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US20080273488A1 - Method and apparatus for mobile based access point name (apn) selection - Google Patents

Method and apparatus for mobile based access point name (apn) selection Download PDF

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Publication number
US20080273488A1
US20080273488A1 US12/133,880 US13388008A US2008273488A1 US 20080273488 A1 US20080273488 A1 US 20080273488A1 US 13388008 A US13388008 A US 13388008A US 2008273488 A1 US2008273488 A1 US 2008273488A1
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Prior art keywords
apn
pdp
sgsn
requested
type
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US12/133,880
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Kamel M. Shaheen
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InterDigital Technology Corp
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InterDigital Technology Corp
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Priority to US12/133,880 priority Critical patent/US20080273488A1/en
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Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/17—Selecting a data network PoA [Point of Attachment]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00—Indexing scheme associated with group H04L61/00
    • H04L2101/30—Types of network names
    • H04L2101/375—Access point names [APN]

Definitions

  • the present invention relates to wireless communication systems. More particularly, the invention relates to method and apparatus for permitting access to an access point name (APN) not included within the subscribers list of services.
  • APN access point name
  • the present invention provides a procedure in which a user is given an opportunity to access any APN he wishes provided that the user is advised that he is not currently subscribed to this particular APN and that additional charges will be billed to his account.
  • the user may also be requested to provide credit/debit card (or the like) information to cover access and future traffic charges. If the user agrees to the charges and/or provides credit/debit card information, i.e., payment information, a serving general packet radio service (GPRS) support node, i.e. (SGSN) selects the requested APN and proceeds to select the appropriate GGSN for the requested APN.
  • GPRS general packet radio service
  • the present invention extends existing standardized APN selection procedures enabling a user to select a domain name (APN) of his choice, even though not among his subscription list, providing that the user consents/agrees to the applied charges for access and contents.
  • APN domain name
  • the technique of the present invention includes informing the user that he is attempting to access a domain name that he is not authorized to access.
  • the procedure requests that a user confirm his intent to access such a domain by requesting financial verification which may be a credit/debit card, electronic check or the like, for billing access and traffic charges.
  • financial verification may be a credit/debit card, electronic check or the like, for billing access and traffic charges.
  • the SGSN selects the requested APN and the appropriate gateway GPRS support node (GGSN) to facilitate the connection.
  • GGSN gateway GPRS support node
  • FIG. 1 is a diagram useful in explaining the packet data protocol (PDP) context activation procedure.
  • PDP packet data protocol
  • FIG. 2 is a diagram useful in explaining overall GGSN selection.
  • FIG. 3 is a diagram showing the conventional APN selection procedure.
  • FIG. 4 is a diagram showing the APN selection procedures (SGSN) of the present invention.
  • FIG. 1 shows a PDP context activation procedure in which the mobile station 10 , at step S 1 , activates a packet data protocol (PDP) context request to SGSN 14 , which request includes information such as PDP type, PDP address, access point name (APN), quality of service (QoS) and the like.
  • PDP packet data protocol
  • APN access point name
  • QoS quality of service
  • the APN is used to select a reference point to a certain packet data network and/or to select a service.
  • SGSN 14 at step S 2 , validates the request, selects the requested APN and maps the APN to a GGSN, such as GGSN 16 .
  • the SGSN creates the packet data protocol (PDP) context request which includes the PDP type, the PDP address, the access point name (APN), quality of service (QoS) and the like.
  • GGSN 16 creates the PDP context response including the tunnel endpoint identifier (TEID), PDP address, PDP configuration options, QoS, charging identification and cause, at step S 4 .
  • a radio access bearer (RAB) setup is created between SGSN 14 and radio access network (RAN) 12 (step S 5 A) and between the mobile station 10 and the radio access network (RAN) 12 (step S 5 B) utilizing a known RAB assignment procedure.
  • SGSN 14 invokes a trace with RAN 12 employing a known procedure.
  • SGSN 14 updates the PDP context request to GGSN 16 and, responsive thereto, GGSN 16 updates the PDP context response, at step S 8 .
  • SGSN 14 inserts the GGSN address into its PDP context and sends the PDP address received from the GGSN 16 to mobile station 10 and activates the PDP context accept at step S 10 which includes PDP type, PDP address, TI, QoS, radio priority, packet flow ID and PDP configuration options.
  • FIG. 2 is a diagram useful in explaining the overall GGSN selection.
  • the UE 10 also shown as the mobile station in FIG. 1 , sends a request including PDP type, PDP address and APN to SGSN 14 .
