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    • 2. 发明申请
    • METHODS AND SYSTEMS FOR IN-DEVICE INTERFERENCE MITIGATION
    • 用于设备干扰减轻的方法和系统
    • WO2012021879A2
    • 2012-02-16
    • PCT/US2011047697
    • 2011-08-13
    • INTERDIGITAL PATENT HOLDINGSCOMSA VIRGILPANI DIANACAVE CHRISTOPHERTERRY STEPHEN EGOMES SYLVIE
    • COMSA VIRGILPANI DIANACAVE CHRISTOPHERTERRY STEPHEN EGOMES SYLVIE
    • H04W72/12
    • H04W72/1215H04W36/20H04W72/1284H04W88/06
    • Methods and apparatus for mitigating in-device interference are described. The methods may include an in-device interference event (e.g. an interference situation), and the processing of events may depend on the priority of the technologies. A handover to another frequency or radio access technology (RAT) may occur in case a co-existing technology may be activated. The network may signal to the device a list of frequencies or RATs that it may be allowed to measure and handoff to. A network may provide a scaling value that the device may use to speed up reaction to the interference. The device may apply a scaling factor to an "out of synch' counter and/or the radio link failure (RLF) timer used for the RLF procedure. The device may apply different scaling factors for the measurements and time to trigger events. The device may trigger a report to the network requesting gaps for an alternate RAT.
    • 描述了减轻设备内干扰的方法和装置。 这些方法可以包括设备内干扰事件(例如干扰情况),并且事件的处理可以取决于技术的优先级。 在共同存在的技术可能被激活的情况下,可能发生切换到另一频率或无线电接入技术(RAT)。 网络可以向设备发送可能被允许测量和切换到的频率或RAT的列表。 网络可以提供设备可用于加速对干扰的反应的缩放值。 该设备可以将缩放因子应用于用于RLF过程的“同步”计数器和/或无线电链路故障(RLF)定时器,该设备可以对测量和时间应用不同的缩放因子以触发事件。 可以触发对网络的报告,请求替代RAT的间隙。
    • 8. 发明申请
    • ENABLING SECONDARY USER COEXISTENCE ON DYNAMIC SHARED SPECTRUM WITH PRIMARY USER
    • 使用初级用户启动动态共享光谱的第二用户共享
    • WO2014124131A3
    • 2014-10-16
    • PCT/US2014015095
    • 2014-02-06
    • INTERDIGITAL PATENT HOLDINGS
    • LAUGHLIN SCOTTGAUVREAU JEAN-LOUISFREDA MARTINOCOMSA VIRGILDAI YUYINGCUFFARO ANGELOBELURI MIHAELA C
    • H04W16/14H04W72/12
    • H04W72/1215
    • Systems, methods and instrumentalities are provided to implement a mechanism of a secondary user (SU) system coexisting with a primary user (PU) system. The SU system may gather information associated with the operation cycle(s) of the PU system of a shared channel. An operation cycle of the PU system may include a quiet phase and a pulse phase. For example the SU system may gather information associated with the operation cycle of the PU system. Such information may include pulse phase duration, pulse duty cycle, and/or allowed hopping sequences, etc. Based on information associated with the operation cycle of the PU system, the SU system may transmit or schedule transmission on the shared channel during the quiet phase of the PU operation cycle. The SU system may perform interference mitigation based on the timing of the pulse phase.
    • 提供了系统,方法和工具来实现与主用户(PU)系统共存的次用户(SU)系统的机制。 SU系统可以收集与共享信道的PU系统的操作周期相关联的信息。 PU系统的操作周期可以包括静止相位和脉冲相位。 例如,SU系统可以收集与PU系统的操作周期相关联的信息。 这样的信息可以包括脉冲相位持续时间,脉冲占空比和/或允许的跳频序列等。基于与PU系统的操作周期相关联的信息,SU系统可以在安静阶段期间在共享信道上发送或调度传输 的PU操作周期。 SU系统可以基于脉冲相位的定时执行干扰减轻。