CN106851774A - The node cut-in method and device of a kind of Zigbee network - Google Patents

The node cut-in method and device of a kind of Zigbee network Download PDF

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Publication number
CN106851774A
CN106851774A CN201710048103.9A CN201710048103A CN106851774A CN 106851774 A CN106851774 A CN 106851774A CN 201710048103 A CN201710048103 A CN 201710048103A CN 106851774 A CN106851774 A CN 106851774A
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CN
China
Prior art keywords
node
zigbee network
routing node
nodal information
ingress waiting
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201710048103.9A
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Chinese (zh)
Inventor
魏伟
邵俊杰
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Wei Rong Group Co., Ltd
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Zhejiang Xiaoyouyu Intelligent Technology Co Ltd
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Priority to CN201710048103.9A priority Critical patent/CN106851774A/en
Publication of CN106851774A publication Critical patent/CN106851774A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08Access security
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Radio Relay Systems (AREA)

Abstract

The invention discloses the node cut-in method and device of a kind of Zigbee network, during access, the nodal information of ingress waiting is broadcasted in Zigbee network by telegon;Routing node receiving node information simultaneously writes default address pool, and unlatching allows networking function;Ingress waiting networks to Zigbee network broadcast and asks beacon frame, and the networking request beacon frame includes the nodal information of ingress waiting;The routing node for receiving the request beacon frame that networks is matched the nodal information of ingress waiting with the nodal information in Self address pond, when the match is successful, response frame is sent to ingress waiting:Ingress waiting receives response frame, and according to selection purpose routing node in the response frame for receiving, and access the purpose routing node.The present invention solves the problems, such as that key is different but remains to correctly be assigned to Zigbee network address, and the data interaction of illegality equipment is prevented from source.

Description

The node cut-in method and device of a kind of Zigbee network
Technical field
The invention belongs to Smart Home technical field, and in particular to the node cut-in method and dress of a kind of Zigbee network Put.
Background technology
ZIGBEE technology defines physical layer and MAC layer using 802.15.4, and supports Mesh topologys.Due to network Big, the excellent network topology ability of capacity, arrange net simple, low-power consumption the characteristics of.It is also fast in the coverage of Internet of Things field Speed diffusion, application scenario is also gradually coated on family's field of household appliances by urban construction field.
The household electrical appliance of different household appliances manufacturers generally have communication or the control protocol of itself.In order to different factories can be realized The equipment of business can be interconnected, and current major smart home application vendors are all drawn close to a certain standard agreement.
But, the raising of compatibility brings unnecessary trouble to user, and such as A/B user is neighborhood, respectively with The equipment of X/Y manufacturers is compatible, and so, even if A/B user buys product difference, but they are each adding new product To in respective house system, it is possible to occur party A-subscriber product be added to party B-subscriber intelligent domestic system situation.This Kind of situation, either from user's operating experience or from the consideration of security be all that user is unacceptable.
In view of the situation, all big enterprises also set some networking mechanism to avoid such event to occur as far as possible one after another, than Such as:Closely networking, button networking etc..Although these networking mechanism can reduce the embarrassment between A/B user to a certain extent.
Although ZIGBEE agreements also have encryption mechanism in itself, the equipment of different keys cannot normal communication, its encryption equipment System is to act on APS layers, even if so two device keyses difference also can correctly be distributed the network address, difference is key Different equipment can not normal data interaction, ZIGBEE technology by the equipment of different keys of correctly distribution address also to being carried out Logout treatment.Therefore, although closely the technology such as networking, button networking can alleviate unnecessary trouble to a certain extent, But fundamental issue cannot be solved, such as:Rogue's node for the request that networked every cell owner, frequent initiation of one wall etc..This A little security privacy aspects all on following household electrical appliances bring influence.
The content of the invention
In view of the shortcomings of the prior art, the invention provides the node cut-in method and device of a kind of Zigbee network, with Ensure the security of Zigbee network.
A kind of node cut-in method of Zigbee network, the Zigbee network includes routing node, and at least one Individual routing node is telegon, including step:
(1) nodal information of ingress waiting is broadcasted in the Zigbee network by telegon;
(2) during routing node receives described nodal information and writes default address pool, and the node is being received Being opened after information allows networking function;
(3) ingress waiting is networked to Zigbee network broadcast and asks beacon frame, and beacon frame bag is asked in the networking Include the nodal information of ingress waiting;
(4) each receive it is described network request beacon frame routing node by the nodal information of ingress waiting with from Nodal information in the address pool of body is matched, and when the match is successful, response frame, the response frame is sent to ingress waiting In comprising the routing node signal intensity and address information:
(5) ingress waiting receives response frame, and signal intensity selection signal in the response frame for receiving is most strong Routing node as purpose routing node, and the purpose routing node is accessed according to corresponding address information.
Preferably, the Zigbee network includes the host computer communicated with the telegon, by host computer to institute State telegon and write the nodal information for broadcast.
It is reducing energy consumption, also includes that duration is opened in setting when unlatching allows networking function in the step (2), it is described Routing node open the time for allowing networking function reach the unlatching duration of setting after be automatically switched off and allow networking function..
Opening duration can need setting according to application, preferably, a length of 30~120s during described unlatching.It is further excellent Choosing, a length of 60s during the unlatching.
By deleting the nodal information in address pool, in order to the storage of the nodal information of other ingress waiting.It is described Routing node deletes the nodal information for receiving after allowing networking function to close from address pool.
A kind of node access device of Zigbee network, the Zigbee network includes routing node, and at least one Individual routing node is telegon, including:
Address broadcast module, the node for being broadcasted ingress waiting in the Zigbee network by telegon is believed Breath;
Networking module is allowed, in receiving described nodal information and write default address pool for routing node, and Unlatching allows networking function after receiving the nodal information;
Beacon frame information module, networks to Zigbee network broadcast for ingress waiting and asks beacon frame, described The request beacon frame that networks includes the nodal information of ingress waiting;
Response frame sending module, is receiving ingress waiting after beacon frame is asked in the networking for routing node Nodal information is matched with the nodal information in the address pool of itself, and when the match is successful, is sent to ingress waiting and rung Frame is answered, signal intensity and address information comprising corresponding routing node in the response frame:
AM access module, response frame, and the signal intensity choosing in the response frame for receiving are received for ingress waiting The most strong routing node of signal is selected as purpose routing node, and the purpose routing node is accessed according to corresponding address information.
Preferably, also including the host computer communicated with the telegon in the Zigbee network, described node connects Entering device also includes nodal information writing module, and the nodal information is write for described to the telegon for host computer Address broadcast module is broadcasted.
Preferably, described allow networking module to be additionally operable to also set unlatching duration when unlatching allows networking function, institute The routing node stated open the time for allowing networking function reach the unlatching duration of setting after be automatically switched off and allow networking function.
Further preferably, a length of 30~120s during described unlatching.
Preferably, it is described allow networking module be additionally operable to routing node allow networking function close after from address pool The nodal information that deletion is received.
Compared with prior art, key is different when the present invention solves Zigbee network access but remains to correctly be assigned to network The safety problem of address, efficiently solves the problems, such as that two family house equipment network is chaotic, and prevent the number of illegality equipment from source According to interaction.
Brief description of the drawings
Fig. 1 is the flow chart of the node cut-in method of the Zigbee network of the present embodiment.
Specific embodiment
In order to be better understood from the present invention, side of the invention is expanded on further below in conjunction with specific embodiments and the drawings Case, but present disclosure is not limited solely to the following examples.
Node in a kind of node cut-in method of Zigbee network of the present embodiment can be routing node, with can also It is non-routing node, such as terminal node.
A kind of node cut-in method of Zigbee network of the present embodiment is implemented on Zigbee network, including routing node and Host computer, and have a routing node for telegon, remaining routing node is router, host computer with wherein as telegon Routing node communication connection is input into information with to it, any two node (including routing node and the end in the Zigbee network End node) between communication based on ZigBee technology realize.
Number of nodes in the Zigbee network of the present embodiment is indefinite, and in practical application, node can constantly be added or deleted Remove.
Under initial situation, only have telegon in Zigbee network, Zigbee network is then set up by telegon.Due to Only this routing node of telegon in whole Zigbee network, therefore, first node (including routing node and terminal section Point) must be access the telegon in;With being gradually added into for Zigbee network node, it may appear that the feelings of multiple routing nodes Condition, when there is multiple routing nodes in Zigbee network, node to be accessed can access other route sections in addition to telegon Point.
The node cut-in method of a kind of Zigbee network of the present embodiment, as shown in figure 1, including step:
(1) nodal information of the ingress waiting broadcasted in Zigbee network by telegon;
The nodal information of the ingress waiting that telegon is broadcasted is write by host computer to telegon in the present embodiment.Should Nodal information includes but are not limited to the physical address of ingress waiting, can be can determine comprising other in practical application and treated The information of access node identity.
(2) during routing node receives described nodal information and writes default address pool, and nodal information is being received Opening afterwards allows networking function;
In the present embodiment, when allowing networking function to open, the routing node can receive ingress waiting to Zigbee Web broadcast networks asks beacon frame, sends response frame and allows ingress waiting to access;When allowing networking function to close, The routing node can not receive ingress waiting to Zigbee network broadcast network request beacon frame, do not send response frame, yet not Ingress waiting is allowed to access.
Unlatching also includes that duration is opened in setting when allowing networking function, and routing node allows the time of networking function opening Being automatically switched off after the unlatching duration for reaching setting allows networking function.
The memory space of address pool can set according to practical application request, can be after the form of setting nodal information, root Set according to the size of nodal information, used as minimum memory unit, at least requirement can store one to the size using the nodal information of setting Individual nodal information.
Due to the limited storage space of address pool, routing node is deleted from address pool after allowing networking function to close and connect The nodal information for receiving.
Used as a kind of preferred embodiment, routing node also judges whether address pool is sky before unlatching allows networking function, Address pool is not space-time, is then turned on allowing networking function;It is space-time in address pool, is not turned on allowing networking function.So, utilize Address pool is first once filtered to routing node, can greatly improve the success rate of the disposable access of ingress waiting.
It should be noted that open duration can be adjusted according to practical application request, usually 30~120s, in the present embodiment Preferably 60s.
When routing node is in unlatching allows the state of networking function, the section of another ingress waiting is received again After point information, start reclocking after timing is zeroed, i.e., with the latter nodal information of ingress waiting receiving again Timing.
(3) ingress waiting networks to Zigbee network broadcast and asks beacon frame, and the request beacon frame that networks includes to be accessed The nodal information of node;
(4) routing node of the request beacon frame that networks is received by the nodal information of ingress waiting and the address pool of itself In nodal information matched, when the match is successful, to ingress waiting send response frame, in response frame include signal intensity And address information;
(5) ingress waiting receives response frame, and signal intensity selection signal in the response frame for receiving is most strong Routing node as purpose routing node, and the purpose routing node is accessed according to corresponding address information.
It should be noted that, access request beacon frame and response frame are all for the standard in Zigbee network is led in the present embodiment Letter form.
Specifically will be illustrated by taking the access procedure of node 1 as an example below, it is assumed that Zigbee network there are 3 routes during access Node, respectively telegon, router 1 and router 2, telegon 1 are also associated with a host computer.
Access procedure is as follows:
First, host computer is by nodal information (physical address) AA of node 1:BB:CC:DD:EE:FF:00:11 are sent to association Adjust device, telegon that the nodal information is broadcasted in Zigbee network;
Assuming that router 1 receives the nodal information, router 2 does not receive the nodal information.Now, router 1 will Stored in the nodal information writing address pond for receiving, and unlatching allows networking function, a length of 60s during unlatching;
If unlatching is allowed in the 60s of networking function, router 1 receives the access request beacon frame of node 1, then will be waiting The nodal information of ingress is matched with the nodal information in the address pool of itself, and the match is successful, and routing node 1 is to node 1 Response frame is sent, signal intensity and address information comprising routing node 1 in response frame, node 1 receive the response of routing node 1 Frame, and the purpose routing node is accessed according to corresponding address information.
The present embodiment also discloses a kind of node access device of Zigbee network, including:
Address broadcast module, the node letter of the ingress waiting for being broadcasted in the Zigbee network by telegon Breath;
Networking module is allowed, for routing node receiving node information and default address pool is write, and received Being opened after the nodal information allows networking function;
Beacon frame information module, networks to Zigbee network broadcast for ingress waiting and asks beacon frame, and network request Beacon frame includes the nodal information of ingress waiting;
Response frame sending module, is receiving ingress waiting after beacon frame is asked in the networking for routing node Nodal information is matched with the nodal information in the address pool of itself, and when the match is successful, is sent to ingress waiting and rung Frame is answered, signal intensity and address information are included in the response frame:
AM access module, response frame, and the signal intensity choosing in the response frame for receiving are received for ingress waiting The most strong routing node of signal is selected as purpose routing node, and the purpose routing node is accessed according to corresponding address information.
The node access device of the present embodiment is applied in Zigbee network, wherein, address broadcast module and response frame are sent out The Special Equipment for sending module to be integrated in each routing node, or can be communicated with routing node;Response frame sends Module and AM access module, the Special Equipment that can be integrated in ingress waiting, or can be communicated with ingress waiting.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to comprising these changes and modification.

Claims (10)

1. a kind of node cut-in method of Zigbee network, the Zigbee network includes routing node, and at least one Routing node is telegon, it is characterised in that including step:
(1) nodal information of ingress waiting is broadcasted in the Zigbee network by telegon;
(2) during routing node receives described nodal information and writes default address pool, and the nodal information is being received Opening afterwards allows networking function;
(3) ingress waiting networks to Zigbee network broadcast and asks beacon frame, and the networking request beacon frame includes treating The nodal information of access node;
(4) each receive it is described network request beacon frame routing node by the nodal information of ingress waiting and itself Nodal information in address pool is matched, and when the match is successful, response frame is sent to ingress waiting, is wrapped in the response frame Signal intensity and address information containing the routing node:
(5) ingress waiting receives response frame, and the most strong road of signal intensity selection signal in the response frame for receiving By node as purpose routing node, and the purpose routing node is accessed according to corresponding address information.
2. the node cut-in method of Zigbee network as claimed in claim 1, it is characterised in that wrapped in the Zigbee network The host computer communicated with the telegon is included, the nodal information is write for broadcast to the telegon by host computer.
3. the node cut-in method of Zigbee network as claimed in claim 1, it is characterised in that opened in the step (2) Open and also include when allowing networking function setting unlatching duration, described routing node allows the time of networking function to reach in unlatching Being automatically switched off after the unlatching duration of setting allows networking function.
4. the node cut-in method of Zigbee network as claimed in claim 3, it is characterised in that a length of 30 during described unlatching ~120s.
5. the node cut-in method of Zigbee network as claimed in claim 1, it is characterised in that the routing node is being allowed Networking function deletes the nodal information for receiving after closing from address pool.
6. a kind of node access device of Zigbee network, the Zigbee network includes routing node, and at least one Routing node is telegon, it is characterised in that including:
Address broadcast module, the nodal information for broadcasting ingress waiting in the Zigbee network by telegon;
Networking module is allowed, in receiving described nodal information and write default address pool for routing node, and is being received Being opened after to the nodal information allows networking function;
Beacon frame information module, networks to Zigbee network broadcast for ingress waiting and asks beacon frame, the networking Request beacon frame includes the nodal information of ingress waiting;
Response frame sending module, is receiving the node of ingress waiting after beacon frame is asked in the networking for routing node Information is matched with the nodal information in the address pool of itself, and when the match is successful, response frame is sent to ingress waiting, Signal intensity and address information comprising corresponding routing node in the response frame:
AM access module, response frame, and the signal intensity selection letter in the response frame for receiving are received for ingress waiting Number most strong routing node accesses the purpose routing node as purpose routing node according to corresponding address information.
7. the node access device of Zigbee network as claimed in claim 6, it is characterised in that in the Zigbee network also Including the host computer communicated with the telegon, described node access device also includes nodal information writing module, for Position machine writes the nodal information so that described address broadcast module is broadcasted to the telegon.
8. the node access device of Zigbee network as claimed in claim 6, it is characterised in that described to allow networking module also Duration is opened for being set when unlatching allows networking function, described routing node allows the time of networking function to reach in unlatching Being automatically switched off after to the unlatching duration of setting allows networking function.
9. the node access device of Zigbee network as claimed in claim 8, it is characterised in that a length of 30 during described unlatching ~120s.
10. the node access device of Zigbee network as claimed in claim 6, it is characterised in that described to allow networking module It is additionally operable to routing node and deletes the nodal information for receiving from address pool after allowing networking function to close.
CN201710048103.9A 2017-01-20 2017-01-20 The node cut-in method and device of a kind of Zigbee network Pending CN106851774A (en)

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CN110891273A (en) * 2019-11-19 2020-03-17 成都亿佰特电子科技有限公司 Wireless transparent transmission module interconnection and intercommunication method based on ZigBee3.0
CN114449553A (en) * 2022-01-18 2022-05-06 江苏国强兴晟能源科技有限公司 Communication method, device and system of photovoltaic support controller based on wisun protocol

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CN110418428A (en) * 2019-06-27 2019-11-05 芜湖康爱而电气有限公司 A kind of building method of communication device and ZigBee cellular network
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Application publication date: 20170613