BR112018000068A2 - método, ponto de acesso e estação para transmitir informações de estado de canal - Google Patents
método, ponto de acesso e estação para transmitir informações de estado de canalInfo
- Publication number
- BR112018000068A2 BR112018000068A2 BR112018000068-0A BR112018000068A BR112018000068A2 BR 112018000068 A2 BR112018000068 A2 BR 112018000068A2 BR 112018000068 A BR112018000068 A BR 112018000068A BR 112018000068 A2 BR112018000068 A2 BR 112018000068A2
- Authority
- BR
- Brazil
- Prior art keywords
- access point
- station
- feedback
- message
- status information
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000002699 waste material Substances 0.000 abstract 1
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
- H04B7/06—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
-
- 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
- H04B7/0452—Multi-user MIMO systems
-
- 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
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0072—Error control for data other than payload data, e.g. control data
- H04L1/0073—Special arrangements for feedback channel
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- 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
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- 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)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
as modalidades da presente invenção fornecem um método, um ponto de acesso e uma estação para transmitir informações de estado de canal. o método inclui: receber, por uma estação, uma mensagem de indicação de retroalimentação, uma sequência de treinamento longa de alta eficiência e uma mensagem de programação de recurso que são enviadas por um ponto de acesso; e, quando for determinado que a estação pertence a estações alvo, retroalimentar uma mensagem de confirmação de recebimento para o ponto de acesso com o uso de um recurso de comunicação indicado pela mensagem de programação de recurso. a mensagem de indicação de retroalimentação é usada para indicar pelo menos duas stas alvo que precisam retroalimentar informações de estado de canal ao ap, e a sequência de treinamento longa de alta eficiência é usada para determinar informações de estado de canal da sta. nas modalidades da presente invenção, uma mensagem de confirmação de recebimento é retroalimentada a um ponto de acesso. desse modo, o desperdício de recurso causado quando algumas estações não conseguirem realizar imediatamente retroalimentação pode ser evitado, e a eficiência de transmissão das informações de estado de canal pode ser melhorada.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2015/083186 WO2017000308A1 (zh) | 2015-07-02 | 2015-07-02 | 传输信道状态信息的方法、接入点和站点 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112018000068A2 true BR112018000068A2 (pt) | 2018-09-11 |
Family
ID=57607550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018000068-0A BR112018000068A2 (pt) | 2015-07-02 | 2015-07-02 | método, ponto de acesso e estação para transmitir informações de estado de canal |
Country Status (10)
Country | Link |
---|---|
US (4) | US10439699B2 (pt) |
EP (2) | EP3301963B1 (pt) |
JP (1) | JP6549739B2 (pt) |
KR (1) | KR102021000B1 (pt) |
CN (1) | CN107710803B (pt) |
AU (1) | AU2015401078B2 (pt) |
BR (1) | BR112018000068A2 (pt) |
CA (1) | CA2990966C (pt) |
RU (1) | RU2683957C1 (pt) |
WO (1) | WO2017000308A1 (pt) |
Families Citing this family (10)
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RU2683957C1 (ru) * | 2015-07-02 | 2019-04-03 | Хуавэй Текнолоджиз Ко., Лтд. | Способ, точка доступа и станция для передачи информации о состоянии канала |
US11019650B2 (en) * | 2016-01-14 | 2021-05-25 | Interdigital Patent Holdings, Inc. | Control and operation in wireless local area network |
CN110770595A (zh) * | 2017-04-07 | 2020-02-07 | 马维尔国际贸易有限公司 | 无线通信***中的测距测量 |
