CN108650639A - Ad hoc network networking method and system - Google Patents
Ad hoc network networking method and system Download PDFInfo
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- CN108650639A CN108650639A CN201810330270.7A CN201810330270A CN108650639A CN 108650639 A CN108650639 A CN 108650639A CN 201810330270 A CN201810330270 A CN 201810330270A CN 108650639 A CN108650639 A CN 108650639A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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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
- H04W4/08—User group management
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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
- H04W4/12—Messaging; Mailboxes; Announcements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/20—Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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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
- H04W40/32—Connectivity information management, e.g. connectivity discovery or connectivity update for defining a routing cluster membership
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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)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of ad hoc network networking method and system, the networking method includes：Step 1：The networked information of current ad hoc network equipment is sent in same information group the group member of neighbours each other by interval preset time；Receive and forward in real time the networked information of each group member of adjacent group transmission；Step 2：It receives and information is forwarded to other group members by ad hoc network after Client-initiated information, and judge whether there is group member not receive described information in group；Step 3：Show the information that other group members initiate in the same information group received.The embodiment of the present invention is by making each group member in same information group share networked information and forwarding the information of failed cluster group member to server by the group member that networks, solve the problems, such as that ad hoc network equipment avenues of communication is single, make failed cluster group member that can also send out information and real-time reception information in time, and then can support the communication of diverse paths between ad hoc network and internet, reduce the communications cost of user.
Description
Technical field
The present invention relates to self-organized network communication technical field more particularly to a kind of ad hoc network networking method and systems.
Background technology
Many times, people can get into a difficult position because of that can not write to each other with the external world, such as go desolate and uninhabited
Place mountain-climbing, when going venture it is at this moment once stranded because often without mobile phone signal in these depopulated zones, danger will be absorbed in
Border.Ad hoc network equipment has the characteristics of signal transmission distance of overlength, allow people can no operator's signal place with
The external world is communicated.
Existing ad hoc network equipment has been able to complete basic ad-hoc network connection by proprietary rf channel.It is dynamic from one
State ad hoc network sends short message（Short message, data packet, voice packet, video data packet etc.）To other dynamic ad hoc network and interconnection
Net cloud, current existing standard Internet protocol are not met by this needs.One of reason be these ad hoc network equipment not always
It in the place for having operator's signal, is not always connect with internet cloud, and they do not support TCP/IP；The two of reason move
State ad hoc network is at low cost, or even free, and internet cloud needs to pay and could use.Free ad hoc network can be docked by having no at present
With the Internet protocol of payment internet cloud.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of ad hoc network networking method and system, so that
Support the communication of diverse paths between ad hoc network and internet.
In order to solve the above-mentioned technical problem, the embodiment of the present invention proposes a kind of ad hoc network networking method, is applied to from group
In net communication system, ad hoc network communication system includes the ad hoc network equipment and server of more progress networkings, and the ad hoc network is set
Standby includes the wireless communication module for connecting internet, and ad hoc network equipment connects Cloud Server by internet, including：
Step 1：The networked information of current ad hoc network equipment is sent in same information group neighbours each other by interval preset time
Group member；Receive and forward in real time the networked information of each group member of adjacent group transmission；
Step 2：Receive and information be forwarded to other group members by ad hoc network after Client-initiated information, and judge in group whether
There is group member not receive described information, if so, corresponding path is then found out out of ad hoc network according to preset path finding algorithm,
Described information is forwarded to the group member for having connected network in ad hoc network by ad hoc network, and waits sending by described by networking group member
The information reached is forwarded to server buffer forwarding；
Step 3：Show the information that other group members initiate in the same information group received, if repeating to receive identical information,
Then only shown once to user.
Correspondingly, the embodiment of the present invention additionally provides a kind of ad hoc network networked system, including：
Module 1：Current networked information is sent in same information group the group member of neighbours each other by interval preset time；It receives simultaneously
The networked information of each group member of adjacent group transmission is forwarded in real time；
Module 2：Receive and information be forwarded to other group members by ad hoc network after Client-initiated information, and judge in group whether
There is group member not receive described information, if so, corresponding path is then found out out of ad hoc network according to preset path finding algorithm,
Described information is forwarded to the group member for having connected network in ad hoc network by ad hoc network, and waits sending by described by networking group member
The information reached is forwarded to server buffer forwarding；
Module 3：Show the information that other group members initiate in the same information group received, if repeating to receive identical information,
Then only shown once to user.
