, as shown in fig. 2, and comprises the following steps:
S201, receiving a Bluetooth Beacon data packet carrying wireless connection information, which is broadcasted by a first device, wherein the wireless connection information comprises device information, wireless connection setting information and special identification information of the first device; the special identification information is used for indicating that the Beacon data packet is a data packet carrying wireless connection information;
s202, extracting the wireless connection information from the Bluetooth Beacon data packet according to the special identification information;
s203, sending a request for establishing wireless communication connection to the first device by using the wireless connection information so as to establish wireless communication connection with the first device.
In the implementation process, the specific implementation manner of the bluetooth Beacon data packet is consistent with the content described above, and reference may be made to the content corresponding to the above, and the same specific implementation manner will not be described in detail later.
In this way, the first device uses the Bluetooth Beacon data packet to carry wireless connection information for broadcasting, and the second device acquires corresponding information according to the received Bluetooth Beacon data packet so as to establish connection. The wireless connection information can be transmitted to the second device when the first device does not establish wireless communication connection with the second device, so that the process of establishing wireless communication connection between the two devices is greatly simplified.
Optionally, in the step S203, the sending, by using the wireless connection information, a request for establishing a wireless communication connection to the first device includes:
inquiring whether the record of the first equipment exists in a locally stored connectable equipment list, and adding the record into the connectable equipment list if the record does not exist;
displaying the connectable device list including the first device record;
and responding to an instruction for connecting with the first equipment, and sending a request for establishing wireless communication connection to the first equipment according to the equipment information and the wireless connection setting information.
Thus, by recording the information of the first device, the speed of the connection process after the bluetooth Beacon packet is received for the first time can be increased.
Optionally, the wireless connection information further includes:
a device type of the first device;
and/or data packet version information, which is used for indicating the version of the Bluetooth Beacon data packet;
and/or an internet connection status flag.
Optionally, the wireless connection information is located in a set number of bytes between an Ibeacon Prefix field and a TX Power field of the Beacon packet.
Optionally, the device type is located at a starting position of the wireless connection information;
the Internet connection state mark is positioned in a byte after the byte occupied by the equipment type;
the data packet version information is located in the 1 st byte of the security UUID field;
the private identification information is located in a specified number of bytes at an end position of the wireless connection related information.
Optionally, broadcasting a bluetooth Beacon packet carrying wireless connection related information, including:
splitting different information in the wireless connection information into a plurality of parts;
and broadcasting the part information through corresponding Bluetooth Beacon data packets, wherein each Bluetooth Beacon data packet comprises the total number of parts, part numbers and special identification information.
In a specific implementation process, for the case of splitting the wireless connection information into a plurality of parts and sending the parts separately, as shown in fig. 3, the device connection method specifically includes:
s201, receiving a Bluetooth Beacon data packet carrying wireless connection information, which is broadcasted by a first device, wherein the wireless connection information comprises device information, wireless connection setting information and special identification information of the first device; the special identification information is used for indicating that the Beacon data packet is a data packet carrying wireless connection information;
S202, extracting the wireless connection information from the Bluetooth Beacon data packet according to the special identification information;
s2031, inquiring whether a record of the corresponding first device exists in a locally stored connectable device list according to the extracted wireless connection information;
if the judgment result in the step S2031 is no, S2032 is performed to add the extracted wireless connection information to the connectable device list;
if the judgment result of the step S2301 is yes or the step S2032, S2033 is completed, judging whether the record is complete;
if the judgment result in the step S2303 is no, S2034 judges whether the record contains the wireless connection information carried in the bluetooth Beacon packet;
if the result of the step S2304 is no, S2035, adding the wireless connection information to the record of the first device;
if the result of the step S2304 is yes or the step S2035 is completed, returning to the step S201;
if the judgment result in the step S2033 is yes, S2036, displaying the connectable device list including the first device record;
s2037, in response to an instruction to connect with the first device, sending a request for establishing a wireless communication connection to the first device according to the wireless connection information, so as to establish a wireless communication connection with the first device.
Optionally, the total number of parts, the part number, is located in one byte after the byte occupied by the device type.
Optionally, the device information includes:
a media access control address MAC and a device name of the first device;
or the media access control address MAC, the device name, and device name flag information, where the device name flag information is used to indicate whether the device name in the Beacon packet is complete.
