KR100930637B1 - 이동 애드호크 네트워크에서 소프트웨어 아키텍쳐프로토콜 스택의 인터넷 프로토콜 라우팅 계층 아래에내장된 라우팅 알고리즘 - Google Patents
이동 애드호크 네트워크에서 소프트웨어 아키텍쳐프로토콜 스택의 인터넷 프로토콜 라우팅 계층 아래에내장된 라우팅 알고리즘 Download PDFInfo
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Abstract
Description
Claims (26)
- 무선 이동 애드호크 통신 네트워크에서 적어도 하나의 정보 패킷을 전송하는 데 사용하게 되어 있는 송신기를 제어하는 방법으로서,상기 패킷과 관련된 서비스 품질(QoS)을 확인하는 확인 단계와;상기 송신기가 상기 무선 이동 애드호크 통신 네트워크 내의 노드로 상기 패킷의 전송을 시도하도록 제어하는 제어 단계와;상기 노드로 상기 패킷을 전송하려는 상기 시도가 실패하였다고 판정될 때 상기 패킷과 관련된 상기 QoS에 기초하여 상기 전송의 시도로부터 적어도 하나의 기간에, 상기 송신기가 상기 무선 이동 애드호크 통신 네트워크 내의 상기 노드로 상기 패킷의 재전송을 시도하도록 제어하는 제어 단계;를 포함하는 것인 송신기 제어 방법.
- 제1항에 있어서,상기 두 제어 단계를 수행하기 전에, 상기 패킷과 관련된 상기 QoS에 기초한 전송을 기다리기 위해 상기 패킷을 전송 큐 내의 한 위치에 배치하는 단계;를 더 포함하는 송신기 제어 방법.
- 제2항에 있어서,관련 QoS를 갖는 데이터 패킷은, 상기 데이터 패킷의 상기 관련 QoS보다 낮은 값의 다른 관련 QoS를 갖는 다른 데이터 패킷보다 앞서 전송하기 위해, 상기 전송 큐 내의 한 위치에 배치되는 것인 송신기 제어 방법.
- 제2항에 있어서,음성 데이터를 포함하는 데이터 패킷은 스트리밍 미디어를 포함하는 데이터 패킷보다 앞서 전송하기 위해 상기 전송 큐 내의 한 위치에 배치되고, 스트리밍 미디어를 포함하는 데이터 패킷은 비음성 데이터 또는 비스트리밍 미디어 데이터를 포함하는 데이터 패킷보다 앞서 전송하기 위해 상기 전송 큐 내의 한 위치에 배치되는 것인 송신기 제어 방법.
- 제1항에 있어서,관련 QoS를 갖는 데이터 패킷에 대한 상기 기간 사이의 길이는, 상기 데이터 패킷의 상기 관련 QoS보다 낮은 값의 다른 관련 QoS를 갖는 다른 데이터 패킷보다 짧은 것을 특징으로 하는 송신기 제어 방법.
- 제1항에 있어서,상기 전송 시도가 있을 때부터 시작하여 지속 기간을 모니터링하는 단계와;상기 기간에서의 상기 재전송 시도를 제어하는 상기 단계를 상기 지속 기간이 상기 패킷과 관련된 상기 QoS에 대한 원하는 지속 기간을 초과할 때까지 계속하는 단계를 더 포함하는 송신기 제어 방법.
- 제6항에 있어서,상기 지속 기간이 상기 패킷과 관련된 상기 QoS에 대한 상기 원하는 지속 기간을 초과할 때 상기 패킷을 폐기하는 단계;를 더 포함하는 송신기 제어 방법.
- 제6항에 있어서,상기 지속 기간의 길이는 상기 패킷과 관련된 상기 QoS의 크기가 증가함에 따라 감소하는 것인 송신기 제어 방법.
- 제6항에 있어서,음성 데이터를 포함하는 데이터 패킷에 대한 상기 지속 기간의 길이는 스트리밍 미디어를 포함하는 데이터 패킷에 대한 상기 지속 기간의 길이보다 작고, 스트리밍 미디어를 포함하는 데이터 패킷에 대한 상기 지속 기간의 길이는 비음성 데이터나 비스트리밍 미디어 데이터를 포함하는 데이터 패킷에 대한 상기 지속 기간의 길이보다 작은 것인 송신기 제어 방법.