CN110635827B (zh) * | 2018-06-22 | 2021-06-01 | 华为技术有限公司 | 信道估计方法、装置以及通信*** |
WO2020050680A1 (ko) * | 2018-09-07 | 2020-03-12 | 엘지전자 주식회사 | 무선랜 시스템에서 피드백 프레임을 수신하는 방법 및 장치 |
EP4075853A4 (en) * | 2019-12-09 | 2023-08-30 | Beijing Xiaomi Mobile Software Co., Ltd. | TRANSMISSION MEASUREMENT METHOD, TRANSMISSION MEASUREMENT DEVICE AND STORAGE MEDIA |
CN113115415B (zh) * | 2020-01-10 | 2023-11-10 | 华为技术有限公司 | 通信方法及装置 |
CN113395145B (zh) * | 2020-03-13 | 2023-09-22 | 华为技术有限公司 | 传输参数的确定方法及传输设备 |
CN111867131B (zh) * | 2020-06-28 | 2023-10-20 | 新华三技术有限公司 | 一种接入方法及装置 |
KR20230030850A (ko) * | 2021-08-26 | 2023-03-07 | 현대자동차주식회사 | 머신러닝 기반 방송 정보를 제공하는 방법 및 그 장치 |
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US8923219B2 (en) * | 2010-02-17 | 2014-12-30 | Qualcomm Incorporated | Method and apparatus for supporting adaptive channel state information feedback rate in multi-user communication systems |
US9742590B2 (en) * | 2010-07-07 | 2017-08-22 | Qualcomm Incorporated | Channel state information (CSI) feedback protocol for multiuser multiple input, multiple output (MU-MIMO) |
US10090982B2 (en) * | 2010-09-29 | 2018-10-02 | Qualcomm Incorporated | Systems and methods for communication of channel state information |
US9077498B2 (en) * | 2010-09-29 | 2015-07-07 | Qualcomm Incorporated | Systems and methods for communication of channel state information |
US9882624B2 (en) * | 2010-09-29 | 2018-01-30 | Qualcomm, Incorporated | Systems and methods for communication of channel state information |
US20130058239A1 (en) * | 2010-10-21 | 2013-03-07 | James June-Ming Wang | Integrity and Quality Monitoring and Signaling for Sounding and Reduced Feedback |
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CN103002471B (zh) | 2011-09-16 | 2016-03-30 | 华为技术有限公司 | 一种信道探测的方法、装置及*** |
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-
2015
- 2015-07-02 RU RU2018103914A patent/RU2683957C1/ru active
- 2015-07-02 EP EP15896839.6A patent/EP3301963B1/en active Active
- 2015-07-02 CA CA2990966A patent/CA2990966C/en active Active
- 2015-07-02 WO PCT/CN2015/083186 patent/WO2017000308A1/zh active Application Filing
- 2015-07-02 JP JP2017568110A patent/JP6549739B2/ja active Active
- 2015-07-02 AU AU2015401078A patent/AU2015401078B2/en active Active
- 2015-07-02 KR KR1020187001875A patent/KR102021000B1/ko active IP Right Grant
- 2015-07-02 BR BR112018000068-0A patent/BR112018000068A2/pt not_active Application Discontinuation
- 2015-07-02 EP EP19219990.9A patent/EP3723405A1/en active Pending
- 2015-07-02 CN CN201580081183.7A patent/CN107710803B/zh active Active
-
2018
- 2018-01-02 US US15/860,255 patent/US10439699B2/en active Active
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2019
- 2019-07-03 US US16/503,284 patent/US10790891B2/en active Active
-
2020
- 2020-08-04 US US16/984,826 patent/US11563475B2/en active Active
-
2023
- 2023-01-06 US US18/151,287 patent/US20230268969A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US11563475B2 (en) | 2023-01-24 |
US20190326975A1 (en) | 2019-10-24 |
EP3723405A1 (en) | 2020-10-14 |
JP6549739B2 (ja) | 2019-07-24 |
EP3301963A4 (en) | 2018-05-02 |
US20200366354A1 (en) | 2020-11-19 |
CA2990966A1 (en) | 2017-01-05 |
US10439699B2 (en) | 2019-10-08 |
US20180159609A1 (en) | 2018-06-07 |
EP3301963B1 (en) | 2020-01-15 |
KR20180019712A (ko) | 2018-02-26 |
KR102021000B1 (ko) | 2019-11-04 |
AU2015401078A1 (en) | 2018-01-25 |
AU2015401078B2 (en) | 2019-04-18 |
CN107710803B (zh) | 2021-05-11 |
CA2990966C (en) | 2020-10-27 |
CN107710803A (zh) | 2018-02-16 |
US20230268969A1 (en) | 2023-08-24 |
JP2018526860A (ja) | 2018-09-13 |
RU2683957C1 (ru) | 2019-04-03 |
EP3301963A1 (en) | 2018-04-04 |
WO2017000308A1 (zh) | 2017-01-05 |
US10790891B2 (en) | 2020-09-29 |
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B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] |