In the implementation process, if the device name flag information indicates that the device name is incomplete, the second device displays a name incomplete prompt at the same time when displaying the device name. In a specific embodiment, the second device adds an ellipsis behind the incomplete device name.
Optionally, the MAC is located in bytes 2 to 7 of the security UUID field;
the device name is located from the 8 th byte of the Proximity UUID field to the 2 nd byte of the Minor field;
the device name tag information is located in 1 byte after the byte occupied by the device type.
Optionally, the wireless connection setting information includes:
An internet protocol address IP, an internet protocol address IP protocol format flag, and a wireless connection name of the first device;
or the internet protocol address IP, the internet protocol address IP protocol format flag, the wireless connection name and the wireless connection name flag information, where the wireless connection name flag information is used to indicate whether the wireless connection name in the Beacon data packet is complete.
In the implementation process, if the wireless connection name flag information indicates that the wireless connection name is incomplete, the second device displays a name incomplete prompt at the same time when displaying the wireless connection name. In a specific embodiment, the second device adds an ellipsis behind the incomplete wireless connection name.
Optionally, the internet protocol address IP is located in 6 bytes from the 2 nd byte to the 7 th byte of the security UUID field;
the IP format mark is positioned in 1 byte after the byte occupied by the equipment type;
the wireless connection name is positioned from the 8 th byte of the Proximity UUID field to the second byte of the Minor field;
the wireless connection name flag information is located in 1 byte after the byte occupied by the device type.
Based on the same inventive concept, the embodiment of the present invention further provides a device connection apparatus based on bluetooth Beacon protocol, which is applied to the first device, as shown in fig. 4, and includes:
a broadcasting module M101, configured to broadcast a bluetooth Beacon packet carrying wireless connection information, where the wireless connection information includes device information of the first device, wireless connection setting information, and private identifier information, where the private identifier information is used to indicate that the Beacon packet is a packet carrying wireless connection information;
a request receiving module M102, configured to receive a request sent by the second device based on the Beacon packet to establish a wireless communication connection;
and the wireless connection module M103 is used for establishing corresponding wireless communication connection with the second equipment according to the request.
Optionally, the wireless connection information further includes:
a device type of the first device;
and/or data packet version information, which is used for indicating the version of the Bluetooth Beacon data packet;
and/or an internet connection status flag.
Optionally, the wireless connection information is located in a set number of bytes between an Ibeacon Prefix field and a TX Power field of the Beacon packet.
Optionally, the device type is located at a starting position of the wireless connection information;
the Internet connection state mark is positioned in a byte after the byte occupied by the equipment type;
the data packet version information is located in the 1 st byte of the security UUID field;
the private identification information is located in a specified number of bytes at an end position of the wireless connection related information.
Optionally, broadcasting a bluetooth Beacon packet carrying wireless connection related information, including:
splitting different information in the wireless connection information into a plurality of parts;
and broadcasting the part information through corresponding Bluetooth Beacon data packets, wherein each Bluetooth Beacon data packet comprises the total number of parts, part numbers and special identification information.
Optionally, the total number of parts, the part number, is located in one byte after the byte occupied by the device type.
Optionally, the device information includes:
a media access control address MAC and a device name of the first device;
or the media access control address MAC, the device name, and device name flag information, where the device name flag information is used to indicate whether the device name in the Beacon packet is complete.
Optionally, the MAC is located in bytes 2 to 7 of the security UUID field;
the device name is located from the 8 th byte of the Proximity UUID field to the 2 nd byte of the Minor field;
the device name tag information is located in 1 byte after the byte occupied by the device type.
Optionally, the wireless connection setting information includes:
an internet protocol address IP, an internet protocol address IP protocol format flag, and a wireless connection name of the first device;
or the internet protocol address IP, the internet protocol address IP protocol format flag, the wireless connection name and the wireless connection name flag information, where the wireless connection name flag information is used to indicate whether the wireless connection name in the Beacon data packet is complete.
Optionally, the internet protocol address IP is located in 6 bytes from the 2 nd byte to the 7 th byte of the security UUID field;
the IP format mark is positioned in 1 byte after the byte occupied by the equipment type;
the wireless connection name is positioned from the 8 th byte of the Proximity UUID field to the second byte of the Minor field;
The wireless connection name flag information is located in 1 byte after the byte occupied by the device type.
Correspondingly, the embodiment of the invention also provides a device connection device based on the Bluetooth Beacon protocol, which is applied to the second device, as shown in fig. 5, and comprises:
a broadcast receiving module M201, configured to receive a bluetooth Beacon packet carrying wireless connection information broadcast by a first device, where the wireless connection information includes device information of the first device, wireless connection setting information, and proprietary identification information; the special identification information is used for indicating that the Beacon data packet is a data packet carrying wireless connection information;
the information extraction module M202 is configured to extract the wireless connection information from the bluetooth Beacon packet according to the private identification information;
and the wireless connection module M203 is configured to send a request for establishing a wireless communication connection to the first device by using the wireless connection information, so as to establish a wireless communication connection with the first device.
Optionally, sending a request for establishing a wireless communication connection to the first device using the wireless connection information includes:
Inquiring whether the record of the first equipment exists in a locally stored connectable equipment list, and adding the record into the connectable equipment list if the record does not exist;
displaying the connectable device list including the first device record;
and responding to an instruction for connecting with the first equipment, and sending a request for establishing wireless communication connection to the first equipment according to the equipment information and the wireless connection setting information.
Optionally, the wireless connection information further includes:
a device type of the first device;
and/or data packet version information, which is used for indicating the version of the Bluetooth Beacon data packet;
and/or an internet connection status flag.
Optionally, the wireless connection information is located in a set number of bytes between an Ibeacon Prefix field and a TX Power field of the Beacon packet.
Optionally, the device type is located at a starting position of the wireless connection information;
the Internet connection state mark is positioned in a byte after the byte occupied by the equipment type;
the data packet version information is located in the 1 st byte of the security UUID field;
the private identification information is located in a specified number of bytes at an end position of the wireless connection related information.
Optionally, broadcasting a bluetooth Beacon packet carrying wireless connection related information, including:
splitting different information in the wireless connection information into a plurality of parts;
and broadcasting the part information through corresponding Bluetooth Beacon data packets, wherein each Bluetooth Beacon data packet comprises the total number of parts, part numbers and special identification information.
Optionally, the total number of parts, the part number, is located in one byte after the byte occupied by the device type.
Optionally, the device information includes:
a media access control address MAC and a device name of the first device;
or the media access control address MAC, the device name, and device name flag information, where the device name flag information is used to indicate whether the device name in the Beacon packet is complete.
Optionally, the MAC is located in bytes 2 to 7 of the security UUID field;
the device name is located from the 8 th byte of the Proximity UUID field to the 2 nd byte of the Minor field;
the device name tag information is located in 1 byte after the byte occupied by the device type.
Optionally, the wireless connection setting information includes:
an internet protocol address IP, an internet protocol address IP protocol format flag, and a wireless connection name of the first device;
or the internet protocol address IP, the internet protocol address IP protocol format flag, the wireless connection name and the wireless connection name flag information, where the wireless connection name flag information is used to indicate whether the wireless connection name in the Beacon data packet is complete.
Optionally, the internet protocol address IP is located in 6 bytes from the 2 nd byte to the 7 th byte of the security UUID field;
the IP format mark is positioned in 1 byte after the byte occupied by the equipment type;
the wireless connection name is positioned from the 8 th byte of the Proximity UUID field to the second byte of the Minor field;
the wireless connection name flag information is located in 1 byte after the byte occupied by the device type.
Based on the same inventive concept, an embodiment of the present invention further provides an electronic device, as shown in fig. 6, including: a processor 110 and a memory 120 for storing instructions executable by the processor 110;
Wherein the processor 110 is configured to execute the instructions to implement the device connection method applied to the first device or to implement the device connection method applied to the second device.
In particular implementations, the devices may vary considerably in configuration or performance, and may include one or more processors 110 and memory 120, one or more storage media 130, the memory 120 and/or the storage media 130 storing (not shown in FIG. 6) one or more operating systems 11, data 12, and applications 13. The operating system 11 may be, for example, windows, mac OS, linux, IOS, android, unix, freeBSD, or the like. Wherein memory 120 and storage medium 130 may be transitory or persistent storage. The application 13 stored in the memory 120 and/or the storage medium 130 may comprise one or more of the modules (not shown in fig. 6), each of which may comprise a series of instruction operations in the device connection apparatus. Still further, the processor 110 may be configured to communicate with a storage medium 130, and execute a series of instruction operations in the storage medium 130 on the device. The device may also include one or more power sources (not shown in fig. 6); one or more transceivers 140, the transceivers 140 including a wired or wireless network interface 141, one or more input-output interfaces 142.
