DK1712043T3 - Fremgangsmåde til signalering af information ved hjælp af modificerende modulationskonstellationer - Google Patents

Fremgangsmåde til signalering af information ved hjælp af modificerende modulationskonstellationer

Info

Publication number
DK1712043T3
DK1712043T3 DK05705413T DK05705413T DK1712043T3 DK 1712043 T3 DK1712043 T3 DK 1712043T3 DK 05705413 T DK05705413 T DK 05705413T DK 05705413 T DK05705413 T DK 05705413T DK 1712043 T3 DK1712043 T3 DK 1712043T3
Authority
DK
Denmark
Prior art keywords
signaling information
modulation constellations
modifying
data unit
modifying modulation
Prior art date
Application number
DK05705413T
Other languages
English (en)
Inventor
Adrian Stephens
John Sadowsky
Original Assignee
Intel Corp
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 Intel Corp filed Critical Intel Corp
Application granted granted Critical
Publication of DK1712043T3 publication Critical patent/DK1712043T3/da

Links

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
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H03M13/255—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with Low Density Parity Check [LDPC] codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • 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
    • H04L27/2603—Signal structure ensuring backward compatibility with legacy system
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • 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
    • H04L27/2649—Demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • 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
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Small-Scale Networks (AREA)
  • Radio Relay Systems (AREA)
DK05705413T 2004-01-12 2005-01-11 Fremgangsmåde til signalering af information ved hjælp af modificerende modulationskonstellationer DK1712043T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53607104P 2004-01-12 2004-01-12
US11/018,414 US7474608B2 (en) 2004-01-12 2004-12-20 Method for signaling information by modifying modulation constellations
PCT/US2005/000736 WO2005071898A1 (en) 2004-01-12 2005-01-11 Method for signaling information by modifying modulation constellations

Publications (1)

Publication Number Publication Date
DK1712043T3 true DK1712043T3 (da) 2009-06-29

Family

ID=34810384

Family Applications (2)

Application Number Title Priority Date Filing Date
DK09000404.5T DK2056637T3 (da) 2004-01-12 2005-01-11 Fremgangsmåde til signalering af information ved hjælp af modificerende modulationskonstellationer
DK05705413T DK1712043T3 (da) 2004-01-12 2005-01-11 Fremgangsmåde til signalering af information ved hjælp af modificerende modulationskonstellationer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK09000404.5T DK2056637T3 (da) 2004-01-12 2005-01-11 Fremgangsmåde til signalering af information ved hjælp af modificerende modulationskonstellationer

Country Status (10)

