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PL3402088T3 - Sposób i urządzenie do nadawania i odbioru pakietu mimo w bezprzewodowej sieci lokalnej - Google Patents

Sposób i urządzenie do nadawania i odbioru pakietu mimo w bezprzewodowej sieci lokalnej

Info

Publication number
PL3402088T3
PL3402088T3 PL18175219T PL18175219T PL3402088T3 PL 3402088 T3 PL3402088 T3 PL 3402088T3 PL 18175219 T PL18175219 T PL 18175219T PL 18175219 T PL18175219 T PL 18175219T PL 3402088 T3 PL3402088 T3 PL 3402088T3
Authority
PL
Poland
Prior art keywords
transceiving
wireless lan
lan system
mimo packet
mimo
Prior art date
Application number
PL18175219T
Other languages
English (en)
Other versions
PL3402088T6 (pl
Inventor
Dae Won Lee
Byeong Woon KANG
Yu Jin Noh
Yong Ho Seok
Dong Wook Roh
Original Assignee
Lg Electronics Inc.
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 Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of PL3402088T3 publication Critical patent/PL3402088T3/pl
Publication of PL3402088T6 publication Critical patent/PL3402088T6/pl

Links

Classifications

    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space 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
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/0031—Multiple signaling transmission
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • 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
    • H04L1/0075—Transmission of coding parameters to receiver
    • 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
    • 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
    • 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]
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
PL18175219.7T 2010-07-01 2011-06-30 Sposób i urządzenie do nadawania i odbierania pakietu mimo w bezprzewodowej sieci lokalnej PL3402088T6 (pl)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US36091510P 2010-07-01 2010-07-01
US3609151P 2010-07-01 2010-07-01
US36267310P 2010-07-08 2010-07-08
US3626731P 2010-07-08 2010-07-08
US4075461P 2010-10-28 2010-10-28
US40754610P 2010-10-28 2010-10-28
EP17168129.9A EP3236592B1 (en) 2010-07-01 2011-06-30 Method and apparatus for transceiving a mimo packet in a wireless lan system
EP18175219.7A EP3402088B3 (en) 2010-07-01 2011-06-30 Method and apparatus for transceiving a mimo packet in a wireless lan system
EP11801163.4A EP2600536B1 (en) 2010-07-01 2011-06-30 Method and apparatus for transceiving a mimo packet in a wireless lan system
PCT/KR2011/004819 WO2012002758A2 (ko) 2010-07-01 2011-06-30 무선랜 시스템에서 mimo 패킷을 송수신하는 방법 및 장치

Publications (2)

Publication Number Publication Date
PL3402088T3 true PL3402088T3 (pl) 2021-01-11
PL3402088T6 PL3402088T6 (pl) 2023-07-17

Family

ID=45402590

Family Applications (1)

Application Number Title Priority Date Filing Date
PL18175219.7T PL3402088T6 (pl) 2010-07-01 2011-06-30 Sposób i urządzenie do nadawania i odbierania pakietu mimo w bezprzewodowej sieci lokalnej

Country Status (12)

