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    • 9. 发明申请
    • BASE STATION, PATH CONTROL APPARATUS AND HANDOVER CONTROL METHOD
    • 基站,路径控制装置和切换控制方法
    • US20090245201A1
    • 2009-10-01
    • US12294054
    • 2007-03-26
    • Masayuki MotegiYasuhiro KatoWuri Andarmawanti HapsariTakehiro Nakamura
    • Masayuki MotegiYasuhiro KatoWuri Andarmawanti HapsariTakehiro Nakamura
    • H04W36/00
    • H04W36/02H04L49/90H04L49/9094
    • A path control apparatus includes a sequence number assignment unit assigning successive sequence numbers to respective user data packets transmitted from an upper layer; and a transmission unit transmitting the user data packets with the assigned sequence numbers to a handover source base station or a handover target base station. A base station includes a sequence correction unit sorting at least one of a user data packet transmitted from a path control apparatus and a user data packet transferred from a handover source base station in a correct order in accordance with sequence numbers successively assigned to respective user data packets; and a transfer unit transferring one or more user data packets of the user data packets having the assigned sequence numbers, wherein the handover source base station has not transmitted the one or more user data packets or waits for transmission acknowledgement for the one or more user data packets.
    • 路径控制装置包括:序列号分配单元,对从上层发送的各个用户数据包分配连续的序列号; 以及发送单元,将具有所分配的序列号的用户数据分组发送到切换源基站或切换目的地基站。 基站包括序列校正单元,根据连续分配给各个用户数据的序列号,对从路径控制装置发送的用户数据分组和从切换源基站以正确的顺序传送的用户数据分组中的至少一个进行排序 数据包 以及传送单元,其传送具有所分配的序列号的用户数据分组的一个或多个用户数据分组,其中所述切换源基站尚未发送所述一个或多个用户数据分组或者等待所述一个或多个用户数据的传输确认 数据包