TWI416072B - Method of sharing position information of a pnd with a peer pnd - Google Patents

Abstract

A method of sharing position information of a personal navigation device (PND) with a peer PND includes the PND receiving a request from the peer PND to share the position information with the peer PND, determining a class of the peer PND, the PND filtering out a piece of the position information from the PND thereof according to the class of the peer PND to generate filtered position information, and the PND sending the filtered position information to the peer PND.

Description

Method for sharing location information between personal navigation device and another person navigation device

The present invention provides a personal navigation device, and more particularly to a method for a plurality of personal navigation devices to share location information according to an authorization level.

For thousands of years, sailors have relied on many navigation methods to lead their ships through all kinds of steep voyages and storms so that they and their companions can sail safely to their destinations. However, in the past, it seems to be only on ships. Voyagers are interested in navigation and will apply to different navigation methods. Nowadays, with the evolution of the times, more advanced navigation systems have emerged. For example, the Global Navigation Satellite System has become a must for ordinary car drivers, hikers, and even ordinary tourists. Accessibility tools.

The key to navigation is positioning, which means you can keep track of the location of a device. For a long time, the navigation system used the sextant to measure the angle of the sky relative to the horizontal position to achieve the purpose of positioning; today, the positioning is accurately achieved by the global satellite navigation system receiver, but today, only the US Department of Defense develops The NAVSTAR Global Positioning System (GPS) has been able to provide satellite positioning in all corners of the world. Other systems must be implemented at the level of use until 2010.

A general global positioning system receiver includes an antenna for receiving a radio signal transmitted by a global positioning system satellite, and a positioning circuit for determining a position of the antenna by a radio signal transmitted from a global positioning system satellite, and generating a corresponding Location data. The antenna can be placed in the global positioning system receiver or externally via a line. Personal navigation devices can be combined with global positioning system receivers and other devices to provide the ability to use location data generated by GPS receivers. In general, the personal navigation device can be a separate mobile device that can be coupled to the vehicle as another tool on the dashboard, or the independent mobile device can be mounted to the vehicle by a fixed seat. The seat can be a suction cup or other device that can be permanently fixed.

The personal navigation device typically has a built-in map for determining the location of the personal navigation device on the map along with the location data. Based on this information, the navigation function of the personal navigation device is calculated and generated from the location of the personal navigation device to another Knowing the path of the location, the path will be displayed on the display screen of the personal navigation device, and the user's future instructions on how to move will be displayed on the personal navigation device, and the speaker of the personal navigation device will also play to remind the user how to play Move instructions to help the user get to their destination.

As personal navigation devices begin to be equipped with network interface adapters, such as the Integrated Packet Radio Service (GPRS) modem and the 802.11 series of wireless network adapters, the instantaneous location and path information becomes available for download by other personal navigation devices, or Downloaded from computers and mobile devices connected to the Internet. However, there is currently no way for users to enjoy their instant location and route information, and there is no mechanism for capturing real-time location and route information for users of different levels to share with each other, so the instant location and path information becomes complete. Unable to get, or the instant location and path information is instead open to users who should not get the information.

An embodiment of the present invention provides a method for a personal navigation device to share location information with another person navigation device, including the user navigation device receiving a request for sharing location information with the other person navigation device by the other person navigation device, and determining Level of the other person navigation device, filtering part of the location information of the personal navigation device according to the level of the other person navigation device to generate filtered location information, and the personal navigation device transmits the filtered location information to the other person Navigation device.

Another embodiment of the present invention provides a method for a personal navigation device to share location information with another person navigation device, comprising receiving, by the personal navigation device, a location of a predetermined category shared by the other person navigation device with the other person navigation device The information request determines a hierarchy of the other person's navigation device, and if the level of the other person's navigation device has the right to obtain the predetermined type of location information in the personal navigation device, the personal navigation device transmits the predetermined type of location information to The other person navigation device.

Please refer to FIG. 1. FIG. 1 is a flow chart of sharing the location information of one person's navigation device with another person's navigation device. The user of the personal navigation device shares the location information of the personal navigation device with another person's navigation device, and the degree of sharing is shared according to the range that the user deems appropriate. The method includes receiving, by a one-person navigation device, a request to share location information with another person's navigation device (step 100), determining a hierarchy of the other person's navigation device (step 102), filtering a portion of the other person's navigation device based on the hierarchy The location information of the personal navigation device is used to generate filtered location information (step 104), and the filtered location information is transmitted to the other human navigation device (step 106). This level may be defined by the user of the personal navigation device or may have been predetermined in the personal navigation device.

