CN105682012A - Data transmission method, mobile sensing node and data transmission system - Google Patents
Data transmission method, mobile sensing node and data transmission system Download PDFInfo
- Publication number
- CN105682012A CN105682012A CN201610202041.8A CN201610202041A CN105682012A CN 105682012 A CN105682012 A CN 105682012A CN 201610202041 A CN201610202041 A CN 201610202041A CN 105682012 A CN105682012 A CN 105682012A
- Authority
- CN
- China
- Prior art keywords
- data
- mobile sensor
- destination path
- wap
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a data transmission method, a mobile sensing node and a data transmission system. The method is characterized in that a user receives and processes first target data to be received in the moving path thereof through a mobile sensing device thereof; and when the user moves into a wireless range of a wireless access point, the wireless access point is utilized to send data to be uploaded and stored in the mobile sensing device to a server node. Through the method, the mobile sensing device of the user can realize data exchange and transmission between mobile sensing devices through a free opportunity network ( such as a close-range sensor network of bluetooth and the like) formed by the mobile sensing device of the user and other sensing devices on the moving path thereof, and when the user moves to the corresponding wireless access point, the data can be sent to the server node through the wireless access point. A data transmission scheme based on the free opportunity network is realized, so that enthusiasm of the user participating in information providing can be effectively improved, and mobile group intelligence perception application quality is improved.
Description
Technical field
The invention belongs to mobile gunz aware application field, particularly relate to a kind of data transmission method, mobile sensor node and data transmission system.
Background technology
Mobile intelligent perception is perception focusing on people, and it utilizes and carries perception, calculating and the Mobile user perception of communication capacity equipment, collection, payment information to provide universal service.
Nowadays, along with the development of the mobile terminals such as smart mobile phone is with universal, the application of mobile intelligent perception is day by day risen, smart mobile phone, onboard sensor equipment etc. is utilized to have the mobile sensor equipment of excellent perception and wireless communication ability, people can carry out large-scale distributed information gathering in daily moving process, it is achieved provides data message endlessly for widely applying with decision-making. Such as, utilize the relevant information that participant provides to carry out traffic congestion prediction and planning, the structure etc. of information prediction, the monitoring of city carbon dioxide, city noise scattergram is arrived at a station in public transport. The realization of mobile gunz aware application, the mobile sensor equipment such as the smart mobile phone utilizing people to carry are needed to gather information, then by wireless network, the information of collection being sent to data service center, on this basis, data are analyzed processing and carrying out decision-making by data service center.
At present, it is generally adopted based on 3G/4G (3rd-Generation/4th-Generation, three/forth generation mobile communication technology) the Point-to-Point Data Transmission mode of mobile network, realize data acquisition of terminal to the uploading of data service center, pay, it it is currently non-free service due to 3G/4G network, informant submits to and need to consume it during information based on the customized network traffics of certain expense, thus informant can be reduced participate in the enthusiasm that information provides and then the application quality of the mobile intelligent perception of impact.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of data transmission method, mobile sensor node and data transmission system, it is intended to by realizing a kind of data transmission scheme based on free opportunity network, promote user and participate in the enthusiasm that information provides, and then promote the application quality of mobile intelligent perception.
For this, the following technical scheme of disclosure:
A kind of data transmission method, including:
Obtain source position and the destination locations of mobile sensor equipment user;
Determine the destination path between described source position and described destination locations, and show described destination path; Described destination path includes WAP;
Judge whether described mobile sensor equipment user adopts described destination path to move;
If, then receive and process first object data to be received on described destination path, and when described mobile sensor equipment user moves to the wireless range of described WAP, utilize described WAP to send the second target data to be uploaded in described mobile sensor equipment to server node.
Said method, it is preferable that described destination path is: include the shortest path of WAP between described source position and described destination locations.
Said method, it is preferable that described first object data include: treat the data to be forwarded of other mobile sensor equipment on sensing data and described destination path on described destination path; Described second target data includes: the sensing data of described mobile sensor equipment self and the forwarding data from other mobile sensor equipment.
Said method, it is preferable that described first object data include coding vector and first with for information, then described reception the first object data to be received that process on described destination path include:
When meeting pre-conditioned, receive the first object data on described destination path; Wherein, described pre-conditioned it is: the coding vector of described first object data and second is with the coefficient matrix nonlinear correlation for information, wherein, described second with being that stored in described mobile sensor equipment with described first object data the same generation information for information;
Described first object data carry out predetermined network code process, encoded data accordingly, and store described coding data.
Said method, it is preferable that described network code processes as random linear network encoding.
A kind of mobile sensor node, has and the mobility of user's synchronised in movement, and described node includes:
Position acquisition module, for obtaining source position and the destination locations of user;
Path determination module, for determining the destination path between described source position and described destination locations, and shows described destination path; Described destination path includes WAP;
Judge module, is used for judging whether user adopts described destination path to move;
Data transmission and processing module, for when judged result is for being, receive and process first object data to be received on described destination path, and when user moves to the wireless range of described WAP, utilize described WAP to send the second target data to be uploaded in described mobile sensor node to server node.
Above-mentioned mobile sensor node, it is preferable that described first object data include coding vector and first with for information, then described data transmission and processing module includes:
Data receipt unit, for when meeting pre-conditioned, receiving the first object data on described destination path; Wherein, described pre-conditioned it is: the coding vector of described first object data and second is with the coefficient matrix nonlinear correlation for information, wherein, described second with being that stored in described mobile sensor equipment with described first object data the same generation information for information;
Data encoding unit, processes for described first object data carry out predetermined network code, is encoded data accordingly, and store described coding data.
A kind of data transmission system, including WAP, server node and mobile sensor node as above, wherein:
Described mobile sensor node uploads data by described WAP to described server node.
Said system, it is preferable that the data that described mobile sensor node is uploaded are: through presetting the coding data that network code processes, then described server node is used for:
Described coding decoding data is processed, obtains the sensing data that can distinguish; And the described sensing data distinguished is carried out required analyzing and processing and decision-making.
Said system, it is preferable that described WAP is Wireless Fidelity Wi-Fi Hotspot.
From above scheme, in data transmission method disclosed in the present application, user receives and processes first object data to be received on its mobile route by its mobile sensor equipment, and when moving to the wireless range of WAP, utilize described WAP to send the data to be uploaded stored in mobile sensor equipment to server node. during visible application the application, the mobile sensor equipment of user can by the free opportunity network (such as the closely sensing network such as bluetooth) of composition between other sensing equipments on its mobile route, move the data exchange between sensing equipment, transmission, and can when mobile extremely corresponding wireless access (such as Wi-Fi hotspot etc.) point, described WAP is utilized to pay data to server node, thus, the application achieves a kind of data transmission scheme based on free opportunity network, can effectively promote user and participate in the enthusiasm that information provides, and then promote the application quality of mobile intelligent perception.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the data transmission method flow chart that the embodiment of the present invention one provides;
Fig. 2 is the data transmission method flow chart that the embodiment of the present invention two provides;
Fig. 3-Fig. 4 is the structural representation of the mobile sensor node that the embodiment of the present invention three provides.
Detailed description of the invention
For the purpose of quoting and know, the technical term that is used below, write a Chinese character in simplified form or summary of abridging is explained as follows:
Weak secure network encodes: is a kind of technology utilizing network code to realize the protection of weak security privacy, it is possible to realize the secret protection etc. to informant under relatively low calculation consumption, improves information transmission success rate simultaneously, reduce the transport overhead of network.
Dijkstra's algorithm based on map: set G=(L, E) it is a Weighted Directed Graph, L represents the location sets in Roads in Maps flex point and cross point, vertex set L in figure is divided into two groups, first group of vertex set S being to have obtained shortest path, only one of which source point in S time initial, often try to achieve a shortest path P later, just P corresponding vertex is joined in set S, until whole summits all join in S, second group is that all the other do not determine the vertex set U of shortest path, successively the summit of second group is added in S by the increasing order of shortest path length. In the process added, the shortest path length on each summit in from source point to S is always kept to be not more than in from source point to U the shortest path length on any summit. Additionally, one distance of each vertex correspondence, the distance on the summit in S is exactly the shortest path length from source point to this summit, the distance on the summit in U, be the summit only including S to this summit from source point is the current shortest path length of intermediate vertex.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
For solving the problems referred to above that prior art exists when moving intelligent perception application, the application provides a kind of data transmission scheme based on free opportunity network, participates in the enthusiasm that information provides promoting user, and then promotes the application quality of mobile intelligent perception. It follows that the application scheme will be described in detail by multiple embodiments.
Embodiment one
The open a kind of data transmission method of the embodiment of the present invention one, the method can be applicable to smart mobile phone, onboard sensor equipment etc. and has the mobile sensor equipment of excellent perception and wireless communication ability.
The enforcement of the application scheme is needed based on corresponding mobile sensor network by mobile sensor equipment, the present embodiment specifically provides a kind of mobile sensor network based on opportunistic network and the Internet, wherein, described opportunistic network is that mobile sensor equipment is in moving process, by corresponding wireless communication technology, such as the closely sensing network that the short distance wireless communication technologies such as bluetooth and other mobile sensor equipment are formed, this network is by utilizing the Wi-Fi (WirelessFidelity being arranged in mobile route, Wireless Fidelity) WAP such as focus combines with the Internet, may make up the application scheme and implement mobile sensor network required when performing.
First the present embodiment defines all types of nodes comprised in mobile sensor network:
1) mobile sensor node:
V={vi|1≤i≤ω,i∈N+, ω ∈ N+};
Wherein, V represents the set of mobile sensor node, viRepresenting mobile sensor node, ω represents the number of mobile sensor node, N in mobile sensor network+Represent natural number.
Described mobile sensor node can be specifically the mobile sensor equipment that above-described smart mobile phone, onboard sensor equipment etc. have excellent perception and wireless communication ability.
2) WAP:
W={wi|1≤i≤δ,i∈N+,δ∈N+;
Wherein, W represents the set of WAP, wiRepresenting WAP, δ represents the number of WAP. Described WAP can be specifically Wi-Fi Hotspot, is used for accessing the Internet.
3) server node:
F={f};
Wherein, F represents the set of server node, and f represents server node, and described server node can be specifically the server in network with corresponding data disposal ability.
On the basis of definition mobile sensor network and node thereof, the data transmission method that can be applicable to mobile sensor node below continuing the application is provided illustrates, and with reference to the data transmission method flow chart shown in Fig. 1, described method may comprise steps of:
S101: obtain source position and the destination locations of mobile sensor equipment user.
User specifically can pass through to adopt the modes such as position setting or input on the screen interface of the mobile sensor equipment such as smart mobile phone, submits its this time mobile corresponding source position and destination locations to mobile sensor equipment.
S102: determining the destination path between described source position and described destination locations, described destination path includes WAP.
In the present embodiment, described destination path is the shortest path including Wi-Fi Hotspot between source position and destination locations.
Specifically, the feature that the present embodiment is popularized in a large number in conjunction with features of movement and the Wi-Fi Hotspot of people, a kind of H-SPMBM (HotShortestPathMapBasedMovement) mobility model is proposed, H-SPMBM mobility model allows people choose, when selecting destination, the shortest path arrived at through Wi-Fi node selectively, while little as far as possible increase people's displacement, the quality of data transmission is so significantly enhanced, improves the efficiency of data transmission.
In the model, the shortest path length that map obtains between any two points A, B after calculating based on the dijkstra's algorithm of map is designated as D (A, B), user source position is designated as Ls, destination locations is designated as Le, make D0=D (Ls,Le). And the source position L of user is calculated by below formula (1) and formula (2)sWith destination locations LeBetween include the shortest path D of Wi-Fi Hotspotmin:
Di=D (Ls,L(wi))+D(L(wi),Le)(1)
Dmin=Min (Di), 1≤i≤δ, (2)
Wherein, DiRepresent the user source position L using the dijkstra's algorithm based on map to calculatesIt is designated as L with destination locationseBetween through Wi-Fi Hotspot wiShortest path length, δ represents the number of Wi-Fi Hotspot in mobile sensor network, Min (Di) refer to all DiIn minima.
Calculating the shortest path D including Wi-Fi Hotspot between the source position of user and destination locationsminAfterwards, can show that on mobile sensor equipment described shortest path is for reference, so that user decides whether to adopt described destination path to move to destination selectively.
