KR101600486B1 - 중계기 백홀 상향링크에서 제어 정보의 전송 방법 및 장치 - Google Patents
중계기 백홀 상향링크에서 제어 정보의 전송 방법 및 장치 Download PDFInfo
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Abstract
Description
도 1은 기지국, 중계기 및 단말을 포함하는 무선 통신 시스템을 나타내는 도면이다.
도 2는 기지국, 중계기 및 단말 간의 링크를 설명하는 도면이다.
도 3은 3GPP LTE 시스템에서 사용되는 무선 프레임의 구조를 나타내는 도면이다
도 4는 하향링크 슬롯에서의 자원 그리드(resource grid)를 나타내는 도면이다.
도 5는 하향링크 서브프레임의 구조를 나타내는 도면이다.
도 6은 상향링크 서브프레임의 구조를 나타내는 도면이다.
도 7은 상향링크 물리 자원 블록에서 PUCCH의 자원 매핑 구조를 나타내는 도면이다.
도 8은 하나의 슬롯에 대한 ACK/NACK 정보의 채널의 구조를 나타내는 도면이다.
도 9는 짧은 ACK/NACK 포맷이 적용되는 경우의 자원 매핑 구조를 나타내는 도면이다.
도 10은 하나의 슬롯에 대한 스케줄링 요청의 채널의 구조를 나타내는 도면이다.
도 11은 ACK/NACK 정보와 스케줄링 요청의 동시 전송에 대한 자원 할당 구조를 나타내는 도면이다.
도 12는 하나의 슬롯에 대한 CQI 정보 비트의 채널 구조를 나타내는 도면이다.
도 13은 CQI 정보와 ACK/NACK 정보의 동시 전송에 관련된 채널 구조를 나타내는 도면이다.
도 14는 중계기의 백홀 상향링크 전송 및 액세스 상향링크 수신 서브프레임 구조를 나타내는 도면이다.
도 15는 백홀 상향링크 서브프레임에서 PUCCH 채널 구조를 나타내는 도면이다.
도 16은 백홀 상향링크 설정에 따른 가드 시간을 나타내는 도면이다.
도 17은 PUSCH 자원에 제어 정보가 매핑되는 구조를 나타내는 도면이다.
도 18은 본 발명에 따른 중계기, 기지국 장치 및 단말 장치를 포함하는 무선 통신 시스템의 바람직한 실시예의 구성을 도시한 도면이다.
Claims (14)
- 중계기에서 기지국으로 상향링크 제어 정보를 전송하는 방법으로서,
상기 기지국으로부터 하향링크 데이터를 수신하는 단계; 및
상기 기지국으로 PUCCH(physical uplink control channel)를 사용하여 상기 하향링크 데이터를 위한 HARQ(hybrid automatic repeat request)-ACK(acknowledgement)를 전송하는 단계를 포함하고,
상기 중계기에 의해 상기 HARQ-ACK를 상기 기지국으로 전송하기 위해 사용되는 할당된 PUCCH 자원은 상위 계층 시그널링에 의해 설정되고,
상기 중계기는 복수의 안테나들을 갖도록 설정되고 상기 안테나들 각각에 할당된 개별 PUCCH 자원을 사용하고,
상기 HARQ-ACK는 상기 복수의 안테나들을 통해 전송되고, 그리고
상기 복수의 안테나들 각각을 위한 PUCCH 자원은 상위 계층 시그널링에 의해 설정되는 것을 특징으로 하는, 상향링크 제어 정보 전송 방법. - 제 1 항에 있어서, 상기 HARQ-ACK는 PUCCH 포맷 1a 또는 1b를 사용하여 전송되는 것을 특징으로 하는, 상향링크 제어 정보 전송 방법.
- 제 1 항에 있어서, 상기 상위 계층 시그널링은 RRC(radio resource control) 시그널링인 것을 특징으로 하는, 상향링크 제어 정보 전송 방법.
- 제 1 항에 있어서, 상기 하향링크 데이터는 PDSCH(physical downlink shared channel)을 통해 수신되는 것을 특징으로 하는, 상향링크 제어 정보 전송 방법.
- 제 4 항에 있어서, 상기 PDSCH는 R-PDCCH(relay-physical downlink control channel)에 의해 지시되는 것을 특징으로 하는, 상향링크 제어 정보 전송 방법.
- 상향링크 제어 정보를 전송하기 위한 중계기로서,
기지국으로부터 하향링크 제어 정보 및 데이터를 수신하기 위한 수신 모듈;
상기 기지국으로 상기 상향링크 제어 정보 및 데이터를 전송하기 위한 송신 모듈;
상기 송신 모듈과 연결된 복수의 안테나들; 및
상기 수신 모듈 및 상기 송신 모듈과 연결된 프로세서를 포함하고,
상기 프로세서는 기 수신 모듈 및 상기 송신 모듈를 포함한 상기 중계기를 제어하고,
상기 프로세서는 상기 수신 모듈을 사용하여 하향링크 데이터를 수신하고;
상기 송신 모듈을 사용하여 PUCCH(physical uplink control channel)를 사용하여 상기 하향링크 데이터를 위한 HARQ(hybrid automatic repeat request)-ACK(acknowledgement)를 전송하도록 구성되고,
상기 중계기에 의해 상기 HARQ-ACK를 상기 기지국으로 전송하기 위해 사용되는 할당된 PUCCH 자원은 상위 계층 시그널링에 의해 설정되고,
상기 중계기는 상기 안테나들 각각에 할당된 개별 PUCCH 자원을 사용하고,
상기 HARQ-ACK는 상기 복수의 안테나들을 통해 전송되고, 그리고
상기 복수의 안테나들 각각을 위한 PUCCH 자원은 상위 계층 시그널링에 의해 설정되는 것을 특징으로 하는, 중계기.
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Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18211209P | 2009-05-29 | 2009-05-29 | |
| US61/182,112 | 2009-05-29 | ||
| US18596409P | 2009-06-10 | 2009-06-10 | |
| US61/185,964 | 2009-06-10 | ||
| US26212709P | 2009-11-17 | 2009-11-17 | |
| US61/262,127 | 2009-11-17 |
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| Publication Number | Publication Date |
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| KR20120038399A KR20120038399A (ko) | 2012-04-23 |
| KR101600486B1 true KR101600486B1 (ko) | 2016-03-07 |
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| WO (1) | WO2010137926A2 (ko) |
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| US20120069793A1 (en) | 2012-03-22 |
| WO2010137926A2 (ko) | 2010-12-02 |
| US20160006498A1 (en) | 2016-01-07 |
| US20140286233A1 (en) | 2014-09-25 |
| US8780784B2 (en) | 2014-07-15 |
| KR20120038399A (ko) | 2012-04-23 |
| WO2010137926A3 (ko) | 2011-02-24 |
| US9385801B2 (en) | 2016-07-05 |
| US9160514B2 (en) | 2015-10-13 |
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