CN109412651A - Bluetooth coverage extension system and method - Google Patents
Bluetooth coverage extension system and method Download PDFInfo
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- CN109412651A CN109412651A CN201811330788.7A CN201811330788A CN109412651A CN 109412651 A CN109412651 A CN 109412651A CN 201811330788 A CN201811330788 A CN 201811330788A CN 109412651 A CN109412651 A CN 109412651A
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Abstract
The invention discloses a kind of bluetooth coverage extension systems, including start node and multiple transit nodes；The start node and the transit node, the Ethernet data for will acquire are parsed using data, and by the data transformation at blue-teeth data, are sent to Bluetooth terminal by bluetooth connection；The start node is also used to the application data being packaged into Ethernet data bag, and is transferred to the transit node；The transit node is also used to be transmitted to remaining described transit node according to the Ethernet data bag.It can carry out data transmission between each transit node, the start node relies on the transmission of data between the multistage transit node, extends bluetooth coverage area.
Description
Technical field
The present invention relates to bluetooth technology with low power consumption field more particularly to a kind of bluetooth coverage extension system and methods.
Background technique
Bluetooth technology is that one of wireless communication technique the most universal is applied in the whole world.The innovation paces of bluetooth never stop
Only, equipment power dissipation has been reduced to a great extent in bluetooth technology with low power consumption, can be achieved with radio operation using the battery of coin-size
And communication, and the several years can be run.Low-power consumption bluetooth has been widely adopted, from mobile phone, plate, PC to mobile unit, to earphone,
Game paddle, sound equipment, TV, then arrive bracelet, electronic scale, intelligent medical instrument (blood glucose meter, digital sphygmomanometer, vim and vigour meter, number
Pulse/heart rate monitor, digital clinical thermometer, ear thermometer, moisture of skin meter etc.), then to fields such as smart homes, all depend on low
Power consumption Bluetooth technology.But due to bluetooth technology with low power consumption power limited, coverage area is also limited, and common distance is on 10 meters of left sides
The right side, this is also at the bottleneck of bluetooth low energy device.Referring to Fig. 1, when the distance of bluetooth equipment and AP (wireless access points)
When bluetooth coverage area beyond AP, the bluetooth range of AP0 can not cover the Bluetooth terminal B on right side as shown in figure 1, AP1's
Bluetooth range can not cover the Bluetooth terminal A in left side.
107027092 A of patent document CN discloses bluetooth extensions system and bluetooth extensions device in 2017.08.08, this is
The composition of system is as follows: gateway apparatus, includes WiFi module, and gateway apparatus by WiFi module and multiple bluetooth extensions devices it
Between establish multiple WiFi connections, multiple bluetooth extensions devices respectively, each bluetooth extensions device includes WiFi module and bluetooth mould
Block, and bluetooth connection is established with multiple blue-tooth devices respectively by the bluetooth module.Referring to fig. 2, its working principle is that, each institute
It states multiple blue-tooth devices and transmits respective Bluetooth information to the multiple bluetooth extensions device, each institute via the bluetooth connection respectively
It states multiple bluetooth extensions devices and the Bluetooth information that each the multiple blue-tooth device is transmitted is received by the bluetooth module of itself
Afterwards, the received Bluetooth information is turned by the WiFi module of itself with corresponding each the multiple WiFi connection respectively
It send to the gateway apparatus, and stores or show that the bluetooth that each the multiple blue-tooth device is transmitted is believed by the gateway apparatus
Breath.
From the composition of system, gateway apparatus plays the role of information taken and transfer, and multiple bluetooth extensions devices need
WIFI is established with gateway apparatus to connect, within the scope of the WIFI that gateway apparatus can cover, bluetooth that gateway apparatus will receive
Information encapsulation is sent to bluetooth extensions device at Ethernet packet, by WIFI connection, and bluetooth extensions device is receiving Ethernet
Bao Hou extracts Bluetooth information, then issues Bluetooth information to blue-tooth device, to realize Bluetooth information via bluetooth module
From the transmission flow of " gateway → bluetooth extensions device → blue-tooth device ".
In implementing the embodiments of the present invention, discovery the prior art can only expand to level-one WIFI range to inventor, from net
Device is closed to bluetooth extensions device, referring to Fig. 3, the limit range of bluetooth extensions is the WIFI between gateway apparatus and bluetooth extensions device
Range+bluetooth extensions device and blue-tooth device bluetooth range.It follows that bluetooth coverage area is still limited, and depend on
The setting of gateway apparatus position.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of bluetooth coverage extension system and method, can more effectively expand
Bluetooth coverage area is opened up, and is not limited by gateway apparatus position.
