CN104089622A - Navigation method based on mobile terminals - Google Patents

Navigation method based on mobile terminals Download PDF

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Publication number
CN104089622A
CN104089622A CN201410273415.6A CN201410273415A CN104089622A CN 104089622 A CN104089622 A CN 104089622A CN 201410273415 A CN201410273415 A CN 201410273415A CN 104089622 A CN104089622 A CN 104089622A
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Prior art keywords
mobile terminal
destination
server
translational speed
navigation
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Granted
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CN201410273415.6A
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CN104089622B (en
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沐维
耿增强
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ThunderSoft Co Ltd
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ThunderSoft Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • 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
    • G01C21/3407—Route searching; Route guidance specially adapted for specific applications
    • G01C21/3438—Rendez-vous, i.e. searching a destination where several users can meet, and the routes to this destination for these users; Ride sharing, i.e. searching a route such that at least two users can share a vehicle for at least part of the route
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)

Abstract

The invention provides a navigation method based on mobile terminals. The navigation method comprises the following steps that: A, each mobile terminal participating in navigation service reports its location to a server at each time interval; and B, the server confirms a destination, plans routes from each mobile terminal to the destination and sends the routes to each corresponding mobile terminal. Thus, the routes from each mobile terminal to the destination are respectively calculated according to information reported by each mobile terminal and are respectively transmitted to each mobile terminal so as to realize navigation directed at different mobile terminals, so indication information is provided to allow all users to successfully arrive at the destination.