Country Link
US (6) US7474608B2 (da)
EP (2) EP1712043B1 (da)
CN (1) CN102164107B (da)
AT (2) ATE429752T1 (da)
DE (1) DE602005014083D1 (da)
DK (2) DK2056637T3 (da)
ES (1) ES2326087T3 (da)
HK (1) HK1161942A1 (da)
TW (1) TWI272789B (da)
WO (1) WO2005071898A1 (da)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004355783A (ja) * 2003-05-30 2004-12-16 Sharp Corp 光情報記録媒体とその再生方法
US7315577B2 (en) * 2003-09-15 2008-01-01 Intel Corporation Multiple antenna systems and method using high-throughput space-frequency block codes
US7440510B2 (en) * 2003-09-15 2008-10-21 Intel Corporation Multicarrier transmitter, multicarrier receiver, and methods for communicating multiple spatial signal streams
US7542453B2 (en) 2004-01-08 2009-06-02 Sony Corporation Wireless communication system, wireless communication apparatus, wireless communication method, and computer program
US7474608B2 (en) 2004-01-12 2009-01-06 Intel Corporation Method for signaling information by modifying modulation constellations
US7742533B2 (en) * 2004-03-12 2010-06-22 Kabushiki Kaisha Toshiba OFDM signal transmission method and apparatus
JP3754441B1 (ja) * 2004-09-10 2006-03-15 三洋電機株式会社 受信方法ならびに装置およびそれを利用した通信システム
US7881390B2 (en) * 2004-12-01 2011-02-01 Intel Corporation Increased discrete point processing in an OFDM 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
US7978759B1 (en) * 2005-03-24 2011-07-12 Marvell International Ltd. Scalable equalizer for multiple-in-multiple-out (MIMO) wireless transmission
US20090080547A1 (en) * 2005-08-22 2009-03-26 Matsushita Electric Industrial Co., Ltd. Base station apparatus and mobile station apparatus
US7742390B2 (en) * 2005-08-23 2010-06-22 Agere Systems Inc. Method and apparatus for improved long preamble formats in a multiple antenna communication system
US7855993B2 (en) * 2005-08-23 2010-12-21 Agere Systems Inc. Method and apparatus for reducing power fluctuations during preamble training in a multiple antenna communication system using cyclic delays
US7742389B2 (en) * 2005-08-23 2010-06-22 Agere Systems Inc. Method and apparatus for improved short preamble formats in a multiple antenna communication system
US7711061B2 (en) * 2005-08-24 2010-05-04 Broadcom Corporation Preamble formats supporting high-throughput MIMO WLAN and auto-detection
US8081687B2 (en) * 2005-11-11 2011-12-20 Broadcom Corporation Received signal determination based upon frame classification
US7957474B2 (en) * 2006-01-26 2011-06-07 Texas Instruments Incorporated Robust detection of packet types
JP4367422B2 (ja) * 2006-02-14 2009-11-18 ソニー株式会社 無線通信装置及び無線通信方法
JP4816123B2 (ja) * 2006-02-17 2011-11-16 ソニー株式会社 無線通信装置及び無線通信方法
US20070211748A1 (en) * 2006-03-13 2007-09-13 Stephens Adrian P Wireless network channell access techniques
KR101404275B1 (ko) 2008-05-30 2014-06-30 엘지전자 주식회사 Ｖｈｔ 무선랜 시스템에서 ｐｐｄｕ의 채널 할당 방법 및이를 지원하는 스테이션
US9935805B2 (en) * 2009-08-25 2018-04-03 Qualcomm Incorporated MIMO and MU-MIMO OFDM preambles
US8553730B2 (en) 2009-08-31 2013-10-08 Texas Instruments Incorporated Short and long training fields
US9042331B2 (en) 2009-09-09 2015-05-26 Lg Electronics Inc. Method and apparatus for transmitting control information in WLAN system
KR20110027533A (ko) 2009-09-09 2011-03-16 엘지전자 주식회사 다중 안테나 시스템에서 제어정보 전송 방법 및 장치
US8509329B2 (en) * 2009-11-06 2013-08-13 Samsung Electronics Co., Ltd. Data receiving apparatus for receiving data frame using constellation mapping scheme and data transmission apparatus for transmitting the date frame
KR101652413B1 (ko) * 2009-11-06 2016-08-30 삼성전자주식회사 콘스텔레이션 매핑 기법을 이용하여 데이터 프레임을 수신하는 데이터 수신 장치 및 상기 데이터 프레임을 전송하는 데이터 전송 장치
US11902068B2 (en) 2009-11-09 2024-02-13 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for transmitting PLCP frame in wireless local area network system
US8681757B2 (en) 2009-11-09 2014-03-25 Lg Electronics Inc. Method and apparatus for transmitting PLCP frame in wireless local area network system
EP2499865B1 (fr) 2009-11-13 2015-06-17 Orange Procede de mise en sommeil d'au moins un composant d'une entite d'un reseau de communication, dispositif et programme d'ordinateur correspondants
US8817920B2 (en) * 2009-12-18 2014-08-26 Electronics And Telecommunications Research Institute Apparatus and method for detecting signal in wireless communication system
KR101298592B1 (ko) 2009-12-18 2013-08-22 한국전자통신연구원 무선 통신 시스템에서 신호 검출 장치 및 방법
KR101638917B1 (ko) * 2010-02-09 2016-07-13 엘지전자 주식회사 무선랜에서 ｐｐｄｕ 프레임 전송 방법 및 장치
KR101331674B1 (ko) 2010-02-12 2013-11-20 엘지전자 주식회사 무선랜 시스템에서 제어 정보 전송 방법 및 장치
US8718191B2 (en) * 2010-02-23 2014-05-06 Electronics And Telecommunications Research Institute Method and apparatus for transmitting/receiving data in wireless communication system
AU2011271829B2 (en) * 2010-07-01 2014-05-29 Lg Electronics Inc. Method and apparatus for transceiving a MIMO packet in a wireless LAN system
KR20120091494A (ko) * 2010-12-23 2012-08-20 한국전자통신연구원 무선랜 시스템에서의 신호 검출 방법 및 장치
US8934413B2 (en) * 2011-05-13 2015-01-13 Qualcomm Incorporated Systems and methods for wireless communication of packets having a plurality of formats
US9385911B2 (en) 2011-05-13 2016-07-05 Sameer Vermani Systems and methods for wireless communication of packets having a plurality of formats
US9154363B2 (en) 2011-05-13 2015-10-06 Qualcomm Incorporated Systems and methods for wireless communication of packets having a plurality of formats
KR20130059686A (ko) 2011-11-29 2013-06-07 한국전자통신연구원 무선 통신 시스템에서 무선 신호 송수신 방법 및 이를 지원하는 장치
US8953720B1 (en) 2012-01-20 2015-02-10 Marvell International Ltd. Packet type auto-detection in a wireless local area network (WLAN)
EP2712138A3 (en) * 2012-09-24 2014-06-18 ST-Ericsson SA Interference cancellation technique for channel estimation in ofdm receivers
JP6252586B2 (ja) * 2013-06-21 2017-12-27 富士通株式会社 送信装置、受信装置、送信方法および受信方法
CN105453506B (zh) 2013-08-01 2019-05-28 Lg 电子株式会社 发送广播信号的设备、方法及接收广播信号的设备、方法
CN105519067B (zh) * 2013-09-18 2020-04-03 华为技术有限公司 传输信令的方法、装置和计算机可读介质
WO2015058005A2 (en) 2013-10-16 2015-04-23 Interdigital Patent Holdings, Inc. METHOD AND SYSTEM FOR MILLIMETER WAVE HOTSPOT (mmH) BACKHAUL AND PHYSICAL (PHY) LAYER TRANSMISSIONS
WO2015123887A1 (zh) * 2014-02-24 2015-08-27 华为技术有限公司 一种信息接收发送的方法及装置
US9641651B2 (en) 2014-03-06 2017-05-02 Apple Inc. Backward compatible L-LTF design for implementation friendly preamble
WO2015198145A1 (en) 2014-06-27 2015-12-30 Techflux, Ltd. Bandwidth signaling
EP3162015B1 (en) 2014-06-27 2021-08-11 Techflux Inc. Method and device for transmitting data unit
US10154485B2 (en) * 2015-03-24 2018-12-11 Qualcomm Incorporated Beacons for tiered sharing of spectrum
US11132690B2 (en) 2015-06-19 2021-09-28 Wells Fargo Bank, N.A. Pairing transactions and notifications
WO2017003185A1 (ko) * 2015-06-29 2017-01-05 주식회사 윌러스표준기술연구소 레거시 무선 통신 단말과 공존을 위한 무선 통신 방법 및 무선 통신 단말
US10187239B2 (en) * 2015-11-05 2019-01-22 Huawei Technologies Co., Ltd. Systems and methods to reduce the peak-to-average power ratio (PAPR) of signals in channel bonding
CN108449728B (zh) 2016-01-07 2019-07-09 华为技术有限公司 无线局域网信息传输方法和装置
TWI617160B (zh) * 2016-05-20 2018-03-01 晨星半導體股份有限公司 提升編碼率搜尋可靠度之訊號偵測方法及訊號接收裝置
US11102043B2 (en) * 2017-01-18 2021-08-24 Cable Television Laboratories, Inc. Systems and methods for OFDM duobinary transmission
US11863366B2 (en) 2017-01-18 2024-01-02 Cable Television Laboratories, Inc. Systems and methods for OFDM duobinary transmission
CN107171702A (zh) * 2017-05-12 2017-09-15 重庆大学 基于pca演进的大规模mimo信道反馈方法
CN107995142B (zh) * 2017-12-04 2020-12-22 郭海燕 0dB功率回退共模振幅调制器及正交振幅调制发射机
US10547489B2 (en) * 2018-03-13 2020-01-28 University Of South Florida OFDM reception under high adjacent channel interference while preserving frame structure
EP4142381B1 (en) 2018-07-03 2024-05-01 LG Electronics, Inc. Method and device for identifying packet in wireless lan system

