CN101625245A - Navigation terminal and navigation method - Google Patents
Navigation terminal and navigation method Download PDFInfo
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- CN101625245A CN101625245A CN200910091106A CN200910091106A CN101625245A CN 101625245 A CN101625245 A CN 101625245A CN 200910091106 A CN200910091106 A CN 200910091106A CN 200910091106 A CN200910091106 A CN 200910091106A CN 101625245 A CN101625245 A CN 101625245A
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- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
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Abstract
The invention discloses a navigation terminal and a navigation method. The navigation terminal comprises a position information acquisition module, a communication module, a map data storage module, a navigation control module and a voice broadcast module, wherein the communication module comprises a first communication unit used for receiving map data with a specified user mark; the map data storage module is used for storing the map data with the specified user mark; the navigation control module is used for calculating the relative position information and a linear distance of coordinates of a destination and current positioning coordinates of the navigation terminal and reading the data information in the map data of peripheral areas of the current positioning coordinates from the map data storage module; and the voice broadcast module is used for connecting with the navigation control module, converting relative positions, the linear distance and the data information into voice signals and outputting the signals.
Description
Technical field
The present invention relates to a kind of navigation terminal and air navigation aid, and be particularly related to a kind of navigation terminal and air navigation aid that destination relative position prompting can be provided according to the navigation map data that the user draws.
Background technology
Existing terminal guidance technology is a kind of airmanship based on location technology, it combines positioning system with portable terminal, the locating information of longitude, latitude etc. not only can be provided for the user, also can provide the help of navigating more intuitively for the user, the guiding user arrives the destination, the trip that is convenient for people to.Navigation terminal is according to the data of navigation map, for the user provides road search, functions such as outer fix, route planning, range finding, navigation and Voice Navigation.Navigation map in the navigation terminal is to obtain from map provider, and is built in the storage medium of navigation terminal, and the user needs regularly to carry out the renewal of map datum by map datum provider, to keep the accuracy of navigation terminal navigation.
Yet, need in the existing navigation terminal to leave bigger space so that store map data, and drawing company is longer to the navigation map update cycle, generally be at least half a year, and generally not that national figure is upgraded, only upgrade the partly map in city, the user can only check or searches for and can not edit, can't in time mark the significant object of reference that lacks in the navigation map data according to the needs of oneself navigation map data; Present navigation map data often can only be accurate to the peripheral path of destination, and to the destination that does not have road markings among a small circle the area in can't provide navigation information, navigation map often can not enough be directed to the destination accurately with the visitor for these reasons.In addition, situations such as traffic congestion occur on navigation circuit, existing airmanship often can not in time provide beyond the optimal route of current navigation other to go to the travel route of destination, so navigation effect is subjected to the restriction of real road traffic condition bigger.
Summary of the invention
The present invention is directed in the existing airmanship, navigation data is subjected to the influence of navigation map update time and link change, can not provide accurate navigation hint for the user; When emergency situations appears in the road traffic, existing airmanship can not in time provide the optionally shortcoming of other travel route, a kind of navigation terminal that destination relative position prompting can be provided according to the navigation map data that the user draws is provided, navigation terminal obtains to have the map datum of designated user sign from the management map platform, current direction of motion with navigation terminal is reference orientation, by judging the relative position of destination and navigation terminal, for the user makes navigation hint.
For achieving the above object, the embodiment of the invention provides a kind of navigation terminal, comprises position information acquisition module, also comprises communication module, map datum memory module, Navigation Control module and voice broadcast module, wherein,
Described communication module, link to each other with described map datum memory module, be used to receive the map datum that has the designated user sign, the described map datum that has the designated user sign is the map datum of the destination data information of described designated user drafting, described destination data information comprises the data message of neighboring area, destination and/or the important area corresponding with the destination, described data message comprises at least: significant object of reference, the theory movement direction of turning prompting and arrive the destination in the crossing;
Described map datum memory module links to each other with described communication module, is used to preserve the described map datum that has the designated user sign;
Described Navigation Control module, link to each other with the map datum memory module with described position information acquisition module, calculate the coordinate of described destination and described position information acquisition module relative position and air line distance, read described data message the map datum of described current positioning coordinate neighboring area from described map datum memory module to the elements of a fix of described navigation terminal;
Described voice broadcast module links to each other with described Navigation Control module, and described relative position, air line distance and data message are converted into voice signal output.
To achieve these goals, the embodiment of the invention also provides a kind of air navigation aid, and concrete steps are as follows:
Step 1, navigation terminal receive the map datum that has the designated user sign and preserve, the described map datum that has the designated user sign is the map datum of the destination data information of described designated user drafting, described destination data information comprises the data message of neighboring area, destination and/or the important area corresponding with the destination, described data message comprises at least: significant object of reference, the theory movement direction of turning prompting and arrive the destination in the crossing;
Step 2, navigation terminal are resolved the signal that receives from positioning system, go out the current positioning coordinate of navigation terminal position and mobile messages such as the movement velocity of navigation terminal and direction of motion according to described calculated signals;
Step 3, navigation terminal calculate the coordinate of described destination and the relative position information and the air line distance of described current positioning coordinate, read the described data message in the map datum of described current positioning coordinate neighboring area;
Step 4, navigation terminal are converted into voice signal output with described relative position, air line distance and data message.
