KR101756285B1 - 무선 로컬 영역 네트워크(wlan) 시스템들에서 업링크(ul) 다중사용자 다중입력 다중출력(mu-mimo)을 위한 물리 계층 설계 - Google Patents

무선 로컬 영역 네트워크(wlan) 시스템들에서 업링크(ul) 다중사용자 다중입력 다중출력(mu-mimo)을 위한 물리 계층 설계 Download PDF

Info

Publication number
KR101756285B1
KR101756285B1 KR1020167003859A KR20167003859A KR101756285B1 KR 101756285 B1 KR101756285 B1 KR 101756285B1 KR 1020167003859 A KR1020167003859 A KR 1020167003859A KR 20167003859 A KR20167003859 A KR 20167003859A KR 101756285 B1 KR101756285 B1 KR 101756285B1
Authority
KR
South Korea
Prior art keywords
ltfs
tone
interleaved
tones
ltf
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.)
Expired - Fee Related
Application number
KR1020167003859A
Other languages
English (en)
Korean (ko)
Other versions
KR20160031542A (ko
Inventor
사미어 베르마니
라훌 탄드라
디디어 요하네스 리차드 반 니
알베르트 반 젤스트
히맨쓰 샘패쓰
빈 티안
Original Assignee
퀄컴 인코포레이티드
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20160031542A publication Critical patent/KR20160031542A/ko
Application granted granted Critical
Publication of KR101756285B1 publication Critical patent/KR101756285B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • 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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • 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
    • 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
    • H04B7/0684—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 using different training sequences per antenna
    • 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
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2692—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • 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
    • 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)
KR1020167003859A 2013-07-17 2014-07-16 무선 로컬 영역 네트워크(wlan) 시스템들에서 업링크(ul) 다중사용자 다중입력 다중출력(mu-mimo)을 위한 물리 계층 설계 Expired - Fee Related KR101756285B1 (ko)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US201361847386P 2013-07-17 2013-07-17
US61/847,386 2013-07-17
US201361892946P 2013-10-18 2013-10-18
US61/892,946 2013-10-18
US201361914276P 2013-12-10 2013-12-10
US61/914,276 2013-12-10
US201461983365P 2014-04-23 2014-04-23
US61/983,365 2014-04-23
US14/332,301 US9439161B2 (en) 2013-07-17 2014-07-15 Physical layer design for uplink (UL) multiuser multiple-input, multiple-output (MU-MIMO) in wireless local area network (WLAN) systems
US14/332,301 2014-07-15
PCT/US2014/046879 WO2015009846A1 (en) 2013-07-17 2014-07-16 Physical layer design for uplink (ul) multiuser multiple-input, multiple-output (mu-mimo) in wireless local area network (wlan) systems

Publications (2)

Publication Number Publication Date
KR20160031542A KR20160031542A (ko) 2016-03-22
KR101756285B1 true KR101756285B1 (ko) 2017-07-10

Family

ID=52343532

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167003859A Expired - Fee Related KR101756285B1 (ko) 2013-07-17 2014-07-16 무선 로컬 영역 네트워크(wlan) 시스템들에서 업링크(ul) 다중사용자 다중입력 다중출력(mu-mimo)을 위한 물리 계층 설계

Country Status (6)

