KR100658293B1 - 범용 이동 전화 시스템에서 유연한 무선 액세스 및 자원할당 - Google Patents
범용 이동 전화 시스템에서 유연한 무선 액세스 및 자원할당 Download PDFInfo
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- KR100658293B1 KR100658293B1 KR1020007011009A KR20007011009A KR100658293B1 KR 100658293 B1 KR100658293 B1 KR 100658293B1 KR 1020007011009 A KR1020007011009 A KR 1020007011009A KR 20007011009 A KR20007011009 A KR 20007011009A KR 100658293 B1 KR100658293 B1 KR 100658293B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
- H04W28/0263—Traffic management, e.g. flow control or congestion control per individual bearer or channel involving mapping traffic to individual bearers or channels, e.g. traffic flow template [TFT]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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- H—ELECTRICITY
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- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/12—Access point controller devices
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- 이동 무선국(30)과 멀티미디어 통신하는 범용 이동 전화 시스템(10)의 무선 액세스 네트워크(RAN)에서 사용하기 위한 방법으로서, 상기 무선 액세스 네트워크는:할당된 무선 자원을 사용하여 공중 인터페이스를 통해서 이동 무선국(30)과 통신하는 복수의 무선 기지국(28)과,상기 복수의 기지국(28)에 접속되는 무선 네트워크 제어기(26), 및RAN 인터페이스를 통해서 상기 무선 네트워크 제어기(26)에 각각 접속되는 제1 및 제2 외부 네트워크(12, 14)와 인터페이스 하는 제1 및 제2 서비스 노드(18, 20)를 포함하는, 이동 무선국(30)과 멀티미디어 통신하는 범용 이동 전화 시스템(10)의 무선 액세스 네트워크(RAN)에서 사용하기 위한 방법에 있어서,상기 하나의 서비스 노드로부터의 무선 액세스 베어러 요청에 응답하여 상기 서비스 노드들 중 한 노드에 무선 액세스 베어러 서비스를 제공하는 단계를 포함하는데, 상기 제공 단계는:(1) 상기 이동 무선국으로의 상기 RAN을 통해서 상기 하나의 서비스 노드 간에 논리적 접속을 설정하는 단계와,(2) 상기 무선 액세스 네트워크에서 트래픽 조건 및 상기 논리적 접속과 관련된 서비스 품질 파라미터를 포함한 하나 이상의 UMTS 트래픽 파라미터를 토대로 상기 논리적 접속을 위한 복수의 상이한 채널 타입들 중 하나를 선택하는 단계, 및,(3) 상기 서비스 품질이 지연에 민감할 때 전용 채널과의 간섭을 포함한 UMTS 트래픽 파라미터를 토대로 상기 논리적 접속을 매핑하고 상기 서비스 품질이 지연 허용 한계이고 상기 간섭 레벨이 임계값보다 아래일 때 상기 논리적 접속을 공통 채널에 매핑하는 단계를 포함하는 것을 특징으로 하는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
- 제 20 항에 있어서,전용 채널은 상기 무선 액세스 네트워크에 의해 제공되는 프레임 스트리밍 전달 서비스를 사용하고 공통 채널은 상기 무선 액세스 네트워크에 의해 제공되는 스케쥴링된 트랜스포트 서비스를 사용하는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
- 제 20 항에 있어서,상기 UMTS는 코드 분할 다중 접속 방식을 사용하고, 상기 전용 채널은 논리적 접속 동안 상기 이동 무선국에 할당되고 상기 이동 무선국에 의해서만 사용되는 스프레딩 코드를 포함하고, 상기 공통 채널은 상기 논리적 접속 동안 복수의 이동 무선국에 제공되고 상기 이동 무선국에 의해 사용될 수 있는 또 다른 스프레딩 코드를 포함하는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
- 제 20 항에 있어서,상기 UMTS 트래픽 파라미터는 전용 채널의 이용율의 표시를 더 포함하고, 상기 무선 액세스 네트워크는 상기 이용율이 낮을 때 상기 논리적 접속을 공통 채널로 매핑하는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