In a first aspect, the embodiment of the invention provides a kind of bluetooth coverage extension systems, comprising:
Start node and multiple transit nodes；
The start node and the transit node, the Ethernet data for will acquire are parsed using data, and
By the data transformation at blue-teeth data, Bluetooth terminal is sent to by bluetooth connection；
The start node is also used to the application data being packaged into Ethernet data bag, and is transferred to the transfer
Node；
The transit node is also used to be transmitted to remaining described transit node according to the Ethernet data bag.
The connection of the start node described in the first possible implementation of first aspect and each transit node
Including any one of wired, wireless and PLC.
The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect, respectively
Connection between a transit node includes any one of wired, wireless and PLC.
The possible implementation of with reference to first aspect the first, in the third possible implementation of first aspect, institute
The connection for stating start node and each transit node can select suitable connection type according to current ambient conditions.
The possible implementation of second with reference to first aspect, in the 4th kind of possible implementation of first aspect, respectively
Connection between a transit node can select suitable connection type according to current ambient conditions.
In the 5th kind of possible implementation of first aspect, in the start node exception, each middle trochanter
Point selects the node for substituting the start node by bootstrapping, using as new start node.
In the 6th kind of possible implementation of first aspect, the start node include ethernet data acceptance module,
Ethernet data sending module and bluetooth module；
The ethernet data acceptance module, the Ethernet data for will acquire are parsed using data, so that
The application data are converted to blue-teeth data and are transferred to the bluetooth module or the application process by application process will be described
The Ethernet data sending module is sent to using data；
The Ethernet data sending module, for the application data received to be packaged into Ethernet data bag,
To be transferred to the transit node.
The 6th kind of possible implementation with reference to first aspect, in the 7th kind of possible implementation of first aspect, institute
Stating transit node includes receiving module, sending module and the bluetooth module；
The receiving module, for IP layer data will to be parsed after the Ethernet data bag received, so that answering
With process according to the destination IP in the IP layer data, the IP layer data is transferred to the sending module, or by the IP
Layer data parses described using data, and the application data is converted to the blue-teeth data and are sent to the bluetooth mould
Block；
The sending module, for the IP layer data to be sent to the corresponding middle trochanter according to the destination IP
Point；
The bluetooth module, for the blue-teeth data to be sent to the Bluetooth terminal.
The 7th kind of possible implementation with reference to first aspect, in the 8th kind of possible implementation of first aspect, institute
Bluetooth module is stated, the reply blue-teeth data for the Bluetooth terminal for being also used to receive is sent to the application process, so that
The application process is obtained the reply blue-teeth data is converted to reply using data and is transferred to the sending module；
The sending module is also used to described reply being packaged into reply Ethernet data using data, by the reply
Ethernet data is sent to corresponding node.
Second aspect, the embodiment of the invention provides a kind of bluetooth coverage extension methods, comprising:
Start node is parsed according to the Ethernet data got using data, by the data transformation at bluetooth
Data are sent to Bluetooth terminal by bluetooth connection, and the application data are packaged into Ethernet data bag, are transferred to transfer
Node；
The transit node is transmitted to remaining described transit node according to the Ethernet data bag, or will acquire with
Too network data is parsed using data, and by the data transformation at blue-teeth data, is sent to bluetooth by bluetooth connection
Terminal.
Compared with prior art, implement the embodiment of the present invention and have the following beneficial effects: bluetooth covering disclosed by the invention
Range expansion system includes: start node and multiple transit nodes；The start node and the transit node, for will acquire
To Ethernet data parse using data, and the data transformation is sent at blue-teeth data by bluetooth connection
To Bluetooth terminal；The start node is also used to the application data being packaged into Ethernet data bag, and is transferred in described
Trochanterion；The transit node is also used to be transmitted to remaining described transit node according to the Ethernet data bag.It is described first
The Ethernet data that beginning node and the transit node can will acquire is converted into blue-teeth data, and is sent out by bluetooth connection
Bluetooth terminal is given, blue-teeth data treatment effeciency is improved.And the start node can be counted by the transit node
It can carry out data transmission according to transmission, and between each transit node, the start node relies on the multistage transfer
The communication with Bluetooth terminal is completed in the transmission of data between node, then the spreading range critical distance of bluetooth equipment becomes: bluetooth
Connection series between extended limit distance=node is (between the connection of start node and transit node, each transit node
Connection) × node data transmission coverage distance+node bluetooth coverage distance, level-one wireless extensions compared with the existing technology,
Bluetooth coverage area can be more effectively extended, and is not limited by the setting of gateway apparatus position, is expanded in the bluetooth coverage area
