CN101415255A - Automatic classifying and networking method for bluetooth equipment - Google Patents
Automatic classifying and networking method for bluetooth equipment Download PDFInfo
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- CN101415255A CN101415255A CNA2008102034331A CN200810203433A CN101415255A CN 101415255 A CN101415255 A CN 101415255A CN A2008102034331 A CNA2008102034331 A CN A2008102034331A CN 200810203433 A CN200810203433 A CN 200810203433A CN 101415255 A CN101415255 A CN 101415255A
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Abstract
The invention relates to an automatic classification networking method for Bluetooth devices in the technical field of wireless communications, wherein, the method comprises the following steps: the Bluetooth devices are classified according to the classification standard of the Bluetooth devices; the Bluetooth devices are connected within the communication scope and then obtaining attribute information of the counterpart for verifying that whether the Bluetooth devices belong to the same class, and if yes, the Bluetooth devices are connected; if no, the Bluetooth devices are disconnected. Thus, the Bluetooth devices belonging to the same class in the communication scope are connected and combined into a plurality of isolated scattering networks. A super peer in each isolated scattering network is determined for marking the scattering network. Each isolated scattering network sends out a detecting message. Bluetooth devices which are different from the Bluetooth devices for networking are selected as bridge access points for connecting the scattering networks in the region to form a global network. With the least quantity of the scattering networks, the method can not only ensure the connectivity, but also improve the average transmitting speed, reduce the energy consumption of the whole scattering network, etc.
Description
Technical field
What the present invention relates to is a kind of method of wireless communication technology field, and specifically, what relate to is a kind of method of bluetooth equipment automatic classifying and networking.
Background technology
Bluetooth technology is a kind of short-distance wireless communication technology of global general-use, is widely used in the every field of short-range real-time radio communication.According to the distance of transmission range (mainly being at present the transmission range of 1 meter, 10 meters and 100 meters), bluetooth correspondingly is divided into classification 1, classification 2 and classification 3.Along with the increase of supporting distance, the energy that bluetooth equipment consumed is also in continuous rising.So mostly normally used bluetooth equipment is classification 2.Bluetooth is free the use, because bluetooth is operated in the 2.4GHz wave band, and this wave band is a kind of radio wave band of industry, science and technology and medical science (ISM) that need not licensing.Simultaneously, bluetooth has adopted technology such as forward error correction, code optimization in design process, has guaranteed that effectively Bluetooth communication is stable, good in anti-interference performance.Through well-designed Bluetooth protocol, make two bluetooth equipments directly connect and be very easy to, particularly construct PAN (Personal Area Network).Therefore, bluetooth group becomes one of emphasis of domestic and international bluetooth research gradually.
When two bluetooth equipments connected, one of them equipment must be as main equipment, and another one equipment then is slave unit.Owing to adopted frequency hopping, a main equipment can connect maximum seven slave units.The network of Zu Chenging is called piconet like this.Because the equipment that single piconet is supported is limited, in order to connect more bluetooth equipment, can be bridge contact with a bluetooth equipment, two piconets are connected directly.The bluetooth equipment that serves as bridge contact appears in two piconets simultaneously, is responsible for the direct transmission of information in two piconets.The network that a plurality of piconets are formed is called scatternet.The networking of general bluetooth all is meant the structure of scatternet, and research emphasis mainly comprises two classes: single-hop network and multihop network.So-called single-hop network just is meant between any two equipment all can directly communicate in communication range.This class networking technology correspondence the topological structure of an optimization.About multihop network, two distances between the equipment then might be arranged greater than communication range, so the communication between them must be passed through miscellaneous equipment.Than single-hop network, the networking technology difficulty of multihop network is more difficult, but the scope of application is also bigger.Lay particular emphasis on the optimization of bluetooth topological structure in the prior art, seldom relevant for the research of equipment otherness more.Minority is considered the networking technology that bluetooth equipment is different, if but also at special joint.
