公开(公告)号：US20080002625A1

公开(公告)日：2008-01-03

申请号：US11644575

申请日：2006-12-22

申请人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Jong-Ho Yoon ,  Yun-Je Oh ,  Hoon Kim ,  Han-Kyun Jung

发明人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Jong-Ho Yoon ,  Yun-Je Oh ,  Hoon Kim ,  Han-Kyun Jung

IPC分类号： H04Q7/00

CPC分类号： H04W8/26 ,  H04W4/00 ,  H04W8/005 ,  H04W40/246 ,  H04W40/36 ,  H04W80/04 ,  H04W88/08

摘要： Disclosed is a bridged portable internet system, which includes: a plurality of edge bridges entirely connected as a mesh structure to form a core network, and configured as a layer 2 switch; a plurality of Radio Access Stations (RASs) connected to one of the plurality of edge bridges to provide portable internet services to Mobile Nodes (MNs) within the range of services; and a Neighbor Discovery Server (NDS) for supporting neighbor discovery of components in the network and storing and managing configuration information of the components, wherein each of the plurality of edge bridges maintains an optimal path through a predetermined routing protocol, identifies the destination of a Media Access Control (MAC) frame transmitted by an MN connected to an edge bridge itself through a corresponding RAS by referring to the configuration information from the NDS so as to transmit a corresponding MAC frame to the MAC address of an edge bridge to which a corresponding CN is connected by performing MAC in MAC encapsulation if receiving a MAC in MAC encapsulated frame with its own MAC address as a destination, and performs MAC in MAC encapsulation with the frame to delete an outer MAC address and to transmit an original MAC frame to a corresponding MN.

摘要翻译： 公开了一种桥接便携式互联网系统，其包括：多个边缘网桥，其完全连接为网状结构以形成核心网络，并且被配置为层2交换机; 连接到所述多个边缘网桥之一的多个无线电接入站（RAS），以向所述服务范围内的移动节点（MN）提供便携式因特网服务; 和邻居发现服务器（NDS），用于支持网络中组件的邻居发现，并存储和管理组件的配置信息，其中多个边缘网桥中的每一个维护通过预定路由协议的最佳路径，识别一个 通过参考来自NDS的配置信息，通过相应的RAS连接到边缘网桥本身的MN发送的媒体访问控制（MAC）帧，以便将相应的MAC帧发送到对应的边缘网桥的MAC地址， 如果以MAC自身的MAC地址为目的地的MAC封装帧中接收到MAC，则MAC通过MAC封装进行MAC连接，并且利用该MAC进行MAC封装，以删除外部MAC地址并将原始MAC帧发送到 相应的MN。

公开(公告)号：US20060274754A1

公开(公告)日：2006-12-07

申请号：US11444786

申请日：2006-06-01

申请人： Jae-Hun Cho ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jong-Ho Yoon ,  Han-Kyun Jung

发明人： Jae-Hun Cho ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jong-Ho Yoon ,  Han-Kyun Jung

IPC分类号： H04L12/56 ,  H04J3/06

CPC分类号： H04L12/52 ,  H04L49/351

摘要： Disclosed is a Residential Ethernet node apparatus for maintaining a starting point of a superframe, the Residential Ethernet node apparatus comprising a synchronous queue for receiving and temporarily storing synchronous data, in order to transmit the synchronous data by inserting the synchronous data into a transmission cycle, a parser for receiving asynchronous frames from at least one exterior source, parsing the asynchronous frames according to characteristics of the asynchronous frames, a plurality of the asynchronous queues for separately storing the asynchronous frames received from the parser according to the characteristics of the asynchronous frames, a scheduler for receiving the asynchronous frames from the asynchronous queues, and transmitting the received asynchronous frame when it is possible to transmit the received asynchronous frame, and a multiplexer, which receives a synchronous frame from the synchronous queue and an asynchronous frame from the scheduler so as to transmit the synchronous frame and asynchronous frame in a form of a transmission cycle while maintaining a starting point of a superframe.

摘要翻译： 公开了一种用于维护超帧起始点的住宅以太网节点设备，该住宅以太网节点设备包括用于接收和临时存储同步数据的同步队列，以便通过将同步数据插入传输周期来发送同步数据， 用于从至少一个外部源接收异步帧的解析器，根据所述异步帧的特征来解析异步帧;多个异步队列，用于根据异步帧的特性分别存储从解析器接收到的异步帧; 调度器，用于从异步队列接收异步帧，并且当可以发送接收到的异步帧时发送接收到的异步帧;多路复用器，其从同步队列接收同步帧，并从调度器接收异步帧 至于t 以传输周期的形式发送同步帧和异步帧，同时保持超帧的起始点。