Node in exhibition system can send data to Bluetooth terminal.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is that existing there are the insufficient schematic diagrames of bluetooth coverage area；
Fig. 2 is existing bluetooth coverage extension System Working Principle schematic diagram；
Fig. 3 is the schematic diagram of existing bluetooth coverage extension range；
Fig. 4 is a kind of structural schematic diagram for bluetooth coverage extension system that the embodiment of the present invention one provides；
Fig. 5 is the schematic diagram for the bluetooth coverage extension system chain networking that the embodiment of the present invention one provides
Fig. 6 is the bluetooth coverage extension System Working Principle schematic diagram that the embodiment of the present invention one provides；
Fig. 7 is the schematic diagram for the bluetooth coverage extension system node connection type that the embodiment of the present invention one provides；
Fig. 8 is a kind of bluetooth coverage extension System Working Principle schematic diagram that the embodiment of the present invention one provides；
Fig. 9 is the schematic diagram of data encapsulation and parsing that the embodiment of the present invention one provides；
Figure 10 is a kind of bluetooth coverage extension System Working Principle schematic diagram that the embodiment of the present invention one provides；
Figure 11 is a kind of flow diagram of bluetooth coverage extension method provided by Embodiment 2 of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one,
Referring to fig. 4, the embodiment of the invention provides a kind of bluetooth coverage extension systems, comprising:
Start node 01 and multiple transit nodes 02；
The start node 01 and the transit node 02, the Ethernet data for will acquire are parsed using number
According to, and by the data transformation at blue-teeth data, Bluetooth terminal 03 is sent to by bluetooth connection；
The start node 01 is also used to the application data being packaged into Ethernet data bag, and is transferred in described
Trochanterion 02；
The transit node 02 is also used to be transmitted to remaining described transit node 02 according to the Ethernet data bag.
It should be noted that in embodiments of the present invention, the node in the bluetooth coverage extension system, including institute
Start node 01 and the transit node 02 are stated, can be communicated between each node, it can be by directly establishing network connection
It is communicated, indirect communication can also be carried out by transfer.
It should be noted that in embodiments of the present invention, the node can be that (movement such as mobile phone is set using wireless device
The wireless devices such as standby and laptop) user enters the access point of network, it is also possible to the equipment using wired or PLC connection
Into the access point of network.In embodiments of the present invention, node when practical networking in the bluetooth coverage extension system
It is not limited to quantity shown in figure, and the Bluetooth terminal 03 of each node access is also not limited to the quantity of diagram.Practical networking
Form is more, including tree-shaped, chain and netted etc., the tree-shaped form of Fig. 4 is not limited to, referring to the chain form of Fig. 5, the present invention couple
This is not especially limited.
The bluetooth range that the bluetooth range of AP0 shown in Fig. 1 cannot cover the Bluetooth terminal B, AP1 on right side cannot
Cover the Bluetooth terminal A in left side.Referring to Fig. 6, in embodiments of the present invention, the AP0, that is, start node 01 is being acquired
After the blue-teeth data of Bluetooth terminal A, the blue-teeth data received is packaged into Ethernet data, according to the Ethernet acquired
Data are transferred to the transit node AP1, and the Ethernet data that the transit node AP1 will acquire is parsed using data,
And by the data transformation at blue-teeth data, Bluetooth terminal B is sent to by bluetooth connection.There is also a kind of situation, institutes
Stating Ethernet data is that the start node AP0 itself issues broadcast message, and the broadcast message is transmitted by bluetooth connection
Bluetooth terminal A is given, and the broadcast message is packaged into Ethernet data, institute is transferred to according to the Ethernet data acquired
Transit node AP1 is stated, the Ethernet data that the AP1 will acquire is parsed using data, and by the data transformation
At blue-teeth data, Bluetooth terminal B is sent to by bluetooth connection.The application of the embodiment of the present invention is not limited to above two.
In embodiments of the present invention, the start node 01 is also used to the application data being packaged into Ethernet data
Packet, and it is transferred to the transit node 02 connecting with the start node 01；The transit node 02, is also used to according to
Ethernet data bag is transmitted to remaining the described transit node 02 for having connection with it, and then the start node 01 can be described
It is transferred to each node in the bluetooth coverage extension system using data, then Bluetooth terminal 03 moves in the system
When dynamic, the Bluetooth terminal 03 from the bluetooth coverage area of original associated node, cover by the bluetooth for entering another node
Lid range, because the Bluetooth address of the Bluetooth terminal 03 is still identical, then still controllable, each node can send the bluetooth and disappear
Breath, so the Bluetooth terminal 03 remains to messaging in systems, works well, without being filled by gateway in the prior art
The setting of seated position limits, and information not available, because gateway apparatus is to send information to corresponding bluetooth in the prior art
Expander cannot then receive corresponding information when bluetooth equipment has left the bluetooth coverage area of the bluetooth extensions device.
