Methods, apparatus, and systems using enhanced dedicated core network (DCN) selection
First Claim
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1. A method, implemented by a WTRU that is in idle mode, comprising:
- sending, by the WTRU, a Service Request (SR) to change the WTRU to connected mode;
receiving, by the WTRU, a GUTI/P-TMSI Reallocation Command that includes assistance information indicating a new or a changed dedicated core network (DCN) to serve the WTRU;
storing, by the WTRU in nonvolatile memory, the assistance information indicating the new or changed DCN to serve the WTRU;
receiving, by the WTRU, a Connection Release message; and
sending, by the WTRU a Tracking Area Update Request or a Routing Area Update Request including the assistance information indicating the new or changed DCN to serve the WTRU.
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Abstract
Methods, apparatus and systems using Enhanced Dedicated Core Network (DCN) selection are disclosed. One representative method includes receiving, by the core network entity from another core network entity, information indicating that a DCN type is new or has change for a wireless transmit/receive unit (WTRU); and sending a message, by the core network entity to the WTRU, including a new or a changed DCN type.
5 Citations
16 Claims
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1. A method, implemented by a WTRU that is in idle mode, comprising:
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sending, by the WTRU, a Service Request (SR) to change the WTRU to connected mode; receiving, by the WTRU, a GUTI/P-TMSI Reallocation Command that includes assistance information indicating a new or a changed dedicated core network (DCN) to serve the WTRU; storing, by the WTRU in nonvolatile memory, the assistance information indicating the new or changed DCN to serve the WTRU; receiving, by the WTRU, a Connection Release message; and sending, by the WTRU a Tracking Area Update Request or a Routing Area Update Request including the assistance information indicating the new or changed DCN to serve the WTRU. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A wireless transmit/receive unit (WTRU) configured to be in idle mode, comprising:
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a transmit/receive unit configured to; send a Service Request (SR) to change the WTRU to connected mode; and receive a GUTI/P-TMSI Reallocation Command that includes assistance information indicating a new or a changed dedicated core network (DCN) type indicating a DCN to serve the WTRU; a processor configured to determine the assistance information; and a nonvolatile memory configured to store the assistance information indicating the new or changed DCN; wherein the transmit/receive unit is configured to; receive a Connection Release message; and send a Tracking Area Update Request or a Routing Area Update Request including the new or changed DCN to serve the WTRU. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification