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    • 1. 发明授权
    • Switchable combiner/splitter
    • 可切换组合器/分路器
    • US06252871B1
    • 2001-06-26
    • US09108734
    • 1998-07-01
    • Richard D. PosnerThuan Tran
    • Richard D. PosnerThuan Tran
    • H04L1250
    • H04B7/0689H01P5/04
    • An apparatus for either combining a plurality of high frequency RF signal inputs or splitting a single RF frequency input into a plurality of RF signal outputs employs a switchable combining/splitting section and a switchable matching section. The switchable combining/splitting section operates to either combine the RF signal inputs to a common summed output or to take a matched input and to split it into a plurality of outputs. The matching section operates to switchably match the impedance presented by the combining/splitting section to achieve a minimum or zero insertion loss through the apparatus.
    • 一种用于组合多个高频RF信号输入或将单个RF频率输入分离成多个RF信号输出的装置采用可切换组合/分离部分和可切换匹配部分。 可切换组合/分离部分操作以将RF信号输入组合到公共相加的输出或者获取匹配的输入并将其分成多个输出。 匹配部分操作以可切换地匹配由组合/分离部分呈现的阻抗,以实现通过该装置的最小或零插入损耗。
    • 3. 发明申请
    • System and method for improving network performance and security by controlling topology information
    • 通过控制拓扑信息提高网络性能和安全性的系统和方法
    • US20070237095A1
    • 2007-10-11
    • US11400479
    • 2006-04-05
    • Yi YangDonnie SavageTimothy GageThuan TranJames Ng
    • Yi YangDonnie SavageTimothy GageThuan TranJames Ng
    • H04L12/28H04L12/56
    • H04L45/54H04L45/02
    • A system for optimizing the performance of a network. In an illustrative embodiment, the system includes a memory containing one or more data structures data structures. A first module determines transit-only information. A second module selectively omits the transit-only information from the one or more data structures. In a more specific embodiment, the one or more data structures include one or more tables. The transit-only information includes interface Internet Protocol (IP) addresses associated with network interfaces that are transit-only interfaces. The route information may include network topology information. The one or more tables may include a network topology table. Plural routers positioned in the network incorporate one or more instances of the system. The routers may employ one or more routing protocols, such as include Enhanced Interior Gateway Routing Protocol (EIGRP) or Routing Information Protocol (RIP).
    • 用于优化网络性能的系统。 在说明性实施例中,系统包括包含一个或多个数据结构数据结构的存储器。 第一个模块确定只传输信息。 第二模块选择性地省略来自一个或多个数据结构的仅传输信息。 在更具体的实施例中,一个或多个数据结构包括一个或多个表。 仅传输信息包括与作为仅传输接口的网络接口相关联的接口因特网协议(IP)地址。 路由信息可以包括网络拓扑信息。 一个或多个表可以包括网络拓扑表。 位于网络中的多个路由器包含系统的一个或多个实例。 路由器可以采用一个或多个路由协议,诸如包括增强型内部网关路由协议(EIGRP)或路由信息协议(RIP)。