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    • 1. 发明授权
    • Ascending transmission speed controlling method and communication system in ATM-PON system
    • 在ATM-PON系统中升级传输速度控制方法和通信系统
    • US06633541B1
    • 2003-10-14
    • US09476732
    • 1999-12-30
    • Toshiyuki HijikataToshio IrieKosuke NobuyasuYoshinori Matsunaga
    • Toshiyuki HijikataToshio IrieKosuke NobuyasuYoshinori Matsunaga
    • H04L1226
    • H04Q11/0062H04L2012/5605H04L2012/5635H04L2012/5651H04Q11/0067H04Q2011/0086
    • The present invention aims at providing an ascending transmission speed controlling method and a communication system in an ATM-PON (asynchronous transfer mode-passive optical network), in which ascending transmission speeds on the PON are dynamically allocated corresponding to actual transmission states of communication channels of a best effort type, to thereby effectively utilize respective bands. To this end, according to the present invention, in an OLT (optical line termination) constituting the ATM-PON system, active/inactive states of communication channels are identified based on receiving states of ascending data cells transmitted from ONU's of subscriber side, respectively, and a congestion state of the ATM network is recognized by extracting B-RM (backward resource management) cells from descending data cells, respectively, transmitted from the ATM network, so that ascending transmission speeds on the PON are allocated to communication channels corresponding to service categories, based on such as the thus recognized information.
    • 本发明旨在提供ATM-PON(异步传输模式 - 无源光网络)中的上行传输速度控制方法和通信系统,其中PON上的传输速度根据通信信道的实际传输状态动态分配 的努力类型,从而有效地利用各自的频带。 为此,根据本发明,在构成ATM-PON系统的OLT(光线路终端)中,基于从用户侧ONU发送的上行数据信元的接收状态来识别通信信道的主动/非活动状态 ,并且通过从ATM网络分别提取出的下行数据单元提取B-RM(后向资源管理)单元来识别ATM网络的拥塞状态,从而将PON上的传输速度分配给与 服务类别,基于如此认可的信息。
    • 3. 发明授权
    • Host system for base station
    • 基站主机系统
    • US06445683B1
    • 2002-09-03
    • US09082360
    • 1998-05-20
    • Kosuke NobuyasuTatsuru Nakagaki
    • Kosuke NobuyasuTatsuru Nakagaki
    • H04L1228
    • H04L12/5601H04L45/10H04L2012/5607H04L2012/562H04L2012/5656H04W88/10
    • A base-station host system achieves high-speed routing to reduce a burden on a controller which carries out a routing process, and receives a cell containing a plurality of packets (an ATM cell of AAL Type 2) from a base station. A cell containing a plurality of packets is transmitted from the base station to the base-station host system. A packet extracting unit extracts the packets from the received cell. A cell generating unit generates an internally processable cell based on information carried by the payload of a packet. A switch unit switches internally processable cells depending on routes thereof. For reverse communications, internally processable cells are sent from the switch unit to a packet generating unit. The packet generating unit generates packets based on information carried by the payloads of the internally processable cells. A cell transmitting unit collects a plurality of packets designed for the same base station, generates a cell containing those packets, and transmits the generated cell to the base station.
    • 基站主机系统实现高速路由,减轻执行路由处理的控制器的负担,并且从基站接收包含多个分组(AAL类型2的ATM信元)的小区。 包含多个分组的小区从基站发送到基站主机系统。 分组提取单元从接收到的小区中提取分组。 小区生成单元基于由分组的有效载荷承载的信息来生成内部可处理小区。 开关单元根据其路线来切换内部可处理单元。 对于反向通信,内部可处理小区从交换单元发送到分组生成单元。 分组生成单元基于内部可处理单元的有效载荷所携带的信息生成分组。 小区发送单元收集为同一基站设计的多个分组,生成包含这些分组的小区,并将生成的小区发送到基站。