WO2006018794A1 - Procede et dispositif de services geodependants pour un equipement utilisateur - Google Patents

Procede et dispositif de services geodependants pour un equipement utilisateur Download PDF

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Publication number
WO2006018794A1
WO2006018794A1 PCT/IB2005/052648 IB2005052648W WO2006018794A1 WO 2006018794 A1 WO2006018794 A1 WO 2006018794A1 IB 2005052648 W IB2005052648 W IB 2005052648W WO 2006018794 A1 WO2006018794 A1 WO 2006018794A1
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Prior art keywords
area
lbs
information
user
areas
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English (en)
Inventor
Yonggang Du
Xiaolu Sun
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Classifications

    • 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
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/2866—Architectures; Arrangements
    • H04L67/30—Profiles
    • H04L67/306—User profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/52—Network services specially adapted for the location of the user terminal
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72457—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location

Definitions

  • the present invention relates generally to a wireless communication system, and more particularly, to a method and apparatus for a user equipment in the wireless communication system to obtain location-based services.
  • LBS Location-based services
  • the wireless communication network operator obtains the location information (longitude and latitude coordinates) of a user equipment through the established wireless network such as GSM, CDMA and other cellular networks, and then provides information relating to the user's location with support of e-map platforms.
  • LBS living information, like local traffic updates, weather, hotel, restaurant and so on, can be provided for the user, and furthermore, emergency rescue can be provided when the user is in danger, thus LBS promises a bright future.
  • LBS offered by the LBS provider are delivered to the user equipment mainly via wireless communication networks.
  • SMSC Short Message Service Center
  • the SMSC forwards the current location of the user to the corresponding LBS application server along with the demand information.
  • the LBS application server searches the LBS available according to the location of the user and the demand.
  • the searching result is sent to the user via SMSC and the wireless communication network.
  • LBS providers can't introduce new LBS quickly, and can't adjust the LBS content provided iri time according to the current usage of the network resource (wireless bandwidth). Furthermore, when acquiring LBS, the user can't control and select LBS, but only receive LBS from the LBS provider passively.
  • An object of the present invention is to provide a method for a user equipment in the wireless communication network system to obtain LBS, with which LBS providers can easily introduce new LBS and adjust the available LBS in time, and thus it turns into a reality for users to dynamically control the LBS acquired.
  • a method for a user equipment to obtain LBS in accordance with the present invention comprising steps: acquiring the location information of the user equipment; judging whether the user equipment is camping in the area where LBS are pre-customized, according to the location information and the predefined area relationship information; establishing a radio link with a LBS application server capable of providing the LBS if the user equipment is camping in the area; receiving the LBS from the application server via the radio link.
  • a method for a user equipment to obtain LBS in accordance with the present invention comprising steps: acquiring the location information of the user equipment; establishing a radio link with a LBS application server capable of providing the LBS; sending the location information along with the LBS service request to the application server via the radio link; receiving the LBS from the application server; wherein the LBS are pre-customized, and the pre-customized LBS are sent to the user equipment when the application server determines that the user equipment is camping in the area where LBS are pre-customized according to the location information and the predefined area relationship information.
  • a method for an application server to provide LBS in accordance with the present invention comprising steps: listing the areas where LBS are available and the relevant LBS for a user to select from the listed areas and LBS; receiving a choosing instruction from the user's input; generating a customized LBS information, including the corresponding area where the LBS are available, for the user according to the selected instruction; storing the generated customized LBS information for the user.
  • a user equipment (UE) capable of obtaining LBS comprising: a location detecting module, for obtaining the location information of the UE; a searching module, for determining whether the UE is camping in the area where LBS are pre-customized for the user, according to the location information and predefined relationship between customized LBS and area where the customized LBS are available; an interface module, for establishing a radio link with an application server capable of providing LBS; wherein the interface module establishes radio link with the application server and receives LBS from the application server via the radio link if the searching module determines the UE is camping in its customized LBS area.
