DE60040432D1 - Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung sowie von der Komplexität des Entzerrers in Mehrträgerübertragungssystemen - Google Patents

Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung sowie von der Komplexität des Entzerrers in Mehrträgerübertragungssystemen

Info

Publication number
DE60040432D1
DE60040432D1 DE60040432T DE60040432T DE60040432D1 DE 60040432 D1 DE60040432 D1 DE 60040432D1 DE 60040432 T DE60040432 T DE 60040432T DE 60040432 T DE60040432 T DE 60040432T DE 60040432 D1 DE60040432 D1 DE 60040432D1
Authority
DE
Germany
Prior art keywords
equalizer
complexity
peak
reducing
ratio
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
DE60040432T
Other languages
English (en)
Inventor
Yung-Soo Kim
Ji-Hoon Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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
Priority claimed from KR10-1999-0018852A external-priority patent/KR100455278B1/ko
Priority claimed from KR1020000007875A external-priority patent/KR100363254B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of DE60040432D1 publication Critical patent/DE60040432D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2627Modulators
    • H04L27/2628Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2649Demodulators
    • H04L27/265Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H04L27/26522Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators using partial FFTs
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Error Detection And Correction (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Transmitters (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60040432T 1999-05-25 2000-05-25 Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung sowie von der Komplexität des Entzerrers in Mehrträgerübertragungssystemen Expired - Fee Related DE60040432D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-1999-0018852A KR100455278B1 (ko) 1999-05-25 1999-05-25 신호 전송 방법 및 장치
KR1020000007875A KR100363254B1 (ko) 2000-02-18 2000-02-18 직교 주파수 분할 다중 신호의 송/수신 장치 및 방법

Publications (1)

Publication Number Publication Date
DE60040432D1 true DE60040432D1 (de) 2008-11-20

Family

ID=26635233

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60040432T Expired - Fee Related DE60040432D1 (de) 1999-05-25 2000-05-25 Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung sowie von der Komplexität des Entzerrers in Mehrträgerübertragungssystemen
DE60042180T Expired - Fee Related DE60042180D1 (de) 1999-05-25 2000-05-25 Vorrichtung und Verfahren zur Übertragung und zum Empfang eine OFDM-Signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60042180T Expired - Fee Related DE60042180D1 (de) 1999-05-25 2000-05-25 Vorrichtung und Verfahren zur Übertragung und zum Empfang eine OFDM-Signals

Country Status (4)

Country Link
US (1) US6952394B1 (de)
EP (2) EP1758329B1 (de)
JP (1) JP2001060936A (de)
DE (2) DE60040432D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105095232A (zh) * 2014-04-29 2015-11-25 联想(北京)有限公司 一种信息处理方法及电子设备