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707128B1 (fr) * 1993-06-29 1995-08-18 Alcatel Telspace Dispositif de détection de mot unique modulé en BPSK adapté à un modem analogique fonctionnant en mode TMDA et procédé de détection mis en Óoeuvre dans un tel dispositif.
US5712870A (en) 1995-07-31 1998-01-27 Harris Corporation Packet header generation and detection circuitry
US5982807A (en) 1997-03-17 1999-11-09 Harris Corporation High data rate spread spectrum transceiver and associated methods
US6219356B1 (en) * 1997-11-07 2001-04-17 International Business Machines Corporation Method for multipath resistant waveform coding for high speed wireless data transmission
CN1152539C (zh) * 2001-07-04 2004-06-02 华为技术有限公司 八相移相键控调制方法及装置
US6882679B2 (en) * 2000-12-29 2005-04-19 Sharp Laboratories Of America, Inc. Extension of wireless local area network communication system to accommodate higher data rates while preserving legacy receiver features
US6754195B2 (en) 2001-07-06 2004-06-22 Intersil Americas Inc. Wireless communication system configured to communicate using a mixed waveform configuration
CN1640033A (zh) * 2002-03-08 2005-07-13 艾威尔公司 用于高速率正交频分复用通信的***和方法
US6940843B2 (en) * 2003-02-14 2005-09-06 Cisco Technology, Inc. Selecting an access point according to a measure of received signal quality
US7203207B2 (en) * 2003-05-30 2007-04-10 Motorola, Inc. Method for selecting an operating mode based on a detected synchronization pattern
US7075906B2 (en) * 2003-09-30 2006-07-11 Cisco Technology, Inc. Method and apparatus for cell identification in wireless data networks
US7050768B2 (en) * 2003-12-22 2006-05-23 Texas Instruments Incorporated Signal field controller, method of controlling and MIMO transmitter employing the same
US7474608B2 (en) 2004-01-12 2009-01-06 Intel Corporation Method for signaling information by modifying modulation constellations
US7395495B2 (en) * 2004-01-12 2008-07-01 Intel Corporation Method and apparatus for decoding forward error correction codes
MY142160A (en) 2004-12-20 2010-10-15 Apple Inc Method for signaling information by modifying modulation constellations
KR100833515B1 (ko) * 2006-12-05 2008-05-29 한국전자통신연구원 가변 정보 길이 및 가변 부호율을 가진 ｌｄｐｃ 부호의패리티 검사 행렬 생성 방법, 부/복호화 방법 및 이를이용하는 장치
KR20100058260A (ko) * 2008-11-24 2010-06-03 삼성전자주식회사 저밀도 패리티 검사 부호를 사용하는 통신 시스템에서 채널부호/복호 장치 및 방법
US20130279379A1 (en) * 2012-04-24 2013-10-24 Qualcomm Incorporated Systems and methods for wireless communication of long data units

