CN106162553B - The unrelated ZigBee physical location of topological structure identifies system and method - Google Patents
The unrelated ZigBee physical location of topological structure identifies system and method Download PDFInfo
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- CN106162553B CN106162553B CN201610559753.5A CN201610559753A CN106162553B CN 106162553 B CN106162553 B CN 106162553B CN 201610559753 A CN201610559753 A CN 201610559753A CN 106162553 B CN106162553 B CN 106162553B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0226—Traffic management, e.g. flow control or congestion control based on location or mobility
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Computer Security & Cryptography (AREA)
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Abstract
The invention discloses a kind of ZigBee physical locations that topological structure is unrelated to identify system and method, shield network layer topological connection relation, physical location is mutually separated with topological structure, identify equipment contiguous physical position, it realizes that physical location adjacent node is in communication with each other, solves the problems, such as that prior art adjacent node is difficult to realize directional data transmission.The unrelated ZigBee physical location mark system of topological structure includes that master controller system and multiple Zigbee protocol equipment do not change original topological structure and Ad hoc mode, do not influence ZigBee communication efficiency in the method for application layer setting station location marker；Device extension is good, is only handled in software application layer, does not increase hardware device, it is only necessary to it is configured according to label setting rule, it is easy to operate.
Description
Technical field
The invention belongs to embedded Internet of Things technical fields, are related to a kind of ZigBee physical location mark that topological structure is unrelated
Know system and method.
Background technique
With the development of technology of Internet of things, Zigbee protocol is as a kind of low cost, low-power consumption, low rate, closely with
And the radio communication system of high safety is used widely in internet of things field.In the various applications of ZigBee, location information
It is the important component of sensor data information.
Node locating is the key technology of wireless sensor network.In order to provide effective location information, random placement
Sensor node allows for postponing the position of determination itself in cloth.Due to wireless sensor network have node random placement,
The features such as interference that network dynamic, node resource are limited, communication is vulnerable to external environment, traditional localization method is difficult to realize
Effective position.Wireless sensor network positioning includes passing based on signal receiving strength, based on direction of arrival degree and based on signal
3 kinds of methods such as defeated time.Though existing location algorithm can determine the relative position or absolute position of node, realized
Journey is complex, and needs deployment reference mode in advance, sets the coordinate or number of reference mode.Installation process is easy
Mistake, and the adjacent node of physical location is difficult to realize information transmitting.
Different topological structures has important influence to the physics deployment of ZigBee node.The node being connected on network
Not representing physical location is adjacent node.Monitored especially for coal mine underground monitoring, gas piping monitoring, water quality of river,
The node deployments such as dam flood prevention or control observing and controlling, road traffic detection, Street lamps control are in chain topology distribution situation.How node phase is identified
Adjacent physical location becomes the key of chain topology application.
In ZigBee application, node identifies network identity by two kinds of different address types: the MAC Address of 64Bit
With the short address 16Bit of network layer.MAC Address by device manufacturer equipment dispatch from the factory when be arranged, can with one equipment of uniquely tagged,
But equipment is once damage, and after the alternate device more renewed, the MAC Address of physical location will change where also meaning that
Become.The short address 16Bit is randomly assigned when equipment networks by coordinator or parent device.Equipment can when networking again every time
It can all be assigned to different addresses.Both the above address information is only capable of indicating the network identity of node, and is easy to occur
Variation, therefore be not suitable for being used to mark specific physical location.
If being directly equipped with GPS receiver for each node, the cost, power consumption and volume of node will increase, and be not inconsistent
Close the requirement of wireless sensor network low cost low-power consumption.Therefore there is an urgent need to a kind of physical bits easy to use and safer
Tagging method solves the problems, such as this.
Summary of the invention
For above-mentioned problems of the prior art or defect, the object of the present invention is to provide a kind of topological structures
Unrelated ZigBee physical location identifies system and method, shields network layer topological connection relation, and physical location and topology are tied
Structure mutually separates, and identifies equipment contiguous physical position, realizes that physical location adjacent node is in communication with each other, it is adjacent to solve the prior art
Node is difficult to realize the problem of directional data transmission.
To achieve the above object, the present invention adopts the following technical scheme:
The unrelated ZigBee physical location of topological structure identifies system, including master controller system and multiple ZigBee association
Discuss equipment, wherein master controller system includes data information memory interface module, device talk interface module, command interaction
Interface module, equipment holder ID generation module, developer's identity registration and authentication module and data information management system；Its
In, Zigbee protocol equipment includes the MCU and nonvolatile memory of integrated Zigbee protocol；
Device talk interface module bind command interactive interface module, command interaction interface module connect data information memory
Interface module, data information memory interface module connect equipment holder ID generation module and data information management system；Exploitation
Person's identity registration and authentication module bind command interactive interface module and data information memory interface module, device talk interface mould
Block connects the MCU of integrated Zigbee protocol；
There are many data, a variety of data include the Basic Authentication information of developer and open for storage in data information management system
The equipment authentication information that originator is held；
Data information memory interface module provides the interface function of reading data, for reading in data information management system
Data and be transferred to developer's identity registration and authentication module；
Command interaction interface module is used to send the authentication information that developer inputs to developer's identity registration and certification
Module provides the interactive interface with developer；
Developer's identity registration and authentication module pass through the authentication information and data information pipe that the developer received inputs
Data in reason system, identity legitimacy and equipment to developer carry out safety certification for the legitimacy of developer, and will
Equipment is transferred to equipment holder by data information memory interface module for the security certification result of the legitimacy of developer
ID generation module；
Equipment holder ID generation module according to the equipment received for the security certification result of the legitimacy of developer,
Generate the device label of the Zigbee protocol equipment with encryption number；
Device talk interface module for master controller system to be connect with multiple Zigbee protocol equipment, be also used to by
Device label is written in the nonvolatile memory in Zigbee protocol equipment.
Specifically, the data information management system is deposited using text data exchange format such as XML or JSON text file
Storage, or use PostgreSQL database.
Specifically, command interaction interface module for developer's audit log and message informing display and developer to
Equipment sends the order for meeting specification, the acquisition including credible equipment essential information, the status information of modification record and equipment；
Command interaction interface module has instruction filter capacity, can shield dangerous illegal instruction and illegal command.
Specifically, device talk interface module covers a variety of ZigBee equipment acceptable communication protocols, device talk
Interface module is directly communicated with equipment or is communicated indirectly with log equipment by coordinator via ZigBee-network.
ZigBee physical location mark is carried out using the unrelated ZigBee physical location mark system of the topological structure
Method, comprising the following steps:
Step 1: initializing and log-on data information management system, and starts master controller system, and data information is deposited
Storage interface module is connect with data information management system；User interface of the developer in command interaction interface module logs in
Certification enters master controller system after obtaining legal identity with authentication module by developer's registration；
Step 2: registration packet is carried out to all Zigbee protocol equipment, developer passes through device talk interface module
It is connected to the MCU of the integrated Zigbee protocol in any one Zigbee protocol equipment, Zigbee protocol equipment is matched
Set operation, configuration operation specifically includes the following steps:
By developer's identity registration and authentication module, master controller system pacifies developer's identity legitimacy
Full certification, if current Zigbee protocol equipment is not yet by initialization, developer passes through developer's identity registration and certification mould
Block is initialized as holding equipment to current Zigbee protocol equipment: being generated by equipment holder's ID generation module with encryption number
The device label of word signature, and holder's password is set；
If current Zigbee protocol equipment has already passed through initialization, this Zigbee protocol equipment has been deposited in initialization
Holder's password is stored up, developer must only should by developer's identity registration and authentication module input authentication password
It authenticates in password and equipment in the case where stored holder's password match, developer could further grasp the equipment
Make, which includes checking already existing device label information, if there are mistakes for device label information, to equipment
Label information is modified；
Step 3: by device communication interface module, the device label that step 2 generates is written to Zigbee protocol and is set
In standby interior nonvolatile memory；
Step 4: removing the Zigbee protocol equipment currently connected, chooses a new Zigbee protocol equipment, weight again
Multiple step 1 obtains the device label of whole Zigbee protocol equipment, realizes the physics to Zigbee protocol equipment to step 3
The mark of position.
Compared with prior art, the present invention has following technical effect that
1, equipment holder ID generation module for Zigbee protocol equipment generate with encryption number device label come
Zigbee protocol equipment is identified, the safety that equipment uses is improved.
2, equipment holder information and packet label are saved and organizes interior relative position using nonvolatile memory and marked,
Guarantee the reliability of information.
3, in the method for application layer setting station location marker, do not change original topological structure and Ad hoc mode, do not influence
ZigBee communication efficiency.
4, device extension is good, is only handled in software application layer, does not increase hardware device.It only needs to set according to label
Rule is set to be configured, it is easy to operate.
Explanation and illustration in further detail is done to the solution of the present invention with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is the unrelated ZigBee physical location mark system structure diagram of topological structure of the invention；
Fig. 2 is central control system operational flowchart；
Fig. 3 is the device label structure chart of the unrelated ZigBee node physical location identification method of topological structure；
Fig. 4 is the neighbouring device label setting sample of the unrelated ZigBee node physical location identification method of topological structure.
Specific embodiment
In compliance with the above technical solution, referring to Fig. 1, the unrelated ZigBee physical location of topological structure of the invention identifies system
Including master controller system and multiple Zigbee protocol equipment, wherein master controller system includes that data information memory connects
Mouth mold block, device talk interface module, command interaction interface module, equipment holder ID generation module, developer's identity registration
With authentication module and data information management system；Wherein, Zigbee protocol equipment includes the MCU (monolithic of integrated Zigbee protocol
Machine) and nonvolatile memory.The device talk interface module bind command interactive interface module, command interaction interface module
Connect data information memory interface module, data information memory interface module connect equipment holder ID generation module sum number it is believed that
Cease management system；Developer's identity registration and authentication module bind command interactive interface module and data information memory interface mould
Block, device talk interface module connect the MCU of integrated Zigbee protocol.
There are many data, a variety of data include the Basic Authentication information of developer and open for storage in data information management system
The equipment authentication information that originator is held；The data information management system can be using existing text data exchange format such as
The text files memories such as XML, JSON also can choose existing PostgreSQL database, it should be noted that no matter which kind of side used
Formula all should carry out Safety Argumentation to the storage of data, guarantee that storage scheme is safe and reliable, it is proposed that text storage scheme makes
With a kind of existing encipherment scheme.
Data information memory interface module provides the interface function of reading data, for reading in data information management system
Data and be transferred to developer's identity registration and authentication module；The data information memory interface module is for holding equipment
Person ID generation module and command interaction interface module are connect with data information management system, provide the interface function of data access.
The data content of data information memory interface module access should include login ID, login authentication password, developer ID, point of addition
Group, the facility information held, the contents such as modification record and audit log.
Command interaction interface module provides the interactive interface of master controller system and developer, for inputting developer
Authentication information be sent to developer's identity registration and authentication module；The authentication information of developer's input includes the body to developer
The authentication information of the authentication information of part legitimacy and equipment for the legitimacy of developer；The command interaction module is used for system
The transmission of management and the order of data, provides the interactive interface with manager；Command interaction interface module is audited for developer
Log and the display of message informing and developer send the order for meeting specification to equipment, including credible equipment essential information
It obtains, modification record and the status information of equipment etc.；Command interaction interface module should have certain instruction filtering energy
Power can shield some dangerous illegal instructions and illegal command to a certain extent.
Developer's identity registration and authentication module pass through the authentication information and data information pipe that the developer received inputs
Data in reason system, identity legitimacy and equipment to developer carry out safety certification, exploitation for the legitimacy of developer
Through safety certification, developer could operate central control system the identity legitimacy of person；And by equipment for exploitation
The security certification result of the legitimacy of person is transferred to equipment holder's ID generation module by data information memory interface module；Only
Having could use master controller to operate held equipment by the developer of lawful registration, and developer needs after registration
It can be carried out subsequent effective operation to legitimate device by login interface login authentication rear.By the developer of login authentication,
Need to match holder information's password of held equipment write-in, only in certification password and equipment used in developer
In the case where holder's password match of storage, developer could carry out further operating to the equipment, otherwise master controller
It should refuse all command requests of developer.If current device is not yet by initialization, developer can be initial to the equipment
It turns to and holds equipment.
Equipment holder ID generation module according to the equipment received for the security certification result of the legitimacy of developer,
Generate the device label of the Zigbee protocol equipment with encryption number；Equipment holder's ID generation module is for being directed to
Zigbee protocol equipment generates the device label with encryption number；Equipment holder ID generation module should at least realize that equipment is held
The basic encryption and signature operation that the person of having ID is generated.When developer succeed in registration master controller should call automatically the module according to
Aforementioned password rule generates a set of certification password, and uses hash function ciphering signature, and equipment holder ID should use irreversible
Encipherment scheme prevents plaintext attack.The create-rule of equipment holder ID should use storage system ID+ developer ID+ currently be
Time+random number of uniting is as seed, it is contemplated that be usually embedded the capacity of formula device memory, generation length should control 256Bit with
It is interior.
Device talk interface module passes through networking for master controller system to be connect with multiple Zigbee protocol equipment
Mode the device label of generation is input to the MCU of the integrated Zigbee protocol in Zigbee protocol equipment, and by integrated
The MCU of Zigbee protocol is written in nonvolatile memory.Device talk interface module should cover one or more ZigBee
Equipment acceptable communication protocol includes serial communication modular.Device talk interface module can be communicated directly with equipment
Can be communicated indirectly with log equipment by coordinator via ZigBee-network, no matter which kind of communication plan, all by communication equipment
It need to can be used by authentication, expansible communication interface includes ICP/IP protocol interface and bluetooth communication interface.
The MCU of the integrated Zigbee protocol with device talk interface module for connecting, so that master controller system
System is connect with Zigbee protocol equipment；
The nonvolatile memory is used to store the device label generated；
The ZigBee physical location mark system unrelated using the topological structure of the invention carries out ZigBee physics
The method of station location marker, referring to fig. 2, comprising the following steps:
Step 1: then initialization and log-on data information management system first start master controller system, by data
Information memory interface module is connect with data information management system；User interface of the developer in command interaction interface module into
Row login authentication enters master controller system after obtaining legal identity；
Step 2: registration packet is carried out to all Zigbee protocol equipment, refers to setting all Zigbee protocols
Back-up is numbered at multiple groups, and to each group of setting；Developer (can choose through wired side by device talk interface module
Formula or wireless mode) it is connected to the MCU module of integrated Zigbee protocol in any one Zigbee protocol equipment, then carry out
To the configuration of Zigbee protocol equipment operation, configuration operation specifically includes the following steps:
By developer's identity registration and authentication module, master controller system pacifies developer's identity legitimacy
Full certification, if current Zigbee protocol equipment is not yet by initialization, developer passes through developer's identity registration and certification mould
Block carries out registration login, is initialized as holding equipment to current Zigbee protocol equipment: passing through equipment holder's ID generation module
The device label for having cryptographic digital signature is generated, realizes the binding of current Zigbee protocol equipment and developer, and be arranged one
A holder's password.Specific device label content include 16Bit directory index (low 8Bit record is purpose start offset amount,
High 8Bit be data check and, data check and whether be valid data for detection data), holder's password of 256Bit,
The device packets information (indicating grouping belonging to equipment) and the location components of 3 8Bit of 16Bit (indicates the equipment in grouping
The abscissa of equipment, ordinate and spatial vertical position coordinates are indicated in relative position respectively).
If current Zigbee protocol equipment has already passed through initialization, this Zigbee protocol equipment has been deposited in initialization
Holder's password is stored up, developer must be by developer's identity registration and authentication module in its login interface input authentication
In password, only the certification password and equipment in the case where stored holder's password match, developer could be to the equipment
Further operating is carried out, checks already existing device label information, if there are mistakes for device label information, information is carried out
Modification can not operate equipment if stored holder's password mismatches in the certification password and equipment.
Step 3: by device communication interface module, device label shown in Fig. 3 is written in Zigbee protocol equipment
Nonvolatile memory in.
Step 4: removing the Zigbee protocol equipment currently connected, chooses a new Zigbee protocol equipment, weight again
Multiple step 1 obtains the device label of whole Zigbee protocol equipment, realizes the physics to Zigbee protocol equipment to step 3
The mark of position.
Referring to fig. 4, according to the device label of write-in, phase is may be implemented in the location components difference 1 of physics adjacent position node
Data communication between neighbors.
Claims (5)
1. the unrelated ZigBee physical location of topological structure identifies system, which is characterized in that including master controller system and more
A Zigbee protocol equipment, wherein master controller system includes data information memory interface module, device talk interface mould
Block, command interaction interface module, equipment holder ID generation module, developer's identity registration and authentication module and data information pipe
Reason system；Wherein, Zigbee protocol equipment includes the MCU and nonvolatile memory of integrated Zigbee protocol；
Device talk interface module bind command interactive interface module, command interaction interface module connect data information memory interface
Module, data information memory interface module connect equipment holder ID generation module and data information management system；Developer's body
Part registration and authentication module bind command interactive interface module and data information memory interface module, device talk interface module connect
Meet the MCU of integrated Zigbee protocol；
There are many data for storage in data information management system, and a variety of data include Basic Authentication information and the developer of developer
The equipment authentication information held；
Data information memory interface module provides the interface function of reading data, for reading the number in data information management system
According to and be transferred to developer's identity registration and authentication module；
Command interaction interface module is used to send developer's identity registration and authentication module for the authentication information that developer inputs,
Interactive interface with developer is provided；
Developer's identity registration and authentication module pass through the authentication information and data information management system that the developer received inputs
Data in system, identity legitimacy and equipment to developer carry out safety certification for the legitimacy of developer, and by equipment
Equipment holder ID life is transferred to by data information memory interface module for the security certification result of the legitimacy of developer
At module；
Equipment holder ID generation module, for the security certification result of the legitimacy of developer, is generated according to the equipment received
The device label of Zigbee protocol equipment with encryption number；
Device talk interface module is also used to for master controller system to be connect with multiple Zigbee protocol equipment by equipment
Label is written in the nonvolatile memory in Zigbee protocol equipment；
The device label for realizing the physical location to Zigbee protocol equipment mark.
2. the unrelated ZigBee physical location of topological structure as described in claim 1 identifies system, which is characterized in that the number
Text data exchange format is used according to information management system, the text data exchange format is XML or JSON text file
Storage, or use PostgreSQL database.
3. the unrelated ZigBee physical location of topological structure as described in claim 1 identifies system, which is characterized in that order is handed over
Display and developer of the mutual interface module for developer's audit log and message informing send the life for meeting specification to equipment
It enables, the acquisition including credible equipment essential information, the status information of modification record and equipment；Command interaction interface module has
Filter capacity is instructed, dangerous illegal instruction and illegal command can be shielded.
4. the unrelated ZigBee physical location of topological structure as described in claim 1 identifies system, which is characterized in that equipment is logical
Communication interface module covers a variety of ZigBee equipment acceptable communication protocols, and device talk interface module is directly communicated with equipment
Or it is communicated indirectly with log equipment by coordinator via ZigBee-network.
5. the unrelated ZigBee physical location mark system of application topological structure described in claim 1 carries out ZigBee physical bit
The method for setting mark, which comprises the following steps:
Step 1: initializing and log-on data information management system, and starts master controller system, and data information memory is connect
Mouth mold block is connect with data information management system；User interface of the developer in command interaction interface module, which log in, recognizes
Card enters master controller system after obtaining legal identity with authentication module by developer's registration；
Step 2: registration packet is carried out to all Zigbee protocol equipment, developer is connected by device talk interface module
To the MCU of the integrated Zigbee protocol in any one Zigbee protocol equipment, the behaviour of the configuration to Zigbee protocol equipment is carried out
Make, configuration operation specifically includes the following steps:
By developer's identity registration and authentication module, master controller system carries out safety for developer's identity legitimacy and recognizes
Card, if current Zigbee protocol equipment is not yet by initialization, developer passes through developer's identity registration and authentication module pair
Current Zigbee protocol equipment is initialized as holding equipment: being generated by equipment holder's ID generation module with encryption number label
The device label of name, and holder's password is set；
If current Zigbee protocol equipment has already passed through initialization, this Zigbee protocol equipment has been stored in initialization
One holder's password, developer must pass through developer's identity registration and authentication module input authentication password, the only certification
In password and equipment in the case where stored holder's password match, developer could carry out further operating to the equipment,
The further operating includes checking already existing device label information, if there are mistakes for device label information, to equipment mark
Label information is modified；
Step 3: by device talk interface module, the device label that step 2 generates is written in Zigbee protocol equipment
Nonvolatile memory in；
Step 4: removing the Zigbee protocol equipment currently connected, chooses a new Zigbee protocol equipment again, repeats to walk
Rapid one, to step 3, obtains the device label of whole Zigbee protocol equipment, realizes the physical location to Zigbee protocol equipment
Mark.
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| US20130311220A1 (en) * | 2012-05-18 | 2013-11-21 | International Business Machines Corporation | Evaluating deployment readiness in delivery centers through collaborative requirements gathering |
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| CN102036215A (en) * | 2009-09-25 | 2011-04-27 | 中兴通讯股份有限公司 | Method and system for implementing internetwork roaming and query and network attachment method and system |
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