Initially, the personal navigation device can first determine the location of the personal navigation device by the global satellite navigation system network; first, by analyzing the signal transmitted from the global satellite navigation system network, the location information of the personal navigation device will include The longitude and latitude positions, and the signals from the global satellite navigation system network can be signals from the NAVSTAR Global Positioning System, the Galileo system or other systems that provide satellite positioning signals. The method of determining the position by the satellite positioning signal is prior art and therefore will not be described again.

After knowing the latitude and longitude of the personal navigation device, the personal navigation device compares the latitude and longitude of the personal navigation device with the map database stored in the personal navigation device or the map database that the personal navigation device can retrieve. By comparing with the map database, the personal navigation device can determine location information corresponding to the latitude and longitude, such as a country, a state or a province, a county, a city, a zip code, a region, a street name, and a house number. The location information may also indicate that the personal navigation device is in the vicinity of or within the landmark. For example, if the personal navigation device is in a state park or national park, the location information will include this information. Furthermore, if the user of the personal navigation device is visiting a museum or monument, based on the map database or a corresponding landmark database, the personal navigation device may determine that the personal navigation device is located in a restaurant, stadium, music. Hall or other landmarks, the location information may also indicate that the personal navigation device is within a certain range of a landmark, such as within 100 meters of the Arc de Triomphe in Paris.

The user of the personal navigation device can also input a path, which can be regarded as a kind of location information. Generally, the path includes a starting point, a destination location or landmark, a plurality of streets and a path direction to navigate to the destination location. If the user inputs the path, the path can be regarded as a part of the location information, and how to calculate the path according to the starting point, the destination location or landmark, and the user's preference for the street and the highway The prior art will not be repeated here.

After knowing the location information, the personal navigation device transmits the location information to the other person navigation device (step 104), and the location information transmitted by the personal navigation device to the other person's navigation device may be all or part of the location information. Information; in other words, the filtered location information may contain all location information, for example, the personal navigation device may only transmit national, state or provincial and city information; or the personal navigation device may transmit landmarks in or near it The name and the distance from the landmark; or the name of the landmark where the personal navigation device is located or is not transmitted, and the distance from the landmark is not transmitted, any combination is acceptable. The personal navigation device itself may be pre-configured with a set of location information to be transmitted to all other personal navigation devices, which may be preset by the factory or set by the user.

There are many possible methods for the personal navigation device to transmit its location information to the other person's navigation device: the first method is to broadcast the location information to the personal navigation device near the personal navigation device; the second method is to locate the location information. Uploading to a server, and then periodically transmitting the location information to the other person navigation device, or transmitting the location information to the other person navigation device when the server is requested; The method is that the personal navigation device periodically transmits the location information to the other person navigation device, or transmits the location information to the other person navigation device when the personal navigation device is requested. Although the wireless method is convenient, the wired or wireless mode can be used to connect the personal navigation device, the other person navigation device, and the server. If it is done wirelessly, it can be implemented by 802.11 or the whole packet radio service (GPRS).

In addition to the location information, the personal navigation device can also transmit the name of the user, and the name of the user can be learned by the login mechanism of the personal navigation device, so that the different users of the personal navigation device can Different sets of location information can be transmitted to other dissimilar users defined in the personal navigation device. Basically, the user of the personal navigation device can be affiliated with a "social network" by which the personal navigation device can inform other users in the social network of the location of the personal navigation device. In this embodiment, the user of the personal navigation device can select whether to associate his or her identity with the personal navigation device as the unique hardware identification code of the personal navigation device. In other words, the user can navigate to another person by navigating. The device enters the social network and shares its location information with the social network.

After the personal navigation device transmits the location information to another person navigation device, since the latitude and longitude of the personal navigation device, the location or path on the map may change, the location information of the personal navigation device is likely to need to be updated again. The latitude and longitude of the personal navigation device and the location on the map need to be updated as the user moves, and the path of the personal navigation device needs to be updated as the user modifies his destination or deviates from the navigation plan. In this case, the personal navigation device needs to periodically or periodically update the information transmitted to the social network to make the location information approximate instant information or complete instant information.

Please refer to FIG. 2, which is a flow chart of a method for sharing location information according to a second embodiment of the present invention. In the method of FIG. 2, the one-person navigation device receives a request from the other person navigation device to share the predetermined type of location information of the personal navigation device with the personal navigation device (step 200), and determines the level of the other person's navigation device. (Step 202), and if the hierarchy of the other person's navigation device has the right to receive the predetermined type of location information of the personal navigation device, the location information is transmitted to the other person navigation device (step 204). The predetermined type of location information may include a country, state or province, city, region, street name, house number, zip code, or latitude and longitude corresponding to the location of the personal navigation device, and may also include a path of the personal navigation device. The personal navigation device can transmit the location information to a server, and the server transmits the location information to the other person navigation device. The other person navigation device can send its request to the server or directly to the personal navigation device; likewise, the personal navigation device can receive the other from the server or directly from the other person's navigation device The one-person navigation device requires the personal navigation device to share the request for the location information of the predetermined category. The server may determine the level of the other person's navigation device, or the personal navigation device may determine the level of the other person's navigation device, and the user may enter the level of the other person's navigation device by the server or the personal navigation device. After the location information is changed, the personal navigation device may transmit the updated location information of the predetermined category to the other person navigation device; or after the personal navigation device transmits the location information of the predetermined category to the other person navigation device, The personal navigation device may periodically transmit the updated predetermined type of location information to the other person navigation device.

