KR101000264B1 - 공유된 시그널링 채널 - Google Patents
공유된 시그널링 채널 Download PDFInfo
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- KR101000264B1 KR101000264B1 KR1020097027186A KR20097027186A KR101000264B1 KR 101000264 B1 KR101000264 B1 KR 101000264B1 KR 1020097027186 A KR1020097027186 A KR 1020097027186A KR 20097027186 A KR20097027186 A KR 20097027186A KR 101000264 B1 KR101000264 B1 KR 101000264B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/0012—Hopping in multicarrier systems
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- H—ELECTRICITY
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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
Description
Claims (27)
- 복수의 서브 캐리어들을 포함하는 무선 통신 시스템에서 메시지들을 생성하는 방법으로서,순방향 링크에 대해 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 자원들을 할당하는 단계;상기 순방향 링크를 통한 전송을 위해 적어도 하나의 메시지를 생성하는 단계 ― 각각의 메시지는 특정 액세스 단말에 대한 유니캐스트 메시지 또는 복수의 액세스 단말들에 대한 멀티캐스트 또는 브로드캐스트 메시지임 ―;적어도 하나의 메시지 심벌을 생성하기 위해서 상기 적어도 하나의 메시지를 인코딩하는 단계; 및상기 적어도 하나의 메시지 심벌에 기반하여 상기 시그널링 채널에 할당되는 상기 자원들 중 적어도 일 부분을 변조하는 단계를 포함하는, 메시지 생성 방법.
- 제1항에 있어서,상기 시그널링 채널에 할당되는 미리 결정된 대역폭 내의 적어도 하나의 서브 캐리어를 포함하는, 복수의 서브 캐리어들을 OFDM 심벌로 변환하는 단계; 및무선 통신 링크를 통해 상기 OFDM 심벌을 전송하는 단계를 더 포함하는, 메시지 생성 방법.
- 제1항에 있어서,상기 자원들을 할당하는 단계는상기 시그널링 채널에 상기 복수의 서브 캐리어들의 서브세트를 할당하는 단계를 포함하며, 상기 서브세트는 상기 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 복수의 서브 캐리어들을 포함하는, 메시지 생성 방법.
- 제3항에 있어서, 상기 복수의 서브 캐리어들의 서브세트는 주파수 호핑 알고리즘에 의해 주기적으로 변하는, 메시지 생성 방법.
- 제1항에 있어서, 상기 자원들을 할당하는 단계는상기 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 한 세트의 논리 자원들을 상기 시그널링 채널에 할당하는 단계; 및상기 복수의 서브 캐리어들의 서브세트에 상기 한 세트의 논리 자원들을 매핑하는 단계를 포함하는, 메시지 생성 방법.
- 제5항에 있어서, 상기 한 세트의 논리 자원들을 매핑하는 단계는 주파수 호핑 알고리즘에 기반하여 상기 복수의 서브 캐리어들의 상기 서브세트에 상기 한 세트의 논리 자원들을 매핑하는 단계를 포함하는, 메시지 생성 방법.
- 제1항에 있어서,특정 액세스 단말의 채널 품질에 기반하여 상기 특정 액세스 단말에 대한 유니캐스트 메시지의 전력 밀도를 설정하는 단계를 더 포함하는, 메시지 생성 방법.
- 제1항에 있어서,상기 복수의 액세스 단말들 중에서 가장 열악한(worst) 통신 링크를 가지는 액세스 단말의 채널 품질에 기반하여 복수의 액세스 단말들에 대한 멀티캐스트 또는 브로드캐스트 메시지의 전력 밀도를 설정하는 단계를 더 포함하는, 메시지 생성 방법.
- 제1항에 있어서, 상기 적어도 하나의 메시지를 인코딩하는 단계는복수의 메시지들을 집합시키는(aggregate) 단계; 및상기 복수의 메시지들을 결합하여(jointly) 인코딩하는 단계를 포함하는, 메시지 생성 방법.