Embodiments of the invention are on the basis of only preserving the map datum that has the designated user sign, saved the storage space of navigation terminal greatly, the map datum and the navigation data that provide according to designated user navigate, can promote accuracy of navigation, by obtaining the relative position of destination coordinate and current positioning coordinate, the significant object of reference that the user can mark in original map according to designated user, crossing turning prompting waits data message to judge whether travel route is correct, thereby the accuracy and the real-time of navigation have further been improved, the limitation that makes navigation information no longer be subjected to map datum not upgrade in time and to be brought.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of navigation terminal embodiment one of the present invention;
Fig. 2 is the structural representation of navigation terminal embodiment two of the present invention;
Fig. 3 is the structural representation of navigation terminal embodiment three of the present invention;
Fig. 4 is the schematic flow sheet of air navigation aid embodiment one of the present invention;
Fig. 5 is the schematic flow sheet of air navigation aid embodiment two of the present invention.
Embodiment
Fig. 1 is the structural representation of navigation terminal embodiment one of the present invention.In the present embodiment, as shown in Figure 1, navigation terminal comprises position information acquisition module 11, communication module 12, map datum memory module 13, Navigation Control module 14 and voice broadcast module 15.
Position information acquisition module 11 adopts Global Positioning System (GPS) (Global PositioningSystem; Hereinafter to be referred as GPS), but be not limited to GPS, it also can be Muscovite GLONASS (GLONASS) Global Positioning System (GPS), the Galileo global position system of European Union, the big-dipper satellite positioning system of China or other wireless local positioning system, as WI-FI etc., position information acquisition module 11 is resolved the signal that receives from GPS, go out the elements of a fix of the current position of navigation terminal and mobile messages such as the movement velocity of navigation terminal and direction of motion according to this calculated signals.Communication module 12, link to each other with map datum memory module 13, be used for receiving the map datum that the management map platform has the designated user sign, designated user can be destination user or other users, the map datum that has the designated user sign is meant, the place that the Function Identification oneself that this designated user provides by the management map platform is familiar with is as the destination, need the significant object of reference of mark in time in the map datum with neighboring area, original destination in the management map platform and/or the important area corresponding with the destination, indicative information, direction of motion etc. are added in original map datum as data message, and this part map datum that the management map platform will be made deposits in the system database as user ID with designated user.Map datum memory module 13, link to each other with communication module 12, be used to preserve the map datum that has the designated user sign, map datum memory module 13 can be a nonvolatile memory, as flash memory, can hold six map datums that have the designated user sign, yet, other embodiments of the invention are not limited thereto, and its memory capacity can be adjusted as required.Navigation Control module 14, link to each other with map datum memory module 13 with position information acquisition module 11, be used to obtain the coordinate of destination and the current elements of a fix of navigation terminal that position information acquisition module 11 calculates, calculate the coordinate of destination and the relative position information and the air line distance of current positioning coordinate, read data message the map datum of current positioning coordinate neighboring area from map datum memory module 13.Voice broadcast module 15, link to each other with Navigation Control module 14, be used for the data message that relative position information that Navigation Control module 14 is calculated and air line distance and Navigation Control module 14 obtain from map datum memory module 13 and be converted into voice signal output.
Principle of work to navigation terminal shown in Figure 1 is specifically addressed below.
Position with the first user place is the starting point, is the destination with the position at the second user place.At first, second user obtains original map data in the management map platform by a personal terminal, and this personal terminal refers to the client software that carries out communication by internet system and management map platform.The complicated highway section needs that are located in neighboring area, destination and/or the important area corresponding with the destination or away from purpose in the original map data that second user is familiar with second user by personal terminal in time turn prompting, direction of motion etc. of significant object of reference, the crossing of mark add in the navigation map data as data message, with the accuracy of map datum in raising neighboring area, destination that navigation map data was covered and/or the important area corresponding with the destination.For example, add object of reference along the line at important road, add crossing turning prompting at the staggered intensive place of road, and mark arrives the theory movement direction of destination on navigation map data, after completing, the navigation map data that has individuation data information that to make by personal terminal is uploaded to the management map platform, and this part navigation map that the management map platform will be made deposits in the system database as user ID with second user.First user's navigation terminal receives the map datum that management map platform place has second user ID.
