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    • 13. 发明申请
    • FORWARD LINK BASED RESCUE CHANNEL METHOD AND APPARATUS FOR TELECOMMUNICATION SYSTEMS
    • 用于电信系统的前向链路抑制信道方法和装置
    • WO0233982A3
    • 2003-05-15
    • PCT/US0132464
    • 2001-10-16
    • DENSO CORPHUNZINGER JASON F
    • HUNZINGER JASON F
    • H04W16/06H04Q7/20
    • H04W16/06
    • A forward rescue procedure FRP for preventing loss of signal and dropped connections between a mobile station 10 and the infrastructure 14 in a wireless telecommunications network 12 is disclosed. The FRP allows wireless systems to recover from forward link failures at the mobile station that would otherwise result in dropped connections. Examples of failure scenarios that can be overcome using the FRP include forward link Layer 2 acknowledgement failures and loss of forward link signal due to a fade that causes loss of signal for a period of time exceeding a threshold value. In response to a potential connection drop situation, a mobile station will autonomously add base station pilot channels to the active set of its rake receiver in order to rescue the connection in danger of dropping. Concurrently, the wireless network infrastructure will initiate transmission on alternative forward link channels that are likely to be monitored by the mobile station during an FRP. If the same channels are monitored by the MS and transmitted on by the infrastructure, the connection in danger of dropping can be rescued.
    • 公开了一种用于在无线电信网络12中防止信号丢失和移动站10与基础设施14之间的连接的前向救援程序FRP。 FRP允许无线系统从移动台的前向链路故障中恢复,否则将导致连接丢失。 可以使用FRP克服的故障场景的示例包括前向链路层2确认失败和由于衰落引起的前向链路信号的丢失,这导致信号丢失超过阈值的时间段。 响应于潜在的连接丢弃情况,移动台将自主地将基站导频信道添加到其耙式接收机的主动集合,以便拯救具有丢弃危险的连接。 同时,无线网络基础设施将在FRP期间可能由移动台监视的备用前向链路信道上发起传输。 如果相同的信道由MS监控并通过基础设施传输,则可以救出有下降危险的连接。