Description

A kind of air navigation aid based on mobile terminal
Technical field
The present invention relates to technical field of information interaction, particularly a kind of air navigation aid based on mobile terminal.
Background technology
Current mobile terminal has entered the intelligence epoch, uses the mobile phone users with navigation, positioning function to get more and more, simultaneously also very ripe for the location technology of mobile terminal, but these products & services great majority are all for location and navigation.For some, need the place of position interactive navigation seldom to relate to.
For example, existing first, second two people, second is found the location of first, but second is unfamiliar with surrounding road condition.Thus, second is had to constantly ask the way, or finds first by GPS, but uses leading need to clearly know destination title, if the location circumstance complication of first, or on map search less than, only can navigate near first location effort again consuming time.
Again for example, first, second two cars need to go to same destination simultaneously, and this destination on GPS, search for less than, wherein, first is familiar with road conditions and second is unfamiliar with.Conventionally the practice is all to be led the way above by first car, and second car is followed, but complicated and changeable due to road conditions and traffic often there will be second car with the phenomenon of losing.
Also for example, as multi-object converges, the practice is to determine that all members are familiar with a destination (mostly being the intermediate point of all members position) conventionally.First, in order to determine destination, need to repeatedly discuss, so just cause temporal waste.Secondly, owing to being multi-object while converging, the mode of trip has variation, as walking, driving, by bike, make bus etc.Their speed is not identical, if their absolute centre position is set, is destination, and pedestrian and meeting are by bike too tired.
Tradition navigate mode cannot meet the situation in above-mentioned case, and thus, it is particularly important that the air navigation aid based on mobile terminal just seems.
Summary of the invention
The application provides a kind of air navigation aid based on mobile terminal, the information reporting according to each mobile terminal calculates respectively the circuit that each mobile terminal reaches the destination, and this circuit is transferred to respectively to each mobile terminal to realize the navigation for different mobile terminal, for reaching the destination smoothly, all users provide indication information.
The described air navigation aid based on mobile terminal comprises step:
Each time interval of each mobile terminal of A, participation navigation service reports its position to server;
B, server are confirmed destination, plan that each mobile terminal is to the circuit of destination, and are sent to each mobile terminal.
By upper, the information reporting according to each mobile terminal calculates respectively the circuit that each mobile terminal reaches the destination, and this circuit is transferred to respectively to each mobile terminal to realize the navigation for different mobile terminal, for reaching the destination smoothly, all users provide indication information.
Optionally, in steps A, the translational speed of the described time interval and mobile terminal is inversely proportional to.
By upper, the translational speed of mobile terminal is faster, and it reports the time interval of position just shorter, can improve thus the accuracy of location.
Optionally, when navigation service described in steps A is searching modes, the step of the destination that server described in step B is confirmed comprises: the position of the mobile terminal that confirmation is found is destination.
By upper, realize and accurately to find the mobile terminal of being found, thereby avoid the defects such as navigation position is indefinite.
Optionally, when navigation service described in steps A is follow the mode, the destination that server described in step B is confirmed, plan that each mobile terminal to the step of the circuit of destination comprises:
According to the position of being followed mobile terminal and continuing change, set up successively the corresponding communication identifier list of position described in each;
Circuit using described communication identifier list as each mobile terminal to destination.
By upper, server, without calculating navigation circuit, directly couples together the position one by one of being followed object just can form a complete path, has saved the cost of calculating path, has improved the performance of navigation.
Optionally, navigation service described in steps A is when converging pattern, and the step of the destination that server described in step B is confirmed comprises:
Determine the translational speed of each mobile terminal, different translational speeds arrange different velocity amplitude weights;
The slowest mobile terminal position of the translational speed of take is reference position, again delimits coordinate system;
Selecting the focus point of the position coordinates of each mobile terminal under described coordinate system of again delimiting is destination.
By upper, make all trip modes adopt unified calculating standard, reduce mobile terminal and selected the different rates that mode causes that occur.
Optionally, described velocity amplitude weight is directly proportional to translational speed.
Optionally, when the slowest mobile terminal of translational speed is when more than two, described reference position is the focus point of described two above mobile terminal locations.
By upper, can best reference position be set for a plurality of mobile terminals, each slower mobile terminal of translational speed can be met in the short period.
Optionally, described each mobile terminal coordinate under described coordinate system of again delimiting be (x ' n, y ' n), x in formula 0, y 0be respectively horizontal stroke, the ordinate of reference position; x n, y nbe respectively horizontal stroke, the ordinate of each mobile terminal; N is the quantity of mobile terminal; E=E n/ E 0, E nfor the velocity amplitude weight of each mobile terminal, E 0velocity amplitude weight for the slowest mobile terminal of translational speed.
Optionally, the barycentric coordinates of the position under described coordinate system of again delimiting are (x, y), x = x 0 + x 1 , + x 2 , + K x n , n + 1 , y = y 0 + y 1 , + y 2 , + K y n , n + 1 .
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram of the air navigation aid based on mobile terminal.
Embodiment
A kind of air navigation aid based on mobile terminal disclosed in this invention, the information reporting according to each mobile terminal calculates respectively the circuit that each mobile terminal reaches the destination, and this circuit is transferred to respectively to each mobile terminal to realize the navigation for different mobile terminal, for reaching the destination smoothly, all users provide indication information.
In the present embodiment, mobile terminal, with position location services function, comprises satnav, architecture and Wi-Fi location.Mobile terminal can pass through the means of communication such as 2G, 3G, 4G or Wi-Fi, with server, communicates.Described mobile terminal and server adopt CS model, and the interactive system software client of an integrated map function is installed in advance on mobile terminal device, then on back-end server, install one and have the system of processing client-side information.
As shown in Figure 1, the air navigation aid based on mobile terminal comprises:
Step S10: connect by server and other mobile terminals between current mobile terminal.
In the present embodiment, each mobile terminal needs before use to server application identity ID, and described identity ID has uniqueness.Current mobile terminal can, according to identity ID, be asked to other mobile terminal launch positions by server, and then establish a communications link alternately.
Concrete, current mobile terminal need to be participated in the identity ID of other mutual mobile terminals of this position, and the mutual request command in position mails to server.Server is received after mutual request command, according to identity ID, inquires whether other mobile terminals are accepted this position and asked alternately.After other mobile terminals accept request, server, by the random key that generates of the mobile terminal for request position is mutual and requested position is mutual, is sent to and agrees to the mutual all mobile terminals in position.Each mobile terminal is verified after described key, is established a communications link successfully.
