Navigation method and system, map data management cloud and data update method thereof

• US 9,784,588 B2
• Filed: 07/23/2013
• Issued: 10/10/2017
• Est. Priority Date: 12/05/2012
• Status: Expired due to Fees

• Current Assignee: Xi'An Zhongxing New Software Co., Ltd. (ZTE Corporation)
• Original Assignee: Xi'An Zhongxing New Software Co., Ltd. (ZTE Corporation)
• Inventors: Wang, Haowen
• Primary Examiner(s): SOOFI, YAZAN A
• Application Number:
  US14/650,035
• Publication Number:
  US 20150345968A1
• Time in Patent Office: 1,540 Days
• Field of Search: 701533
• 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 first mobile terminal sending a navigation request to a map data management cloud server, wherein the navigation request comprises;

requesting for route information of navigation;

after receiving the navigation request, the map data management cloud server searching for all feasible routes according to the route information in the navigation request;

at least one second mobile terminal collecting real-time route condition information during its own navigation process, and uploading the real-time route condition information to the map data management cloud server;

the map data management cloud server calculating an optimal route according to the all feasible route sand the received real-time route condition information;

the map data management cloud server sending an optimal route download notification to the first mobile terminal; and

the first mobile terminal downloading the optimal route according to the optimal route download notification;

the method further comprising;

the second mobile terminal uploading the real-time route condition information to the map data management cloud server for the first time,

after receiving the real-time route condition information, the map data management cloud server establishing a data link by a destination name according to destination information in the real-time route condition information uploaded by the second mobile terminal,

the map data management cloud server collecting route condition information uploaded by any mobile terminal into the data link corresponding to the same destination name in the route condition information uploaded by any mobile terminal,

the map data management cloud server updating map data by storing the route condition information in the data link into corresponding location,

a mobile terminal, which can be the first mobile terminal, the second mobile terminal, or any other mobile terminal, sending an update request to the map data management cloud server for updating an offline map, wherein the update request comprises;

current offline map identification information of the mobile terminal,

the map data management cloud server, after receiving the update request, comparing whether the current offline map identification information of the mobile terminal is the same as offline map identification information of the locally stored offline map or not, and if no, notifying the mobile terminal to download a latest version of the offline map, and

the mobile terminal downloading the latest version of the offline map.

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

originating location information and destination location information.

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

the map data management cloud server recalculating another optimal route from a current location of the first mobile terminal to a destination location preset by the first mobile terminal according to the received real-time route condition information which is sent timely by the at least one second mobile terminal, and sending an optimal route update notification to the first mobile terminal if said another optimal route is different from the previous optimal route;

the first mobile terminal receiving the optimal route update notification and downloading said another optimal route according to the optimal route update notification.

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

at least one mobile terminal collecting real-time route condition information during its own navigation process, and uploading the real-time route condition information to a map data management cloud server;

the map data management cloud server receiving the real-time route condition information;

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

the map data management cloud server updating map data corresponding to the collected real-time route condition information;

wherein the method further comprises;

the at least one mobile terminal uploading the real-time route condition information to the map data management cloud server for the first time,

after receiving the real-time route condition information, the map data management cloud server establishing a data link by a destination name according to destination information in the real-time route condition information uploaded by the at least one mobile terminal;

the map data management cloud server collecting route condition information uploaded by any mobile terminal into the data link corresponding to the same destination name in the route condition information uploaded by any mobile terminal;

the map data management cloud server updating the map data by storing the route condition information in the data link into corresponding location,

a mobile terminal, which can be the at least one mobile terminal, or any other mobile terminal, sending an update request to the map data management cloud server for updating an offline map, wherein the update request comprises;

current offline map identification information of the mobile terminal,

the map data management cloud server, after receiving the update request, comparing whether the current offline map identification information of the mobile terminal is the same as offline map identification information of the locally stored offline map or not, and if no, notifying the mobile terminal to download a latest version of the offline map, and

the mobile terminal downloading the latest version of the offline map.

