BR112022007480A2 - Método e dispositivos para feedback de informações de estado de canal para transmissão conjunta - Google Patents
Método e dispositivos para feedback de informações de estado de canal para transmissão conjuntaInfo
- Publication number
- BR112022007480A2 BR112022007480A2 BR112022007480A BR112022007480A BR112022007480A2 BR 112022007480 A2 BR112022007480 A2 BR 112022007480A2 BR 112022007480 A BR112022007480 A BR 112022007480A BR 112022007480 A BR112022007480 A BR 112022007480A BR 112022007480 A2 BR112022007480 A2 BR 112022007480A2
- Authority
- BR
- Brazil
- Prior art keywords
- devices
- status information
- communication channels
- channel status
- csi
- Prior art date
Links
Classifications
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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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0478—Special codebook structures directed to feedback optimisation
-
- 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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
-
- 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
- H04B7/0417—Feedback systems
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
MÉTODO E DISPOSITIVOS PARA FEEDBACK DE INFORMAÇÕES DE ESTADO DE CANAL PARA TRANSMISSÃO CONJUNTA. A presente invenção refere-se a método e a dispositivos de determinação de informações de estado de canal (CSI) de canal sem fio por STA, que inclui o recebimento de pluralidade de transmissões de dados de pluralidade de APs através a pluralidade de canais de comunicação. O método ainda inclui estimar, para cada um dos canais de comunicação, as informações de estado de canal (CSI) do canal com base na pluralidade de transmissões de dados de sondagem recebidas em cada um dos canais de comunicação. Além disso, ele inclui agregar as informações de estado de canal de cada um dos canais de comunicação para produzir uma CSI agregada e transmitir a CSI agregada à pluralidade de APs.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962932845P | 2019-11-08 | 2019-11-08 | |
US17/089,112 US20210143878A1 (en) | 2019-11-08 | 2020-11-04 | Method and apparatus for channel state information feedback for joint transmission |
PCT/CN2020/127532 WO2021089046A1 (en) | 2019-11-08 | 2020-11-09 | Method and apparatus for channel state information feedback for joint transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112022007480A2 true BR112022007480A2 (pt) | 2022-07-12 |
Family
ID=75847168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112022007480A BR112022007480A2 (pt) | 2019-11-08 | 2020-11-09 | Método e dispositivos para feedback de informações de estado de canal para transmissão conjunta |
Country Status (7)
Country | Link |
---|---|
US (1) | US20210143878A1 (pt) |
EP (1) | EP4029151A4 (pt) |
JP (1) | JP2022554078A (pt) |
KR (1) | KR20220082044A (pt) |
CN (1) | CN114667688B (pt) |
BR (1) | BR112022007480A2 (pt) |
WO (1) | WO2021089046A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7421343B2 (ja) * | 2020-01-09 | 2024-01-24 | キヤノン株式会社 | 通信装置、通信装置の制御方法、およびプログラム |
US20230040058A1 (en) * | 2020-01-20 | 2023-02-09 | Qualcomm Incorporated | Channel state information feedback for multiple transmission reception points |
WO2022260368A1 (ko) * | 2021-06-09 | 2022-12-15 | 엘지전자 주식회사 | 무선랜 시스템에서 채널 상태 정보 송수신 방법 및 장치 |
US20230102611A1 (en) * | 2021-09-24 | 2023-03-30 | Huawei Technologies Co., Ltd. | Protocol and frame format for coordinated beamforming |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8379705B2 (en) * | 2009-08-04 | 2013-02-19 | Qualcomm Incorporated | Hierarchical feedback of channel state information for wireless communication |
CN102006108B (zh) * | 2009-08-28 | 2012-10-03 | 华为技术有限公司 | 信道状态信息的传输方法、装置和系统 |
WO2012150842A2 (ko) * | 2011-05-04 | 2012-11-08 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널상태정보를 송수신하는 방법 및 장치 |
CN102546110A (zh) * | 2011-12-31 | 2012-07-04 | 电信科学技术研究院 | 一种传输信道状态信息的方法及装置 |
US9226302B2 (en) * | 2012-08-24 | 2015-12-29 | Huawei Technologies Co., Ltd. | Systems and methods for interference alignment in Wi-Fi |
CN104737561B (zh) * | 2012-10-29 | 2018-09-07 | 华为技术有限公司 | 用于无线网络中干扰对齐的用户协作协议的系统和方法 |
US9455808B2 (en) * | 2013-07-03 | 2016-09-27 | Broadcom Corporation | Wireless communication system with coordinated multipoint operation and methods for use therewith |
US9456452B2 (en) * | 2014-02-25 | 2016-09-27 | Snu R&Db Foundation | Scheduling method of multi-user multi-input multi-output communication system |
WO2015147814A1 (en) * | 2014-03-26 | 2015-10-01 | Nokia Solutions And Networks Oy | Radio frequency beamforming basis function feedback |
US20160149628A1 (en) * | 2014-11-25 | 2016-05-26 | Intel Corporation | Channel state information (csi) reporting for carrier aggregation |
US9793965B1 (en) * | 2016-04-01 | 2017-10-17 | Quantenna Communications, Inc. | Frequency orthogonalized MIMO channel sounding and feedback in a wireless home network |
EP3306829B1 (en) * | 2016-10-07 | 2019-08-28 | Mitsubishi Electric R&D Centre Europe B.V. | Method for transmitting data via a mimo channel-based wireless communication system |
US10574321B2 (en) * | 2017-11-14 | 2020-02-25 | Telefonaktiebolaget Lm Ericsson (Publ) | UE reporting aggregated channel state information based on multiple P3 sweeps |
EP3873001B1 (en) * | 2018-04-12 | 2022-05-25 | LG Electronics Inc. | Signal transmission/reception method in wireless lan system, and device therefor |
US11451285B2 (en) * | 2019-10-29 | 2022-09-20 | Mediatek Singapore Pte. Ltd. | Efficient extreme high-throughput sounding feedback supporting JMAP and CMAP transmissions |
-
2020
- 2020-11-04 US US17/089,112 patent/US20210143878A1/en active Pending
- 2020-11-09 EP EP20885220.2A patent/EP4029151A4/en active Pending
- 2020-11-09 JP JP2022522707A patent/JP2022554078A/ja active Pending
- 2020-11-09 BR BR112022007480A patent/BR112022007480A2/pt unknown
- 2020-11-09 KR KR1020227016068A patent/KR20220082044A/ko unknown
- 2020-11-09 CN CN202080078220.XA patent/CN114667688B/zh active Active
- 2020-11-09 WO PCT/CN2020/127532 patent/WO2021089046A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN114667688B (zh) | 2023-09-08 |
US20210143878A1 (en) | 2021-05-13 |
CN114667688A (zh) | 2022-06-24 |
WO2021089046A1 (en) | 2021-05-14 |
KR20220082044A (ko) | 2022-06-16 |
EP4029151A1 (en) | 2022-07-20 |
JP2022554078A (ja) | 2022-12-28 |
EP4029151A4 (en) | 2022-11-02 |
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