It should be noted that the node for accessing the bluetooth coverage extension system needs to be logical in physical link first
(such as when wired networking, to have at least cable be connected), next needs identical LAN configuration information.Such as ip same network segment,
Mask is mutually same.Node can communicate with each other each other, it is determined that be access node, can simply pass through ping test.
The start node 01 can safeguard a table, record the information of the node of access, ID including each node (such as MAC
Location) and IP, the IP of the transit node 02 of forwarding can be determined in this way, and then can carry out transfer according to routing table.
In embodiments of the present invention, it is therefore an objective to guarantee that the primary data of the bluetooth coverage extension system will be accessed
The each node being forwarded in system, the primary data can be the data of the start node 01 itself sending, can also be with
The data that the start node 01 receives.It is according to the routing table and the ether in 02 transfer of transit node
Destination IP in network data is forwarded to corresponding node, and the present invention is not especially limited this.
The start node 01 described in the first possible implementation of first aspect and each transit node 02
Connection is including wired, wireless and PLC is any one or more of.
In embodiments of the present invention, referring to Fig. 7, the start node 01 can pass through nothing with each transit node 02
Wired link 2.4G, Radio Link 5G, wired networking or PLC form communication link, and there are a variety of networking modes to come between node
Data are transmitted, a variety of different environment are adapted to.
The possible implementation of with reference to first aspect the first, in the third possible implementation of first aspect, institute
The connection for stating start node 01 and each transit node 02 can select suitable connection type according to current ambient conditions.
In embodiments of the present invention, different transmission can be used according to different scenes, current network environment situation
Data mode.When air interference is more or there are when radio signal shielding in environment, the bluetooth coverage extension system
In node can forward Ethernet data bag by the way of wire transmission or PLC transmission, it is ensured that data communication is normal；
When the wired connection of the bluetooth coverage extension system or PLC connection disconnect, then the node in system can be attempted to lead to
Wireless networking is crossed, link is then built, is transmitted for data, guarantees the normal work of system.
The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect, respectively
Connection between a transit node 02 includes wired, wireless and PLC any one or more of.
In embodiments of the present invention, such as Fig. 7, each transit node 02 can pass through Radio Link 2.4G, radio chains
Road 5G, wired networking or PLC form communication link, and there are a variety of networking modes between node to transmit data, adapt to more
The different environment of kind.
The possible implementation of second with reference to first aspect, in the 4th kind of possible implementation of first aspect, respectively
Connection between a transit node 02 can select suitable connection type according to current ambient conditions.
In embodiments of the present invention, different transmission can be used according to different scenes, current network environment situation
Data mode.When air interference is more or there are when radio signal shielding in environment, the bluetooth coverage extension system
In node can forward Ethernet data bag by the way of wire transmission or PLC transmission, it is ensured that data communication is normal；
When the wired connection of the bluetooth coverage extension system or PLC connection disconnect, then the node in system can be attempted to lead to
Wireless networking is crossed, link is then built, is transmitted for data, guarantees the normal work of system.
In the 5th kind of possible implementation of first aspect, when the start node 01 is abnormal, each transfer
Node 02 selects the node for substituting the start node 01 by bootstrapping, using as new start node 01.
In embodiments of the present invention, the strong robustness of the bluetooth coverage extension system has processing abnormal conditions
Ability, after start node 01AP0 exception (such as detachment system), others node AP can be generated down by booting in system
One AP0, substitutes the effect of original AP0, to still have a reception external in the bluetooth coverage extension system
The node of data, so that data packet can also be sent to other nodes, it is ensured that system function it is normal.Illustratively, if
AP0 is because abnormal conditions are departing from system, then other AP (such as AP1) can serve as the role of its AP0 automatically, realizes function switch,
It is responsible for receiving and forwards data, to makes system normal operation.And if system is added in AP0 again, AP1 can also be cut again
Role is changed, AP0 is allowed to continue to serve as the role of messaging, system is restored to initial state at this time, and the present invention does not make this to have
Body limits.
It should be noted that each node in the bluetooth coverage extension system can be used as the initial section
Point 01, the start node 01 is exactly the starting end of data in the system, illustratively, when node AP3 wants broadcast data,
When the node into system being needed to send data, then node AP3 will act as the start node 01, pass through trochanter in others
Information 02 is extended transmission by point, is transmitted to the corresponding processing of Bluetooth terminal 03 so that blue-teeth data pass to it is farther
Distance；If node AP4 has acquired the data of external equipment, when needing to be transferred to another terminal, then the node AP4
It is exactly the start node 01, information is extended transmission by other transit nodes 02 by the data received, is transmitted
To the processing of corresponding Bluetooth terminal 03, so that blue-teeth data passes to farther distance.Correspondingly, can be deposited in a system
In multiple start nodes 01, each start node 01 has the transit node 02 of direct or indirect connection.The present invention
This is not especially limited.