Country Link
US (3) US8879490B2 (pl)
EP (3) EP3236592B1 (pl)
JP (1) JP5400972B2 (pl)
KR (1) KR101396631B1 (pl)
CN (1) CN103098402B (pl)
AU (1) AU2011271829B2 (pl)
CA (1) CA2791705C (pl)
ES (1) ES2816401T7 (pl)
FI (1) FI3402088T6 (pl)
MX (1) MX2012010051A (pl)
PL (1) PL3402088T6 (pl)
WO (1) WO2012002758A2 (pl)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8599804B2 (en) * 2009-08-07 2013-12-03 Broadcom Corporation Distributed signal field for communications within multiple user, multiple access, and/or MIMO wireless communications
KR101296002B1 (ko) * 2009-08-27 2013-08-14 엘지전자 주식회사 무선랜 시스템에서의 변조 및 코딩 방식 설정 방법 및 이를 지원하는 장치
KR101783927B1 (ko) 2009-10-23 2017-10-10 마벨 월드 트레이드 리미티드 Ｗｌａｎ을 위한 훈련 시퀀스 지시자
WO2011056790A1 (en) 2009-11-03 2011-05-12 Marvell World Trade Ltd. Power saving in a communication device
ES2613496T3 (es) * 2010-01-29 2017-05-24 Lg Electronics Inc. Procedimiento y aparato de transmisión de un flujo espacial para MU-MIMO en un sistema de red de área local inalámbrica
US9209872B2 (en) * 2010-12-22 2015-12-08 Intel Corporation MU-MIMO access point and user station including methods for multi-user group management
PL2822332T3 (pl) * 2011-02-01 2016-04-29 Huawei Tech Co Ltd Sposób oszczędzania energii, urządzenie punktu dostępowego i urządzenie stacji
WO2012115432A2 (en) * 2011-02-27 2012-08-30 Lg Electronics Inc. Method for transmitting and receiving packet for multi user in wireless local area network and apparatus for the same
US9179300B2 (en) * 2011-03-02 2015-11-03 Qualcomm Incorporated Station-centric multi-user multiple input multiple output (MU-MIMO)
US9118473B2 (en) 2011-03-15 2015-08-25 Qualcomm Incorporated Efficient multi-user multiple input multiple output (MU-MIMO)
EP2702737A4 (en) * 2011-04-26 2015-03-04 Intel Corp METHOD AND ARRANGEMENTS FOR WIRELESS POWER NETWORKS
US9392561B2 (en) 2012-03-23 2016-07-12 Lg Electronics Inc. Uplink signal transmission method and station device, and uplink signal receiving method and access point device
JP2013201472A (ja) * 2012-03-23 2013-10-03 Sharp Corp 無線送信装置、無線受信装置、無線通信システムおよび集積回路
US9363686B2 (en) 2012-12-06 2016-06-07 Qualcomm Incorporated Method and system for unified rate adaptation for SU-BF and MU-MIMO operation
CN104038963A (zh) * 2013-03-06 2014-09-10 株式会社Ntt都科摩 无线通信系统中控制信息的传输方法和装置
US9699052B2 (en) * 2013-05-30 2017-07-04 Qualcomm Incorporated Methods and systems for enhanced round trip time (RTT) exchange
US9474073B2 (en) * 2013-10-31 2016-10-18 Qualcomm Incorporated Methods and apparatus for multiple user uplink bandwidth allocation
CN104683058B (zh) * 2013-11-28 2019-11-29 中兴通讯股份有限公司 无线帧发送方法、装置及基站
KR20160132418A (ko) * 2014-03-03 2016-11-18 엘지전자 주식회사 무선랜에서 프레임을 전송하는 방법 및 장치
CN105024783B (zh) * 2014-10-08 2019-03-15 魅族科技（中国）有限公司 一种无线局域网络通信方法、相关装置及系统
US9654308B2 (en) 2014-11-19 2017-05-16 Intel Corporation Systems and methods for carrier frequency offset estimation for long training fields
US9942925B2 (en) * 2015-01-07 2018-04-10 Qualcomm, Incorporated Station contention behavior in uplink multiple user protocols
US9614711B2 (en) * 2015-01-12 2017-04-04 Huawei Technologies Co., Ltd. System and method for using semi-orthogonal multiple access in wireless local area networks
JP6536915B2 (ja) 2015-02-13 2019-07-03 パナソニックＩｐマネジメント株式会社 無線通信装置および無線通信方法
US9955469B2 (en) * 2015-02-27 2018-04-24 Intel Corporation Joint encoding of wireless communication allocation information
CN107667560B (zh) * 2015-03-04 2021-01-01 Lg 电子株式会社 在无线lan系统中发送包括控制信息的无线电帧的方法及其装置
CN104853403B (zh) 2015-04-20 2019-02-12 小米科技有限责任公司 控制智能设备接入的方法和装置
CN104853401B (zh) * 2015-04-20 2019-01-04 小米科技有限责任公司 控制接入的方法和装置
US9655112B2 (en) * 2015-04-30 2017-05-16 Intel IP Corporation Apparatus, system and method of communicating a wireless communication frame with a header
WO2016173103A1 (zh) * 2015-04-30 2016-11-03 华为技术有限公司 Wlan系统的资源指示方法及装置
US9749087B2 (en) * 2015-04-30 2017-08-29 Intel IP Corporation Apparatus, system and method of multi-user wireless communication
US9876544B2 (en) 2015-04-30 2018-01-23 Intel IP Corporation Apparatus, system and method of multi-user wireless communication
US10334568B2 (en) 2015-07-28 2019-06-25 Lg Electronics Inc. Wireless frame transmission method on basis of signaling field sorting of each band and device for same
US9860084B2 (en) * 2015-07-29 2018-01-02 Qualcomm Incorporated Techniques for managing sounding intervals of a wireless communications device
CN107615713B (zh) * 2015-09-16 2022-06-24 Oppo广东移动通信有限公司 调整通信参数的方法和设备
MY192669A (en) * 2015-10-09 2022-08-30 Interdigital Patent Holdings Inc Procedures for high efficiency acknowledgement transmission
US9847849B2 (en) * 2015-10-14 2017-12-19 Intel IP Corporation Modulation and coding scheme codes
JP6830200B2 (ja) * 2016-01-14 2021-02-17 パナソニックＩｐマネジメント株式会社 送信方法、送信装置および集積回路
MX384687B (es) * 2016-02-29 2025-03-14 Panasonic Ip Corp America Dispositivo transmisor, método de transmisión, dispositivo receptor, y método de recepción.
US10681770B2 (en) 2016-05-03 2020-06-09 Lg Electronics Inc. Method for transmitting and receiving signal in wireless LAN system and apparatus therefor
EP3456018B1 (en) * 2016-05-12 2020-05-27 Panasonic Intellectual Property Corporation of America Apparatus and method for diversity transmission in a wireless communications system
US10728070B2 (en) 2016-09-12 2020-07-28 Lg Electronics Inc. Method for transmitting or receiving signal in wireless LAN system and device therefor
WO2018078994A1 (ja) * 2016-10-24 2018-05-03 ソニー株式会社 通信装置及び通信方法
CN110431814A (zh) * 2017-03-27 2019-11-08 英特尔Ip公司 利用头b字段传送edmg mu ppdu的装置、系统和方法
WO2018236718A1 (en) 2017-06-19 2018-12-27 Intel IP Corporation Apparatus, system and method of encoding a wireless transmission
SG10201808652UA (en) * 2018-10-01 2020-05-28 Panasonic Ip Corp America Communication Apparatus and Communication Method for Channel Estimation
US10873488B2 (en) * 2019-01-22 2020-12-22 Qualcomm Incorporated Intra-packet rate adaptation for high capacity
CN117713991A (zh) * 2022-09-07 2024-03-15 华为技术有限公司 多空间流传输方法及相关装置
CN118214512A (zh) * 2022-12-15 2024-06-18 华为技术有限公司 一种指示编码调制策略的方法和通信装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7474608B2 (en) * 2004-01-12 2009-01-06 Intel Corporation Method for signaling information by modifying modulation constellations
US7194042B2 (en) 2004-01-13 2007-03-20 Qualcomm Incorporated Data transmission with spatial spreading in a mimo communication system
EP1929752A4 (en) 2005-09-30 2010-04-14 Mitsubishi Electric Res Lab TRAINING SIGNALS FOR THE SELECTION OF ANTENNAS AND RAYS IN THE WIRELESS MIMO-LANS
JP2007251924A (ja) * 2006-02-15 2007-09-27 Matsushita Electric Ind Co Ltd 無線通信システム、無線受信装置、無線送信装置、およびｃｑｉ量子化方法
US7991090B2 (en) * 2006-05-04 2011-08-02 Broadcom Corporation Method and system for reordered QRV-LST (layered space time) detection for efficient processing for multiple input multiple output (MIMO) communication systems
EP1944896A1 (en) 2007-01-09 2008-07-16 Matsushita Electric Industrial Co., Ltd. Configuration of control channels in a mobile communication system
KR20080086033A (ko) * 2007-03-21 2008-09-25 삼성전자주식회사 다중안테나 시스템에서 자동 재전송 요청 장치 및 방법
US7907677B2 (en) * 2007-08-10 2011-03-15 Intel Corporation Open loop MU-MIMO
JP5503561B2 (ja) * 2008-03-04 2014-05-28 コーニンクレッカ フィリップス エヌ ヴェ マルチユーザシステムにおける送信設定の通知
US8243678B2 (en) 2008-03-10 2012-08-14 Motorola Mobility, Inc. Hierarchical pilot structure in wireless communication systems
KR101507088B1 (ko) 2008-03-21 2015-03-30 삼성전자주식회사 다중 입출력 무선통신 시스템에서 상향링크 빔 성형 및 공간분할 다중 접속 장치 및 방법
US8576955B2 (en) * 2008-03-28 2013-11-05 Qualcomm Incorporated Architecture to handle concurrent multiple channels
KR101537591B1 (ko) 2008-04-07 2015-07-20 엘지전자 주식회사 Ｍｉｍｏ 시스템에서 모드 적응 방법
KR101573072B1 (ko) 2008-08-27 2015-12-01 엘지전자 주식회사 무선통신 시스템에서 제어정보 전송방법
US8599804B2 (en) * 2009-08-07 2013-12-03 Broadcom Corporation Distributed signal field for communications within multiple user, multiple access, and/or MIMO wireless communications
KR20110027533A (ko) * 2009-09-09 2011-03-16 엘지전자 주식회사 다중 안테나 시스템에서 제어정보 전송 방법 및 장치
KR101783927B1 (ko) * 2009-10-23 2017-10-10 마벨 월드 트레이드 리미티드 Ｗｌａｎ을 위한 훈련 시퀀스 지시자
JP5108035B2 (ja) 2010-01-06 2012-12-26 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、移動局装置及び制御情報送信方法
US8615052B2 (en) * 2010-10-06 2013-12-24 Marvell World Trade Ltd. Enhanced channel feedback for multi-user MIMO
CA2817956C (en) * 2010-11-15 2017-04-18 Lg Electronics Inc. Method and apparatus for determining modulation and coding scheme feedback in wireless local area network system