- 제1항에 있어서, 상기 자원들 중 적어도 일 부분을 변조하는 단계는상기 적어도 하나의 메시지 심벌로부터의 제 1 메시지 심벌을 이용하여 상기 시그널링 채널에 할당되는 제 1 서브 캐리어를 변조하는 단계; 및상기 적어도 하나의 메시지 심벌로부터의 제 2 메시지 심벌을 이용하여 상기 시그널링 채널로 할당되는 제 2 서브 캐리어를 변조하는 단계를 포함하는, 메시지 생성 방법.
- 제1항에 있어서, 상기 자원들 중 적어도 일 부분을 변조하는 단계는 상기 시그널링 채널에 할당되는 적어도 두 개의 서브 캐리어들에 걸쳐 상기 적어도 하나의 메시지 심벌을 인터리빙(interleave)하는 단계를 포함하는,메시지 생성 방법.
- 복수의 서브 캐리어들을 포함하는 무선 통신 시스템에서 메시지들을 생성하기 위한 장치로서,순방향 링크에 대해 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 자원들을 할당하기 위한 수단;상기 순방향 링크를 통한 전송을 위해 적어도 하나의 메시지를 생성하기 위한 수단 ― 각각의 메시지는 특정 액세스 단말에 대한 유니캐스트 메시지 또는 복수의 액세스 단말들에 대한 멀티캐스트 또는 브로드캐스트 메시지임 ―;적어도 하나의 메시지 심벌을 생성하기 위해서 상기 적어도 하나의 메시지를 인코딩하기 위한 수단; 및상기 적어도 하나의 메시지 심벌에 기반하여 상기 시그널링 채널에 할당되는 상기 자원들 중 적어도 일 부분을 변조하기 위한 수단을 포함하는, 메시지 생성 장치.
- 제12항에 있어서, 상기 자원들을 할당하기 위한 수단은 상기 시그널링 채널에 상기 복수의 서브 캐리어들의 서브세트를 할당하기 위한 수단을 포함하며, 상기 서브세트는 상기 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 복수의 서브 캐리어들을 포함하는, 메시지 생성 장치.
- 제12항에 있어서, 상기 자원들을 할당하기 위한 수단은상기 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 한 세트의 논리 자원들을 상기 시그널링 채널에 할당하기 위한 수단; 및상기 복수의 서브 캐리어들의 서브세트에 상기 한 세트의 논리 자원들을 매핑하기 위한 수단을 포함하는, 메시지 생성 장치.
- 제12항에 있어서,특정 액세스 단말의 채널 품질에 기반하여 상기 특정 액세스 단말에 대한 유니캐스트 메시지의 전력 밀도를 설정하기 위한 수단을 더 포함하는, 메시지 생성 장치.
- 제12항에 있어서,상기 복수의 액세스 단말들 중에서 가장 열악한 통신 링크를 가지는 액세스 단말의 채널 품질에 기반하여 복수의 액세스 단말들에 대한 멀티캐스트 또는 브로드캐스트 메시지의 전력 밀도를 설정하기 위한 수단을 더 포함하는, 메시지 생성 장치.
- 복수의 서브 캐리어들을 포함하는 무선 통신 시스템에서 메시지들을 수신하는 방법으로서,순방향 링크에 대한 시그널링 채널에 할당되는 자원들을 결정하는 단계;적어도 하나의 수신된 메시지 심벌을 획득하기 위해 상기 시그널링 채널에 할당되는 상기 자원들의 적어도 일 부분을 복조하는 단계; 및상기 시그널링 채널을 통해 전송된 적어도 하나의 메시지를 획득하기 위해 상기 적어도 하나의 수신된 메시지 심벌을 디코딩하는 단계를 포함하고, 상기 시그널링 채널을 통해 전송된 각각의 메시지는 특정 액세스 단말에 대한 유니캐스트 메시지 또는 복수의 액세스 단말들에 대한 멀티캐스트 또는 브로드캐스트 메시지인, 메시지 수신 방법.
- 제17항에 있어서, 상기 복조하는 단계는,무선 통신 링크를 통해 OFDM 심벌을 수신하는 단계;상기 복수의 서브 캐리어들에 대한 복수의 수신된 심벌들을 획득하기 위해 상기 OFDM 심벌을 변환(transform)하는 단계; 및상기 시그널링 채널에 할당되는 미리 결정된 대역폭 내의 적어도 하나의 서브 캐리어로부터 상기 적어도 하나의 수신된 메시지 심벌을 획득하는 단계를 포함하는, 메시지 수신 방법.
