CN101478720A - Position sensing information obtaining system - Google Patents
Position sensing information obtaining system Download PDFInfo
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- CN101478720A CN101478720A CNA2009100776030A CN200910077603A CN101478720A CN 101478720 A CN101478720 A CN 101478720A CN A2009100776030 A CNA2009100776030 A CN A2009100776030A CN 200910077603 A CN200910077603 A CN 200910077603A CN 101478720 A CN101478720 A CN 101478720A
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Abstract
The present invention mainly relates to a position perception information acquiring system which comprises an information server and at least one mobile terminal. The information server stores geographical information and medium information, and transmits the medium information of geographical area where the mobile is to a mobile terminal according to the present position information of mobile terminal. The mobile terminal transmits the present position information of mobile terminal to the information server after acquiring the present position information from base station or global positioning system for receiving and playing medium information. The position perception information acquiring system of the invention can provide comprehensive, abundant and visual medium information related to the geographical area where the mobile is to the user, and can be widely applied in various environmental information acquiring systems.
Description
Technical field
The present invention relates to a kind of technology for information acquisition, particularly relate to a kind of position sensing information obtaining system.
Background technology
At present, in navigation system and based on network geographical information query system, the current location with geographic object or user is a basic point usually, obtains the user and pays close attention to geographical environment information in the scope.
In auto-navigation system, navigation terminal passes through the current location that global positioning system (GPS, Global PositionSystem) is determined automobile, according to the scope of user's selection, obtain geographical environment information on every side from navigation terminal, and geographical environmental information is presented on the navigator on every side.Here, geographical environment information is that mode with terrain graph and surrounding enviroment markup information is presented on the navigator.
For based on network geographical information query system, for example, public transportation enquiry system, it is made of information server and user terminal usually, the user is according to own residing current location and target geographic object, at the keyword of user terminal input current location and target geographic object,, obtain environmental information in the user-selected scope from information server by the network inquiry mode.In the based on network geographical information query of this class system, what store on the information server also is terrain graph and environment markup information.In addition,, depend on the user to the geographic name of current location and the understanding of geographic object owing to obtain environmental information by the network inquiry mode, so, the awkward problem of user also caused.
This shows that in the prior art, obtain the geographical environment information in the user-selected scope, the user can only obtain the terrain graph and the environment markup information of this geographical environment information, the information content is more single; And prior art also can't be passed through media modes such as video, voice, with more comprehensively, abundanter geographical environment information offers the user visually.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of position sensing information obtaining system, make the user can obtain the geographic area set about scope comprehensively, abundant, vivid media information.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of position sensing information obtaining system, described system comprises information server and at least one portable terminal; Wherein,
Information server is used for geographic area and media information thereof that memory range is set; Portable terminal current location information in the reporting message that sends according to portable terminal is sent to portable terminal with the media information of the residing geographic area of portable terminal;
Portable terminal is used for from the base station or global positioning system is obtained the portable terminal current location information, and the reporting message that will comprise the portable terminal current location information is sent to information server, receives the also media information of broadcast information server transmission.
In sum, in the position sensing information obtaining system that the present invention proposes, what store in the information server is geographic area and the media information thereof that scope is set, and is not only geographic pattern or environment markup information; The portable terminal current location information that information server sends according to portable terminal is sent to portable terminal with the media information of the residing geographic area of portable terminal.The content of media information is provided with according to actual needs, and the content of media information is relatively more comprehensive, abundant, such as, media information content can comprise guide's content of tourist attractions in the geographic area, the local conditions and customs in this geographic area or the like.In the practical application, the position sensing information obtaining system that the present invention proposes also can be applicable to the occasions such as information broadcast of specific region, such as, in the warning region of police's appointment, when mobile phone users enters warning region, will receive the blockade warning message.In addition, portable terminal can pass through modes such as voice playing, video playback, represents media information content vividerly.
Description of drawings
Fig. 1 forms schematic diagram for the structure of position sensing information obtaining system of the present invention.