When the mutual mobile terminal quantity of participant position is more, in group's mode, carry out alternately.For example the first mobile terminal is set up a customer group by server, and group members comprises A 1, A 2a n, the arbitrary mobile terminal in this customer group all can be asked by launch position alternately, thereby establishes a communications link with other group members.
Step S20: server reports position calculation mobile terminal to the circuit of destination according to each mobile terminal.
Each mobile terminal set up position mutual after, represent that described each mobile terminal can share position each other by server.By selecting navigation mode, can make servers' layout go out the circuit of each mobile terminal.When each mobile terminal is received after key, by the navigation mode of initiating the mutual mobile terminal in request position and select server, pattern comprises searching modes, follow the mode and converges pattern, and server carries out layout of roads for different mode, below describes respectively:
One, searching modes.
First, initiating the mutual mobile terminal in request position selects to find object and is found object.In this pattern, being found object position is destination, generally, is found object position constant.
Secondly, according to the rules the time interval separately positional information with sending to server after secret key encryption.Mobile terminal can be adjusted the time interval that described positional information reports according to the translational speed of self, and for instance, while holding user's transfixion of mobile terminal, adjusting the time interval is 1 minute; While holding user's walking of mobile terminal, adjusting the time interval is 10～15 seconds; The user who holds mobile terminal is by bike time, adjusts the time interval to can be 5～10 seconds; When holding user's self-driving of mobile terminal or taking advantage of public transport, the adjustment time interval can be 1～5 second, can save mobile terminal electric weight thus, and reduces the data processing amount of server.
Server according to received positional information judge the move mode of each mobile terminal, described move mode comprise walking, by bike, self-driving or public transport etc.Server for the basis for estimation of the move mode of mobile terminal is: the displacement producing by the time interval according to mobile terminal judges its translational speed.For avoiding error, can adopt the mean value calculation of repeatedly measuring.
Finally, server is found object position and is set to destination, according to general routing algorithm, calculates a point-to-point transmission the shortest, and the walking path of the move mode that suitable searching object adopts, by walking path sender to the mobile terminal of finding object and holding.Server is being received after positional information each time, upgrades two people's geographic position, and feed back to mobile terminal on map.
Two, follow the mode.
First, initiating the mutual mobile terminal in request position selects to follow object and is followed object.For example, select, from as being followed object, to select other mobile terminals for following object.Now destination is for being followed the position at object place, and it is mobile being found object position.
Secondly, followed mobile terminal that object holds according to the translational speed of being followed object by positional information with being sent to server after secret key encryption.
Then, server is to follow mobile terminal that object holds to set up and follow list of locations, by received, followed positional information that mobile terminal that object holds sends and followed in list of locations described in being stored to one by one, and sent described list of locations to following object.
Follow object by the positional information of position with being sent to server after secret key encryption, when following object when following the position in list of locations, follow mobile terminal that object is held this position is deleted from follow list of locations, described in upgrading, follow list of locations.
Further, at interval of 1～5 second, follow mobile terminal that object is held and geographic position be sent to the mobile terminal of being followed object and holding, followed object can be according to follower's position adaptive regulating the speed.
When server judgement is followed object when being followed route that object is walked walking, without calculating navigation circuit, directly the position one by one of being followed object is coupled together and just can form a complete path, saved the cost of calculating path, improved the performance of navigation.
But when following object according to circuit when walking in described list of locations, server, according to the position of being followed object, calculates the optimal path of following object, it is pulled up within to the short time and followed object.Described optimal path calculates according to traffic congestion situation and the relative distance of the two, and concrete computation process repeats no more.
Three, converge pattern.
Converge in pattern, destination need be according to the position measuring and calculating of each mobile terminal, and this destination the satisfied user who holds each mobile terminal meet within the shortest time.
First, server judges the move mode of each mobile terminal according to received positional information.Determination methods is identical with searching modes, repeats no more.
Secondly, server, according to the move mode of each judged mobile terminal, arranges different translational speed weights.For example, different according to the speed of trip, walking speed be set to 5 kilometers/time, by bike speed be 15 kilometers/time, the speed of riding in a bus be 30 kilometers/time, self-driving speed be 40 kilometers/time, so speed weight E of walking walking=1; Speed weight E by bike bicycle=3; The speed weight E riding in a bus public transport=6; The speed weight E of self-driving from drive=8.
Then, server, according to above-mentioned weight, delimited coordinate system again, calculate the position of each mobile terminal under described coordinate system of again delimiting.
Calculating formula is: x n , = x 0 + x n - x 0 E , y n , = y 0 + y n - y 0 E . In above-mentioned two formulas, (x 0, y 0) be the current coordinate with reference to mobile terminal, in the present embodiment, select the slowest mobile terminal of translational speed as with reference to mobile terminal; During a plurality of employing walkings move if exist mobile terminal, the focus point of a plurality of mobile terminal locations that a plurality of employing walkings of usining are moved is as the current coordinate with reference to mobile terminal; (x n, y n) be the current coordinate of each mobile terminal, the quantity that n is mobile terminal; (x' n, y ' n) be coordinate (x n, y n) position under described coordinate system of again delimiting; E is weight ratio, E=E n/ E 0, E nfor the weighted value of each mobile terminal, E 0for the weighted value with reference to mobile terminal.
Finally, calculate the mean value of again delimiting each position under coordinate system, centre of gravity place is as destination, and this destination the satisfied user who holds each mobile terminal meet within a short period of time, and reduce the impact of vehicles translational speed.Calculating formula is: (x, the y) calculating is the coordinate of destination.
Concrete example explanation, for example the first mobile terminal adopts manner of walking, and its up-to-date coordinate position reporting is (1,10); The second mobile terminal adopts public transport, its up-to-date coordinate position reporting (13,10); The 3rd mobile terminal adopts self-driving mode, its up-to-date coordinate position reporting (17,0), and above-mentioned coordinate unit is kilometer.Press the present embodiment method, the coordinate of the first mobile terminal of take is position, re-establishes coordinate system.The position of the second mobile terminal under new coordinate system is x 1 , = x 0 + x 1 - x 0 E = 1 + 13 - 1 6 = 3 , y 1 , = y 0 + y 1 - y 0 E = 10 + 10 - 10 6 = 10 , This coordinate is (3,10); The position of the 3rd mobile terminal under new coordinate system is x 2 , = x 0 + x 2 - x 0 E = 1 + 17 - 1 8 = 3 , y 2 , = y 0 + y 2 - y 0 E = 10 + 0 - 10 8 = 8.75 , This coordinate is (3,8.75).Destination coordinate x = x 0 + x 1 , + x 2 , 2 + 1 = 1 + 3 + 3 3 = 2.33 , y = y 0 + y 1 , + y 2 , 2 + 1 = 10 + 10 + 8.75 3 = 9.58 , This coordinate is (2.33,9.58).
Further, sign building or place near server lookup destination, be prompted to each user.Or server lists near several sign buildings or place destination, is selected by each mobile terminal.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all in a word, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (9)