- 무선 애드호크 통신 네트워크 내의 한 노드가 상기 네트워크 내의 다른 노드들의 존재를 확인하도록 제어하는 노드 제어 방법으로서,상기 노드가 자신의 브로드캐스트 범위 내의 다른 노드들 중 적어도 하나의 노드들에 의해 수신될 적어도 하나의 메시지를 전송하도록 제어하는 제어 단계와;상기 노드가 상기 다른 노드들 중 적어도 하나의 노드들에 의해 전송된 상기 적어도 하나의 메시지에 대한 응답을 수신하도록 제어하는 제어 단계와;상기 응답에 기초하여 상기 노드에 대한 상기 다른 노드들 중 적어도 하나의 노드들의 각자의 식별자와 상기 노드가 다른 네트워크와 통신하기 위한 적어도 하나의 경로를 결정하는 경로 결정 단계;를 포함하고,상기 다른 네트워크는 상기 노드를 포함하지 않는 외부의 무선 애드호크 통신 네트워크인 것을 특징으로 하는 노드 제어 방법.
- 제10항에 있어서,상기 경로 결정 단계는 상기 노드가 상기 각자의 응답을 수신하는 각자의 전력 레벨에 기초하여 상기 다른 노드들 중 적어도 하나의 노드들의 상기 각자의 식별자를 결정하는 것인 노드 제어 방법.
- 제10항에 있어서,상기 경로 결정 단계는 상기 각자의 응답에 기초하여 상기 다른 노드들 중 적어도 하나의 노드들의 각자의 위치를 결정하는 단계를 더 포함하는 것인 노드 제어 방법.
- 제10항에 있어서,상기 노드에 의해 전송된 상기 메시지들 중 적어도 하나는 상기 노드의 위치에 관한 정보 및 상기 노드가 위치 기준으로서 기능하는지 여부의 표시를 포함하는 것인 노드 제어 방법.
- 복수의 노드를 포함하는 이동 애드호크 라우팅 네트워크에서 소스 노드와 목적지 노드 사이에 적어도 하나의 데이터 패킷을 라우팅하는 방법으로서,상기 소스 노드가 상기 데이터 패킷을 전송하는 데 소모할 수 있게 허용된 에너지량, 상기 소스 노드와 상기 목적지 노드 사이의 홉으로서 허용된 다른 노드의 수, 상기 소스 노드와 상기 목적지 노드를 포함하는 상기 네트워크의 영역 내에서의 데이터 혼잡 정도, 그리고 상기 소스 노드의 전원에 남아 있는 전력량에 기초하여, 상기 소스 노드와 상기 목적지 노드 사이에 상기 데이터 패킷을 라우팅하기 위한 적어도 하나의 라우팅 경로를 결정하는 경로 결정 단계와;상기 소스 노드가 상기 데이터 패킷을 상기 결정된 라우팅 경로를 따라 상기 목적지 노드로 전송하도록 제어하는 제어 단계를 포함하는 것인 데이터 패킷 라우팅 방법.
- 제14항에 있어서,상기 경로 결정 단계는 상기 소스 노드와 상기 목적지 노드 사이에서 상기 데이터 패킷을 라우팅하는 데 이용가능한 복수의 라우팅 경로를 결정하는 것인 데이터 패킷 라우팅 방법.
- 복수의 노드를 포함하는 이동 애드호크 통신 네트워크에서 소스 노드와 목적지 노드 사이에서 적어도 하나의 데이터 패킷을 라우팅하기 위한 적어도 하나의 경로를 결정하는 방법으로서,상기 각자의 노드의 각자의 특성에 기초하여 상기 데이터 패킷을 상기 목적지 노드로 라우팅하기 위해, 상기 노드들 중 상기 소스 노드가 사용할 수 있는 적어도 하나의 노드들을 식별하는 식별 단계와;상기 식별된 노드들을 가용 노드의 그룹에 포함시키는 포함 단계와;상기 데이터 패킷을 상기 소스 노드로부터 상기 목적지 노드로 라우팅하기 위해 상기 식별하는 단계에서 식별된 상기 가용 노드들 중 적어도 하나를 포함한 경로를 결정하는 경로 결정 단계;를 포함하고,상기 특성은 상기 각자의 노드가 상기 이동 애드호크 통신 네트워크에서 수행하는 기능인 것을 특징으로 하는 경로 결정 방법.
- 제16항에 있어서,상기 노드들 중의 적어도 하나의 특성의 변화나 상기 소스 노드의 위치의 변화 또는 양자 모두에 기초하여, 상기 가용 노드의 그룹으로부터 상기 노드들 중 상기 적어도 하나를 제거하는 단계를 더 포함하는 경로 결정 방법.
