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    • 46. 发明申请
    • Recovering the reverse link in a cellular mobile communication system
    • 在蜂窝移动通信系统中恢复反向链路
    • US20050124371A1
    • 2005-06-09
    • US10881281
    • 2004-06-30
    • Mark HarrisDimitrios Prodanos
    • Mark HarrisDimitrios Prodanos
    • H04W28/04H04W52/14H04W52/24H04Q7/20
    • H04W52/245H04W52/146
    • Operation commences with the cellular network infrastructure setting up a forward link and a reverse link with a cellular mobile station. The cellular network infrastructure transmits signals to the cellular mobile station on the forward link and receives signals from the cellular mobile station on the reverse link. The cellular network infrastructure monitors the quality of the reverse link. When the reverse link quality level meets a reverse link lost criteria, the cellular network infrastructure enters reverse link recovery mode of operation in which the transmit power of the forward link is increased in an attempt to recover the reverse link. During the reverse link recovery mode of operation, the cellular network infrastructure may determine that the reverse link quality meets a reverse link recovered criteria. When the reverse link quality meets the reverse link recovery criteria, the cellular network infrastructure exits the reverse link recovery mode of operation for the cellular mobile station and resumes normal power control operations. When the cellular network infrastructure determines that the reverse link recovery mode of operations fail, the cellular network infrastructure ceases forward link transmissions to the cellular mobile station and the call is dropped.
    • 操作开始于蜂窝网络基础设施建立与蜂窝移动站的前向链路和反向链路。 蜂窝网络基础设施向前向链路上的蜂窝移动站发送信号,并在反向链路上从蜂窝移动站接收信号。 蜂窝网络基础设施监控反向链路的质量。 当反向链路质量级别满足反向链路丢失标准时,蜂窝网络基础设施进入反向链路恢复操作模式,其中前向链路的发射功率增加以尝试恢复反向链路。 在反向链路恢复操作模式期间,蜂窝网络基础设施可以确定反向链路质量满足反向链路恢复标准。 当反向链路质量满足反向链路恢复标准时,蜂窝网络基础结构退出针对蜂窝移动站的反向链路恢复操作模式,并恢复正常的功率控制操作。 当蜂窝网络基础设施确定反向链路恢复操作模式失败时,蜂窝网络基础架构停止向蜂窝移动台的前向链路传输,并且呼叫被丢弃。