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US 2016/0113054 A1Published application
Method for Maintenance of Maximum Number of Bearers When Maximum Number of Bearers Reached
AssigneeMediatek Inc.
InventorsChi-Hsien Chen, Po-Ying Chuang, Chien-Chun Huang-Fu
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Abstract
A method of maintaining maximum number of bearers when maximum number of bearers reached is proposed. An enhanced SM/ESM procedure is proposed to synchronize between UE and network and to determine a precise maximum bearer number for protecting network resource and improving user experience. The UE determines the maximum bearer number based on a cause code contained in an SM reject message and updates the number under various network scenarios including system change.
Claims23
A method, comprising:
- receiving a session management (SM) reject message by a user equipment (UE) in a mobile communication network, wherein the SM reject message comprises a cause code indicating that a maximum number of bearers has been reached;
- determining the maximum number of bearers based on the SM reject message;
- receiving a subsequent SM request from the network, wherein the subsequent SM request is associated with a set of parameters;
- updating the maximum number of bearers based on the SM request and the set of parameters;
- and
- accepting the subsequent SM request to establish a new bearer.
3 more elements
A method, comprising:
- (a) determining a first maximum number of bearers for a first radio access technology (RAT) by a user equipment (UE) in a mobile communication network;
- (b) determining a second maximum number of bearers for a second RAT by the UE;
- (c) establishing a number of active bearers in the second RAT;
- (d) changing from the second RAT to the first RAT with the number of active bearers;
- and
- (e) updating the first maximum number of bearers based on the number of active bearers and a set of parameters.
3 more elements
A method, comprising:
- (a) determining a change condition for a maximum number of bearers by a network controller in a mobile communication network, wherein the maximum number of bearers is a limit for a user equipment (UE) to establish bearers using a session management (SM) procedure;
- (b) determining whether the UE has reached the maximum number of bearers, wherein the maximum number of bearers is dependent on a radio access technology (RAT) or an access point name (APN);
- and
- (c) transmitting an information element (IE) to the UE when the change condition is satisfied, wherein the IE contains a MAX_BEARER_NUMBER to explicitly indicate the maximum number of bearers.
1 more element
A method, comprising:
- (a) establishing a radio resource control (RRC) connection by a base station with a user equipment (UE) in a mobile communication network;
- and
- (b) transmitting an information element (IE) to the UE, wherein the IE contains a MAX_BEARER_NUMBER to explicitly indicate a maximum number of bearers.
Dependencies are inferred from the claim text.