  • the SGSN 14 sends the APN and visited/home public land mobile network (V/H) PLMN-OI to the directory name service (DNS) database 16 which either provides the GGSN address shown at 18 or indicates an error at 20 if there is no associated GGSN.
  • V/H visited/home public land mobile network
  • DNS directory name service
  • the SGSN 14 receives from the home location register (HLR) 22 the subscribed: PDP type, PDP address, APN and the visited public land mobile network (VPLMN) address which is allowed. SGSN 14 also receives the SGSN access point name (APN) from defaults 24 provided in software which is hard-coded in SGSN 14 .
  • HLR home location register
  • PDP packet data convergence protocol
  • PDP address PDP address
  • APN visited public land mobile network
  • FIG. 3 shows the existing procedure for APN selection wherein, at step S 1 , the SGSN receives an activate PDP context request from the UE (note, for example UE 10 in FIG. 2 ). At step S 2 , the SGSN checks the optional information which includes PDP type, PDP address and APN. If there is no information, at step S 3 , the SGSN, which branches to step S 7 , checks the subscribed information and, at step S 8 , rejects the request if the UE has multiple PDP subscriptions since only one PDP type can be designated.
  • the optional information which includes PDP type, PDP address and APN.
  • step S 9 if the checking step indicates that the UE has a single subscription, the SGSN, branches to step S 10 and provides subscribed information which includes the address mode, either dynamic or static, the PDP type and the subscribed APN of the SGSN if the subscribed APN is a wildcard and there is no APN request.
  • WILDCARD means that Any Name can be used without causing any problems.
  • step S 2 if there is only a PDP type request, determined at step S 4 and if the PDP type compares with the subscribed PDP type, determined at step S 11 the routine jumps to step S 10 wherein the SGSN provides the same information as set forth above and as shown in step S 10 .
  • step S 11 if the PDP type is not the subscribed PDP type the routine branches to step S 12 , causing the request to be rejected by the SGSN.
  • step S 11 if the PDP type is the subscribed PDP type and the PDP add request (PDP ADD (R)) is the same as the PDP add subscribed, determined at step S 13 , the SGSN provides the data shown at step S 10 . However, returning to step S 13 , if the PDP add request (PDP ADD(R)) is not the same as the PDP add subscribed, the routine branches to step S 12 wherein the request is rejected.
  • R here means Requested by the UE. It may or may not be honored by the network depending on the subscription information in the HLR.
  • step S 11 if the PDP type is the same as the PDP type subscribed and, as determined at step S 14 , if the APN request is the same as the APN subscribed, the SGSN branches to step S 10 providing the information set forth therein. However, if the APN request is not the same as the APN subscribed, the routine branches to step S 12 in which the request is rejected.
  • step S 16 branches to step S 11 to determine if the PDP type is the same as the PDP type subscribed. If so, the program branches to step S 14 wherein, if the APN requested is the same as the APN subscribed, the SGSN provides the information shown in step S 10 . If the APN requested is not the same as the APN subscribed, the routine branches to step S 12 wherein the request is rejected.
  • step S 14 if the APN request is the same as the APN subscribed the routine branches to step S 15 wherein, if the PDP add request is the same as the PDP add subscribed, the SGSN provides the information set forth at step S 10 . Alternatively, if the PDP add request (PDP ADD (R)) is not the same as the PDP add subscribed, the routine branches to step S 12 in which the request is rejected.
  • FIG. 4 shows the extended APN selection procedure in accordance with the present invention wherein, when the SGSN, at step S 1 receives the activate PDP context request from the UE 10 (see FIGS. 1 and 2 ), the SGSN, at step S 2 , checks the optional information such as PDP type, PDP address and APN. If only the PDP type and APN are present, at step S 3 , the routine branches to step S 4 to determine if the PDP type is the subscribed PDP type. If not, the routine branches to step S 5 , rejecting the request. If the PDP type is the same as the subscribed PDP type, the routine branches to step S 5 to examine the APN. If the requested APN is the same as the subscribed APN, the routine branches to provide the same information shown at step S 10 in FIG. 3 .
  • the routine branches to determine if the PDP type is the subscribed PDP type. If not, the routine branches to step S 5 , rejecting the request. If the PDP type is the same as the subscribed PDP
  • step S 7 the routine branches to step S 7 to inform the user that the APN requested is not authorized and that if the UE (mobile station) wants to continue, the UE must agree to the terms and conditions and provide credit (or debit) card or like information.
  • the SGSN at step S 8 examines the UE response and, if the terms and conditions are accepted, the routine branches to step S 9 wherein the requested APN is selected. If the UE does not accept the terms and conditions, the routine branches to step S 5 wherein the SGSN rejects the request.
  • step S 10 when the PDP type, PDP address and APN are all present, the routine branches to step S 10 wherein steps S 4 and S 6 are repeated and, dependent upon the results of these comparisons, the routine branches to either steps S 5 , S 7 or S 10 of FIG. 3 , the remainder of the routine being the same as described hereinabove for the case where only PDP type and APN are provided to the SGSN by the UE, shown in step S 3 in FIG. 4 .