Country Link
US (1) US9439161B2 (https=)
EP (1) EP3022851A1 (https=)
JP (1) JP6067944B2 (https=)
KR (1) KR101756285B1 (https=)
CN (1) CN105379143A (https=)
WO (1) WO2015009846A1 (https=)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160278081A1 (en) * 2013-11-07 2016-09-22 Lg Electronics Inc. Method and device for receiving multiuser uplink in wireless lan
WO2015076917A1 (en) 2013-11-19 2015-05-28 Li Guoqing C Master station and method for hew communication with signal field configuration for hew ofdma mu-mimo wideband channel operation
US9325463B2 (en) 2013-11-19 2016-04-26 Intel IP Corporation High-efficiency WLAN (HEW) master station and methods to increase information bits for HEW communication
US9860893B2 (en) * 2013-11-19 2018-01-02 Intel IP Corporation Frame structure with reduced signal field and method for high-efficiency Wi-Fi (HEW) communication
BR112016008419A8 (pt) 2013-11-19 2022-10-04 Intel Ip Corp Método, aparelho, e meio legível por computador para escalonamento de múltiplos usuários em redes de área local sem fios
US9544914B2 (en) 2013-11-19 2017-01-10 Intel IP Corporation Master station and method for HEW communication using a transmission signaling structure for a HEW signal field
EP3086521B1 (en) 2014-01-28 2020-03-25 Huawei Technologies Co., Ltd. Data transmission method and communication device
KR101884541B1 (ko) * 2014-02-04 2018-08-01 엘지전자 주식회사 데이터 단위를 수신하는 방법 및 장치
WO2015127616A1 (zh) * 2014-02-27 2015-09-03 华为技术有限公司 无线局域网数据的传输方法及装置
US9860917B2 (en) * 2014-04-25 2018-01-02 Newracom, Inc. Method and apparatus for transmitting and receiving frame
US20150327121A1 (en) 2014-05-08 2015-11-12 Guoqing C. Li Method, apparatus, and computer readable media for acknowledgement in wireless networks
WO2015174725A1 (ko) 2014-05-13 2015-11-19 주식회사 윌러스표준기술연구소 클리어 채널 할당을 위한 무선 통신 방법 및 이를 이용한 무선 통신 단말
KR20160004955A (ko) * 2014-07-04 2016-01-13 뉴라컴 인코포레이티드 고효율 무선랜의 물리계층 프로토콜 데이터 유닛 포맷
US9705643B2 (en) 2014-07-15 2017-07-11 Intel IP Corporation High-efficiency wireless local-area network devices and methods for acknowledgements during scheduled transmission opportunities
KR102054117B1 (ko) 2014-08-18 2019-12-09 주식회사 윌러스표준기술연구소 데이터 동시 통신을 위한 무선 통신 방법 및 이를 이용한 무선 통신 단말
KR20160022790A (ko) * 2014-08-20 2016-03-02 뉴라컴 인코포레이티드 고효율 무선랜에서 패딩을 포함하는 물리계층 프로토콜 데이터 유닛 포맷
WO2016027956A1 (ko) * 2014-08-21 2016-02-25 엘지전자 주식회사 무선랜 시스템에서 프리엠블 전송 방법
CN111711592B (zh) 2014-08-25 2023-06-20 韦勒斯标准与技术协会公司 无线通信方法及使用该方法的无线通信终端
WO2016029482A1 (zh) * 2014-08-30 2016-03-03 华为技术有限公司 一种发送数据的方法、信道估计方法及装置
US10693532B2 (en) * 2014-09-03 2020-06-23 Newracom, Inc. Operation method of station in wireless local area network
US11218196B2 (en) 2014-09-12 2022-01-04 Interdigital Patent Holdings, Inc. Communication of high efficiency (HE) long training fields (LTFS) in a wireless local area network (WLAN)
US20160087825A1 (en) * 2014-09-19 2016-03-24 Qualcomm Incorporated Methods and apparatus for early detection of high efficiency wireless packets in wireless communication
CN112153026B (zh) * 2014-09-25 2021-12-03 华为技术有限公司 一种数据通信方法及相关装置
JP6509333B2 (ja) * 2014-09-28 2019-05-08 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 信号送信方法、信号受信方法、および装置
US10312950B2 (en) 2014-10-03 2019-06-04 Interdigital Patent Holdings, Inc. Systems and methods for multiuser interleaving and modulation
KR102438318B1 (ko) * 2014-10-10 2022-08-30 뉴라컴 인코포레이티드 고효율 무선랜에서 동적 자원 할당
DE102015115777B4 (de) * 2014-10-29 2020-01-30 Intel IP Corporation Gerät, Verfahren und Computer-lesbares Medium für das Übertragen eines Hoch-Effizienz-Drahtlos-Lokalnetzwerk-Signalfeldes für schmale und grosse Bandbreiten-Zuweisungen
US9838232B2 (en) * 2014-10-29 2017-12-05 Intel IP Corporation Wireless device, method, and computer readable media for signaling a short training field in a high-efficiency wireless local area network
US9660736B2 (en) * 2014-11-19 2017-05-23 Intel Corporation Systems, methods, and devices for interference mitigation in wireless networks
KR102814666B1 (ko) 2014-12-02 2025-05-30 주식회사 윌러스표준기술연구소 클리어 채널 할당을 위한 무선 통신 단말 및 무선 통신 방법
EP3687101B1 (en) * 2015-01-09 2022-08-24 Interdigital Patent Holdings, Inc. Bss-color enhanced transmission in wlans (bss-cet)
US9806927B2 (en) 2015-01-21 2017-10-31 Intel IP Corporation Method, apparatus, and computer readable medium for signaling high efficiency packet formats using a legacy portion of the preamble in wireless local-area networks
US9847896B2 (en) * 2015-01-21 2017-12-19 Intel IP Corporation Method, apparatus, and computer readable medium for signaling high efficiency packet formats using a legacy portion of the preamble in wireless local-area networks
US9853845B2 (en) * 2015-02-03 2017-12-26 Intel IP Corporation Apparatus, method, and computer readable media for indicating a communication protocol and information in a signal field
CN107210987B (zh) * 2015-02-04 2020-06-30 Lg电子株式会社 在无线通信系统中用于多用户发送和接收的方法及其装置
WO2016140402A1 (ko) * 2015-02-08 2016-09-09 엘지전자(주) 무선 통신 시스템에서 데이터 송수신을 위한 방법 및 이를 위한 장치
US9917670B1 (en) * 2015-02-11 2018-03-13 Marvell International Ltd. DC correction in uplink multi-user transmission
KR102468398B1 (ko) * 2015-02-17 2022-11-18 주식회사 윌러스표준기술연구소 다중 사용자 전송을 위한 시그널링 방법 및 이를 이용한 무선 통신 단말과 무선 통신 방법
US9967877B2 (en) 2015-02-17 2018-05-08 Newracom, Inc. Method and apparatus for frame exchange in a high efficiency wireless LAN
