KR20200030631A - 채널 품질 지시자(cqi) 및 채널 상태 정보(csi) 보고를 위한 방법 및 장치 - Google Patents
채널 품질 지시자(cqi) 및 채널 상태 정보(csi) 보고를 위한 방법 및 장치 Download PDFInfo
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- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
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- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0016—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy involving special memory structures, e.g. look-up tables
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- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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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
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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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
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
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- 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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- 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
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
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Abstract
Description
도 1은 본 개시의 다양한 실시예들에 따른 예시적인 무선 네트워크를 도시하며;
도 2a 및 도 2b는 본 개시의 다양한 실시예들에 따른 예시적인 무선 송신 및 수신 경로들을 예시하며;
도 3a는 본 개시의 다양한 실시예들에 따른 예시적인 사용자 장비를 도시하며;
도 3b는 본 개시의 다양한 실시예들에 따른 예시적인 BS를 도시하며;
도 4는 본 개시의 다양한 실시예들에 따른, 하나의 CSI-RS 포트가 다수의 아날로그 제어식 안테나 엘리먼트들 상으로 매핑되는 예시적인 빔포밍 아키텍처를 도시하며;
도 5는 본 개시의 일 실시예에 따른 CSI 보고 부대역의 예들을 도시하며;
도 6은 본 개시의 일 실시예에 따른 CQI 계산 및 보고의 예시적인 실시예를 도시하며;
도 7은 본 개시의 일 실시예에 따른 2-CW 송신을 위한 CQI 계산의 일 예를 도시하며;
도 8은 본 개시의 일 실시예에 따른 UCI 매핑 규칙의 일 예를 도시하며;
도 9a 내지 도 9e는 본 개시의 일 실시예에 따른 1-파트 UCI 매핑의 예들을 도시하며;
도 10은 본 개시의 일 실시예에 따른, UE가 CSI 보고 설정 정보를 수신하는 예시적인 방법을 위한 흐름도를 도시하며; 그리고
도 11은 본 개시의 일 실시예에 따른, BS가 UE(UE-k로서 라벨표시됨)에 대한 CSI 보고 설정 정보를 생성하는 예시적인 방법을 위한 흐름도를 도시한다.
도 12는 본 개시의 다른 실시예에 따른 UE를 예시한다.
| 코드 포인트 | 스펙트럼 효율(bps/Hz) | 변조 스킴 |
| 0 | QPSK | |
| ... | ... | ... |
| P1-1 | QPSK | |
| P1 | 16QAM | |
| ... | ... | ... |
| P1+P2-1 | 16QAM | |
| P1+P2 | 64QAM | |
| ... | ... | ... |
| P1+P2+P3-1 | 64QAM |
Claims (15)
- 사용자 장비(UE)에 있어서,
채널 상태 정보(CSI)를 보고하기 위한 설정 정보를 수신하도록 구성되는 트랜시버; 및
상기 트랜시버에 동작적으로 연결되는 프로세서를 포함하고, 상기 프로세서는 상기 설정 정보를 디코딩하고 상기 CSI를 계산하도록 구성되는 것이고,
상기 트랜시버는 또한 채널 품질 지시자(CQI)를 포함하는 상기 CSI를 송신하도록 구성되고,
상기 설정 정보는 CQI 테이블 및 타겟 블록 에러 레이트(BLER)의 선택을 포함하는, UE. - 제1항에 있어서,
상기 CQI 테이블은 복수의 테이블들로부터 선택되고,
상기 테이블들 중 적어도 두 개의 테이블들은 각각 동일한 CQI 페이로드 크기 및 상이한 변조 및 코딩 스킴(MCS) 세트들에 연관되는, UE. - 제1항에 있어서,
상기 CQI 테이블은 복수의 테이블들로부터 선택되고,
상기 테이블들 중 적어도 두 개의 테이블들은 상이한 CQI 페이로드 크기들에 연관되는, UE. - 제3항에 있어서, 상기 적어도 두 개의 테이블들은 상이한 BLER 타겟들에 연관되는, UE.