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
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Abstract

A procedure is provided wherein a serving general packet radio service (GPRS) support node (SGSN) receives a request for an access point name (APN) the SGSN making a determination if the requested packet data protocol (PDP) and APN are the same as subscribed information. In the event that the requested and subscribed PDP type and the requested and subscribed APN are not the same, the SGSN advises that the APN requested is not authorized and agreement to terms and conditions and the provision of credit (or debit) card information must be provided to obtain the requested APN.

Description

    CROSS REFERENCE TO RELATED APPLICATIONS
  • This application is a continuation of U.S. patent application Ser. No. 11/228,619, filed Sep. 16, 2005, which is a continuation of Ser. No. 10/321,331, filed Dec. 17, 2002, now U.S. Pat. No. 6,970,694, issued Nov. 29, 2005, which claims the benefit of U.S. Provisional Application Ser. No. 60/399,593, filed Jul. 30, 2002, which are incorporated by reference as if fully set forth.
    • FIELD OF INVENTION
  • The present invention relates to wireless communication systems. More particularly, the invention relates to method and apparatus for permitting access to an access point name (APN) not included within the subscribers list of services.
    • BACKGROUND
  • Existing standardized APN selection procedures will result in a denial of service (reject packet data protocol (PDP) Context activation procedures) in those cases where a mobile user has requested access to a certain APN not included within the list to which that user has subscribed.
    • SUMMARY
  • The present invention provides a procedure in which a user is given an opportunity to access any APN he wishes provided that the user is advised that he is not currently subscribed to this particular APN and that additional charges will be billed to his account. The user may also be requested to provide credit/debit card (or the like) information to cover access and future traffic charges. If the user agrees to the charges and/or provides credit/debit card information, i.e., payment information, a serving general packet radio service (GPRS) support node, i.e. (SGSN) selects the requested APN and proceeds to select the appropriate GGSN for the requested APN.
  • The present invention extends existing standardized APN selection procedures enabling a user to select a domain name (APN) of his choice, even though not among his subscription list, providing that the user consents/agrees to the applied charges for access and contents.
  • The technique of the present invention includes informing the user that he is attempting to access a domain name that he is not authorized to access. The procedure requests that a user confirm his intent to access such a domain by requesting financial verification which may be a credit/debit card, electronic check or the like, for billing access and traffic charges. Upon agreement and verification, the SGSN selects the requested APN and the appropriate gateway GPRS support node (GGSN) to facilitate the connection.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The present invention will be understood from the accompanying description and drawings wherein like elements are designated by like numerals and, wherein:
  • FIG. 1 is a diagram useful in explaining the packet data protocol (PDP) context activation procedure.
  • FIG. 2 is a diagram useful in explaining overall GGSN selection.
  • FIG. 3 is a diagram showing the conventional APN selection procedure.
  • FIG. 4 is a diagram showing the APN selection procedures (SGSN) of the present invention.
    •  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT(S)
  • FIG. 1 shows a PDP context activation procedure in which the mobile station 10, at step S1, activates a packet data protocol (PDP) context request to SGSN14, which request includes information such as PDP type, PDP address, access point name (APN), quality of service (QoS) and the like. The APN is used to select a reference point to a certain packet data network and/or to select a service. SGSN 14, at step S2, validates the request, selects the requested APN and maps the APN to a GGSN, such as GGSN 16. Thereafter, the SGSN, at step S3, creates the packet data protocol (PDP) context request which includes the PDP type, the PDP address, the access point name (APN), quality of service (QoS) and the like. GGSN 16 creates the PDP context response including the tunnel endpoint identifier (TEID), PDP address, PDP configuration options, QoS, charging identification and cause, at step S4. At step S5, a radio access bearer (RAB) setup is created between SGSN 14 and radio access network (RAN) 12 (step S5A) and between the mobile station 10 and the radio access network (RAN) 12 (step S5B) utilizing a known RAB assignment procedure. At step S6, SGSN 14 invokes a trace with RAN 12 employing a known procedure.
  • At step S7, SGSN 14 updates the PDP context request to GGSN 16 and, responsive thereto, GGSN 16 updates the PDP context response, at step S8. SGSN 14, at step S9, inserts the GGSN address into its PDP context and sends the PDP address received from the GGSN 16 to mobile station 10 and activates the PDP context accept at step S10 which includes PDP type, PDP address, TI, QoS, radio priority, packet flow ID and PDP configuration options.