公开(公告)号：US07701979B2

公开(公告)日：2010-04-20

申请号：US11444786

申请日：2006-06-01

申请人： Jae-Hun Cho ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jong-Ho Yoon ,  Han-Kyun Jung

发明人： Jae-Hun Cho ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jong-Ho Yoon ,  Han-Kyun Jung

IPC分类号： H04J3/06

CPC分类号： H04L12/52 ,  H04L49/351

摘要： Disclosed is a Residential Ethernet node apparatus for maintaining a starting point of a superframe, the Residential Ethernet node apparatus comprising a synchronous queue for receiving and temporarily storing synchronous data, in order to transmit the synchronous data by inserting the synchronous data into a transmission cycle, a parser for receiving asynchronous frames from at least one exterior source, parsing the asynchronous frames according to characteristics of the asynchronous frames, a plurality of the asynchronous queues for separately storing the asynchronous frames received from the parser according to the characteristics of the asynchronous frames, a scheduler for receiving the asynchronous frames from the asynchronous queues, and transmitting the received asynchronous frame when it is possible to transmit the received asynchronous frame, and a multiplexer, which receives a synchronous frame from the synchronous queue and an asynchronous frame from the scheduler so as to transmit the synchronous frame and asynchronous frame in a form of a transmission cycle while maintaining a starting point of a superframe.

摘要翻译： 公开了一种用于维护超帧起始点的住宅以太网节点设备，该住宅以太网节点设备包括用于接收和临时存储同步数据的同步队列，以便通过将同步数据插入传输周期来发送同步数据， 用于从至少一个外部源接收异步帧的解析器，根据所述异步帧的特征来解析异步帧;多个异步队列，用于根据异步帧的特性分别存储从解析器接收到的异步帧; 调度器，用于从异步队列接收异步帧，并且当可以发送接收到的异步帧时发送接收到的异步帧;多路复用器，其从同步队列接收同步帧，并从调度器接收异步帧 至于t 以传输周期的形式发送同步帧和异步帧，同时保持超帧的起始点。

公开(公告)号：US20080037567A1

公开(公告)日：2008-02-14

申请号：US11891122

申请日：2007-08-09

申请人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Yun-Je Oh

发明人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Yun-Je Oh

IPC分类号： H04L12/28

CPC分类号： H04L12/4625 ,  H04L47/10 ,  H04L47/13 ,  H04L47/2408 ,  H04L47/2441 ,  H04L47/28 ,  H04L47/31 ,  H04L47/50 ,  H04L47/562

摘要： A method and apparatus for ensuring QoS in a synchronous Ethernet bridge are disclosed, in which a classifier classifies an ingress packet according to a PHB mapped to a DSCP value of the packet and provides the classified packet to one of a predetermined synchronous packet queue and a predetermined asynchronous packet queue, a buffer queue with a plurality of queues mapped to priority levels buffers the classified packet, a marker marks the buffered packet as a synchronous packet or, if the buffered packet is an asynchronous packet, marks the packet in a predetermined format corresponding to a priority level of the packet, and a synchronous Ethernet scheduler schedules the marked packet.

摘要翻译： 公开了一种用于确保同步以太网中的QoS的方法和装置，其中分类器根据映射到分组的DSCP值的PHB对入口分组进行分类，并将分类分组提供给预定的同步分组队列和 预定的异步分组队列，具有映射到优先级的多个队列的缓冲器队列缓冲分类分组，标记将缓冲分组标记为同步分组，或者如果缓冲分组是异步分组，则以预定格式标记分组 对应于分组的优先级，并且同步以太网调度器调度所标记的分组。

公开(公告)号：US07715418B2

公开(公告)日：2010-05-11

申请号：US11891122

申请日：2007-08-09

申请人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Yun-Je Oh

发明人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Yun-Je Oh

IPC分类号： H04L12/56

CPC分类号： H04L12/4625 ,  H04L47/10 ,  H04L47/13 ,  H04L47/2408 ,  H04L47/2441 ,  H04L47/28 ,  H04L47/31 ,  H04L47/50 ,  H04L47/562

摘要： A method and apparatus for ensuring QoS in a synchronous Ethernet bridge are disclosed, in which a classifier classifies an ingress packet according to a PHB mapped to a DSCP value of the packet and provides the classified packet to one of a predetermined synchronous packet queue and a predetermined asynchronous packet queue, a buffer queue with a plurality of queues mapped to priority levels buffers the classified packet, a marker marks the buffered packet as a synchronous packet or, if the buffered packet is an asynchronous packet, marks the packet in a predetermined format corresponding to a priority level of the packet, and a synchronous Ethernet scheduler schedules the marked packet.