Fig. 2 is the composition structural representation of portable terminal of the present invention.
Fig. 3 comprises the composition structural representation of the portable terminal of memory cell for the present invention.
Fig. 4 is first kind of composition structural representation of locating information acquiring unit of the present invention.
Fig. 5 is second kind of composition structural representation of locating information acquiring unit of the present invention.
Fig. 6 is the composition structural representation of communication unit of the present invention.
Fig. 7 is a kind of composition structural representation of media play unit of the present invention.
Fig. 8 is the flow chart of location-aware acquisition methods of the present invention.
Fig. 9 is the composition structural representation of the described position sensing information obtaining system of present embodiment.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 1 forms schematic diagram for the structure of position sensing information obtaining system of the present invention.As shown in Figure 1, position sensing information obtaining system of the present invention comprises information server 1 and at least one portable terminal 2; Wherein,
Information server 1 is used for geographic area and media information thereof that memory range is set; Portable terminal current location information in the reporting message that sends according to portable terminal 2 is sent to portable terminal 2 with the media information of portable terminal 2 residing geographic areas.
Portable terminal 2 is used for from the base station or global positioning system is obtained the portable terminal current location information, and the reporting message that will comprise the portable terminal current location information is sent to information server 1, receives the also media information of broadcast information server 1 transmission.
In the practical application, the geographic area can depend on geographic object.Geographic object can be an in esse geographic object in the geographic area, also can be the geographic object that the user sets up on their own in the geographic area.
When geographical zone depended on geographic object, the geographic area was for being the center with the geographic object current location, and zone radius is the border circular areas of set point; Perhaps, the geographic area is that regional extent is [x-α
1, x+ α
2, y-β
1, y+ β
2] square region; Wherein, x is the longitude of geographic object current location, and y is the latitude of geographic object current location, α
1And α
2Be the longitude side-play amount of geographic object current location, β
1And β
2Be the latitude side-play amount of geographic object current location, x, y, α
1, α
2, β
1, β
2Be real number.
When geographical zone does not rely on geographic object, the closed area that the marginal dot sequency more than three that sets in advance is formed by connecting of serving as reasons, geographic area.Judge with whether the method in this closed area comprises portable terminal:
Step a, the central point of portable terminal current location and each limit point are connected.
Step b, be basic point, any one limit point as the first marginal point, is traveled through each marginal point in proper order with the central point of portable terminal current location.
After step c, order travel through each limit point, judge the angle excursion of the line that put in the basic point and first limit, if the angle excursion less than 360 °, then portable terminal be in this closed area outside; Equal 360 ° if angle changes, then portable terminal is within this closed area.
In the practical application, the media information of geographic area is information such as the text, image, audio frequency, video of geographic area correspondence.The content of these texts, image, audio frequency, video information can be all possible content, such as, the historical brief introduction of tourist attractions introduction, geographic area, the people's folk song feelings in the scope of geographic area or the like.In addition, if when the content of the media information of geographic area is bigger, the mode that information server 1 can adopt subpackage to handle is sent to portable terminal 2 with the media information of the residing geographic area of portable terminal.
In the practical application, information server 1 can also be stored sign, type and the priority of geographic area.Portable terminal 2 can also send the terminal capability of sign, mobile terminal user type and the portable terminal of portable terminal except sending the portable terminal current location information to information server 1.Wherein, the sign of geographic area is identified geographic region uniquely, and this sign can be generated automatically by the system of information server 1; The type of geographic area comprises tourist attractions, administrative division, amusement and leisure, public safety etc.; The sign of portable terminal is determined portable terminal 2 uniquely; The mobile terminal user type comprises user in the visitor, administrative division, searches the user in amusement and leisure place, is subjected to the user of security threat etc.; The terminal capability of portable terminal comprises communication standard that portable terminal supports, media play ability, display screen size etc.