In the present embodiment, the communication module 12 of navigation terminal receives in the management map platform and has the map datum of second user ID, and sends it to preservation in the map datum memory module 13.First user from the starting point in the operational process of destination, position information acquisition module 11 receives the signal that sends from gps system, the signal that receives by parsing, calculate the elements of a fix of the current position of navigation terminal, and mobile messages such as the movement velocity of navigation terminal and direction of motion.Navigation Control module 14, read the coordinate of destination in the navigation map data that map datum memory module 13 preserves and the current elements of a fix of navigation terminal that position information acquisition module 11 calculates, calculate the coordinate of destination and the relative position information and the air line distance of current positioning coordinate by program, and read data message the map datum of current positioning coordinate neighboring area from map datum memory module 13.With the current direction of motion of navigation terminal is reference orientation, when the drift angle of the coordinate of destination and the current elements of a fix is between ± 20 degree, the definition relative position is the dead ahead, when the drift angle of the coordinate of destination and the current elements of a fix at (70 degree,-20 spend) or (20 degree, 70 degree) in the interval, the definition relative position is left front or right front, and with the left of the method definition relative position, right-hand, dead astern, right back and left back.Yet other embodiments of the invention are not limited to this, and the viewpoint definition scope of relative position can be adjusted as required.Voice broadcast module 15 receives relative position information, air line distance and the data message that obtains in the Navigation Control module 14, is translated into the loudspeaker output of voice signal by navigation terminal, is that first user reports navigation information in good time.Relative position and air line distance prompting that first user provides by navigation terminal, the road of selecting to conform to the relative position direction and can approaching the destination advances towards the destination, judges that according to navigation data whether the peripheral situation of place road conforms to the data message that second user marks in the map datum that has second user ID.Navigation terminal guides first user to arrive the destination exactly by relative position, air line distance, turning prompting being provided to first user and along data messages such as road sign will, being embodied as first user's navigation.
The navigation terminal of present embodiment has been saved the storage space of navigation terminal greatly on the basis of only preserving the map datum that has the designated user sign.By judging the relative position of destination coordinate and current positioning coordinate, the defective that can avoid optimal route single in the existing airmanship under the burst traffic, can not in time meet an urgent need and point out, and the significant object of reference that the user can mark in original map according to designated user, crossing turning prompting waits data message to judge whether travel route is correct, thereby the accuracy and the real-time of navigation have further been improved, the limitation that makes navigation information no longer be subjected to map datum not upgrade in time and to be brought.
Fig. 2 is the structural representation of navigation terminal embodiment two of the present invention.In the present embodiment, as shown in Figure 2, navigation terminal comprises position information acquisition module 21, communication module 22, map datum memory module 23, Navigation Control module 24 and voice broadcast module 25, wherein communication module 22 comprises first communication unit 221 and second communication unit 222, and Navigation Control module 24 comprises first data processing unit 241 and second data processing unit 242.Wherein the 26S Proteasome Structure and Function of position information acquisition module 11 and map datum memory module 13 is identical among the 26S Proteasome Structure and Function of position information acquisition module 21 and map datum memory module 23 and the embodiment one, does not repeat them here.
In the present embodiment, first communication unit 221 links to each other with map datum memory module 23, receives the map datum that has the designated user sign in the management map platform by wireless network.Wireless network in the present embodiment is meant and utilizes GPRS (General Packet Radio Service) (GPRS) network, yet other embodiments of the invention are not limited thereto, and wireless network also can be global system for mobile communications (GSM) network, CDMA (CDMA) network or 3G (Third Generation) Moblie 3G network.Be specially, send information by a portable terminal to the management map platform, the navigation map data that will have second user ID with control management map platform is sent in first user's the navigation terminal by GSM network, cdma network, 3G network or GPRS network.Second communication unit 222, link to each other with map datum memory module 23, can link to each other with personal terminal by wireless or wired mode, this personal terminal obtains to have the map datum that designated user identifies from the management map platform, and second communication unit 222 receives the map datum that has the designated user sign in the personal terminal by wireless mode or wired mode.In the present embodiment, wired mode links to each other personal terminal for adopting data line with the second communication unit 222 of navigation terminal, and wireless mode is for adopting wireless transmission methods such as GPRS, CDMA, 3G or WI-FI.
First data processing unit 241, link to each other respectively with position information acquisition module 21, map datum memory module 23 and voice broadcast module 25, the current positioning coordinate of 21 pairs of navigation terminals of receiving position information acquisition module, mobile messages such as the movement velocity of the navigation terminal that obtains according to position information acquisition module 21 and direction of motion calculate the coordinate of destination and the relative position and the air line distance of current positioning coordinate.Second data processing unit 242, with position information acquisition module 21, map datum memory module 23 links to each other respectively with voice broadcast module 25, be used for current positioning coordinate according to navigation terminal, movement velocity and direction of motion, judge whether navigation terminal enters in the zone that navigation map data covered in the destination maps data memory module 23, in the zone that if navigation terminal does not enter navigation map data to be covered, then only from position information acquisition module 21, obtain the relative position of navigation terminal current positioning coordinate and destination coordinate and air line distance between the two by first data processing unit 241; If navigation terminal has entered in the zone that map datum covered, then the road that is read in the navigation map data of preserving in the map datum memory module 23 by second data processing unit 242 is turned prompting, road along data messages such as road object of reference promptings.