In the 6th kind of possible implementation of first aspect, the start node 01 includes ethernet data acceptance module
11, Ethernet data sending module 12 and bluetooth module 13；
The ethernet data acceptance module 11, the Ethernet data for will acquire are parsed using data, so that
Application process is obtained the application data are converted to blue-teeth data and are transferred to the bluetooth module 13 or application process general
The application data are sent to the Ethernet data sending module 12；
The Ethernet data sending module 12, for the application data received to be packaged into Ethernet data
Packet, to be transferred to the transit node 02.
Referring to Fig. 8, the start node 01 is exactly that Ethernet data bag is transmitted to the bluetooth coverage extension system
Entrance, the Ethernet data bag can be the data itself to be broadcasted of start node 01, be also possible to receive outer
The Ethernet data of portion's equipment, the present invention are not especially limited this, and the Ethernet data bag receiving module 21 of AP0 can parse this
Ethernet data removes link layer header, network layer header and transport layer header of data packet etc., extracts application referring to Fig. 9
Layer data, application process (process) processing for the processing bluetooth messages for then specifying application data transmission to upper layer, on this
Layer process judges, if there are other nodes in bluetooth coverage extension system, needs to forward the bluetooth messages
To other node processings, so Ethernet data sending module 12, the ether netting index can be sent by the application data
This is received using data according to sending module 12, can be encapsulated into Ethernet data, be sent the ether network packet into system
Other transit nodes 02.Meanwhile upper layer application process will apply data to be sent to Ethernet data sending module 12
When, also blue-teeth data can be converted using data by this, to be transferred to bluetooth module 13, the bluetooth module 13 receives bluetooth
After data, Bluetooth messages can be sent to Bluetooth terminal 03, the Bluetooth terminal 03 receives blue-teeth data and handles.
In embodiments of the present invention, the primary data received can be converted into blue-teeth data in the start node 01 to pass
When being defeated by the Bluetooth terminal 03, the start node 01 also parses the primary data received using data, is sent to
The Ethernet data sending module 12 so that the Ethernet data sending module 12 by the application data be packaged into
Too network data sends the ether network packet other transit nodes 02 into system, so that other transit nodes 02 are by institute
Primary data is stated to be sent to Bluetooth terminal 03 or be forwarded to other transit nodes 02.The initial data transfer is realized to arrive
Each of bluetooth coverage extension system node, such Bluetooth terminal 03 when moving, can receive data.
It should be noted that the data packet of different links (wire/wireless/PLC) is all by corresponding chip processing, every
The corresponding data packet header of one layer of parsing, obtains data portion, then parses header again, obtain next layer of data portion, most
It can be parsed in layer from Ethernet data bag eventually, obtain and apply data, this is also the ethernet data acceptance module 11
With the inside way of the receiving module 21.Process and the above process of encapsulation encapsulate in layer on the contrary, from application layer data
Header, until being added to physical layer header, that is, the work of the Ethernet data sending module 22 and the sending module 22
Make scope.
It should be noted that have a Message Processing center (claiming here with message_server generation) in application process,
Message_server (application process) can be interpreted using the certain field in data, and corresponding field shows that data packet is intended for
Ble low-power consumption bluetooth process then forwards the data to ble process, and whether after ble process receives, judging in network has other
Transit node 02, if so, then needing this using data forwarding to other transit nodes 02, while will also apply data
It is converted into blue-teeth data, is sent to the bluetooth module 13, Bluetooth terminal 03 is sent to by the bluetooth module 13.Each node
There is an application process message_server, for monitoring the data from external or other nodes, also always on backstage
It monitors, when there is data to be sent to specified node, then the message_server of the node can receive the data, to open
Begin processing data.Request is replied after having handled data.According to the IP layer definition in computer network, each message is needed at IP layers
Header fill in destination IP and source IP, i.e. destination ip and source ip, so AP0 send request when,
The destination ip for sending the IP head of message fills in the IP of final transit node 02, and source ip fills in the AP0's
Then IP is sent, transit node when replying then only needs that the purpose of message will be replied in other wireless devices
IP and source IP exchange, then send, can reply, existing network communication is all based on this, and the present invention is not especially limited this.
The 6th kind of possible implementation with reference to first aspect, in the 7th kind of possible implementation of first aspect, institute
Stating transit node 02 includes receiving module 21, sending module 22 and the bluetooth module 13；
The receiving module 21, for IP layer data will to be parsed after the Ethernet data bag received, so that
Application process is transferred to the sending module 22 according to the destination IP in the IP layer data, by the IP layer data, or by institute
It states IP layer data and parses described using data, and the application data are converted to the blue-teeth data and are sent to the bluetooth
Module 13；
The sending module 22, for the IP layer data to be sent to the corresponding middle trochanter according to the destination IP
Point 02；
The bluetooth module 13, for the blue-teeth data to be sent to the Bluetooth terminal 03.
