FI114263B - Monikantoaaltolähetys yhteisaalto-yleisradioverkoissa - Google Patents

Monikantoaaltolähetys yhteisaalto-yleisradioverkoissa Download PDF

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Publication number
FI114263B
FI114263B FI970204A FI970204A FI114263B FI 114263 B FI114263 B FI 114263B FI 970204 A FI970204 A FI 970204A FI 970204 A FI970204 A FI 970204A FI 114263 B FI114263 B FI 114263B
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FI
Finland
Prior art keywords
ofdm
data
symbols
intervals
för
Prior art date
Application number
FI970204A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI970204A0 (fi
FI970204A (fi
Inventor
Christfried Weck
Original Assignee
Konle Tilmar
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 Konle Tilmar filed Critical Konle Tilmar
Publication of FI970204A0 publication Critical patent/FI970204A0/fi
Publication of FI970204A publication Critical patent/FI970204A/fi
Application granted granted Critical
Publication of FI114263B publication Critical patent/FI114263B/fi

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Classifications

    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Transmission System (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Waveguides (AREA)
  • Near-Field Transmission Systems (AREA)
  • Television Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Handcart (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Small-Scale Networks (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Transmitters (AREA)
FI970204A 1994-07-20 1997-01-17 Monikantoaaltolähetys yhteisaalto-yleisradioverkoissa FI114263B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4425713 1994-07-20
DE4425713A DE4425713C1 (de) 1994-07-20 1994-07-20 Verfahren zur Vielträger Modulation und Demodulation von digital codierten Daten
EP9502868 1995-07-20
PCT/EP1995/002868 WO1996002989A1 (de) 1994-07-20 1995-07-20 Mehrträgerübertragung in gleichwellennetzen

Publications (3)

Publication Number Publication Date
FI970204A0 FI970204A0 (fi) 1997-01-17
FI970204A FI970204A (fi) 1997-01-17
FI114263B true FI114263B (fi) 2004-09-15

Family

ID=6523700

Family Applications (1)

Application Number Title Priority Date Filing Date
FI970204A FI114263B (fi) 1994-07-20 1997-01-17 Monikantoaaltolähetys yhteisaalto-yleisradioverkoissa

Country Status (15)