5. The data update method of map data management cloud server of claim 4, further comprising, after the map data management cloud server 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.

6. A navigation system, comprising a map data management cloud server, and a plurality of mobile terminals interacting with the map data management cloud server and including a first mobile terminal, at least one second mobile terminal, and any other mobile terminals;

wherein,

the first mobile terminal is configured to send a navigation request to a map data management cloud server, wherein the navigation request comprises;

requesting for route information of navigation;

the map data management cloud server is configured to, after receiving the navigation request, search for all feasible routes according to the route information in the navigation request;

the at least one second mobile terminal is configured to collect real-time route condition information during its own navigation process, and upload the real-time route condition information to the map data management cloud server;

the map data management cloud server is further configured tocalculate an optimal route according to the all feasible routes and the received real-time route condition information; and

send an optimal route download notification to the first mobile terminal;

the first mobile terminal is further configured to download the optimal route according to the optimal route download notification; and

wherein, the second mobile terminal is further configured to upload the real-time route condition information to the map data management cloud server for the first time,

the map data management cloud server is further configured to;

after receiving the real-time route condition information establish a data link by a destination name according to destination information in the real-time route condition information uploaded by the second mobile terminal,

collect route condition information uploaded by any mobile terminal into the data link corresponding to the same destination name in the route condition information uploaded by any mobile terminal,

update map data by storing the route condition information in the data link into corresponding location,

one of the plurality of mobile terminals, which can be the first mobile terminal, the second mobile terminal, or any other mobile terminal, is configured to send an update request to the map data management cloud server for updating an offline map, wherein the update request comprises;

current offline map identification information of the mobile terminal,

the map data management cloud server is further configured to after receiving the update request, compare whether the current offline map identification information of the mobile terminal is the same as offline map identification information of the locally stored offline map or not, and if no, notify the one mobile terminal to download a latest version of the offline map, and

the one mobile terminal is further configured to download the latest version of the offline map.

7. The navigation system of claim 6, wherein the route information comprises:

originating location information and destination location information.

8. The navigation system of claim 7, wherein the map data management cloud server 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 generated according to the route information in the navigation 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 the query request, the received feasible route information as well as the real-time route condition information.

9. The navigation system of claim 8, wherein

the at least one second mobile terminal is configured to collect the real-time route condition information during the navigation process of the at least one second mobile terminal, and upload the real-time route condition information to the route planning working node timely;

the route planning working node further comprises a receiving module, the receiving module is configured to receive the real-time route condition information sent by the at least one second mobile terminal;

the calculating module is further configured to recalculate another optimal route from a current location of the first mobile terminal to a destination location preset by the first mobile terminal according to the timely uploaded real-time route condition information;

the sending module is further configured to send an optimal route update notification to the first mobile terminal;

the first mobile terminal is further configured to, after receiving the optimal route update notification, download and update a current optimal route to said another optimal route.

10. A map data management cloud server, 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 data storage working node comprises;

a storing module and an updating module;

the receiving module is configured to receive real-time route condition information collected and uploaded by at least one mobile terminal during its own navigation process;

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

the sending module is configured to send the collected real-time route condition information to the data storage working node; and

the storing module is configured to store map data;

the updating module is configured to update the map data according to the collected real-time route condition information;

wherein, the collecting module is further configured to, after receiving the real-time route condition information uploaded by the at least one mobile terminal for the first time, establish a data link by a destination name according to destination information in the real-time route condition information uploaded by the at least one mobile terminal, and collect route condition information uploaded by any mobile terminal into the data link corresponding to the same destination name in the route condition information uploaded by any mobile terminal;

the updating module of the data storage working node is further configured to update the map data by storing the route condition information in the data link into corresponding location;

the sending module is further configured to compare whether current offline map identification information of a mobile terminal is the same as offline map identification information of the locally stored offline map or not, and if no, notify the mobile terminal which sends an update request for updating an offline map to download a latest version of the offline map, wherein the update request comprises;

the current offline map identification information of the mobile terminal.

11. The map data management cloud server of claim 10, 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.