For avoiding Dmin–D0Excessive, a distance threshold β can be set, as length and the described D of described destination path0Difference not less than described distance threshold, i.e. Dmin–D0During≤β, can advise that user selects described destination path to move to destination; On the contrary, if the length of described destination path and described D0Difference exceed described distance threshold, i.e. Dmin–D0> β, then can advise that user abandons adopting described destination path, and selecting paths D0Mobile to destination.
S103: judge whether described mobile sensor equipment user adopts described destination path to move.
S104: if, then receive and process first object data to be received on described destination path, and when described mobile sensor equipment user moves to the wireless range of described WAP, utilize described WAP to send the second target data to be uploaded in described mobile sensor equipment to server node.
Wherein, described first object data include: treat the data to be forwarded of other mobile sensor equipment on sensing data and described destination path on institute's destination path; Described second target data includes: the sensing data of described mobile sensor equipment self and the forwarding data from other mobile sensor equipment.
At the destination path that calculates of display, and after giving corresponding suggestion, can continue to judge whether user finally selects to adopt described destination path to go to destination.
If, then in user's moving process, as mobile sensor equipment such as the smart mobile phone of mobile sensor node, onboard sensor equipment, the sensing data on described destination path carried out Real-time Collection, reception, simultaneously, the forwarding data of other mobile sensor nodes on mobile sensor node real-time reception destination path, and when there is a need to (data volume of the sensing data/forwarding data as currently stored reaches to set threshold value), to other mobile sensor node for data forwarding on destination path.
That is, as user's mobile sensor equipment of mobile sensor node, utilize the opportunistic network of itself and other mobile sensor nodes composition on mobile route, send data to other mobile sensor nodes or receive the forwarding data from other mobile sensor nodes.
When the user's mobile sensor equipment as mobile sensor node moves to described destination path in the wireless range of Wi-Fi Hotspot, the server node that the sensing data that it has been stored by this node/forwarding data are delivered in network by described Wi-Fi Hotspot, thus realizing uploading of sensing data/forwarding data.
If user does not finally adopt the described destination path with Wi-Fi Hotspot, namely the mobile route that user adopts does not include Wi-Fi Hotspot, the then sensing data in the mobile sensor current mobile route of equipment Real-time Collection of user, and adopt equally and predetermined data transmit-receive strategy and this path carry out between other mobile sensor equipment required data forward.
In order to encourage the user carrying mobile sensor equipment as far as possible through Wi-Fi Hotspot, the described H-SPMBM mobility model of the present embodiment provides a kind of incentive mechanism, specifically, owing to the objective of intelligent perception application is to provide the user multiple service, when enjoying service and not damaging number one, user should undertake some obligation participation information simultaneously and provide, based on this, the present embodiment defines an excitation parameters reward, time initial, certain reward value is distributed for each user, when user participates in rewarding certain reward value when information provides through Wi-Fi Hotspot, and when the service that user uses intelligent perception to provide, then consume certain reward value, and only when having enough reward values, the service that user's ability enjoyment system provides, balance thereby through obligation with power, participant can be encouraged in moving process through Wi-Fi Hotspot.
From above scheme, in data transmission method disclosed in the present application, user receives and processes first object data to be received on its mobile route by its mobile sensor equipment, and when moving to the wireless range of WAP, utilize described WAP to send the data to be uploaded stored in mobile sensor equipment to server node. during visible application the application, the mobile sensor equipment of user can by the free opportunity network (such as the closely sensing network such as bluetooth) of composition between other sensing equipments on its mobile route, move the data exchange between sensing equipment, transmission, and can when mobile extremely corresponding wireless access (such as Wi-Fi hotspot etc.) point, described WAP is utilized to pay data to server node, thus, the application achieves a kind of data transmission scheme based on free opportunity network, can effectively promote user and participate in the enthusiasm that information provides, and then promote the application quality of mobile intelligent perception.
Embodiment two
The data collected in intelligent perception, namely utilize in the data that the mobile sensor network that the present embodiment one provides collects and be likely to comprise the sensitive informations such as the position of informant, time, personal identification, the privacy of informant may be exposed, thus safety and privacy to informant constitute a serious threat when this type of information is delivered to other mobile sensor node.
For solving this problem, the present embodiment proposes a kind of information transmission mechanisms incorporating weak secure network coding in routing policy, to be applied in intelligent perception message transmitting procedure the privacy of informant is protected.