The embodiment of the present invention is by proposing a kind of ad hoc network networking method and system, the method includes the steps 1 ~ step 3,
By making each group member in same information group share networked information and forwarding the information of failed cluster group member extremely by the group member that networks
Server solves the problems, such as that ad hoc network equipment avenues of communication is single, makes failed cluster group member that can also send out information and reality in time
When receive information, and then can support the communication of diverse paths between ad hoc network and internet, reduce the communications cost of user.
Description of the drawings
Fig. 1 is the flow diagram of the ad hoc network networking method of the embodiment of the present invention.
Fig. 2 is the information transfer path schematic diagram of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the ad hoc network networked system of the embodiment of the present invention.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
It mutually combines, invention is further described in detail in the following with reference to the drawings and specific embodiments.
If directional instruction in the embodiment of the present invention（Such as up, down, left, right, before and after ...）It is only used for explaining at certain
One particular pose（As shown in the picture）Under relative position relation, motion conditions etc. between each component, if the particular pose is sent out
When raw change, then directionality instruction also correspondingly changes correspondingly.
If in addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as
It indicates or implies its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.
Fig. 1 is please referred to, the ad hoc network networking method of the embodiment of the present invention is applied in ad hoc network communication system, includes mainly
Step 1 ~ step 3.Ad hoc network communication system includes the ad hoc network equipment of more progress networkings（That is group member）And server, it is described from
Networking equipment includes the wireless communication module for connecting internet, and ad hoc network equipment connects Cloud Server by internet.
Step 1：The networked information of current ad hoc network equipment is sent in same information group by group member interval preset time
The group member of neighbours each other；Receive and forward in real time the networked information of each group member of adjacent group transmission（Such as from which group,
How many member of group, from which region etc.）.Each group member can initiate and forwarding information.Preset time is usually small
Respective networked information is updated at interval of a period of time in each group member in 30S, information group, facilitates the group member of failed cluster quick
Find the group member to network by ad hoc network connection after optimal path, and then Connection Service device.
Step 2：It receives and information is forwarded to other group members by ad hoc network after Client-initiated information, and judge in group
Whether there is group member not receive described information, if so, then being found out out of ad hoc network according to preset path finding algorithm corresponding
Described information, is forwarded to the group member that network is had connected in ad hoc network by ad hoc network by path, and by networking group member by institute
It states information to be sent to and is forwarded to server buffer forwarding.The information of the embodiment of the present invention is first in low cost（Freely）From group
Transmission, if still there is group member not receive information, can just pass through internet in net（Payment）Complete transmission；Foundation of the embodiment of the present invention
Region and cost variance complete transmission in ad hoc network and mobile Internet using diverse paths.For example, the letter each initiated
Breath sending time can be divided into two time windows（Such as:First window is 5 seconds, and second window is 30 seconds）；At first
Between in window, find out all possible paths in the ad hoc network of low cost, receive and forward letter in ad hoc network by each group member
Breath saves cost；In first time window, if information fails to be sent to all group members completely, at second
Between window then by network group member send information to high in the clouds（Server）, information is passed to same ensemble by server relay
Another region of group.
Step 3：The information that other group members initiate in the same information group received is shown, if repeating to receive identical letter
Breath is then only shown once to user.Same group member is possible to repeat to receive identical information, but no matter receives how many times, only meeting
It is shown once to user；But to be transmitted to another adjacent group member one or many for identical information.
As an implementation, further include authenticating step before step 1：Server receives and preserves networking group member and uploads
Information group information and information group in the current networked information of each group member, each group member is divided by not same district according to geographical location
Domain.Each group member in unified information group is divided into different zones by the embodiment of the present invention, and each group member of different zones may be implemented
Between communication and establish information group, for example, the ad hoc network equipment user in Shanghai and Beijing two places, the same city in Shanghai or Beijing
Group member between can by ad hoc network realize interconnect, when in Shanghai and Pekinese group member there are one network group member, then can be real
The now interconnection between the group member and Pekinese group member in Shanghai communicates.
As an implementation, further include caching step after step 2：The same information group Intranet of server buffer
The information to be sent to that group member sends, and described information is sent to by corresponding group member by network.The embodiment of the present invention passes through
By information cache to be sent to, the group member convenient for can not currently connect any adjacent group member or server is networking or is connecting some
The case where information can be received after adjacent group member, avoid the occurrence of drain message.For example, first, third, fourth, 4 tour pals pass through it is each
From ad hoc network equipment establish information group, wherein be networking group member, first initiate an information by ad hoc network be sent to,
Third, but fourth can not temporarily connect other group members and server, after having spent a period of time, fourth can connect third or server,
Then fourth can receive the information that the first of server buffer is initiated.
As an implementation, further include after caching step：
Forward step：The information to be sent to that server is sent is received, and described information is forwarded to by same area by ad hoc network
The group member that other do not receive information in domain.
