CN110460996A - A kind of adaptive network system and method based on wireless communication - Google Patents
A kind of adaptive network system and method based on wireless communication Download PDFInfo
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- CN110460996A CN110460996A CN201910758477.9A CN201910758477A CN110460996A CN 110460996 A CN110460996 A CN 110460996A CN 201910758477 A CN201910758477 A CN 201910758477A CN 110460996 A CN110460996 A CN 110460996A
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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
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
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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 Networks & Wireless Communication (AREA)
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- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of adaptive network system and method based on wireless communication.The adaptive network system includes: network server, transceiver and terminal device；The network server is connected with transceiver by Ethernet or WIFI, and by the way that network wirelessly is added through transceiver, the terminal device is wirelessly connected after networking with transceiver terminal device.The present invention also provides the adaptive network methods based on wireless communication, it can be by each terminal device dynamic group net in region, realize easily networking, logout, roaming function, and the position of terminal device can be checked on network server, the functions such as communication between terminal device, near field identification also may be implemented.Network server and terminal device are connected to transceiver by the present invention, the transmitting of information is carried out by transceiver, it realizes and the equipment in region is managed collectively, the limitation in conventional wireless mechanics of communication to information transmission range is overcome, the equipment for solving the problems, such as different manufacturers cannot interconnect.
Description
Technical field
The present invention relates to wireless communication technique fields, particularly relate to a kind of adaptive network system based on wireless communication
System and method.
Background technique
Wireless communication is that the characteristic propagated in free space using electromagnetic wave signal carries out a kind of communication of information exchange
Mode.Wireless communication technique itself has many good qualities, and cost is relatively low, and wireless communication technique need not establish physical circuit, less uses
A large amount of manpower goes to be laid with cable, and wireless communication technique is not limited by industrial environment, the changing capability of Antagonistic Environment compared with
By force, fault diagnosis is also relatively easy to, and relative to the setting and maintenance of traditional wire communication, the maintenance of wireless network can pass through
Remote diagnosis is completed, more convenient；Scalability is strong, and when network needs to extend, wireless communication does not need extension wiring；Flexibility
By force, wireless network is not limited by environment terrain etc., and when use environment changes, and wireless network only needs to do seldom
Adjustment, just adapts to the requirement of new environment.In recent years, logical using relatively broad and short-distance wireless with preferable development prospect
Beacon standard has: Zig-Bee, bluetooth (Bluetooth), WiMAX (Wi-Fi) etc..
Do not have but as Internet of things hardware is more and more diversified, such as between the products such as air-conditioning, smart television, Intelligent bracelet
There is realization to interconnect, cannot be mutually distinguishable, the operation management to product is also fragmentation, and process compares when configuration equipment networks
It is cumbersome, need user repeatedly to participate in, user experience is simultaneously bad.In addition, when user passes through traditional wireless communication technique terminal
When equipment manipulates above-mentioned intelligent appliance, there is transmission range limitation.
Therefore, a kind of simple, convenient, efficient, the equipment of breakthrough distance limitation how is set up using wireless communication technique
Between adaptive network be those skilled in the art's urgent problem to be solved.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of adaptive network system based on wireless communication and sides
Each terminal device dynamic group net in region can be realized autonomous networking by method, and autonomous logout roams, and positions, communication, closely
The functions such as field identification.Expand the flexibility and ductility of Radio Network System.
According to one aspect of the present invention, a kind of adaptive network system based on wireless communication is provided, comprising: a net
Network server, at least a transceiver, one or more terminal devices.The network server and transceiver by Ethernet or
Person WIFI is connected, and can carry out both-way communication.Pass through wireless connection with transceiver after terminal device networking.
Network server stores and manages the electronic map of current region, the location information of transceiver and signal covering model
Information is enclosed, total routing table information is also stored in the network server, total routing table includes all transceivers in system
Virtual address, UUID, the facility information for all terminal devices that network segment and transceiver are connected, the facility information includes
The state of terminal device, UUID, user name, the information such as network segment；The network server is used to handle the request letter of transceiver upload
It ceases and issues control information to transceiver.
Transceiver, stores and manages transceiver routing table, and the transceiver routing table includes all terminals connected to it
The virtual address of equipment, status information and user information；The transceiver is deployed in the fixation position in space, collects located space
The wireless signal strength information that middle terminal device is sent, and send information to network server and positioned for equipment；The receipts
Hair device can also be broadcasted according to the instruction sending zone of server；The transceiver can also help terminal device to establish communication link
It connects, forwards communication request and Content of Communication etc..