Country Link
US (1) US6115354A (ko)
EP (1) EP0771497B1 (ko)
JP (1) JP2901018B2 (ko)
KR (1) KR100335035B1 (ko)
AT (1) ATE170685T1 (ko)
AU (1) AU681806B2 (ko)
CA (1) CA2194394C (ko)
CZ (1) CZ286082B6 (ko)
DE (2) DE4425713C1 (ko)
DK (1) DK0771497T3 (ko)
ES (1) ES2121410T3 (ko)
FI (1) FI114263B (ko)
HU (1) HU215892B (ko)
PL (1) PL177232B1 (ko)
WO (1) WO1996002989A1 (ko)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2802255B2 (ja) * 1995-09-06 1998-09-24 株式会社次世代デジタルテレビジョン放送システム研究所 直交周波数分割多重伝送方式及びそれを用いる送信装置と受信装置
SE9600537L (sv) * 1996-02-14 1997-05-26 Telia Ab Förfarande och anordning i ett OFDM system med variabel varaktighet av symbolskur
DE19609909A1 (de) * 1996-03-14 1997-09-18 Deutsche Telekom Ag Verfahren und System zur OFDM-Mehrträger-Übertragung von digitalen Rundfunksignalen
JP3511798B2 (ja) * 1996-05-08 2004-03-29 三菱電機株式会社 ディジタル放送受信機
GB9611425D0 (en) * 1996-05-31 1996-08-07 Tracker Network Uk Ltd Digital communications
GB2329290B (en) * 1996-05-31 2001-04-18 Tracker Network Method of transmitting and receiving data,system and receiver therefor
JP3479418B2 (ja) * 1996-10-18 2003-12-15 アルパイン株式会社 デジタルオーディオ放送における受信装置
KR100234330B1 (ko) * 1997-09-30 1999-12-15 윤종용 Ofdm 시스템 수신기의 보호 구간 종류 검출장치 및 그 방법
GB2332602B (en) * 1997-12-22 2000-03-08 Lsi Logic Corp Improvements relating to multidirectional communication systems
EP2154854B1 (en) * 1998-01-06 2012-03-07 Mosaid Technologies Incorporated Multicarrier modulation system with variable symbol rates
US6519291B1 (en) * 1998-02-03 2003-02-11 Lucent Technologies Inc. Reduction of interference in discrete multi-tone (DMT) based communications systems
JP3985173B2 (ja) * 1998-05-29 2007-10-03 ソニー株式会社 変調装置および方法、復調装置および方法、並びにデータ格納媒体
DE19858106B4 (de) 1998-12-16 2014-09-25 Telefonaktiebolaget Lm Ericsson (Publ) Empfänger und Verfahren zum Verhindern einer Zwischensymbolstörung in einem Hochgeschwindigkeitsübertragungssystem
JP2000244441A (ja) * 1998-12-22 2000-09-08 Matsushita Electric Ind Co Ltd Ｏｆｄｍ送受信装置
FR2788907B1 (fr) * 1999-01-27 2001-04-13 St Microelectronics Sa Generation d'intervalle de garde dans une transmission en modulation dmt
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
FR2794915A1 (fr) * 1999-06-14 2000-12-15 Canon Kk Procede et dispositif d'emission, procede et dispositif de reception, et systemes les mettant en oeuvre
EP1065855A1 (en) * 1999-06-29 2001-01-03 Sony International (Europe) GmbH Adaptation of cyclic extensions in an OFDM communication system
CN1758619A (zh) * 1999-10-22 2006-04-12 耐克斯特奈特无线公司 利用具有内部天线的cpe的固定ofdm无线大城市区通信网
JP3437513B2 (ja) * 1999-11-30 2003-08-18 松下電器産業株式会社 マルチキャリア通信装置及びマルチキャリア通信方法
FR2816777B1 (fr) * 2000-11-13 2003-01-10 Canon Kk Procede et dispositif pour la transmission de donnees hierarchisees
JP3798656B2 (ja) * 2001-06-22 2006-07-19 株式会社ケンウッド 直交周波数分割多重信号受信装置、受信装置、直交周波数分割多重信号受信方法及び受信方法
US6985531B2 (en) * 2001-07-13 2006-01-10 Cyntrust Communications, Inc. Dual domain differential encoder/decoder
WO2003047140A1 (fr) * 2001-11-28 2003-06-05 Fujitsu Limited Procede de transmission multiplex a division de frequences orthogonales
EP2385665A1 (en) 2002-03-08 2011-11-09 Aware, Inc. System and method for OFDM communications using different cyclic prefix lengths
PT1376971E (pt) * 2002-06-27 2005-11-30 Siemens Ag Processo e dispositivo para a transmissao de uma sequencia de dados com troco de proteccao e troco de dados uteis num sistema de comunicacoes via radio
US8194770B2 (en) 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US20040081131A1 (en) * 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
GB0225313D0 (en) * 2002-10-31 2002-12-11 Roke Manor Research Variable-length guard period for multiple carrier radio systems
US7292640B2 (en) * 2003-10-03 2007-11-06 Harris Corporation System and method for an adaptive receiver for the reception of signals subject to multipath interference
JP4291673B2 (ja) * 2003-11-11 2009-07-08 株式会社エヌ・ティ・ティ・ドコモ Ｏｆｄｍ受信機
JP4291674B2 (ja) * 2003-11-11 2009-07-08 株式会社エヌ・ティ・ティ・ドコモ Ｏｆｄｍ送信機及びｏｆｄｍ受信機
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
FR2866507B1 (fr) * 2004-02-16 2006-05-05 Wavecom Signal de radiotelephonie cellulaire permettant une synchronisation au niveau sous-trame d'un canal supplementaire a l'aide d'un canal principal, procede, mobile et station de base correspondants.
US8582596B2 (en) 2004-06-04 2013-11-12 Qualcomm Incorporated Coding and modulation for broadcast and multicast services in a wireless communication system
TWI266497B (en) * 2004-11-15 2006-11-11 Chung Shan Inst Of Science Device and method of defining symbol timing window for capturing signal
JP4167646B2 (ja) * 2004-11-30 2008-10-15 株式会社東芝 Ｏｆｄｍ復調装置