Principle of work to navigation terminal shown in Figure 2 is specifically addressed below.
Position with the first user place is the starting point, is the destination with the position at the second user place.At first, the complicated highway section needs that are located in neighboring area, destination and/or the important area corresponding with the destination or away from purpose in the original map data that second user is familiar with second user by personal terminal in time turn prompting, direction of motion etc. of significant object of reference, the crossing of mark add in the navigation map data as data message, with the accuracy of map datum in raising neighboring area, destination that navigation map data was covered and/or the important area corresponding with the destination.For example, add object of reference along the line at important road, add crossing turning prompting at the staggered intensive place of road, and mark arrives the theory movement direction of destination on navigation map data, after completing, the navigation map data that has individuation data information that to make by personal terminal is uploaded to the management map platform, and this part navigation map that the management map platform will be made deposits in the system database as user ID with second user.First user's navigation terminal links to each other with personal terminal by wireless mode or wired mode, and personal terminal will be sent to first user's navigation terminal from the map datum that has second user ID that the management map platform obtains.Above-mentioned wireless mode is for adopting GPRS, CDMA, 3G or WI-FI etc., and wired mode is for adopting data line.First user also can send information to the management map platform by a portable terminal, and the navigation map data that will have second user ID with control management map platform is sent in first user's the navigation terminal by wireless networks such as GPRS, CDMA, 3G or GSM
In the present embodiment, the second communication unit 222 of navigation terminal receives the map datum that has second user ID that personal terminal obtains by data line from the management map platform, and sends it to preservation in the map datum memory module 23.First user from the starting point in the operational process of destination, position information acquisition module 21 receives the signal that sends from gps system, the signal that receives by parsing, calculate the elements of a fix of the current position of navigation terminal, and mobile messages such as the movement velocity of navigation terminal and direction of motion.First data processing unit 241 reads the coordinate of destination in the navigation map data that map datum memory module 23 preserves and the current elements of a fix of navigation terminal that position information acquisition module 21 calculates, and, calculate the coordinate of destination and the relative position information and the air line distance of current positioning coordinate by program according to mobile messages such as the movement velocity of navigation terminal and direction of motion.With the current direction of motion of navigation terminal is reference orientation, when the drift angle of the coordinate of destination and the current elements of a fix is between ± 20 degree, the definition relative position is the dead ahead, when the drift angle of the coordinate of destination and the current elements of a fix at (70 degree,-20 spend) or (20 degree, 70 degree) in the interval, the definition relative position is left front or right front, and with the left of the method definition relative position, right-hand, dead astern, right back and left back.Yet other embodiments of the invention are not limited to this, and the viewpoint definition scope of relative position can be adjusted as required.Second data processing unit 242 is according to current positioning coordinate, movement velocity and the direction of motion of navigation terminal, judge whether navigation terminal enters in the zone that navigation map data covered in the map datum memory module 23, in the zone that if navigation terminal does not enter navigation map data to be covered, then only from position information acquisition module 21, obtain the relative position of navigation terminal current positioning coordinate and destination coordinate and air line distance between the two by first data processing unit 241; If navigation terminal has entered in the zone that navigation map data covered, then the road that is read in the navigation map data of preserving in the map datum memory module 23 by second data processing unit 242 is turned prompting, road along data messages such as road object of reference promptings.First user can also judge whether running route is correct according to above-mentioned data message on the basis that obtains destination relative position and air line distance.The data message that obtains in the relative position information that voice broadcast module 25 receptions first data processing unit 241 calculates and the air line distance and second data processing unit 242, relative position information, air line distance and data message are converted into the loudspeaker output of voice signal by navigation terminal, are that first user reports navigation information in good time.First user provides relative position, air line distance prompting and data message by navigation terminal, the preferred road of selecting to conform to the relative position direction and can approaching the destination advances towards the destination, judges according to navigation data whether the peripheral situation of place road conforms to the data message of second user setting.Navigation terminal is by providing relative position, air line distance, turning prompting and along data messages such as road sign will, to be embodied as first user's navigation, guiding first user to arrive the destination exactly to first user.
The navigation terminal of present embodiment allow the user by wireless mode and/wired mode downloads the navigation map data that has the designated user sign, when having saved the storage space of navigation terminal greatly, make navigation terminal support the several data downloading mode, improved the dirigibility of using.The map datum of the destination that has designated user sign that provides according to the user navigates, and can promote accuracy of navigation, improves the effect of navigation.