Based on this, in the present embodiment, with reference to the data transmission method flow chart shown in Fig. 2, described step S104 specifically can be realized by following steps:
S201: when meeting pre-conditioned, receives the first object data on described destination path; Wherein, described pre-conditioned it is: the coding vector of described first object data and second is with the coefficient matrix nonlinear correlation for information, wherein, described second with being that stored in described mobile sensor equipment with described first object data the same generation information for information;
S202: described first object data are carried out predetermined network code and processes, encoded data accordingly, and store described coding data;
S203: when described mobile sensor equipment user moves to the wireless range of described WAP, utilizes described WAP to send the second target data to be uploaded in described mobile sensor equipment to server node.
Wherein, with referring to participate in mutually the information of coding for information, that is only could mutually encode with the information in generation, in the present embodiment, mobile sensor node specifically adopt random linear network encoding mode achieve a butt joint receive sensing data/forwarding data carry out weak secure network coding, with hiding raw information, it is ensured that the safety of user sensitive information.
The present embodiment specifically provides following weak secure network cataloged procedure:
1) mobile sensor node receives model and cache policy reception and data cached based on the information of definition.
Wherein, the information reception model of the mobile sensor node u reception message m of definition is as follows:
For node u ∈ V, it is assumed that the current perception of u or carry out the information m=(α to be received that other mobile sensor nodes in automatic network forward1,α2,…,an)(x1,x2,…,xn)T。
Wherein, (x1,x2,…,xn) in m with the set for information, remember X=(x1,x2,…,xn)T, (α1,α2,…,an) for coding vector, it is designated as A0, then m=A0X, is now designated as M by what stored in u with the information bag that m is the same generation,Its i-th behavior i-th information bag, is designated as Mi, the massage set comprised in each information bag is the information that participant senses at any time or forwards, and the coefficient matrix of M is designated as A, then M=AX. Now by A and A0It is connected as new matrix, is designated as
On this basis, set following cache policy: when coefficient matrices A linear correlation in the coding vector in m and M, owing to order Rank (A △) ≠ t+1, the m of A △ are useless to final decoding, thus node u rejects m; Otherwise, if the coding vector in m and the coefficient matrices A nonlinear correlation in M, then node u receives and buffer memory m.
2) message received is encoded processing by mobile sensor node.
Specifically, M is divided into two set M={C, D}, remembers CiFor the i-th information in C, in note C, the number of information is that in | C |, D, the number of information is | D | simultaneously. Putting in C by information encoded in M, uncoded information is put in D, if nowThen m is stored in u, whereas ifThen according to whether m is produced to discuss in two kinds of situation by u sensing:
<1>for information m it is situation about being produced by sensing node u sensing, ifThen every time by D, m, CiDeposit to new set H, then use coding function Code (H) that H is carried out random linear network encoding, element number in C is designated as | C |, then passes through the secondary coding of | C |, the individual new information of | C | can be obtained; IfThen D and m being merged into H, then use coding function Code (H) coding, coding | D | is secondary altogether, obtains the individual message of | D |.
<2>for m it is the situation of forwarding information of sensing node u, ifThen D and m being merged into H, then use coding function Code (H) coding, coding | D | is secondary altogether, obtains the individual message of | D |. IfEvery time by m, CiDeposit to new set H, then use coding function Code (H) to carry out random linear network encoding, element number in C is designated as | C |, then passes through the secondary coding of | C |, the individual new information of | C | can be obtained.
Finally delete original information in M, the information of coding gained is preserved to u.
Wherein, corresponding for coding function Code (H) encryption algorithm particularly as follows:
Code (H) uses random linear network encoding to carry out the linear combination of information in finite field, and all of computing is all at Fq(FqRepresent finite field) in complete. If
Then when carrying out random linear network encoding, from finite field, take out l coefficient k randomly1,k2,…,kl, the information bag obtained after coding is
The information transmission mechanisms encoded based on weak secure network that the present embodiment proposes; network code is blended in Routing Protocol; when less calculation consumption, it is achieved that the privacy in message transmitting procedure is protected, improve the success rate of information transmission simultaneously.
Embodiment three
The open a kind of mobile sensor node of the embodiment of the present invention three, this node has and the mobility of the user's synchronised in movement, this node can be the mobile sensor equipment that smart mobile phone, onboard sensor equipment etc. have excellent perception and wireless communication ability, with reference to the structural representation of the mobile sensor node shown in Fig. 2, this node specifically includes:
Position acquisition module 100, for obtaining source position and the destination locations of user.
Path determination module 200, for determining the destination path between described source position and described destination locations, and shows described destination path; Described destination path includes WAP.
Judge module 300, is used for judging whether user adopts described destination path to move.
Data transmission and processing module 400, for when judged result is for being, receive and process first object data to be received on described destination path, and when user moves to the wireless range of described WAP, utilize described WAP to send the second target data to be uploaded in described mobile sensor node to server node.
Wherein, with reference to Fig. 4, described data transmission and processing module 400 specifically includes data receipt unit 401 and data encoding unit 402.
Data receipt unit 401, for when meeting pre-conditioned, receiving the first object data on described destination path; Wherein, described pre-conditioned it is: the coding vector of described first object data and second is with the coefficient matrix nonlinear correlation for information, wherein, described second with being that stored in described mobile sensor equipment with described first object data the same generation information for information;
Data encoding unit 402, processes for described first object data carry out predetermined network code, is encoded data accordingly, and store described coding data.
For mobile sensor node disclosed in the embodiment of the present invention three, due to its with embodiment one and embodiment two disclosed in data transmission method corresponding, so what describe is fairly simple, relevant similarity refers to the explanation of data transmission method part in embodiment one and embodiment two, no longer describes in detail herein.
Embodiment four
The open a kind of data transmission system of the embodiment of the present invention four, described system includes WAP, server node and the mobile sensor node as described in embodiment three, wherein, described mobile sensor node uploads data by described WAP to described server node.
Described WAP is for being specially Wi-Fi Hotspot.
Described data transmission system is specially the system that all types of nodes that the mobile sensor network based on embodiment one includes are constituted, this system can include one or more mobile sensor node, Wi-Fi node and server node, described mobile sensor node can adopt data transmission scheme disclosed in embodiment one and embodiment two and network coding scheme carries out data transmission and network code, thus in the opportunistic network being made up of multiple mobile sensor nodes, when carrying out data interaction between each mobile sensor node, can by the data received be carried out network code, realize the privacy of user comprised in received data is protected.
Within the system, the decoding data that only mobile sensor node just can be paid by server node, next the decoding process of server node is illustrated.
The decoding step of server node f is as follows:
Specifically, server node f is decoded by Gaussian elimination method, and information can recover initial data through decoding, for the same generation packet X=(x1,x2,…,xn), if the packet that f receives is
OrderIts coefficient matrix is designated as A, then have Z=AX.
Assume that the server node f message m received processes through cache policy, only consider the information bag with m the same generation in f. First the message not decoded in information m, f decoded and f adds to Z, and the information decoded by f carries out labelling. Z=AX, then carries out Gaussian elimination to Z, obtains Z'=A'X, for each row vector A' of A'i, work as xjWhen not being solved, if A'ij=1 andThen information xjCan be solved, xj=Z'i。
After decoding, server node can obtain the data message that can distinguish, and decoded data can be analyzed processing and carrying out decision-making by subsequent server node.
It should be noted that each embodiment in this specification all adopts the mode gone forward one by one to describe, what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
For convenience of description, it is divided into various module or unit to be respectively described with function when describing system above or device. Certainly, the function of each unit can be realized in same or multiple softwares and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to the application and realize. Based on such understanding, the part that prior art is contributed by the technical scheme of the application substantially in other words can embody with the form of software product, this computer software product can be stored in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the application or embodiment.
Finally, it can further be stated that, in this article, the relational terms of such as first, second, third and fourth or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially. And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment. When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a data transmission method, it is characterised in that including:
Obtain source position and the destination locations of mobile sensor equipment user;
Determine the destination path between described source position and described destination locations, and show described destination path; Described destination path includes WAP;
Judge whether described mobile sensor equipment user adopts described destination path to move;
If, then receive and process first object data to be received on described destination path, and when described mobile sensor equipment user moves to the wireless range of described WAP, utilize described WAP to send the second target data to be uploaded in described mobile sensor equipment to server node.
2. method according to claim 1, it is characterised in that described destination path is: include the shortest path of WAP between described source position and described destination locations.
3. method according to claim 2, it is characterised in that described first object data include: treat the data to be forwarded of other mobile sensor equipment on sensing data and described destination path on described destination path; Described second target data includes: the sensing data of described mobile sensor equipment self and the forwarding data from other mobile sensor equipment.
4. method according to claim 3, it is characterised in that described first object data include coding vector and first with for information, then described reception the first object data to be received that process on described destination path include:
When meeting pre-conditioned, receive the first object data on described destination path; Wherein, described pre-conditioned it is: the coding vector of described first object data and second is with the coefficient matrix nonlinear correlation for information, wherein, described second with being that stored in described mobile sensor equipment with described first object data the same generation information for information;
Described first object data carry out predetermined network code process, encoded data accordingly, and store described coding data.
5. method according to claim 4, it is characterised in that described network code processes as random linear network encoding.
6. a mobile sensor node, it is characterised in that having and the mobility of user's synchronised in movement, described node includes:
Position acquisition module, for obtaining source position and the destination locations of user;
Path determination module, for determining the destination path between described source position and described destination locations, and shows described destination path; Described destination path includes WAP;
Judge module, is used for judging whether user adopts described destination path to move;
Data transmission and processing module, for when judged result is for being, receive and process first object data to be received on described destination path, and when user moves to the wireless range of described WAP, utilize described WAP to send the second target data to be uploaded in described mobile sensor node to server node.
7. mobile sensor node according to claim 6, it is characterised in that described first object data include coding vector and first with for information, then described data transmission and processing module includes:
Data receipt unit, for when meeting pre-conditioned, receiving the first object data on described destination path; Wherein, described pre-conditioned it is: the coding vector of described first object data and second is with the coefficient matrix nonlinear correlation for information, wherein, described second with being that stored in described mobile sensor equipment with described first object data the same generation information for information;
Data encoding unit, processes for described first object data carry out predetermined network code, is encoded data accordingly, and store described coding data.
8. a data transmission system, it is characterised in that include WAP, server node and the mobile sensor node as described in claim 6-7 any one, wherein:
Described mobile sensor node uploads data by described WAP to described server node.
9. system according to claim 8, it is characterised in that the data that described mobile sensor node is uploaded are: through presetting the coding data that network code processes, then described server node is used for:
Described coding decoding data is processed, obtains the sensing data that can distinguish; And the described sensing data distinguished is carried out required analyzing and processing and decision-making.
10. system according to claim 8, it is characterised in that described WAP is Wireless Fidelity Wi-Fi Hotspot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202041.8A CN105682012B (en) | 2016-03-31 | 2016-03-31 | A kind of data transmission method, mobile sensor node and data transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202041.8A CN105682012B (en) | 2016-03-31 | 2016-03-31 | A kind of data transmission method, mobile sensor node and data transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105682012A true CN105682012A (en) | 2016-06-15 |
| CN105682012B CN105682012B (en) | 2019-03-26 |
Family
ID=56225087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610202041.8A Active CN105682012B (en) | 2016-03-31 | 2016-03-31 | A kind of data transmission method, mobile sensor node and data transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105682012B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114697359A (en) * | 2022-03-04 | 2022-07-01 | 青岛海尔科技有限公司 | Data collection method and device, storage medium and electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599347A (en) * | 2003-09-17 | 2005-03-23 | 安捷伦科技有限公司 | System and method for using mobile collectors for accessing a wireless sensor network |