Example：As shown in Fig. 2, information group include group member 1, group member 2 ... group member 9, and server is by group in information group
Member is divided into two different zones in a-quadrant and B area, wherein a-quadrant includes the group member 1 connected between each other by ad hoc network, group
Member 2, group member 3, group member 4, and group member 2 are networking group member, and group member 2 passes through network Connection Service device；B area includes logical between each other
Group member 5, group member 6, group member 7, group member 8 and the group member 9 of ad hoc network connection are crossed, group member 7 is networking group member, and group member 7 is connected by network
Connect server.When group member 1 user initiate message to group member 4, i.e., group member 3 is sent a message to by the ad hoc network of a-quadrant（
In first time window）, group member 3 is forwarded to group member 4；When the user of group member 1 initiates message to group member 9, by a-quadrant from
Group member 9 is not found in networking（In first time window）, then group member 2 is sent a message to by group member 3（In second time
In window）, group member 2（If there is multiple networking group members, then the low group member of tariffs selectable forwards the messages to server）By message
It is forwarded to server（In second time window）, server sends a message to group member 7 by network, and group member 7 passes through again
Ad hoc network sends a message to group member 9；As all members in user's initiation message to information group of group member 1, a-quadrant is first passed through
Ad hoc network send a message to all group members in a-quadrant（In first time window）, then by group member 2 forwarded message
To server（In second time window）, server sends a message to group member 7, so by message by B area from
Networking forwards the messages to all group members in B area.
As an implementation, step 2 includes confirming sub-step：Using preset algorithm to Client-initiated information into
Row digital signature, and whether the information that the group member judged in group by verifying digital signature is received is complete, if otherwise
Information is retransmitted to the group member.Preset algorithm is MD5, sha-1, RIPEMD and Haval scheduling algorithm.As fingerprint,
The embodiment of the present invention ensures the uniqueness of the information sent, each word of this digital signature and information with shorter information
Section is all related, and is difficult to find that reverse rule；Therefore, when original information changes, value of statistical indicant can also change.
Ad hoc network communication system in actual application, when group member is interrupted and other group members or server in the way for receiving information
When connection, then it will appear and receive that information is imperfect and other group members and server take for the information leakage that other side has received information
Receive situation；The embodiment of the present invention judges whether received information is complete, can effectively prevent out by verifying digital signature
Situation is received in existing information leakage, while the full content for avoiding passing through the information to being received is verified to judge received information
It is whether complete；In addition, the embodiment of the present invention is greatly saved verification and is received by using the short feature of digital signature information content
The flow spent required for whether the information arrived is complete, while reducing the load of server.
Fig. 3 is please referred to, the ad hoc network networked system of the embodiment of the present invention includes mainly module 1, module 2, module 3.Module
1, module 2, module 3 are applied in ad hoc network equipment.
Module 1：Current networked information is sent in same information group the group member of neighbours each other by interval preset time；It connects
Receive and forward in real time the networked information of each group member of adjacent group transmission.
Module 2：It receives and information is forwarded to other group members by ad hoc network after Client-initiated information, and judge in group
Whether there is group member not receive described information, if so, then being found out out of ad hoc network according to preset path finding algorithm corresponding
Described information, is forwarded to the group member that network is had connected in ad hoc network by ad hoc network by path, and by networking group member by institute
It states information to be sent to and is forwarded to server buffer forwarding.
Module 3：The information that other group members initiate in the same information group received is shown, if repeating to receive identical letter
Breath is then only shown once to user.
As an implementation, ad hoc network networked system further includes authentication module：Server receives and preserves networking group
Each group member, is divided by the current networked information of each group member according to geographical location in the information group information of member's upload and information group
Different zones.
As an implementation, ad hoc network networked system further includes cache module：The same information group of server buffer
The information to be sent to that Intranet group member sends, and described information is sent to by corresponding group member by network.
As an implementation, ad hoc network networked system further includes forwarding module：What reception server was sent waits being sent to
Information, and described information is forwarded in the same area by other group members for not receiving information by ad hoc network.
As an implementation, module 2 includes confirming submodule：Using preset algorithm to Client-initiated information into
Row digital signature, and whether the information that the group member judged in group by verifying digital signature is received is complete, if otherwise
Information is retransmitted to the group member.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention are limited by appended claims and its equivalency range.
