KR20170015969A - 상향링크 신호 전송 방법 및 사용자기기와, 상향링크 신호 수신 방법 및 기지국 - Google Patents
상향링크 신호 전송 방법 및 사용자기기와, 상향링크 신호 수신 방법 및 기지국 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(downlink, DL)/상향링크(uplink, UL) 슬롯 구조의 일례를 나타낸 것이다.
도 3은 동기 신호(synchronization signal, SS)의 전송을 위한 무선 프레임 구조를 예시한 것이다.
도 4는 무선 통신 시스템에서 사용되는 하향링크 서브프레임(subframe) 구조를 예시한 것이다.
도 5는 무선 통신 시스템에 사용되는 상향링크(uplink, UL) 서브프레임 구조의 일례를 나타낸 것이다.
도 6은 상향링크-하향링크 프레임 타이밍 관계를 예시한다.
도 7은 단일 반송파 통신과 다중 반송파 통신을 설명하기 위한 도면이다.
도 8은 반송파 집성을 지원하는 시스템에서 셀들의 상태를 예시한 것이다.
도 10은 면허 대역인 3GPP LTE-A 대역과 비면허 대역(이하,LTE-U 대역)의 반송파 집성 상황을 예시한 것이다.
도 11은 예약 자원 구간(reserved resource period, RRP)의 서브프레임 구성을 예시한 것이다.
도 12는 UE가 2개의 셀들로써 설정되어 있고, 각 셀에 대해 서로 다른 타이밍 어드밴스(timing advance, TA)를 적용하여 UL 신호를 전송하는 상황을 예시한다.
도 13은 본 발명을 수행하는 전송장치(10) 및 수신장치(20)의 구성요소를 나타내는 블록도이다.
DL-UL configuration | Downlink-to-Uplink Switch-point periodicity | Subframe number | |||||||||
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||
0 | 5ms | D | S | U | U | U | D | S | U | U | U |
1 | 5ms | D | S | U | U | D | D | S | U | U | D |
2 | 5ms | D | S | U | D | D | D | S | U | D | D |
3 | 10ms | D | S | U | U | U | D | D | D | D | D |
4 | 10ms | D | S | U | U | D | D | D | D | D | D |
5 | 10ms | D | S | U | D | D | D | D | D | D | D |
6 | 5ms | D | S | U | U | U | D | S | U | U | D |
Special subframe configuration | Normal cyclic prefix in downlink | Extended cyclic prefix in downlink | ||||
DwPTS | UpPTS | DwPTS | UpPTS | |||
Normal cyclic prefix in uplink | Extended cyclic prefix in uplink | Normal cyclic prefix in uplink | Extended cyclic prefix in uplink | |||
0 | 6592·Ts | 2192·Ts | 2560·Ts | 7680·Ts | 2192·Ts | 2560·Ts |
1 | 19760·Ts | 20480·Ts | ||||
2 | 21952·Ts | 23040·Ts | ||||
3 | 24144·Ts | 25600·Ts | ||||
4 | 26336·Ts | 7680·Ts | 4384·Ts | 5120·Ts | ||
5 | 6592·Ts | 4384·Ts | 5120·Ts | 20480·Ts | ||
6 | 19760·Ts | 23040·Ts | ||||
7 | 21952·Ts | - | - | - | ||
8 | 24144·Ts | - | - | - |
TDD UL/DLConfiguration | subframe number n | |||||||||
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