In the methods of Figures 1 and 2, it may be impractical to provide a user abstraction mechanism to quickly define which portions of the location information other users can receive. See Figure 3, which shows the different levels and their corresponding permissions to receive location information. In Figure 3, other users are classified as: spouse, family, friends, classmates, colleagues, and customers. These levels are only representative levels that can be renamed or changed according to the needs of the user. You can also create new levels to receive location information from other combinations. As shown in Figure 3, the location information may include country, state or province, county, city, region, street name, house number, postal code, latitude and longitude, and path. Any location information described above may also be included in the location information. Such as landmarks and other similar changes. In the example in Figure 3, the spouse level can receive complete location information, while the class level can only receive national, state, or provincial, county, and city information. The permissions for other users of each level can be preset or set according to the needs of the user. The user can also transmit the location information of a predetermined combination to all other users, completely jumping off the concept of hierarchy, and The chart of Figure 3 can be stored in a personal navigation device or stored in a remote server.

By using any of the above methods to transmit predetermined combined location information to other personal navigation devices, the personal navigation device can share its location information with other personal navigation devices; the personal navigation device can also transmit location information to a server while other uses The user can log in to a social network by a traditional computer or mobile device to find the location of the user, or the destination that the user wants to go to, and even know how the user goes to the destination, with the first picture and the first 2 The method of sharing location information can be transmitted to other users. The integrity of location information transmission is determined by the level of other personal navigation devices, or by other users' levels.

The level that each other user is given can be set automatically by the personal navigation device or set by the user, and some other users may be set to have multiple levels, in which case the user needs to Decide whether to transfer more detailed location information to other users with multiple levels, or to only transfer coarse location information to other users with multiple levels.

Compared with the prior art, it cannot provide real-time or near-instant location information based on the tracking of the global positioning system. The method for sharing the location information of the present invention not only can share the location information with other personal navigation devices, but also can be used according to the user settings. The user's hierarchy shares the user's location information, so the user location information in the social network can be shared with each other, and each other can quickly know each other's location, while also ensuring that the location information of each other is not over-disclosed.

The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

10, 20. . . flow chart

100, 102, 104, 106, 200, 202, 204. . . step

Fig. 1 is a flow chart showing the sharing of the position information of one person's navigation device with another person's navigation device in the first embodiment of the present invention.

Fig. 2 is a flow chart showing the sharing of the position information of one person's navigation device with another person's navigation device in the second embodiment of the present invention.

Figure 3 shows the different levels and their corresponding permissions to receive location information.

10. . . flow chart

100, 102, 104, 106. . . step

Claims (29)