- 제 20 항에 있어서,상기 UMTS 트래픽 파라미터는 상기 공통 채널의 혼잡도의 표시를 더 포함하고, 상기 무선 액세스 네트워크는 상기 혼잡도가 높을 때 상기 논리적 접속을 전용 채널로 매핑하는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
- 제 20 항에 있어서,상기 논리적 접속은 4개의 트래픽 부류들, 즉 일정한 비트율 트래픽, 특정되지 않은 비트율 트래픽, 이용가능한 비트율 트래픽, 및 가변 비트율 트래픽 중 한 부류를 트랜스포트하도록 구성될 수 있고, 상기 무선 액세스 네트워크는 상기 접속과 관련된 4개의 트래픽 부류들 중 한 부류를 위하여 요청되는 비트율을 토대로 채널의 논리적 접속을 매핑하는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
- 제 20 항에 있어서,상기 이동 무선국과 관련된 상이한 논리적 접속들을 상기 전용 채널들 중 한 채널 상으로 다중화하는 단계, 및상기 상이한 논리적 접속들을 한 채널로서 취급하는 단계를 더 포함하는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
- 제 20 항에 있어서,전용 채널이 이미 상기 무선 액세스 네트워크 및 상기 이동 무선국 간에 존재할 때, 상기 무선 액세스 네트워크는 상기 논리적 접속을 상기 이미-존재하는 전용 채널로 매핑하는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
- 제 20 항에 있어서,상기 논리적 접속과 관련된 제어 시그널링은 일반적으로 상기 공통 채널 상에 전달되고, 전용 채널에 매핑되는 논리적 접속과 관련되는 제어 시그널링은 또한 동일한 전용 채널에 매핑되는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
- 제 20 항에 있어서,상기 RAN에서 트래픽 조건 또는 상기 논리적 접속과 관련된 서비스 품질 파라미터의 변화를 검출하는 단계, 및상기 검출된 변화를 토대로 상기 논리적 접속과 관련된 무선 채널 타입을 스위치하는 단계를 더 포함하는 이동 무선국과 멀티미디어 통신하는 범용 이동 전화 시스템의 무선 액세스 네트워크에서 사용하기 위한 방법.
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Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US8054898P | 1998-04-03 | 1998-04-03 | |
US60/080,548 | 1998-04-03 | ||
US09/283,248 US6374112B1 (en) | 1998-04-03 | 1999-04-01 | Flexible radio access and resource allocation in a universal mobile telephone system |
US09/283,248 | 1999-04-01 | ||
US9/283,248 | 1999-04-01 |
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KR20010042426A KR20010042426A (ko) | 2001-05-25 |
KR100658293B1 true KR100658293B1 (ko) | 2006-12-14 |
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KR1020007011009A KR100658293B1 (ko) | 1998-04-03 | 1999-04-01 | 범용 이동 전화 시스템에서 유연한 무선 액세스 및 자원할당 |
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Country | Link |
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US (1) | US6374112B1 (ko) |
EP (1) | EP1066729B1 (ko) |
JP (1) | JP4354641B2 (ko) |
KR (1) | KR100658293B1 (ko) |
CN (1) | CN1135013C (ko) |
AU (1) | AU756958B2 (ko) |
CA (1) | CA2326750C (ko) |
DE (1) | DE69925990T2 (ko) |
WO (1) | WO1999052307A1 (ko) |
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AU756958B2 (en) | 2003-01-30 |
CN1304619A (zh) | 2001-07-18 |
EP1066729A1 (en) | 2001-01-10 |
JP4354641B2 (ja) | 2009-10-28 |
KR20010042426A (ko) | 2001-05-25 |
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US6374112B1 (en) | 2002-04-16 |
CA2326750A1 (en) | 1999-10-14 |
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