JP6756903B2 - 無線システムにおけるチャネル状態情報報告方法及びこのための装置 - Google Patents
無線システムにおけるチャネル状態情報報告方法及びこのための装置 Download PDFInfo
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- JP6756903B2 JP6756903B2 JP2019508821A JP2019508821A JP6756903B2 JP 6756903 B2 JP6756903 B2 JP 6756903B2 JP 2019508821 A JP2019508821 A JP 2019508821A JP 2019508821 A JP2019508821 A JP 2019508821A JP 6756903 B2 JP6756903 B2 JP 6756903B2
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- csi
- phase parameter
- codebook
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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
- H04B7/0619—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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- 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
-
- 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
-
- 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
-
- 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
- H04B7/0645—Variable feedback
- H04B7/065—Variable contents, e.g. long-term or short-short
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
-
- 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
-
- 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
-
- 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
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762444309P | 2017-01-09 | 2017-01-09 | |
| US62/444,309 | 2017-01-09 | ||
| US201762475188P | 2017-03-22 | 2017-03-22 | |
| US62/475,188 | 2017-03-22 | ||
| PCT/KR2018/000345 WO2018128498A1 (ko) | 2017-01-09 | 2018-01-08 | 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 이를 위한 장치 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019526973A JP2019526973A (ja) | 2019-09-19 |
| JP2019526973A5 JP2019526973A5 (enExample) | 2019-11-14 |
| JP6756903B2 true JP6756903B2 (ja) | 2020-09-16 |
Family
ID=62791331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019508821A Active JP6756903B2 (ja) | 2017-01-09 | 2018-01-08 | 無線システムにおけるチャネル状態情報報告方法及びこのための装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US11201653B2 (enExample) |
| EP (1) | EP3439214B1 (enExample) |
| JP (1) | JP6756903B2 (enExample) |
| KR (1) | KR101971873B1 (enExample) |
| CN (2) | CN114745037B (enExample) |
| WO (1) | WO2018128498A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7121022B2 (ja) * | 2017-01-31 | 2022-08-17 | エルジー エレクトロニクス インコーポレイティド | 無線システムにおけるチャネル状態情報報告方法及びこのための装置 |
| US10588089B1 (en) * | 2018-09-21 | 2020-03-10 | Qualcomm Incorporated | Mitigation of calibration errors |
| WO2020111624A1 (ko) * | 2018-11-26 | 2020-06-04 | 엘지전자 주식회사 | 무선 통신 시스템에서 단말이 채널 상태 정보를 보고하는 방법 및 그 장치 |
| EP3672096A1 (en) * | 2018-12-22 | 2020-06-24 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Methods and apparatuses for feedback reporting in a wireless communications network |
| WO2020150854A1 (en) * | 2019-01-21 | 2020-07-30 | Qualcomm Incorporated | Feedback overhead reduction |
| US12074666B2 (en) * | 2019-07-23 | 2024-08-27 | Lg Electronics Inc. | Method for reporting channel state information in wireless communication system, and device therefor |
| WO2021035385A1 (en) * | 2019-08-23 | 2021-03-04 | Lenovo (Beijing) Limited | Using multiple downlink reference signals for channel estimation |
| WO2021148629A1 (en) * | 2020-01-24 | 2021-07-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Csi reporting based on linear combination port-selection codebook |
| US20220029688A1 (en) * | 2020-07-24 | 2022-01-27 | Qualcomm Incorporated | Switching between beamforming modes |
| WO2022051756A1 (en) * | 2020-09-04 | 2022-03-10 | Qualcomm Incorporated | Subband beam reporting |
| US11689268B2 (en) | 2020-10-09 | 2023-06-27 | Samsung Electronics Co., Ltd. | Method and apparatus for configuring parameters of a port selection codebook |
| CN115173898A (zh) * | 2021-04-02 | 2022-10-11 | 索尼集团公司 | 电子设备、通信方法、存储介质和计算机程序产品 |
| EP4364309A4 (en) | 2021-08-05 | 2025-06-18 | Apple Inc. | METHODS AND APPARATUS FOR IMPROVING PORT SELECTION CODEBOOK |
| US20230088818A1 (en) * | 2021-09-13 | 2023-03-23 | Mediatek Inc. | Downlink multi-antenna transmission in wireless communication system |
| KR102878088B1 (ko) * | 2022-02-13 | 2025-10-30 | 엘지전자 주식회사 | 무선 통신 시스템에서 prs 측정에 대한 정보 송수신 방법 및 그 장치 |
| WO2025170272A1 (ko) * | 2024-02-05 | 2025-08-14 | 엘지전자 주식회사 | 무선 통신 시스템에서 단말 또는 네트워크에 의해 수행되는 방법 및 이를 위한 장치 |
| CN120498484A (zh) * | 2024-02-08 | 2025-08-15 | 荣耀终端股份有限公司 | 通信方法、设备及存储介质 |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8154452B2 (en) * | 2009-07-08 | 2012-04-10 | Raytheon Company | Method and apparatus for phased array antenna field recalibration |
| KR101740221B1 (ko) | 2010-01-18 | 2017-05-29 | 주식회사 골드피크이노베이션즈 | 채널상태정보-기준신호 할당 방법 및 장치 |
| KR101875609B1 (ko) | 2010-09-26 | 2018-08-02 | 엘지전자 주식회사 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
| WO2013003974A1 (en) * | 2011-07-01 | 2013-01-10 | Telefonaktiebolaget L M Ericsson (Publ) | Beamforming with phase compensation |
| EP2557839A1 (en) | 2011-08-12 | 2013-02-13 | Panasonic Corporation | Channel quality information reporting in protected subframes |
| US9729273B2 (en) * | 2012-03-30 | 2017-08-08 | Sharp Kabushiki Kaisha | Collision resolution among transmission schedules of uplink control information (UCI) |
| WO2013184613A2 (en) | 2012-06-04 | 2013-12-12 | Interdigital Patent Holdings, Inc. | Communicating channel state information (csi) of multiple transmission points |
| KR102091876B1 (ko) * | 2012-06-18 | 2020-03-23 | 삼성전자주식회사 | 협력 멀티-포인트 송신을 위한 비주기적 및 주기적 csi 피드백 모드들 |
| EP2869478A4 (en) | 2012-07-02 | 2016-02-24 | Lg Electronics Inc | METHOD AND DEVICE FOR DELIVERING CHANNEL STATE INFORMATION IN A WIRELESS COMMUNICATION SYSTEM |
| EP2896240B1 (en) * | 2012-09-11 | 2017-12-27 | LG Electronics Inc. | Method and apparatus for transmitting channel state information-reference signals in wireless communication system |
| US9432168B2 (en) | 2012-12-19 | 2016-08-30 | Lg Electronics Inc. | Method and apparatus for transmitting and receiving channel status information (CSI) for supporting 256QAM in wireless access system |
| WO2014142514A1 (ko) * | 2013-03-11 | 2014-09-18 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 장치 |
| GB2512634A (en) * | 2013-04-04 | 2014-10-08 | Nec Corp | Communication system |
| EP3410763B1 (en) | 2013-08-20 | 2020-07-29 | Huawei Technologies Co., Ltd. | Wireless communications apparatus and method |
| US10459418B2 (en) * | 2013-09-04 | 2019-10-29 | Fisher-Rosemount Systems, Inc. | Technology for assessing and presenting field device commissioning information associated with a process plant |
