CN105682044A - Information transmission method of vehicle-mounted mobile terminal - Google Patents
Information transmission method of vehicle-mounted mobile terminal Download PDFInfo
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- CN105682044A CN105682044A CN201610216850.4A CN201610216850A CN105682044A CN 105682044 A CN105682044 A CN 105682044A CN 201610216850 A CN201610216850 A CN 201610216850A CN 105682044 A CN105682044 A CN 105682044A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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
- H04L67/55—Push-based network services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
Abstract
The invention provides an information transmission method of a vehicle-mounted mobile terminal. The method comprises that the vehicle-mounted terminal calculates a present position, and data pushed by a cloud-end server is displayed to a user; and the cloud-end server receives the position sent by the vehicle-mounted terminal, and pushes vehicle data based on the position. According to the method of the invention, content is pushed to the vehicle-mounted terminal in a targeted manner via positioning, the flexibility and value of information sharing are improved, and healthy development of the whole industry is realized.
Description
Technical field
The present invention relates to car networking, particularly a kind of vehicle mobile terminals information transferring method.
Background technology
Internet of Things can be played the part of more and more important role in daily life, and car networking is Internet of Things in factOn basis, grow up, by the intelligent identification technology on vehicle and cordless communication network, realize instituteHave the present situation, positional information and other moving static informations of vehicle to obtain and apply, and foundation is notSame position and functional requirement supervise and provide service in car networked platforms to vehicle. But mutually mobileThe growing of the Internet services and location push content all will exceed people's daily receptible degree, clothesWhen business information increase, the ability such as interface display, terminal processes of mobile terminal device is but not correspondingGrowth rate, therefore the location-based service technology of smart mobile phone equipment and mobile internet environment and the mobile skill that pushesArt, if be directly used in vehicular applications environment, has again more limitation. In addition when driving,The chance of data interaction operation is few, requires to simplify the operation to data as far as possible, and the simple number of providing convenienceAccording to operation format. Data are shortened, are rolled back manipulator, and can to reduce, obtain display machine can be restricted etc. comprehensiveFactor is superimposed, and makes the application of vehicle-mounted mobile information pushing be difficult to be applicable to the data-pushing of self.
Summary of the invention
For solving the existing problem of above-mentioned prior art, the present invention proposes a kind of vehicle mobile terminals informationTransmission method, comprising:
Car-mounted terminal calculates current location, and the data display that cloud server is pushed is to user, and high in the clouds is servedDevice receives the position that car-mounted terminal sends, and carries out location-based vehicle-mounted data propelling movement.
Preferably, described car-mounted terminal comprises data transmission module, for by wireless Internet, according to visitorThe communication protocol of family end and cloud server, communicates with cloud server, to cloud server access rightLimit certification is replied, uploading data is encapsulated, downloading data is unpacked, and by after unpackingData allocations carries out Treatment Analysis to other corresponding modules; For dynamic data, adopt the encapsulation shape of FrameFormula is transmitted, and the data frame structure that comprises multiple attribute is set, and each property value disposes dynamically and can establishPut weight;
Described car-mounted terminal comprises data buffer storage, and this buffer memory is made up of database file and classified index file,To propelling data store, interpolation, sequence, renewal operation, data in buffer memory according to classification and lifeCycle preserves, and cloud server sends a notice at networking situation, and data buffer storage upgrades or notice legacy data losesEffect, the notified rear renewal queue of data buffer storage;
Described car-mounted terminal also comprises data priority administration module, and position data is pushed to local cache,And carrying out prioritization according to changeable weight, described changeable weight is by following parameter: quotation parameters sortnig,Broadcasting time parameter, stand-by period parameter, intercycle parameter, cross-correlation coefficient and weight coefficient thereof comeCalculate and determine;
Described car-mounted terminal also comprises position computation module, for calculating the real time position coordinate of vehicle, and withThe coordinate attributes field of the each data of buffer memory is carried out Euclidean distance calculating, in the time being less than distance to a declared goal scope, triggersData display condition, sets up displaying order according to priority;
Described car-mounted terminal also comprises statistical module, for receive the situation of propelling data according to user, and statisticsThe operating characteristics of expense recording user, then by transmission such as cost value and operating time, concrete action attributesGive data transmission module, and be uploaded to cloud server by it, user account expense is upgraded, and noteEmploy the behavioural characteristic at family, preserve initial data for further analyzing these features;
Described car-mounted terminal also comprises statistical module, content-control module: i.e. the data to contents attribute, comply withControl is shown at duration and interval according to acquiescence or content provider's appointment, limits its showroom interval,Show total duration, and in conjunction with priority adjustment algorithm, content displaying is carried out to circularly exhibiting control;
Described car-mounted terminal also comprises priority adjusting module, for the priority of all information of data buffer storageThe dynamic adjustment of value by the priority of calculated data resource, and is dynamically adjusted all after showing each timeThe priority of data resource.
The present invention compared to existing technology, has the following advantages:
The present invention proposes a kind of vehicle mobile terminals information transferring method, be positioned with pointedly by positionPush content to car-mounted terminal, promoted flexibility and the value of information sharing, realize whole industry situation healthDevelopment.
Brief description of the drawings
Fig. 1 is according to the flow chart of the vehicle mobile terminals information transferring method of the embodiment of the present invention.
Detailed description of the invention
Below with together with the accompanying drawing of the diagram principle of the invention, provide to one or more embodiment of the present invention in detailThin description. Describe the present invention in conjunction with such embodiment, but the invention is not restricted to any embodiment. ThisBright scope is only defined by the claims, and the present invention contain manyly substitute, amendment and equivalent. ?In below describing, set forth many details to provide thorough understanding of the present invention. For exemplary purposesAnd these details are provided, and also can be according to right without some or all details in these detailsClaim is realized the present invention.
An aspect of of the present present invention provides a kind of vehicle mobile terminals information transferring method. Fig. 1 is according to thisThe vehicle mobile terminals information transferring method flow chart of bright embodiment.
Location-based vehicle-mounted data supplying system, by arranging propelling movement number in the software systems of car-mounted terminalAccording to transport module, data buffer storage, data priority administration module, position calculation computing module, message loopShow control module, content-control algorithm and statistical module, with vehicle mobile terminals hardware and high in the clouds, backstage clothesBusiness device cooperatively interacts, and according to priority, propelling data is carried out to circular treatment, attracts user to receive data, realManagement and the displaying of existing vehicle mobile terminals part propelling data.
The data that model is uploaded are the real-time status data of terminal, by positional information, speed, end cell electricityThe data upload such as amount are to cloud server. The data of downloading comprise software upgrading bag, music file, propelling movementInformation, the order that also has service profiles and cloud server to assign.
The warning that hypervelocity playing module triggers in the time that the speed of a motor vehicle exceedes the threshold value of regulation. Navigation playing module is play and is ledBoat information. In the time connecting navigation cloud server and send request uploading position data, can receive high in the cloudsThe segmented paths directs data bag that server returns. Mobile playing module is by initiatively prison reception of terminal, when car is sent outGive birth to illegally when mobile, called this broadcasting. Electric weight playing module is managed by the electric energy management device of mobile terminalReason, plays when prison receives when the low or external power supply of electric quantity of power supply disconnects.
Location-based message loop pushes by Dynamic Matching, level decomposition, three parts of loop control and forms.Dynamic Matching based on real time position calculate dynamic position Data Matching process, comprise dynamic data propelling movement,The substances such as renewal, storage, queue management; Level decompose by priority contrast PROBLEM DECOMPOSITION be three notThe problem of same level, the contrast of dynamic data priority under same path, by the parameters sortnig of bidding, playFive basic parameters such as number of times parameter, stand-by period parameter, intercycle parameter, cross-correlation coefficient and power thereofHeavy coefficient determines the priority initial value of all data. Adjacent path and adjacent area are at same path priorityThe upper boundary condition parameter that increases in contrast basis;
Loop control, under dynamic and multi-parameter correlated condition, is found the optimum span of each weight coefficient,Make the fuzzy overall evaluation function of system can obtain optimal solution.
The communication module of car networked information service platform is responsible for carrying out data interaction with service end, and audio-frequency module is negativeDuty the information of terminal is play, these with information pushing formed module composition the framework of whole model.The function declaration of each several part is as follows:
(1) data transmission module: by wireless Internet, according to the communication protocol of client and cloud server,Communicate with cloud server, cloud server access authority authentication is replied, uploading data is enteredRow encapsulation, unpacks downloading data, and gives other corresponding module places by the data allocations after unpackingReason is analyzed. For dynamic data, adopt the packing forms of Frame to transmit, except content itself,By data frame structure is set, also can comprise other multiple attributes, as cloud server is set priority, broadcastPut number of times, life cycle, propelling movement time length etc., each property value disposes weight dynamically can be set,Such data structure form can be by arranging with Update attribute and realize various control effect flexibly.
(2) data buffer storage: this buffer memory is made up of database file and classified index file, can enter propelling dataThe operations such as row storage, interpolation, sequence, renewal. Data are protected according to classification and life cycle in buffer memoryDeposit, cloud server can notify buffer update or notice legacy data to lose efficacy under networking situation, and buffer memory is receivedAfter notice, upgrade queue.
(3) data priority administration module: position data is pushed to local cache, and carry out according to changeable weightPrioritization. Changeable weight by the parameters sortnig of offering, broadcasting time parameter, stand-by period parameter, followFive basic parameters such as central spacer parameter, cross-correlation coefficient and weight coefficient thereof calculate decision, along with broadcastingThe variation of number of times and stand-by period, originally the preferred value of high priority target will reduce gradually, and low priorityTarget priority value raises and obtains display machine meeting.
(4) position computation module: this module is calculated the real time position coordinate of vehicle, and with the seat of the each data of buffer memoryMark attribute field carries out Euclidean distance calculating, once be less than distance to a declared goal scope, can trigger data show barPart. Set up displaying order according to priority.
(5) show control module: in the time having data to be demonstrated, produce prompting according to classification, user is optionalSelect and receive or do not receive, push button and can complete reception, in maintenance does not receive and loses within a period of timeAppearance expense. User can button selects different classification carry out rollback reception, but the rollback that exceedes duration receives and can passSubtract expense or defrayment no longer. After rollback receives, data are still kept in buffer memory classification queue, until rawThe life cycle stops or being deleted by cloud server update notifications. Can realize classification rollback displaying, track rollbackThe displaying of the different modes such as displaying, real-time ready displaying.
(6) statistical module: receive the situation of propelling data according to user, the operation of statistics expense recording userFeature, then passes to data transmission module by cost value and operating time, concrete action attributes etc., and byIt is uploaded to cloud server, user account expense is upgraded, and the behavioural characteristic of recording user, forFurther analyze these features and preserve initial data. In the time of computational costs, to receive operation within effective time,According to total head defrayment, the rollback that exceeds effective time is shown to operation, according to the half-life time meter that successively decreasesCalculate every three days (or according to data producer fixed time) expenses half of successively decreasing.
(7) content-control module: i.e. the data to contents attribute, specify according to acquiescence or content providerControl is shown at duration and interval, limits its showroom interval, shows total duration, to avoid userTransition is disturbed, and in conjunction with priority adjustment algorithm, content displaying is carried out to circularly exhibiting control.
(9) priority adjustment: be responsible for the dynamic adjustment of the priority value of all information in data buffer storage, by meterCalculate the priority of data resource, and after showing each time, dynamically adjust the priority of all data resources.
Wherein:
(1) cloud server is according to the priority of sequence price fixing data, and by wireless network and communication protocolsView, broadcast and propelling data download in vehicle mobile terminals;
(2) vehicle mobile terminals is set up grouped data buffer memory: and the data that receive are deposited according to categorical attributeQueue;
(3) real time position calculates: calculate the interior data of current vehicle location and data buffer storage position attribution data itBetween difference, as the threshold value geographic range that is less than setting enters matching range, proceeds to step 4, otherwise repeatsThis step;
(4) display data is ready: extract the 3rd step and mate the pointer of the data that obtain, and pointer is saved in to exhibitionShow ready queue. If now show that ready queue does not have other tasks, now start broadcasting process and startDisplaying task; If had data showing, or also had higher priority task in queue, enteredWait state;
(5) show and control: check lifetime property and the contents attribute of data in ready queue, to havingThe data call content-control algorithm of contents attribute is shown restriction, then the data that can show is startedBroadcasting process, imports ready data into and shows, user can oneself control the mode of showing, and realizes temporarilyStop, the basic function such as continuation, volume adjustment, in its attribute of the data modification that each displaying is completed, play timeNumber attribute value, then preserves back buffer queue;
(6) content-control module: if having continuous data all to there is contents attribute in the time showing, while insertionBetween fragment, restriction show duration and showroom every;
(7) priority adjustment, the adjustment of wait priority is again calculated and distributes the preferred value of these data;
(8) data buffer storage, according to newly-generated numerical priority value, upgrades the each data attribute in buffer memory;
(9) expense statistics and operating characteristics record: according to user's operation, record current state-event value,Operating time, operating characteristics value, and generate current cost data according to duration, then data are passed toNext step;
(10) data waiting for transmission are encapsulated according to communication protocol, then call radio network interface, by dataUpload cloud server, cloud server upgrades user's account according to current cost information after receiving these dataFamily information.
In same section of road, due to the movement of vehicle, location-based service that only may be limited pushes content energyBe pushed to, therefore the contrast of location information on services; Due to the displaying time and link length limited, because ofLimited and allow pushed data resource; Due to vehicle mobile, the last period road informationAlso do not shown, the high priority that in queue, the information of low priority may newly be matched by next section is believedBreath replaces or covers. The location service information that contrast is won victory should not occupy superiority for a long time, otherwise sameIn section, other location service informations will can exit because obtaining pusher, cause the most at last ecological collapse,Therefore need the circulation model of location service information. In conjunction with other priority scheduling algorithms, draw vehicle-mounted positionThe priority of the round-robin algorithm of service information pushing has two kinds: the one, and location-independent propelling movement content priority;The 2nd, the propelling movement content priority that position is relevant.
So the location push content priority relevant to position is made up of following several respects:
One is i pushes the priority J that content is obtained by sequence in k sectionik, its value sizeBy quotation bikDetermine; Two are i pushes content producing owing to failing to obtain displaying in k sectionThe accumulation that causes of stand-by period wait for priority Tik; Three be i push content in k section due toShow the priority R that causes minimizingik。
Vehicle-mounted location service information priority is each several part priority sum, and i pushes content at kThe comprehensive priority P in individual sectionik＝A×Jik+B×Tik+C×Rik, wherein, A, B, C are respectively these threeDivide priority proportion size, A+B+C=1.
For reasonable distribution resource, need to reasonably distribute the displaying time of the information of a certain position,Peripheral information is as far as possible perfectly reacted to user. Algorithm is responsible for the priority of all data in data buffer storageThe dynamic adjustment of value. Dynamic position data determine the ownership of showing resource by the comprehensive priority of self, because ofThe priority of this calculated data resource, and after showing each time, dynamically adjust the priority of all data resources,Carrying out resource in control system is recycled and can realize the circulation of dynamic position data priority and control. FalseIf vehicle through same path, to take turns the step turning as follows for whole priority value:
(1) vehicle, after ad-hoc location, is determined and is needed circle exhibiting information;
(2) calculate the size of these information priority levels according to priority algorithm;
(3) first obtain the information of showing that priority is the highest; After showing, adjust each parameter value;
(4), in the time that vehicle passes through same position again, perform step equally 2 and 3, until reach the life of circulationThe life cycle just can stop;
In priority is adjusted, be that each message queue distributes a static weight according to traffic performance, thisThe proportion of a weight said get priority.Priority adjustments in the message queue scheduling is carried out in accordance with the priority cycle, the cloud server first processing high priority queue, wait until the message queue at the show, and then according to the algorithm for priority setting, turn to the next message queue, when a queue is empty, so the cycle to the next queue scheduling, in circulation, until leave the destination.
Location-based content information pushes by the location to position, and recognizing site information, to user's groundReason position gathers, and then objective attribute target attribute and content information is carried out intellectual analysis and is mated, and realizes spyThe propelling movement of allocation customizing messages, user can also selectively show according to the hobby of oneself.
Location-based content information cyclic control system is made up of administration module, display module, accounting module.Administration module is responsible for collection, analyzing and processing and the setting to priority of content information, and display module is responsible forAccording to priority, information is carried out to circularly exhibiting, accounting module is that the information to having shown is added up meterCalculate. To the data of contents attribute, duration and the interval of specifying according to acquiescence or content provider are shownControl, limit its showroom interval, show total duration, and in conjunction with priority adjustment, content displaying is carried outCircularly exhibiting control. User can be according to self use habit, and real-time exhibition, manually displaying, road conditions exhibition are setThe different display forms such as show. Display form is as follows:
One, real-time exhibition: after vehicle location and content-data position calculation, trigger displaying condition also immediatelyShow, the cost ratio coefficient of real-time exhibition is 1.
Two, manually show: user triggers after displaying condition, shown by the manual button of user, in durationManually show that cost ratio coefficient is also 1, but along with the time increases, the cost ratio decline of successively decreasing.
Three, according to user, road conditions are shown to the higher psychological characteristics of acceptance, also can select road conditions to show, byTerminal control appends displaying content, and to increase broadcasting time, now cost ratio is got compromise value.
Whole displaying control procedure is as follows:
First be the displaying attribute of chosen content information, then extract content interval circulation timei; Basis afterwardsPriority adjustment algorithm is obtained the preferential displaying power of content information, has the content letter of the highest preferential displaying powerBreath is shown at first. User can select according to the needs of oneself, then studies paid expenseCoefficient calculations; Finally, priority recalculates, and carries out successively circularly exhibiting.
For audio frequency of text audio frequency conversion program setting is play queue. Any time system produce to be playedAudio frequency all inserts audio frequency and plays queue, and conversion program extracts successively audio presentation from this queue. Audio frequency is addedPriority attribute, priority is divided into 3 grades: 0 for normal priority, 1 for warning priority, 2 for beingSystem level priorities, 3 empty all audio frequency and immediately displaying above. It is the highest that audio queue can extract priorityAudio frequency play.
Below realize from mobile terminal, client and three part recommended information Push Service of navigation system respectivelyProcess. Client sends customer position information to cloud server by navigation system, cloud server centerCalculate location data, as long as positional information can be identified, will trigger cloud server according to userPosition and information sending strategy, send to the information relevant to region to be correlated with to user. Finally, enter letterThe service procedure that breath pushes, the relevant propelling movement content of selecting through cloud server utilizes push technology through mobileNetwork or other communication networks send to mobile terminal, and client will be received the position sending from cloud serverPut information on services.
Before information pushing, first send gps data by client, cloud server is received location information dataAfterwards information is processed, comprised classification, priority setting, displaying time. Cloud server is handledAfter becoming, the information content is carried out to encapsulation process, then send to client through network, client arrivesShow according to the priority arranging afterwards.
Based on above application flow, complete Information Push Service comprises two parts, and a part is clientProgram; Another part is cloud server program, runs in the cloud server of backstage. Information pushing moduleBe the main part of whole model, it will be responsible for calling the relevant algorithm that pushes on the one hand, completes the screening of information,When user need to carry out after information pushing, pushing module will be called to push content on the other hand,Calling the information of having screened pushes. Location-based information pushing module is the most important of whole modelPart, it ensures the smooth realization of whole information pushing model.
(1) after car-mounted terminal starts, carry out a series of initialization, and set up data buffer storage and classification queue,In wireless network connection situation, be connected with backstage cloud server by communication protocol module, set upThe data channel uploading and downloading.
(2) backstage cloud server pushes content information or other types data by wireless data channelIn car-mounted terminal, after car-mounted terminal is received, the property value according to propelling data in data buffer storage is protected respectivelyDeposit in queue.
(3), in Vehicle Driving Cycle process, car-mounted terminal carries out real-time determining according to the position locating module of selfPosition, and by the coordinate X of the each data in data value X, the Y of the position plane coordinate obtaining and data buffer storage,Y, carries out Euclidean distance calculating to the two. To be less than the data of distance to a declared goal, think have Data Matching arrive work asFront position, arranges data ready mark, and the pointer of these data is registered to the ready queue of data buffer storageIn. If do not have Data Matching to arrive, repeat above-mentioned location.
(4) in the time that ready queue is not sky, the displaying control module in vehicle terminal software is activated, first inspectionLook into data attribute, if contents attribute data dispatch content-control module and apply control, if notContent-data, directly dispatches display advertising or audio engine and carries out the displaying of data. Show rearThe automatic removing of lifetime property according to data has completed data message, or revises its broadcasting time property valueFormer queue is returned in rear preservation, waits for next time and shows.
(5) content-control module, in the time being demonstrated control module and being dispatched to, refers to according to acquiescence or content providerControl is shown at fixed duration and interval, limits its showroom interval, shows total duration, to avoid rightUser's transition is disturbed;
(6) after priority adjusting module has been shown at every turn, according to priority adjustment algorithm, calculate in buffer memoryThe priority of each data under individual queue,
(7) operating characteristics record and expense statistical module, use according to the duration calculation mail downloading charge of user's display dataAnd be saved in user's accumulative total cost value, then user's click is shown to action, or postpones to show action,Or refusal displaying action, and action time of origin, pass to operating characteristics according to action encoded radio and record numberAfter encapsulation, pass to upper transmission module by statistical module according to structure.