Also Published As

Publication number Publication date
EP2600536B1 (en) 2017-05-03
EP2600536A4 (en) 2015-06-03
US20170187486A1 (en) 2017-06-29
US20120218982A1 (en) 2012-08-30
EP3236592A1 (en) 2017-10-25
CN103098402A (zh) 2013-05-08
KR101396631B1 (ko) 2014-05-16
EP3402088A1 (en) 2018-11-14
WO2012002758A3 (ko) 2012-02-23
EP2600536A2 (en) 2013-06-05
PL3402088T6 (pl) 2023-07-17
EP3402088B3 (en) 2022-12-21
JP2013518508A (ja) 2013-05-20
CA2791705A1 (en) 2012-01-05
ES2816401T3 (es) 2021-04-05
KR20120117845A (ko) 2012-10-24
US10291350B2 (en) 2019-05-14
AU2011271829A1 (en) 2012-09-06
CN103098402B (zh) 2016-08-03
ES2816401T7 (es) 2023-03-14
US8879490B2 (en) 2014-11-04
MX2012010051A (es) 2012-09-21
EP3402088B1 (en) 2020-08-05
FI3402088T6 (fi) 2023-02-09
US20150023291A1 (en) 2015-01-22
WO2012002758A2 (ko) 2012-01-05
CA2791705C (en) 2016-01-12
US9634794B2 (en) 2017-04-25
EP3236592B1 (en) 2018-08-15
JP5400972B2 (ja) 2014-01-29
AU2011271829B2 (en) 2014-05-29

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