JP7648646B2 - チャネルサウンディングのための通信装置、通信方法および集積回路 - Google Patents
チャネルサウンディングのための通信装置、通信方法および集積回路 Download PDFInfo
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- JP7648646B2 JP7648646B2 JP2022560182A JP2022560182A JP7648646B2 JP 7648646 B2 JP7648646 B2 JP 7648646B2 JP 2022560182 A JP2022560182 A JP 2022560182A JP 2022560182 A JP2022560182 A JP 2022560182A JP 7648646 B2 JP7648646 B2 JP 7648646B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
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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
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
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- 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
- H04L1/0028—Formatting
- H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
-
- 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
- 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
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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
-
- 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
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- 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)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025034777A JP7813395B2 (ja) | 2020-04-03 | 2025-03-05 | チャネルサウンディングのための通信装置および通信方法、および集積回路 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SG10202003138UA SG10202003138UA (en) | 2020-04-03 | 2020-04-03 | Communication apparatus and communication method for channel sounding |
| SG10202003138U | 2020-04-03 | ||
| PCT/SG2021/050091 WO2021201771A1 (en) | 2020-04-03 | 2021-02-25 | Communication apparatus and communication method for channel sounding |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025034777A Division JP7813395B2 (ja) | 2020-04-03 | 2025-03-05 | チャネルサウンディングのための通信装置および通信方法、および集積回路 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| JP2023521659A JP2023521659A (ja) | 2023-05-25 |
| JPWO2021201771A5 JPWO2021201771A5 (https=) | 2025-02-06 |
| JP2023521659A5 JP2023521659A5 (https=) | 2025-02-06 |
| JP7648646B2 true JP7648646B2 (ja) | 2025-03-18 |
Family
ID=77930445
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022560182A Active JP7648646B2 (ja) | 2020-04-03 | 2021-02-25 | チャネルサウンディングのための通信装置、通信方法および集積回路 |
| JP2025034777A Active JP7813395B2 (ja) | 2020-04-03 | 2025-03-05 | チャネルサウンディングのための通信装置および通信方法、および集積回路 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025034777A Active JP7813395B2 (ja) | 2020-04-03 | 2025-03-05 | チャネルサウンディングのための通信装置および通信方法、および集積回路 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20230141486A1 (https=) |
| EP (1) | EP4128871A4 (https=) |
| JP (2) | JP7648646B2 (https=) |
| CN (4) | CN120785692A (https=) |
| SG (1) | SG10202003138UA (https=) |
| WO (1) | WO2021201771A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220322116A1 (en) * | 2021-04-06 | 2022-10-06 | Huawei Technologies Co., Ltd. | Method, apparatus and system for communicating wi-fi sensing measurements and feedback |
| KR20230005686A (ko) * | 2021-07-01 | 2023-01-10 | 삼성전자주식회사 | 채널 사운딩을 위한 장치 및 방법 |
| KR20240093876A (ko) * | 2021-10-27 | 2024-06-24 | 뉴라컴 인코포레이티드 | 다중 ap 협력을 위한 프레임 교환 시퀀스 |
| EP4432775B1 (en) * | 2021-11-26 | 2026-01-28 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Wireless communication method and device |
| WO2025202138A1 (en) * | 2024-03-28 | 2025-10-02 | Sony Group Corporation | Communication devices and methods |
| WO2026012847A1 (en) * | 2024-07-12 | 2026-01-15 | Sony Group Corporation | Communication devices and methods to perform conditional txop sharing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020515112A (ja) | 2017-01-17 | 2020-05-21 | クアルコム,インコーポレイテッド | Bss間サウンディングのための方法およびシステム |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US8787841B2 (en) * | 2006-06-27 | 2014-07-22 | Qualcomm Incorporated | Method and system for providing beamforming feedback in wireless communication systems |
| EP3020243A1 (en) * | 2013-07-11 | 2016-05-18 | Interdigital Patent Holdings, Inc. | Methods and procedures for scheduling to sector-edge and non-sector-edge station groups |
| US9172446B2 (en) * | 2014-03-19 | 2015-10-27 | Magnolia Broadband Inc. | Method and system for supporting sparse explicit sounding by implicit data |
| WO2017030295A1 (ko) * | 2015-08-19 | 2017-02-23 | 엘지전자(주) | 무선 통신 시스템에서 채널 상태의 피드백 방법 및 이를 위한 장치 |
| US10924955B2 (en) * | 2016-11-18 | 2021-02-16 | Lg Electronics Inc. | Method for reporting channel information in wireless LAN system and device therefor |