Find by prior art documents, Gergely V.Z á ruba, people such as Stefano Basagni and Imrich Chlamtac " IEEEInternational Conference on Communications " (international communication meeting) (2001, " the Bluetrees-scatternetFormation to Enable Bluetooth-based Ad Hoc Networks " that delivers on pp.273-277) (bluetooth tree :) based on the self-organizing network of bluetooth scatternet.Propose in this article: two kinds of building methods based on the self-organizing network of bluetooth tree.These two kinds of methods are all supposed: each bluetooth nodes can judge oneself to be root node; Whether know the network identifier of a hop neighbor and be the part of certain piconet.Concrete grammar is: method one: specified node is a root node, and this node is notified its each neighbours' node by the mode of paging: it has become major node.After if certain neighbours' node receives announcement information, and when not being in arbitrary piconet as yet, will paging receiving and become of the major node place network that sends paging information automatically from node.Otherwise this neighbours' node will not responded relevant frequency hopping information, perhaps directly notify major node it be the member of other piconet.Whole steps repeats, among all neighbours' nodes all are assigned to certain piconet.In case certain node becomes major node or after node, it with all its neighbours of paging one by one.Method two is: specifying a more than node is root node, constructs the bluetooth tree respectively according to the mode of method one, merges these bluetooth trees at last, makes it to become the self-organizing network that only has a root node.This mode has been accelerated the structure of network greatly.Its deficiency is: and root node becomes bottleneck easily, makes that the fault-tolerance of whole system and stability are not high.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of method of bluetooth equipment automatic classifying and networking is provided.Than existing relevant programme and system, the present invention can not only guarantee under the connective situation, the scatternet minimum number, and that promptly uses is minimum with the different classes of miscellaneous equipment interstitial content of selected node; Also can improve average transmission speed, reduce the energy consumption of whole scatternet etc.Therefore, the present invention can be used as the feasible program of bluetooth automatic network-building.
The present invention is achieved by the following technical solutions, the present invention includes following steps:
The first step is classified to bluetooth equipment according to the criteria for classification of bluetooth equipment;
Second step, revise the connected mode between bluetooth equipment, as long as just can connect in communication range, the similar bluetooth equipment that only changes in communication range (promptly apart from less than 10 meters) into just can connect with all bluetooth equipments in the prior art.Implementation method is: bluetooth equipment connects in communication range, obtains the other side's attribute information then and verifies, if similar bluetooth equipment continues to connect, connects otherwise disconnect.So just reached and had only just purpose of connecting of similar bluetooth equipment.According to the method, similar bluetooth equipment is formed several isolated scatternets, promptly can't couple together by similar bluetooth equipment again between them, but might couple together by the inhomogeneity bluetooth equipment.Determine the super-peer in each isolated scatternet, be used for identifying this scatternet.
In the 3rd step, each isolated scatternet outwards sends probe message, select with the inhomogeneous bluetooth equipment of bluetooth equipment of wanting networking as bridge contact, the scatternet in zone is coupled together, form overall scatternet.
The criteria for classification of described bluetooth equipment, comprise from physical attribute bluetooth equipment distinguished, or from logical attribute bluetooth equipment is distinguished, in the time of each networking, the contingency table of selecting will definitely change, and same equipment allows to be divided in the different kinds in twice networking.
Described similar bluetooth equipment in communication range connects, and adopts a kind of in following two kinds of methods:
First method is that hash function is set up PIN code, like this, it is identical to have only the 4-digit number that obtains behind the similar bluetooth equipment Hash to be only, and at first connects between two bluetooth equipments, then when verifying, if they are similar bluetooth equipments, PIN code is just identical so, is proved to be successful, so bluetooth equipment just connects to get up, otherwise the PIN code difference, authentication failed, the interim connection between the bluetooth equipment just disconnects;
Second method is with in the attribute write device title, and the function of obtaining the other side's device name is specially arranged in the Bluetooth protocol, after obtaining the other side's device name, just can verify whether be same category of device like this, if then establish connection, otherwise refusal connects.