Such as Fig. 8, the transit node AP1 is being received after the Ethernet data bag that AP0 is sent and AP0 processing
Process is similar, first parses Ethernet data bag by the receiving module 21, as shown in figure 9, being resolved to the IP layers of i.e. described net
When network layers header, it is found that the destination IP of IP layers of the header is not the IP of oneself, then other is forwarded to by routing table determination
The transit node 02；If the destination IP of IP layers of the header is the IP of oneself, by the IP layer data continue into
Journey is parsed to using data, after getting using data, transmits the application program specified using data to upper layer, upper layer
After application process receives data, the application program of AP1 directly will be converted into blue-teeth data using data, be sent to bluetooth module
13.Bluetooth module 13 receives blue-teeth data, sends blue-teeth data to Bluetooth terminal 03, to complete the transmission of data.
In embodiments of the present invention, the transit node 02 determines the header of the data received after being resolved to IP layers
Destination IP is not oneself, will be forwarded the IP layer data, if destination IP is oneself, can parse using number
According to processing is described to apply data, and transfer is IP layer data, and processing is application layer data.Judge whether that forwarding should be by most
It receives the AP0 of Ethernet data bag first to judge, also will give other transit nodes 02 using data forwarding by AP0, other
Then 02 needs of transit node are received to be handled using data, or IP layer data is forwarded.
The 7th kind of possible implementation with reference to first aspect, in the 8th kind of possible implementation of first aspect, institute
Bluetooth module 13 is stated, the reply blue-teeth data for the Bluetooth terminal 03 for being also used to receive is sent to the application process,
So that the reply blue-teeth data is converted to reply using data and is transferred to the sending module 22 by the application process；
The sending module 22 is also used to described reply being packaged into reply Ethernet data using data, described will return
Multiple Ethernet data is sent to corresponding node.
Referring to Figure 10, sketch data from the recovery process with the associated terminal of transit node 02.At Bluetooth terminal 03
After having managed blue-teeth data message, the bluetooth module 13 of transit node AP1 is replied, the bluetooth module 13 receives bluetooth number
According to being sent to upper layer application process, upper layer application process receives the blue-teeth data, is converted into using data, then sends
To the sending module 22, after the sending module 22 receives the application data, it is converted into Ethernet data, is then sent back
Multiple message.After other transit nodes 02 receive the reply message, it is forwarded according to the destination IP in the message, directly
Be sent to the ethernet data acceptance module 11 of start node 01 to data, the ethernet data acceptance module 11 receive with
Too network data is converted into using data, is sent to upper layer procedures, and upper layer procedures are parsed using after data and handling, and then will
Data forwarding will be converted into Ethernet data using data to Ethernet data sending module 12, Ethernet data sending module 12
Packet is sent, and replys the data source most initially received.
Compared with prior art, implement the embodiment of the present invention to have the following beneficial effects:
Firstly, the start node 01, is also used to the application data being packaged into Ethernet data bag, and be transferred to
The transit node 02 that the start node 01 connects, the transit node 02, Ke Yiyou without establishing direct communication connection
The transit node 02 that direct communication is connect is established with the start node 01, is forwarded according to the Ethernet data bag
Give its remaining described transit node 02 for having connection.Then the Ethernet data is forwarded to institute by the start node 01 one by one
Each node in bluetooth coverage extension system is stated, is transferred in Bluetooth terminal 03 from the bluetooth coverage area of some node
When the bluetooth coverage area of other nodes, it can still be communicated with system.And in the prior art, once Bluetooth terminal 03 from
The bluetooth coverage area for having opened associated bluetooth extensions device just loses the position for communicating, and being limited to above-mentioned gateway apparatus with system
The setting set；
Then, in the bluetooth coverage extension system, networking form is changeable, and the coverage area of bluetooth can be allowed to have
There is better adaptability, and in the prior art, the form of the single only similar cluster of networking form, in multistage transmission,
Its spreading range greatly promotes, and the spreading range critical distance that can obtain bluetooth equipment becomes: bluetooth extensions critical distance=node
Between connection series (connection between the connection of start node 01 and transit node 02, each transit node 02) × number of nodes
According to transmission coverage distance+node bluetooth coverage distance.