Claims (10)
1. a kind of ad hoc network networking method is applied in ad hoc network communication system, ad hoc network communication system includes more and carries out group
The ad hoc network equipment and server of net, the ad hoc network equipment include the wireless communication module for connecting internet, ad hoc network
Equipment connects Cloud Server by internet, which is characterized in that the method includes：
Step 1：The networked information of current ad hoc network equipment is sent in same information group neighbours each other by interval preset time
Group member；Receive and forward in real time the networked information of each group member of adjacent group transmission；
Step 2：Receive and information be forwarded to other group members by ad hoc network after Client-initiated information, and judge in group whether
There is group member not receive described information, if so, corresponding path is then found out out of ad hoc network according to preset path finding algorithm,
Described information is forwarded to the group member for having connected network in ad hoc network by ad hoc network, and waits sending by described by networking group member
The information reached is forwarded to server buffer forwarding；
Step 3：Show the information that other group members initiate in the same information group received, if repeating to receive identical information,
Then only shown once to user.
2. ad hoc network networking method as described in claim 1, which is characterized in that further include before the step 1：
Authenticating step：Server receive and preserve networking group member upload information group information and information group in each group member it is current
Networked information, each group member is divided by different zones according to geographical location.
3. ad hoc network networking method as claimed in claim 2, which is characterized in that further include after the step 2：
Caching step：The information to be sent to that the same information group Intranet group member of server buffer sends, and will by network
Described information is sent to corresponding group member.
4. ad hoc network networking method as claimed in claim 3, which is characterized in that further include after the caching step：
Forward step：The information to be sent to that server is sent is received, and described information is forwarded to by same area by ad hoc network
The group member that other do not receive information in domain.
5. ad hoc network networking method as described in claim 1, which is characterized in that the step 2 includes：
Confirm sub-step：Client-initiated information is digitally signed using preset algorithm, and by verifying digital signature
Whether the information received come the group member judged in group is complete, if otherwise retransmitting information to the group member.
6. a kind of ad hoc network networked system, which is characterized in that including：
Module 1：Current networked information is sent in same information group the group member of neighbours each other by interval preset time；It receives simultaneously
The networked information of each group member of adjacent group transmission is forwarded in real time；
Module 2：Receive and information be forwarded to other group members by ad hoc network after Client-initiated information, and judge in group whether
There is group member not receive described information, if so, corresponding path is then found out out of ad hoc network according to preset path finding algorithm,
Described information is forwarded to the group member for having connected network in ad hoc network by ad hoc network, and waits sending by described by networking group member
The information reached is forwarded to server buffer forwarding；
Module 3：Show the information that other group members initiate in the same information group received, if repeating to receive identical information,
Then only shown once to user.
7. ad hoc network networked system as claimed in claim 6, which is characterized in that further include authentication module：Server receives simultaneously
The networked information that each group member is current in the information group information and information group that networking group member uploads is preserved, it will according to geographical location
Each group member is divided into different zones.
8. ad hoc network networked system as claimed in claim 7, which is characterized in that further include cache module：Server buffer is same
The information to be sent to that one information group Intranet group member sends, and described information is sent to by corresponding group member by network.
9. ad hoc network networked system as claimed in claim 8, which is characterized in that further include forwarding module：Receive server hair
The information to be sent to sent, and described information is forwarded in the same area by other group members for not receiving information by ad hoc network.
10. ad hoc network networked system as claimed in claim 6, which is characterized in that the module 2 includes：
Confirm submodule：Client-initiated information is digitally signed using preset algorithm, and by verifying digital signature
Whether the information received come the group member judged in group is complete, if otherwise retransmitting information to the group member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810330270.7A CN108650639A (en) | 2018-04-13 | 2018-04-13 | Ad hoc network networking method and system |
| PCT/CN2018/095116 WO2019196218A1 (en) | 2018-04-13 | 2018-07-10 | Self-organizing network networking method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810330270.7A CN108650639A (en) | 2018-04-13 | 2018-04-13 | Ad hoc network networking method and system |
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| CN108650639A true CN108650639A (en) | 2018-10-12 |
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| CN201810330270.7A Pending CN108650639A (en) | 2018-04-13 | 2018-04-13 | Ad hoc network networking method and system |
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| WO (1) | WO2019196218A1 (en) |
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|---|---|---|---|---|
| CN111866193A (en) * | 2020-09-24 | 2020-10-30 | 绿漫科技有限公司 | System and method for receiving and sending information without network for property personnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904890B (en) * | 2021-09-30 | 2023-01-24 | 珠海格力电器股份有限公司 | Linkage method, device and equipment of chopping block disinfection machine |
| CN114760629B (en) * | 2022-04-13 | 2024-03-15 | 北京优全智汇信息技术有限公司 | Insurance data transmission method and transmission system |
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| WO2019196218A1 (en) | 2019-10-17 |
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