KR20190034117A - 무선 통신 시스템에서의 대역폭부 오정렬 방지 방법 및 장치 - Google Patents
무선 통신 시스템에서의 대역폭부 오정렬 방지 방법 및 장치 Download PDFInfo
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- KR20190034117A KR20190034117A KR1020180113646A KR20180113646A KR20190034117A KR 20190034117 A KR20190034117 A KR 20190034117A KR 1020180113646 A KR1020180113646 A KR 1020180113646A KR 20180113646 A KR20180113646 A KR 20180113646A KR 20190034117 A KR20190034117 A KR 20190034117A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H04W72/042—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
- H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
- H04B7/06964—Re-selection of one or more beams after beam failure
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
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- H04W72/0413—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0457—Variable allocation of band or rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
- H04W74/0838—Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]
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Abstract
Description
도 2는 예시적인 일실시예에 따른(액세스 네트워크로도 알려진) 전송기 시스템 및 (사용자 단말 또는 UE로도 알려진) 수신기 시스템에 대한 블록도이다.
도 3은 예시적인 일실시예에 따른 통신 시스템에 대한 기능 블록도이다.
도 4는 예시적인 일실시예에 따른 도 3의 프로그램 코드의 기능 블록도이다.
도 5는 일실시예에 따른 빔 복구 절차에 대한 예시적인 실시예를 도시한 것이다.
도 6는 예시적인 일실시예에 따른 도면이다.
도 7는 예시적인 일실시예에 따른 도면이다.
도 8는 예시적인 일실시예에 따른 도면이다.
도 9은 예시적인 일실시예에 따른 순서도이다.
도 10은 예시적인 일실시예에 따른 순서도이다.
도 11은 예시적인 일실시예에 따른 순서도이다.
도 12은 예시적인 일실시예에 따른 순서도이다.
Claims (20)
- 사용자 단말(UE)용 방법에 있어서,
제1상향링크 대역폭 부분(BWP)에서 스케줄링 요청(SR)을 전송하는 단계;
제1하향링크 BWP에서 SR에 대한 응답을 수신하는 단계;
제1상향링크 BWP 및 제1하향링크 BWP 사용시 빔 실패를 검출하는 단계;
네트워크 노드로 제1상향링크 BWP에서 빔 실패 요청(BFR)을 전송하는 단계; 및
BFR 요청 전송 후 네트워크 노드로부터 제2하향링크 BWP에서 제어 시그널링을 수신하는 단계를 포함하고,
제어 시그널링은 BFR 요청에 대한 응답이고, 제2하향링크 BWP는 제1상향링크 BWP와 연계되는 UE용 방법. - 제1항에 있어서,
UE가 빔 실패의 검출에 응답하여 활성화된 대역폭 부분을 제1하향링크 BWP에서 제2하향링크 BWP로 변경하는 단계를 더 포함하는 UE용 방법. - 제1항에 있어서,
UE가 제어 시그널링 수신에 응답하여 빔 실패가 성공적으로 복구되었다고 판단하는 단계를 더 포함하는 UE용 방법. - 제1항에 있어서,
UE는 하향링크 BWP를 변경한 후 BFR 요청을 전송하는 UE용 방법. - 제1항에 있어서,
응답은 BFR 요청의 수신에 응답하여 네트워크 노드에 의해 전송되는 UE용 방법. - 제1항에 있어서,
빔 실패가 검출되는 경우, 제2하향링크 BWP가 활성화되지 않는(또는 사용되지 않는) UE용 방법. - 제1항에 있어서,
BFR 요청은 물리 랜덤 액세스 채널(PRACH)에서 전송되는 UE용 방법. - 제1항에 있어서,
제어 시그널링은 상향링크 그랜트 또는 하향링크 할당인 UE용 방법. - 제1항에 있어서,
제2하향링크 BWP 및 제1상향링크 BWP 간 연계는 빔 실패 전 네트워크 노드에 의해 구성되는 UE용 방법. - 제1항에 있어서,
빔 실패는 활성화된 대역폭 부분을 제1하향링크 BWP에서 제2하향링크 BWP로 변경하는 것을 트리거링하는 UE용 방법. - 사용자 단말(UE)에 있어서,
제어 회로;
제어회로에 설치된 프로세서; 및
제어회로에 설치되고 프로세서와 동작가능하게 결합된 메모리를 포함하고,
프로세서는 메모리에 저장된 프로그램 코드를 실행하여:
제1상향링크 BWP에서 스케줄링 요구(SR)를 전송;
제1하향링크 BWP에서 SR에 대한 응답을 수신;
제1상향링크 BWP 및 제1하향링크 BWP 사용시, 빔 실패를 검출;
제1상향링크 BWP에서 네트워크 노드로 빔 복구 요청 전송; 및
BFR 요청 전송 후, 네트워크 노드로부터 제2하향링크에서 제어 시그널링을 수신하고,
제어 시그널링은 BFR 요청에 대한 응답이고, 제2하향링크 BWP는 제1상향링크 BWP와 연계되는 UE. - 제11항에 있어서,
프로세서는 메모리에 저장된 프로그램 코드를 실행하여:
빔 실패 검출에 응답하여 활성화된 대역폭 부분을 제1하향링크 BWP에서 제2하향링크 BWP로 변경하도록 더 구성되는 UE. - 제11항에 있어서,
프로세서는 메모리에 저장된 프로그램 코드를 실행하여:
제어 시그널링 수신에 응답하여 빔 실패가 성공적으로 복구되었다고 판단하도록 더 구성되는 UE. - 제11항에 있어서,
UE는 하향링크 BWP 변경 후 BFR 요청을 전송하는 UE. - 제11항에 있어서,
응답은 BFR 요청 수신에 응답하여 네트워크 노드에 의해 전송되는 UE. - 제11항에 있어서,
제2하향링크 BWP는 빔 실패가 검출된 경우 활성화되지 않는(또는 사용되지 않는) UE. - 제11항에 있어서,
BFR 요청은 물리 랜덤 액세스 채널(PRACH)에서 전송되는 UE. - 제11항에 있어서,
제어 시그널링은 상향링크 그랜트 또는 하향링크 할당인 UE. - 제11항에 있어서,
제2하향링크 BWP 및 제1상향링크 BWP 사이의 연결은 빔 실패 검출 전 네트워크 노드에 의해 구성되는 UE. - 제11항에 있어서,
빔 실패는 활성화된 대역폭 부분을 제1하향링크 BWP에서 제2하향링크 BWP로 변경하는 것을 트리거링하는 UE.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762562095P | 2017-09-22 | 2017-09-22 | |
| US62/562,095 | 2017-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20190034117A true KR20190034117A (ko) | 2019-04-01 |
| KR102173269B1 KR102173269B1 (ko) | 2020-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180113646A Active KR102173269B1 (ko) | 2017-09-22 | 2018-09-21 | 무선 통신 시스템에서의 대역폭부 오정렬 방지 방법 및 장치 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US11006441B2 (ko) |
| EP (1) | EP3461026B1 (ko) |
| JP (2) | JP2019062533A (ko) |
| KR (1) | KR102173269B1 (ko) |
| CN (1) | CN109548152B (ko) |
| ES (1) | ES2818593T3 (ko) |
| TW (1) | TWI691178B (ko) |
Cited By (1)
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|---|---|---|---|---|
| KR20200127126A (ko) * | 2019-04-30 | 2020-11-10 | 아서스테크 컴퓨터 인코포레이션 | 무선 통신 시스템에서 사이드 링크에 구성된 그랜트를 위한 재전송 표시 처리 방법 및 장치 |
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