Method for Processing Unsuccessful PDN Establishment Request
AssigneeMediatek Inc.
InventorsPo-Ying Chuang, Chi-Hsien Chen, Chien-Chun Huang-Fu
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Abstract
A method of enhanced session management procedure is proposed. A user equipment, upon receiving a rejected PDN connectivity request with a cause code, automatically alters the rejected factor to fit network restrictions based on the received cause code. The UE then retries the PDN connectivity procedure by sending a subsequent PDN connectivity request using the altered factor. By automatically altering the rejected factor and reattempting to establish an EPS bearer for data service without user interaction, possible permanent rejection can be avoided in case of user error or unawareness.
Claims20
A method, comprising:
- transmitting a Packet Data Network (PDN) connectivity request by a user equipment (UE) in a mobile communication network, wherein the PDN connectivity request is associated with a set of parameters including a requested Access Point Name (APN), a PDN type, a Radio Access Technology (RAT), and a PLMN/EPLMN ID;
- receiving a PDN connectivity reject message from the network, wherein the PDN connectivity reject message comprises a cause code;
- updating the set of parameters based on the cause code;
- and
- transmitting a subsequent PDN connectivity request using the updated set of parameters.
A user equipment (UE), comprising:
- a transmitter that transmits a Packet Data Network (PDN) connectivity request in a mobile communication network, wherein the PDN connectivity request is associated with a set of parameters including a requested Access Point Name (APN), a PDN type, a Radio Access Technology (RAT), and a PLMN/EPLMN ID;
- a receiver that receives a PDN connectivity reject message from the network, wherein the PDN connectivity reject message comprises a cause code;
- and
- a PDN connectivity handler that updates the set of parameters based on the cause code, wherein the UE transmits a subsequent PDN connectivity request using the updated set of parameters.
Dependencies are inferred from the claim text.