JP7638959B2 - 無線通信システムにおけるcsiパラメータ構成のための方法及び装置 - Google Patents
無線通信システムにおけるcsiパラメータ構成のための方法及び装置 Download PDFInfo
- Publication number
- JP7638959B2 JP7638959B2 JP2022507739A JP2022507739A JP7638959B2 JP 7638959 B2 JP7638959 B2 JP 7638959B2 JP 2022507739 A JP2022507739 A JP 2022507739A JP 2022507739 A JP2022507739 A JP 2022507739A JP 7638959 B2 JP7638959 B2 JP 7638959B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- rank
- csi
- rrc
- parameters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0482—Adaptive codebooks
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
-
- 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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- 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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- 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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- 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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962884467P | 2019-08-08 | 2019-08-08 | |
| US62/884,467 | 2019-08-08 | ||
| US201962892102P | 2019-08-27 | 2019-08-27 | |
| US62/892,102 | 2019-08-27 | ||
| US16/947,044 | 2020-07-15 | ||
| US16/947,044 US11277187B2 (en) | 2019-08-08 | 2020-07-15 | Method and apparatus for CSI parameter configuration in wireless communication systems |
| PCT/KR2020/010507 WO2021025538A1 (en) | 2019-08-08 | 2020-08-07 | Method and apparatus for csi parameter configuration in wireless communication systems |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022543477A JP2022543477A (ja) | 2022-10-12 |
| JP2022543477A5 JP2022543477A5 (https=) | 2023-08-23 |
| JP7638959B2 true JP7638959B2 (ja) | 2025-03-04 |
Family
ID=74498794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022507739A Active JP7638959B2 (ja) | 2019-08-08 | 2020-08-07 | 無線通信システムにおけるcsiパラメータ構成のための方法及び装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US11277187B2 (https=) |
| EP (2) | EP4404498A3 (https=) |
| JP (1) | JP7638959B2 (https=) |
| KR (1) | KR20210018781A (https=) |
| CN (1) | CN114342278B (https=) |
| WO (1) | WO2021025538A1 (https=) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021159324A1 (en) * | 2020-02-12 | 2021-08-19 | Apple Inc. | Channel state information reporting |
| EP4266737A4 (en) * | 2021-01-17 | 2024-03-27 | Huawei Technologies Co., Ltd. | CHANNEL INFORMATION ACQUISITION METHOD AND RELATED APPARATUS |
| CN116368907A (zh) * | 2021-03-01 | 2023-06-30 | Oppo广东移动通信有限公司 | 无线通信方法和设备 |
| CN118784024A (zh) | 2021-05-11 | 2024-10-15 | 大唐移动通信设备有限公司 | 码本指示方法、装置及存储介质 |
| CN115441914A (zh) * | 2021-06-01 | 2022-12-06 | 华为技术有限公司 | 一种通信方法及装置 |
| US11923944B2 (en) * | 2021-06-04 | 2024-03-05 | Samsung Electronics Co., Ltd. | Method and apparatus for frequency selective UL precoding |
| CN115603877A (zh) * | 2021-07-09 | 2023-01-13 | 中兴通讯股份有限公司(Cn) | 信道状态信息报告、接收方法、通信节点及存储介质 |
| US20230246688A1 (en) * | 2022-02-02 | 2023-08-03 | Samsung Electronics Co., Ltd. | Method and apparatus for csi codebook |
| US12574087B2 (en) * | 2022-04-21 | 2026-03-10 | Samsung Electronics Co., Ltd. | Method and apparatus for CSI codebook parameters |
| CN115997405B (zh) * | 2022-12-06 | 2026-03-20 | 北京小米移动软件有限公司 | 信道状态信息上报方法、装置及存储介质 |
| US20240291603A1 (en) * | 2023-02-10 | 2024-08-29 | Samsung Electronics Co., Ltd. | Csi codebook parameters for coherent joint transmission |
| WO2024176437A1 (ja) * | 2023-02-24 | 2024-08-29 | 株式会社Nttドコモ | 端末、無線通信方法及び基地局 |
| CN121532958A (zh) * | 2023-07-26 | 2026-02-13 | 高通股份有限公司 | 具有较大数量的天线端口的增强型ii型信道状态信息(csi) |
| WO2025097360A1 (en) * | 2023-11-09 | 2025-05-15 | Qualcomm Incorporated | Spatial domain basis selection for wireless communications |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9264120B2 (en) | 2011-11-09 | 2016-02-16 | Telefonaktiebolaget L M Ericsson (Publ) | CSI reporting for a set of CSI-RS resources |
| US10009088B2 (en) * | 2016-03-28 | 2018-06-26 | Samsung Electronics Co., Ltd. | Linear combination PMI codebook based CSI reporting in advanced wireless communication systems |
| US10659118B2 (en) * | 2016-04-19 | 2020-05-19 | Samsung Electronics Co., Ltd. | Method and apparatus for explicit CSI reporting in advanced wireless communication systems |
| CN107733493B (zh) * | 2016-08-10 | 2021-02-12 | 华为技术有限公司 | 用于确定预编码矩阵的方法和装置 |
| US10389426B2 (en) * | 2017-04-25 | 2019-08-20 | Samsung Electronics Co., Ltd. | Method and apparatus for higher rank CSI reporting in advanced wireless communication systems |
| US10547368B2 (en) | 2017-08-30 | 2020-01-28 | Samsung Electronics Co., Ltd. | Method and apparatus for codebook subset restriction for CSI reporting in advanced wireless communication systems |
| KR102607030B1 (ko) * | 2018-09-11 | 2023-11-29 | 프라운 호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 무선 통신 시스템을 위한 도플러 코드북-기반 프리코딩 및 csi 보고 |
-
2020
- 2020-07-15 US US16/947,044 patent/US11277187B2/en active Active
- 2020-08-07 JP JP2022507739A patent/JP7638959B2/ja active Active
- 2020-08-07 KR KR1020200099474A patent/KR20210018781A/ko active Pending
- 2020-08-07 CN CN202080056349.0A patent/CN114342278B/zh active Active
- 2020-08-07 EP EP24181471.4A patent/EP4404498A3/en active Pending
- 2020-08-07 EP EP20849470.8A patent/EP3997804B1/en active Active
- 2020-08-07 WO PCT/KR2020/010507 patent/WO2021025538A1/en not_active Ceased
-
2022
- 2022-03-10 US US17/654,384 patent/US12052078B2/en active Active
Non-Patent Citations (4)
| Title |
|---|
| CATT,Discussions on Type II CSI enhancement[online],3GPP TSG RAN1 WG #96b R1-1904560,Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96b/Docs/R1-1904560.zip>,2019年03月30日 |
| Huawei, HiSilicon,Discussion on CSI enhancement[online],3GPP TSG RAN WG1 #97 R1-1906028,Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_97/Docs/R1-1906028.zip>,2019年05月03日 |
| LG Electronics,Discussion on overhead reduction for Type II codebook[online],3GPP TSG RAN WG1 #96b R1-1904207,Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96b/Docs/R1-1904207.zip>,2019年03月30日 |
| MediaTek Inc.,CSI enhancement for MU-MIMO[online],3GPP TSG RAN WG1 #97 R1-1906535,Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_97/Docs/R1-1906535.zip>,2019年05月04日 |
Also Published As
| Publication number | Publication date |
|---|---|
| US11277187B2 (en) | 2022-03-15 |
| US20210044340A1 (en) | 2021-02-11 |
| EP3997804C0 (en) | 2024-06-12 |
| EP3997804A1 (en) | 2022-05-18 |
| US12052078B2 (en) | 2024-07-30 |
| US20220200683A1 (en) | 2022-06-23 |
| CN114342278B (zh) | 2025-03-11 |
| WO2021025538A1 (en) | 2021-02-11 |
| JP2022543477A (ja) | 2022-10-12 |
| EP4404498A3 (en) | 2024-10-16 |
| EP4404498A2 (en) | 2024-07-24 |
| EP3997804B1 (en) | 2024-06-12 |
| KR20210018781A (ko) | 2021-02-18 |
| EP3997804A4 (en) | 2022-08-31 |
| CN114342278A (zh) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7638959B2 (ja) | 無線通信システムにおけるcsiパラメータ構成のための方法及び装置 | |
| US11799521B2 (en) | Method and apparatus to enable segmented CSI reporting in wireless communication systems | |
| US20250062800A1 (en) | High-resolution codebook for distributed mimo transmission | |
| KR102476580B1 (ko) | 진보된 무선 통신 시스템에서의 공분산 매트릭스 피드백을 위한 방법 및 장치 | |
| US10985823B2 (en) | Method and apparatus for codebook subset restriction | |
| US11888557B2 (en) | Method and apparatus for port selection in wireless communication systems | |
| US20230246687A1 (en) | Method and apparatus for reporting of time-domain channel properties | |
| US12244384B2 (en) | Method and apparatus for compression-based CSI reporting | |
| US11277247B2 (en) | Method and apparatus to enable CSI reporting in wireless communication systems | |
| KR20220123226A (ko) | 상호성 기반 csi-rs 송신 및 수신을 위한 방법 및 장치 | |
| US11936457B2 (en) | Method and apparatus to enable high rank CSI reporting in wireless communication systems | |
| US20220329303A1 (en) | Method and apparatus for configuring csi reporting granularity | |
| US11689268B2 (en) | Method and apparatus for configuring parameters of a port selection codebook | |
| US20260121719A1 (en) | Method and apparatus for csi reporting | |
| US20240430731A1 (en) | Method and apparatus for csi reporting based on a port selection codebook | |
| US20220069881A1 (en) | Method and apparatus for csi reporting based on a codebook | |
| KR102545400B1 (ko) | 진보된 무선 통신 시스템에서 csi 보고를 위한 빔 선택 방법 및 장치 | |
| US12562792B2 (en) | Method and apparatus for CSI configuration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230804 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230804 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20240626 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20240709 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20241008 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20250121 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20250219 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7638959 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |