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    Delay adjustment unit and method, optical network unit, and communication system
    2.
    发明授权
    Delay adjustment unit and method, optical network unit, and communication system 失效
    延迟调整单元和方法，光网络单元和通信系统

    公开(公告)号：US06647210B1

    公开(公告)日：2003-11-11

    申请号：US09547319

    申请日：2000-04-11

    申请人： Yoshimi Toyoda ,  Takashi Monzawa ,  Tamotsu Matsuo ,  Kenji Miura ,  Jun Asato ,  Toshinori Koyanagi ,  Setsuo Abiru ,  Toshiyuki Sakai

    发明人： Yoshimi Toyoda ,  Takashi Monzawa ,  Tamotsu Matsuo ,  Kenji Miura ,  Jun Asato ,  Toshinori Koyanagi ,  Setsuo Abiru ,  Toshiyuki Sakai

    IPC分类号： H04J1408

    CPC分类号： H04J3/0682 ,  H04J3/1694

    摘要： A delay adjustment unit and optical network unit which efficiently adjust the delay time of upstream data to improve the quality of data transmission services. Upstream transmission data is segmented into small data blocks. A downstream receiver receives control information on which upstream data blocks are granted or not granted to the unit. It also received an equalization delay update request that commands the unit to update its current equalization delay parameter. When this equalization delay update request is received, a delay adjustment controller controls the delay of each data block, depending on whether the transmission of each subsequent data block is granted. An upstream transmitter then transmits the granted data blocks with the adjusted delay times.

    摘要翻译： 延迟调整单元和光网络单元，其有效地调整上行数据的延迟时间，以提高数据传输服务的质量。 上行传输数据被分割成小数据块。 下游接收器接收关于哪个上游数据块被授予或未授予该单元的控制信息。 它还接收到均衡延迟更新请求，命令单元更新其当前的均衡延迟参数。 当接收到该均衡延迟更新请求时，延迟调整控制器根据每个后续数据块的发送是否被授权来控制每个数据块的延迟。 然后，上游发射机然后以经调整的延迟时间发送所许可的数据块。

    Optical subscriber line terminal unit and a state transition control method
    5.
    发明授权
    Optical subscriber line terminal unit and a state transition control method 有权
    光用户线终端单元和状态转换控制方法

    公开(公告)号：US06650841B1

    公开(公告)日：2003-11-18

    申请号：US09439304

    申请日：1999-11-12

    申请人： Tamotsu Matsuo ,  Kenji Miura ,  Takashi Monzawa ,  Yoshimi Toyoda ,  Jun Asato ,  Toshinori Koyanagi ,  Setsuo Abiru

    发明人： Tamotsu Matsuo ,  Kenji Miura ,  Takashi Monzawa ,  Yoshimi Toyoda ,  Jun Asato ,  Toshinori Koyanagi ,  Setsuo Abiru

    IPC分类号： H04B1000

    CPC分类号： H04M1/738 ,  H04B10/00 ,  H04B2210/077

    摘要： An optical subscriber line terminal unit and a state transition control method are provided which are capable of stabilizing operation. State information storing means, which is a nonvolatile memory, stores state information about the unit. Startup preparatory state shifting means causes a shift to a startup preparatory state at startup. Flag setting means sets an emergency stop state flag during the period of the startup preparatory state if it is judged based on the state information that a state before the startup is an emergency stop state. State transition control means causes a shift from the startup preparatory state to the emergency stop state if the emergency stop state flag is set, and causes a shift from the startup preparatory state to an initial state if the emergency stop state flag is not set.

    摘要翻译： 提供能够稳定操作的光用户线路终端单元和状态转移控制方法。 作为非易失性存储器的状态信息存储装置存储关于该单元的状态信息。 启动准备状态移动装置在启动时转移到启动准备状态。 如果基于状态信息来判断启动前的状态是紧急停止状态，则在启动准备状态期间，标志设定装置设定紧急停止状态标志。 如果设置了紧急停止状态标志，则状态转移控制装置使得从启动准备状态转移到紧急停止状态，并且如果没有设置紧急停止状态标志，则从启动准备状态转移到初始状态。

    Communication system
    6.
    发明授权
    Communication system 有权
    通讯系统

    公开(公告)号：US07177326B2

    公开(公告)日：2007-02-13

    申请号：US10062488

    申请日：2002-02-01

    申请人： Masamichi Kasa ,  Setsuo Abiru ,  Toshinori Koyanagi ,  Toshiyuki Sakai ,  Kazuhiro Uchida

    发明人： Masamichi Kasa ,  Setsuo Abiru ,  Toshinori Koyanagi ,  Toshiyuki Sakai ,  Kazuhiro Uchida

    IPC分类号： H04J3/24

    CPC分类号： H04L12/2801 ,  H04L12/2856 ,  H04L12/2883 ,  H04L12/2885 ,  H04L12/2898 ,  H04L12/40169 ,  H04L12/403 ,  H04L12/5601 ,  H04L2012/561 ,  H04L2012/5625 ,  H04L2012/5631

    摘要： In a communication system comprising a network unit and a plurality of subscriber units connected to the network unit, the network unit generates a message in which validity of transmission grant information is set for the subscriber units, and suspends a transmission of polling information to allocate a transmission grant to the subscriber units by using the transmission grant information for a fixed time in consideration of a processing time of the subscriber units from a time when the message has been completely transmitted. Also, when a disconnection state of an inputted cell from the subscriber units is detected, the network unit may suspend an input disconnection detecting operation for a fixed time from a time when the message and the polling information have been completely transmitted. Furthermore, a switchover of an input disconnection detection/transmission grant information may be suspended by mutually exchanging messages.

    摘要翻译： 在包括连接到网络单元的网络单元和多个订户单元的通信系统中，网络单元生成其中为用户单元设置传输许可信息的有效性的消息，并且暂停传送轮询信息以分配 考虑到消息已经完全发送的时间的用户单元的处理时间，通过使用固定时间的传输许可信息向用户单元发送许可。 此外，当检测到来自用户单元的输入的小区的断开状态时，网络单元可以在从消息和轮询信息已经被完全发送的时间起暂停一段固定时间的输入断开检测操作。 此外，可以通过相互交换消息来暂停输入断开检测/发送许可信息的切换。

    Optical line terminal
    7.
    发明授权
    Optical line terminal 有权
    光线路终端

    公开(公告)号：US06728248B1

    公开(公告)日：2004-04-27

    申请号：US09515991

    申请日：2000-02-29

    申请人： Kazuhiro Uchida ,  Kazuya Ryu ,  Kanna Okamura ,  Masashi Shibata ,  Shinichi Fujiyoshi ,  Katsuhiko Hirashima ,  Toshinori Koyanagi ,  Toshiyuki Sakai ,  Setsuo Abiru

    发明人： Kazuhiro Uchida ,  Kazuya Ryu ,  Kanna Okamura ,  Masashi Shibata ,  Shinichi Fujiyoshi ,  Katsuhiko Hirashima ,  Toshinori Koyanagi ,  Toshiyuki Sakai ,  Setsuo Abiru

    IPC分类号： H04L1228

    CPC分类号： H04Q11/0478 ,  H04L2012/5605 ,  H04L2012/5615 ,  H04L2012/5632 ,  H04Q11/0067

    摘要： An optical line terminal which sends and receives messages or data to/from optical network units (ONUs) connected thereto. A cyclic message monitor produces a trigger signal, for use in a PLOAM grant generator, at certain intervals in harmonization with upstream messages that a specific optical network unit regularly transmits. A downstream message monitor watches outgoing downstream messages to detect a certain message requesting an ONU to return a response, and it triggers the PLOAM grant generator if such a message is detected. An upstream message monitor detects an upstream message whose identification code indicates that the sending ONU has no information to return. If such an upstream message is found, it limits the issuance of PLOAM grants to that optical network unit. The PLOAM grant generator produces PLOAM grants which permit ONUs to transmit their messages, and sends them out through a PLOAM cell transmitter.

    摘要翻译： 向连接到其上的光网络单元（ONU）发送和接收消息或数据的光线路终端。 循环消息监视器以特定光网络单元定期发送的上行消息的一致间隔产生用于PLOAM授权发生器的触发信号。 下行消息监视器监视传出的下行消息以检测请求ONU返回响应的某个消息，并且如果检测到这样的消息，则它触发PLOAM授权生成器。 上行消息监控器检测识别码表示发送ONU没有返回信息的上行消息。 如果发现这样的上行消息，则限制向该光网络单元发出PLOAM授权。 PLOAM授权生成器产生PLOAM授权，允许ONU发送其消息，并通过PLOAM信元发送器发送它们。

    Homo-code continuity proof testing device
    8.
    发明授权
    Homo-code continuity proof testing device 失效
    同码连续性验证测试装置

    公开(公告)号：US06611928B1

    公开(公告)日：2003-08-26

    申请号：US09703690

    申请日：2000-11-01

    申请人： Shinichi Fujiyoshi ,  Kazuhiro Uchida ,  Kazuya Ryu ,  Katsuhiko Hirashima ,  Toshinori Koyanagi ,  Setsuo Abiru

    发明人： Shinichi Fujiyoshi ,  Kazuhiro Uchida ,  Kazuya Ryu ,  Katsuhiko Hirashima ,  Toshinori Koyanagi ,  Setsuo Abiru

    IPC分类号： G06F1100

    CPC分类号： H04L1/242

    摘要： In a homo-code continuity proof testing device for testing with test data including a predetermined homo-code continuity proof test pattern, a testing device on a transmitting side synchronizes the test data in the form of a frame, including a predetermined test pattern, a data synchronous pattern, an error detecting pattern, and preferably a frame synchronous pattern for testing a homo-code continuity proof strength, with a predetermined clock, to be transmitted. A tested device on a receiving side extracts a clock included in the test data, detects the data synchronous pattern, the error detecting pattern, and the frame synchronous pattern in synchronization with the extracted clock, and determines a homo-code continuity proof test by the detection/undetection of each pattern.

    摘要翻译： 在用于使用包括预定的同码连续性验证测试图案的测试数据进行测试的同码连续性测试设备中，发送侧的测试设备以帧的形式同步测试数据，包括预定的测试模式， 数据同步模式，错误检测模式，并且优选地是用于测试具有预定时钟的同码连续性证明强度的帧同步模式。 接收侧的测试装置提取测试数据中包括的时钟，与提取的时钟同步地检测数据同步模式，错误检测模式和帧同步模式，并且确定通过 每种模式的检测/未检测。