The type of geographic area and mobile terminal user type are one to one.In the practical application, the reporting message that portable terminal 2 sends to information server 1 can comprise the terminal capability of sign, mobile terminal user type and the portable terminal of portable terminal current location information, portable terminal; Information server 1 is according to the type of the geographic area of mobile terminal user type correspondence, search the media information of residing, the corresponding geographic area of portable terminal 2 with the type of this geographic area, and, will be sent to portable terminal 2 with the media information that terminal capability is complementary according to the terminal capability of the portable terminal that sign identified 2 of portable terminal.
In addition, when portable terminal 2 was in the scope that a plurality of geographic area covers, information server 1 according to priority order from high to low, selected the media information of one or more geographic areas to send to portable terminal 2 successively according to the priority of geographic area.If the residing more than one geographic area of portable terminal has equal priority, so, information server 1 can be according to actual needs, according to the condition that sets up on their own such as the shortest of the distance between portable terminal and the geographic object, selects from this more than one geographic area.
In the position sensing information obtaining system of the present invention, portable terminal sends the portable terminal current location information to information server, information server to himself the storage all geographic areas and the correlation between the portable terminal judge one by one, promptly, in the time of in portable terminal is in the geographic area scope, portable terminal is relevant with the geographic area; In the time of outside portable terminal is in the geographic area scope, portable terminal and geographic area are uncorrelated; The media information of the residing geographic area of portable terminal is sent to portable terminal.
Fig. 2 is the composition structural representation of portable terminal of the present invention.As shown in Figure 2, portable terminal 2 comprises locating information acquiring unit 21, communication unit 22, central processing unit 23 and media play unit 24; Wherein,
Locating information acquiring unit 21 is used for obtaining the portable terminal current location information from the base station, and perhaps, the satellite-signal that sends according to global positioning system obtains the portable terminal current location information, and the portable terminal current location information is sent to central processing unit 23.
Communication unit 22 is used to receive the media information that information server 1 sends, and media information is carried out demodulation, decoding processing successively, and decoded media information is sent to central processing unit 23; Reporting message to central processing unit 23 transmissions is encoded successively, modulation treatment, and the reporting message after will modulating is sent to information server 1.
Central processing unit 23, the portable terminal current location information that is used for receiving from locating information acquiring unit 21 is converted to the reporting message that comprises portable terminal current location message, and this reporting message is sent to communication unit 22; The type of the media information that communication unit 22 is sent judges, when the type of media information be media play unit can discern file type the time, media information is sent to media play unit 24.
In the practical application, the type of media information is audio frequency, video etc.
Media play unit 24 is used to play the media information that central processing unit 23 sends.
Fig. 3 comprises the composition structural representation of the portable terminal of memory cell for the present invention.As shown in Figure 3, portable terminal 2 also comprises memory cell 25, is used for the sign of memory mobile terminal, the type of portable terminal and the terminal capability of portable terminal; Central processing unit 23 also is used for reading from memory cell 25 terminal capability of sign, mobile terminal user type and the portable terminal of portable terminal, after the terminal capability of the sign of the portable terminal that reads, mobile terminal user type, portable terminal and portable terminal current location information that locating information acquiring unit 21 sends be converted to reporting message, be sent to communication unit 22.
Fig. 4 is first kind of composition structural representation of locating information acquiring unit of the present invention.As shown in Figure 4, when locating information acquiring unit 21 obtained the portable terminal current location information from the base station, locating information acquiring unit 21 comprised receiver module 210, and the portable terminal current location information that is used for receiving from the base station is sent to central processing unit 23.
Fig. 5 is second kind of composition structural representation of locating information acquiring unit of the present invention.As shown in Figure 5, when the satellite-signal that sends according to global positioning system when locating information acquiring unit 21 obtained the portable terminal current location information, locating information acquiring unit 21 comprised antenna 211 and signal processing module 212; Wherein,
Antenna 211 is used for receiving the satellite-signal that comprises the portable terminal current location information from global positioning system, and this satellite-signal is sent to signal processing module 212.