  • FIG. 2 is a diagram useful in explaining the overall GGSN selection. The UE 10, also shown as the mobile station in FIG. 1, sends a request including PDP type, PDP address and APN to SGSN 14. The SGSN 14 sends the APN and visited/home public land mobile network (V/H) PLMN-OI to the directory name service (DNS) database 16 which either provides the GGSN address shown at 18 or indicates an error at 20 if there is no associated GGSN.
  • The SGSN 14 receives from the home location register (HLR) 22 the subscribed: PDP type, PDP address, APN and the visited public land mobile network (VPLMN) address which is allowed. SGSN 14 also receives the SGSN access point name (APN) from defaults 24 provided in software which is hard-coded in SGSN 14.
  • FIG. 3 shows the existing procedure for APN selection wherein, at step S1, the SGSN receives an activate PDP context request from the UE (note, for example UE 10 in FIG. 2). At step S2, the SGSN checks the optional information which includes PDP type, PDP address and APN. If there is no information, at step S3, the SGSN, which branches to step S7, checks the subscribed information and, at step S8, rejects the request if the UE has multiple PDP subscriptions since only one PDP type can be designated. Alternatively, after performing the checking step S7, at step S9, if the checking step indicates that the UE has a single subscription, the SGSN, branches to step S10 and provides subscribed information which includes the address mode, either dynamic or static, the PDP type and the subscribed APN of the SGSN if the subscribed APN is a wildcard and there is no APN request. WILDCARD=means that Any Name can be used without causing any problems.
  • Returning to step S2, if there is only a PDP type request, determined at step S4 and if the PDP type compares with the subscribed PDP type, determined at step S11 the routine jumps to step S10 wherein the SGSN provides the same information as set forth above and as shown in step S10.
  • Returning to step S11, if the PDP type is not the subscribed PDP type the routine branches to step S12, causing the request to be rejected by the SGSN.
  • Again returning to step S11, if the PDP type is the subscribed PDP type and the PDP add request (PDP ADD (R)) is the same as the PDP add subscribed, determined at step S13, the SGSN provides the data shown at step S10. However, returning to step S13, if the PDP add request (PDP ADD(R)) is not the same as the PDP add subscribed, the routine branches to step S12 wherein the request is rejected. (R) here means Requested by the UE. It may or may not be honored by the network depending on the subscription information in the HLR.
  • Again returning to step S11, if the PDP type is the same as the PDP type subscribed and, as determined at step S14, if the APN request is the same as the APN subscribed, the SGSN branches to step S10 providing the information set forth therein. However, if the APN request is not the same as the APN subscribed, the routine branches to step S12 in which the request is rejected.
  • Returning to step S2, if the PDP type request, the PDP type the PDP address and the APN are all present, the program, at step S16, branches to step S11 to determine if the PDP type is the same as the PDP type subscribed. If so, the program branches to step S14 wherein, if the APN requested is the same as the APN subscribed, the SGSN provides the information shown in step S10. If the APN requested is not the same as the APN subscribed, the routine branches to step S12 wherein the request is rejected.
  • Returning to step S14, if the APN request is the same as the APN subscribed the routine branches to step S15 wherein, if the PDP add request is the same as the PDP add subscribed, the SGSN provides the information set forth at step S10. Alternatively, if the PDP add request (PDP ADD (R)) is not the same as the PDP add subscribed, the routine branches to step S12 in which the request is rejected.
  • FIG. 4 shows the extended APN selection procedure in accordance with the present invention wherein, when the SGSN, at step S1 receives the activate PDP context request from the UE 10 (see FIGS. 1 and 2), the SGSN, at step S2, checks the optional information such as PDP type, PDP address and APN. If only the PDP type and APN are present, at step S3, the routine branches to step S4 to determine if the PDP type is the subscribed PDP type. If not, the routine branches to step S5, rejecting the request. If the PDP type is the same as the subscribed PDP type, the routine branches to step S5 to examine the APN. If the requested APN is the same as the subscribed APN, the routine branches to provide the same information shown at step S10 in FIG. 3.
  • If the APN requested and the APN subscribed are not the same, the routine branches to step S7 to inform the user that the APN requested is not authorized and that if the UE (mobile station) wants to continue, the UE must agree to the terms and conditions and provide credit (or debit) card or like information.
  • The SGSN, at step S8 examines the UE response and, if the terms and conditions are accepted, the routine branches to step S9 wherein the requested APN is selected. If the UE does not accept the terms and conditions, the routine branches to step S5 wherein the SGSN rejects the request.
  • Returning to step S2, when the PDP type, PDP address and APN are all present, the routine branches to step S10 wherein steps S4 and S6 are repeated and, dependent upon the results of these comparisons, the routine branches to either steps S5, S7 or S10 of FIG. 3, the remainder of the routine being the same as described hereinabove for the case where only PDP type and APN are provided to the SGSN by the UE, shown in step S3 in FIG. 4.

Claims (29)

1. A method comprising, a mobile station (UE):
a) communicating to a serving general packet radio service (GPRS) support node (SGSN), a packet data protocol (PDP) context request to the network requesting a PDP type and an access point name (APN);
the SGSN:
b) validating the request and mapping the APN to a gateway
GPRS support node (GGSN);
the GGSN:
c) responding to the SGSN;
the SGSN:
d) advising the UE that it is not authorized to receive the requested APN and that the UE must agree to terms and conditions to access the requested APN when the PDP type is the same as the PDP type subscribed and when the APN requested is not the same as the APN subscribed for said UE; and
the UE:
e) accepting said terms and conditions to obtain the requested APN.
2. The method of claim 1 wherein step (d) includes sending a requirement that the UE consent to charges, and further comprising. said UE communicating information to the network to charge costs of obtaining said APN.
3. The method of claim 2 wherein the step of communicating information to charge costs of obtaining said APN further comprises communicating credit card information.
4. The method of claim 1 further comprising, said UE receiving the requested APN.
5. The method of claim 1 further comprising, said SGSN:
rejecting the requested APN when a subscribed PDP type of the UE is not the same as the requested PDP type.
6. The method of claim 1 further comprising, said UE communicating a rejection of the terms and conditions.
7. The method of claim 1 further comprising, said UE requesting a PDP address as part of said context request.
8. The method of claim 1 further comprising, the SGSN providing a radio access bearer (RAB) setup with the UE, employing a radio access network (RAN).
9. The method of claim 1 wherein the SGSN, responsive the UE consenting to the terms, providing a radio access bearer (RAB) setup with the UE.
10. The method of claim 9 wherein the SGSN provides the RAB setup employing a radio access network (RAN).
11. A method for a serving general packet radio services (GRPS) support node (SGSN), which processes a context request for an access point node (APN), said SGSN comprising:
a) checking subscribed information from a user equipment (UE) when none of a PDP type, a PDP address and an APN are present;
b) rejecting the UE request if the UE has a multiple PDP subscription.
12. The method of claim 11 further comprising, said SGSN communicating the requested APN when the UE has a single subscription.
13. The method of claim 12 further comprising, said SGSN communicating an address mode and PDP type as well as the requested APN when the UE has a single subscription.
14. The method of claim 11 further comprising, said SGSN rejecting the context request when a subscribed PDP type is not the same as the requested PDP type.
15. The method of claim 11 further comprising, said SGSN providing an address mode and PDP type as well as the requested APN when the requested PDP type is the same as a subscribed type.
16. Apparatus configured as a serving general packet radio service (GRPS) support node (SGSN), comprising:
a receiver for receiving a context request requesting a packet data protocol (PDP) type, a PDP address, and an access point name (APN);
a comparison device for determining if at least the PDP address requested compares with subscribed data, and
a device for granting the request when a comparison is present.