  • An application server capable of providing LBS comprising: a LBS providing module, for listing the areas where LBS are available and the relevant LBS, for a user to select from the listed areas and LBS; a LBS customizing module, for generating a customized LBS information, including the corresponding area where the LBS are available, for the user according to the selected instruction from the user input; a storing module, for storing the generated customized LBS information for the user; a CSCF (customer service configuration file) generating module, for generating an area relationship information according to the areas where the user has customized LBS and the predefined area demarcation criteria, the area relationship information at least comprising information about that the area where LBS are pre-customized is demarcated into several child-areas and the location of each child-area is identified by its characters; wherein the storing module stores the area relationship information.
  • a LBS providing module for listing the areas where LBS are available and the relevant LBS, for a user to select from the listed areas and LBS
  • Fig.1 is a schematic diagram showing a network system from which users can obtain LBS in accordance with the present invention
  • Fig.2 is a block diagram illustrating the application server and UE with which users can obtain LBS in accordance with an embodiment of the present invention
  • Fig.3 is a schematic diagram showing the area demarcation in accordance with an embodiment of the present invention
  • Fig.4 is a schematic diagram showing the data structure of an area described in accordance with an embodiment of the present invention
  • Fig.5 is a schematic diagram showing the area relationship information described in accordance with an embodiment of the present invention.
  • Fig.6 is a schematic diagram for recording area shapes and the corresponding location calculation functions in accordance with an embodiment of the present invention.
  • Fig.7 is a flowchart showing the execution of area search in accordance with an embodiment of the present invention.
  • Fig.8 is a block diagram showing the application server with user configuration function, from which users can obtain LBS, and the UE, in accordance with an embodiment of the present invention
  • Fig.9 is a block diagram showing the architecture of the application server from which users can obtain LBS and the UE in accordance with an embodiment of the present invention
  • Fig.10 is a block diagram showing the architecture of the application server with user configuration function, from which users can obtain LBS, and the UE, in accordance with an embodiment of the present invention.
  • a radio link can be established between the UE and an application server (AS) capable of providing LBS, and through the radio link, the UE can report its location information obtained through GPS to the AS.
  • AS application server
  • the AS judges whether the UE is in an area where LBS are pre-customized. If it's determined that the UE is currently in an area where LBS are pre-customized, the AS sends LBS directly to the UE via the radio link.
  • Fig.l illustrates a network system with which users can obtain LBS.
  • a UE 20 with GPS receiver capability and at least one radio interface such as cellular MODEM establishes a radio link with an AS 10 in the LBS provider network, via Internet
  • UE 20 if UE 20 is in a WLAN and equipped with a WLAN MODEM, it can establish a radio link with AS 10 via Internet 40 or directly, using WAP for example. UE 20 can report the location information obtained through GPS satellite 50 (UE 20 can calibrate the location information using the cellular network) to AS 10 via the established radio link. After determining that UE 20 has pre-customized LBS in the area, AS 10 sends the corresponding LBS to UE 20.
  • the LBS provider inputs information about the several areas and the corresponding LBS available in these areas, into AS 10.
  • an ASAF module 101 According to the input information about the relevant areas and the corresponding LBS available in these areas, an ASAF module 101 generates an ASAF (Available Service and Area File) and stores it in storing module 109.
  • ASAF Automatic Service and Area File
  • SSCF generating module 103 reads out the ASAF from storing module 109 and lists the areas where LBS are available and the relevant LBS for the user to select.
  • the user can select from the listed areas and the corresponding LBS: (i) customize a certain LBS service in all areas where LBS are available (the service content is what the user cares); (ii) customize, in some areas where LBS are available, all the LBS services available in these areas (the service area is what the user concerns about); (iii) customize the corresponding LBS in different areas where LBS are available.
  • (iii) is the most common one, so SSCF generating module 103 takes area as the main category and the corresponding LBS available as the sub-category, or LBS as the main category and the area where LBS are available as the sub-category, so that the user can customize according to actual requirement.
  • SSCF generating module 103 Based on the instruction the user inputs, SSCF generating module 103 generates an information SSCF about the LBS the user customizes in the areas where LBS are available, and the information SSCF is also stored in storing module 109.
  • AS 10 should instantly judge whether the UE has customized LBS in the area to which the location belongs according to the UE's location after receiving the LBS service request from the UE. If LBS have been customized, the customized LBS will be sent to the UE in time.
  • an area demarcation method and a search method in particular are proposed in the embodiment of the present invention, which are implemented by CSCF (Client Service Configuration File) generating module 105 and searching module 111 respectively.
  • CSCF Client Service Configuration File