US20160255645A1 (en) * 2015-02-27 2016-09-01 Intel IP Corporation Cyclic shift diversity in wireless communications
CN113507344B (zh) 2015-03-06 2024-06-21 交互数字专利控股公司 用于无线局域网长符号持续时间迁移的方法和系统
WO2016148411A1 (ko) * 2015-03-16 2016-09-22 엘지전자(주) 무선 통신 시스템에서 다중 사용자 송수신을 위한 방법 및 이를 위한 장치
US9882687B2 (en) * 2015-03-25 2018-01-30 Intel IP Corporation Method of packet classification for 802.11ax
US10080191B2 (en) * 2015-03-26 2018-09-18 Intel IP Corporation Wireless device, method, and computer readable media for transmitting and receiving beacon frames on different sub-channels
US10270635B2 (en) * 2015-04-03 2019-04-23 Lg Electronics Inc. Method and device for configuring signal field in wireless LAN system
JP6584120B2 (ja) * 2015-04-16 2019-10-02 日本放送協会 無線通信装置
US10149198B2 (en) * 2015-04-28 2018-12-04 Qualcomm Incorporated Techniques for transmitting and/or receiving high efficiency wireless local area network information
US10003477B1 (en) 2015-05-13 2018-06-19 Marvell International Ltd. Methods and systems for channel estimation enhancement for multi-stream packets
EP3304795B1 (en) * 2015-05-27 2020-03-04 NXP USA, Inc. Signaling resource allocations in multi-user data units
EP3304840B1 (en) * 2015-06-02 2021-05-19 Newracom, Inc. Random access ppdu for wlan systems
US9955459B2 (en) * 2015-06-05 2018-04-24 Intel IP Corporation Orthogonal frequency division multiple access uplink resource allocation
CN107852303A (zh) * 2015-07-14 2018-03-27 英特尔Ip公司 短资源请求
US10045349B2 (en) 2015-07-16 2018-08-07 Ali Atefi Apparatuses, methods, and computer-readable medium for communication in a wireless local area network
US10045299B2 (en) 2015-07-16 2018-08-07 Ali Atefi Apparatuses, methods, and computer-readable medium for communication in a wireless local area network
CN113612591A (zh) 2015-08-26 2021-11-05 华为技术有限公司 传输he-ltf序列的方法和装置
US10512074B2 (en) * 2015-08-31 2019-12-17 Intel IP Corporation Uplink (UL) multi-user (MU) feedback using high-efficiency (HE) long training fields in a wireless local-area network
US10383092B2 (en) * 2015-11-03 2019-08-13 Qualcomm Incorporated Beamforming report structure
CN113950139B (zh) 2015-11-03 2024-10-18 韦勒斯标准与技术协会公司 无线通信方法和无线通信终端
WO2017078800A1 (en) * 2015-11-05 2017-05-11 Intel IP Corporation Resource allocation in full-band multiuser multiple-input multiple-output communications
CN108540412B (zh) 2015-11-23 2019-03-26 华为技术有限公司 无线局域网数据传输方法和装置
CN106851848B (zh) 2015-12-07 2020-06-16 华为技术有限公司 一种并行传输数据的方法及装置
EP3324697B1 (en) * 2015-12-08 2024-06-26 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and apparatus for establishing connection
JP7005499B2 (ja) * 2015-12-21 2022-01-21 クゥアルコム・インコーポレイテッド 高効率ワイヤレスローカルエリアネットワークのためのプリアンブル設計態様
CN106936749B (zh) * 2015-12-30 2020-01-21 华为技术有限公司 传输高效短训练域序列的方法、装置和设备
KR102128286B1 (ko) 2016-04-02 2020-06-30 주식회사 윌러스표준기술연구소 중첩된 베이직 서비스 세트의 공간적 재사용 동작을 위한 무선 통신 방법 및 무선 통신 단말
ES2930627T3 (es) * 2016-04-02 2022-12-20 Wilus Inst Standards & Tech Inc Método de comunicaciones inalámbricas y terminal de comunicaciones inalámbricas que usan una determinación de información de identificación de un conjunto de servicios básicos de una trama recibida
US10292101B2 (en) * 2016-05-11 2019-05-14 Qualcomm Incorporated Peak-to-average power management in wireless local area network signaling
KR20220066990A (ko) * 2016-06-21 2022-05-24 마벨 아시아 피티이 엘티디. 전송을 위한 방법 및 장치
US10419171B2 (en) 2016-08-11 2019-09-17 Qualcomm Incorporated Flexible guard band for heterogeneous symbol lengths/subcarrier spacing
US20180083808A1 (en) * 2016-09-19 2018-03-22 Qualcomm Incorporated Enhanced multi-user mimo detection
EP3678300A4 (en) * 2017-08-28 2020-07-29 Sony Corporation WIRELESS COMMUNICATION PROGRAM, METHOD AND PROGRAM
WO2020096349A1 (ko) * 2018-11-06 2020-05-14 엘지전자 주식회사 무선랜 시스템에서 eht ppdu를 송신하는 방법 및 장치
WO2020180050A1 (ko) * 2019-03-07 2020-09-10 엘지전자 주식회사 복수의 ap를 이용한 채널 추정
CN113615099A (zh) 2019-03-11 2021-11-05 瑞典爱立信有限公司 从多个天线传送符号
JP7292091B2 (ja) * 2019-04-26 2023-06-16 キヤノン株式会社 通信装置及びその制御方法及びプログラム
US11564250B2 (en) * 2019-08-09 2023-01-24 Qualcomm Incorporated Physical layer preamble and signaling for wireless communication
US12069698B2 (en) 2020-06-01 2024-08-20 Huawei Technologies Co., Ltd. Spatial stream configuration and resource unit allocation
CN118945018A (zh) * 2020-12-11 2024-11-12 华为技术有限公司 信号处理方法及装置
CN114679746B (zh) * 2020-12-24 2025-03-11 华为技术有限公司 基于循环移位分集序列的通信方法、装置及系统
US12476845B2 (en) 2021-01-14 2025-11-18 Sony Group Corporation First and second communication devices and methods
JP7128927B1 (ja) 2021-03-26 2022-08-31 アンリツ株式会社 信号解析装置及び信号解析方法
DE102021116127A1 (de) * 2021-06-22 2022-12-22 Intel Corporation Wi-fi-frequenzanpassung zur störtonminderung
US12389295B2 (en) * 2021-12-24 2025-08-12 Intel Corporation Traffic steering and cross-layer and cross-link mobility management techniques for multi-access management services
CN116566774B (zh) * 2023-07-12 2023-09-22 高拓讯达(北京)微电子股份有限公司 一种WiFi6系统的直流偏移补偿方法及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070097946A1 (en) * 2005-08-23 2007-05-03 Mujtaba Syed A Method and apparatus for reducing power fluctuations during preamble training in a multiple antenna communication system using cyclic delays
US20110194655A1 (en) * 2010-02-10 2011-08-11 Qualcomm Incorporated Methods and apparatus to perform residual frequency offset estimation and correction in ieee 802.11 waveforms