JP4444294B2 (ja) * 2004-12-14 2010-03-31 富士通株式会社 無線通信装置および通信方法
US20060176966A1 (en) * 2005-02-07 2006-08-10 Stewart Kenneth A Variable cyclic prefix in mixed-mode wireless communication systems
KR101085703B1 (ko) * 2005-03-22 2011-11-22 삼성전자주식회사 직교주파수분할 다중화 시스템에서 제어 정보 및 데이터를전송하는 방법 및 장치
RU2007137563A (ru) * 2005-04-15 2009-05-20 Нокиа Корпорейшн (Fi) Способ синхронизации в многоканальной системе, использующей переменные защитные интервалы
JP4463723B2 (ja) 2005-04-28 2010-05-19 株式会社エヌ・ティ・ティ・ドコモ 送信機及び送信方法
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
JP4732808B2 (ja) * 2005-06-14 2011-07-27 株式会社エヌ・ティ・ティ・ドコモ 無線パラメータ群を生成する装置
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
JP2006352786A (ja) * 2005-06-20 2006-12-28 Sharp Corp Ｏｆｄｍ無線通信システムおよび基地局装置および端末局装置
EP1929822A2 (en) * 2005-09-28 2008-06-11 LG Electronics Inc. A method and apparatus of preprocessing for frequency domain signal processing
US8363738B2 (en) 2005-12-05 2013-01-29 Qualcomm Incorporated Hierarchical coding for multicast messages
KR101018611B1 (ko) 2005-12-05 2011-03-02 퀄컴 인코포레이티드 멀티캐스트 메시지들에 대한 계층적 코딩
WO2007074525A1 (ja) * 2005-12-27 2007-07-05 Fujitsu Limited 無線通信方法並びに送信機及び受信機
US20110013706A1 (en) * 2006-01-18 2011-01-20 Siemens Aktiengesellschaft Method for transmitting signals in a radio communication system
JP5108232B2 (ja) * 2006-01-20 2012-12-26 富士通株式会社 無線通信システム及び無線通信方法
DE102006004446A1 (de) * 2006-01-31 2007-08-09 Siemens Ag Verfahren zur Random-Access-Signalisierung
JP4405471B2 (ja) * 2006-01-31 2010-01-27 株式会社東芝 セルラー無線通信システム、基地局、無線端末および無線通信方法
KR101012385B1 (ko) * 2006-03-24 2011-02-09 엘지전자 주식회사 상이한 채널 조건들과 1ｘＥＶ－ＤＯ 및 ＮｘＥＶ－ＤＯ 와의 구 호환을 위한 ＯＦＤＭ 심볼 설계
CN1913513B (zh) * 2006-07-31 2010-08-04 华为技术有限公司 一种自动识别保护间隔的方法和终端
KR101358990B1 (ko) * 2006-08-10 2014-02-17 삼성전자주식회사 피드백 정보 전송 방법 및 장치
US8400998B2 (en) 2006-08-23 2013-03-19 Motorola Mobility Llc Downlink control channel signaling in wireless communication systems
CN101536377A (zh) * 2006-12-15 2009-09-16 中兴通讯股份有限公司 一种应用于正交频分复用系统的数据传送方法
KR20080072508A (ko) 2007-02-02 2008-08-06 엘지전자 주식회사 다양한 자원 블록 길이를 가지는 시퀀스 할당 방법 및 이를위한 시퀀스 그룹핑 방법
US8589770B2 (en) * 2007-02-26 2013-11-19 Ati Technologies Ulc Robust control/delineation in serial streams
US7787548B2 (en) * 2007-03-15 2010-08-31 Nokia Corporation Digital broadcast service discovery correlation
SI2132912T1 (sl) * 2007-03-15 2016-07-29 Nokia Technologies Oy Soodvisnost odkrivanja digitalnega oddajanja
US7796706B2 (en) * 2007-03-15 2010-09-14 Nokia Corporation Digital broadcast service discovery correlation
JP4499762B2 (ja) * 2007-05-08 2010-07-07 富士通株式会社 直交周波数分割多重伝送方法
JP5195906B2 (ja) * 2008-04-08 2013-05-15 日本電気株式会社 無線通信システム、無線通信装置、無線通信方法、プログラム
US8411807B1 (en) * 2008-09-02 2013-04-02 Cisco Technology, Inc. Mid-packet clear channel assessment
JP4782220B2 (ja) * 2009-07-10 2011-09-28 株式会社エヌ・ティ・ティ・ドコモ 受信機及び受信方法
WO2011009128A1 (en) * 2009-07-17 2011-01-20 Aware, Inc. Combined data and probe (cdp) frame
JP4629786B2 (ja) * 2009-09-14 2011-02-09 富士通株式会社 直交周波数分割多重伝送方法
AU2010340729B2 (en) 2010-01-08 2014-04-17 Sun Patent Trust OFDM transmitter device, OFDM transmission method, OFDM receiver device, and OFDM reception method
JP4598878B2 (ja) * 2010-01-18 2010-12-15 富士通株式会社 直交周波数分割多重伝送装置
JP4782229B2 (ja) * 2010-01-29 2011-09-28 株式会社エヌ・ティ・ティ・ドコモ 送信機及び送信方法、移動通信システム
JP2011019265A (ja) * 2010-08-30 2011-01-27 Sharp Corp Ｏｆｄｍ無線通信システムおよび送信装置
US8761272B2 (en) * 2011-01-10 2014-06-24 Sony Corporation System and communications device for transmitting data via a powerline and corresponding method
JP5432958B2 (ja) * 2011-08-16 2014-03-05 富士通株式会社 無線通信システム及び無線通信方法
GB2513839A (en) * 2013-03-28 2014-11-12 Sony Corp Transmitter and method of transmitting
US20140294124A1 (en) 2013-03-28 2014-10-02 Sony Corporation Transmitter and method of transmitting and receiver and method of detecting ofdm signals
GB2515801A (en) 2013-07-04 2015-01-07 Sony Corp Transmitter and receiver and methods of transmitting and receiving
EP3029901A1 (en) * 2014-12-02 2016-06-08 Alcatel Lucent A method for allocation of physical layer parameters of a signal, and a base station transceiver and a user terminal therefor
WO2019112721A1 (en) 2017-12-06 2019-06-13 Marvell World Trade Ltd. Methods and apparatus for generation of physical layer protocol data units for vehicular environments
WO2019207425A1 (en) 2018-04-26 2019-10-31 Marvell World Trade Ltd. Pilots for wireless access in vehicular environments
CN110445587B (zh) * 2018-05-04 2022-01-14 华为技术有限公司 信息传输方法和信息传输装置
WO2020210546A1 (en) 2019-04-09 2020-10-15 Marvell Asia Pte, Ltd. Generation and transmission of physical layer data units in a composite communication channel in a vehicular communication network

