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    • 1. 发明公开
    • 무선 네트워크의 경로 설정 방법 및 장치
    • 无线网络的方法和设备路由
    • KR1020090127753A
    • 2009-12-14
    • KR1020080053863
    • 2008-06-09
    • 한국전자통신연구원한국항공대학교산학협력단
    • 이남경장대익이호진이동준
    • H04L12/28
    • H04W40/28H04L45/123H04L45/125
    • PURPOSE: A method and an apparatus routing for wireless network are provided to effectively use entire network resources in case of an emergency by addressing the problem of traffic distribution in a destination node and a middle route as well. CONSTITUTION: An existence of a unicast address corresponding to an anycast address is tested(100). In case there is no a unicast address, a routing request signal is transmitted, through an address mapping table, to the destination node group(102). If the destination node is determined, a routing response signal is transmitted into the source node(104). The unicast address about the destination node transmitting the routing response signal is updated in the address mapping table(106).
    • 目的:提供无线网络的方法和装置路由,以便在紧急情况下有效地利用整个网络资源,解决目的节点和中间路由的流量分配问题。 规定:测试对应于任播地址的单播地址的存在(100)。 在没有单播地址的情况下,路由请求信号通过地址映射表发送到目的地节点组(102)。 如果确定了目的地节点,则将路由响应信号发送到源节点(104)。 在地址映射表(106)中更新关于发送路由响应信号的目的地节点的单播地址。
    • 10. 发明公开
    • 위성 방송 단말기 및 그것의 신호 수신 방법
    • 卫星广播系统及其信号接收方法
    • KR1020100073021A
    • 2010-07-01
    • KR1020080131598
    • 2008-12-22
    • 한국전자통신연구원
    • 유준규장대익이호진
    • H04N7/20H04H40/90
    • H04B7/18534H04B7/18513H04B7/18523H04L27/183H04L27/3488
    • PURPOSE: A satellite broadcasting system and a signal receive method thereof are provided to supply an SD(Standard Definition) image signal by receiving a high priority stream signal through an ISM(Industrial, Scientific and Medical)-band in a dead zone. CONSTITUTION: A first antenna(2310) receives a wireless signal of a first or second band, and a second antenna(2340) receives a wireless signal of a third band. A first stream demodulating unit(2320) demodulates a first stream signal through the first band, and a second stream demodulating unit(2330) demodulates a second stream signal through the second band. A reproduction unit reproduces the demodulated first or second stream signal, and a gap filler receiver(2350) responds to a radio signal strength to selectively provide the first stream signal to the first stream demodulating unit.
    • 目的:提供一种卫星广播系统及其信号接收方法,以通过在死区中的ISM(工业,科学和医疗)频带接收高优先级流信号来提供SD(标准清晰度)图像信号。 构成:第一天线(2310)接收第一或第二频带的无线信号,第二天线(2340)接收第三频带的无线信号。 第一流解调单元(2320)通过第一频带解调第一流信号,第二流解调单元(2330)通过第二频带解调第二流信号。 再现单元再现解调的第一或第二流信号,间隙填充接收器(2350)响应于无线电信号强度以选择性地向第一流解调单元提供第一流信号。