17. The apparatus of claim 16 wherein the granting device is configured to provide address mode and PDP type as well as the APN.
18. Apparatus configured as a serving general packet radio service (GRPS) support node (SGSN), comprising:
a receiver for receiving a context request requesting only a packet data protocol (PDP) type;
a comparison device for determining if at least the PDP type requested compares with subscribed data, and
a device for granting the request when a comparison is present.
19. The apparatus of claim 18 wherein the granting device is configured to provide address mode and APN as well as PDP type.
20. Apparatus configured as a serving general packet radio service (GRPS) support node (SGSN), comprising:
a receiver for receiving a context request requesting only a packet data protocol (PDP) type and PDP address;
a comparison device for determining if the PDP type and PDP address requested compares with subscribed data, and
a device for granting the request when a comparison is present.
21. The apparatus of claim 20 wherein the granting device is configured to provide APN as well as PDP type and PDP address.
22. Apparatus configured as a serving general packet radio service (GRPS) support node (SGSN), comprising:
a receiver for receiving a context request requesting only an APN;
a comparison device for determining if the APN requested compares with subscribed data, and
a device for granting the request when a comparison is present.
23. The apparatus of claim 22 wherein the granting device is configured to provide a PDP type and PDP address as well as the requested APN.
24. The apparatus of claim 16 further comprising a device for rejecting the context request when at least one of the requested PDP type and the PDP address is not the same as the subscribed criteria.
25. The apparatus of claim 18 further comprising a device for rejecting the request when the PDP type requested does not compare with the stored criteria.
26. The apparatus of claim 20 further comprising a device for rejecting the request when at least one of the PDP type and PDP address requested does not compare with the stored criteria.
27. Apparatus, comprising:
a serving general packet radio service (GPRS) support node (SGSN);
at least one gateway GPRS support node (GGSN);
said SGSN configured for:
receiving a context request requesting a packet data protocol (PDP) type and an access point name (APN) from a mobile unit (UE);
examining the PDP type and APN request;
validating the request when the PDP type and APN requested compare with a subscribed PDP type and APN and further providing a PDP address;
mapping the requested APN to said GGSN;
said GGSN configured to:
provide a context response to said SGSN responsive to said mapped context request; and
said SGSN being further configured to:
communicate the context response to said UE.
28. The apparatus of claim 27 wherein said GGSN is further configured to provide a tunnel endpoint identifier (TEIP), a PDP type, a quality of service (QoS) and a charging ID to said SGSN as part of said context response to said UE.
29. The communication apparatus of claim 28 wherein said SGSN includes means for inserting a GGSN address of said GGSN and the requested APN address as part of the PDP context, responsive to the context response to the UE from said GGSN.
US12/133,880 2002-07-30 2008-06-05 Method and apparatus for mobile based access point name (apn) selection Abandoned US20080273488A1 (en)

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