| JP6615759B2 (ja) * | 2013-09-04 | 2019-12-04 | フィッシャー−ローズマウント システムズ,インコーポレイテッド | 一括フィールド機器オペレーション |
| JP6278325B2 (ja) | 2013-09-18 | 2018-02-14 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | チャネル状態情報フィードバック方法および装置 |
| US9571251B2 (en) * | 2014-01-30 | 2017-02-14 | Intel Corporation | Periodic channel status information (CSI) reporting for enhanced interference management and traffic adaptation (EIMTA) systems with CSI subframe sets |
| US9887824B2 (en) * | 2014-03-28 | 2018-02-06 | Lg Electronics Inc. | Method and apparatus for reporting channel state information for supporting 256QAM in wireless access system |
| US9667328B2 (en) | 2014-03-31 | 2017-05-30 | Samsung Electronics Co., Ltd. | Precoding matrix codebook design and periodic channel state information feedback for advanced wireless communication systems |
| US20150288499A1 (en) | 2014-04-07 | 2015-10-08 | Samsung Electronics Co., Ltd. | Periodic and aperiodic channel state information reporting for advanced wireless communication systems |
| JP6374981B2 (ja) | 2014-05-19 | 2018-08-15 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | ネットワーク支援型の干渉の除去および抑制のためのチャネル状態情報報告の機能強化 |
| US9654195B2 (en) * | 2014-11-17 | 2017-05-16 | Samsung Electronics Co., Ltd. | Methods to calculate linear combination pre-coders for MIMO wireless communication systems |
| US9621243B2 (en) | 2014-12-03 | 2017-04-11 | Texas Instruments Incorporated | Method and apparatus for CSI feedback in a MIMO wireless communication system with elevation beamforming |
| CN105991244A (zh) * | 2015-01-29 | 2016-10-05 | 北京三星通信技术研究有限公司 | 测量和报告信道状态信息的方法和设备 |
| US9806781B2 (en) | 2015-04-29 | 2017-10-31 | Samsung Electronics Co., Ltd. | Codebook design and structure for advanced wireless communication systems |
| DE112015006838T5 (de) * | 2015-08-26 | 2018-05-17 | Intel IP Corporation | Verwaltungsaspekte von Empfangsstrahlbildung |
| CN107888246B (zh) * | 2016-09-29 | 2023-04-28 | 华为技术有限公司 | 基于码本的信道状态信息反馈方法及设备 |
| US11038566B2 (en) * | 2017-01-06 | 2021-06-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Precoding a transmission from a multi-panel antenna array |
-
2018
- 2018-01-08 KR KR1020187020482A patent/KR101971873B1/ko active Active
- 2018-01-08 EP EP18736139.9A patent/EP3439214B1/en active Active
- 2018-01-08 US US16/065,057 patent/US11201653B2/en active Active
- 2018-01-08 JP JP2019508821A patent/JP6756903B2/ja active Active
- 2018-01-08 CN CN202210354113.6A patent/CN114745037B/zh active Active
- 2018-01-08 WO PCT/KR2018/000345 patent/WO2018128498A1/ko not_active Ceased
- 2018-01-08 CN CN201880006166.0A patent/CN110178326B/zh active Active
-
2021
- 2021-11-16 US US17/527,411 patent/US11943029B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11943029B2 (en) | 2024-03-26 |
| CN114745037A (zh) | 2022-07-12 |
| US11201653B2 (en) | 2021-12-14 |
| KR101971873B1 (ko) | 2019-04-24 |
| CN114745037B (zh) | 2025-09-23 |
| KR20180088475A (ko) | 2018-08-03 |
| CN110178326A (zh) | 2019-08-27 |
| EP3439214B1 (en) | 2023-11-08 |
| US20220149910A1 (en) | 2022-05-12 |
| EP3439214A4 (en) | 2019-08-14 |
| WO2018128498A1 (ko) | 2018-07-12 |
| JP2019526973A (ja) | 2019-09-19 |
| US20200177252A1 (en) | 2020-06-04 |
| CN110178326B (zh) | 2022-04-26 |
| EP3439214A1 (en) | 2019-02-06 |
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