摘要翻译： 公开了一种用于确保同步以太网中的QoS的方法和装置，其中分类器根据映射到分组的DSCP值的PHB对入口分组进行分类，并将分类分组提供给预定的同步分组队列和 预定的异步分组队列，具有映射到优先级的多个队列的缓冲器队列缓冲分类分组，标记将缓冲分组标记为同步分组，或者如果缓冲分组是异步分组，则以预定格式标记分组 对应于分组的优先级，并且同步以太网调度器调度所标记的分组。

公开(公告)号：US20080056167A1

公开(公告)日：2008-03-06

申请号：US11737797

申请日：2007-04-20

申请人： Sang-Ho KIM ,  Yun-Je Oh ,  Seong-Taek Hwang ,  Jae-Hun Cho ,  Jae-Hoon Lee

发明人： Sang-Ho KIM ,  Yun-Je Oh ,  Seong-Taek Hwang ,  Jae-Hun Cho ,  Jae-Hoon Lee

IPC分类号： H04L5/14 ,  H04L5/16

CPC分类号： H04B10/25759 ,  H04W88/08 ,  H04W88/085

摘要： A radio-over-fiber (RoF) system and method for controlling a transmission time is provided. In a Time Division Duplex (TDD) wireless communication system comprising a Base Station (BS) having a donor and a remote connected thereto via am optical fiber, upstream and downstream Radio Frequency (RF) signals are transmitted and received, and by reliably transmitting a switch control signal to the remote and simultaneously compensating for a transmission time delay occurring in the optical cable, time synchronization of the upstream and downstream RF signals transmitted and received via antennas of the BS and the remote is controlled, thereby efficiently increasing the performance of a TDD wireless service system.

摘要翻译： 提供了一种用于控制传输时间的无线电光纤（RoF）系统和方法。 在包括具有供体的基站（BS）和经由光纤远程连接的基站（TDD）的时分双工（TDD）无线通信系统中，发送和接收上行和下行射频（RF）信号，并且通过可靠地发送 切换控制信号到远端，并同时补偿在光缆中发生的传输时延，控制通过BS和遥控器的天线发送和接收的上行和下行RF信号的时间同步，从而有效提高 TDD无线服务系统。

公开(公告)号：US08116405B2

公开(公告)日：2012-02-14

申请号：US12104662

申请日：2008-04-17

申请人： Jae-Hun Cho ,  Byung-Duck Cho ,  Yun-Je Oh ,  Seong-Taek Hwang

发明人： Jae-Hun Cho ,  Byung-Duck Cho ,  Yun-Je Oh ,  Seong-Taek Hwang

IPC分类号： H03K9/00 ,  H04L27/00

CPC分类号： H04J3/0697 ,  G04R20/06 ,  H04J3/0644 ,  H04J3/0664 ,  H04J3/0667

摘要： A method and apparatus for time synchronization (TS) method using GPS information in a communication system synchronizing the time of slave nodes, which do not have a GPS receiver, by using GPS information of a node having a GPS receiver. The method includes the steps of extracting 1PPS, TOD, 1PPS_en, and clocks using GPS signals by a grand master node having a GPS receiver, stabilizing the signals, generating a sync message for TS, and transmitting the sync message to a slave node; receiving the sync message by the slave node and conducting a TS operation using OFCC synchronization technology extracting 1PPS, TOD, and 1PPS_en signals using the modified TOD information by the block and delivering to a stabilization block of the slave node for stabilization; and redelivering to the TS block to update TOD information and generate a sync message for TS of a second slave node.

摘要翻译： 通过使用具有GPS接收机的节点的GPS信息，在通信系统中使用GPS信息来同步没有GPS接收机的从节点的时间的时间同步（TS）方法和方法。 该方法包括以下步骤：通过具有GPS接收机的大主节点提取1PPS，TOD，1PPS_en和使​​用GPS信号的时钟，稳定信号，产生用于TS的同步消息，并将同步消息发送到从节点; 由所述从节点接收同步消息，并且使用OFCC同步技术进行TS操作，所述同步技术使用所述块的修改的TOD信息提取1PPS，TOD和1PPS_en信号，并将其传送到所述从节点的稳定块以进行稳定; 并且重新发送到TS块以更新TOD信息并且生成用于第二从节点的TS的同步消息。