Signal processing module 212 is used for extracting the portable terminal current location information from the satellite-signal of antenna transmission, and the portable terminal current location information that extracts is sent to central processing unit 23.
Fig. 6 is the composition structural representation of communication unit of the present invention.As shown in Figure 6, communication unit 22 comprises reception/transmitter 221, modulator/demodulator 222 and coder/decoder 223; Wherein,
Reception/transmitter 221 is used to receive the media information that information server 1 sends, and this media information is sent to modulator/demodulator 222; Portable terminal current location message after the modulation that is used for receiving from modulator/demodulator is sent to information server 1.
Modulator/demodulator 222 is used for the media information that reception/transmitter 221 sends is carried out demodulation process, and the media information after the demodulation is sent to coder/decoder 223; Portable terminal current location message behind the coding of coder/decoder 223 transmissions is modulated, and the portable terminal current location message after will modulating is sent to reception/transmitter 221.
Coder/decoder 223, the media information after the demodulation that is used for modulator/demodulator 222 is sent carries out decoding processing, and decoded media information is sent to central processing unit 23; The portable terminal current location message that central processing unit 23 sends is encoded, the portable terminal current location message behind the coding is sent to modulator/demodulator 222.
In the practical application, media play unit 24 can include only audio player 241, also can include only video player 242, can also comprise audio player 241 and video player 242 simultaneously.Fig. 7 is a kind of composition structural representation of media play unit of the present invention.As shown in Figure 7, media play unit 24 comprises audio player 241 and video player 242; Wherein,
Audio player 241 is used to play the audio-frequency information that central processing unit 23 sends.
Video player 242 is used to play video information, image information or the text message that central processing unit 23 sends.
In the practical application, after portable terminal also can be converted to audio-frequency information with text message, play by audio player 241.
In the portable terminal of position sensing information obtaining system of the present invention, the type of the media information of 23 pairs of receptions of central processing unit is judged, when the type of media information is audio types, central processing unit 23 is sent to audio player 241 with this media information corresponding audio information, and audio player 241 is play this audio-frequency information; When the type of media information was video type, central processing unit 23 was sent to video player 242 with the video information of this media information correspondence, and video player 242 is play this video information.
In a word, in the position sensing information obtaining system of the present invention, geographic area and media information thereof that information server stores has scope to set; Information server is according to the portable terminal current location information of mobile terminal reporting, and the media information of the residing geographic area of portable terminal is sent to portable terminal.The geographic area of information server stores and media information content are not limited only to terrain graph and environment markup information, but all possible content that the user paid close attention to, the form of media information can be text, image, Voice ﹠ Video etc.Like this, mobile phone users can be in modes such as voice playing, video playback, the media information content that represent comprehensively, enriches vividerly.
Fig. 8 is the flow chart of location-aware acquisition methods of the present invention.As shown in Figure 8, location-aware acquisition methods of the present invention comprises the steps:
In the practical application, portable terminal 2 can be at regular intervals section (such as, 5 minutes) send a portable terminal current location information to information server 1, perhaps, when residing position surpassed certain distance (such as 100 meters) with distance between the portable terminal current location when 2 last time of portable terminal sent the portable terminal current location information to information server 1, portable terminal 2 was to information server 1 transmission portable terminal current location information.
The media information that step 83, mobile terminal playing receive.
In the practical application, after the portable terminal current location changed, the user can be provided with according to actual needs: information server is to the media information of portable terminal transmission with the residing new geographic area of portable terminal.
Embodiment
In the present embodiment, for the geographic area that comprises tourist attractions A1, when carrying mobile terminal user when being in this geographic area, the user can hear the introduction about tourist attractions A1 of mobile terminal playing.
Fig. 9 is the composition structural representation of the described position sensing information obtaining system of present embodiment.As shown in Figure 9, the described position sensing information obtaining system of present embodiment comprises information server and portable terminal.Information server is the self-help guide server.Portable terminal comprises locating information acquiring unit, communication unit, central processing unit, memory cell and media play unit, and the locating information acquiring unit adopts the GPS localization method to obtain the portable terminal current location information, comprises antenna and signal processing module; Media play unit is an audio player.
The self-help guide server stores has sign, title, geographic area, concern radius, each center, tourist spot longitude and the latitude of each tourist attractions, longitude side-play amount and latitude side-play amount, limit point and the geographic area corresponding audio files of each center, tourist spot, and the concern radius of each tourist attractions, longitude side-play amount and latitude side-play amount can be set up on their own according to actual needs by the user.The partial content of each tourist attractions of self-help guide server stores is shown in Table 1, and setting radius is 1000 meters.In the present embodiment, set 5 limit points B1, B2, B3, B4, B5, the tourist attractions center position be (x, y), longitude side-play amount, latitude side-play amount are 0.1 and spend; Wherein, x is the longitude of tourist attractions central point, and y is the latitude of tourist attractions central point.
Table 1
| The scope sign | Title | Longitude x | Latitude y | Set radius (rice) |
| A1 | Xx commemorates platform | 103.245 | 38.229 | 1000 |
| A2 | The Xx ruins | 104.099 | 35.624 | 500 |
In this example, portable terminal all is connected on the internet with information server, the agreement of bottom communication is TCP/IP (transmission control protocol/iso-ip Internetworking protocol ISO-IP) agreement, the upper strata then adopts web to serve employed HTTP (Hypertext Transmission Protocol), information server is as the web server, the domain name of main frame is www.postech.com, monitors 80 ports, and portable terminal is initiated professional request to this address.The mutual of following message all uses the primitive of http protocol to be described.
In the present embodiment, the portable terminal per minute to the automatic guiding server send portable terminal current location information (mx, my), the sign of portable terminal etc.; Wherein, mx is the longitude of portable terminal current location, and my is the latitude of portable terminal current location.
After the automatic guiding server is received the portable terminal current location information, to self the storage all geographic areas and the correlation of portable terminal judge one by one.Correlation between geographic area and the portable terminal is judged the following three kinds of situations that are divided into:
First kind of situation is if the geographic area is a border circular areas, so, the geographic area is that center, radius are the circular geographic area of set point for the center with tourist attractions A1, as Distance (mx, my, x, y)＜=1000 o'clock, portable terminal is in the geographic area under the A1 of tourist attractions.Wherein, Distance is according to the longitude of two location points and the distance function of latitude calculating location dot spacing.
Second kind of situation is if the geographic area is a square region, so, the geographic area is (x-0.1, x+0.1, y-0.1, y+0.1), when satisfying x-0.1＜=mx＜=x+0.1, y-0.1＜=my＜=y+0.1 simultaneously, portable terminal is in the square geographic area under the A1 of tourist attractions.
The third situation if the geographic area under the A1 of tourist attractions is the closed area that is linked in sequence and is formed by limit point B1, B2, B3, B4, B5, so according to above-mentioned steps 91～93 described methods, judges whether portable terminal is in this closed area.
When portable terminal was in the geographic area of one of above-mentioned three kinds of situations, the automatic guiding server was sent to portable terminal with guide's content of geographic area under the A1 of tourist spot in the mode of audio stream.After the central processing unit of portable terminal is determined the type of guide's content, send audio stream to audio player, audio player is play guide's content to mobile phone users.
By present embodiment, realized automatic explanation to tourist attractions.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1, a kind of position sensing information obtaining system is characterized in that, described system comprises information server and at least one portable terminal; Wherein,
Information server is used for geographic area and media information thereof that memory range is set; Portable terminal current location information in the reporting message that sends according to portable terminal is sent to portable terminal with the media information of the residing geographic area of portable terminal;
Portable terminal is used for from the base station or global positioning system is obtained the portable terminal current location information, and the reporting message that will comprise the portable terminal current location information is sent to information server, receives the also media information of broadcast information server transmission.