  • Fig.3 is a schematic diagram showing that CSCF generating module 105 demarcates the area where the user has customized LBS. As shown in Fig.3, CSCF generating module 105 demarcates the area where the user has customized LBS into several child-areas with different shapes, such as circular child-area Al, rectangular child-area A2 and circular child-area A3, according to the predefined area demarcation criteria set by the LBS provider. Each child-area can be further demarcated into several smaller child-areas with different shapes, or namely micro-areas.
  • circular child-area A3 is demarcated into rectangular micro-area A31, circular micro-area A32, circular micro-area A33 and ellipsoidal micro-area A34, and circular micro-area A33 can be further demarcated into even smaller child-areas with different shapes, such as circular child-area A331.
  • searching module 111 can find quickly the area where the UE is camping and LBS are available, which will be elaborated in the following section.
  • CSCF generating module 105 defines each demarcated area as a specific data structure.
  • the data structure of each area includes parent area, area shape, area characteristic value, first child-area and peer area in the same demarcation hierarchy, wherein the area characteristic value are composed of geometry parameters and location parameters corresponding to the area shape, for example, the characteristic value of circular child-area A3 include the radius of the circle as the geometry parameter and the coordinates of the circle center as the location parameter.
  • Fig. 5 is a schematic diagram showing an area relationship information CSCF formed by CSCF generating module 105 with the data structure shown in Fig.4 after the area where the user has customized LBS is demarcated hierarchically.
  • the area relationship information not only reflects the areas in which the user has customized LBS, but also records the relationship between the areas.
  • the CSCF information is also stored in storing module 109.
  • the user of the UE has customized the corresponding LBS in the areas where LBS are available and has formed the SSCF information and CSCF information of the user on AS 10 using SSCF generating module 103 and CSCF generating module 105 according to the areas provided in the
  • the user basically completes configuration of the server side.
  • searching module 111 in AS 10 will perform a fast judgment according to the above generated CSCF information, to decide whether to provide the user information about the LBS the user has customized in the area recorded in the SSCF information. Description will be given below to the judgment procedure in conjunction with Fig. 6 and 7.
  • Fig. 6 shows a table about area shapes and the corresponding location calculation functions stored in storing module 109. Referring to Fig.6, circular child-area A3 shown in
  • Fig. 3 is still taken as an example. If it's necessary to determine whether the UE is in A3, the area shape of A3 is obtained first according to the data structure of A3. After the shape of A3 is determined to be circular, the characteristic value of A3 (the radius of the circle and the coordinates of the center of the circle) and the location information of the UE are substituted into the location calculation function corresponding to a circle in Fig.6, and it can be very easy to determine whether the UE is in A3, for example, with the method of calculating the distance between the UE and the coordinates of the center of A3 according to the location information of the UE and then judging whether the distance is less than the radius of the circle.
  • UE 20 sends a request for establishing radio link to AS 10 via interface module 207. After establishing radio link with AS 10, UE 20 sends the location information and LBS service request to AS 10 over the radio link.
  • searching module 111 in AS 10 judges whether the LMA (Last Matched Area) or namely the area where UE 20 camps in the last calculation stored in storing module 109 is the root area (step SlO).
  • the indication of the root area is that the field "parent area" in the data structure of the area is Null.
  • step S 12 judgment goes to whether the UE is still in area LMA (step S 12).
  • step S 12 calculation is done with the location calculation function corresponding to the shape of area LMA to determine whether the UE is still in area LMA through substituting the characteristic value corresponding to the shape and the location information of the UE according to the shape of area LMA into the location calculation function.. If the UE is still in area LMA, judgment goes to whether area LMA is further demarcated into several child-areas according to the area relationship information CSCF as shown in Fig.5 (step S20).
  • step S32 If area LMA is not further demarcated into several child-areas, that is, the field "first child-area" in the data structure of area LMA is Null, it's determined that UE 20 is still in area LMA (step S32). Otherwise, if area LMA is further demarcated into several child-areas, step S26 will be executed, which will be described hereafter.
  • step S 14 If the UE has left area LMA, judgment goes to whether UE 20 is in the parent area of area LMA according to the CSCF information shown in Fig.5, that is, judging whether UE 20 is in the area represented by the field "parent area” in the data structure of area LMA (step S 14).
  • step S22 judgment goes to whether UE 20 is in one of the peer child-areas constituting the parent-area (step S22), that is, the area represented by the field "first child-area” in the data structure of the parent area and the area represented by the field "peer area in the same demarcation hierarchy" in the data structure of area LMA. If UE 20 is not in any of the peer child-areas of the parent area, it indicates that UE 20 is not in the areas included in the CSCF information, that is, UE 20 is not in the area where it has pre-customized LBS (step S34); if UE 20 is in one of the peer child-areas of the parent area, step 28 will be executed, which will be described later.