In described the 3rd step, it is minimum to guarantee that by following six steps employed miscellaneous equipment connects:
1. scatternet sends probe message
Super-peer can notify all nodes in the scatternet to prepare outwards to send probe message.Node in the scatternet is to send message like this: at first construct a message, this message contains unique ID of scatternet, and also having a jumping figure, this jumping figure simultaneously is the number that is used for determining connecting the foreign peoples's node on the path of two scatternets.In order to determine the concrete equipment on the path, this message also contains a device queue in addition.After message constructing is finished, with regard to this message of peripherad node broadcasts.Node around these must be in the communication range of sending out information node.
2. the inhomogeneity bluetooth equipment is accepted message
When an inhomogeneous bluetooth equipment receives message, check contained scatternet ID in the message, if it has stored this ID, and the jumping figure of this scatternet correspondence than jumping figure contained in the message still less or equate, illustrating has another one message to come out from same scatternet, and it arrives current foreign peoples's node by more excellent path.At this moment, this newly to message just have not a particle of value, just can discard.Otherwise,, just store this scatternet ID and jumping figure if this is first message from new scatternet arrival.If this is the message from the scatternet arrival in a Geju City, but the path that it is walked is more excellent, the jumping figure of so new and old scatternet correspondence.To back two kinds of situations, current inhomogeneity bluetooth equipment is joined in the device queue in the message, the jumping figure in the message is added 1, medium to be sent message stores then at buffered message queue.
3. the inhomogeneity bluetooth equipment sends message
From the message that the buffering message queue takes out head of the queue, the node around sending to.
4. similar bluetooth equipment receives message
When similar bluetooth equipment is received a message, check scatternet ID earlier, if same scatternet, just abandon.Otherwise, show that being one arrives from other scatternet, at this moment just analyzes forwards to super-peer.
5. same category of device sends message
This has only at the beginning, just carries out in super-peer notice, and only carries out once.
6. super-peer analysis
If super-peer receives message, no matter directly obtain, or submit to by other node of same scatternet, it all begins this message is analyzed.Whether at first see what this message was come from new scatternet, if, just writing down scatternet ID, jumping figure is a path, and the path formation in the message.Otherwise, will compare jumping figure, few if the contained jumping figure of new message is followed, so just upgrade the jumping figure among the corresponding scatternet ID.If equate, then this new path write down.If greater than, then this message is thrown away.After a period of time, super-peer just can not received message again, at this moment just can analyze the multipath of same scatternet.Draw a good path at last.Owing to can not clearly determine how long have on earth during this period of time, can set a time earlier, to the time just analyze, when waiting new message arrival, carry out weight analysis again.
Among the present invention, bluetooth sorted group host will comprise two stages, and first stage is mainly formed the least possible scatternet with similar bluetooth equipment, and this stage can be utilized common networking technology.Second stage then is on the basis of phase I, is bridge with the bluetooth equipment of other classification, further merges the scatternet that separates, and guarantees that simultaneously used bridge node is minimum.Than existing bluetooth group technology, the present invention has not only reduced the problem that message is transmitted, and for bluetooth equipment has been saved energy, has also shortened the time of bluetooth group widely.At last, the invention enables direct communication between the bluetooth equipment, reduced the process of paging and coupling, thereby improved transmission rate.Under the same conditions, the sum that the present invention need send and receive message can reduce more than 87% than original Bluetree algorithm, reduces more than 86% than the Bluetree algorithm of optimizing.On the other hand, transmission rate of the present invention improves more than 40% than the transmission rate of the Bluetree algorithm of original Bluetree algorithm and optimization.