- 제4항에 있어서, 상기 페이로드 크기들 중 하나의 페이로드 크기는 4 비트인, UE.
- 제1항에 있어서, 보고된 랭크 지시자(RI) 값이 4 이하일 경우에 제1 CQI가 보고되는, UE.
- 제6항에 있어서,
보고된 RI 값이 4보다 큰 경우 제2 CQI가 보고되고,
상기 제2 CQI는 상기 제1 CQI의 페이로드 크기와 동일한 페이로드 크기를 가지는, UE. - 기지국(BS)에 있어서,
채널 상태 정보(CSI) 보고를 위한 설정 정보를 생성하도록 구성되는 프로세서; 및
상기 프로세서에 동작적으로 연결되는 트랜시버로서:
UE에, 상기 설정 정보를 송신하며; 그리고
상기 UE로부터, 채널 품질 지시자(CQI)를 포함하는 CSI 보고를 수신하도록
구성되는 상기 트랜시버;를 포함하며,
상기 설정 정보는 CQI 테이블 및 타겟 블록 에러 레이트(BLER)의 선택을 포함하는, BS. - 사용자 장비(UE)를 동작시키는 방법에 있어서,
채널 상태 정보(CSI)를 보고하기 위한 설정 정보를 수신하고 디코딩하는 단계; 및
채널 품질 지시자(CQI)를 포함하는 상기 CSI를 계산하고 송신하는 단계를 포함하며,
상기 설정 정보는 CQI 테이블 및 타겟 블록 에러 레이트(BLER)의 선택을 포함하는, UE 동작 방법. - 제9항에 있어서,
상기 CQI 테이블은 복수의 테이블들로부터 선택되고,
상기 테이블들 중 적어도 두 개의 테이블들은 각각 동일한 CQI 페이로드 크기 및 상이한 변조 및 코딩 스킴(MCS) 세트들에 연관되는, UE 동작 방법. - 제9항에 있어서,
상기 CQI 테이블은 복수의 테이블들로부터 선택되고,
상기 테이블들 중 적어도 두 개의 테이블들은 상이한 CQI 페이로드 크기들에 연관되는 UE 동작 방법. - 제11항에 있어서, 상기 적어도 두 개의 테이블들은 상이한 BLER 타겟들에 연관되는, UE 동작 방법.
- 제12항에 있어서, 상기 페이로드 크기들 중 하나의 페이로드 크기는 4 비트인, UE 동작 방법.
- 제9항에 있어서, 보고된 랭크 지시자(RI) 값이 4 이하일 경우 제1 CQI가 보고되는, UE 동작 방법.
- 제14항에 있어서,
보고된 RI 값이 4보다 큰 경우 제2 CQI가 보고되고,
상기 제2 CQI는 상기 제1 CQI의 페이로드 크기와 동일한 페이로드 크기를 가지는, UE 동작 방법.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762544387P | 2017-08-11 | 2017-08-11 | |
| US62/544,387 | 2017-08-11 | ||
| US201862615285P | 2018-01-09 | 2018-01-09 | |
| US62/615,285 | 2018-01-09 | ||
| US16/052,457 | 2018-08-01 | ||
| US16/052,457 US10567113B2 (en) | 2017-08-11 | 2018-08-01 | Method and apparatus for channel quality indicator (CQI) and channel state information (CSI) reporting |
| PCT/KR2018/009292 WO2019031953A1 (en) | 2017-08-11 | 2018-08-13 | METHOD AND APPARATUS FOR CHANNEL QUALITY INDICATOR (CQI) REPORT AND CHANNEL STATUS INFORMATION (CSI) |
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| KR20200030631A true KR20200030631A (ko) | 2020-03-20 |
| KR102304702B1 KR102304702B1 (ko) | 2021-09-24 |
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| US (2) | US10567113B2 (ko) |
| EP (2) | EP3635879A4 (ko) |
| KR (1) | KR102304702B1 (ko) |
| CN (2) | CN110999120B (ko) |
| WO (1) | WO2019031953A1 (ko) |
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| US11463144B2 (en) * | 2018-11-02 | 2022-10-04 | Qualcomm Incorporated | Techniques for reporting channel quality indicators in wireless communications |
| CN113439396B (zh) * | 2019-02-15 | 2024-04-26 | 上海诺基亚贝尔股份有限公司 | 装置、方法和计算机程序 |
| WO2020200711A1 (en) | 2019-03-29 | 2020-10-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Multibeam precoder based channel state information |
| US12218875B2 (en) * | 2019-08-23 | 2025-02-04 | Lenovo (Beijing) Limited | Apparatus and method of CSI acquisition on sidelink |