公开(公告)号：US20090168808A1

公开(公告)日：2009-07-02

申请号：US12062557

申请日：2008-04-04

申请人： Jae-Hun CHO ,  Seong-Taek Hwang ,  Byung-Duck Cho ,  Yun-Je Oh

发明人： Jae-Hun CHO ,  Seong-Taek Hwang ,  Byung-Duck Cho ,  Yun-Je Oh

IPC分类号： H04J3/06 ,  H04B7/185

CPC分类号： G04G7/00 ,  H04J3/0644 ,  H04J3/0664 ,  H04J3/0667 ,  H04J3/0697

摘要： Disclosed is an apparatus and a method for performing time synchronization by using Global Positioning System (GPS) information in a communication system. The apparatus comprises a grand-master node having a GPS receiver, for generating a synchronizing message required to synchronize time on slave nodes by using Time Of Day (TOD) information received from the GPS receiver and at least one slave node for receiving the synchronizing message required to synchronize time from the grand-master node or from another slave node, for carrying out time synchronization operation by using an Offset and Frequency Compensation Clock (OFCC) synchronization process supporting time offset and frequency separation compensation, and for generating a synchronizing message required to synchronize time on other slave nodes.

摘要翻译： 公开了一种通过在通信系统中使用全球定位系统（GPS）信息来执行时间同步的装置和方法。 该装置包括具有GPS接收机的盛大主节点，用于通过使用从GPS接收机接收的时间（TOD）信息和至少一个从节点接收同步消息来产生用于同步从节点上的时间所需的同步消息 需要同步来自大主节点或另一个从节点的时间，以便通过使用支持时间偏移和频率分离补偿的偏移和频率补偿时钟（OFCC）同步过程来执行时间同步操作，并用于生成所需的同步消息 以在其他从节点上同步时间。

公开(公告)号：US07876790B2

公开(公告)日：2011-01-25

申请号：US12062557

申请日：2008-04-04

申请人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Byung-Duck Cho ,  Yun-Je Oh

发明人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Byung-Duck Cho ,  Yun-Je Oh

IPC分类号： H04J3/06

CPC分类号： G04G7/00 ,  H04J3/0644 ,  H04J3/0664 ,  H04J3/0667 ,  H04J3/0697

摘要： Disclosed is an apparatus and a method for performing time synchronization by using Global Positioning System (GPS) information in a communication system. The apparatus comprises a grand-master node having a GPS receiver, for generating a synchronizing message required to synchronize time on slave nodes by using Time Of Day (TOD) information received from the GPS receiver and at least one slave node for receiving the synchronizing message required to synchronize time from the grand-master node or from another slave node, for carrying out time synchronization operation by using an Offset and Frequency Compensation Clock (OFCC) synchronization process supporting time offset and frequency separation compensation, and for generating a synchronizing message required to synchronize time on other slave nodes.

摘要翻译： 公开了一种通过在通信系统中使用全球定位系统（GPS）信息来执行时间同步的装置和方法。 该装置包括具有GPS接收机的盛大主节点，用于通过使用从GPS接收机接收的时间（TOD）信息和至少一个从节点接收同步消息来产生用于同步从节点上的时间所需的同步消息 需要同步来自大主节点或另一个从节点的时间，以便通过使用支持时间偏移和频率分离补偿的偏移和频率补偿时钟（OFCC）同步过程进行时间同步操作，并用于生成所需的同步消息 以在其他从节点上同步时间。

公开(公告)号：US20060239303A1

公开(公告)日：2006-10-26

申请号：US11410422

申请日：2006-04-25

申请人： Jae-Hun Cho ,  Jong-Ho Yoon ,  Kwan-Soo Lee ,  Yun-Je Oh ,  Jun-Ho Koh ,  Si-Hai Wang ,  Sang-Ho Kim

发明人： Jae-Hun Cho ,  Jong-Ho Yoon ,  Kwan-Soo Lee ,  Yun-Je Oh ,  Jun-Ho Koh ,  Si-Hai Wang ,  Sang-Ho Kim

IPC分类号： H04J3/06 ,  H04J3/12 ,  H04J3/02

CPC分类号： H04J3/1682 ,  H04J3/0638

摘要： Disclosed is a method of performing a periodical synchronization at a predetermined transmission link for ensuring a start of a super frame in a residential Ethernet system. The method includes the steps of ensuring a start of a first predetermined super frame at the predetermined transmission link, transmitting Sync frames and Async frames through a predetermined number (N-1) of super frames, in which N is a total number of the super frames, and controlling an Async frame to be transmitted at an end point of the (N-1) super frames in such a manner that a start of a next super frame (Nth super frame) is strictly ensured, thereby maintaining a synchronization for the start of the super frame.

摘要翻译： 公开了一种在预定的传输链路上执行周期性同步的方法，以确保在住宅以太网系统中启动超帧。 该方法包括以下步骤：确保在预定传输链路上开始第一预定超帧，通过预定数量（N-1）超帧传输同步帧和异步帧，其中N是超级帧的总数 帧，并且控制在（N-1）个超帧的终点处发送的异步帧，使得下一个超帧（N ^{超帧）的开始是严格的 从而保持超帧开始的同步。}