- 제17항에 있어서, 상기 시그널링 채널에 할당되는 자원들을 결정하는 단계는 상기 시그널링 채널에 할당되는 상기 복수의 서브 캐리어들의 서브세트를 결정하는 단계를 포함하고, 상기 서브세트는 상기 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 복수의 서브 캐리어들을 포함하는, 메시지 수신 방법.
- 제19항에 있어서, 상기 시그널링 채널에 할당된 상기 복수의 서브 캐리어들의 서브세트는 주파수 호핑 알고리즘에 의해 주기적으로 변하는, 메시지 수신 방법.
- 제17항에 있어서, 상기 시그널링 채널에 할당되는 자원들을 결정하는 단계는상기 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 한 세트의 논리 자원들을 결정하는 단계; 및상기 한 세트의 논리 자원들에 기반하여 상기 시그널링 채널에 할당되는 상기 복수의 서브 캐리어들의 서브세트를 결정하는 단계를 포함하는, 메시지 수신 방법.
- 제21항에 있어서, 상기 복수의 서브 캐리어들의 서브세트를 결정하는 단계는 주파수 호핑 알고리즘에 추가적으로 기반하여 상기 시그널링 채널에 할당되는 상기 복수의 서브 캐리어들의 서브세트를 결정하는 단계를 포함하는, 메시지 수신 방법.
- 제17항에 있어서, 상기 적어도 하나의 수신된 메시지 심벌을 디코딩하는 단계는 상기 시그널링 채널을 통한 전송 이전에 함께 집합되고 그리고 결합하여 인코딩되는 복수의 메시지들을 획득하기 위해 상기 적어도 하나의 수신된 메시지 심벌을 디코딩하는 단계를 포함하는, 메시지 수신 방법.
- 복수의 서브 캐리어들을 포함하는 무선 통신 시스템에서 메시지들을 수신하기 위한 장치로서,순방향 링크에 대한 시그널링 채널에 할당되는 자원들을 결정하기 위한 수단;적어도 하나의 수신된 메시지 심벌을 획득하기 위해 상기 시그널링 채널에 할당되는 상기 자원들의 적어도 일 부분을 복조하기 위한 수단; 및상기 시그널링 채널을 통해 전송된 적어도 하나의 메시지를 획득하기 위해 상기 적어도 하나의 수신된 메시지 심벌을 디코딩하기 위한 수단을 포함하고, 상기 시그널링 채널을 통해 전송된 각각의 메시지는 특정 액세스 단말에 대한 유니캐스트 메시지 또는 복수의 액세스 단말들에 대한 멀티캐스트 또는 브로드캐스트 메시지인, 메시지 수신 장치.
- 제24항에 있어서, 상기 시그널링 채널에 할당되는 자원들을 결정하기 위한 수단은 상기 시그널링 채널에 할당되는 상기 복수의 서브 캐리어들의 서브세트를 결정하기 위한 수단을 포함하고, 상기 서브세트는 상기 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 복수의 서브 캐리어들을 포함하는, 메시지 수신 장치.
- 제24항에 있어서, 상기 시그널링 채널에 할당되는 자원들을 결정하기 위한 수단은상기 시그널링 채널에 할당되는 미리 결정된 대역폭에 대응하는 한 세트의 논리 자원들을 결정하기 위한 수단; 및상기 한 세트의 논리 자원들에 기반하여 상기 시그널링 채널에 할당되는 상기 복수의 서브 캐리어들의 서브세트를 결정하기 위한 수단을 포함하는, 메시지 수신 장치.
- 제24항에 있어서, 상기 적어도 하나의 수신된 메시지 심벌을 디코딩하기 위한 수단은 상기 시그널링 채널을 통한 전송 이전에 함께 집합되고 그리고 결합하여 인코딩되는 복수의 메시지들을 획득하기 위해 상기 적어도 하나의 수신된 메시지 심벌을 디코딩하기 위한 수단을 포함하는, 메시지 수신 장치.
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