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    • 5. 发明授权
    • Cell reselection method and apparatus for preventing ping-pong in a mobile communications system
    • 用于在移动通信系统中防止乒乓的小区重选方法和装置
    • US07480519B2
    • 2009-01-20
    • US11372467
    • 2006-03-10
    • Kyeong-In JeongGert Jan Van LieshoutKook-Heui Lee
    • Kyeong-In JeongGert Jan Van LieshoutKook-Heui Lee
    • H04Q7/20
    • H04W36/24H04W36/32H04W84/042
    • A method and apparatus are provided for enabling a UE to perform accurate and efficient cell reselection in a cellular mobile communications system. If reselection to the same cell is repeated, the UE releases itself from a high-speed UE state or excludes the number of reselections to the same cell from the number of cell changes counted for a duration set for deciding as to the high-speed UE state, according to a ping-pong duration threshold and a ping-pong occurrence number threshold. The UE uses a non-scaled down cell reselection time limit in a non-high-speed UE state, and a scaled-down cell reselection time limit in the high-speed UE state. Thus, the UE reselects to a non-serving cell having the highest ranking continuously for the cell reselection time limit.
    • 提供了一种使得UE能够在蜂窝移动通信系统中执行精确和有效的小区重选的方法和装置。 如果重新选择到相同的小区,则UE从高速UE状态释放自身,或者从针对高速UE的决定所设定的持续时间段中计数的小区改变的数量排除对同一小区的重选次数 状态,根据乒乓持续时间阈值和乒乓发生次数阈值。 UE在非高速UE状态中使用非缩小的小区重选时间限制,并且在高速UE状态中使用按比例缩小的小区重选时间限制。 因此,UE针对小区重选时间限制重新选择具有连续最高排名的非服务小区。