Based on the same inventive concept, the embodiments of the present invention also provide a computer storage medium storing a computer program for implementing the device connection method applied to the first device or the device connection method applied to the second device.
According to the device connection method based on the Bluetooth Beacon protocol, the first device uses the Bluetooth Beacon data packet to carry wireless connection information for broadcasting, and the second device acquires corresponding information according to the received Bluetooth Beacon data packet so as to establish connection. When the first device does not establish wireless communication connection with the second device, wireless connection information can be transmitted to the second device through broadcasting of Bluetooth Beacon packets, and the process of establishing wireless communication connection between the two devices is greatly simplified.
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 an entirely hardware embodiment, an entirely 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, disk storage, CD-ROM, 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 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.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (9)
1. A device connection method based on bluetooth Beacon protocol, applied to a first device, comprising:
broadcasting a Bluetooth Beacon data packet carrying wireless connection information, wherein the wireless connection information comprises equipment information of the first equipment, wireless connection setting information and special identification information, and the special identification information is used for indicating that the Beacon data packet is a data packet carrying the wireless connection information; the wireless connection information is positioned in a set number of bytes between an Ibeacon Prefix field and a TX Power field of the Beacon data packet;
Receiving a request for establishing wireless communication connection sent by second equipment based on the Beacon data packet;
and establishing corresponding wireless communication connection with the second equipment according to the request.
2. The device connection method of claim 1, wherein the wireless connection information further comprises:
a device type of the first device;
and/or data packet version information, which is used for indicating the version of the Bluetooth Beacon data packet;
and/or an internet connection status flag.
3. The device connection method of claim 2, wherein the device type is located at a start position of the wireless connection information;
the Internet connection state mark is positioned in a byte after the byte occupied by the equipment type;
the data packet version information is located in the 1 st byte of the security UUID field;
the private identification information is located in a specified number of bytes at an end position of the wireless connection related information.
4. The device connection method according to claim 1 or 2, wherein broadcasting a bluetooth Beacon packet carrying wireless connection related information, comprises:
splitting different information in the wireless connection information into a plurality of parts;
And broadcasting the part information through corresponding Bluetooth Beacon data packets, wherein each Bluetooth Beacon data packet comprises the total number of parts, part numbers and special identification information.
5. The device connection method according to claim 1 or 2, wherein the device information includes:
a media access control address MAC and a device name of the first device;
or the media access control address MAC, the device name, and device name flag information, where the device name flag information is used to indicate whether the device name in the Beacon packet is complete.
6. The device connection method according to claim 1 or 2, wherein the wireless connection setting information includes:
an internet protocol address IP, an internet protocol address IP protocol format flag, and a wireless connection name of the first device;
or the internet protocol address IP, the internet protocol address IP protocol format flag, the wireless connection name and the wireless connection name flag information, where the wireless connection name flag information is used to indicate whether the wireless connection name in the Beacon data packet is complete.
7. A device connection method based on bluetooth Beacon protocol, applied to a second device, comprising:
receiving a Bluetooth Beacon data packet which is broadcasted by a first device and carries wireless connection information, wherein the wireless connection information comprises device information, wireless connection setting information and special identification information of the first device; the special identification information is used for indicating that the Beacon data packet is a data packet carrying wireless connection information; the wireless connection information is positioned in a set number of bytes between an Ibeacon Prefix field and a TX Power field of the Beacon data packet;
extracting the wireless connection information from the Bluetooth Beacon data packet according to the special identification information;
and sending a request for establishing wireless communication connection to the first device by utilizing the wireless connection information so as to establish wireless communication connection with the first device.
8. A device connection apparatus based on bluetooth Beacon protocol, applied to a first device, comprising:
the broadcasting module is used for broadcasting a Bluetooth Beacon data packet carrying wireless connection information, wherein the wireless connection information comprises equipment information of the first equipment, wireless connection setting information and special identification information, and the special identification information is used for indicating that the Beacon data packet is a data packet carrying the wireless connection information; the wireless connection information is positioned in a set number of bytes between an Ibeacon Prefix field and a TX Power field of the Beacon data packet;
A request receiving module, configured to receive a request sent by a second device based on the Beacon data packet to establish a wireless communication connection;
and the wireless connection module is used for establishing corresponding wireless communication connection with the second equipment according to the request.
9. A device connection apparatus based on bluetooth Beacon protocol, applied to a second device, comprising:
the device comprises a broadcast receiving module, a wireless connection module and a wireless connection module, wherein the broadcast receiving module is used for receiving a Bluetooth Beacon data packet which is broadcasted by a first device and carries wireless connection information, and the wireless connection information comprises device information, wireless connection setting information and special identification information of the first device; the special identification information is used for indicating that the Beacon data packet is a data packet carrying wireless connection information; the wireless connection information is positioned in a set number of bytes between an Ibeacon Prefix field and a TX Power field of the Beacon data packet;
the information extraction module is used for extracting the wireless connection information from the Bluetooth Beacon data packet according to the special identification information;
and the wireless connection module is used for sending a request for establishing wireless communication connection to the first equipment by utilizing the wireless connection information so as to establish wireless communication connection with the first equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157581.XA CN112929862B (en) | 2021-02-04 | 2021-02-04 | Bluetooth Beacon protocol-based device connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157581.XA CN112929862B (en) | 2021-02-04 | 2021-02-04 | Bluetooth Beacon protocol-based device connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112929862A CN112929862A (en) | 2021-06-08 |
| CN112929862B true CN112929862B (en) | 2023-04-25 |
Family
ID=76170554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110157581.XA Active CN112929862B (en) | 2021-02-04 | 2021-02-04 | Bluetooth Beacon protocol-based device connection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112929862B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918237A (en) * | 2014-03-13 | 2015-09-16 | 阿里巴巴集团控股有限公司 | Method of establishing wireless communication connection, communication master equipment, communication slave equipment, server and system |
| CN105376708A (en) * | 2015-10-09 | 2016-03-02 | 广东欧珀移动通信有限公司 | A connecting method and system allowing a Bluetooth apparatus to select a target apparatus |
| CN107567009A (en) * | 2017-09-28 | 2018-01-09 | 北京地平线机器人技术研发有限公司 | Bluetooth equipment shares request and control method and electronic equipment |
| CN107864469A (en) * | 2017-10-31 | 2018-03-30 | 青岛海信电器股份有限公司 | Wireless connection method and equipment |
| CN108206997A (en) * | 2017-12-15 | 2018-06-26 | 中兴通讯股份有限公司 | Bluetooth connecting method and device |
| US10306740B1 (en) * | 2018-06-11 | 2019-05-28 | Bitsysoft Technology Inc. | Apparatus, systems, and methods for remotely dimming lights |
| CN109981426A (en) * | 2019-03-26 | 2019-07-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Intelligent appliance equipment, Intelligent control equipment and Bluetooth pairing system and method |
| CN110621055A (en) * | 2018-06-19 | 2019-12-27 | 中移（杭州）信息技术有限公司 | Network distribution method, device, terminal, equipment, storage medium and system |
| CN110868748A (en) * | 2019-11-06 | 2020-03-06 | 北京小米移动软件有限公司 | Intelligent equipment network access method, device, equipment, system and medium |
| CN111510919A (en) * | 2019-01-31 | 2020-08-07 | 阿里巴巴集团控股有限公司 | Network configuration method, device, equipment and system |
| CN111970676A (en) * | 2019-05-20 | 2020-11-20 | 北京小米移动软件有限公司 | WiFi hotspot access method, device, equipment and storage medium |
| CN112188488A (en) * | 2020-09-16 | 2021-01-05 | 珠海格力电器股份有限公司 | Network distribution method, device and system |
| CN112237031A (en) * | 2018-12-29 | 2021-01-15 | 华为技术有限公司 | Method for accessing intelligent household equipment to network and related equipment |
-
2021
- 2021-02-04 CN CN202110157581.XA patent/CN112929862B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918237A (en) * | 2014-03-13 | 2015-09-16 | 阿里巴巴集团控股有限公司 | Method of establishing wireless communication connection, communication master equipment, communication slave equipment, server and system |
| CN105376708A (en) * | 2015-10-09 | 2016-03-02 | 广东欧珀移动通信有限公司 | A connecting method and system allowing a Bluetooth apparatus to select a target apparatus |
| CN107567009A (en) * | 2017-09-28 | 2018-01-09 | 北京地平线机器人技术研发有限公司 | Bluetooth equipment shares request and control method and electronic equipment |
| CN107864469A (en) * | 2017-10-31 | 2018-03-30 | 青岛海信电器股份有限公司 | Wireless connection method and equipment |
| CN108206997A (en) * | 2017-12-15 | 2018-06-26 | 中兴通讯股份有限公司 | Bluetooth connecting method and device |
| US10306740B1 (en) * | 2018-06-11 | 2019-05-28 | Bitsysoft Technology Inc. | Apparatus, systems, and methods for remotely dimming lights |
| CN110621055A (en) * | 2018-06-19 | 2019-12-27 | 中移（杭州）信息技术有限公司 | Network distribution method, device, terminal, equipment, storage medium and system |
| CN112237031A (en) * | 2018-12-29 | 2021-01-15 | 华为技术有限公司 | Method for accessing intelligent household equipment to network and related equipment |
| CN111510919A (en) * | 2019-01-31 | 2020-08-07 | 阿里巴巴集团控股有限公司 | Network configuration method, device, equipment and system |
| CN109981426A (en) * | 2019-03-26 | 2019-07-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Intelligent appliance equipment, Intelligent control equipment and Bluetooth pairing system and method |
| CN111970676A (en) * | 2019-05-20 | 2020-11-20 | 北京小米移动软件有限公司 | WiFi hotspot access method, device, equipment and storage medium |
| CN110868748A (en) * | 2019-11-06 | 2020-03-06 | 北京小米移动软件有限公司 | Intelligent equipment network access method, device, equipment, system and medium |
| CN112188488A (en) * | 2020-09-16 | 2021-01-05 | 珠海格力电器股份有限公司 | Network distribution method, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112929862A (en) | 2021-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9286249B2 (en) | USB device communication method, device and system wherein a human interface device (HID) descriptor and report are added to a driver of USB device | |
| CN102932954B (en) | Mobile radio communication apparatus and manage the method for connection status of this equipment | |
| US11310727B2 (en) | Methods, devices and media for obtaining and for providing access information of wireless access points | |
| EP3442250B1 (en) | Data transmission | |
| CN112686358A (en) | Data transmission method, NFC electronic tag, terminal device and storage medium | |
| CN111786869B (en) | Data transmission method between servers and server | |
| CN111818098B (en) | Message editing method and device and computer readable storage medium | |
| CN107368334B (en) | Business plug-in interaction system and method | |
| CN111786868B (en) | Data transmission method between servers and strongswan server | |
| CN108495291A (en) | A kind of Bluetooth connecting method and device | |
| WO2018076922A1 (en) | System and method for enabling mobile terminal of single imsi multiple msisdn to be concurrently online | |
| CN105049546A (en) | Client terminal IP address allocation method through DHCP server and device thereof | |
| CN105376636A (en) | A verification code filling-in method, a verification code filling-in assisting method, an intelligent television set and an intelligent mobile terminal | |
| CN112929862B (en) | Bluetooth Beacon protocol-based device connection method | |
| CN107666664B (en) | Method, device, equipment and storage medium for machine-card binding | |
| CN109933712A (en) | A kind of extracting method and system of message data | |
| CN108881124B (en) | Method, system, storage medium and device for realizing high-performance communication between modules | |
| CN111722938A (en) | AT instruction processing method, AT instruction processing device, computer equipment and storage medium | |
| CN108174378B (en) | Number identification method, device, terminal and storage medium | |
| CN111786870B (en) | Data transmission method and strongswan server | |
| CN111510910A (en) | Communication module frequency band setting method and device, computer equipment and storage medium | |
| CN108614844B (en) | Multimedia file generation method and device | |
| CN101908982A (en) | Detection method, device and system of VLAN (Virtual Local Area Network) | |
| CN111162914B (en) | IPv4 identity authentication method and system of Internet of things based on PUF | |
| CN108616856A (en) | A kind of communication means, intelligence module and the storage medium of intelligence module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |