CN101742396B - Position-based self-service information distribution method - Google Patents
Position-based self-service information distribution method Download PDFInfo
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- CN101742396B CN101742396B CN 200810072214 CN200810072214A CN101742396B CN 101742396 B CN101742396 B CN 101742396B CN 200810072214 CN200810072214 CN 200810072214 CN 200810072214 A CN200810072214 A CN 200810072214A CN 101742396 B CN101742396 B CN 101742396B
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Abstract
The invention discloses a position-based self-service information distribution method, relates to a method for editing, transmitting, saving and sending information according to a geographical position, and solves the problem that the real-time and interaction of centered position-based service are insufficient. The position-based self-service information distribution method comprises the following steps: distributing information by a mobile phone, wherein the mobile phone calculates a coordinate of a key point designated by a user, the user inputs message data, and the mobile phone combines the message data and the coordinate of the key point into a message to upload to a center; receiving and saving the message by the center, wherein after receiving the message, the center calculates a grid number in a map according to the coordinate of the key point, and saves the message data into a dynamic information database according to the grid number; and sending map object data information by the center, wherein the center receives a map display request from the mobile phone and calculates the number of map grids to be covered and the grid number, and extracts map information from a map database according to the grid number and the message data from the dynamic information database to package into a data packet of the map object data information to send to the mobile phone for display.
Description
Technical field
The present invention relates to the method for a kind of information editing, transmission, preservation and transmission, particularly relate to a kind of method according to geographical position editor, transmission, preservation and the information of transmission.
Background technology
Along with the fast development of information technology and the continuous appearance of large size city, the information relevant with the geographical position more and more receives people's attention, wherein Location-Based Services (Location BasedService, LBS) focus of mobile data services research especially.
LBS is a kind of value-added service that is provided by mobile radio communication, and this business offers mobile subscriber or other people and communication system through the positional information of one group of location technology acquisition travelling carriage, realizes the various services relevant with the position.
Existing LBS mainly contains two kinds of service modes: autonomous type and center type.
The LBS of autonomous type stores data on portable terminal, all there is a sets of data collection at each terminal, and every suit data set can only be for having its that user's service.This mode requires than higher the computing capability and the memory space of portable terminal, and is unfavorable for the maintenance and the renewal of data.
The LBS of center type is stored in data on the central server, and all customer mobile terminals are through the wireless network shared data.Its data are upgraded by the service end system keeper is unified on central server, and each portable terminal has saved the burden of Data Update and maintenance like this.For the user, they were concerned about real-time data often.Yet minority service end system keeper can't in time handle the Data Update and the maintenance of huge amount.This mode is but slightly inadequate on real-time that guarantees data and interactivity, can not satisfy user's demand fully.
Summary of the invention
The present invention aims to provide a kind of location-based self-service information distribution method, and it is the basis with the LBS of center type, lets the cellphone subscriber participate in the Data Update operation at center, with the real-time and the interactivity of the data that improve the center.
Technical scheme of the present invention is: location-based self-service information distribution method comprises mobile phone and sends the map object data message to three processes of mobile phone to message and the central server that central server gives out information, central server receives and the preservation mobile phone is issued; Mobile phone has to the step that central server gives out information:
Steps A, mobile phone receives the cartographic information from central server through wireless network, and it is presented on the mobile phone screen;
Step B, the cellphone subscriber is by the cartographic information designated key point that shows on the mobile phone screen, and mobile phone calculates longitude, the latitude coordinate of above-mentioned key point;
Step C, cellphone subscriber's input comprises the message data of type, title and the detailed content of the message that will issue, and mobile phone is formed message with longitude, the latitude coordinate of message data and above-mentioned key point and is uploaded to central server through wireless network; The step that central server received and preserved the message of mobile phone issue has:
After step D, central server receive the message that user mobile phone sends, according to the longitude of the key point that this message comprised, the grid of the above-mentioned key point of latitude coordinate information calculations in map number;
Step e, central server number deposits the message data of this message in the multidate information database by its corresponding grid;
Central server sends the map object data message and has for the step of mobile phone:
Step F, central server receives the displayed map request from mobile phone, and this request comprises longitude and latitude, mobile phone screen size and the displaying ratio chi at center, viewing area;
Step G; Longitude and latitude, mobile phone screen size and the displaying ratio chi information at the center, viewing area that central server provides according to mobile phone; Map meshes number that the map of this handset displays should cover and corresponding grid number are treated in calculating; From map data base, extract and above-mentioned grid number corresponding original map data information then; Extract and the above-mentioned grid message data that number corresponding user mobile phone is issued from dynamic information database simultaneously, both are superimposed is packaged into map object data message packet;
Step H, central server sends to the mobile phone of filing a request with above-mentioned map object data message packet through wireless network;
Step I, mobile phone receives the map object data message packet from central server through wireless network, and this packet is decomposed into cartographic information and message data, the character of the figure of displayed map information and message data on mobile phone screen.