2, system according to claim 1 is characterized in that, described geographic area is for being that center, radius are the border circular areas of set point with the geographic object current location; Perhaps,
Described geographic area is that regional extent is [x-α
1, x+ α
2, y-β
1, y+ β
2] square region; Wherein, x is the longitude of geographic object current location, and y is the latitude of geographic object current location, α
1And α
2Be the longitude side-play amount of geographic object current location, β
1And β
2Be the latitude side-play amount of geographic object current location, x, y, α
1, α
2, β
1, β
2Be real number; Perhaps,
The zone that the marginal dot sequency more than three that sets in advance is formed by connecting of serving as reasons, described geographic area.
3, system according to claim 1 is characterized in that, described portable terminal comprises locating information acquiring unit, communication unit, central processing unit and media play unit; Wherein,
The locating information acquiring unit is used for obtaining the portable terminal current location information from the base station, and perhaps, the satellite-signal that sends according to global positioning system obtains the portable terminal current location information, and the portable terminal current location information is sent to central processing unit;
Communication unit is used to receive the media information that described information server sends, and media information is carried out demodulation, decoding processing successively, and decoded media information is sent to central processing unit; Reporting message to the central processing unit transmission is encoded successively, modulation treatment, and the reporting message after will modulating is sent to described information server;
Central processing unit, the portable terminal current location information that is used for receiving from the locating information acquiring unit is converted to the reporting message that comprises portable terminal current location message, and this reporting message is sent to communication unit; The type of the media information that communication unit is sent judges, when the type of media information be media play unit can discern file type the time, media information is sent to media play unit;
Media play unit is used to play the media information that central processing unit sends.
4, system according to claim 3 is characterized in that, described portable terminal also comprises memory cell, is used for sign, the mobile terminal user type of memory mobile terminal, the terminal capability of portable terminal;
Described central processing unit, also be used for reading the terminal capability of sign, mobile terminal user type and the portable terminal of portable terminal from memory cell, after the terminal capability of the sign of the portable terminal that reads, mobile terminal user type, portable terminal and portable terminal current location information that described locating information acquiring unit sends be converted to reporting message, be sent to described communication unit.
5, system according to claim 3, it is characterized in that, when described locating information acquiring unit obtains the portable terminal current location information from the base station, described locating information acquiring unit comprises receiver module, and the portable terminal current location information that is used for receiving from the base station is sent to described central processing unit.
6, system according to claim 3 is characterized in that, when the satellite-signal that described locating information acquiring unit sends according to global positioning system obtained the portable terminal current location information, described location acquiring unit comprised antenna, signal processing module; Wherein,
Antenna is used for receiving the satellite-signal that comprises the portable terminal current location information from global positioning system, and this satellite-signal is sent to signal processing module;
Signal processing module is used for extracting the portable terminal current location information from the satellite-signal of antenna transmission, and the portable terminal current location information that extracts is sent to described central processing unit.
7, system according to claim 3 is characterized in that, described communication unit comprises reception/transmitter, modulator/demodulator and coder/decoder; Wherein,
Reception/transmitter is used to receive the media information that described information server sends, and this media information is sent to modulator-demodulator; Portable terminal current location message after the modulation that is used for receiving from modulator/demodulator is sent to described information server;
Modulator/demodulator is used for the media information that reception/transmitter sends is carried out demodulation process, and the media information after the demodulation is sent to coder/decoder; Portable terminal current location message behind the coding of coder/decoder transmission is modulated, and the portable terminal current location message after will modulating is sent to reception/transmitter;
Coder/decoder, the media information after the demodulation that is used for modulator/demodulator is sent carries out decoding processing, and decoded media information is sent to described central processing unit; The portable terminal current location message that described central processing unit sends is encoded, the portable terminal current location message behind the coding is sent to modulator/demodulator.
8, system according to claim 3 is characterized in that, described media play unit comprises audio player, is used to play the audio-frequency information that described central processing unit sends.
9, according to claim 3 or 8 described systems, it is characterized in that described media player comprises video player, be used to play video information, image or the text that described central processing unit sends.
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