CN109951832A - Method for carrying out starting configuration in bluetooth Mesh network - Google Patents
Method for carrying out starting configuration in bluetooth Mesh network Download PDFInfo
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Abstract
The present invention provides a kind of methods for carrying out starting configuration in bluetooth Mesh network, this method comprises: starting configuration equipment sends starting configuration data packet to distribution net equipment, the starting configuration data packet has corresponding matching link value, which indicates starting configuration equipment and should configure linking relationship to the starting between distribution net equipment；When distribution net equipment when receiving starting configuration data packet, ACK packet is sent to starting configuration equipment, and will and be stored in memory the matching link value；When starting configuration equipment does not within a specified time receive the ACK packet, starting configuration equipment retransmits starting configuration data packet to distribution net equipment；When receiving the starting configuration data packet of the retransmission when distribution net equipment, judge whether to carry out deduplication operation to the starting configuration data packet.Method of the invention also ensures the starting configuration smoothly completed to equipment while improving communication efficiency.
Description
Technical field
The present invention relates to bluetooth Mesh networks, configure more particularly, to one kind for starting in bluetooth Mesh network
Equipment and to carried out between distribution net equipment starting configuration method.
Background technique
In the bluetooth Mesh starting configuration process realized based on PB-ADV bearing bed, equipment room (including have been located in bluetooth
Starting in Mesh network configures equipment, and not yet as bluetooth Mesh node to distribution net equipment) pass through common low function
Consumption bluetooth (BLE) broadcast packet is communicated.In the communication process, starting configuration equipment sends starting configuration to distribution net equipment
Data packet (Provisioning PDU), after distribution net equipment receives the starting configuration data packet, to starting configuration equipment hair
Response bag (PDU ACK) out.Conversely, sending starting configuration data packet to starting configuration equipment to distribution net equipment
(Provisioning PDU) can also be issued after starting configuration equipment receives the starting configuration data packet to distribution net equipment
Response bag (PDU ACK).
It is readily appreciated that, if there is hundreds of equipment the networking to be configured such as to need in one large-scale bluetooth Mesh network
When, a large amount of broadcast packet is just had in the air, this is because, on the one hand, the equipment of the networking to be configured such as each can be periodically
The beacon packets to be configured such as sending；On the other hand, as described above, might have large number of equipment starts configuration networking process at the same time,
Therefore there is the data packet of interaction in many starting configuration flows in the air.
As shown in Figure 1, equipment A is during configuring equipment B networking, equipment A and equipment B may only want to receive other side
Data packet, and be not intended to receive data packet (such as the data from equipment such as equipment C, D, E ... of any third party device
Packet).To realize the purpose, in low-power consumption bluetooth agreement when scanning broadcast packet, one mode is " to go rescanning
(Duplicate Scan)".This scanning mode is filtered according to device address, and the data packet comprising identical device address is only
To come up primary, this mode can filter in advance redundancy packet in bottom, but when being used in combination with bluetooth Mesh, it will it generates
Problem.Because the same bluetooth Mesh equipment can send different data packets in different phase, if the data packet of an equipment
Only come up primary, then the data packet of the subsequent transmission of this equipment will be unable to be transmitted to bluetooth Mesh protocol layer.
It is that duplicate removal processing operation is carried out according to Bluetooth broadcast packet content there are also scheme, can at least allows so each
Duplicate packet is only primary to bluetooth Mesh protocol layer-reported, the repeated broadcast packet that node receives is greatly decreased, still, in bluetooth
Mesh starts in configuration process, also leads to problem using this mode and generates.
Specifically, referring to fig. 2, in starting configuration process, equipment A sends starting configuration data packet PDU1 for the first time, by
Losing in the sky in this packet causes equipment B not receive, therefore equipment B will not reply response bag PDU1ACK.Such case
Under, using broadcast packet content duplicate removal processing, there is no problem, because equipment B, which is equivalently employed without, received PDU1, if subsequent
Equipment A retransmit PDU1, PDU1 is still received for the first time for equipment B, low-power consumption bluetooth link layer can also reported data extremely
Bluetooth Mesh protocol layer.
