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    • 2. 发明申请
    • METHOD AND APPARATUS TO MINIMIZE PACKET LOSS DURING ACTIVE DATA HARD HANDOFF
    • 在活动数据硬切换期间最小化分组丢失的方法和装置
    • WO2007084838A3
    • 2008-04-03
    • PCT/US2007060450
    • 2007-01-12
    • MOTOROLA INCSREY LENAANNAN GORDON JCONNESS KENT MHANSCHE BRIAN AKHAN JAVED A
    • SREY LENAANNAN GORDON JCONNESS KENT MHANSCHE BRIAN AKHAN JAVED A
    • H04W36/02
    • H04W36/02
    • A method of hard handoffs begins by establishing a wireless link between a source radio access network (102a) and a mobile station (106). When the mobile station moves into another adjacent radio access network (102b), the present invention detects that handoff of the link from the source to the target is necessary. Additional data is not sent to the mobile station from the source radio access network. The data that has not been received by the mobile station is stored or buffered. A disconnect message is received by the source and a connect message is received by the target so that an active handoff is achieved between the source and the target. When the active handoff procedure is complete the data that was buffered by the source BTS as not being received by the mobile station is then sent to the active target cell such that data and packet loss is reduced.
    • 硬切换的方法通过在源无线电接入网络(102a)和移动台(106)之间建立无线链路来开始。 当移动台移动到另一个相邻的无线电接入网络(102b)时,本发明检测到链路从源到目的地的切换是必要的。 附加数据不会从源无线电接入网络发送到移动台。 移动台尚未接收的数据被存储或缓冲。 由源接收到断开消息,并且目标接收到连接消息,使得在源和目标之间实现主动切换。 当主动切换过程完成时,由源BTS缓存的未被移动台接收的数据随后被发送到活动目标小区,从而降低数据和分组丢失。