Fig. 3 is the structural representation of navigation terminal embodiment three of the present invention.In the present embodiment, as shown in Figure 3, navigation terminal comprises position information acquisition module 31, communication module 32, map datum memory module 33, Navigation Control module 34, voice broadcast module 35, display module 36 and operational processes module 37.Wherein the 26S Proteasome Structure and Function of position information acquisition module 11, communication module 12, map datum memory module 13, Navigation Control module 14 and voice broadcast module 15 is identical among the 26S Proteasome Structure and Function of position information acquisition module 31, communication module 32, map datum memory module 33, Navigation Control module 34 and voice broadcast module 35 and the embodiment one, does not repeat them here.
In the present embodiment, display module 36 links to each other with Navigation Control module 34, is used for the map datum of the current positioning coordinate peripheral region of show navigator terminal, combines with the function of voice broadcast module 35, with navigation data visualization, the sense of hearingization.Operational processes module 37 links to each other with voice broadcast module 35, be used to receive the repetition output order of user by the input equipment transmission of navigation terminal, and control voice broadcast module 35 repeats to export the voice signal of previous moment output.
Principle of work to navigation terminal shown in Figure 3 is specifically addressed below.
Position with the first user place is the starting point, is the destination with the position at the second user place.At first, the complicated highway section needs that are located in neighboring area, destination and/or the important area corresponding with the destination or away from purpose in the original map data that second user is familiar with second user by personal terminal in time turn prompting, direction of motion etc. of significant object of reference, the crossing of mark add in the navigation map data as data message, with the accuracy of map datum in raising neighboring area, destination that navigation map data was covered and/or the important area corresponding with the destination.For example, add object of reference along the line at important road, add crossing turning prompting at the staggered intensive place of road, and mark arrives the theory movement direction of destination on navigation map data, after completing, the navigation map data that has individuation data information that to make by personal terminal is uploaded to the management map platform, and this part navigation map that the management map platform will be made deposits in the system database as user ID with second user.First user's navigation terminal receives the map datum that management map platform place has second user ID.
In the present embodiment, the communication module 32 of navigation terminal receives in the management map platform and has the map datum of second user ID, and sends it to preservation in the map datum memory module 33.First user from the starting point in the operational process of destination, position information acquisition module 31 receives the signal that sends from gps system, the signal that receives by parsing, calculate the elements of a fix of the current position of navigation terminal, and mobile messages such as the movement velocity of navigation terminal and direction of motion.Navigation Control module 34, read the coordinate of destination in the navigation map data that map datum memory module 33 preserves and the current elements of a fix of navigation terminal that position information acquisition module 31 calculates, calculate the coordinate of destination and the relative position information and the air line distance of current positioning coordinate by program, and read data message the map datum of current positioning coordinate neighboring area from map datum memory module 33.With the current direction of motion of navigation terminal is reference orientation, when the drift angle of the coordinate of destination and the current elements of a fix is between ± 20 degree, the definition relative position is the dead ahead, when the drift angle of the coordinate of destination and the current elements of a fix at (70 degree,-20 spend) or (20 degree, 70 degree) in the interval, the definition relative position is left front or right front, and with the left of the method definition relative position, right-hand, dead astern, right back and left back.Yet other embodiments of the invention are not limited to this, and the viewpoint definition scope of relative position can be adjusted as required.Voice broadcast module 35 receives relative position information, air line distance and the data message that obtains in the Navigation Control module 34, is translated into the loudspeaker output of voice signal by navigation terminal, is that first user reports navigation information in good time.First user can transmit the repetition output order to operational processes module 37 by the input equipment of navigation terminal, and control voice broadcast module 35 repeats to export the voice signal of previous moment output, to realize the function of repeatedly broadcasting navigation information.Display module 36 receives the map datum of the current elements of a fix neighboring area of the navigation terminal that obtains in the Navigation Control module 34, map is shown combine with voice broadcast.The relative position that first user provides by navigation terminal, air line distance prompting and the voice broadcast information of data message and the map datum of demonstration, the preferred road of selecting to conform to the relative position direction and can approaching the destination advances towards the destination, and judges according to navigation data whether the peripheral situation of place road conforms to the data message of second user setting.Navigation terminal guides first user to arrive the destination exactly by relative position, air line distance, turning prompting being provided to first user and along the voice broadcast of data messages such as road sign will and the map datum of demonstration, being embodied as first user's navigation.To be embodied as first user's navigation, guide first user to arrive the destination exactly.
In another embodiment of the present invention, on the basis of embodiment three, communication module 32 also can specifically comprise first communication unit and second communication unit, Navigation Control module 34 also can specifically comprise first data processing unit and second data processing unit, the 26S Proteasome Structure and Function of first communication unit 221, second communication unit 222, first data processing unit 241 and second data processing unit 242 among the 26S Proteasome Structure and Function of said units and the embodiment two is identical, does not repeat them here.
The navigation terminal of present embodiment allows the user to obtain to have the navigation map data that designated user identifies, and has saved the storage space of navigation terminal greatly.The repeatedly broadcasting function is provided, provides currently or later the prompting of travelling to the user, and map datum is shown with display device, cartographic information and voice broadcast are combined, make navigation data imagery more according to navigation data.
In another embodiment of the present invention, navigation terminal is arranged among on-vehicle navigation apparatus, portable terminal or personal digital assistant (PDA) and the IPhone etc., to improve the dirigibility that navigation terminal uses, make things convenient for carrying and using of user.Each Elementary Function is identical with the 3rd embodiment of navigation terminal in the navigation terminal, does not repeat them here.
The embodiment of above-mentioned navigation terminal according to the present invention below is elaborated to the air navigation aid of navigation terminal.
Fig. 4 is the schematic flow sheet of air navigation aid embodiment one of the present invention.Position with the first user place is the starting point, is the destination with the position at the second user place.At first, the complicated highway section needs that are located in neighboring area, destination and/or the important area corresponding with the destination or away from purpose in the original map data that second user is familiar with second user by personal terminal in time turn prompting, direction of motion etc. of significant object of reference, the crossing of mark add in the navigation map data as data message, with the accuracy of map datum in raising neighboring area, destination that navigation map data was covered and/or the important area corresponding with the destination.For example, add object of reference along the line at important road, add crossing turning prompting at the staggered intensive place of road, and mark arrives the theory movement direction of destination on navigation map data, after completing, the navigation map data that has individuation data information that to make by personal terminal is uploaded to the management map platform, and this part navigation map that the management map platform will be made deposits in the system database as user ID with second user.First user's navigation terminal receives the map datum that management map platform place has second user ID.As shown in Figure 4, the air navigation aid in the present embodiment specifically comprises following processing operation:
Particularly, the communication module of first user's navigation terminal receives in the management map platform and has the map datum of second user ID, and the map datum that will have second user ID is sent in the map datum memory module of navigation terminal and preserves.
The signal that the position information acquisition module of step 102, navigation terminal receives self aligning system to send, the signal that receives by parsing, calculate the elements of a fix of the current position of navigation terminal, and mobile messages such as the movement velocity of navigation terminal and direction of motion.Above-mentioned positioning system using Global Positioning System (GPS) (Global Positioning System; Hereinafter to be referred as GPS), but be not limited to GPS, also can be Muscovite GLONASS (GLONASS) Global Positioning System (GPS), the Galileo global position system of European Union, the big-dipper satellite positioning system of China and other wireless local positioning system are as WI-FI etc.
The Navigation Control module of step 103, navigation terminal reads the coordinate of destination in the map datum that has second user ID that the map datum memory module preserves and the current elements of a fix of navigation terminal that position information acquisition module calculates, calculate the coordinate of destination and the relative position information and the air line distance of current positioning coordinate by program, and read data message the map datum of current positioning coordinate neighboring area from the map datum memory module.With the current direction of motion of navigation terminal is reference orientation, when the drift angle of the coordinate of destination and the current elements of a fix is between ± 20 degree, the definition relative position is the dead ahead, when the drift angle of the coordinate of destination and the current elements of a fix at (70 degree,-20 spend) or (20 degree, 70 degree) in the interval, the definition relative position is left front or right front, and with the left of the method definition relative position, right-hand, dead astern, right back and left back.Yet other embodiments of the invention are not limited to this, and the viewpoint definition scope of relative position can be adjusted as required.Data message in the map datum of current positioning coordinate neighboring area comprises significant object of reference information, crossing turning information and direction of motion information.
Relative position information, air line distance and the data message that the voice broadcast module of step 104, navigation terminal obtains the Navigation Control module is converted into the loudspeaker output of voice signal by navigation terminal, is that first user reports navigation information in good time.
The air navigation aid of present embodiment allows the user to obtain to have the map datum that designated user identifies from the management map platform, on the basis of only preserving the map datum that has the designated user sign, has saved the storage space of navigation terminal greatly.By judging the relative position of destination coordinate and current positioning coordinate, the defective that can avoid optimal route single in the existing airmanship under the burst traffic, can not in time meet an urgent need and point out.
Fig. 5 is the schematic flow sheet of air navigation aid embodiment two of the present invention.On the basis of embodiment one, it can be to communicate by wireless network and management map platform that first user's navigation terminal receives the mode that has the map datum of second user ID in the management map platform, also can be to connect the management map platform by personal terminal, as shown in Figure 5, the air navigation aid in the present embodiment specifically comprises following processing operation:
First communication unit of step 201, navigation terminal receives the map datum that has second user ID in the management map platform by wireless network.Be specially first user and send information to the management map platform by portable terminal, the map datum that will have second user ID by this information Control management map platform is sent to first communication unit of first user's navigation terminal by wireless network, and first communication unit is saved to the data that receive in the map datum memory module of navigation terminal.Wireless network in the present embodiment is meant and utilizes the GPRS (General Packet Radio Service) GPRS network, however other embodiments of the invention be not limited thereto, wireless network also can be GSM network, Code Division Multiple Access (CDMA) network or 3G (Third Generation) Moblie 3G network etc.
The position information acquisition module of step 202, navigation terminal receives the signal that sends from gps system, the signal that receives by parsing, calculate the elements of a fix of the current position of navigation terminal, and mobile messages such as the movement velocity of navigation terminal and direction of motion.
First data processing unit of step 203, navigation terminal reads the coordinate of destination in the navigation map data that the map datum memory module preserves and the current elements of a fix of navigation terminal that position information acquisition module calculates, and calculates the coordinate of destination and the relative position information and the air line distance of current positioning coordinate by program.With the current direction of motion of navigation terminal is reference orientation, when the drift angle of the coordinate of destination and the current elements of a fix is between ± 20 degree, the definition relative position is the dead ahead, when the drift angle of the coordinate of destination and the current elements of a fix at (70 degree,-20 spend) or (20 degree, 70 degree) in the interval, the definition relative position is left front or right front, and with the left of the method definition relative position, right-hand, dead astern, right back and left back.Yet other embodiments of the invention are not limited to this, and the viewpoint definition scope of relative position can be adjusted as required.
Step 203 ', the current elements of a fix of navigation terminal that the second data processing unit receiving position information acquisition module of navigation terminal obtains, movement velocity and direction of motion, judge whether navigation terminal enters the zone that navigation map data covers, enter the zone of navigation map data covering when navigation terminal after, second data processing unit judges according to navigation map data which bar road navigation terminal is currently located on, and read data message in the corresponding road of navigation map data, for example, as crossing turning prompting, significant object of reference along the road information, the information that provides when opposite etc. with the theory movement direction that arrives the destination.First user can also judge whether running route is correct according to above-mentioned data message on the basis that obtains destination relative position and air line distance.
Data messages such as the relative position information that the voice broadcast module of step 204, navigation terminal obtains the Navigation Control module, air line distance and the prompting of turning along road information, crossing are converted into voice signal and export by the loudspeaker of navigation terminal, are that first user reports navigation information in good time.
Step 204 ', the operational processes module controls voice broadcast module of navigation terminal repeats to export the voice signal of previous moment output, to realize the repeatedly broadcasting of navigation information.
Preferably, in other embodiments of the invention, step 201 also can be to obtain the map datum that has designated user by personal terminal from the management map platform, is specially:
The second communication unit of navigation terminal links to each other with personal terminal by wireless or wired mode, this personal terminal obtains to have the map datum of second user ID from the management map platform, and navigation terminal second communication unit receives the map datum that has second user ID that personal terminal obtains by wireless mode or wired mode and is kept in the map datum storage unit of navigation terminal.In the present embodiment, wired mode links to each other personal terminal for adopting data line with the second communication unit of navigation terminal, and wireless mode is for adopting GPRS, CDMA, 3G or WI-FI or the like wireless transmission method.
The air navigation aid of present embodiment allows the user by wireless or have line method to download the navigation map data that has the designated user sign, when having saved the storage space of navigation terminal greatly, make navigation terminal support the several data downloading mode, improved the dirigibility of using.Provide currently or later the prompting of travelling according to navigation data to the user, and the repeatedly broadcasting of navigation information is provided, improved the promptness and the accuracy of navigation with customized information.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1, a kind of navigation terminal comprises position information acquisition module, it is characterized in that, also comprises communication module, map datum memory module, Navigation Control module and voice broadcast module, wherein,
Described communication module, link to each other with described map datum memory module, be used to receive the map datum that has the designated user sign, the described map datum that has the designated user sign is the map datum of the destination data information of described designated user drafting, described destination data information comprises the data message of neighboring area, destination and/or the important area corresponding with the destination, described data message comprises at least: significant object of reference, the theory movement direction of turning prompting and arrive the destination in the crossing;
Described map datum memory module links to each other with described communication module, is used to preserve the described map datum that has the designated user sign;
Described Navigation Control module, link to each other with the map datum memory module with described position information acquisition module, calculate the coordinate of described destination and described position information acquisition module relative position and air line distance, read described data message the map datum of described current positioning coordinate neighboring area from described map datum memory module to the elements of a fix of described navigation terminal;
Described voice broadcast module links to each other with described Navigation Control module, and described relative position, air line distance and data message are converted into voice signal output.