| US10897285B2 (en) * | 2017-02-15 | 2021-01-19 | Qualcomm Incorporated | Distributed multi-user (MU) wireless communication |
| WO2018222177A1 (en) * | 2017-05-31 | 2018-12-06 | Intel Corporation | Methods and arrangements for collaborative beamforming in multi-access point wi-fi networks |
| US10171151B1 (en) * | 2017-06-30 | 2019-01-01 | Qualcomm Incorporated | Throughput optimization by guard interval selection from beamforming feedback |
| US10911120B2 (en) * | 2017-07-24 | 2021-02-02 | Qualcomm Incorporated | Downlink (DL) coordinated beamforming protocols for WiFi |
| US10721627B2 (en) * | 2017-08-04 | 2020-07-21 | Qualcomm Incorporated | Generalized distributed multi-user (MU) transmissions |
| US10454538B2 (en) * | 2017-09-08 | 2019-10-22 | Qualcomm Incorporated | Methods and systems for joint access point MIMO transmissions |
| CN113595602B (zh) * | 2017-09-22 | 2024-04-12 | 华为技术有限公司 | 信道探测的方法、通信设备和计算机可读存储介质 |
| DE102019203556A1 (de) * | 2018-03-19 | 2019-09-19 | Mediatek Singapore Pte. Ltd. | Raumwiederverwendung in einem WLAN-Multi-AP-Netzwerk |
| US11096132B2 (en) * | 2018-07-26 | 2021-08-17 | Mediatek Singapore Pte. Ltd. | Joint sounding for multi-user communication in multi-AP WLAN |
| US11206554B2 (en) * | 2018-08-06 | 2021-12-21 | Qualcomm Incorporated | Joint transmissions to a station |
| US11051174B2 (en) * | 2018-08-17 | 2021-06-29 | Intel Corporation | Grouping of access points (AP) into multi-AP groups to enable coordination of downlink transmissions |
| WO2020045891A1 (ko) * | 2018-08-26 | 2020-03-05 | 엘지전자 주식회사 | 무선랜 시스템에서 조인트 전송을 수행하는 방법 및 장치 |
| US11245501B2 (en) * | 2018-09-04 | 2022-02-08 | Qualcomm Incorporated | Multi-access point scheduling in wireless local area networks |
| US10892863B2 (en) * | 2018-09-10 | 2021-01-12 | Intel Corporation | Joint nulling and joint beamforming for downlink transmissions by multiple access points (AP) |
| JP2022047547A (ja) * | 2019-01-11 | 2022-03-25 | ソニーグループ株式会社 | 無線基地局、および端末装置 |
| CN119767425A (zh) * | 2019-03-08 | 2025-04-04 | 华为技术有限公司 | 应用于无线通信系统的通信方法和通信装置 |
| CN115459815A (zh) * | 2019-03-08 | 2022-12-09 | 华为技术有限公司 | 用于无线通信系统的信息传输方法、信息接收方法和装置 |
| JP7492317B2 (ja) * | 2019-04-25 | 2024-05-29 | キヤノン株式会社 | 通信装置、無線通信システムおよびアクセスポイントの制御方法 |
| US11251841B2 (en) * | 2019-05-07 | 2022-02-15 | Huawei Technologies Co., Ltd. | Systems and methods for extremely high throughput sounding process indication |
| US11641633B1 (en) * | 2019-09-06 | 2023-05-02 | Marvell Asia Pte Ltd | Synchronization of joint transmissions with multiple access points |
| US11716121B2 (en) * | 2019-10-25 | 2023-08-01 | Intel Corporation | NDPA for multi-AP coordinated beamforming (CBF) and multi-AP joint transmission (JT) in EHT |
| US11764845B2 (en) * | 2019-10-30 | 2023-09-19 | Intel Corporation | Channel state information for multiple access points |
| US20210143878A1 (en) * | 2019-11-08 | 2021-05-13 | Huawei Technologies Co., Ltd. | Method and apparatus for channel state information feedback for joint transmission |
-
2020
- 2020-04-03 SG SG10202003138UA patent/SG10202003138UA/en unknown
-
2021
- 2021-02-25 JP JP2022560182A patent/JP7648646B2/ja active Active
- 2021-02-25 CN CN202510730435.XA patent/CN120785692A/zh active Pending
- 2021-02-25 CN CN202510730548.XA patent/CN120710830A/zh active Pending
- 2021-02-25 US US17/914,721 patent/US20230141486A1/en active Pending
- 2021-02-25 EP EP21782269.1A patent/EP4128871A4/en active Pending
- 2021-02-25 WO PCT/SG2021/050091 patent/WO2021201771A1/en not_active Ceased
- 2021-02-25 CN CN202510730351.6A patent/CN120710829A/zh active Pending
- 2021-02-25 CN CN202180026174.3A patent/CN115349271B/zh active Active
-
2025
- 2025-03-05 JP JP2025034777A patent/JP7813395B2/ja active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020515112A (ja) | 2017-01-17 | 2020-05-21 | クアルコム,インコーポレイテッド | Bss間サウンディングのための方法およびシステム |
Also Published As
| Publication number | Publication date |
|---|---|
| CN120785692A (zh) | 2025-10-14 |
| CN120710830A (zh) | 2025-09-26 |
| CN115349271B (zh) | 2025-06-20 |
| EP4128871A1 (en) | 2023-02-08 |
| EP4128871A4 (en) | 2023-09-06 |
| US20230141486A1 (en) | 2023-05-11 |
| CN115349271A (zh) | 2022-11-15 |
| SG10202003138UA (en) | 2021-11-29 |
| JP7813395B2 (ja) | 2026-02-12 |
| CN120710829A (zh) | 2025-09-26 |
| JP2025087815A (ja) | 2025-06-10 |
| JP2023521659A (ja) | 2023-05-25 |
| WO2021201771A1 (en) | 2021-10-07 |
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