In the embodiment that optimizes: among the described step B, it is " based on the message of point " or " based on the message of line " that the cellphone subscriber need specify the message that will issue; If the cellphone subscriber selects " based on the message of point ", the cellphone subscriber chooses certain key point by the cartographic information that shows on the mobile phone screen, and mobile phone calculates longitude, the latitude coordinate of this key point then; If the cellphone subscriber selects " based on the message of line "; The cellphone subscriber chooses a plurality of key points by the cartographic information that shows on the mobile phone screen; Mobile phone is linked to be line according to these key points then; Let the cellphone subscriber confirm whether this line meets the requirements, if meet the requirements then longitude, the latitude coordinate of these key points of mobile phone calculating.
In the embodiment that optimizes: among the described step D, after central server receives the message of user mobile phone transmission, verify the reliability of this message earlier; If checking is passed through, then central server is according to the longitude of the key point that this message comprised, the grid of the above-mentioned key point of latitude coordinate information calculations in map number.
Specifically: among the described step D; An in store blacklist table in central server; As user mobile phone when the content of certain message of central server report is untrue; Then the central server user that will send this message originally adds in the blacklist table, and sets the number that this user of counter records sends spoofing for this user; The user that this message is sent in inspection earlier during the reliability of the message that central server checking is received whether in the blacklist table, if in this table then the reliability demonstration of the message that received of judgement do not pass through; If the user who sends this message checks further whether this user's counter reaches the set upper limit value in the blacklist table, do not reach the set upper limit value and judge that then the reliability demonstration of the message that is received passes through; When this counter reaches the set upper limit value, judge that the message that is received can not be through reliability demonstration.
Particularly: the type of the message of being imported by the cellphone subscriber among the described step C comprises the instant message with valid expiration date and does not establish the permanent message in effective time limit; Central server checks the type of message of each message data of preserving in the multidate information database at one's leisure, if certain message data is instant message, and the valid expiration date that has crossed this message data is just with its deletion; If certain message data is permanent message, then keep this message data, up to having cellphone subscriber or service end system keeper that it is made amendment or deleting always.
The present invention is based on the self-service information distribution method of position; In the process that mobile phone gives out information: utilize mobile phone screen to show cartographic information from central server; The cellphone subscriber can be calculated longitude, the latitude coordinate of above-mentioned key point by the cartographic information designated key point that shows on the mobile phone screen by mobile phone; The user imports message data, and mobile phone is formed message with the coordinate of message data and key point and is uploaded to central server.Make the user needn't understand longitude, the latitude coordinate of key point, just can the message data that comprise key point longitude, latitude coordinate be uploaded to central server.This has not only simplified the operation of user to center transmission data, has also greatly reduced the user and has participated in the threshold that centre data upgrades operation, allows more domestic consumer to send data to the center.Receive and preserve in the process of message and at the center and send in the process of map object data message, adopt to convert geographical coordinate in the map grid number, number deposit message data in the multidate information database with the grid in the map at the center; Perhaps pressing grid extracts cartographic information number from map data base and extracts message data from dynamic information database, convenient cartographic information and the message data that needs to the user from map data base and multidate information database search.
Description of drawings
The flow chart that Fig. 1 gives out information for the one embodiment of the invention mobile phone.
The flow chart that Fig. 2 checks and preserves the mobile phone information releasing for the present embodiment central server.
Fig. 3 is the present embodiment central server sends cartographic information and a flow chart from message data to mobile phone.
Fig. 4 utilizes grid map to be carried out the sketch map of piecemeal in the present embodiment.
Fig. 5 is based on the data structure sketch map of the index file of grid number in the present embodiment.
Embodiment
One embodiment of the invention applies to nationwide mobile communication network, and the support of real-time and aspect such as interactive is provided for shift position service.The cellphone subscriber no longer is the message about local domain that receives passively in different regions from central server, and obtains the real-time and dynamic message about this region when can specify the message of region or receive the map of specifying the region through central server issue according to actual conditions.
The present invention divides national map with grid, with grid configuration storage, the therefore convenience in order to search for, message number are organized and access according to grid in the multidate information database.
The partition process of grid when the present invention specifically realizes is to increase progressively by longitude and latitude the whole of China is divided into a series of grid and numbering, and is as shown in Figure 4.Concrete algorithm is realized as follows:
(1) latitude and longitude information in the first statistical map file, calculate this map longitude scope (Lon_Min, Lon_Max); Latitude scope (Lat_Min, Lat_Max), wherein Lon_Min is minimum longitude; Lon_Max is maximum longitude, and Lat_Min is minimum latitude, and Lat_Max is high latitude.
(2) according to the size of each grid (Grid_W, Grid_H), wherein Grid_W is that grid is wide, Grid_H is that grid is high; Calculate the grid columns after map is divided
R＝UP_ROUND[(Lon_Max-Lon_Min)/Grid_W
And line number
C＝UP_ROUND[(Lat_Max-Lat_Min)/Grid_H]
Last total grid number is N=R*C just.Wherein UP_ROUND is the function that rounds up.
(3) according to the size of each grid calculate some grids in this map when prostatitis number:
R_NOW＝UP_ROUND[(Lon_NOW-Lon_Min)/Grid_W]
Wherein Lon_NOW is current longitude.
With current line number:
C_NOW＝UP_ROUND[(Lat_NOW-Lat_Min)/Grid_H]
Wherein Lat_NOW is current latitude.
The grid of this grid number=(C_NOW-1) * R+R_NOW
The present invention number sets up the structure of message index file in the multidate information database according to grid.As shown in Figure 5, index file is equivalent to an array, and the index of array and grid are number corresponding, the first address of the data file that wherein storage and this grid are number corresponding in each element in the array.Data file is used for storing the multidate information-message data of user's issue, and this document is to store data based on the form of chained list and array.System is initially the space (maximum storage record number is Max_Node) of each grid number node of distribution and deposits information; If it is full that deposit in this space; Then newly distribute the space of a node to deposit information more in addition, belong between each node of same grid number and connect into list structure.
The process that each user uses mobile phone to give out information, as shown in Figure 1.
Step 100 gets into this process, changes step 101.
Step 101, the user uses mobile phone to pass through wireless network and receives the cartographic information from central server, and it is presented on the mobile phone screen, changes step 102.
Step 102, the user selects the operation of " giving out information " on mobile phone, change step 103.
Step 103, it is " based on the message of point " or " based on the message of line " that mobile phone prompting user need specify the message that will issue.If the cellphone subscriber selects " based on the message of point ", then change step 104, if the cellphone subscriber selects " based on the message of line ", then change step 106.
Step 104, the user chooses certain key point by the cartographic information that shows on the mobile phone screen, changes step 105 then.
Step 105, mobile phone calculates longitude, the latitude coordinate of this key point, changes step 108.