0 | 4 | 6 | 4 | 6 | ||||||
1 | 6 | 4 | 6 | 4 | ||||||
2 | 4 | 4 | ||||||||
3 | 4 | 4 | 4 | |||||||
4 | 4 | 4 | ||||||||
5 | 4 | |||||||||
6 | 7 | 7 | 7 | 7 | 5 |
Value of CSI request field | Description |
'00' | No aperiodic CSI report is triggered |
'01' | Aperiodic CSI report is triggered for serving cell c |
'10' | Aperiodic CSI report is triggered for a 1st set of serving cells configured by higher layers |
'11' | Aperiodic CSI report is triggered for a 2nd set of serving cells configured by higher layers |
Claims (10)
- 사용자기기가 상향링크 신호를 전송함에 있어서,
면허 대역에 설정된 제1 셀 상의 서브프레임 n에 할당된 물리 상향링크 공유 채널(physical uplink shared channel, PUSCH)(이하, 제1 셀 PUSCH)를 위한 전송 전력 PPUSCH_cell1와, 비면허 대역에 설정된 제2 셀 상의 상기 서브프레임 n에 할당된 PUSCH(이하, 제2 셀 PUSCH)를 위한 전송 전력 PPUSCH_cell2을 결정; 및
'P_max - PPUSCH_cell1'(여기서, P_max는 상기 사용자기기에게 설정된 최대 전력)와 PPUSCH_cell2 중 작은 값으로 상기 제2 셀 PUSCH를 상기 서브프레임 n에서 상기 제2 셀 상으로 전송 혹은 상기 서브프레임 n에서 상기 제2 셀 PUSCH의 전송을 포기하는 것을 포함하는,
상향링크 신호 전송 방법. - 제1 항에 있어서,
PPUSCH_cell2>'P_max - PPUSCH_cell1'이면, 상기 서브프레임 n에서 상기 제2 셀 PUSCH의 전송이 포기되는,
상향링크 신호 전송 방법. - 제1 항에 있어서,
상기 제2 셀 PUSCH가 주기적 채널 상태 정보(channel state information, CSI)를 나르면, 상기 주기적 CSI에 순환 리던던시 체크(cyclic redundancy check, CRC)를 부착(attach)하고, 상기 CRC 부착된 주기적 CSI를 상기 서브프레임 n에서 상기 제2 셀 PUSCH를 통해 전송하는 것을 포함하는,
상향링크 신호 전송 방법. - 제1 항에 있어서,
적어도 무선 자원 제어(radio resource control, RRC) 설정(configuration)에 대한 응답 메시지, 매체 접속 제어(medium access control, MAC) 명령(command)에 대한 응답 메시지, MAC 신호를 이용한 보고 또는 무선 자원 관리(radio resource management, RRM) 관련 보고를 포함하는 상향링크 데이터는 상기 서브프레임 n에서 상기 제2 셀 PUSCH이 아닌 상기 제1 셀 PUSCH 상으로 전송되는,
상향링크 신호 전송 방법. - 제1 항에 있어서,
상기 제2 셀이 속한 타이밍 어드밴스 그룹(timing advance group, TAG)이 상기 면허 대역 혹은 다른 면허 대역 상에서 설정된 제3 셀을 포함하고 상기 제3 셀이 시분할듀플렉스(TDD)로 설정된 경우, 상기 제2 셀 PUSCH는 특정 비-제로 타이밍 어드밴스 오프셋 값을 이용하여 상기 제2 셀 상으로 전송되고,
상기 제2 셀이 속한 상기 TAG가 상기 제3 셀을 포함하고 상기 제3 셀이 주파수분할듀플렉스(FDD)로 설정된 경우, 상기 제2 셀 PUSCH는 제로 타이밍 어드밴스 오프셋 값을 이용하여 상기 제2 셀 상으로 전송되는,
상향링크 신호 전송 방법. - 사용자기기가 상향링크 신호를 전송함에 있어서,
신호를 전송 혹은 수신하도록 구성된 무선 주파수(radio frequency, RF) 유닛과 상기 RF 유닛을 제어하도록 구성된 프로세서를 포함하되,
