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    • 42. 发明申请
    • METHOD AND APPARATUS FOR ABSTRACTING LOGICAL TOPOLOGY INFORMATION OF PEER-TO-PEER NETWORK
    • 用于提取对等网络逻辑拓扑信息的方法和装置
    • US20120066368A1
    • 2012-03-15
    • US13299046
    • 2011-11-17
    • Chunxiu LiYan WangGuoyi Chen
    • Chunxiu LiYan WangGuoyi Chen
    • G06F15/173
    • H04L29/06H04L29/08072H04L41/0213H04L45/02H04L45/64H04L67/104
    • The present invention provides a method and an apparatus for abstracting logical topology information of a Peer-to-Peer (P2P) network. The method includes: obtaining a set of Points of Presence (POPs) of peer clients in the P2P network; using a relevant algorithm of a routing protocol to calculate a best path between any two POPs in the set of POPs and a weight value of the best path; and collecting calculation results of the best path and the weight value that are obtained on each POP to obtain a set of abstract logical topology records of the P2P network. The embodiments of the present invention provide a universal and efficient method for abstracting logical topology information, which greatly reduces network topology information that needs to be transmitted, mitigates a risk of exposing lower-layer network topology information, and transmits the network topology information to a P2P application server securely and concisely.
    • 本发明提供了一种用于抽象对等(P2P)网络的逻辑拓扑信息的方法和装置。 该方法包括:获取P2P网络中对等客户端的一组存在点(POP); 使用路由协议的相关算法来计算POP集合中任何两个POP之间的最佳路径和最佳路径的权重值; 并收集每个POP获得的最佳路径和权重值的计算结果,以获得一组P2P网络的抽象逻辑拓扑记录。 本发明的实施例提供了一种通用且有效的抽象逻辑拓扑信息的方法,大大减少了需要传输的网络拓扑信息,减轻了暴露下层网络拓扑信息的风险,并将网络拓扑信息传输到 P2P应用服务器安全简洁。
    • 45. 发明申请
    • METHOD, APPARATUS, AND SYSTEM FOR SENDING A DATA PACKET
    • 用于发送数据包的方法,装置和系统
    • US20120008561A1
    • 2012-01-12
    • US13234911
    • 2011-09-16
    • Yan WangBo LinYuHong Liu
    • Yan WangBo LinYuHong Liu
    • H04W4/00
    • H04W36/18H04W36/02H04W52/54
    • The present invention relates to radio communications technologies and discloses a method, an apparatus, and a system for sending a data packet to avoid repeated forwarding of data when a user equipment hands over between an access point and an evolved NodeB. The method includes: receiving, by an evolved NodeB, a data packet sent by a core network and sending the data packet to a current access point; and keeping caching the data packet on the evolved NodeB before determining that a user equipment has correctly received the data packet from the current access point. The present invention is applicable to data transmission in a network.
    • 本发明涉及无线电通信技术,并且公开了一种方法,装置和系统,用于当用户设备在接入点和演进节点B之间切换时,发送数据分组以避免数据重复转发。 该方法包括:由演进的节点B接收由核心网发送的数据分组,并将数据分组发送到当前接入点; 并且在确定用户设备已经从当前接入点正确地接收到数据分组之前,将数据分组保持缓存在演进的节点B上。 本发明适用于网络中的数据传输。
    • 46. 发明授权
    • Equalization techniques using viterbi algorithms in software-defined radio systems
    • 在软件定义的无线电系统中使用维特比算法的均衡技术
    • US08069401B2
    • 2011-11-29
    • US11710087
    • 2007-02-23
    • Eran PisekYan Wang
    • Eran PisekYan Wang
    • H03M13/03
    • H03M13/41H03M13/6331H03M13/6516H03M13/6519H03M13/6561H03M13/6569H04B1/00H04B1/0003
    • A system and method for channel equalization using a Viterbi algorithm. Information from an output of a matched filter and channel parameters from a channel estimation circuit are correlated and passed on to a reconfigurable data path. The reconfigurable data path includes a reconfigurable branch metric calculation block. The reconfigurable data path also includes a reconfigurable add-compare-select and path metric calculation block. The reconfigurable data path is controlled using a programmable finite state machine. The programmable finite state machine executes a plurality of context-related instructions associated with the Viterbi algorithm. The system and method for channel equalization supports multiple standards using Viterbi algorithms.
    • 一种使用维特比算法进行信道均衡的系统和方法。 来自匹配滤波器的输出和来自信道估计电路的信道参数的信息被相关联并传递到可重新配置的数据路径。 可重构数据路径包括可重新配置的分支度量计算块。 可重构数据路径还包括可重新配置的加法比较选择和路径度量计算块。 可重构数据路径使用可编程有限状态机进行控制。 可编程有限状态机执行与维特比算法相关联的多个上下文相关指令。 信道均衡的系统和方法支持使用维特比算法的多种标准。