公开(公告)号：US07715418B2

公开(公告)日：2010-05-11

申请号：US11891122

申请日：2007-08-09

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

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

IPC: H04L12/56

CPC classification number: H04L12/4625 ,  H04L47/10 ,  H04L47/13 ,  H04L47/2408 ,  H04L47/2441 ,  H04L47/28 ,  H04L47/31 ,  H04L47/50 ,  H04L47/562

Abstract: 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.

Abstract translation: 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：US20080117961A1

公开(公告)日：2008-05-22

申请号：US11974402

申请日：2007-10-12

Applicant: Shuangfeng Han ,  Seong-Taek Hwang ,  Hoon Kim ,  Sang-Ho Kim ,  Jae-Hun Cho ,  Jae-Hoon Lee ,  Ki-Uk Song

Inventor： Shuangfeng Han ,  Seong-Taek Hwang ,  Hoon Kim ,  Sang-Ho Kim ,  Jae-Hun Cho ,  Jae-Hoon Lee ,  Ki-Uk Song

IPC: H04L27/00

CPC classification number: H04W52/42 ,  H04B7/043 ,  H04B7/0617 ,  H04B7/0691 ,  H04L1/0625 ,  H04L1/0668 ,  H04W52/04

Abstract: Disclosed is an apparatus and method for adaptively allocating transmission power for beamforming combined with orthogonal space-time block codes (OSTBC) in a distributed wireless communication system, the apparatus comprising: a plurality of sub-arrays for beamforming, which are geographically distributed and each of which comprises a plurality of distributed antennas placed in random groups; and a central processing unit for identifying performances of subsets by applying a predetermined power allocation scheme according to subsets which can be obtained by combining the sub-arrays, by means of a Nakagami fading parameter and information about large-scale fading of each of the sub-arrays, fed back from a receiving party, for determining a subset having a best performance as an optimal subset according to the identified performances, and for performing power allocation based on the subset set as the optimal subset.

Abstract translation: 公开了一种用于在分布式无线通信系统中自适应地分配与正交空时块码（OSTBC）组合的波束成形的发射功率的装置和方法，该装置包括：多个用于波束成形的子阵列，其在地理上分布并且每个 其中包括放置在随机组中的多个分布式天线; 以及中央处理单元，用于通过应用根据可以通过组合子阵列获得的子集的预定功率分配方案，通过Nakagami衰落参数和关于每个子级的大规模衰落的信息来应用子集的性能 - 从接收方反馈的用于根据所识别的性能确定具有最佳性能的子集作为最佳子集的子阵列，以及用于基于所述子集作为所述最佳子集执行功率分配。

公开(公告)号：US20080031198A1

公开(公告)日：2008-02-07

申请号：US11890174

申请日：2007-08-03

Applicant: Seong-Taek Hwang ,  Jae-Hun Cho ,  Jong-Ho Yoon ,  Hoon Kim

Inventor： Seong-Taek Hwang ,  Jae-Hun Cho ,  Jong-Ho Yoon ,  Hoon Kim

IPC: H04Q7/00

CPC classification number: H04W36/02 ,  H04W36/12 ,  H04W36/18

Abstract: A method of treating signals in a bridge-based radio access station backbone network including a plurality of base station bridges (BSBs), with each BSB having a 2-tiered switch connected with a plurality of radio access stations. A plurality of SCBs (Site Core Bridges), each of having a 2-tiered switch for constituting the core network, includes the steps of buffering by the SCB a predetermined number of previously-transmitted frames when operating as a crossover bridge, and causing the SCB to retransmit selected ones of the buffered previously-transmitted frames to a terminal in response to a handover completion signal.

Abstract translation: 一种处理基于桥的无线电接入站骨干网络中的信号的方法，包括多个基站网桥（BSB），每个BSB具有与多个无线电接入站连接的2层交换机。 多个具有用于构成核心网络的2层交换机的SCB（站点核心桥）包括以下步骤：当作为交叉桥工作时，由SCB缓冲预定数量的先前发送的帧， SCB响应于切换完成信号，将已缓存的先前发送的帧的选择的一个重传到终端。

公开(公告)号：US08923243B2

公开(公告)日：2014-12-30

申请号：US11968682

申请日：2008-01-03

Applicant: Jae-Hun Cho ,  Seong-Taek Hwang ,  Jong-Ho Yoon ,  Hoon Kim

Inventor： Jae-Hun Cho ,  Seong-Taek Hwang ,  Jong-Ho Yoon ,  Hoon Kim

IPC: G08C17/00 ,  H04L12/28 ,  H04W4/00 ,  H04W36/00 ,  H04J1/16 ,  G06F15/16 ,  H04W80/02 ,  H04W8/04

CPC classification number: H04W36/0011 ,  H04W8/04 ,  H04W8/087 ,  H04W80/02

Abstract: A bridge-based cellular Ethernet system and a handover processing method therefore are provided. In the bridge-based cellular Ethernet system, an HLR manages configuration information about network entities, and a plurality of Base Station Bridges (BSBs) are connected to a plurality of Base Stations (BSs), each BSB including a layer 2 switch, and a plurality of SCBs connected to part of the BSBs under the SCBs. Each SCB includes a layer 2 switch forming a core network, and SCB monitors the signal power of a Mobile Node (MN) within its service area, determines whether the MN is to move to another site, selects a new SCB to which the MN is to move, sends necessary path information to associated SCBs and the HLR, for setting of the path information in the associated SCBs and the HLR, and commands a handover to the MN.