Since equipment A does not receive the ACK of PDU1, PDU1 will be retransmitted second.If equipment B is received at this time
PDU1, it, which will report to PDU1, gives bluetooth Mesh protocol layer, while bluetooth Mesh protocol layer is replied response bag PDU1ACK and given
Equipment A, it is assumed that equipment A receives PDU1ACK, and communication between the two will continue, i.e. equipment A sends PDU2, and equipment B receives PDU2
And PDU2ACK is replied, equipment A has successfully received PDU2ACK；Equipment A sends PDU3, and equipment B receives PDU3 and replys PDU3ACK,
Equipment A has successfully received PDU3ACK to continue to start configuration flow.
It is assumed that equipment A does not receive PDU1ACK at this time, third time is retransmitted into PDU1.In this case, in use
Stating broadcast packet content duplicate removal processing can be problematic.Because equipment B has had received PDU1 packet, PDU1 packet can be cached, and equipment A by
In the PDU1ACK for not receiving equipment B reply, will continue to retransmit PDU1.But equipment B thinks to have received and cached PDU1,
It is received again by PDU1 and will be considered that it is repetitive data packet, therefore it is directly abandoned.The bluetooth Mesh protocol layer of equipment B is because receive
Less than the PDU1 that equipment A is retransmitted, also PDU1ACK would not be replied second, so equipment A can not receive equipment B naturally and return
Multiple PDU1ACK will send always PDU1, until reaching repeating transmission overtime (Timeout) starting configuration flow be terminated.
In this case, broadcast packet content duplicate removal processing, which will lead to, cannot smoothly complete the configuration of the starting to equipment B.
It should be understood that above-mentioned cited technical problem is only used as example rather than limitation of the present invention, the present invention is simultaneously unlimited
In the technical solution for solving above-mentioned all technical problems simultaneously.Technical solution of the present invention may be embodied as solving it is above-mentioned or other
One or more of technical problem.
Summary of the invention
The purpose of the present invention is to provide a kind of method for carrying out starting configuration in bluetooth Mesh network, thus
When so that equipment directly carrying out starting configuration in bluetooth Mesh network, it can remove redundant data packets and can guarantee that starting is matched simultaneously
The process of setting smoothly completes.
In one aspect of the invention, a kind of method for carrying out starting configuration in bluetooth Mesh network is provided,
This method comprises: (a) starting configuration equipment sends starting configuration data packet to distribution net equipment, which has
Corresponding matching link value, the matching link value indicate starting configuration equipment and should match to the starting between distribution net equipment
Set linking relationship；(b) when distribution net equipment receive starting configuration data packet when, to starting configuration equipment send ACK packet, and by and
The matching link value is stored in memory；(c) when starting configuration equipment does not within a specified time receive the ACK packet,
Starting configuration equipment retransmits starting configuration data packet to distribution net equipment；And it is (d) heavy when receiving this to distribution net equipment
When the starting configuration data packet newly sent, judge whether to the starting configuration data packet carry out deduplication operation, the judgement include: as
The matching link value that the starting configuration data packet of the fruit retransmission has is present in the memory, then does not match to the starting
It sets data packet and carries out deduplication operation, deduplication operation otherwise is carried out to the starting configuration data packet.
Preferably, when starting configuration equipment, which configures the starting when distribution net equipment, to be completed, from the memory
Delete the matching link value.
Preferably, which is Link ID.
Preferably, which is the MAC Address of starting configuration equipment.
Preferably, which is the deduplication operation executed in bluetooth Mesh network layer or lower level.