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8619907B2 (en) * 2004-06-10 2013-12-31 Agere Systems, LLC Method and apparatus for preamble training in a multiple antenna communication system
WO2006086493A1 (en) 2005-02-09 2006-08-17 Agere Systems Inc. Method and apparatus for preamble training with shortened long training field in a multiple antenna communication system
US7426199B2 (en) * 2005-06-29 2008-09-16 Intel Corporation Wireless communication device and method for reducing carrier frequency offsets over a simultaneous multi-user uplink in a multicarrier communication network
US9935805B2 (en) * 2009-08-25 2018-04-03 Qualcomm Incorporated MIMO and MU-MIMO OFDM preambles
PL3691331T3 (pl) * 2009-10-30 2026-02-16 Electronics And Telecommunications Research Institute Sposób nadawania symboli kontrolnych i treningowych w systemie komunikacji bezprzewodowej obsługującym wielu użytkowników
US8718173B2 (en) * 2010-02-12 2014-05-06 Lg Electronics Inc. Method for transmitting control information and apparatus for the same
US9668283B2 (en) * 2010-05-05 2017-05-30 Qualcomm Incorporated Collision detection and backoff window adaptation for multiuser MIMO transmission
US8514956B2 (en) * 2010-05-14 2013-08-20 Qualcomm Incorporated Method and apparatus for facilitating tri-state decoding on a shared uplink channel
US8498245B2 (en) * 2010-05-15 2013-07-30 Ralink Technology Corp. Method of arranging packets in a wireless communication system and related device
US8908600B2 (en) * 2010-10-26 2014-12-09 Qualcomm Incorporated Channel state information feedback frame format and feedback rules for very high throughput wireless systems
US8644128B2 (en) * 2011-02-10 2014-02-04 Marvell World Trade Ltd. Multi-clock PHY preamble design and detection
US9397805B2 (en) 2013-04-15 2016-07-19 Qualcomm Incorporated Systems and methods for backwards-compatible preamble formats for multiple access wireless communication
US9729285B2 (en) * 2013-06-13 2017-08-08 Avago Technologies General Ip (Singapore) Pte. Ltd Flexible OFDMA packet structure for wireless communications