Abstract translation: 因此，提供了一种基于桥的蜂窝以太网系统和切换处理方法。 在基于桥的蜂窝以太网系统中，HLR管理有关网络实体的配置信息，并且多个基站桥（BSB）连接到多个基站（BS），每个BSB包括层2交换机和 多个SCB连接到SCB下的部分BSB。 每个SCB包括形成核心网的层2交换机，并且SCB监视其服务区域内的移动节点（MN）的信号功率，确定MN是否移动到另一站点，选择MN所在的新SCB 向相关联的SCB和HLR发送必要的路径信息，用于设置相关联的SCB和HLR中的路径信息，并且命令切换到MN。

公开(公告)号：US08149784B2

公开(公告)日：2012-04-03

申请号：US11880659

申请日：2007-07-24

Applicant: Hoon Kim ,  Seong-Taek Hwang ,  Jong-Ho Yoon ,  Jae-Hun Cho

Inventor： Hoon Kim ,  Seong-Taek Hwang ,  Jong-Ho Yoon ,  Jae-Hun Cho

IPC: H04W4/00 ,  H04L12/28

CPC classification number: H04L29/12028 ,  H04L61/103 ,  H04W8/04 ,  H04W8/26 ,  H04W40/246 ,  H04W92/02

Abstract: A bridge-based RAS backbone network system and a signal processing method therefor are provided. In the bridge-based RAS backbone network system, a plurality of BSBs with Layer 2 (L2) switches are connected to a plurality of RASs, and a plurality of SCBs with L2 switches are connected to part of the BSBs in a lower layer, forming a core network. An HLR manages configuration information of network entities by storing the IP addresses and MAC addresses of MNs within the network and the addresses of SCBs to which the MNs belong in a table. Each of the SCBs statically preserves the MAC address of an external default router, for relaying an egress frame, statically registers its individual MAC address in other SCBs in the core network beforehand, detects a destination MN through the HLR, and sends a frame to the SCB of the destination MN or the MAC address of the external default router.

Abstract translation: 提供了一种基于桥梁的RAS骨干网系统及其信号处理方法。 在基于桥的RAS骨干网系统中，具有层2（L2）交换机的多个BSB连接到多个RAS，并且具有L2交换机的多个SCB与下层的部分BSB连接，形成 核心网络。 HLR通过存储网络中的MN的IP地址和MAC地址以及MN所属的SCB的地址来管理网络实体的配置信息。 每个SCB静态地保留外部默认路由器的MAC地址，用于中继出站帧，预先在核心网中的其他SCB中静态注册其各自的MAC地址，通过HLR检测目的地MN，并将帧发送到 目的MN的SCB或外部默认路由器的MAC地址。

公开(公告)号：US08041223B2

公开(公告)日：2011-10-18

申请号：US12057580

申请日：2008-03-28

Applicant: Hoon Kim ,  Jae-Hun Cho ,  Seong-Taek Hwang

Inventor： Hoon Kim ,  Jae-Hun Cho ,  Seong-Taek Hwang

IPC: H04B10/10 ,  H04J14/08

CPC classification number: H04B7/2643 ,  H04B10/2503 ,  H04L5/1484

Abstract: A method of establishing a system delay time and a frame length in a Time Division Duplexing (TDD) system includes adjusting time lengths of an uplink (UL) frame, a downlink (DL) frame, a Transmit/receive Transition Gap (TTG), and a Receive/transmit Transition Gap (RTG); a Base Station (BS) transmitting a DL frame and receiving a UL frame; and a Mobile Station (MS) receiving the DL frame and transmitting the UL frame.

Abstract translation: 一种在时分双工（TDD）系统中建立系统延迟时间和帧长度的方法包括调整上行链路（UL）帧，下行链路（DL）帧，发射/接收转换间隙（TTG） 和接收/发送转换间隙（RTG）; 传送DL帧并接收UL帧的基站（BS）; 以及接收DL帧并发送UL帧的移动站（MS）。

公开(公告)号：US07933246B2

公开(公告)日：2011-04-26

申请号：US11890174

申请日：2007-08-03

Applicant: Seong-Taek Hwang ,  Jae-Hun Cho ,  Jong-Ho Yoon ,  Hoon Kim

Inventor： Seong-Taek Hwang ,  Jae-Hun Cho ,  Jong-Ho Yoon ,  Hoon Kim

IPC: H04W4/00

CPC classification number: H04W36/02 ,  H04W36/12 ,  H04W36/18

Abstract: A method of treating signals in a bridge-based radio access station backbone network including a plurality of base station bridges (BSBs), with each BSB having a 2-tiered switch connected with a plurality of radio access stations. A plurality of SCBs (Site Core Bridges), each of having a 2-tiered switch for constituting the core network, includes the steps of buffering by the SCB a predetermined number of previously-transmitted frames when operating as a crossover bridge, and causing the SCB to retransmit selected ones of the buffered previously-transmitted frames to a terminal in response to a handover completion signal.