2, navigation terminal according to claim 1 is characterized in that, described Navigation Control module comprises first data processing unit and second data processing unit, wherein,
First data processing unit, link to each other respectively with described position information acquisition module, map datum memory module and voice broadcast module, receive the current positioning coordinate of described position information acquisition module, calculate the coordinate of described destination and the relative position and the air line distance of described current positioning coordinate described navigation terminal;
Second data processing unit, link to each other respectively with described position information acquisition module, map datum memory module and voice broadcast module, be used for according to described current positioning coordinate, judge whether described navigation terminal enters the zone that described map datum covers, read the map datum of current positioning coordinate neighboring area described in the described map datum that has a designated user sign from described map datum memory module, obtain the described data message in the map datum of described current positioning coordinate neighboring area.
3, navigation terminal according to claim 2 is characterized in that, described communication module comprises first communication unit and second communication unit, link to each other with described map datum memory module respectively, wherein,
Described first communication unit receives the described map datum that has the designated user sign by wireless network;
Described second communication unit links to each other with personal terminal by wireless and/or wired mode, receives the described map datum that has the designated user sign that described personal terminal obtains.
4, navigation terminal according to claim 1, it is characterized in that, also comprise the operational processes module, link to each other with described voice broadcast module, be used for receiving and repeat output order, and control the described voice signal that described voice broadcast module repeats to export previous moment output.
5, navigation terminal according to claim 2 is characterized in that, also comprises display module, links to each other with described second data processing unit, is used to show the map datum of described current positioning coordinate neighboring area.
6, according to the arbitrary described navigation terminal of claim 1-5, it is characterized in that described navigation terminal is arranged among on-vehicle navigation apparatus, portable terminal or the personal digital assistant.
7, a kind of air navigation aid is characterized in that, specifically may further comprise the steps:
Step 1, navigation terminal receive the map datum that has the designated user sign and preserve, the described map datum that has the designated user sign is the map datum of the destination data information of described designated user drafting, described destination data information comprises the data message of neighboring area, destination and/or the important area corresponding with the destination, described data message comprises at least: significant object of reference, the theory movement direction of turning prompting and arrive the destination in the crossing;
Step 2, navigation terminal are resolved the signal that receives from positioning system, go out the current positioning coordinate of navigation terminal position and mobile messages such as the movement velocity of navigation terminal and direction of motion according to described calculated signals;
Step 3, navigation terminal calculate the coordinate of described destination and the relative position information and the air line distance of described current positioning coordinate, read the described data message in the map datum of described current positioning coordinate neighboring area;
Step 4, navigation terminal are converted into voice signal output with described relative position, air line distance and data message.
8, air navigation aid according to claim 7 is characterized in that, described step 1 specifically comprises:
Step 11, navigation terminal receive the described map datum that has the designated user sign by wireless network; Or
Step 12, navigation terminal link to each other with personal terminal by wireless mode and/or wired mode, receive the described map datum that has the designated user sign that described personal terminal obtains.
9, air navigation aid according to claim 7 is characterized in that, described step 3 specifically comprises:
Step 31, navigation terminal receive the current positioning coordinate of described navigation terminal, calculate the coordinate of described destination and the relative position and the air line distance of described current positioning coordinate;
Step 32, navigation terminal are according to described current positioning coordinate, judge whether described navigation terminal enters neighboring area, described destination, read the map datum of current positioning coordinate neighboring area described in the described map datum that has a designated user sign, obtain the described data message in the map datum of described current positioning coordinate neighboring area.
10, air navigation aid according to claim 7 is characterized in that, also comprises after the described step 4:
Step 5, navigation terminal receive and repeat output order, and repeat to export the described voice signal of previous moment output.
Priority Applications (4)
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| CN200910091106A CN101625245A (en) | 2009-08-07 | 2009-08-07 | Navigation terminal and navigation method |
| CN2010101053262A CN101769748B (en) | 2009-08-07 | 2010-01-28 | Navigation terminal and navigation method |
| CN 201010167220 CN101865694B (en) | 2009-08-07 | 2010-04-27 | Navigation terminal and method |
| PCT/CN2010/075470 WO2011015109A1 (en) | 2009-08-07 | 2010-07-27 | Navigation terminal and navigation method |
Applications Claiming Priority (1)
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| CN200910091106A CN101625245A (en) | 2009-08-07 | 2009-08-07 | Navigation terminal and navigation method |
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| WO (1) | WO2011015109A1 (en) |
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| CN101924755A (en) * | 2010-07-21 | 2010-12-22 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method and system of updating broadcast voice of voice broadcasting terminal |
| CN102238215A (en) * | 2010-04-28 | 2011-11-09 | 上海博泰悦臻电子设备制造有限公司 | Living guide data processing method, service center and system for vehicle-mounted system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101924755A (en) * | 2010-07-21 | 2010-12-22 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method and system of updating broadcast voice of voice broadcasting terminal |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101865694A (en) | 2010-10-20 |
| CN101865694B (en) | 2013-08-14 |
| WO2011015109A1 (en) | 2011-02-10 |
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