FTTH system for convergence of broadcasting and communication through switched broadcasting
    41.
    发明授权
    FTTH system for convergence of broadcasting and communication through switched broadcasting 失效
    FTTH系统,用于通过交换广播进行广播和通信的融合

    公开(公告)号:US07412169B2

    公开(公告)日:2008-08-12

    申请号:US10825819

    申请日:2004-04-16

    IPC分类号: H04J14/00

    摘要: A fiber to the home FTTH network for convergence of broadcasting and communication is disclosed. The network includes: an OLT for receiving and converting a first predetermined number of broadcast signals and an Ethernet signal into a plurality of converted optical signals, combining the converted optical signals into converged optical signals for subsequent transmission by an optical wavelength division multiplexing method; and an optical network unit (ONU) for classifying the optical signal transmitted from the OLT into the first predetermined number of broadcast signals and the Ethernet signal, switching a second predetermined number of broadcasting signals of the first predetermined number of broadcasting signals according to each SIU by channel selection information contained in upstream Ethernet information, and switching the Ethernet signal to be transmitted to the SIU according to each SIU so as to transmit the switched signal.

    摘要翻译: 公开了一种用于广播和通信融合的家庭FTTH网络的光纤。 该网络包括:OLT,用于将第一预定数量的广播信号和以太网信号转换成多个转换的光信号,将转换的光信号组合成会聚的光信号,用于通过光波分复用方法进行后续传输; 以及用于将从OLT发送的光信号分类为第一预定数量的广播信号和以太网信号的光网络单元(ONU),根据每个SIU切换第一预定数量的广播信号的第二预定数量的广播信号 通过上行以太网信息中包含的信道选择信息,根据各SIU将要发送的以太网信号切换到SIU,以发送切换信号。

    FTTH system for broadcast/communication convergence using IEEE 1394
    42.
    发明授权
    FTTH system for broadcast/communication convergence using IEEE 1394 失效
    使用IEEE 1394的广播/通信融合FTTH系统

    公开(公告)号:US07340171B2

    公开(公告)日:2008-03-04

    申请号:US10937626

    申请日:2004-09-09

    IPC分类号: H04J14/00

    摘要: A broadcast/communication convergence system, and an FTTH (Fiber To The Home) system that can accommodate broadcast signals of various channels and variable band signals by converging broadcast and communication signals and transmitting the converged broadcast and communication signals using an IEEE 1394 transmission method serving as a standard interface in the FTTH system for broadcast/communication convergence. An OLT (Optical Line Terminal) transfers a plurality of broadcast signals and a communication signal received from external broadcast and communication providers through a single optical signal (A). An ONU (Optical Network Unit) receives the optical signal (A) from the OLT, separates the received optical signal into the plurality of broadcast signals and the communication signal, opto-electrically converts the plurality of broadcast signals and the communication signal, switches the converted broadcast signals subscriber by subscriber, combines the converted communication signal with the switched converted broadcast signals. The result is transferred to a corresponding subscriber through a single optical signal (B). A gateway at each subscriber is implemented by IEEE 1394 protocol to receive the optical signal (B) from the ONU, separate the received optical signal into the broadcast signals and the communication signal, and transfer the broadcast signals and the communication signal to a corresponding subscriber device.

    摘要翻译: 广播/通信会聚系统和FTTH(光纤到户)系统,其可以通过会聚广播和通信信号并且使用服务的IEEE 1394传输方法来发送会聚的广播和通信信号来适应各种频道和可变频带信号的广播信号 作为广播/通信融合FTTH系统的标准接口。 OLT(光线路终端)通过单个光信号(A)传送从外部广播和通信提供者接收的多个广播信号和通信信号。 ONU(光网络单元)从OLT接收光信号(A),将接收到的光信号分离成多个广播信号和通信信号,对多个广播信号和通信信号进行光电转换,切换 由用户转换的广播信号用户组合转换后的通信信号与切换转换的广播信号。 结果通过单个光信号(B)传送到相应的用户。 每个用户的网关由IEEE 1394协议实现,用于从ONU接收光信号(B),将接收的光信号分离成广播信号和通信信号,并将广播信号和通信信号传送到相应的用户 设备。

    FTTH system for broadcast/communication convergence using IEEE 1394
    43.
    发明申请
    FTTH system for broadcast/communication convergence using IEEE 1394 失效
    使用IEEE 1394的广播/通信融合FTTH系统

    公开(公告)号:US20050169632A1

    公开(公告)日:2005-08-04

    申请号:US10937626

    申请日:2004-09-09

    摘要: A broadcast/communication convergence system, and an FTTH (Fiber To The Home) system that can accommodate broadcast signals of various channels and variable band signals by converging broadcast and communication signals and transmitting the converged broadcast and communication signals using an IEEE 1394 transmission method serving as a standard interface in the FTTH system for broadcast/communication convergence. An OLT (Optical Line Terminal) transfers a plurality of broadcast signals and a communication signal received from external broadcast and communication providers through a single optical signal (A). An ONU (Optical Network Unit) receives the optical signal (A) from the OLT, separates the received optical signal into the plurality of broadcast signals and the communication signal, opto-electrically converts the plurality of broadcast signals and the communication signal, switches the converted broadcast signals subscriber by subscriber, combines the converted communication signal with the switched converted broadcast signals. The result is transferred to a corresponding subscriber through a single optical signal (B). A gateway at each subscriber is implemented by IEEE 1394 protocol to receive the optical signal (B) from the ONU, separate the received optical signal into the broadcast signals and the communication signal, and transfer the broadcast signals and the communication signal to a corresponding subscriber device.

