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    • 1. 发明申请
    • TIME-TO-TRIGGER (TTT) TIMER CONFIGURATION BASED ON MOBILITY
    • 基于移动性的TIME-TRIGGER(TTT)定时器配置
    • WO2018063425A1
    • 2018-04-05
    • PCT/US2016/069587
    • 2016-12-30
    • YIU, CandyZHANG, YujianPALAT, Sudeep K.HEO, Youn Hyoung
    • YIU, CandyZHANG, YujianPALAT, Sudeep K.HEO, Youn Hyoung
    • H04W36/36H04W36/30H04W36/32H04W24/10
    • H04W36/00837H04W36/30H04W36/32H04W36/36
    • Embodiments of user equipment (UE) and method for handover enhancement using the mobility state of the UE in a wireless network are described herein. In some embodiments, a UE adaptively selects handover initiation parameters based, at least in part, on the mobility state of the UE. In some of these embodiments, the handover initiation parameters may include a time-to-trigger (TTT) value and a scaling factor associated with the TTT value. Additionally, the handover initiation parameters may be further a channel condition (e.g., a reference signal received power (RSRP) of a serving cell). In some instances, a new measurement event can occur when the RSRP of the serving cell is above a threshold. For example, the UE may be refrained from transmitting a measurement report during the new measurement event. Furthermore, a measurement report timer can be used to refrain the UE from transmitting a measurement report before the timer expires.
    • 这里描述了用户设备(UE)和用于在无线网络中使用UE的移动性状态进行切换增强的方法的实施例。 在一些实施例中,UE至少部分地基于UE的移动性状态自适应地选择切换发起参数。 在这些实施例中的一些中,切换发起参数可以包括与TTT值相关联的时间触发(TTT)值和缩放因子。 另外,切换发起参数还可以是信道条件(例如,服务小区的参考信号接收功率(RSRP))。 在一些情况下,当服务小区的RSRP高于阈值时可能发生新的测量事件。 例如,可以在新的测量事件期间避免UE发送测量报告。 此外,可以使用测量报告定时器来限制UE在定时器到期之前发送测量报告。
    • 4. 发明申请
    • FAST RADIO LINK RECOVERY FOR LTE NETWORKS
    • 快速无线链路恢复LTE网络
    • WO2014165346A1
    • 2014-10-09
    • PCT/US2014/031633
    • 2014-03-24
    • INTEL IP CORPORATIONYIU, CandyZHANG, YujianHEO, Youn Hyoung
    • YIU, CandyZHANG, YujianHEO, Youn Hyoung
    • H04W24/02H04W76/00
    • H04W36/0055H04B17/318H04W24/04H04W76/19
    • Embodiments of the present disclosure are directed toward devices and methods for fast radio link recovery in cellular networks. In one embodiment, the signal strength of the serving cell is compared to the signal strength of a target cell, and a radio link failure (RLF) timer is terminated or shortened based on the comparison. Alternatively, a second shorter timer may be used as opposed to modifying the current timer. In some embodiments, the modification of RLF timers may be triggered by the start of a measurement trigger timer. This may allow a user equipment to more quickly establish a connection with a target cell in situations where radio link failure or handover failure are likely to occur. In some instances, the parameters for terminating or shortening the radio link failure timer, or starting an additional timer, may be provided to the user equipment by a network.
    • 本公开的实施例涉及用于蜂窝网络中的快速无线电链路恢复的设备和方法。 在一个实施例中,将服务小区的信号强度与目标小区的信号强度进行比较,并且基于比较终止或缩短无线电链路故障(RLF)定时器。 或者,可以使用第二较短的定时器,而不是修改当前定时器。 在一些实施例中,RLF定时器的修改可以由测量触发定时器的启动触发。 这可能允许用户设备在可能发生无线电链路故障或切换故障的情况下更快地建立与目标小区的连接。 在一些情况下,用于终止或缩短无线电链路故障定时器或启动附加定时器的参数可以由网络提供给用户设备。