(8) upper transmission module connects when normal at wireless communication, and uploading data bag is to backstage cloud server.
(9) repeat above step and carry out circularly exhibiting.
In sum, the present invention proposes a kind of vehicle mobile terminals information transferring method, locate by positionPush content to car-mounted terminal targetedly, promoted flexibility and the value of information sharing, realize wholeIndividual industry situation develops in a healthy way.
Obviously, it should be appreciated by those skilled in the art, above-mentioned of the present invention each module or each step are passableRealize with general computing system, they can concentrate on single computing system, or are distributed in manyOn the network that individual computing system forms, alternatively, they can use the executable program code of computing systemRealize, thereby, they can be stored in storage system and be carried out by computing system. Like this, thisBrightly be not restricted to any specific hardware and software combination.
Should be understood that, above-mentioned detailed description of the invention of the present invention is only for exemplary illustration or explanation basisThe principle of invention, and be not construed as limiting the invention. Therefore, without departing from the spirit and scope of the present inventionSituation under make any amendment, be equal to replacement, improvement etc., all should be included in protection scope of the present inventionWithin. In addition, claims of the present invention be intended to contain fall into claims scope and border orWhole variations and modification in the equivalents on this scope of person and border.
Claims (2)
- Car-mounted terminal calculate current location, by cloud server push data display to user, high in the cloudsServer receives the position that car-mounted terminal sends, and carries out location-based vehicle-mounted data propelling movement.
- 2. method according to claim 1, is characterized in that, described car-mounted terminal comprises transfer of dataModule, for by wireless Internet, according to the communication protocol of client and cloud server, takes with high in the cloudsBusiness device communicates, and cloud server access authority authentication is replied, uploading data is encapsulated,Downloading data is unpacked, and carry out Treatment Analysis to other corresponding modules the data allocations after unpacking;For dynamic data, adopt the packing forms of Frame to transmit, the Frame that comprises multiple attribute is setStructure, each property value disposes weight dynamically can be set;Described car-mounted terminal comprises data buffer storage, and this buffer memory is made up of database file and classified index file,To propelling data store, interpolation, sequence, renewal operation, data in buffer memory according to classification and lifeCycle preserves, and cloud server sends a notice at networking situation, and data buffer storage upgrades or notice legacy data losesEffect, the notified rear renewal queue of data buffer storage;Described car-mounted terminal also comprises data priority administration module, and position data is pushed to local cache,And carrying out prioritization according to changeable weight, described changeable weight is by following parameter: quotation parameters sortnig,Broadcasting time parameter, stand-by period parameter, intercycle parameter, cross-correlation coefficient and weight coefficient thereof comeCalculate and determine;Described car-mounted terminal also comprises position computation module, for calculating the real time position coordinate of vehicle, and withThe coordinate attributes field of the each data of buffer memory is carried out Euclidean distance calculating, in the time being less than distance to a declared goal scope, triggersData display condition, sets up displaying order according to priority;Described car-mounted terminal also comprises statistical module, for receive the situation of propelling data according to user, and statisticsThe operating characteristics of expense recording user, then by transmission such as cost value and operating time, concrete action attributesGive data transmission module, and be uploaded to cloud server by it, user account expense is upgraded, and noteEmploy the behavioural characteristic at family, preserve initial data for further analyzing these features;Described car-mounted terminal also comprises statistical module, content-control module: i.e. the data to contents attribute, comply withControl is shown at duration and interval according to acquiescence or content provider's appointment, limits its showroom interval,Show total duration, and in conjunction with priority adjustment algorithm, content displaying is carried out to circularly exhibiting control;Described car-mounted terminal also comprises priority adjusting module, for the priority of all information of data buffer storageThe dynamic adjustment of value by the priority of calculated data resource, and is dynamically adjusted all after showing each timeThe priority of data resource.
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| WO2018023308A1 (en) * | 2016-07-31 | 2018-02-08 | 赵晓丽 | Pushing method and system on the basis of user's age and serial number of pushed information |
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| CN108600285A (en) * | 2018-01-03 | 2018-09-28 | 陈顺宝 | A kind of information dissemination system based on electric vehicle |
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| CN111107147A (en) * | 2019-12-17 | 2020-05-05 | 苏州思必驰信息科技有限公司 | Message pushing method and device |
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