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    • 2. 发明授权
    • Routing method and apparatus for switching between routing and
conversion tables based on selection information included in cells to
be routed
    • 基于包括在要路由的单元中的选择信息,在路由和转换表之间切换的路由方法和装置
    • US5473598A
    • 1995-12-05
    • US744513
    • 1991-08-13
    • Masahiro TakatoriYukio NakanoYoshihiro AshiTadayuki Kanno
    • Masahiro TakatoriYukio NakanoYoshihiro AshiTadayuki Kanno
    • H04L12/70H04L12/931H04L12/947H04J3/26
    • H04L49/254H04L49/256H04L49/3009H04L49/3081H04L49/309H04L49/552H04L2012/5627
    • A cell routing method and apparatus in an ATM processing apparatus. The ATM processing apparatus has two or more routing tables associated with address filters of an ATM switch to store routing information for indicating the destination of cell output, and two or more conversion tables associated with VPI conversion circuits for replacing VPI (Virtual Path Identifier) or VCI conversion circuits for replacing VCI (Virtual Channel Identifier) to store information for indicating the VPI or VCI obtained after conversion. In an input interface circuit, selection information indicating which routing table and conversion table out of the above described two or more routing tables and two or more conversion tables should be selected is written into an occupied area within a cell. In a switch circuit, the selection information is read and one routing table is selected out of the above described two or more routing tables on the basis of the selection information thus read, and cell routing is thus performed based on information in the selected routing table. Further, in an output interface circuit, selection information contained in the cell is read and one conversion table is selected out of the above described two or more conversion tables on the basis of the selection information thus read, and VPI conversion or VCI conversion is thus executed based on information in the selected conversion table.
    • 一种ATM处理装置中的小区路由方法和装置。 ATM处理装置具有与ATM交换机的地址过滤器相关联的两个或多个路由表,以存储用于指示小区输出的目的地的路由信息​​,以及与用于替换VPI(虚拟路径标识符)的VPI转换电路相关联的两个或更多个转换表, 用于替换VCI(虚拟信道标识符)的VCI转换电路以存储用于指示转换后获得的VPI或VCI的信息。 在输入接口电路中,指示应当选择上述两个或多个路由表和两个或多个转换表中的哪个路由表和转换表的选择信息被写入小区内的占用区域。 在开关电路中,读取选择信息,并且根据这样读取的选择信息,从上述两个或多个路由表中选出一个路由表,并且基于所选择的路由表中的信息执行小区路由 。 此外,在输出接口电路中,读取包含在单元中的选择信息,并且根据这样读取的选择信息从上述两个或更多个转换表中选出一个转换表,并且因此进行VPI转换或VCI转换 基于所选转换表中的信息执行。
    • 4. 发明授权
    • Frame aligner and method and system for control thereof
    • 框架对准器及其控制方法和系统
    • US5271006A
    • 1993-12-14
    • US663956
    • 1991-03-19
    • Yoshihiro AshiTadayuki KannoMasahiro TakatoriHiromi Ueda
    • Yoshihiro AshiTadayuki KannoMasahiro TakatoriHiromi Ueda
    • H04J3/06H04J3/22
    • H04J3/0629
    • A frame aligner and a method and system for control thereof, in which the frame alignment is executed while assuring TSSI (Time Slot Sequence Integrity). In a system for transmitting a plurality of low-speed signals having a frame structure in a high-speed frame, a plurality of candidates for a write start phase for a frame aligner memory are set, and by accessing a common phase memory storing a write start phase shared by low-speed signals requiring phase matching therebetween of all the low-speed signals stored in the high-speed frame, a write start phase is selected from among the candidates for the write start phase for the frame aligner memory.
    • PCT No.PCT / JP90 / 00925 Sec。 371日期1991年3月19日 102(e)1991年3月19日PCT PCT 1990年7月18日PCT公布。 公开号WO91 / 01601 日期1991年2月7日。一种帧对准器及其控制方法和系统,其中在确保TSSI(时隙序列完整性)的同时执行帧对准。 在用于发送具有高速帧中的帧结构的多个低速信号的系统中,设置用于帧对准器存储器的写入开始阶段的多个候选,并且通过访问存储写入的公共相位存储器 低速信号共享的起始相位需要存储在高速帧中的所有低速信号之间的相位匹配,从用于帧对准器存储器的写入开始相位的候选中选择写入开始相位。