Description of drawings
Fig. 1 is scatternet direct communication figure;
Fig. 2 is scatternet indirect communication figure;
Fig. 3 can't traffic diagram for scatternet;
Fig. 4 is the map interlinking of structure scatternet communication link;
Fig. 5 selects figure for the scatternet communication path;
Fig. 6 is new node diagram for scatternet adds.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment has provided detailed execution mode and process being to implement under the prerequisite with the technical solution of the present invention, but protection scope of the present invention is not limited to following embodiment.
Present embodiment is at first classified to bluetooth equipment according to the criteria for classification of bluetooth equipment, revise the connected mode between bluetooth equipment then, the similar bluetooth equipment that guarantees in communication range (promptly distance is less than 10 meters) could connect, bluetooth equipment is formed each isolated scatternet, and the super-peer in definite each isolated scatternet, select at last with the inhomogeneous bluetooth equipment of bluetooth equipment of wanting networking as bridge contact, the scatternet in zone is coupled together, form overall scatternet.
The criteria for classification of described bluetooth equipment, exactly bluetooth equipment is carried out The classification basis, can be bluetooth equipment self physical attribute such as CPU speed, the network bandwidth etc., bluetooth equipment has or not screen etc., it also can be logical attribute, as the type of bluetooth equipment, according to bluetooth equipment holder's identity, affiliated group etc., even can be artificial bluetooth equipment is carried out interim label, thereby classify.In the time of each networking, the criteria for classification of selection can change, and same equipment also can be divided in the different kinds in twice different networking.
Connected mode between described bluetooth equipment just is meant the connected mode that will determine between similar bluetooth equipment, promptly how to guarantee to have only two similar bluetooth equipments to connect.A kind of method is that hash function is set up PIN code.Like this, have only the 4-digit number that obtains behind the similar bluetooth equipment Hash to be only identical.At first connect between two bluetooth equipments, when verifying, if they are similar bluetooth equipments, PIN code is just identical so then, is proved to be successful, so bluetooth equipment just connects to get up.Otherwise the PIN code difference, authentication failed, the interim connection between the bluetooth equipment just disconnects.Another method is with in the attribute write device title, owing in the Bluetooth protocol function of obtaining the other side's device name is specially arranged, and like this after obtaining the other side's device name, just can verify whether be same category of device, if then establish connection, otherwise refusal connects.
The described super-peer of determining in each isolated scatternet is exactly to select a bluetooth equipment from each scatternet, identifies whole scatternet with this equipment mark.Usually, this class bluetooth equipment has stronger performance, as storage capacity, and CPU ability etc.Because each bluetooth equipment all has unique sign, so each scatternet has also had unique sign.
The present embodiment specific implementation process may further comprise the steps:
1. bluetooth equipment classification: selecting certain standard to distinguish bluetooth equipment, is standard with the CPU ability here.With this standard bluetooth equipment is divided into multiclass, uses A, B, signs such as C.
2. bluetooth equipment connects: bluetooth equipment connects in communication range, obtains the other side's attribute information then and verifies, if similar bluetooth equipment continues to connect, connects otherwise disconnect.So similar bluetooth equipment is formed several isolated scatternets.At each class bluetooth equipment, present embodiment adopts the Bluetree networking technology to form scatternet, notices that it is similar child node that root node contains seven at most.Each node carries out self recommendation by random time, and the who gets the most votes is as super-peer, and this super-peer has stronger performance, also requires can only contain at the most seven same category nodes simultaneously.
3. each isolated scatternet outwards sends probe message, select with the inhomogeneous bluetooth equipment of bluetooth equipment of wanting networking as bridge contact, the scatternet in zone is coupled together, form overall scatternet.White black two kinds of colors identify the bluetooth nodes of two kinds.
As shown in Figure 1, be scatternet direct communication figure, promptly scatternet is by the existing node communication in inside.This communication mode does not need the node in the class B auxiliary.
