Invention Grant
US09258747B2 User equipment and methods for fast handover failure recovery in 3GPP LTE network 有权
用于3GPP LTE网络中快速切换故障恢复的用户设备和方法

User equipment and methods for fast handover failure recovery in 3GPP LTE network
Abstract:
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.
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