KR20150084770A - 데이터 전송 방법 및 장치와, 데이터 전송 방법 및 장치 - Google Patents
데이터 전송 방법 및 장치와, 데이터 전송 방법 및 장치 Download PDFInfo
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Abstract
Description
도 1은 무선 통신 시스템에서 사용되는 무선 프레임 구조의 일 예를 나타낸 것이다.
도 2는 무선 통신 시스템에서 하향링크/상향링크(DL/UL) 슬롯 구조의 일례를 나타낸 것이다.
도 3은 무선 통신 시스템에서 사용되는 하향링크 서브프레임(subframe) 구조를 예시한 것이다.
도 4는 무선 통신 시스템에 사용되는 상향링크(uplink, UL) 서브프레임 구조의 일례를 나타낸 것이다.
도 5 는 단일 반송파 통신과 다중 반송파 통신을 설명하기 위한 도면이다.
도 6 은 PDCCH(Physical Downlink Control Channel) 혹은 EPDCCH(Enhanced PDCCH)와 PDCCH/EPDCCH 에 의해 스케줄링되는 데이터 채널을 예시한 것이다.
도 7은 본 발명을 수행하는 전송 장치(10) 및 수신 장치(20)의 구성요소를 나타내는 블록도이다.
도 8 은 물리 채널 처리의 개요(overview)를 예시한 것이다.
도 9 는 셀 특정적 참조 신호(cell specific reference signal, CRS)와 UE 특정적 참조신호(user specific reference signal, UE-RS)를 예시한 것이다.
도 10 은 번들된 서브프레임 모음(bundled subframe set)의 설정에 관한 본 발명의 실시예들을 예시한 것이다.
도 11 ~ 도 14 는 번들된 서브프레임들을 위한 HARQ(Hybrid Automatic Repeat Request) 프로세스에 관한 본 발명의 실시예들을 예시한 것이다.
도 15 는 4 개의 고정적 중복 버전(redundancy version, RV)의 시작 위치를 사용하는 HARQ 전송을 나타낸다.
도 16은 번들된 서브프레임들을 위한 RV의 적용에 관한 본 발명의 실시예들을 예시한 것이다.
Claims (20)
- 전송 장치가 데이터를 전송함에 있어서,
번들된 서브프레임 모음에서 상기 데이터와 상기 데이터와 연관된 참조 신호를 전송하는 것을 포함하며,
상기 복수의 서브프레임들에 걸쳐 상기 참조 신호는 동일한 참조 신호 시퀀스를 가지거나, 적어도 동일한 셀 식별자 혹은 동일한 스크램블링을 이용하여 생성된 참조 신호 시퀀스를 가지고,
상기 참조 신호는 동일한 프리코딩 행렬로 프리코딩되어 상기 번들된 서브프레임 모음 내 복수의 서브프레임들 각각에서 전송되는,
데이터 전송 방법. - 제1항에 있어서,
상기 참조 신호는 상기 복수의 서브프레임들에서 동일한 전송 블록 상에서 전송되는,
데이터 전송 방법. - 제1항에 있어서,
상기 데이터에 대한 ACK/NACK(Acknowledgement/Negative ACK) 정보를 상기 번들된 서브프레임의 마지막 서브프레임 n 후의 네 번째 서브프레임인 서브프레임 n+4에서 수신하는 것을 더 포함하는,
데이터 전송 방법. - 제2항에 있어서,
상기 ACK/NACK(Acknowledgement/Negative ACK) 정보가 NACK이면, 서브프레임 n+13에서 상기 데이터에 대한 재전송을 수행하는 것을 더 포함하는,
데이터 전송 방법. - 제1항에 있어서,
상기 데이터는 동일한 중복 버전(redundancy version)을 사용하여 상기 번들된 서브프레임 모음 내 적어도 둘 이상의 서브프레임들에서 각각 전송되는,
데이터 전송 방법. - 수신 장치가 데이터를 수신함에 있어서,
번들된 서브프레임 모음에서 상기 데이터와 참조 신호를 수신; 및
상기 참조 신호를 기반으로 상기 데이터를 복호하는 것을 포함하며,
상기 참조 신호는 상기 번들된 서브프레임 모음 내 복수의 서브프레임들 각각에서 수신되며,
상기 수신 장치는 상기 복수의 서브프레임들에 걸쳐 상기 참조 신호에 적용된 프리코딩 행렬이 동일하다고 가정하고,
상기 수신 장치는 상기 복수의 서브프레임들에 걸쳐 상기 참조 신호가 동일한 참조 신호 시퀀스를 가지거나, 적어도 동일한 셀 식별자 혹은 동일한 스크램블링을 이용하여 생성된 참조 신호 시퀀스를 가진다고 가정하는,
데이터 수신 방법. - 제6항에 있어서,
상기 참조 신호는 상기 복수의 서브프레임들에서 동일한 전송 블록 상에서 수신되는,
데이터 수신 방법. - 제6항에 있어서,
상기 데이터에 대한 ACK/NACK(Acknowledgement/Negative ACK) 정보를 상기 번들된 서브프레임의 마지막 서브프레임 n 후의 네 번째 서브프레임인 서브프레임 n+4에서 전송하는 것을 더 포함하는,
데이터 수신 방법. - 제8항에 있어서,