Terminal device networks to transceiver application for establishing connection with transceiver and sends wireless communication to transceiver
Number strength information is for positioning, and the terminal device can also carry out communicate with other terminal devices and near field identifies.
Another aspect according to the present invention, provides a kind of adaptive network method based on wireless communication, and this method includes
Following steps:
Step S1: after the terminal device not networked enters region, connection is established with transceiver, net is added in terminal device by transceiver
Network；
Step S2: the terminal device to have networked obtains the signal strength information of connected transceiver in real time, judges whether to leave
The signal cover of transceiver, if so, by the terminal device logout；
Step S3: the function control information that the network server and terminal device that transceiver real time scan is connected are sent, and root
Relevant operation is executed according to control information.
Specifically, before step S1, the terminal device needs not networked are registered on network server, and registration information includes
The unique identifier information of terminal device, network segment information, username information.The unique identifier information is for identification when communicating
Facility information, the network segment information for effectively being divided when connecting with transceiver to region, use by the username information
Identification is carried out to purpose equipment when near field identifies.
Specifically, in step S1, it further includes for terminal device authentication, specific steps that transceiver is connect with terminal device before
It include: the network segment information that transceiver obtains terminal device to be connected by network server, when the network segment of terminal device includes
When the network segment of the transceiver, transceiver could establish connection with terminal device, otherwise cancel connection.
Specifically, strong for the signal that makes the terminal device to have networked obtain connected transceiver in real time before step S2
Information is spent, broadcast need to be sent into network system at interval of the set time after transceiver powers on.
Specifically, function control information described in step S3 is including, for example, the positioning of: terminal device, terminal device roaming, eventually
End equipment logout, terminal unit near-field identification, terminal device point-to-point communication.
The relevant operation of execution is as described below:
(1) terminal device positions
Transceiver of the network server into region issues positioning instruction, includes the terminal device for needing to position in instruction
UUID, the transceiver connecting with the terminal device send Location Request to terminal device, and the terminal device, which is opened to send, to be determined
Position message is broadcasted, and the signal strength information that multiple transceivers in region will receive the positioning broadcast of the terminal device is sent
To network server, network server is sat according to the position that the position of transceiver and signal broadcast intensitometer calculate terminal device
Mark.
Further, electronic map, the real time position of observable equipment are stored in advance in network server；
Further, map trigger event is pre-set in network server, when terminal device motion to trigger event place
When, it can trigger scheduled event.
(2) terminal device roams
Transceiver opens broadcast mode, sends heartbeat packet broadcast every Fixed Time Interval, terminal device opens scan pattern, often
Every the heartbeat packet broadcast of transceivers all in Fixed Time Interval scanning range, judge whether there is it in same time current region
His transceiver signal intensity is better than the transceiver signal intensity currently connected, if so, sending to the transceiver connected unrestrained
Exit instruction is swum, terminal device is removed routing table and the state of terminal device and data are reported to network clothes by the transceiver
Business device, the terminal device are roamed into instruction to the optimal transceiver transmission of signal strength, which is terminal device point
It with unique virtual address, is added into routing table, and the state of terminal device and data is reported to network server.It is no
Then, ignore the broadcast.
(3) terminal device logout
Transceiver of the network server into region issues logout instruction, includes the terminal device for needing logout in instruction
UUID, the transceiver connecting with the terminal device send logout requirement to terminal device, are moved out transceiver routing table, and
To network server uploaded state and data, terminal device is changed to not enter net state.
It optionally, also include that terminal device actively sends logout request instruction, transceiver root to transceiver in the above method
Transceiver routing table is matched according to terminal device virtual address, terminal device is removed into routing table, and report shape to network server
State and data, terminal device are changed to not enter net state.
(4) terminal unit near-field identifies
First terminal opening of device broadcast mode, sends near field identification request broadcast in real time, and second terminal opening of device scans mould
Formula, scanning to there is near field identification request broadcast, by the broadcast signal strength that receives of judgement whether setting signal strength
In threshold value, if being judged as that near field identifies equipment in threshold value, and unique near field connection is established therewith；If not in threshold value,
Ignore the broadcast.Further, it establishes after connection, first terminal equipment can send to second terminal equipment and identify with itself
Data packet is uploaded to the transceiver being attached thereto by the data packet of information, second terminal equipment, and the transceiver will be in data packet
Network server is passed to, network server inquires total routing table according to facility information and issues address name, identifies that first is whole
The identity information of end equipment.
(5) terminal device point-to-point communication
First terminal equipment obtains the UUID of second terminal equipment, and sends point-to- point communication to the first transceiver being attached thereto
Request wherein includes the UUID of second terminal equipment in point-to- point communication request；First transceiver is according to second terminal equipment
UUID inquiry transceiver routing table in second terminal equipment whether be connected under this transceiver, if so, communication request is straight
Switch through and issues second terminal equipment；Otherwise, communication request is uploaded to network server by first transceiver, network server according to
Total routing table information inquires the address for the second transceiver that second terminal equipment is connected, and communication request is sent to second
Transceiver forwards communication request to second terminal equipment by second transceiver.
Compared with prior art, the advantages and positive effects of the present invention are: it is of the invention it is a kind of based on wireless communication from
Network system and method are adapted to, each terminal device dynamic group net in region easily networking can be realized, logout, be overflow
The functions such as trip, and can check the position of terminal device on network server, also may be implemented between terminal device
The functions such as communication, near field identification.Network server and terminal device are connected to transceiver by the present invention, carry out letter by transceiver
The transmitting of breath is realized and is managed collectively to the equipment in region, is overcome in conventional wireless mechanics of communication and is transmitted to information
The limitation of distance, the equipment for solving the problems, such as different manufacturers cannot interconnect.
Detailed description of the invention
Fig. 1 is a kind of adaptive network system based on wireless communication of the present invention.
Fig. 2 is a kind of adaptive network method flow diagram based on wireless communication of the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
A kind of network system based on wireless communication of the invention, refering to what is shown in Fig. 1, include a network server, until
A few transceiver, one or more terminal devices.The network server is connected with transceiver by Ethernet or WIFI,
It can carry out both-way communication.Terminal device can communicate wirelessly after networking with transceiver.The transceiver is by network segment to system
Region is divided, such as includes transceiver 1 and transceiver 2 in the A of space, they belong to network segment one, include transmitting-receiving in space B
Device 3 and transceiver 4, they belong to network segment two, and the network segment of terminal device is set as network segment one, when entering space A, although can
To receive the information of transceiver 3 and transceiver 4, but connection will not be established with transceiver 3 and transceiver 4, it only can be with transmitting-receiving
The optimal transceiver of signal strength establishes connection in device 1 and transceiver 2.
The electronic map of current region, the location information and signal cover of transceiver are stored in the network server
Information, total routing table information is also stored in the network server, and total routing table includes all transceivers in system
The facility information for the terminal device that virtual address, UUID, network segment and transceiver are connected, the facility information are set comprising terminal
Standby state, UUID, user name, the information such as network segment.The network server be used for handle transceiver upload solicited message and
Control information is issued to transceiver, such as receives the equipment location information that transceiver is sent, matching is stored in the transceiver of itself
Signal strength information calculates transceiver at a distance from terminal device, according to the localization message that the multiple transceivers summarized are sent, meter
Calculate the location information of terminal device；The purpose equipment communication request information that transceiver is sent is received, the logical of purpose equipment is issued
Believe address, the Content of communciation etc. between forwarding device.
Transceiver routing table is stored in the transceiver, the transceiver routing table includes all terminals connected to it
The virtual address of equipment, status information and user information；The transceiver is deployed in the fixation position in space, collects located space
The wireless signal strength information that middle terminal device is sent, and send information to network server and positioned for equipment；The receipts
Hair device can also be broadcasted according to the instruction sending zone of server；The transceiver can also help terminal device to establish communication link
It connects, forwards communication request and Content of Communication etc..
The terminal device can be the intelligent terminals such as computer, mobile phone, IPAD, be also possible to the household with wireless module
Product such as TV, air-conditioning, the equipment such as water dispenser.The terminal device can send wireless signal strength message to transceiver after networking
For positioning, also transmittable communication request information, for being communicated with other equipment；The terminal device can also be set with other
It is standby to carry out near field identification etc..
It needs to be described in detail, wireless communication technique of the present invention is not limited to bluetooth, WIFI, Zig-Bee etc..
Fig. 2 is a kind of adaptive network method flow diagram based on wireless communication of the present invention, is mainly comprised the steps that
Step S201: after the terminal device not networked enters region, connection is established with transceiver, terminal device is added transceiver
Network.
Optionally, in step s 201, adaptive network is added by active network access mode in terminal device, specifically includes
Following steps:
A. the terminal device not networked initially enters broadcast state, sends the application broadcast that networks every the set time, wraps in broadcast
UUID and network segment containing terminal device, waiting are connected by transceiver, and broadcast state is exited if successful connection；
B. transceiver enters scanning mode, and active scan networks the device broadcasts of application, if device broadcasts network segment scan and
Transceiver network segment is identical, sends networking and invites, otherwise ignores the broadcast；
C. the networking that terminal device receives one or more transceivers is invited, and signal strength information is selected and receive
Optimal transceiver establishes connection；
D. the transceiver is that terminal device distributes unique virtual address, is added in routing table and is reported to network server.
Optionally, in step s 201, adaptive network is added by heuristic network access mode in terminal device, specific to wrap
Include following steps:
E. transceiver initially enters broadcast state, sends to network every the set time and invites broadcast, comprising transceiver in broadcast
Network segment information waits terminal device to reply；
F. the terminal device not networked enters scanning mode, and broadcast is invited in the networking in active scan region, if what is scanned is wide
Network segment is broadcast included in the network segment that equipment of itself is supported, then sends terminal to the strongest transceiver of broadcast signals feature value (RSSI)
The UUID of equipment；
G. the transceiver is that terminal device distributes unique virtual address, is added in routing table and is reported to network server.
Step S202: the terminal device to have networked obtains the signal strength information of connected transceiver in real time, and judgement is
The no signal cover for leaving transceiver, if so, by the terminal device logout.
Specifically, the exiting network process specifically includes:
H. terminal device sends the request of active logout to the transceiver having connected, and includes the virtual address of terminal device in request；
I. transceiver matches transceiver routing table according to virtual address, and terminal device is removed routing table, and to network server
Uploaded state and data；
J. terminal device is changed to not enter net state.
Step S203: the function control information that transceiver real time scan network server and terminal device are sent, and according to
It controls information and executes relevant operation.
It needs to be described in detail, above-mentioned function control information is for example are as follows: terminal device positioning, terminal device logout,
Terminal unit near-field identification, terminal equipment in communication.
The relevant operation of execution is as described below:
(1) terminal device positions
Transceiver of the network server into region issues positioning instruction, includes the terminal device for needing to position in instruction
UUID, the transceiver connecting with the terminal device send Location Request to terminal device, and the terminal device, which is opened to send, to be determined
Position message is broadcasted, and the signal strength information for the positioning broadcast for receiving the terminal device is sent net by the transceiver in region
Network server, network server calculate the position coordinates of terminal device according to the position of transceiver and signal broadcast intensitometer.
Further, electronic map, the real time position of observable equipment are stored in advance in network server；
Further, map trigger event is pre-set in network server, when terminal device motion to trigger event place
When, it can trigger scheduled event.
(2) terminal device roams
Transceiver opens broadcast mode, sends heartbeat packet broadcast every Fixed Time Interval, terminal device opens scan pattern, often
Every the heartbeat packet broadcast of transceivers all in Fixed Time Interval scanning range, judge whether there is it in same time current region
His transceiver signal intensity is better than the transceiver signal intensity currently connected, if so, sending to the transceiver connected unrestrained
Exit instruction is swum, terminal device is removed routing table and the state of terminal device and data are reported to network clothes by the transceiver
Business device, the terminal device are roamed into instruction to the optimal transceiver transmission of signal strength, which is terminal device point
It with unique virtual address, is added into routing table, and the state of terminal device and data is reported to network server.It is no
Then, ignore the broadcast.
(3) terminal device logout
Transceiver of the network server into region issues logout instruction, includes the terminal device for needing logout in instruction
UUID, the transceiver connecting with the terminal device send logout requirement to terminal device, are moved out transceiver routing table, and
To network server uploaded state and data, terminal device is changed to not enter net state.
It optionally, may be that terminal device actively sends logout request instruction, transceiver to transceiver in the above method
Transceiver routing table is matched according to terminal device virtual address, terminal device is removed into routing table, and report to network server
State and data, terminal device are changed to not enter net state.
(4) terminal unit near-field identifies
First terminal opening of device broadcast mode, sends near field identification request broadcast in real time, and second terminal opening of device scans mould
Formula, scanning to there is near field identification request broadcast, by the broadcast signal strength that receives of judgement whether setting signal strength
In threshold value, if being judged as that near field identifies equipment in threshold value, and unique near field connection is established therewith；If not in threshold value,
Ignore the broadcast.Further, it establishes after connection, first terminal equipment can send to second terminal equipment and identify with itself
Data packet is uploaded to the transceiver being attached thereto by the data packet of information, second terminal equipment, and the transceiver will be in data packet
Network server is passed to, network server inquires total routing table according to facility information and issues address name, identifies that first is whole
The identity information of end equipment.
(5) terminal device point-to-point communication
First terminal equipment obtains the UUID of second terminal equipment, and sends point-to- point communication to the first transceiver being attached thereto
Request wherein includes the UUID of second terminal equipment in point-to- point communication request；First transceiver is according to second terminal equipment
UUID inquiry transceiver routing table in second terminal equipment whether be connected under this transceiver, if so, communication request is straight
Switch through and issues second terminal equipment；Otherwise, communication request is uploaded to network server by first transceiver, network server according to
Total routing table information inquires the address for the second transceiver that second terminal equipment is connected, and communication request is sent to second
Transceiver forwards communication request to second terminal equipment by second transceiver.
In conclusion according to a kind of adaptive network and method based on wireless communication proposed by the present invention, it can be by area
Each terminal device dynamic group net in domain realizes the easily functions such as networking, logout, roaming, and can be in network service
The position of terminal device is checked on device, the functions such as communication between terminal device, near field identification also may be implemented.The present invention will
Network server and terminal device are connected to transceiver, and the transmitting of information is carried out by transceiver, is realized to setting in region
It is standby to be managed collectively, the limitation in conventional wireless mechanics of communication to information transmission range is overcome, solves different manufacturers
The problem of equipment cannot interconnect.
It is the detailed description to technical solution of the present invention above, and not limitation of the present invention, related technical field
Technical staff can also make a variety of changes and improve without departing from the spirit and scope of the present invention, therefore all
Equivalent technical solution also belongs to scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (6)
1. a kind of adaptive network system based on wireless communication, it is characterised in that: including a network server, at least one
Transceiver, one or more terminal devices；
The network server is connected with transceiver by Ethernet or WIFI, and both-way communication can be carried out；
The transceiver is connected with multiple terminal devices by wireless network, is carried out Message Processing to the control instruction received and is turned
Hair；
The terminal device can be used for receiving user input instruction, can be led to transceiver and other terminal devices after networking
News.
2. a kind of adaptive network system based on wireless communication according to claim 1, it is characterised in that:
Total routing table is stored in the network server, and manages the facility information of all transceivers and terminal device；
The transceiver is stored with transceiver routing table, manages the facility information of coupled terminal device；
Position, the signal strength information that terminal device is sent in collection space are fixed in the transceiver deployment in space.
3. a kind of adaptive network method based on wireless communication, which comprises the following steps:
After the terminal device not networked enters region, connection is established with transceiver, network is added in terminal device by transceiver；
The terminal device to have networked obtains the signal strength information of connected transceiver in real time, judges whether to leave transceiver
Signal cover, if so, by the terminal device logout；
The function control information that transceiver real time scan network server and terminal device are sent, and phase is executed according to the control information
Close operation.
4. a kind of adaptive network method based on wireless communication according to claim 3, it is characterised in that:
The terminal device not networked needs to register on network server before entering region, and registration information includes terminal
The unique identifier information of equipment, network segment information, username information.
5. a kind of adaptive network method based on wireless communication according to claim 3, it is characterised in that:
The terminal device and transceiver further include transceiver for terminal device authentication before establishing connection, and specific steps include:
Transceiver obtains the network segment information of terminal device to be connected by network server, when the network segment of terminal device includes institute
When stating the network segment of transceiver, transceiver could establish connection with terminal device, otherwise cancel connection.
6. a kind of adaptive network method based on wireless communication according to claim 3, it is characterised in that:
The function control information includes: terminal device positioning, terminal device roaming, terminal device logout, terminal unit near-field
Identification, terminal device point-to-point communication.
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| HYUNWOO KIM;YOUNGSIK KIM: ""Network coverage expansion in radio access network sharing"", 《2017 SIXTH INTERNATIONAL CONFERENCE ON FUTURE GENERATION COMMUNICATION TECHNOLOGIES (FGCT)》 * |
| 彭康等: "EasiARS:多模通信传感网的动态WiFi链路接入及自适应组网方法", 《计算机研究与发展》 * |
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