Also Published As

Publication number Publication date
US20170118061A1 (en) 2017-04-27
CN102164107B (zh) 2013-11-20
US20130290807A1 (en) 2013-10-31
DE602005014083D1 (de) 2009-06-04
HK1161942A1 (en) 2012-08-10
US10177956B2 (en) 2019-01-08
EP2056637B1 (en) 2011-06-01
US9379863B2 (en) 2016-06-28
ES2326087T3 (es) 2009-09-30
US9954716B2 (en) 2018-04-24
TW200533105A (en) 2005-10-01
ATE511729T1 (de) 2011-06-15
EP2056637A3 (en) 2009-07-15
EP1712043A1 (en) 2006-10-18
US20170288934A1 (en) 2017-10-05
EP2056637A2 (en) 2009-05-06
US9001636B2 (en) 2015-04-07
ATE429752T1 (de) 2009-05-15
US7474608B2 (en) 2009-01-06
EP1712043B1 (en) 2009-04-22
US20140064223A1 (en) 2014-03-06
US9270429B2 (en) 2016-02-23
TWI272789B (en) 2007-02-01
US20050174927A1 (en) 2005-08-11
DK2056637T3 (da) 2011-07-04
US20090122694A1 (en) 2009-05-14
CN102164107A (zh) 2011-08-24
WO2005071898A1 (en) 2005-08-04

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