In another aspect of this invention, a kind of method for carrying out starting configuration in bluetooth Mesh network, packet are provided
It includes: (a) sending starting configuration data packet to starting configuration equipment to distribution net equipment, which has corresponding
Matching link value, the matching link value indicate the starting configuration equipment and should between distribution net equipment starting configuration link pass
It is that the matching link value configures equipment from the starting and stores in memory when distribution net equipment initiates starting configuration to this；(b)
Starting configuration equipment sends ACK packet when receiving starting configuration data packet, to distribution net equipment；(c) referring to when to distribution net equipment
When not receiving the ACK packet in fixing time, starting configuration data packet is retransmitted to starting configuration equipment to distribution net equipment；(d)
When starting configuration equipment receive the starting configuration data packet of the retransmission when, judge whether to the starting configuration data packet into
Row deduplication operation, if the matching link value that the starting configuration data packet that the judgement includes: the retransmission has is present in institute
It states in memory, then deduplication operation is not carried out to the starting configuration data packet, duplicate removal otherwise is carried out to the starting configuration data packet
Operation.
Similar to the first aspect of aforementioned present invention, it is preferable that when starting configuration equipment waits for distribution net equipment to this
When starting configuration is completed, the matching link value is deleted from the memory.Preferably, the matching link value be Link ID or
The MAC Address of starting configuration equipment.And preferably, which gone what bluetooth Mesh network layer or lower level executed
It operates again.
By means of the present invention, equipment can be carried out in bluetooth Mesh network removing redundant digit in starting configuration process
While according to packet, it can also solve to be unable to complete successfully the starting configuration to equipment as caused by the deduplication operation in Bluetooth protocol
The problem of.
Detailed description of the invention
Fig. 1 shows the equipment starting configuration schematic diagram of bluetooth Mesh network in the prior art；
Fig. 2 shows the starting configuration process in bluetooth Mesh network in the prior art between equipment A and equipment B to communicate signal
Figure.
Fig. 3 is the flow diagram of an embodiment of the invention；
Fig. 4 is the flow diagram of another embodiment of the invention；
Fig. 5 is the schematic diagram for carrying out starting configuration to equipment using the present invention in bluetooth Mesh network.
Specific embodiment
Below with reference to attached drawing and specific embodiment, method of the invention is described in detail.It should be understood that attached drawing
Shown and embodiments described just below is merely illustrative, and not as limitation of the present invention.
As shown in figure 3, being first reality of the method for carrying out starting configuration in bluetooth Mesh network of the invention
Apply the flow diagram of mode.
In a step 102, starting configuration equipment sends starting configuration data packet, the starting configuration data to distribution net equipment
Packet has corresponding matching link value, which indicates starting configuration equipment and should be between distribution net equipment
Starting configuration linking relationship.In a particular embodiment, which can be Link ID (link ID), be also possible to open
The MAC Address of dynamic configuration equipment.It should be understood that other that the scope of the present invention is not limited thereto, is equal with Link ID or MAC Address
Means are used equally for indicating starting configuration equipment and should configure linking relationship to the starting between distribution net equipment.For example, Link
ID can be the Link ID according to bluetooth Mesh agreement or proprietary protocol restriction.For another example, the feelings of nonrandom address are used in equipment
Under condition, MAC Address and other addresses can indicate starting configuration equipment and should link to the starting configuration between distribution net equipment
Relationship.
At step 104, when distribution net equipment when receiving starting configuration data packet, ACK packet is sent to starting configuration equipment,
And the matching link value is stored in memory.
In step 106, when starting configuration equipment does not within a specified time receive the ACK packet, starting configuration equipment
Starting configuration data packet is retransmitted to distribution net equipment.
In step 108, when receiving the starting configuration data packet of the retransmission when distribution net equipment, judge whether pair
The starting configuration data packet carries out deduplication operation, if the starting configuration data packet that the judgement includes: the retransmission has
Matching link value is present in the memory, then deduplication operation is not carried out to the starting configuration data packet, otherwise to the starting
Configuration data packet carries out deduplication operation.The deduplication operation is the deduplication operation executed in bluetooth Mesh network layer or lower level.Make
For non-limiting example, which, which can be, is executed according to low-power consumption bluetooth protocol specification in low-power consumption bluetooth link layer
Rescanning is gone, or is executed according to each layer of the proprietary protocol in bluetooth Mesh network layer, bearing bed or low-power consumption bluetooth protocol stack
Deduplication operation.