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6611551B1 (en) * 1999-01-21 2003-08-26 Cisco Technology, Inc. OFDM channel identification
US7646702B2 (en) * 2000-11-17 2010-01-12 Panasonic Corporation OFDM communication apparatus
US6944206B1 (en) * 2000-11-20 2005-09-13 Ericsson Inc. Rate one coding and decoding methods and systems
KR100375350B1 (ko) 2001-03-26 2003-03-08 삼성전자주식회사 직교 주파수 분할 다중 접속에 기반한 데이타 통신 장치및 방법
JP3396815B2 (ja) * 2001-06-20 2003-04-14 富士通株式会社 データ伝送方法及びデータ伝送装置
US6990059B1 (en) 2001-09-05 2006-01-24 Cisco Technology, Inc. Interference mitigation in a wireless communication system
US7855948B2 (en) 2001-09-05 2010-12-21 Cisco Technology, Inc. Interference mitigation in a wireless communication system
US7224742B2 (en) * 2001-12-14 2007-05-29 Samsung Electronics Co., Ltd. Apparatus and method for reducing the peak-to-average power ratio of OFDM/OFDMA signals
KR100866181B1 (ko) * 2002-07-30 2008-10-30 삼성전자주식회사 통신 시스템에서 신호 송수신 방법 및 장치
BR0215922A (pt) * 2002-11-07 2005-08-09 Ericsson Telefon Ab L M Método para comunicar quadros de dados digitais por sinais modulados em ofdm, transmissor, e, receptor
CN100589475C (zh) * 2003-04-21 2010-02-10 Rgb网络有限公司 有线电视信号的宽频带多通道正交振幅调制
US7289425B2 (en) * 2003-06-20 2007-10-30 The Aerospace Corporation Parallel orthogonal frequency division multiplexed communication system
CN101065963B (zh) 2003-08-29 2010-09-15 Rgb网络有限公司 提供低延迟类vcr效果和节目改变的视频多路复用器系统
US7606138B2 (en) * 2003-09-29 2009-10-20 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry, Through The Communications Research Centre Canada Multi-symbol encapsulated OFDM system
US7366243B1 (en) * 2003-10-29 2008-04-29 Itt Manufacturing Enterprises, Inc. Methods and apparatus for transmitting non-contiguous spread spectrum signals for communications and navigation
KR20050081244A (ko) * 2004-02-12 2005-08-18 삼성전자주식회사 직교주파수분할다중화 기반의 통신 시스템을 위한 시간동기화 방법
US7362812B1 (en) * 2004-05-06 2008-04-22 Advanced Micro Devices, Inc. Channel tracking using step size based on norm-1 based errors across multiple OFDM symbols
US7342978B2 (en) * 2004-06-02 2008-03-11 Industrial Technology Research Institute Method and apparatus for PAPR reduction of an OFDM signal
KR20060059221A (ko) * 2004-11-26 2006-06-01 삼성전자주식회사 멀티캐리어 통신 시스템에서 피크대 평균 전력비 감소 장치및 방법
US7489755B2 (en) * 2005-02-09 2009-02-10 Motorola, Inc. Method and apparatus for transmission and reception of data
US7894818B2 (en) * 2005-06-15 2011-02-22 Samsung Electronics Co., Ltd. Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network
US20070004465A1 (en) * 2005-06-29 2007-01-04 Aris Papasakellariou Pilot Channel Design for Communication Systems
KR101005617B1 (ko) * 2005-12-08 2011-01-05 한국전자통신연구원 다중 안테나를 구비한 직교주파수 분할 다중 접속 시스템의수신 장치 및 방법
WO2007112489A1 (en) * 2006-04-03 2007-10-11 National Ict Australia Limited Channel estimation for rapid dispersive fading channels
US7675983B2 (en) * 2006-04-14 2010-03-09 Freescale Semiconductor, Inc. Mitigation of DC distortion in OFDM receivers
KR100962114B1 (ko) * 2006-11-23 2010-06-10 삼성전자주식회사 광대역 무선통신시스템에서 채널 추정 장치 및 방법
EP2127169A1 (de) * 2007-01-19 2009-12-02 Thomson Licensing Interpolationsverfahren für ein ofdm-system und kanalschätzverfahren und vorrichtung
KR100969771B1 (ko) * 2007-01-31 2010-07-13 삼성전자주식회사 통신 시스템에서 신호 송수신 장치 및 방법
JP4342565B2 (ja) * 2007-03-08 2009-10-14 株式会社東芝 送信機および受信機
DE112008001376T5 (de) * 2007-05-28 2010-04-08 Advantest Corporation Messgerät und Programm
US8311137B1 (en) 2008-01-24 2012-11-13 Marvell International Ltd. Method for DC offset removal in OFDM systems
JPWO2009133742A1 (ja) * 2008-04-30 2011-09-01 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
US8428538B2 (en) * 2008-07-09 2013-04-23 Intel Mobile Communications GmbH Channel estimator
US8830926B2 (en) * 2008-10-27 2014-09-09 Nokia Siemens Networks Oy Method for network co-ordination in a mobile communications system and apparatus thereof
CN101437010B (zh) * 2008-12-03 2012-10-03 华为终端有限公司 一种正交频分复用系统信道估计方法和装置
CN102685065A (zh) * 2012-06-20 2012-09-19 能士智能港四川科技发展有限公司 光正交频分复用oofdm收发器的信号快速处理方法
US9264924B2 (en) * 2013-03-07 2016-02-16 Cable Television Laboratories, Inc. Signal noise estimation
US20140376418A1 (en) * 2013-06-25 2014-12-25 Raja Banerjea Enhanced modulator and demodulator
WO2017201467A1 (en) * 2016-05-20 2017-11-23 Cohere Technologies Iterative channel estimation and equalization with superimposed reference signals
US10135649B2 (en) * 2016-09-02 2018-11-20 Marvell World Trade Ltd. Systems and methods for performing multi-level coding in a discrete multitone modulation communication system
KR20180064817A (ko) 2016-12-06 2018-06-15 삼성전자주식회사 무선 통신 시스템 및 이의 동작 방법
KR102590959B1 (ko) * 2019-02-25 2023-10-18 주식회사 엘지화학 광학 디바이스
US11362694B1 (en) * 2021-05-05 2022-06-14 Qualcomm Incorporated Signal reconstruction for non-linearly distorted signal
CN114866391B (zh) * 2022-04-29 2023-08-08 西安交通大学 Siso-ofdm系统及其基于端到端神经网络的信号传输方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2904986B2 (ja) 1992-01-31 1999-06-14 日本放送協会 直交周波数分割多重ディジタル信号送信装置および受信装置
GB9218874D0 (en) 1992-09-07 1992-10-21 British Broadcasting Corp Improvements relating to the transmission of frequency division multiplex signals
US5623513A (en) 1993-12-13 1997-04-22 Amati Communications Corporation Mitigating clipping and quantization effects in digital transmission systems
EP0982908B1 (de) 1994-05-09 2005-03-09 Victor Company Of Japan, Limited Einstellung eines Referenzunterträgers bei Mehrträgerübertragung
FR2726417A1 (fr) * 1994-10-26 1996-05-03 Philips Electronique Lab Systeme de transmission et recepteur de signaux a repartition multiplexee de frequences orthogonales muni d'un dispositif de synchronisation de frequences
US5774450A (en) 1995-01-10 1998-06-30 Matsushita Electric Industrial Co., Ltd. Method of transmitting orthogonal frequency division multiplexing signal and receiver thereof
JP3145003B2 (ja) 1995-03-23 2001-03-12 株式会社東芝 直交周波数分割多重伝送方式とその送信装置および受信装置
JP3521016B2 (ja) 1995-03-27 2004-04-19 松下電器産業株式会社 直交周波数分割多重信号の受信方法および受信装置
US5521908A (en) * 1995-04-20 1996-05-28 Tellabs Operations Inc. Method and apparatus for providing reduced complexity echo cancellation in a multicarrier communication system
US5914933A (en) * 1996-03-08 1999-06-22 Lucent Technologies Inc. Clustered OFDM communication system
US5862182A (en) 1996-07-30 1999-01-19 Lucent Technologies Inc. OFDM digital communications system using complementary codes
JPH10190608A (ja) 1996-12-19 1998-07-21 Lucent Technol Inc 通信方法
US5912876A (en) 1997-01-15 1999-06-15 Ericsson, Inc. Method and apparatus for channel estimation
US6175550B1 (en) 1997-04-01 2001-01-16 Lucent Technologies, Inc. Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof
US5867478A (en) 1997-06-20 1999-02-02 Motorola, Inc. Synchronous coherent orthogonal frequency division multiplexing system, method, software and device
KR100228683B1 (ko) 1997-07-26 1999-11-01 윤종용 Ofdm수신기의 채널추정방법 및 장치
EP1068704B1 (de) * 1998-04-03 2012-06-13 Tellabs Operations, Inc. Filter zum verkürzen der stossantwort, mit zusätzlichen, spektralen bedingungen, für mehrträgerübertragung
US6631175B2 (en) * 1998-04-03 2003-10-07 Tellabs Operations, Inc. Spectrally constrained impulse shortening filter for a discrete multi-tone receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105095232A (zh) * 2014-04-29 2015-11-25 联想(北京)有限公司 一种信息处理方法及电子设备