상기 ACK/NACK(Acknowledgement/Negative ACK) 정보가 NACK이면, 서브프레임 n+13에서 상기 데이터에 대한 재전송을 수신하는 것을 더 포함하는,
데이터 수신 방법. - 제6항에 있어서,
상기 데이터는 상기 번들된 서브프레임 모음 내 적어도 둘 이상의 서브프레임들에서 각각 수신되고,
상기 수신 장치는 상기 적어도 둘 이상의 서브프레임들에 걸쳐 상기 데이터가 동일한 중복 버전(redundancy version)을 갖는다고 가정하는,
데이터 수신 방법. - 전송 장치가 데이터를 전송함에 있어서,
무선 주파수(radio frequency, RF) 유닛, 및
상기 RF 유닛을 제어하도록 구성된 프로세서를 포함하되, 상기 프로세서는 번들된 서브프레임 모음에서 상기 데이터와 상기 데이터와 연관된 참조 신호를 전송하도록 상기 RF 유닛을 제어하되,
상기 프로세서는 상기 번들된 서브프레임 내 복수의 복수의 서브프레임들에 걸쳐 동일한 참조 신호 시퀀스를 가지거나, 적어도 동일한 셀 식별자 혹은 동일한 스크램블링을 이용하여 생성된 참조 신호 시퀀스를 가지도록 상기 참조 신호를 생성하며,
상기 프로세서는 상기 참조 신호를 상기 복수의 서브프레임들에 걸쳐 동일한 프리코딩 행렬로 프리코딩하도록 구성되고, 상기 프리코딩된 참조 신호를 상기 복수의 서브프레임들 각각에서 전송하도록 상기 RF 유닛을 제어하는,
데이터 전송 장치. - 제11항에 있어서,
상기 프로세서는 상기 참조 신호를 상기 복수의 서브프레임들에서 동일한 전송 블록 상에서 전송하도록 상기 RF 유닛을 제어하는,
데이터 전송 장치. - 제11항에 있어서,
상기 프로세서는 상기 데이터에 대한 ACK/NACK(Acknowledgement/Negative ACK) 정보를 상기 번들된 서브프레임의 마지막 서브프레임 n 후의 네 번째 서브프레임인 서브프레임 n+4에서 수신하도록 상기 RF 유닛을 제어하는 것을 더 포함하는,
데이터 전송 장치. - 제12항에 있어서,
상기 프로세서는 상기 ACK/NACK(Acknowledgement/Negative ACK) 정보가 NACK이면, 서브프레임 n+13에서 상기 데이터에 대한 재전송을 수행하도록 상기 RF 유닛을 더 제어하는,
데이터 전송 장치. - 제11항에 있어서,
상기 프로세서는 상기 데이터를 동일한 중복 버전(redundancy version)을 사용하여 상기 번들된 서브프레임 모음 내 적어도 둘 이상의 서브프레임들에서 각각 전송하도록 상기 RF 유닛을 제어하는,
데이터 전송 장치. - 수신 장치가 데이터를 수신함에 있어서,
무선 주파수(radio frequency, RF) 유닛, 및
상기 RF 유닛을 제어하도록 구성된 프로세서를 포함하되, 상기 프로세서는 번들된 서브프레임 모음에서 상기 데이터와 참조 신호를 수신하도록 상기 RF 유닛을 제어하고, 상기 참조 신호를 기반으로 상기 데이터를 복호하도록 구성되되,
상기 프로세서는 상기 참조 신호는 상기 번들된 서브프레임 모음 내 복수의 서브프레임들 각각에서 수신하도록 상기 RF 유닛을 제어하고,
상기 프로세서는 상기 복수의 서브프레임들에 걸쳐 상기 참조 신호에 적용된 프리코딩 행렬이 동일하다고 가정하도록 구성되며,
상기 프로세서는 상기 복수의 서브프레임들에 걸쳐 상기 참조 신호가 동일한 참조 신호 시퀀스를 가지거나, 적어도 동일한 셀 식별자 혹은 동일한 스크램블링을 이용하여 생성된 참조 신호 시퀀스를 가진다고 가정하도록 구성된,
데이터 수신 장치. - 제16항에 있어서,
상기 참조 신호는 상기 복수의 서브프레임들에서 동일한 전송 블록 상에서 수신되는,
데이터 수신 장치. - 제16항에 있어서,
상기 프로세서는 상기 데이터에 대한 ACK/NACK(Acknowledgement/Negative ACK) 정보를 상기 번들된 서브프레임의 마지막 서브프레임 n 후의 네 번째 서브프레임인 서브프레임 n+4에서 전송하도록 상기 RF 유닛을 제어하는,
데이터 수신 장치. - 제18항에 있어서,
상기 프로세서는 상기 ACK/NACK(Acknowledgement/Negative ACK) 정보가 NACK이면, 서브프레임 n+13에서 상기 데이터에 대한 재전송을 수신하도록 상기 RF 유닛을 제어하는,
데이터 수신 장치. - 제16항에 있어서,
상기 데이터는 상기 번들된 서브프레임 모음 내 적어도 둘 이상의 서브프레임들에서 각각 수신되고,
상기 프로세서는 상기 적어도 둘 이상의 서브프레임들에 걸쳐 상기 데이터가 동일한 중복 버전(redundancy version)을 갖는다고 가정하는,
데이터 수신 장치.
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WO2014077577A1 (ko) | 2014-05-22 |
CN104798329A (zh) | 2015-07-22 |
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