- 제16항에 있어서,상기 각자의 노드와 관련된 상기 각자의 특성은,상기 각자의 노드가 이하의 유형의 노드들, 즉상기 소스 노드에 다른 네트워크 또는 상기 네트워크의 다른 부분으로의 접속을 제공할 수 있는 접속 노드와;상기 소스 노드의 이웃 노드와;상기 소스 노드의 적어도 하나의 이웃 노드의 이웃과;데이터 트래픽의 소스 또는 싱크로 기능하는 단말 노드와;상기 소스 노드의 이웃 노드가 아닌 무선 라우터; 중 적어도 하나로써 수행하는 기능을 나타내고,상기 다른 네트워크는 상기 노드를 포함하지 않는 외부의 무선 애드호크 통신 네트워크인 것을 특징으로 하는 경로 결정 방법.
- 제18항에 있어서,상기 포함 단계는 이하의 우선 순위, 즉 접속 노드가 최상위 우선 순위를 가지고, 이어서 차례대로 이웃 노드, 상기 이웃 노드의 이웃, 단말 노드가 그 다음 우선 순위를 가지며, 무선 라우팅이 최하위 우선 순위를 갖는 것에 기초하여 가용 노드의 상기 그룹에 노드를 포함시키는 것인 경로 결정 방법.
- 제18항에 있어서,이하의 우선 순위, 즉 제거의 경우는 접속 노드가 최하위 우선 순위를 가지고, 이어서 차례대로 이웃 노드, 상기 이웃 노드의 이웃, 단말 노드가 그 다음 우선 순위를 가지며, 제거의 경우 무선 라우팅이 최상위 우선 순위를 갖는 것에 기초하여 상기 노드들 중 적어도 하나를 제거하는 단계를 더 포함하는 경로 결정 방법.
- 제16항에 있어서,상기 각자의 노드로부터 상기 소스 노드가 수신한 적어도 하나의 메시지에 기초하여 상기 각자의 노드의 각자의 특성을 결정하는 단계를 더 포함하는 경로 결정 방법.
- 제21항에 있어서,상기 메시지는 상기 소스 노드에 이웃하는 노드와 다른 노드 사이의 연결의 전력 및 데이터 레이트에 관한 정보를 포함하는 것인 경로 결정 방법.
- 무선 애드호크 통신 네트워크 내의 노드가 상기 노드를 포함하지 않는 외부의 다른 무선 애드호크 통신 네트워크에 또는 상기 무선 애드호크 통신 네트워크의 다른 부분에 접속할 수 있도록 통로 기능을 하는 접속 노드를 식별할 수 있게 해주는 방법으로서,상기 노드가 상기 네트워크 내의 다른 노드들에 상기 노드와 연관된 상기 접속 노드의 식별 요청을 포함하는 메시지를 전송하도록 제어하는 단계와;상기 접속 노드로부터 상기 노드가 수신한 응답 메시지에 포함된 정보에 기초하여 상기 접속 노드를 상기 노드와 관련된 것으로 식별하는 단계;를 포함하는 접속 노드 식별 방법.
- 제23항에 있어서, 상기 노드는 상기 접속 노드로부터 상기 다른 노드들 중 적어도 하나를 통해 라우팅된 상기 응답 메시지를 수신하는 것인 접속 노드 식별 방법.
- 제23항에 있어서, 상기 노드가 적어도 하나의 데이터 패킷을 상기 다른 노드들 중 적어도 하나를 통해 상기 접속 노드로 전송하도록 제어하는 단계를 더 포함 하는 접속 노드 식별 방법.
- 제25항에 있어서,상기 노드가 적어도 하나의 데이터 패킷을 상기 접속 노드로 전송하도록 제어하는 단계는,상기 적어도 하나의 데이터 패킷을 상기 접속 노드로 유니캐스트 메시지로서 전송하도록 제어하는 것을 특징으로 하는 접속 노드 식별 방법.
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- 2002-05-31 KR KR1020037016141A patent/KR100930637B1/ko active IP Right Grant
- 2002-05-31 JP JP2003505856A patent/JP2004531971A/ja active Pending
- 2002-05-31 EP EP02741747A patent/EP1395942A4/en not_active Withdrawn
- 2002-05-31 CA CA2450224A patent/CA2450224C/en not_active Expired - Lifetime
- 2002-05-31 AU AU2002314824A patent/AU2002314824A1/en not_active Abandoned
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CA2450224A1 (en) | 2002-12-27 |
JP2004531971A (ja) | 2004-10-14 |
CA2450224C (en) | 2012-06-19 |
EP1395942A2 (en) | 2004-03-10 |
US7756041B2 (en) | 2010-07-13 |
KR20040014551A (ko) | 2004-02-14 |
WO2002103610A3 (en) | 2003-07-03 |
US20020191573A1 (en) | 2002-12-19 |
WO2002103610A2 (en) | 2002-12-27 |
EP1395942A4 (en) | 2009-07-22 |
AU2002314824A1 (en) | 2003-01-02 |
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