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070097946A1 (en) * 2005-08-23 2007-05-03 Mujtaba Syed A Method and apparatus for reducing power fluctuations during preamble training in a multiple antenna communication system using cyclic delays
US20110194655A1 (en) * 2010-02-10 2011-08-11 Qualcomm Incorporated Methods and apparatus to perform residual frequency offset estimation and correction in ieee 802.11 waveforms

Also Published As

Publication number Publication date
JP6067944B2 (ja) 2017-01-25
JP2016530776A (ja) 2016-09-29
KR20160031542A (ko) 2016-03-22
US9439161B2 (en) 2016-09-06
EP3022851A1 (en) 2016-05-25
CN105379143A (zh) 2016-03-02
US20150023335A1 (en) 2015-01-22
WO2015009846A1 (en) 2015-01-22

Similar Documents

Publication Publication Date Title
KR101756285B1 (ko) 무선 로컬 영역 네트워크(wlan) 시스템들에서 업링크(ul) 다중사용자 다중입력 다중출력(mu-mimo)을 위한 물리 계층 설계
EP4113923B1 (en) Determination of midamble periodicity according to ppdu format
US9553699B2 (en) Frame transmitting method and frame receiving method
EP2786507B1 (en) Systems and methods for communication over a plurality of frequencies and streams using cyclic shift delays
KR101597634B1 (ko) 데이터 심볼 수 결정을 위한 가드 간격 시그널링
JP2020074561A (ja) 無線通信システムにおける多重ユーザ送受信のための方法及びこのための装置
KR20160030521A (ko) 고효율 ｗｌａｎ 프리앰블 구조
US20140211775A1 (en) Larger delay spread support for wifi bands
EP3186937B1 (en) Frame transmitting method and frame receiving method
JP2018519698A (ja) チャネルボンディングのためのレガシ対応シグナリング
KR20120127723A (ko) Ｉｅｅｅ 802.11 파형들에서 레지듀얼 주파수 오프셋 추정 및 정정을 수행하기 위한 방법들 및 장치
KR20150111968A (ko) Ｗｉｆｉ 대역들에서 범위 및 지연 확산의 확장
EP4221013B1 (en) Response time relaxation for high efficiency wlan
KR20170078632A (ko) Plcp 서비스 데이터 유닛(psdu) 톤들 상의 제어 채널
US20170155536A1 (en) Embedding data based on orthogonal codes
HK40103547A (en) Frame transmitting method and frame receiving method
HK40100033A (en) Determination of midamble periodicity according to ppdu format

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
A302 Request for accelerated examination
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PA0302 Request for accelerated examination

St.27 status event code: A-1-2-D10-D17-exm-PA0302

St.27 status event code: A-1-2-D10-D16-exm-PA0302

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20210705

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20210705