As shown in Figure 2, be scatternet indirect communication figure, promptly the node of scatternet surpasses apart from after the scope of Bluetooth communication permission (being 10 meters in the present embodiment), just need finish communication by the node among the class B.
As shown in Figure 3, for scatternet can't traffic diagram, promptly the node of scatternet distance surpasses the scope (being 10 meters in the present embodiment) of Bluetooth communication permission, when the distance between class A and the class B also surpasses this scope simultaneously, can't communicate by letter between the scatternet.
As shown in Figure 4, be the map interlinking of structure scatternet communication link, promptly in the time can't directly connecting two specific scatternets, wherein the super-peer of a scatternet and ordinary node all can initiate a message, other scatternet around going to survey.Each node makes up message, go to set up and class B between contact.When a disparate devices receives message, check contained scatternet ID in the message, if it has stored this ID, and the bar number of this scatternet correspondence than jumping figure contained in the message still less or equate, illustrating has another one message to come out from same scatternet, and it arrives current foreign peoples's node with crossing more excellent path.At this moment, this newly to message just have not a particle of value, just can discard.Otherwise,, just store this scatternet ID and jumping figure if this is first message from new scatternet arrival.If this is the message from the scatternet arrival in a Geju City, but the path that it is walked is more excellent, the jumping figure of so new and old scatternet correspondence.To back two kinds of situations, current disparate devices is joined in the device queue in the message, the jumping figure in the message is added 1, medium to be sent message stores then at buffered message queue.
As shown in Figure 5, select figure, two paths [A, B, C] and [D] are promptly arranged between scatternet I and the scatternet II, will choose that short circuit of path for the scatternet communication path.
As shown in Figure 6, add new node diagram for scatternet.Class B has this ID when at first judging after receiving message, if not then add this ID, if having then will see the bar number of comparison jumping figure and current existence, if greater than currency then lose current message, if less than value before upgrading.
For 60 nodes (29 class A nodes and 31 class B nodes) that are deployed in the 50 x 50m scopes, in generic, transmit the data of 2M, the message sum that the Bluetree algorithm need send and receive is 191797, the Bluetree algorithm of optimizing needs 185610, and the present invention only needs to send and receive the sum of message is 24748, reduced by 87.1% message count than original Bluetree algorithm, reduced by 86.67% message count than the Bluetree algorithm of optimizing.On the other hand, the transmission rate that the Bluetree algorithm can reach is at 58.67k/s, the Bluetree that optimizes can reach 59.32k/s, the present invention but can reach 84.86k/s, transmission rate than original Bluetree algorithm has improved 44.64%, has improved 43.05% than the transmission rate of the Bluetree algorithm of optimizing.
Claims (7)
1, a kind of method of bluetooth equipment automatic classifying and networking is characterized in that, may further comprise the steps:
The first step is classified to bluetooth equipment according to the criteria for classification of bluetooth equipment;
Second step, bluetooth equipment connects in communication range, obtaining the other side's attribute information then verifies, if similar bluetooth equipment continues to connect, connect otherwise disconnect, similar bluetooth equipment in communication range couples together like this, similar bluetooth equipment is formed several isolated scatternets, determine the super-peer in each isolated scatternet, be used for identifying this scatternet;
In the 3rd step, each isolated scatternet outwards sends probe message, select with the inhomogeneous bluetooth equipment of bluetooth equipment of wanting networking as bridge contact, the scatternet in zone is coupled together, form overall scatternet.
2, the method for bluetooth equipment automatic classifying and networking according to claim 1, it is characterized in that, the criteria for classification of described bluetooth equipment, comprise from physical attribute bluetooth equipment is distinguished, or from logical attribute bluetooth equipment is distinguished, in the time of each networking, the contingency table of selection will definitely change, and same equipment allows to be divided in the different kinds in twice networking.