A method for a personal navigation device to share hierarchical location information with another human navigation device, comprising: determining a hierarchy of the other person's navigation device based on a user input; the personal navigation device receiving the other person's navigation device and the other a request for a person navigation device to share hierarchical location information; determining a hierarchy of the other person's navigation device; determining a hierarchy of hierarchical location information corresponding to the hierarchy of the other person's navigation device; filtering out the personal navigation device below the hierarchy Partial hierarchical location information to generate filtered hierarchical location information; and the personal navigation device transmits the filtered hierarchical location information to the another human navigation device; wherein if the other person's navigation device has a higher level, then the Another person navigation device can obtain higher level hierarchical location information. The method of claim 1, wherein the hierarchical location information includes a country, state, province, county, city, region, street name, house number, zip code, longitude or latitude corresponding to the location of the personal navigation device. The method of claim 1, wherein the partial hierarchical location information of the personal navigation device includes a country, a state, a province, a county corresponding to a location of the personal navigation device, City, region, street name, house number, postal code, longitude or latitude. The method of claim 1, wherein the hierarchical location information comprises a path of the personal navigation device. The method of claim 4, wherein the path comprises a starting point, a destination, a plurality of streets, and a path direction. The method of claim 1, wherein the hierarchical location information comprises a location relationship of the personal navigation device and a landmark. The method of claim 6, wherein the location relationship of the personal navigation device and the landmark comprises a distance of the personal navigation device from the landmark. The method of claim 1, wherein the personal navigation device transmits the filtered hierarchical location information to the another person navigation device comprises: the personal navigation device transmitting the filtered hierarchical location information to a server; The server transmits the filtered hierarchical location information to the other person navigation device. The method of claim 8, further comprising: the another person navigation device transmitting the request to the server; The request for the personal navigation device to receive the hierarchical location information transmitted by the other person navigation device with the other person navigation device is that the personal navigation device is received by the server by the other person navigation device. The other person navigation device shares the requirement for hierarchical location information. The method of claim 1, further comprising: the personal navigation device setting the other person navigation device to the level according to a user input. The method of claim 1, further comprising: when the hierarchical location information changes, the personal navigation device transmits the updated filtered hierarchical location information to the other person navigation device. The method of claim 1, further comprising: after the personal navigation device transmits the filtered hierarchical location information to the another person navigation device, the personal navigation device periodically transmits the updated filtered hierarchical location information To the other person navigation device. The method of claim 1, wherein the hierarchy of the other person's navigation device is determined to determine a plurality of levels of the other person's navigation device; and a portion of the personal navigation device is filtered according to the level of the other person's navigation device Location information to generate filtered hierarchical location information is to filter out a portion of the hierarchical level of the personal navigation device based on the plurality of levels of the other person's navigation device Set information to generate filtered hierarchical location information. The method of claim 1, further comprising the personal navigation device transmitting the name of the user to the other person navigation device. The method of claim 1, wherein the level of the other person navigation device comprises a spouse, a family member, a friend, a classmate, a colleague, and a customer. A method for a personal navigation device to share hierarchical location information with another human navigation device, comprising: determining a hierarchy of the other person's navigation device according to a user input; the personal navigation device receiving the other person's navigation device and the other a request for a person navigation device to share a predetermined type of hierarchical location information; a hierarchy of the other person's navigation device; a hierarchy of hierarchical location information corresponding to the hierarchy of the other person's navigation device; and if the other person's navigation device a level higher than a level of the hierarchical information of the predetermined category, the personal navigation device transmitting the hierarchical information of the predetermined type to the other person navigation device; wherein if the level of the other person's navigation device is higher, the other person The navigation device can obtain hierarchical level information of higher levels. The method of claim 16, wherein the hierarchical location information includes The country, state, province, county, city, region, street name, house number, postal code number, longitude or latitude of the location of the personal navigation device. The method of claim 16, wherein the predetermined type of hierarchical location information includes a path of the personal navigation device. The method of claim 18, wherein the path comprises a starting point, a destination, a plurality of streets, and a path direction. The method of claim 16, wherein if the level of the other person's navigation device is higher than the level of the hierarchical information of the predetermined category, the personal navigation device transmits the hierarchical information of the predetermined type to the other person's navigation device. The method includes: the personal navigation device transmits the predetermined type of hierarchical location information to a server; and the server transmits the predetermined type of hierarchical location information to the another person navigation device. The method of claim 20, further comprising: the another person navigation device transmitting the request to the server; wherein the personal navigation device receives the predetermined category shared by the other person navigation device with the other person navigation device The hierarchical location information requirement is that the personal navigation device receives, by the server, the hierarchical type of the predetermined type shared by the other person navigation device and shared by the other person navigation device. Location information requirements. In the method of claim 20, determining the hierarchy of the other person's navigation device is for the server to determine the level of the other person's navigation device. The method of claim 16, further comprising: when the hierarchical location information is changed, the personal navigation device transmits the updated hierarchical information of the predetermined type to the other person navigation device. The method of claim 16, further comprising: after the personal navigation device transmits the predetermined type of hierarchical location information to the another person navigation device, the personal navigation device periodically transmits the updated level of the predetermined category Location information to the other person navigation device. The method of claim 16, wherein the hierarchical location information comprises a location relationship of the personal navigation device and a landmark. The method of claim 25, wherein the location relationship of the personal navigation device and the landmark comprises a distance of the personal navigation device from the landmark. The method of claim 16, wherein the hierarchy of the other person navigation device is determined to determine a plurality of levels of the other person navigation device; if the level of the other person navigation device has the predetermined type of the personal navigation device Floor Privilege of hierarchical location information, the personal navigation device transmitting the predetermined type of hierarchical location information to the other person navigation device if the plurality of levels of the other person navigation device have a hierarchy of the predetermined category in the personal navigation device For the permission of the location information, the personal navigation device transmits the hierarchical type of location information of the predetermined category to the other person navigation device. The method of claim 16, further comprising the personal navigation device transmitting the name of the user to the other person navigation device. The method of claim 16, wherein the level of the other person navigation device comprises a spouse, a family member, a friend, a classmate, a colleague, and a customer.