Secondly, the connection between each node includes wireless, wired and PLC, a variety of networking modes come between each node
Data are transmitted, a variety of different environment is adapted to, different transmission data modes, system can be used according to different scenes
Robustness it is strong；
Finally, the strong robustness of system, there is the ability of processing abnormal conditions, it, can be certainly after 01 exception of start node
New node substitution is enumerated, guarantees the normal work of system.
Embodiment two
Referring to Figure 11, the embodiment of the invention provides a kind of bluetooth coverage extension methods, comprising:
S11, start node are parsed according to the Ethernet data got using data, by the data transformation at
Blue-teeth data is sent to Bluetooth terminal by bluetooth connection, and the application data is packaged into Ethernet data bag, is transferred to
Transit node；
S12, the transit node are transmitted to remaining described transit node according to the Ethernet data bag, or will acquire
Ethernet data parse using data, and the data transformation is sent at blue-teeth data by bluetooth connection
Bluetooth terminal.
In embodiments of the present invention, the start node 01 is also used to the application data being packaged into Ethernet data
Packet, and it is transferred to the transit node 02 connecting with the start node 01；The transit node 02, is also used to according to
Ethernet data bag is transmitted to remaining the described transit node 02 for having connection with it, and then the start node 01 can be described
It is transferred to each node in the bluetooth coverage extension system using data, then Bluetooth terminal 03 moves in the system
When dynamic, the Bluetooth terminal 03 from the bluetooth coverage area of original associated node, cover by the bluetooth for entering another node
Lid range, because the Bluetooth address of the Bluetooth terminal 03 is still identical, then still controllable, each node can send the bluetooth and disappear
Breath, so the Bluetooth terminal 03 remains to messaging in systems, works well, without being filled by gateway in the prior art
The setting of seated position limits, and information not available, because gateway apparatus is the center of information taken and transfer in the prior art,
After setting the position of gateway apparatus, then it can only be led in the range of the wireless and bluetooth of the gateway apparatus covers
Letter, and gateway apparatus is to send information to corresponding bluetooth extensions device, has left the bluetooth extensions device in bluetooth equipment
When bluetooth coverage area, then corresponding information cannot be received.
Implement the present embodiment to have the following beneficial effects:
The Ethernet data that the start node 01 and the transit node 02 can will acquire is converted into bluetooth number
According to, and Bluetooth terminal 03 is sent to by bluetooth connection, improve blue-teeth data treatment effeciency.And the start node 01 can be with
Carried out data transmission by the transit node 02, and can carried out data transmission between each transit node 02, it is described
Start node 01 relies on the transmission of data between the multistage transit node 02, completes the communication with Bluetooth terminal 03, then blue
The spreading range critical distance of tooth equipment becomes: the connection series (start node 01 between bluetooth extensions critical distance=node
The connection between connection, each transit node 02 with transit node 02) × node data transmission coverage distance+node bluetooth
Coverage distance, level-one wireless extensions compared with the existing technology can more effectively extend bluetooth coverage area, and not filled by gateway
The limitation of seated position setting, the node in the bluetooth coverage extension system can send data to Bluetooth terminal
03。
Those skilled in the art will appreciate that the present invention can be implemented as equipment, method or computer program product.
Therefore, the present disclosure may be embodied in the following forms, it may be assumed that can be complete hardware, be also possible to complete software (including
Firmware, resident software, microcode etc.), it can also be the form that hardware and software combines, referred to generally herein as " circuit ", " mould
Block " or " system ".In addition, in some embodiments, the present invention is also implemented as in one or more computer-readable mediums
In computer program product form, include computer-readable program code in the computer-readable medium.
It can be using any combination of one or more computer-readable media.Computer-readable medium can be calculating
Machine readable signal medium or computer readable storage medium.Computer readable storage medium for example can be --- but it is unlimited
In system, device or the device of --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, or any above combination.It calculates
The more specific example (non exhaustive list) of machine readable storage medium storing program for executing includes: electrical connection with one or more conducting wires, just
Taking formula computer disk, hard disk, random access memory (RAM), read-only memory (ROM), erasable type may be programmed read-only storage
Device (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory device,
Or above-mentioned any appropriate combination.In this document, computer readable storage medium can be it is any include or storage journey
The tangible medium of sequence, the program can be commanded execution system, device or device use or in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including --- but
It is not limited to --- electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be
Any computer-readable medium other than computer readable storage medium, which can send, propagate or
Transmission is for by the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In --- wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
Further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.?
Be related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or
Wide area network (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as mentioned using Internet service
It is connected for quotient by internet).
Below with reference to the method for the embodiment of the present invention, the flow chart of equipment (system) and computer program product and/or
The block diagram description present invention.It should be appreciated that each box in each box and flowchart and or block diagram of flowchart and or block diagram
Combination, can be realized by computer program instructions.These computer program instructions can be supplied to general purpose computer, dedicated
The processor of computer or other programmable data processing units, to produce a kind of virtual machine, these computer programs refer to
It enables and being executed by computer or other programmable data processing units, produced in the box in implementation flow chart and/or block diagram
The device of defined function/operation.