| US20210368489A1 (en) * | 2020-05-23 | 2021-11-25 | Qualcomm Incorporated | Cqi table selection in sidelink |
| BR112023002815A2 (pt) * | 2020-08-31 | 2023-03-14 | Qualcomm Inc | Indicadores configuráveis para compactação e feedback de estado de canal |
| WO2022082669A1 (en) * | 2020-10-22 | 2022-04-28 | Nokia Shanghai Bell Co., Ltd. | Channel state information reporting for point-to-multipoint operation |
| CN112532560B (zh) * | 2020-12-01 | 2023-01-31 | 四川灵通电讯有限公司 | 在铜线传输中自适应调制qam调制方式的系统及应用方法 |
| EP4338323A1 (en) * | 2021-05-11 | 2024-03-20 | Nokia Technologies Oy | Reporting of delta channel quality indicator (cqi)-modulation and coding scheme (mcs) information |
| CN115642990B (zh) * | 2021-07-20 | 2025-09-05 | 维沃移动通信有限公司 | 信道状态信息上报方法、装置及终端 |
| WO2023009052A1 (en) * | 2021-07-30 | 2023-02-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Network node, wireless communication device, and methods performed therein |
| US12463784B2 (en) * | 2021-08-20 | 2025-11-04 | Qualcomm Incorporated | Dynamic quantization of channel quality information |
| CN113992314B (zh) * | 2021-10-25 | 2023-08-29 | 京信网络系统股份有限公司 | 链路自适应调整方法、装置、系统和存储介质 |
| CN120075886A (zh) * | 2023-11-30 | 2025-05-30 | 中兴通讯股份有限公司 | 无线通信的方法、装置、存储介质及电子装置 |
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| EP3883172A1 (en) * | 2012-06-04 | 2021-09-22 | Interdigital Patent Holdings, Inc. | Communicating channel state information (csi) of multiple transmission points |
| CN103580739B (zh) * | 2012-07-20 | 2016-11-16 | 电信科学技术研究院 | 信道质量指示信息上报及确定方法和设备 |
| KR20140013542A (ko) * | 2012-07-25 | 2014-02-05 | 삼성전자주식회사 | 통신 시스템에서 채널 품질 지시자 송/수신 장치 및 방법 |
| US9060361B2 (en) * | 2012-09-27 | 2015-06-16 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting/receiving channel state information |
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| JP6877296B2 (ja) * | 2016-08-12 | 2021-05-26 | 華碩電腦股▲ふん▼有限公司 | 無線通信システムにおける測定のためのヌメロロジ帯域幅を決定する方法及び装置 |
| US10873439B2 (en) * | 2016-12-16 | 2020-12-22 | Samsung Electronics Co., Ltd. | Method and apparatus for multiplexing channel state information |
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| US20200186281A1 (en) | 2020-06-11 |
| US11228393B2 (en) | 2022-01-18 |
| CN110999120B (zh) | 2023-11-24 |
| EP4611304A3 (en) | 2025-11-05 |
| EP4611304A2 (en) | 2025-09-03 |
| EP3635879A1 (en) | 2020-04-15 |
| CN110999120A (zh) | 2020-04-10 |
| CN117713882A (zh) | 2024-03-15 |
| US20190052397A1 (en) | 2019-02-14 |
| US10567113B2 (en) | 2020-02-18 |
| EP3635879A4 (en) | 2020-05-13 |
| WO2019031953A1 (en) | 2019-02-14 |
| KR102304702B1 (ko) | 2021-09-24 |
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