Navigation Method and System, Map Data Management Cloud and Data Update Method Thereof

• US 20150345968A1
• Filed: 07/23/2013
• Published: 12/03/2015
• Est. Priority Date: 12/05/2012
• Status: Active Grant

• Current Assignee: Xi'An Zhongxing New Software Co., Ltd. (ZTE Corporation)
• Original Assignee: ZTE Corporation
• Inventors: WANG, Haowen
• Granted Patent: US 9,784,588 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G01C 21/3415 Dynamic re-routing, e.g. recalculating the route when the user deviates from calculated route or after detecting real-time traffic data or accidents
• CPC Class Codes: G01C 21/3453 Special cost functions, i.e. other than distance or default speed limit of road segments
• CPC Class Codes: G01C 21/3492 employing speed data or traffic data, e.g. real-time or historical traffic control systems for road vehicles involving transmission of navigation instructions to the vehicle G08G1/0968
• CPC Class Codes: G01C 21/3605 Destination input or retrieval
• CPC Class Codes: G01C 21/387 Organisation of map data, e.g. version management or database structures
• CPC Class Codes: G08G 1/096816 where the complete route is transmitted to the vehicle at once
• CPC Class Codes: G08G 1/096844 where the complete route is dynamically recomputed based on new data
• CPC Class Codes: G09B 29/003 Maps
• CPC Class Codes: G09B 29/10 Map spot or coordinate position indicators; Map reading aids optical projection apparatus per se G03B

Abstract

A navigation method and system, a map data management cloud and data update method thereof, wherein the navigation method includes: a map data management cloud receiving a navigation request from a mobile terminal, wherein the navigation request includes: requesting for route information of the navigation; the map data management cloud obtaining an optimal route according to the navigation request and collected real-time route condition information; wherein the real-time route condition information includes: route condition information, uploaded by at least one mobile terminal, collected during navigation processes of the at least one mobile terminal; the map data management cloud sending the optimal route to the mobile terminal which sends the navigation request, thereby providing real-time navigation data and improving navigation efficiency.

Claims

1. A navigation method, comprising following steps:

a map data management cloud receiving a navigation request from a mobile terminal, wherein the navigation request comprises;

requesting for route information of navigation;

the map data management cloud obtaining an optimal route according to the navigation request and collected real-time route condition information;

wherein the real-time route condition information comprises;

route condition information, uploaded by at least one mobile terminal, collected in navigation processes of the at least one mobile terminal;

the map data management cloud sending the optimal route to the mobile terminal which sends the navigation request.

2. The navigation method of claim 1, further comprising following steps:

the map data management cloud receiving an offline map data update request from a mobile terminal;

wherein the offline map data update request comprises;

current offline map identification information of the mobile terminal;

the map data management cloud detecting whether there is a new offline map or not according to the current offline map identification information of the mobile terminal, and if yes, sending an update notification to the mobile terminal.

3. The navigation method of claim 1, wherein the route information comprises:

originating location information and destination location information.

4. The navigation method of claim 3, wherein the specific step of the map data management cloud obtaining the optimal route according to the navigation request and the collected real-time route condition information is:

the map data management cloud obtaining all feasible route information stored therein according to the navigation request, and calculating an optimal route according to the feasible route information and the real-time route condition information.

5. The navigation method of claim 4, further comprising following steps:

the map data management cloud recalculating an optimal route from a current location of the mobile terminal to a destination location according to received real-time route condition information, sent by at least one mobile terminal, collected in navigation processes of the at least one mobile terminal, and sending an optimal route update notification to a corresponding mobile terminal if an updated optimal route exists.

6. A data update method of map data management cloud, comprising following steps:

a map data management cloud receiving route condition information, uploaded by at least one mobile terminal, collected during navigation processes of the at least one mobile terminal;

the map data management cloud collecting received real-time route condition information;

the map data management cloud updating map data corresponding to the collected information.

7. The data update method of map data management cloud of claim 6, wherein:

when receiving route condition information uploaded by a mobile terminal for the first time, the map data management cloud takes a destination name to establish a data link according to destination information of the mobile terminal;

the map data management cloud completes navigation of the mobile terminal, and collects route condition information corresponding to the mobile terminal into a data link corresponding to the route condition information;

the map data management cloud updates the map data according to the destination name in the data link.

8. The data update method of map data management cloud of claim 7, further comprising, after the map data management cloud collects route condition information corresponding to the terminal into the data link corresponding to the route condition information, if map data stored therein does not have a destination address in the data link, establishing a new map location according to a new destination address and storing the data link.

9. A navigation system, comprising a map data management cloud and at least one mobile terminal;

wherein the map data management cloud is configured to receive a navigation request from the mobile terminal, obtain an optimal route according to the navigation request and collected real-time route condition information; and

send the optimal route to a corresponding mobile terminal which sends the navigation request;

the navigation request comprises;

requesting for route information of navigation;

the real-time route condition information comprises;

route condition information, uploaded by at least one mobile terminal, collected in navigation processes of the at least one mobile terminal.

10. The navigation system of claim 9, wherein the map data management cloud is further configured to receive an offline map data update request from the mobile terminal, and detect whether there is a new offline map or not in accordance with current offline map identification information in an update request of the mobile terminal, and if yes, send an update notification to the mobile terminal.

11. The navigation system of claim 9, wherein the route information comprises:

originating location information and destination location information.

12. The navigation system of claim 11, wherein the map data management cloud comprises:

a data storage working node and a route planning working node;

the route planning working node comprises;

a sending module and a calculating module;

the data storage working node comprises;

a storing module and a query module;

the sending module is configured to send a query request to the query module;

the storing module is configured to store map data;

the query module is configured to inquire all feasible route information in the stored map data according to origination and destination in the query request, and send the all feasible route information to the calculating module;

the calculating module is configured to calculate an optimal route according to a query request generated according to the route information in the navigation request, the received feasible route information as well as the real-time route condition information.

13. The navigation system of claim 12, wherein

the at least one mobile terminal is configured to collect route condition information collected during navigation processes of the at least one mobile terminal and upload the route condition information to the route planning working node;

the at least one mobile terminal is further configured to, after receiving the update notification, download and update a current optimal route;

the route planning working node further comprises a receiving module;

the receiving module is configured to receive real-time route condition information sent by the at least one mobile terminal;

the calculating module is further configured to recalculate an optimal route from a current location of the at least one mobile terminal to a destination location according to timely uploaded real-time route condition information;

the sending module is further configured to send an optimal route update notification to a corresponding mobile terminal.

14. A map data management cloud, comprising:

a data storage working node and a route planning working node;

wherein the route planning working node comprises a receiving module, a collecting module and a sending module;

the receiving module is configured to receive real-time route condition information sent by at least one mobile terminal;

the collecting module is configured to collect received route condition information;

the sending module is configured to send collected information to the data storage working node;

the data storage working node comprises;

a storing module and an updating module;

the storing module is configured to store map data;

the updating module is configured to update the map data according to the collected information.

15. The map data management cloud of claim 14, wherein the collecting module is configured to, when receiving route condition information uploaded by a mobile terminal for the first time, take a destination name to establish a data link according to destination information of the mobile terminal, and after completing navigation of the mobile terminal at the route planning working node, collect real-time route condition information corresponding to the mobile terminal into a data link corresponding to the real-time route condition information;

the updating module of the data storage working node is configured to update the map data according to the destination name in the data link.

16. The map data management cloud of claim 15, wherein the updating module is further configured to, when stored map data does not have a destination address in a received data link, establish a new map location according to a new destination address, and send the data link to the storing module for storing.