상기 프로세서는 면허 대역에 설정된 제1 셀 상의 서브프레임 n에 할당된 물리 상향링크 공유 채널(physical uplink shared channel, PUSCH)(이하, 제1 셀 PUSCH)를 위한 전송 전력 PPUSCH_cell1와, 비면허 대역에 설정된 제2 셀 상의 상기 서브프레임 n에 할당된 PUSCH(이하, 제2 셀 PUSCH)를 위한 전송 전력 PPUSCH_cell2을 결정하도록 구성되고; 'P_max - PPUSCH_cell1'(여기서, P_max는 상기 사용자기기에게 설정된 최대 전력)와 PPUSCH_cell2 중 작은 값으로 상기 제2 셀 PUSCH를 상기 서브프레임 n에서 상기 제2 셀 상으로 전송하도록 상기 RF 유닛을 제어하도록 구성 혹은 상기 서브프레임 n에서 상기 제2 셀 PUSCH의 전송을 포기하도록 구성된,
사용자기기. - 제6 항에 있어서,
PPUSCH_cell2>'P_max - PPUSCH_cell1'이면, 상기 프로세서는 상기 서브프레임 n에서 상기 제2 셀 PUSCH의 전송을 포기하도록 구성된,
사용자기기. - 제6 항에 있어서,
상기 제2 셀 PUSCH가 주기적 채널 상태 정보(channel state information, CSI)를 나르면, 상기 프로세서는 상기 주기적 CSI에 순환 리던던시 체크(cyclic redundancy check, CRC)를 부착(attach)하도록 구성되고, 상기 CRC 부착된 주기적 CSI를 상기 서브프레임 n에서 상기 제2 셀 PUSCH를 통해 전송하도록 상기 RF 유닛을 제어하도록 구성된,
사용자기기. - 제6 항에 있어서,
상기 프로세서는, 적어도 무선 자원 제어(radio resource control, RRC) 설정(configuration)에 대한 응답 메시지, 매체 접속 제어(medium access control, MAC) 명령(command)에 대한 응답 메시지, MAC 신호를 이용한 보고 또는 무선 자원 관리(radio resource management, RRM) 관련 보고를 포함하는 상향링크 데이터는 상기 서브프레임 n에서 상기 제2 셀 PUSCH이 아닌 상기 제1 셀 PUSCH 상으로 전송하도록 상기 RF 유닛을 제어하는,
사용자기기. - 제6 항에 있어서,
상기 프로세서는
상기 제2 셀이 속한 타이밍 어드밴스 그룹(timing advance group, TAG)이 상기 면허 대역 혹은 다른 면허 대역 상에서 설정된 제3 셀을 포함하고 상기 제3 셀이 시분할듀플렉스(TDD)로 설정된 경우, 상기 제2 셀 PUSCH를 특정 비-제로 타이밍 어드밴스 오프셋 값을 이용하여 상기 제2 셀 상으로 전송하도록 상기 RF 유닛을 제어하고,
상기 제2 셀이 속한 상기 TAG가 상기 제3 셀을 포함하고 상기 제3 셀이 주파수분할듀플렉스(FDD)로 설정된 경우, 상기 제2 셀 PUSCH를 제로 타이밍 어드밴스 오프셋 값을 이용하여 상기 제2 셀 상으로 전송하도록 상기 RF 유닛을 제어하는,
사용자기기.
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CN110855412A (zh) | 2020-02-28 |
EP3179644A1 (en) | 2017-06-14 |
US20170215157A1 (en) | 2017-07-27 |
WO2016021954A1 (ko) | 2016-02-11 |
US20170215172A1 (en) | 2017-07-27 |
CN106537995A (zh) | 2017-03-22 |
WO2016021958A1 (ko) | 2016-02-11 |
US20200068511A1 (en) | 2020-02-27 |
CN106537995B (zh) | 2019-12-10 |
CN110855412B (zh) | 2022-06-07 |
US10278141B2 (en) | 2019-04-30 |
EP3179644B1 (en) | 2019-11-20 |
KR102004834B1 (ko) | 2019-07-29 |
EP3179644A4 (en) | 2018-03-21 |
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