KR102003246B1 - 반송파 집적 기술을 사용하는 무선통신시스템에서 부차반송파의 비활성화 방법 및 장치 - Google Patents
반송파 집적 기술을 사용하는 무선통신시스템에서 부차반송파의 비활성화 방법 및 장치 Download PDFInfo
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Abstract
Description
도 2는 본 발명이 적용되는 LTE 시스템에서 무선 프로토콜 구조를 나타낸 도면이다.
도 3은 단말에서 캐리어 집적을 설명하기 위한 도면이다.
도 4는 본 발명에서 제안하는 메시지 흐름도면이다.
도 5는 본 발명을 적용한 단말의 동작 순서도 도면이다.
도 6은 본 발명을 적용한 단말의 장치도면이다.
130 : S-GW 135 : 사용자 단말
Claims (20)
- 무선 통신 시스템에서 단말의 방법에 있어서,
기지국으로부터 SCell(secondary cell)을 활성화 하기 위한 제1정보를 수신하는 단계;
상기 제1정보를 기반으로 상기 SCell을 활성화 하는 단계;
상기 제1정보에 대응하여 상기 SCell의 비활성화(deactivation)와 관련된 타이머를 시작하는 단계;
상기 활성화된 SCell을 위한 제2정보가 상기 기지국으로부터 수신되면, 상기 SCell과 관련된 타이머를 재시작하는 단계; 및
상기 타이머의 만료에 대응하여, 상기 SCell과 관련된 프리코더 타입 지시자(precoder type indication, PTI)보고를 중단하는 단계를 포함하며,
상기 타이머가 서브프레임 n에서 만료될 경우, 상기 PTI 보고는 서브프레임 n+8 에서부터 중단되며,
상기 타이머의 길이는 설정이 가능한 m 프레임의 시간 길이에 대응하고, 상기 m 은 라디오 자원 제어(radio resource control, RRC) 메시지를 기반으로 설정되는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 타이머의 만료 후 상기 제2 정보가 수신되는 경우에는, 상기 타이머를 재시작하지 않는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 타이머의 만료에 대응하여, 상기 SCell에 대응하는 물리적 하향링크 제어 채널(physical downlink control channel, PDCCH)의 모니터링을 중단하는 단계를 더 포함하는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 제1정보는 적어도 하나의 SCell에 대응되며, 8bit의 정보를 포함하는 비트맵 지시자를 포함하고,
상기 SCell을 활성화 하는 단계는
상기 비트맵 지시자를 기반으로 상기 SCell을 활성화 하는 단계를 포함하는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 타이머가 만료에 대응하여,
적어도 기 설정된 서브프레임까지 상기 SCell 상에서 사운딩 기준신호(SRS)의 전송을 중단하고,
상기 기 설정된 서브프레임에서부터 채널 품질 지시자(channel quality indicator) 보고, 프리코딩 매트릭스 인덱스(precoding matrix index)보고 및 랭크 지시자(rank indicator) 보고의 전송을 중단하는 것을 포함하고,
상기 타이머 만료로부터 상기 기 설정된 서브프레임까지의 길이는 RRC 메시지를 기반으로 설정이 불가능한 고정된 값인 것을 특징으로 하는 방법. - 단말에 있어서,
송수신부;
상기 송수신부와 연관되며,
기지국으로부터 SCell(secondary cell)을 활성화 하기 위한 제1정보를 수신하고, 상기 제1정보를 기반으로 상기 SCell을 활성화하며, 상기 제1정보에 대응하여 상기 SCell의 비활성화(deactivation)와 관련된 타이머를 시작하고, 상기 활성화된 SCell을 위한 제2정보가 상기 기지국으로부터 수신되면, 상기 SCell과 관련된 타이머를 재시작하며, 상기 타이머의 만료에 대응하여, 상기 SCell과 관련된 프리코더 타입 지시자(precoder type indication, PTI)보고를 중단하도록 제어하는 제어부를 포함하고,
상기 타이머가 서브프레임 n에서 만료될 경우, 상기 PTI 보고는 서브프레임 n+8 에서부터 중단되며,
상기 타이머의 길이는 설정이 가능한 m 프레임의 시간 길이에 대응하고, 상기 m 은 라디오 자원 제어(radio resource control, RRC) 메시지를 기반으로 설정되는 것을 특징으로 하는 단말. - 제6항에 있어서,
상기 타이머의 만료 후 상기 제2 정보가 수신되는 경우에는, 상기 타이머를 재시작하지 않는 것을 특징으로 하는 단말. - 제6항에 있어서, 상기 제어부는,
상기 타이머의 만료에 대응하여, 상기 SCell에 대응하는 물리적 하향링크 제어 채널(physical downlink control channel, PDCCH)의 모니터링을 중단하도록 제어하는 것을 특징으로 하는 단말. - 제6항에 있어서,
상기 제1정보는 적어도 하나의 SCell에 대응되며, 8bit의 정보를 포함하는 비트맵 지시자를 포함하고,
상기 제어부는 상기 비트맵 지시자를 기반으로 상기 SCell을 활성화하도록 제어하는 것을 특징으로 하는 단말. - 제6항에 있어서, 상기 제어부는,
상기 타이머가 만료에 대응하여,