In an actual embodiment, it is preferable that when starting configuration equipment, which configures the starting when distribution net equipment, to be completed,
The matching link value is deleted from the memory.
It is provided in second embodiment of the invention to distribution similar to first embodiment of the invention
Equipment sends the situation of starting configuration data packet to starting configuration equipment.Specifically, in conjunction with Fig. 4, this is used in bluetooth Mesh net
Carried out in network starting configuration method the following steps are included:
In step 202, starting configuration data packet, the starting configuration data are sent to starting configuration equipment to distribution net equipment
Packet has corresponding matching link value, which indicates starting configuration equipment and should be between distribution net equipment
Starting configuration linking relationship, the matching link value configure equipment to storage when distribution net equipment initiates starting configuration from the starting
In memory.Similar to above-mentioned first embodiment, which can be Link ID or starting configures equipment
MAC Address.
In step 204, starting configuration equipment sends ACK packet to distribution net equipment when receiving starting configuration data packet.
In step 206, when distribution net equipment does not within a specified time receive the ACK packet, to distribution net equipment to opening
Dynamic configuration equipment retransmits starting configuration data packet.
In a step 208, when starting configuration equipment receives the starting configuration data packet of the retransmission, judge whether
Deduplication operation is carried out to the starting configuration data packet, if the starting configuration data packet that the judgement includes: the retransmission has
Matching link value be present in the memory, then not to the starting configuration data packet carry out deduplication operation, otherwise this is opened
Dynamic configuration data packet carries out deduplication operation.Similar to above-mentioned first embodiment, which is in bluetooth Mesh network
The deduplication operation that layer or lower level execute.
Similarly, when starting configuration equipment, which configures the starting when distribution net equipment, to be completed, from the memory
Delete the matching link value.
Using method of the invention, discard processing can be carried out to the duplicate packages of redundancy, reduce the place of bluetooth Mesh protocol layer
Reason burden, while important data packet can also be handled, in time to keep away for response-retransmission mechanism in starting configuration process
Exempt to start configuration process time-out, to smoothly complete the starting configuration to equipment.
Fig. 5 shows the example for carrying out starting configuration using the present invention.As shown in figure 5, being configured in bluetooth Mesh starting
Cheng Zhong, equipment A are carried out in starting configuration process with two equipment simultaneously, and the matching link value between equipment A and equipment B is used
Link ID1 indicates that the matching link value between equipment A and equipment G is indicated with Link ID4；Matched chain between equipment C and E
Ad valorem indicates that the matching link value between equipment D and F is indicated with Link ID3 with Link ID2.With the application of the invention, working as equipment A
In the starting configuration process of equipment B, G, matching link value Link ID1 and Link ID4 is stored in memory, as a result,
According to the present invention, when receiving aerial starting configuration data packet, if its match link value Link ID be Link ID1 or
Link ID4 (is present in the memory), then will not carry out duplicate removal processing to it (will not check whether and once be cached
The data packet) but it is directly reported to bluetooth Mesh protocol layer, whereas if its Link ID is to be not stored in the memory,
Can then duplicate removal processing be carried out to it.
Also, it in this example, configures, then deletes Link ID1 from memory when equipment A and equipment B terminate starting
It removes；It configures, then deletes Link ID4 from memory when equipment A and equipment G terminate starting.Once and equipment A is set with new
It is standby to start to start configuration flow, then its corresponding matching link value is stored into memory for subsequent judgement.Thus, it is ensured that
While continuing with deduplication operation and carrying out discard processing to the data packet of redundancy to improve communication efficiency, weight is also avoided
The situation that the data packet wanted cannot be handled in time occurs.
Although the various embodiments of various aspects of the present invention have been described for the purpose of this disclosure, should not be construed as
The introduction of the disclosure is limited to these embodiments.Disclosed feature is not limited to the embodiment in a specific embodiment,
But it can be combined with feature disclosed in different embodiments.For example, describing in one embodiment according to the present invention
Method one or more features and/or operation, also can be individually, in combination or integrally using in another embodiment.
Furthermore, it is to be understood that method as described above step can be executed sequentially, be executed parallel, merged into less step, is split as more multistep
Suddenly, by be different from it is described in a manner of combine and/or omit.It will be understood by those skilled in the art that there is also possible more optional realities
Mode and modification are applied, above method step can be made various changes and modifications, without departing from by the claims in the present invention institute
The range of restriction.
Claims (10)
1. a kind of method for carrying out starting configuration in bluetooth Mesh network, which is characterized in that the described method includes:
(a) starting configuration equipment sends starting configuration data packet to distribution net equipment, and it is right with it which has
The matching link value answered, the matching link value indicate starting configuration equipment and should link to the starting configuration between distribution net equipment
Relationship；
(b) when distribution net equipment receive starting configuration data packet when, to starting configuration equipment send ACK packet, and by and should
It is stored in memory with link value；
(c) when starting configuration equipment does not within a specified time receive the ACK packet, starting configuration equipment is to distribution net equipment weight
It is new to send starting configuration data packet；And
(d) when receiving the starting configuration data packet of the retransmission when distribution net equipment, judge whether to configure number to the starting
Deduplication operation is carried out according to packet, which includes:
If the matching link value that the starting configuration data packet of the retransmission has is present in the memory, not to this
Start configuration data packet and carry out deduplication operation, deduplication operation otherwise is carried out to the starting configuration data packet.
2. the method according to claim 1, wherein when starting configuration equipment waits for this starting of distribution net equipment
When configuration is completed, the matching link value is deleted from the memory.
3. the method according to claim 1, wherein the matching link value is Link ID.
4. the method according to claim 1, wherein the matching link value is the MAC Address of starting configuration equipment.
5. the method according to claim 1, wherein the deduplication operation is in bluetooth Mesh network layer or lower
The deduplication operation that layer executes.
6. a kind of method for carrying out starting configuration in bluetooth Mesh network, which is characterized in that the described method includes:
(a) starting configuration data packet is sent to starting configuration equipment to distribution net equipment, it is right with it which has
The matching link value answered, the matching link value indicate starting configuration equipment and should link to the starting configuration between distribution net equipment
Relationship, the matching link value configure equipment from the starting and store in memory when distribution net equipment initiates starting configuration to this；
(b) starting configuration equipment sends ACK packet to distribution net equipment when receiving starting configuration data packet；
(c) when distribution net equipment does not within a specified time receive the ACK packet, equipment is configured again to starting to distribution net equipment
Send starting configuration data packet；
(d) when starting configuration equipment receives the starting configuration data packet of the retransmission, judge whether to configure the starting
Data packet carries out deduplication operation, which includes:
If the matching link value that the starting configuration data packet of the retransmission has is present in the memory, not to this
Start configuration data packet and carry out deduplication operation, deduplication operation otherwise is carried out to the starting configuration data packet.
7. according to the method described in claim 6, it is characterized in that, when starting configuration equipment waits for this starting of distribution net equipment
When configuration is completed, the matching link value is deleted from the memory.
8. according to the method described in claim 6, it is characterized in that, the matching link value is Link ID.
9. according to the method described in claim 6, it is characterized in that, the matching link value is the MAC Address to distribution net equipment.
10. according to the method described in claim 6, it is characterized in that, the deduplication operation is in bluetooth Mesh network layer or more
The deduplication operation that low layer executes.
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| CN201910168950.8A CN109951832B (en) | 2019-03-06 | 2019-03-06 | Method for boot configuration in a bluetooth Mesh network |
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| CN201910168950.8A CN109951832B (en) | 2019-03-06 | 2019-03-06 | Method for boot configuration in a bluetooth Mesh network |
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| CN109951832B (en) | 2022-03-11 |
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