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866541A (ja) * 1981-10-15 1983-04-20 松下電工株式会社 ３相電力線搬送制御装置
FR2639495B1 (fr) * 1988-11-18 1993-12-17 Etat Francais Cnet Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et synchronisation analogique
FR2658017B1 (fr) * 1990-02-06 1992-06-05 France Etat Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et aide a l'acquisition de la commande automatique de frequence, et recepteur correspondant.
US5600672A (en) * 1991-03-27 1997-02-04 Matsushita Electric Industrial Co., Ltd. Communication system
US5371548A (en) * 1993-07-09 1994-12-06 Cable Television Laboratories, Inc. System for transmission of digital data using orthogonal frequency division multiplexing
JP3514811B2 (ja) * 1994-03-31 2004-03-31 株式会社東芝 Ｏｆｄｍ伝送方法、ｏｆｄｍ送信装置及びｏｆｄｍ受信装置
JP3130752B2 (ja) * 1995-02-24 2001-01-31 株式会社東芝 Ｏｆｄｍ伝送受信方式及び送受信装置
US5710765A (en) * 1995-11-06 1998-01-20 Matsushita Electric Industrial Co., Ltd. Method and apparatus for increasing the system efficiency of a TDMA system by reducing time slot guard time

Also Published As

Publication number Publication date
EP0771497B1 (de) 1998-09-02
KR970705264A (ko) 1997-09-06
EP0771497A1 (de) 1997-05-07
WO1996002989A1 (de) 1996-02-01
ES2121410T3 (es) 1998-11-16
ATE170685T1 (de) 1998-09-15
CZ369796A3 (en) 1997-04-16
CA2194394A1 (en) 1996-02-01
HU215892B (hu) 1999-03-29
HU9603628D0 (en) 1997-02-28
PL318348A1 (en) 1997-06-09
AU681806B2 (en) 1997-09-04
PL177232B1 (pl) 1999-10-29
CZ286082B6 (cs) 2000-01-12
JP2901018B2 (ja) 1999-06-02
CA2194394C (en) 2001-12-25
AU3162795A (en) 1996-02-16
DK0771497T3 (da) 1999-06-07
HUT77417A (hu) 1998-04-28
DE4425713C1 (de) 1995-04-20
FI970204A0 (fi) 1997-01-17
KR100335035B1 (ko) 2002-11-22
DE59503453D1 (de) 1998-10-08
US6115354A (en) 2000-09-05
FI970204A (fi) 1997-01-17
JPH09512156A (ja) 1997-12-02

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