적어도 기 설정된 서브프레임까지 상기 SCell 상에서 사운딩 기준신호(SRS)의 전송을 중단하고,
상기 기 설정된 서브프레임에서부터 채널 품질 지시자(channel quality indicator) 보고, 프리코딩 매트릭스 인덱스(precoding matrix index)보고 및 랭크 지시자(rank indicator) 보고의 전송을 중단하도록 제어하고,
상기 타이머 만료로부터 상기 기 설정된 서브프레임까지의 길이는 RRC 메시지를 기반으로 설정이 불가능한 고정된 값인 것을 특징으로 하는 단말. - 무선 통신 시스템에서 기지국의 방법에 있어서,
단말에게 SCell(secondary cell)을 활성화 하기 위한 제1정보를 전송하는 단계; 및
상기 활성화된 Cell을 위한 제2정보를 상기 단말에게 전송하는 단계를 포함하고,
상기 제1정보를 기반으로 상기 SCell을 활성화 및 상기 SCell의 비활성화(deactivation)와 관련된 타이머가 시작되고,
상기 활성화된 SCell을 위한 제2정보에 기반하여 상기 SCell과 관련된 타이머가 재시작되고,
상기 타이머의 만료에 대응하여, 상기 SCell과 관련된 프리코더 타입 지시자(precoder type indication, PTI)보고가 중단되고,
상기 타이머가 서브프레임 n에서 만료될 경우, 상기 PTI 보고는 서브프레임 n+8 에서부터 중단되며,
상기 타이머의 길이는 설정이 가능한 m 프레임의 시간 길이에 대응하고, 상기 m 은 라디오 자원 제어(radio resource control, RRC) 메시지를 기반으로 설정하는 것을 특징으로 하는 방법. - 제11항에 있어서,
상기 타이머의 만료 후 상기 제2 정보가 수신되는 경우에는, 상기 타이머가 재시작되지 않는 것을 특징으로 하는 방법. - 제11항에 있어서,
상기 타이머의 만료에 대응하여, 상기 SCell에 대응하는 물리적 하향링크 제어 채널(physical downlink control channel, PDCCH)의 모니터링이 중단되는 것을 특징으로 하는 방법. - 제11항에 있어서,
상기 제1정보는 적어도 하나의 SCell에 대응되며, 8bit의 정보를 포함하는 비트맵 지시자를 포함하고,
상기 비트맵 지시자를 기반으로 상기 SCell이 활성화되는 것을 특징으로 하는 방법. - 제11항에 있어서,
상기 타이머가 만료에 대응하여,
적어도 기 설정된 서브프레임까지 상기 SCell 상에서 사운딩 기준신호(SRS)의 전송이 중단되고,
상기 기 설정된 서브프레임에서부터 채널 품질 지시자(channel quality indicator) 보고, 프리코딩 매트릭스 인덱스(precoding matrix index)보고 및 랭크 지시자(rank indicator) 보고의 전송이 중단되며,
상기 타이머 만료로부터 상기 기 설정된 서브프레임까지의 길이는 RRC 메시지를 기반으로 설정이 불가능한 고정된 값인 것을 특징으로 하는 방법. - 기지국에 있어서,
송수신부; 및
상기 송수신부와 연관되며,
단말에게 SCell(secondary cell)을 활성화 하기 위한 제1정보를 전송하고, 상기 활성화된 Cell을 위한 제2정보를 상기 단말에게 전송하도록 제어하고,
상기 제1정보를 기반으로 상기 SCell을 활성화 및 상기 SCell의 비활성화(deactivation)와 관련된 타이머가 시작되고,
상기 활성화된 SCell을 위한 제2정보에 기반하여 상기 SCell과 관련된 타이머가 재시작되고,
상기 타이머의 만료에 대응하여, 상기 SCell과 관련된 프리코더 타입 지시자(precoder type indication, PTI)보고가 중단되고,
상기 타이머가 서브프레임 n에서 만료될 경우, 상기 PTI 보고는 서브프레임 n+8 에서부터 중단되며,
상기 타이머의 길이는 설정이 가능한 m 프레임의 시간 길이에 대응하고, 상기 m 은 라디오 자원 제어(radio resource control, RRC) 메시지를 기반으로 설정하는 것을 특징으로 하는 기지국. - 제16항에 있어서,
상기 타이머의 만료 후 상기 제2 정보가 수신되는 경우에는, 상기 타이머가 재시작되지 않는 것을 특징으로 하는 기지국. - 제16항에 있어서,
상기 타이머의 만료에 대응하여, 상기 SCell에 대응하는 물리적 하향링크 제어 채널(physical downlink control channel, PDCCH)의 모니터링이 중단되는 것을 특징으로 하는 기지국. - 제16항에 있어서,
상기 제1정보는 적어도 하나의 SCell에 대응되며, 8bit의 정보를 포함하는 비트맵 지시자를 포함하고,
상기 비트맵 지시자를 기반으로 상기 SCell이 활성화되는 것을 특징으로 하는 기지국. - 제16항에 있어서,
상기 타이머가 만료에 대응하여,
적어도 기 설정된 서브프레임까지 상기 SCell 상에서 사운딩 기준신호(SRS)의 전송이 중단되고,
상기 기 설정된 서브프레임에서부터 채널 품질 지시자(channel quality indicator) 보고, 프리코딩 매트릭스 인덱스(precoding matrix index)보고 및 랭크 지시자(rank indicator) 보고의 전송이 중단되며,
상기 타이머 만료로부터 상기 기 설정된 서브프레임까지의 길이는 RRC 메시지를 기반으로 설정이 불가능한 고정된 값인 것을 특징으로 하는 기지국.
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