| KR20120124364A (en) * | 2011-05-03 | 2012-11-13 | (주)네오정보시스템 | position calculating method at indoors |
| CN103731844A (en) * | 2014-01-03 | 2014-04-16 | 苏州大学 | Method for distributing tasks of mobile perception system relevant to geographic positions |
| CN104067669A (en) * | 2012-01-24 | 2014-09-24 | 高通股份有限公司 | Systems and methods of relay selection and setup |
| CN204613666U (en) * | 2015-05-06 | 2015-09-02 | 深圳市菲菱科思通信技术有限公司 | AP panel wireless self-networking Indoor Monitoring System |
| CN105119987A (en) * | 2015-08-17 | 2015-12-02 | 厦门大学 | A mobile swarm intelligence perception method for a vehicle-mounted network |
-
2016
- 2016-03-31 CN CN201610202041.8A patent/CN105682012B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599347A (en) * | 2003-09-17 | 2005-03-23 | 安捷伦科技有限公司 | System and method for using mobile collectors for accessing a wireless sensor network |
| KR20120124364A (en) * | 2011-05-03 | 2012-11-13 | (주)네오정보시스템 | position calculating method at indoors |
| CN104067669A (en) * | 2012-01-24 | 2014-09-24 | 高通股份有限公司 | Systems and methods of relay selection and setup |
| CN103731844A (en) * | 2014-01-03 | 2014-04-16 | 苏州大学 | Method for distributing tasks of mobile perception system relevant to geographic positions |
| CN204613666U (en) * | 2015-05-06 | 2015-09-02 | 深圳市菲菱科思通信技术有限公司 | AP panel wireless self-networking Indoor Monitoring System |
| CN105119987A (en) * | 2015-08-17 | 2015-12-02 | 厦门大学 | A mobile swarm intelligence perception method for a vehicle-mounted network |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114697359A (en) * | 2022-03-04 | 2022-07-01 | 青岛海尔科技有限公司 | Data collection method and device, storage medium and electronic device |
| CN114697359B (en) * | 2022-03-04 | 2024-03-22 | 青岛海尔科技有限公司 | Data collection method and device, storage medium and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105682012B (en) | 2019-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Pan et al. | Divert: A distributed vehicular traffic re-routing system for congestion avoidance | |
| Lee et al. | Internet of Vehicles: From intelligent grid to autonomous cars and vehicular fogs | |
| Liu et al. | Fraud detection from taxis' driving behaviors | |
| Wei et al. | A survey of social-aware routing protocols in delay tolerant networks: Applications, taxonomy and design-related issues | |
| Winter et al. | Ad hoc shared‐ride trip planning by mobile geosensor networks | |
| Sodhro et al. | Link optimization in software defined IoV driven autonomous transportation system | |
| Aloqaily et al. | Vehicle as a resource for continuous service availability in smart cities | |
| Liu et al. | Invisible hand: A privacy preserving mobile crowd sensing framework based on economic models | |
| He et al. | Message propagation in ad-hoc-based proximity mobile social networks | |
| Kawecki et al. | Mobility-based routing algorithm in delay tolerant networks | |
| Wu et al. | Quality of video oriented pricing incentive for mobile video offloading | |
| Vigenesh et al. | An efficient stream region sink position analysis model for routing attack detection in mobile ad hoc networks | |
| Ma et al. | Traffic-aware data delivery scheme for urban vehicular sensor networks | |
| CN105682012A (en) | Data transmission method, mobile sensing node and data transmission system | |
| Jadhav et al. | Fuzzy logic based data dissemination in vehicular ad hoc networks | |
| Abdel-Aziz et al. | V2V cooperative sensing using reinforcement learning with action branching | |
| CN110417572A (en) | A method of message transmission node is predicted based on destination node collision probability | |
| CN107920050A (en) | A kind of method and system of data transfer cryptographic check | |
| Aung et al. | VeSoNet: Traffic-aware content caching for vehicular social networks based on path planning and deep reinforcement learning | |
| Kaisar et al. | Content sharing among visitors with irregular movement patterns in visiting hotspots | |
| CN114943340A (en) | Social relationship reasoning and task allocation method for crowd sensing system | |
| Li et al. | Data dissemination in mobile wireless sensor network using trajectory-based network coding | |
| Lan et al. | Using vehicular sensor networks for mobile surveillance | |
| Sun et al. | End to end performance analysis of relay cooperative communication based on parked cars | |
| Shah et al. | Human-mobility-based sensor context-aware routing protocol for delay-tolerant data gathering in multi-sink cell-phone-based sensor networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210518 Address after: 215011 No. 209 Chuk Yuen Road, hi tech Zone, Jiangsu, Suzhou Patentee after: Suzhou 2018 Information Technology Co.,Ltd. Address before: 215123 No. 199 benevolence Road, Suzhou Industrial Park, Jiangsu, China Patentee before: Suzhou University |