    摘要翻译: 广播/通信会聚系统和FTTH(光纤到户)系统,其可以通过会聚广播和通信信号并且使用服务的IEEE 1394传输方法来发送会聚的广播和通信信号来适应各种频道和可变频带信号的广播信号 作为广播/通信融合FTTH系统的标准接口。 OLT(光线路终端)通过单个光信号(A)传送从外部广播和通信提供者接收的多个广播信号和通信信号。 ONU(光网络单元)从OLT接收光信号(A),将接收到的光信号分离成多个广播信号和通信信号,对多个广播信号和通信信号进行光电转换,切换 由用户转换的广播信号用户组合转换后的通信信号与切换转换的广播信号。 结果通过单个光信号(B)传送到相应的用户。 每个用户的网关由IEEE 1394协议实现,用于从ONU接收光信号(B),将接收的光信号分离成广播信号和通信信号,并将广播信号和通信信号传送到相应的用户 设备。

    Method for selecting root bridge in configuration of spanning tree
    45.
    发明申请
    Method for selecting root bridge in configuration of spanning tree 审中-公开
    在生成树配置中选择根桥的方法

    公开(公告)号:US20070206513A1

    公开(公告)日:2007-09-06

    申请号:US11642572

    申请日:2006-12-20

    IPC分类号: H04L12/28 H04L12/56

    CPC分类号: H04L12/4625

    摘要: Disclosed is a method, apparatus and computer-readable medium for selecting a root bridge when a spanning tree is configured in an Ethernet network including a plurality of legacy switches and a plurality of synchronous switches. The method comprises the steps of providing in advance identification information in a configuration BPDU message of the synchronous switch, the identification information representing that a corresponding switch is an AV switch, broadcasting configuration BPDU messages by the legacy switches and the synchronous switches; and receiving configuration BPDU messages by the synchronous switch from other switches, confirming bridge priorities according to the synchronous switches through the received configuration BPDU message and the identification information to select a synchronous root bridge, receiving configuration BPDU messages by the legacy switch from other switches, and confirming bridge priorities through the received configuration BPDU messages to select a legacy root bridge.

    摘要翻译: 公开了一种在包括多个传统交换机和多个同步交换机的以太网中配置生成树时选择根桥的方法,装置和计算机可读介质。 该方法包括以下步骤:事先提供同步交换机的配置消息中的识别信息,表示对应的交换机是AV交换机的识别信息,传统交换机和同步交换机广播配置消息; 通过同步交换机从其他交换机接收配置消息,通过接收到的配置消息和识别信息根据同步交换机确认桥优先级,选择同步根桥,从其他交换机接收传统交换机的配置消息, 并通过接收到的配置BPDU消息来确认桥优先级,以选择传统根桥。

    Method and apparatus of adaptively allocating transmission power for beamforming combined with orthogonal space-time block codes based on symbol error rate in distributed wireless communication system
    46.
    发明申请
    Method and apparatus of adaptively allocating transmission power for beamforming combined with orthogonal space-time block codes based on symbol error rate in distributed wireless communication system 有权
    基于分布式无线通信系统中的符号错误率,自适应地分配波束成形的发射功率与正交空时块码组合的方法和装置

    公开(公告)号:US20080117961A1

    公开(公告)日:2008-05-22

    申请号:US11974402

    申请日:2007-10-12

    IPC分类号: H04L27/00

    摘要: 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.

    摘要翻译: 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。

    Visible light communication method and system
    48.
    发明授权
    Visible light communication method and system 有权
    可见光通信方式和系统

    公开(公告)号:US08452188B2

    公开(公告)日:2013-05-28

    申请号:US12707381

    申请日:2010-02-17

    IPC分类号: H04B10/00 H04B10/116

    摘要: A Visible Light Communication (VLC) method in a VLC terminal, in which the VLC terminal requests initial access to an Access Point (AP) on a selected mini-slot among a plurality of mini-slots constituting a control slot, based on control information in a frame, sends an association request to the AP on an allocated uplink time slot, if the uplink time slot allocated to correspond to the selected mini-slot exists in control information in a next frame, and transmits data at a data rate appointed to the VLC terminal included in control information in the current frame using an association Identifier (ID) included in a response received in reply to the association request and the allocated uplink time slot.

    摘要翻译: VLC终端中的可见光通信(VLC)方法,其中VLC终端基于控制信息请求在构成控制时隙的多个微时隙中的所选小时隙上的接入点(AP)的初始接入 如果在下一帧中的控制信息中存在分配给所选择的小时隙的上行链路时隙,则在所分配的上行链路时隙中向AP发送关联请求,并以指定的数据速率发送数据 使用包括在响应于关联请求而接收的响应中的关联标识符(ID)和所分配的上行链路时隙,在当前帧中包含在控制信息中的VLC终端。

    Bridge-based radio access station backbone network and a method of treating signals thereof
    49.
    发明申请
    Bridge-based radio access station backbone network and a method of treating signals thereof 失效
    基于桥的无线接入站骨干网及其信号处理方法

    公开(公告)号:US20080031198A1

    公开(公告)日:2008-02-07

    申请号:US11890174

    申请日:2007-08-03

    IPC分类号: H04Q7/00

    CPC分类号: H04W36/02 H04W36/12 H04W36/18

    摘要: 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.

    摘要翻译: 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。

    Bridge-based cellular ethernet system and handover processing method therefor
    50.
    发明授权
    Bridge-based cellular ethernet system and handover processing method therefor 有权
    基于桥的蜂窝以太网系统及其切换处理方法

    公开(公告)号:US08923243B2

    公开(公告)日:2014-12-30

    申请号:US11968682

    申请日:2008-01-03

    摘要: 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.

    摘要翻译: 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。