Step 106, the user chooses a plurality of key points by the cartographic information that shows on the mobile phone screen, and mobile phone is linked to be line according to these key points and shows to let the cellphone subscriber confirm whether this line meets the requirements on screen then, if meet the requirements then change step 107; Otherwise, revise key point by the user, mobile phone repeats the action that above-mentioned line shows and confirms, and each key point on line is identified, and changes step 107.
Step 107, mobile phone calculates longitude, the latitude coordinate of these key points, changes step 108.
Step 108, the user comprises the message data of type, title and the detailed content of the message that will issue to the mobile phone input.The type of message comprises the instant message with valid expiration date and does not establish the permanent message in effective time limit; Instant messages such as traffic events, localized weather situation, sales promotion information etc.Permanent information is like newly-increased point of interest, deletion point of interest, modification interest point information etc.For instant message,, the user should specify a valid expiration date when issuing by the prompting of mobile phone, if the user does not specify, then system default is specified a valid expiration date (as 1 hour) for it.Central server checks the type of message of each message data of preserving in the multidate information database at one's leisure, if certain message data is instant message, and the valid expiration date that has crossed this message data is just with its deletion; If certain message data is permanent message, then keep this message data, up to having cellphone subscriber or service end system keeper that it is made amendment or deleting always.Change step 109.
Step 109, mobile phone is formed message with longitude, the latitude coordinate of message data and above-mentioned key point, changes step 110.
Step 110, mobile phone is uploaded to central server through wireless network with this message; Change step 111.
Step 111 withdraws from this process.
Central server receives and preserve the process of the message of mobile phone issue, and is as shown in Figure 2.
Step 200 gets into this process, changes step 201.
Step 205 withdraws from this process.
Central server sends the process that the map object data message is given mobile phone, and is as shown in Figure 3.
Step 300 gets into this process, changes step 301.
Longitude and latitude, mobile phone screen size and the displaying ratio chi information at the center, viewing area that step 302, central server provide according to mobile phone are calculated map meshes number that the map of treating this handset displays should cover and corresponding grid number, change step 303.
Step 308 withdraws from this process.
The above is merely preferred embodiment of the present invention, does not limit the scope that the present invention implements with this, and the equivalence of doing according to technical scheme of the present invention and description changes and modification, all should belong to the scope that the present invention is contained.
Claims (4)
1. location-based self-service information distribution method comprises mobile phone and sends the map object data message to three processes of mobile phone to message and the central server that central server gives out information, central server receives and the preservation mobile phone is issued;
Mobile phone has to the step that central server gives out information:
Steps A, mobile phone receives the cartographic information from central server through wireless network, and it is presented on the mobile phone screen;
Step B, the cellphone subscriber is by the cartographic information designated key point that shows on the mobile phone screen, and mobile phone calculates longitude, the latitude coordinate of above-mentioned key point; It is " based on the message of point " or " based on the message of line " that the cellphone subscriber need specify the message that will issue; If the cellphone subscriber selects " based on the message of point ", the cellphone subscriber chooses certain key point by the cartographic information that shows on the mobile phone screen, and mobile phone calculates longitude, the latitude coordinate of this key point then; If the cellphone subscriber selects " based on the message of line "; The cellphone subscriber chooses a plurality of key points by the cartographic information that shows on the mobile phone screen; Mobile phone is linked to be line according to these key points then; Let the cellphone subscriber confirm whether this line meets the requirements, if meet the requirements then longitude, the latitude coordinate of these key points of mobile phone calculating;
Step C, cellphone subscriber's input comprises the message data of type, title and the detailed content of the message that will issue, and mobile phone is formed message with longitude, the latitude coordinate of message data and above-mentioned key point and is uploaded to central server through wireless network;
The step that central server received and preserved the message of mobile phone issue has:
After step D, central server receive the message that user mobile phone sends, according to the longitude of the key point that this message comprised, the grid of the above-mentioned key point of latitude coordinate information calculations in map number;
Step e, central server number deposits the message data of this message in the multidate information database by its corresponding grid;
Central server sends the map object data message and has for the step of mobile phone:
Step F, central server receives the displayed map request from mobile phone, and this request comprises longitude and latitude, mobile phone screen size and the displaying ratio chi at center, viewing area;
Step G; Longitude and latitude, mobile phone screen size and the displaying ratio chi information at the center, viewing area that central server provides according to mobile phone; Map meshes number that the map of this handset displays should cover and corresponding grid number are treated in calculating; From map data base, extract and above-mentioned grid number corresponding original map data information then; Extract and the above-mentioned grid message data that number corresponding user mobile phone is issued from dynamic information database simultaneously, both are superimposed is packaged into map object data message packet;
Step H, central server sends to the mobile phone of filing a request with above-mentioned map object data message packet through wireless network;
Step I, mobile phone receives the map object data message packet from central server through wireless network, and this packet is decomposed into cartographic information and message data, the character of the figure of displayed map information and message data on mobile phone screen.
2. location-based self-service information distribution method according to claim 1 is characterized in that: among the described step D, after central server receives the message of user mobile phone transmission, verify the reliability of this message earlier; If checking is passed through, then central server is according to the longitude of the key point that this message comprised, the grid of the above-mentioned key point of latitude coordinate information calculations in map number.
3. location-based self-service information distribution method according to claim 2; It is characterized in that: among the described step D; An in store blacklist table in central server; When the content of certain message of central server report was untrue, then the central server user that will send this message originally added in the blacklist table as user mobile phone, and set the number that this user of counter records sends spoofing for this user; The user that this message is sent in inspection earlier during the reliability of the message that central server checking is received whether in the blacklist table, if in this table then the reliability demonstration of the message that received of judgement do not pass through; If the user who sends this message checks further whether this user's counter reaches the set upper limit value in the blacklist table, do not reach the set upper limit value and judge that then the reliability demonstration of the message that is received passes through; When this counter reaches the set upper limit value, judge that the message that is received can not be through reliability demonstration.
4. according to claim 1 or 2 or 3 described location-based self-service information distribution methods, it is characterized in that: the type of the message of being imported by the cellphone subscriber among the described step C comprises the instant message with valid expiration date and does not establish the permanent message in effective time limit; Central server checks the type of message of each message data of preserving in the multidate information database at one's leisure, if certain message data is instant message, and the valid expiration date that has crossed this message data is just with its deletion; If certain message data is permanent message, then keep this message data, up to having cellphone subscriber or service end system keeper that it is made amendment or deleting always.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102779121A (en) * | 2011-05-09 | 2012-11-14 | 腾讯科技（深圳）有限公司 | Event content information acquiring method and system |
| CN102262666B (en) * | 2011-07-27 | 2013-09-18 | 夏同生 | System for processing category information on electronic map |
| JP2014022855A (en) * | 2012-07-17 | 2014-02-03 | Sony Corp | Information processing device, communication system, and information processing method |
| CN102946420B (en) * | 2012-10-29 | 2016-04-27 | 江苏国遥信息科技有限公司 | Based on the outdoor safety incipient fault data Capture and publish system and method for mobile device |
| CN103888895B (en) * | 2012-12-20 | 2018-12-18 | 腾讯科技（深圳）有限公司 | information processing method, server apparatus and mobile terminal |
| CN103220376B (en) | 2013-03-30 | 2014-07-16 | 清华大学 | Method for positioning IP (Internet Protocol) by position data of mobile terminal |
| CN106250383A (en) * | 2016-03-07 | 2016-12-21 | 上海驴徒电子商务有限公司 | A kind of outdoor circuit editing system based on LBS alignment system |
| CN106503062B (en) * | 2016-09-28 | 2019-11-12 | 广东小天才科技有限公司 | Social dynamic publishing method and device and user terminal |
| CN108540534A (en) * | 2018-03-16 | 2018-09-14 | 青岛海信移动通信技术股份有限公司 | A kind of determination method and device in the full frame region of terminal |
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