3, the method for bluetooth equipment automatic classifying and networking according to claim 1 is characterized in that, described similar bluetooth equipment in communication range connects, and adopts a kind of realization in following two kinds of methods:
First method is that hash function is set up PIN code, like this, it is identical to have only the 4-digit number that obtains behind the similar bluetooth equipment Hash to be only, and at first connects between two bluetooth equipments, then when verifying, if they are similar bluetooth equipments, PIN code is just identical so, is proved to be successful, so bluetooth equipment just connects to get up, otherwise the PIN code difference, authentication failed, the interim connection between the bluetooth equipment just disconnects;
Second method is with in the attribute write device title, and the function of obtaining the other side's device name is specially arranged in the Bluetooth protocol, after obtaining the other side's device name, just can verify whether be same category of device like this, if then establish connection, otherwise refusal connects.
4, the method for bluetooth equipment automatic classifying and networking according to claim 1, it is characterized in that, the described super-peer of determining in each isolated scatternet, be exactly from each scatternet, to select a bluetooth equipment, identify whole scatternet with this equipment mark, each bluetooth equipment all has unique sign, so each scatternet has also had unique sign.
5, the method for bluetooth equipment automatic classifying and networking according to claim 1 is characterized in that, in described the 3rd step, it is minimum to guarantee that by following six steps employed miscellaneous equipment connects:
1. scatternet sends probe message: super-peer can notify all nodes in the scatternet to prepare outwards to send probe message, node in the scatternet is to send message like this: at first construct a message, this message contains unique ID of scatternet, also has a jumping figure simultaneously, this jumping figure is the number that is used for determine connecting the foreign peoples's node on the path of two scatternets, in addition, in order to determine the concrete equipment on the path, this message also contains a device queue, after message constructing is finished, with regard to this message of peripherad node broadcasts, the node around these must be in the communication range of sending out information node;
2. the inhomogeneity bluetooth equipment is accepted message: when an inhomogeneous bluetooth equipment receives message, check contained scatternet ID in the message, if it has stored this ID, and the jumping figure of this scatternet correspondence than jumping figure contained in the message still less or equate, illustrating has another one message to come out from same scatternet, and it arrives current foreign peoples's node by more excellent path, at this moment, discards the message that this newly arrives; Otherwise,, just store this scatternet ID and jumping figure if this is first message from new scatternet arrival; If this is the message from the scatternet arrival in a Geju City, but the path that it is walked is more excellent, the jumping figure of so new and old scatternet correspondence; To back two kinds of situations, current inhomogeneity bluetooth equipment is joined in the device queue in the message, the jumping figure in the message is added 1, medium to be sent message stores then at buffered message queue;
3. the inhomogeneity bluetooth equipment sends message: from the message that the buffering message queue takes out head of the queue, the node around sending to;
4. similar bluetooth equipment receives message: when similar bluetooth equipment is received a message, check scatternet ID earlier, if same scatternet, just abandon; Otherwise, show that being one arrives from other scatternet, at this moment just analyzes forwards to super-peer;
5. same category of device sends message: this has only at the beginning, just carries out in the super-peer notice, and only carries out once;
Whether 6. super-peer analysis: super-peer receives message, at first sees what this message was come from new scatternet, if, just writing down scatternet ID, jumping figure is a path, and the path formation in the message; Otherwise, will compare jumping figure, few if the contained jumping figure of new message is followed, so just upgrade the jumping figure among the corresponding scatternet ID; If equate, then this new path is write down, if greater than, then this message to be thrown away, after a period of time, super-peer just can not received message again, at this moment the multipath of same scatternet is analyzed, and draws a good path at last.
6, the method for bluetooth equipment automatic classifying and networking according to claim 5 is characterized in that, described super-peer analysis, wherein super-peer receives message, no matter directly obtain, or submit to by other node of same scatternet, it all begins this message is analyzed.
7, the method for bluetooth equipment automatic classifying and networking according to claim 5 is characterized in that, during described super-peer is analyzed, sets a time earlier, to the time just analyze, when waiting new message to arrive, carry out weight analysis again.