Also Published As

Publication number Publication date
EP1056250A3 (de) 2002-10-16
EP1758329B1 (de) 2009-05-06
JP2001060936A (ja) 2001-03-06
EP1758329A1 (de) 2007-02-28
EP1056250A2 (de) 2000-11-29
DE60042180D1 (de) 2009-06-18
EP1056250B1 (de) 2008-10-08
US6952394B1 (en) 2005-10-04

Similar Documents

Publication Publication Date Title
DE60040432D1 (de) Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung sowie von der Komplexität des Entzerrers in Mehrträgerübertragungssystemen
DE69900421D1 (de) Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung in Mehrträgersystemen
AU4620197A (en) Reduction of the peak to average power ratio in multicarrier modulation system
DE60329259D1 (de) Verringerung des Verhältnisses von Spitzen- zur Durchschnittsleistung in Mehrträgersignalen
ID27372A (id) Perangkat dan metode untuk menghasilkan dan mendistribusikan simbol-simbol terkodekan dalam sistem komunikasi cdma
ZA200300788B (en) Improvements in and relating to the use of honey in dressings.
AU2001253014A1 (en) Adaptive power allocation with selective determination of modulation and coding
GB0031428D0 (en) Improvements in and relating to communication methods,communication systems and to personal communication devices
ATE405996T1 (de) Reduzierung des verhältnisses der spitzenleistung zur mittleren leistung in einem mobil- kommunikationssystem
AU2001261126A1 (en) Dc to dc converter method and circuitry
AU2001275105A1 (en) Power mosfet and method of making the same
AU2001275125A1 (en) Line side power and energy management system and methods
GB2379537A (en) Electronic trading systems and methods
DE60028276D1 (de) Verringerung von Verzögerung in Mehrträgerempfängern
AU2002351248A1 (en) Devices, systems, and methods for reducing levels of pro-inflammatory or anti-inflammatory stimulators or mediators in physiologic fluids
GB2366491B (en) CDMA communication system and channel-estimating method used in the same
AU2121200A (en) Improvements in or relating to sphygmomanometers and other devices
AU2002363973A8 (en) Devices, systems, and methods for reducing levels of pro-inflammatory or anti-inflammatory stimulators or mediators in the blood
DE59912433D1 (de) Vorverzerrung zur verringerung von intersymbolinterferenz sowie mehrfachzugriffsinterferenz
AU2001226367A1 (en) Combined transmit filter and d-to-a converter
DE69912148D1 (de) Verbesserungen in oder hinsichtlich von vdsl übertragungssystemen
AU5694800A (en) Improvements in and relating to triangle wave generators and power amplifiers
AU3657399A (en) Peak to average power ratio reduction
ID29581A (id) Metode dan peralatan untuk memproduksi sabuk-v bergerigi
HUP0000171A3 (en) Adapter and supporter with the adapter, in particular to electrical apparatuses

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee