CN106982412A - A kind of data transmission network system and method - Google Patents
A kind of data transmission network system and method Download PDFInfo
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- CN106982412A CN106982412A CN201710198029.9A CN201710198029A CN106982412A CN 106982412 A CN106982412 A CN 106982412A CN 201710198029 A CN201710198029 A CN 201710198029A CN 106982412 A CN106982412 A CN 106982412A
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/36—Backward learning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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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
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of data transmission network system and method, by setting up data transmission network system, the system includes several network nodes, data send network node from data with broadcast mode in network system and sent to other network nodes, wherein, network node includes terminal device and corresponds to the wireless device of bridge joint therewith, terminal device sends data to the wireless device of correspondence bridge joint by bluetooth, wireless device is broadcasted to other network nodes after receiving data, realize and set up data transmission network system in the weak area of mobile communication signal, user is set more easily to be communicated using network.
Description
Technical field
The present invention relates to intelligent terminal technical field, more particularly to a kind of data transmission network system and method.
Background technology
It is well known that in the meagrely-populated area such as massif, jungle or desert, due to core communication network area coverage
Deficiency, wireless communication status is poor always, and mobile device is in these areas often in no signal condition.However as people
Increase for exploring demand naturally, as climbing the mountain, camping, desert is passed through etc., and activity also becomes more and more popular.In living environment phase
To severe region, it is a kind of primary demand ensured to inherently safe that communications status can be kept with other people.But at present, it is right
In the solution that communication is maintained in severe area, on the one hand come from the demand of the military or enterprise, for individual,
Either still to set up extra communication base station all too expensive and unpractical for satellite communication；On the other hand it is exactly operator
Communication base station is set up to maintain communication, and the network is a kind of distributed communication mode, each node in network is still needed
Communication is ensured to the maintenance for entering row information each other, while can be before proper communication, it is necessary in two nodes in two nodes
Between transmit substantial amounts of signaling and carry out network connection, when link circuit condition is poor, network can usually occur because of a large amount of packet losses
Clogging, causes communication normal.
Therefore, how in the meagrely-populated area such as massif, jungle or desert, data transmission network system is set up, is made
User is more easily communicated using network, is a good problem to study.
The content of the invention
In consideration of it, it is an object of the invention to provide a kind of data transmission network system and method, realizing in mobile communication
Data transmission network system is set up in the weak area of signal, user is more easily communicated using network.
According to foregoing invention purpose, the present invention provides a kind of data transmission network system, and the system includes several nets
Network node, the data send network node from data with broadcast mode and sent to other network nodes, wherein, the network section
Point includes terminal device and corresponds to the wireless device of bridge joint therewith, and the terminal device sends data to the correspondence by bluetooth
The wireless device of bridge joint, the wireless device is broadcasted to other network nodes after receiving the data.
Preferably, carried out data transmission between the network node of the system by Wi-Fi or ultrashort wave mode.
Preferably as the terminal device of transmitting terminal, for generating an interest message, the interest message includes a data
Label, the wireless device of correspondence bridge joint is sent data to by bluetooth.
Preferably, the data label includes the data label named with data content.
Preferably, the wireless device of bridge joint corresponding with the terminal device of the transmitting terminal, for obtaining the interest message,
And broadcast transmission other network nodes into system.
Preferably as the terminal device of receiving terminal, for the data label in the interest message, inquiry is described
Whether terminal device matches the data label,
If matching, according to the corresponding route of the data label, the terminal device is by a data message according to described
Route is reverse to send the wireless device bridged to the terminal device correspondence as transmitting terminal, and the data message includes described
Data label and data content；
If mismatching, the terminal device forwards the interest message to other network nodes according to forwarding interface.
Preferably, the wireless device of bridge joint corresponding with the terminal device of the transmitting terminal, is additionally operable to obtain the datagram
Text, and sent by bluetooth to the terminal device of the transmitting terminal.
Preferably, the terminal device of the transmitting terminal, is additionally operable to receive the datagram that the wireless device of correspondence bridge joint is sent
Text.
Preferably, the terminal device also includes Intelligent worn device, and the Intelligent worn device is sent by bluetooth and adopted
The data collected are to the terminal device.
According to foregoing invention purpose, the present invention also provides a kind of data transmission method, and methods described includes：
S1, generates an interest message, the interest message includes a data label, and leads to as the terminal device of transmitting terminal
Cross the wireless device that bluetooth sends data to correspondence bridge joint；
S2, the wireless device of bridge joint corresponding with the terminal device of the transmitting terminal obtains the interest message, and broadcast hair
Deliver to other network nodes in system；
S3, as data label of the terminal device of receiving terminal in the interest message, inquires about the terminal device
Whether the data label is matched；
S4, if matching, according to the corresponding route of the data label, by a data message according to the reverse hair of the route
Deliver to the wireless device that the terminal device correspondence as transmitting terminal is bridged, the data message include the data label and
Data content；
S5, if mismatching, the interest message is forwarded to other network nodes according to forwarding interface；
S6, the wireless device of bridge joint corresponding with the terminal device of the transmitting terminal obtains the data message, and pass through indigo plant
Tooth is sent to the terminal device of the transmitting terminal；
S7, the terminal device of the transmitting terminal receives the data message that the wireless device of correspondence bridge joint is sent.
Compared with prior art, a kind of data transmission network system and method for the invention, has the advantages that：Realize
In the area that the mobile communication signals such as massif, jungle or desert are weak, data transmission network system is set up, makes user more square
Just the use network system, is communicated, communication exchange；Traditional mobile networking is avoided due to the shakiness of physical facility simultaneously
Determine and cause network demand by the phenomenon of a large amount of delay disposals；The network system has flexibility, networking freedom and mobility
The characteristics of, no matter for personal application environment or industrial environment, existing solution can be replaced under several scenes,
The user in network system is set to communicate more convenient；Each network node in the data transmission network system is equality, is appointed
One network node of meaning can be selected as data set provider or data requester, and each network node can root
The processing such as forwarding storage are carried out to the packet transmitted in network according to the demand of oneself；Simultaneously as without one it is unified in
Heart node is controlled and unified planning to whole network system, the building process of the data transmission network system is easier, from
By.
Brief description of the drawings
Fig. 1 is a kind of structure chart of data transmission network system of one embodiment of the invention；
Fig. 2 is a kind of flow chart of data transmission method of one embodiment of the invention.
Embodiment
As how being referred in background technology in the meagrely-populated area such as massif, jungle or desert, data are set up
Transfers net system, makes user more easily be communicated using network, is question of common concern.
Therefore, the present invention is by setting up data transmission network system, and the system includes several network nodes, and data are in net
Network node is sent in network system from data with broadcast mode to send to other network nodes, wherein, network node includes terminal
Equipment and the wireless device for corresponding to bridge joint therewith, terminal device send data to the wireless device of correspondence bridge joint, nothing by bluetooth
Line equipment, which is received, to be broadcasted after data to other network nodes, is realized and is set up data transmission network in the weak area of mobile communication signal
Network system, makes user more easily be communicated using network.
Below by way of specific instantiation and embodiments of the present invention are described with reference to the drawings, those skilled in the art can
Understand the further advantage and effect of the present invention easily by content disclosed in the present specification.The present invention can also pass through other differences
Instantiation implemented or applied, the various details in this specification also can based on different viewpoints with application, without departing substantially from
Various modifications and change are carried out under the spirit of the present invention.
Before the present invention is introduced, first to the traditional network architecture and NDN, (Named Data Networking name number
According to network) it is introduced.
With network information resource explosive growth, number of nodes in network also rapid growth, traditional TCP/IP nets
The problems such as network is faced with IP address exhaustion, network efficiency step-down, disposes difficult especially under tactical environment in a mobile environment.IP
Network is due to the limitation of its protocol criteria, in reply network link packet loss that is unstable and occurring because hardware system is unreliable
During situation, it is desirable to which user obtains content by resending request.However as the increase of the network user, intermediate router to
The forwarding that center control dynamical system is carried out is also exponentially to increase, so as to result between user's request and data content return
The occurrence of longer time delay is waited.
The control of content distributing network (Content Delivery Network, the abbreviation CDN) central management that places one's entire reliance upon
System, this causes the wireless network user that geographical position is constantly converted to be asked during movement, it is necessary to send again and again and reconnect switching
The state for thinking server update oneself is sought, and network system then needs to make it in content-targeted transfer, distributed tasks portion again
The response such as administration.Repeat to send the service state of request at this point, CDN does not solve user fundamentally, user is still
Can be unstable due to mobile or link and repeat to send request and cause service node congestion, user, which remains unchanged, can face access for a long time
Without response or the result such as the load time is long.
In order to solve existing network framework produced problem, new generation network framework NDN concept is suggested, NDN
It is a kind of future network architecture centered on content.NDN networks no longer pay close attention to the physical address of network node, but with
Content is core, and ensure the safety of content, it is to avoid the thorny problem of existing network.In order to realize the think of of Tactical Internet
Think, be deployed in NDN networks instead of existing IP network framework in tactical environment, will not be by net caused by node motion
The influence of network topologies change, and more realize to high efficient and reliable the transmission of network data.
The present invention utilizes for the direct name of data to make requests on and the characteristics of content matching according to NDN networks, group
Build data transmission network system.
Fig. 1 is a kind of structure chart of data transmission network system of one embodiment of the invention.As shown in figure 1, the system
Including several network nodes, data send network node from data with broadcast mode and sent to other network nodes, wherein, net
Network node includes terminal device 10 and corresponds to the wireless device 11 bridged therewith, and terminal device 10 is sent data to pair by bluetooth
The wireless device 11 that should be bridged, wireless device 11 is broadcasted to other network nodes after receiving data.
In implementation process, the data transmission network system include several network nodes, using in NDN networks to data
Direct name make requests on this feature with content matching.When a transmission network node hair of data transmission network system
When sending data, the transmission network node generates an interest message, and the interest message carries a data mark for indicating the interest message
Label, and send with the forms of broadcasting other network nodes into network system.It is fixed that the data label, which is included using data content,
The label of justice.Other network nodes in system are received after the interest message, and the data label inquiry in interest message should
Whether network node has the data label of matching, if matching, inquires about the corresponding route of the data label in the network node,
The data message of network node one is inversely sent according to the route to network node is sent, and the data message includes identical number
According to label and data content；If mismatching, the network node forwards the interest message according to forwarding interface.The data transmission network
Carried out data transmission between each network node in system by ultrashort wave mode or Wi-Fi modes.
According to the technical scheme, the data transmitted in the data transmission network system are to be defined as label with data content
, there is no the address for including any equipment, such as IP address in packet.The number is set up in the weak area of mobile communication signal
According to transfers net system, user can not be influenceed to carry out in network service, data transmission network system by mobile communication signal
Each network node can be selected as data set provider or data requester, and each network node can root
The processing such as forwarding storage are carried out to the packet transmitted in network according to the demand of oneself；Simultaneously as without one it is unified in
Heart node is controlled and unified planning to whole network system, the building process of the data transmission network system is easier, from
By.
In specific implementation process, the network node in the data transmission network system includes terminal device 10 and right therewith
The wireless device 11 that should be bridged.Terminal device 10 is provided with bluetooth module, and the wireless of correspondence bridge joint is sent data to by bluetooth
Equipment 11, wireless device 11 is broadcasted to other network nodes after receiving data.
The embodiment of the present invention, when the terminal device as transmitting terminal sends data to the data transmission network
During other network nodes in system, the terminal device generates an interest message, and the interest message is included with data label, then
The wireless device of correspondence bridge joint is sent data to by bluetooth.The data label includes the label using data content as definition.Nothing
Line equipment is received after the interest message, other network nodes by ultrashort wave mode by the interest message broadcasting into network.
The wireless device bridged in system as the terminal device correspondence of receiving terminal, receives after the interest message, passes through indigo plant
Tooth sends the interest message to the terminal device of receiving terminal.Data label of the terminal device in interest message, inquiry should
Whether terminal device has the data label of matching, if matching, inquires about the corresponding route of the data label in the terminal device,
Using a data message, according to the route, inversely transmission is extremely used as the wireless of the corresponding bridge joint of the terminal device of transmitting terminal to the terminal device
Equipment, the data message includes identical data label and data content；If mismatching, the terminal device turns according to forwarding interface
The interest message is sent out to the antenna equipment of correspondence bridge joint, and is sent by the antenna equipment to other network nodes.
The wireless device of the terminal device correspondence bridge joint of transmitting terminal, obtains after data message, is sent by bluetooth to transmission
The terminal device at end.The terminal device of transmitting terminal, receives the data message that the wireless device of correspondence bridge joint is sent.
According to the technical scheme, in the area that is regional or being covered without signal of communication that signal of communication is weak, pass through and set up
The data transmission network system, in the network user word, voice communication etc. can be carried out by terminal device, make user it
Between can carry out communication exchange, bring great convenience to user；Simultaneously using larger ultrashort of coverage distance between network node
The mode that ripple mode is communicated, even if user's standoff distance is farther out, can also be communicated each other.
The yet another embodiment of the present invention, terminal device is mobile terminal device, supports bluetooth 4.0.Wireless device
Anneta module and bluetooth module are provided with, wherein, such as, Anneta module is the shortwave day that bandwidth 9.6kbps, wave band are 433mhz
Line, bluetooth module selection interface level 3.3V, supports bluetooth 2.0, the Bluetooth communication chip that 10 meters of coverage.The mobile terminal
Equipment and wireless device constitute the network node of data transmission network system.In the network node, mobile terminal device and nothing
Line equipment is carried out data transmission by bluetooth, and data are transmitted by ultrashort wave mode between each network node in network system.
Mobile terminal device sends data to wireless device by bluetooth, and wireless device is obtained after the data, is sent with broadcast mode
Other network nodes of the data into network system, so as to realize the transmission of data.In the technical scheme, the shifting of network node
Dynamic terminal device can carry out written communication, voice communication by network system, and mobile terminal device can also pass through network system
System carries out the information such as topic issue.For example, a concrete application scene of the present embodiment, in moving out of doors, outdoor member matches somebody with somebody
The mobile terminal and wireless device are put as outdoor gear.When in the weak area of movable signal, it is impossible to entered by movable signal
Row communication, outdoor member carries out written communication, speech exchange etc., so as to be implemented as by the outdoor gear with other members
Member between exchange and timely link up.
The still another embodiment of the present invention, terminal device also includes Intelligent worn device, and Intelligent worn device is collected
Data, and the collection data are sent to terminal device by bluetooth.In specific implementation process, the Intelligent worn device includes GPS
The fast device module of module, note and shock module, Intelligent worn device gathers the data of these modules, and is sent by bluetooth to terminal
Equipment, terminal device sends control signaling to Intelligent worn device also by bluetooth, realizes Intelligent worn device and terminal device
Between data acquisition and control.According to the technical scheme, terminal device, can be with regarding a local area as physical layer equipment
Network, local GPS module, note fast device module and shock module etc. by connecting, the data to local area network are acquired
And control.Terminal device carries out the transmission of data by data transmission network system as the node of data transmission network.
Fig. 2 is a kind of flow chart of data transmission method of one embodiment of the invention.As shown in Fig. 2 this method includes：
S201, generates an interest message, the interest message includes a data label, and leads to as the terminal device of transmitting terminal
Cross the wireless device that bluetooth sends data to correspondence bridge joint；
S202, the wireless device of bridge joint corresponding with the terminal device of transmitting terminal obtains interest message, and broadcast transmission is to being
Other network nodes in system；
S203, as data label of the terminal device of receiving terminal in interest message, inquiry terminal device whether
With the data label；
S204, if matching, according to the corresponding route of data label, a data message is inversely sent extremely according to the route
The wireless device bridged as the terminal device correspondence of transmitting terminal, data message includes the data label and data content；
S205, if mismatching, the interest message is forwarded to other network nodes according to forwarding interface；
S206, the wireless device of bridge joint corresponding with the terminal device of transmitting terminal obtains data message, and send by bluetooth
To the terminal device of transmitting terminal；
S207, the terminal device of transmitting terminal receives the data message that the wireless device of correspondence bridge joint is sent.
In summary, a kind of data transmission network system and method for the invention, by setting up the data transmission network system,
Realize in the weak area of mobile communication signal, user is more easily communicated；；The network system has flexibility, group
Net freedom and ambulant feature, make the user in network system communicate more convenient；Simultaneously as unified without one
Centroid is controlled and unified planning to whole network system, the building process of the data transmission network system is easier,
Freely.
Any those skilled in the art can repair under the spirit and scope without prejudice to the present invention to above-described embodiment
Decorations are with changing.Therefore, the scope of the present invention, should be as listed by claims.
Claims (10)
1. a kind of data transmission network system, it is characterised in that the system includes several network nodes, and the data are with wide
Broadcast mode from data send network node send to other network nodes, wherein, the network node include terminal device and with
Correspondence bridge joint wireless device, the terminal device by bluetooth send data to it is described correspondence bridge joint wireless device, institute
State after wireless device receives the data and broadcast to other network nodes.
2. data transmission network system as claimed in claim 1, it is characterised in that pass through between the network node of the system
Wi-Fi or ultrashort wave mode carry out data transmission.
3. data transmission network system as claimed in claim 2, it is characterised in that as the terminal device of transmitting terminal, be used for
An interest message is generated, the interest message includes a data label, sending data to the wireless of correspondence bridge joint by bluetooth sets
It is standby.
4. data transmission network system as claimed in claim 3, it is characterised in that the data label is included with data content
The data label of name.
5. data transmission network system as claimed in claim 4, it is characterised in that the terminal device with the transmitting terminal is corresponding
The wireless device of bridge joint, for obtaining the interest message, and broadcast transmission other network nodes into system.
6. data transmission network system as claimed in claim 5, it is characterised in that as the terminal device of receiving terminal, be used for
According to the data label in the interest message, inquire about whether the terminal device matches the data label,
If matching, according to the corresponding route of the data label, the terminal device is by a data message according to the route
Reverse to send the wireless device bridged to the terminal device correspondence as transmitting terminal, the data message includes the data
Label and data content；
If mismatching, the terminal device forwards the interest message to other network nodes according to forwarding interface.
7. data transmission network system as claimed in claim 6, it is characterised in that the terminal device with the transmitting terminal is corresponding
The wireless device of bridge joint, is additionally operable to obtain the data message, and send to the terminal device of the transmitting terminal by bluetooth.
8. data transmission network system as claimed in claim 7, it is characterised in that the terminal device of the transmitting terminal, is also used
The data message sent in the wireless device for receiving correspondence bridge joint.
9. data transmission network system as claimed in claim 8, it is characterised in that the terminal device also includes intelligence wearing
Equipment, the Intelligent worn device sends the data collected to the terminal device by bluetooth.
10. a kind of data transmission method, it is characterised in that methods described includes：
S1, generates an interest message, the interest message includes a data label, and passes through indigo plant as the terminal device of transmitting terminal
Tooth sends data to the wireless device of correspondence bridge joint；
S2, the wireless device of bridge joint corresponding with the terminal device of the transmitting terminal obtains the interest message, and broadcast transmission is extremely
Other network nodes in system；
Whether S3, as data label of the terminal device of receiving terminal in the interest message, inquire about the terminal device
Match the data label；
S4, if matching, according to the corresponding route of the data label, a data message is sent extremely according to the route is reverse
The wireless device that the terminal device correspondence as transmitting terminal is bridged, the data message includes the data label and data
Content；
S5, if mismatching, the interest message is forwarded to other network nodes according to forwarding interface；
S6, the wireless device of bridge joint corresponding with the terminal device of the transmitting terminal obtains the data message, and send out by bluetooth
Deliver to the terminal device of the transmitting terminal；
S7, the terminal device of the transmitting terminal receives the data message that the wireless device of correspondence bridge joint is sent.
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| CN201710198029.9A CN106982412A (en) | 2017-03-29 | 2017-03-29 | A kind of data transmission network system and method |
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| CN107948073A (en) * | 2017-11-21 | 2018-04-20 | 中南大学 | Radio data transmission method, apparatus and system based on NDN frameworks |
| CN108684024A (en) * | 2018-04-28 | 2018-10-19 | 上海与德通讯技术有限公司 | Blueteeth network system |
| CN109347712A (en) * | 2018-10-10 | 2019-02-15 | 重庆中车四方所智能装备技术有限公司 | A kind of network structure based on rail traffic |
| CN109587668A (en) * | 2018-12-28 | 2019-04-05 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Auxiliary means of communication, system and communication means between mobile terminal |
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