1. the air navigation aid based on mobile terminal, is characterized in that, comprises step:
Each time interval of each mobile terminal of A, participation navigation service reports its position to server;
B, server are confirmed destination, plan that each mobile terminal is to the circuit of destination, and are sent to each mobile terminal.
2. method according to claim 1, is characterized in that, in steps A, the translational speed of the described time interval and mobile terminal is inversely proportional to.
3. method according to claim 2, is characterized in that, when navigation service described in steps A is searching modes, the step of the destination that server described in step B is confirmed comprises: the position of the mobile terminal that confirmation is found is destination.
4. method according to claim 2, is characterized in that, when navigation service described in steps A is follow the mode, and the destination that server described in step B is confirmed, plan that each mobile terminal to the step of the circuit of destination comprises:
According to the position of being followed mobile terminal and continuing change, set up successively the corresponding communication identifier list of position described in each;
Circuit using described communication identifier list as each mobile terminal to destination.
5. method according to claim 3, is characterized in that, navigation service described in steps A is when converging pattern, and the step of the destination that server described in step B is confirmed comprises:
Determine the translational speed of each mobile terminal, different translational speeds arrange different velocity amplitude weights;
The slowest mobile terminal position of the translational speed of take is reference position, again delimits coordinate system;
Selecting the focus point of the position coordinates of each mobile terminal under described coordinate system of again delimiting is destination.
6. method according to claim 5, is characterized in that, described velocity amplitude weight is directly proportional to translational speed.
7. method according to claim 5, is characterized in that, when the slowest mobile terminal of translational speed is when more than two, described reference position is the focus point of described two above mobile terminal locations.
8. method according to claim 5, is characterized in that, the coordinate of described each mobile terminal under described coordinate system of again delimiting be (x ' n, y ' n), x in formula 0, y 0be respectively horizontal stroke, the ordinate of reference position; x n, y nbe respectively horizontal stroke, the ordinate of each mobile terminal; N is the quantity of mobile terminal; E=E n/ E 0, E nfor the velocity amplitude weight of each mobile terminal, E 0velocity amplitude weight for the slowest mobile terminal of translational speed.
9. method according to claim 8, is characterized in that, the barycentric coordinates of the position under described coordinate system of again delimiting are (x, y), y = y 0 + y 1 , + y 2 , + K y n , n + 1 .
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CN109168126A (en) * 2018-08-10 2019-01-08 Oppo广东移动通信有限公司 Localization method, relevant device and computer readable storage medium
CN109612487A (en) * 2018-12-21 2019-04-12 广州小鹏汽车科技有限公司 Track navigation method and onboard system based on mobile terminal real time position
CN112584319A (en) * 2019-09-30 2021-03-30 大唐移动通信设备有限公司 Position report period adjusting method, device, network equipment and terminal

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