Abstract translation: 一种处理基于桥的无线电接入站骨干网络中的信号的方法，包括多个基站网桥（BSB），每个BSB具有与多个无线电接入站连接的2层交换机。 多个具有用于构成核心网络的2层交换机的SCB（站点核心桥）包括以下步骤：当作为交叉桥工作时，由SCB缓冲预定数量的先前发送的帧， SCB响应于切换完成信号，将已缓存的先前发送的帧的选择的一个重传到终端。

公开(公告)号：US07860504B2

公开(公告)日：2010-12-28

申请号：US11893801

申请日：2007-08-17

Applicant: Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Jong-Hee Kim ,  Jong-Ho Yoon

Inventor： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Jong-Hee Kim ,  Jong-Ho Yoon

IPC: H04W36/00

CPC classification number: H04W36/12 ,  H04W76/20

Abstract: A method of treating a handover in a bridge-based radio access station backbone network including a plurality of base station bridges each including a two-tiered switch connected with a plurality of radio access stations, a plurality of SCBs (Site Core Bridges) each composed of two-tiered switch for constituting the core network, and an HLR (Home Location Register) for managing the structural information of the network constituents. The SCB stores the terminal information containing the receiving address of the initial terminal registration message and the SCB to delete the terminal information in response to a disconnection message of the terminal caused by handover, to request the SCBs in the terminal end of the old MAC-in-MAC tunnel to delete the tunnel information and the terminal information, and to inform the HLR of initiating the handover to change the registered operational state of the terminal.

Abstract translation: 一种处理基于桥的无线电接入站骨干网中的切换的方法，包括多个基站桥，每个基站桥包括与多个无线电接入站连接的双层交换机，每个组成的多个SCB（站点核心桥） 用于构成核心网络的双层交换机，以及用于管理网络组成部分的结构信息的HLR（归属位置寄存器）。 SCB存储包含初始终端注册消息的接收地址的终端信息和SCB，以响应于由切换引起的终端的断开消息来删除终端信息，以请求旧的MAC-CSCF的终端中的SCB， 在MAC隧道中删除隧道信息和终端信息，并通知HLR发起切换以改变终端的注册操作状态。

公开(公告)号：US20080037567A1

公开(公告)日：2008-02-14

申请号：US11891122

申请日：2007-08-09

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

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

IPC: H04L12/28

CPC classification number: H04L12/4625 ,  H04L47/10 ,  H04L47/13 ,  H04L47/2408 ,  H04L47/2441 ,  H04L47/28 ,  H04L47/31 ,  H04L47/50 ,  H04L47/562

Abstract: 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.

Abstract translation: 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：US20080019387A1

公开(公告)日：2008-01-24

申请号：US11880659

申请日：2007-07-24

Applicant: Hoon Kim ,  Seong-Taek Hwang ,  Jong-Ho Yoon ,  Jae-Hun Cho

Inventor： Hoon Kim ,  Seong-Taek Hwang ,  Jong-Ho Yoon ,  Jae-Hun Cho

IPC: H04L12/66 ,  H04L9/00

CPC classification number: H04L29/12028 ,  H04L61/103 ,  H04W8/04 ,  H04W8/26 ,  H04W40/246 ,  H04W92/02

Abstract: A bridge-based RAS backbone network system and a signal processing method therefor are provided. In the bridge-based RAS backbone network system, a plurality of BSBs with Layer 2 (L2) switches are connected to a plurality of RASs, anda plurality of SCBs with L2 switches are connected to part of the BSBs in a lower layer, forming a core network. An HLR manages configuration information of network entities by storing the IP addresses and MAC addresses of MNs within the network and the addresses of SCBs to which the MNs belong in a table. Each of the SCBs statically preserves the MAC address of an external default router, for relaying an egress frame, statically registers its individual MAC address in other SCBs in the core network beforehand, detects a destination MN through the HLR, and sends a frame to the SCB of the destination MN or the MAC address of the external default router.

Abstract translation: 提供了一种基于桥梁的RAS骨干网系统及其信号处理方法。 在基于桥的RAS骨干网系统中，具有层2（L2）交换机的多个BSB连接到多个RAS，并且具有L2交换机的多个SCB与下层的一部分BSB连接，形成 核心网络。 HLR通过存储网络中的MN的IP地址和MAC地址以及MN所属的SCB的地址来管理网络实体的配置信息。 每个SCB静态地保留外部默认路由器的MAC地址，用于中继出站帧，预先在核心网中的其他SCB中静态注册其各自的MAC地址，通过HLR检测目的地MN，并将帧发送到 目的MN的SCB或外部默认路由器的MAC地址。