These computer program instructions can also be stored in can make computer or other programmable data processing units
In computer-readable medium operate in a specific manner, in this way, the instruction of storage in computer-readable medium just produces one
The manufacture of function/operation command device specified in a box including in implementation flow chart and/or block diagram
(manufacture)。
Computer program instructions can also be loaded into computer, other programmable data processing units or other equipment
On, so that series of operation steps are executed in computer, other programmable data processing units or other equipment, in terms of generating
The process that calculation machine is realized, so that the instruction executed on a computer or other programmable device is capable of providing implementation flow chart
And/or function/operation process specified in the box in block diagram.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relationship between module indicate between them have communication connection, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, it can understand
And implement.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
It should be noted that in the above-described embodiments, all emphasizing particularly on different fields to the description of each embodiment, in some embodiment
In the part that is not described in, reference can be made to the related descriptions of other embodiments.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related movement and simulation must be that the present invention must
Must.
Claims (10)
1. a kind of bluetooth coverage extension system characterized by comprising
Start node and multiple transit nodes；
The start node and the transit node, the Ethernet data for will acquire are parsed using data, and by institute
Data transformation is stated into blue-teeth data, Bluetooth terminal is sent to by bluetooth connection；
The start node is also used to the application data being packaged into Ethernet data bag, and is transferred to the transit node；
The transit node is also used to be transmitted to remaining described transit node according to the Ethernet data bag.
2. bluetooth coverage extension system according to claim 1, which is characterized in that
The connection of the start node and each transit node includes any one of wired, wireless and PLC.
3. bluetooth coverage extension system according to claim 2, which is characterized in that
Connection between each transit node includes any one of wired, wireless and PLC.
4. bluetooth coverage extension system according to claim 2, which is characterized in that
The connection of the start node and each transit node can select suitable connection side according to current ambient conditions
Formula.
5. bluetooth coverage extension system according to claim 3, which is characterized in that
Connection between each transit node can select suitable connection type according to current ambient conditions.
6. bluetooth coverage extension system according to claim 1, which is characterized in that
In the start node exception, each transit node selects the node for substituting the start node by bootstrapping,
Using as new start node.
7. bluetooth coverage extension system according to claim 1, which is characterized in that the start node includes ether
Network data receiving module, Ethernet data sending module and bluetooth module；
The ethernet data acceptance module, the Ethernet data for will acquire are parsed using data, so that using
The application data are converted to blue-teeth data and are transferred to the bluetooth module or the application process for the application by process
Data are sent to the Ethernet data sending module；
The Ethernet data sending module, for the application data received to be packaged into Ethernet data bag, to pass
It is defeated by the transit node.
8. bluetooth coverage extension system according to claim 7, which is characterized in that the transit node includes receiving
Module, sending module and the bluetooth module；
The receiving module, for IP layer data will to be parsed after the Ethernet data bag received so that using into
Journey is transferred to the sending module according to the destination IP in the IP layer data, by the IP layer data, or by the IP number of plies
It is described using data according to parsing, and the application data are converted to the blue-teeth data and are sent to the bluetooth module；
The sending module, for the IP layer data to be sent to the corresponding transit node according to the destination IP；
The bluetooth module, for the blue-teeth data to be sent to the Bluetooth terminal.
9. bluetooth coverage extension system according to claim 8, which is characterized in that
The bluetooth module, the reply blue-teeth data for the Bluetooth terminal for being also used to receive be sent to it is described apply into
Journey, so that the reply blue-teeth data is converted to reply using data and is transferred to the transmission mould by the application process
Block；
The sending module is also used to described reply being packaged into reply Ethernet data using data, by the reply ether
Network data is sent to corresponding node.
10. a kind of bluetooth coverage extension method characterized by comprising
Start node is parsed according to the Ethernet data got using data, by the data transformation at bluetooth number
According to being sent to Bluetooth terminal by bluetooth connection, and the application data are packaged into Ethernet data bag, be transferred to middle trochanter
Point；
The transit node is transmitted to remaining described transit node, or the Ethernet that will acquire according to the Ethernet data bag
Data are parsed using data, and by the data transformation at blue-teeth data, are sent to Bluetooth terminal by bluetooth connection.
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|---|---|---|---|
| CN201811330788.7A CN109412651A (en) | 2018-11-08 | 2018-11-08 | Bluetooth coverage extension system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330788.7A CN109412651A (en) | 2018-11-08 | 2018-11-08 | Bluetooth coverage extension system and method |
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