CN105612786A

5G,4G,3G,2G

Title

User equipment and methods for fast handover failure recovery in 3gpp lte network

Application Number:

CN2014844269

Publication Date:

25-05-2016

Current Assignee:

NOT AVAILABLE

Family ID:

52667920

Application Date:

17-09-2014

Declaring Company:

APPLE INC , INTEL CORP

Publication Country:

US

Priority Date:

17-09-2013

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Title

User equipment and methods for fast handover failure recovery in 3gpp lte network

Application Number:

CN2014844269

Family ID:

52667920

Publication Country:

US

Publication Date:

25-05-2016

Application Date:

17-09-2014

Priority Date:

17-09-2013

Current Assignee:

NOT AVAILABLE

Declaring Company:

APPLE INC , INTEL CORP

View on Espacenet goto-link

Abstract  Abstract

The invention generally claims 3GPP LTE network failure recovery for fast switching in user equipment (UE) and the method of the embodiment. In some embodiments the UE can operate in the same radio link failure (RLF) timer and trigger time (TTT) timer by transmitting a random access channel (RACH) 2 message to initiate handover (HO) failure recovery. RACHs 2 information can be transmitted on the random access channel for a radio resource control (RRC) connection message reconstruction. as a part of a radio link monitoring (RLM) process can be based on radio link conditions with the serving cell for RLF timer is activated and as a part of the HO process can activate the TTT timer based on the measurement report event.

Embodiments of User Equipment (UE) and methods for fast handover failure recovery in a 3GPP LTE network are generally described herein. In some embodiments the UE may initiate handover (HO) failure recovery by transmission of a random-access channel (RACH) 2 message when both a radio-link failure (RLF) timer and a time-to trigger (TTT) timer are concurrently running. The RACH 2 message may be a message transmitted on a random-access channel for radio-resource control (RRC) connection re-establishment. The RLF timer may be activated as part of a radio-link monitoring (RLM) process based on radio-link conditions with a serving cell and the TTT timer may have been activated as part of a HO process based on a measurement reporting event.

Note:

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