  • step S 16 If UE 20 is not in the parent area of area LMA, judgment goes to whether the parent area of area LMA is the root area (step S 16). If the parent area of area LMA is the root area, it indicates that UE 20 currently is not in the area where it has pre-customized LBS (step S34); if the parent area of area LMA is not the root area, judgment goes to whether UE 20 is in a peer child-area in the same demarcation hierarchy as the parent area of area LMA (step S 18).
  • step S34 If UE 20 is not in any peer child-area in the same demarcation hierarchy as the parent area of the area LMA, it indicates that UE 20 currently is not in the area where it has pre-customized LBS (step S34); if UE 20 is in a peer child-area in the same demarcation hierarchy as the parent area of the area LMA, step 28 will be executed, which will be described later.
  • step SlO If it's determined in the above step SlO that area LMA is the root area (area LMA is initialized as the root area when searching module 111 executes search operation the first time), judgment goes to whether area LMA is further demarcated into several child-areas (step S24). If area LMA is not further demarcated into several child-areas, that is, the field
  • first child-area in the data structure of area LMA is Null, then area LMA is the root area and has no child-area, which indicates that UE 20 currently is not in the area where it has pre-customized LBS (step S34).
  • step S26 If area LMA is demarcated into several child-areas, judgment goes to whether UE 20 is in a child-area of area LMA (step S26). If UE 20 is not in any child-area of area LMA, it indicates that UE 20 currently is not in the area where it has pre-customized LBS (step S34); if UE 20 is in a child-area of area LMA, judgment goes to whether the child-area is demarcated into several even smaller child-areas (micro-areas) (step S28).
  • micro-areas micro-areas
  • step S32 If the child-area is not demarcated into several even smaller child-areas, it's determined that UE 20 is in the child-area (step S32); if the child-area is demarcated into several even smaller child-areas, judgment goes to whether UE 20 is in one of the even smaller child-areas (step S30). If UE
  • step S34 If UE 20 is in one of the even smaller child-areas, execution goes on with step S28, to find the smallest child-area where UE 20 is. That a UE in A331 sends a LBS service request to a application server will be taken as an example below, to describe the procedure as how searching module 111 determines that the UE is in area A331 according to the CSCF information shown in Fig.5 using the location calculation function as shown in Fig.6, in conjunction with the flowchart tin Fig.7.
  • step SlO is executed, to judge whether area LMA (or namely area A22) is the root area.
  • area LMA or namely area A22
  • the field "parent area” is "A2”
  • step S 12 the judgment result in step SlO is that area LMA (area A22) is not the root area, then the process goes to step S 12 to judge whether UE 20 is in area LMA (area A22).
  • the location calculation function corresponding to the circular area in Fig.5 is found, and the "area characteristic value" (i.e. geometry parameters "circle radius” and location parameters "coordinates of the circle center") in the data structure of area A22 and the location information of UE 20 are substituted into the corresponding location calculation function, to calculate the distance between UE 20 and the coordinates of the center of area A22.
  • the "area characteristic value" i.e. geometry parameters "circle radius” and location parameters "coordinates of the circle center”
  • step S 14 is executed, to judge whether UE 20 is in the parent area of area LMA (area A22).
  • the field "parent area” in the data structure of area A22 is "A2", so judgment goes to whether UE 20 is in the parent area A2 of area A22.
  • the location calculation function corresponding to the rectangular area in Fig.5 is found and the "area characteristic value" in the data structure of area A2 are substituted into the corresponding location calculation function along with the location information of UE 20, to determine that UE 20 is not in the parent area A2 of area A22.
  • step S16 will be executed, to judge whether the parent area A2 of area A22 is the root area.
  • step Sl 8 will be executed, to judge whether UE 20 is in a peer child-area in the same demarcation hierarchy as area A2, that is, in area "A3" or area “Al” as represented by the field “peer area in the same demarcation hierarchy” in the data structure of area A2.
  • area “Al” can be found according to area "root area” as represented by the field
  • step S28 can be executed then, to judge whether area A3 is demarcated into even smaller child-areas.
  • the field "first child-area" in the data structure of area A3 is not "Null", which indicates that area A3 is demarcated into several even smaller areas, so step S30 will be executed.
  • step S30 judgment goes to whether UE 20 is in a child-area of area A3.
  • A33 is further demarcated into several child-areas, i.e. step S28.
  • the field "first child-area” in the data structure of area A33 is "A331”, so judgment goes on with whether UE 20 is in area A331 and thus finds that UE 20 is in the smallest child-area A331.
  • searching module 111 can determine whether UE 20 currently is in the area where it has pre-customized LBS, through performing the search procedure shown in Fig.7.
  • LBS to UE 20; if UE 20 is in the area such as the above area A331 where it has pre-customized LBS, AS 10 reads out the SSCF information of the user stored in storing module 109 and sends the LBS corresponding to area A331 in the SSCF information to UE
  • UE 20 can access the customized LBS directly via protocols like HTTP. Its bottom-layer link may be WLAN or GPRS, depending on the profile of its wireless interface device. UE 20 can also access LBS using instant message or cellular short message mechanism. For example, if UE 20 and LBS AS 10 are in the same WLAN, AS
  • AS 10 can send the stored LBS information to UE 20 over the direct link established between the Internet and the WLAN interface of UE 20, with instant message transfer mechanism like MS MSN or Yahoo message as provided by the network operator; if UE 20 is in wireless WAN, AS 10 can send the stored LBS information to UE 20 over the radio link established between the SMS or MMS service center and the cellular
  • the LBS provider can customize the LBS acquisition manner when the UE connects its server to download the LBS client software, or users can change the LBS acquisition configuration of the LBS client software according to the configuration of the UE.
  • AS 10 can provide text or multimedia LBS to UE 20 according to the current bandwidth usage of the wireless network.
  • the specific procedure is as follows: adding a bandwidth detecting module 203 in UE 20, for detecting the current bandwidth usage of the wireless network when UE 20 requests to establish radio link with AS 10, and sending the detection result to AS 10 via interface module 207 of the UE; AS 10 provides the relevant LBS to UE 20 according to the detection result received via interface module 107 of the AS.
  • UE 20 can display the received LBS on display 205 automatically or display it on display 205 when the user requires according to the user instruction, through adding a control module 201.
  • SSCF generating module 103, CSCF generating module 105 and the ASAF information stored in storing module 109 in AS 10 are downloaded to UE 22 (as shown in Fig.8) so that the user can modify its customized LBS in UE 22 without logging into the AS.
  • the SSCF generating module in UE 22 lists the areas where LBS are available and the LBS included in the ASAF information for the user to select, and generates an updated SSCF information according to the user selection; the CSCF generating module generates an updated CSCF information according to the area where the user has customized LBS in the updated SSCF information.
  • the operations of the SSCF generating module and CSCF generating module are the same as those in AS 10.
  • UE 22 sends the updated SSCF information and CSCF information to AS 10 through establishing a radio link with AS 10 immediately, to update the SSCF information and CSCF information previously stored in AS 10. Or UE 22 first stores the updated SSCF information and CSCF information in storing module 209, and then sends the updated SSCF information and CSCF information to AS 10 along with the radio link establishment request or LBS service request later when UE 22 requests AS 10 for establishing radio link or sends LBS service request to AS 10, to update the SSCF information and CSCF information previously stored in AS 10.
  • the UE to get LBS first sends request for establishing radio link to AS 10, and sends LBS service request later to AS 10 over the radio link after the radio link is established; then, after the searching module in AS 10 searches according to the CSCF information and determines the UE is in the area where it has pre-customized LBS, AS 10 provides LBS corresponding to the area to the UE according to the SSCF information, so that the UE can receive LBS from the AS over the radio link.
  • UE 24 includes searching module 111 which is downloaded from AS 10, so that the searching module 111 can perform a fast judgment as whether UE 24 is in the area where it has pre-customized
  • searching module 111 in UE 24 performs the above search operations to determine whether UE 24 is in the area where it has pre-customized LBS according to the user instruction, for instance when the user requires to obtain LBS, or performs the above search operations regularly to determine whether UE 24 is in the area where it has pre-customized LBS according to the time interval the user presets, or generates a control information when location detecting module 203 in UE 24 detects that
  • UE 24 has left area LMA, to perform the above search operations to determine whether UE
  • searching module 111 in UE 24 won't originate the request for establishing radio link with the application server when determining that UE 24 is not in the area where it has pre-customized LBS, with which limited radio resource can be saved, and the battery power of UE 24 can be preserved as well.
  • the embodiment shown in Fig.9 is, therefore, a preferred embodiment.
  • UE 24 in Fig.9 can also download the SSCF generating module and
  • the user can modify the customized LBS and generates new SSCF information and CSCF information at UE 26.
  • the user can dynamically control the LBS expected.
  • the UE can connect the provider network directly via WLAN or GPRS to obtain service, so tight couple with operators is not required for the LBS provider and various services can be deployed flexibly, which is beneficial for the LBS provider to introduce new LBS quickly.
  • the user can determine its location at the UE side and initiate service request, thus he/she can control acquisition of services rather than just wait passively, which is of great help for saving the limited radio resource and the battery power of the UE.
  • the user can also modify and add LBS in some areas at the UE in time according to the downloaded ASAF information, so he/she can dynamically control the LBS expected to some extent.
  • the UE can report the current usage of the network resource (wireless bandwidth) detected to the AS, so the AS can adjust the LBS content to be sent in time, and thus the UE can obtain the optimum LBS.
  • the network resource wireless bandwidth

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Abstract

La présente invention concerne un procédé de service géodépendant pour un équipement utilisateur en plusieurs opérations: obtention de l'information de localisation de l'équipement utilisateur, vérification de la présence de l'équipement utilisateur dans la zone de préadaptation des services géodépendants en fonction de l'information de localisation et de l'information prédéfinie de relations entre zones, établissement d'une liaison radio avec un serveur d'applications capable de fournir le service géodépendant si l'équipement utilisateur est dans la zone, réception du service géodépendant depuis le serveur d'application via la liaison radio.
PCT/IB2005/052648 2004-08-19 2005-08-10 Procede et dispositif de services geodependants pour un equipement utilisateur Ceased WO2006018794A1 (fr)

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CN200410057777.8 2004-08-19
CNA2004100577778A CN1738478A (zh) 2004-08-19 2004-08-19 一种使无线终端获得基于位置的服务的方法和装置

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CN103841510B (zh) * 2012-11-20 2017-07-21 财团法人资讯工业策进会 位置服务提供系统及方法
CN105992137A (zh) * 2015-01-29 2016-10-05 中兴通讯股份有限公司 基于位置的服务lbs平台信令交互的执行方法及装置

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8078203B2 (en) 2007-10-11 2011-12-13 Motorola Mobility, Inc. Intelligent messaging service
CN101527877B (zh) * 2008-03-07 2015-11-25 沈玮仑 与gps设备进行通讯的设备与方法
WO2011076232A1 (fr) 2009-12-22 2011-06-30 Telefonaktiebolaget L M Ericsson (Publ) Procédé de coordination pour la fourniture de services composites

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