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| CN102118186A (en) * | 2009-12-31 | 2011-07-06 | 鼎亿数码科技(上海)有限公司 | Connection method of Bluetooth device |
| CN102647368A (en) * | 2012-04-27 | 2012-08-22 | 深圳市铭美科技有限公司 | Bluetooth based instant messaging method and Bluetooth based instant messaging system |
| CN103067053A (en) * | 2013-01-18 | 2013-04-24 | 华为技术有限公司 | Method and device for Bluetooth node processing |
| CN103458507A (en) * | 2013-09-06 | 2013-12-18 | 广东欧珀移动通信有限公司 | Bluetooth network application method and system based on mobile terminals |
| CN103457786A (en) * | 2012-06-05 | 2013-12-18 | ***通信集团公司 | Sensor access detection method, device and system |
| CN104394515A (en) * | 2014-11-26 | 2015-03-04 | 王海 | Android WI-FI (Wireless Fidelity) direct mode based long-life-cycle broadcast tree establishment method |
| CN105050035A (en) * | 2015-08-26 | 2015-11-11 | 苏州佩林网络科技有限公司 | Dynamic infinite networking method based on Bluetooth BLE4.0 |
| CN105430597A (en) * | 2015-10-30 | 2016-03-23 | 南京网河智能科技有限公司 | Bluetooth device, and Bluetooth Scatternet networking method and device thereof |
| CN106658368A (en) * | 2016-12-01 | 2017-05-10 | 九阳股份有限公司 | Bluetooth networking method and system |
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| CN102118186A (en) * | 2009-12-31 | 2011-07-06 | 鼎亿数码科技(上海)有限公司 | Connection method of Bluetooth device |
| CN102647368A (en) * | 2012-04-27 | 2012-08-22 | 深圳市铭美科技有限公司 | Bluetooth based instant messaging method and Bluetooth based instant messaging system |
| CN103457786A (en) * | 2012-06-05 | 2013-12-18 | ***通信集团公司 | Sensor access detection method, device and system |
| CN103067053A (en) * | 2013-01-18 | 2013-04-24 | 华为技术有限公司 | Method and device for Bluetooth node processing |
| CN103458507B (en) * | 2013-09-06 | 2016-05-04 | 广东欧珀移动通信有限公司 | A kind of blueteeth network application process and system based on mobile terminal |
| CN103458507A (en) * | 2013-09-06 | 2013-12-18 | 广东欧珀移动通信有限公司 | Bluetooth network application method and system based on mobile terminals |
| CN104394515A (en) * | 2014-11-26 | 2015-03-04 | 王海 | Android WI-FI (Wireless Fidelity) direct mode based long-life-cycle broadcast tree establishment method |
| CN104394515B (en) * | 2014-11-26 | 2018-05-29 | 王海 | Long life periodic broadcasting tree method for building up based on Android WI-FI DIRECT patterns |
| CN105050035A (en) * | 2015-08-26 | 2015-11-11 | 苏州佩林网络科技有限公司 | Dynamic infinite networking method based on Bluetooth BLE4.0 |
| CN105430597A (en) * | 2015-10-30 | 2016-03-23 | 南京网河智能科技有限公司 | Bluetooth device, and Bluetooth Scatternet networking method and device thereof |
| CN106658368A (en) * | 2016-12-01 | 2017-05-10 | 九阳股份有限公司 | Bluetooth networking method and system |
| CN108738004A (en) * | 2018-05-21 | 2018-11-02 | 云谷（固安）科技有限公司 | Bluetooth array structure, Bluetooth data transfer method and Bluetooth data transmission system |
| CN108738004B (en) * | 2018-05-21 | 2021-11-23 | 云谷（固安）科技有限公司 | Bluetooth array system, Bluetooth data transmission method and Bluetooth data transmission system |
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