DE60325321D1 - Verfahren zur Rückgewinnung von Folgen minimaler PAPR in einem OFDM-Vermittlungssystem - Google Patents

Verfahren zur Rückgewinnung von Folgen minimaler PAPR in einem OFDM-Vermittlungssystem

Info

Publication number
DE60325321D1
DE60325321D1 DE60325321T DE60325321T DE60325321D1 DE 60325321 D1 DE60325321 D1 DE 60325321D1 DE 60325321 T DE60325321 T DE 60325321T DE 60325321 T DE60325321 T DE 60325321T DE 60325321 D1 DE60325321 D1 DE 60325321D1
Authority
DE
Germany
Prior art keywords
recovering
switching system
sequences
ofdm
papr sequences
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 - Lifetime
Application number
DE60325321T
Other languages
English (en)
Inventor
Seok Ii Chang
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.)
LG Electronics Inc
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
Application granted granted Critical
Publication of DE60325321D1 publication Critical patent/DE60325321D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH 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
    • H04L27/2614—Peak power aspects
    • 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
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3411—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power reducing the peak to average power ratio or the mean power of the constellation; Arrangements for increasing the shape gain of a signal set

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Color Television Systems (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE60325321T 2002-12-27 2003-12-23 Verfahren zur Rückgewinnung von Folgen minimaler PAPR in einem OFDM-Vermittlungssystem Expired - Lifetime DE60325321D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020085516A KR100548319B1 (ko) 2002-12-27 2002-12-27 직교분할다중접속 시스템의 최소 피에이피알 수열 검색 방법

Publications (1)

Publication Number Publication Date
DE60325321D1 true DE60325321D1 (de) 2009-01-29

Family

ID=32501451

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60325321T Expired - Lifetime DE60325321D1 (de) 2002-12-27 2003-12-23 Verfahren zur Rückgewinnung von Folgen minimaler PAPR in einem OFDM-Vermittlungssystem

Country Status (7)

Country Link
US (1) US20040136315A1 (de)
EP (1) EP1435714B1 (de)
JP (1) JP3878175B2 (de)
KR (1) KR100548319B1 (de)
CN (1) CN1299456C (de)
AT (1) ATE418222T1 (de)
DE (1) DE60325321D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7010028B2 (en) * 2001-07-16 2006-03-07 Broadcom Corporation System and method for rapid generation of low par Q-mode signals
US7593478B2 (en) * 2004-04-26 2009-09-22 Qualcomm Incorporated Low peak to average ratio search algorithm
US7808940B2 (en) * 2004-05-10 2010-10-05 Alcatel-Lucent Usa Inc. Peak-to-average power ratio control
US7697414B2 (en) * 2005-09-30 2010-04-13 Meshnetworks, Inc. System and method for achieving crest factor reduction for multi-carrier modulation in a wireless communication network
CN1787413B (zh) * 2005-10-28 2010-08-11 东南大学 低峰均比正交频分复用传输技术方法
EP1816817A1 (de) * 2006-02-06 2007-08-08 Siemens Aktiengesellschaft Verfahren zur Verringerung des Verhältnisses von Spitzenleistung zu Durchschnittsleistung in einem OFDM System
WO2008069488A1 (en) * 2006-12-05 2008-06-12 Electronics And Telecommunications Research Institute Apparatus and method for reducing peak to average power ratio in orthogonal frequency division multiplexing system
US20080187058A1 (en) * 2007-02-01 2008-08-07 Teemu Sipila Reduction of dynamic range of transmitted signals
US9461688B2 (en) 2010-03-12 2016-10-04 Sunrise Micro Devices, Inc. Power efficient communications
US9762323B2 (en) * 2010-03-19 2017-09-12 Ofidium Pty. Ltd. Method and apparatus for fiber non-linearity mitigation
CN106464630B (zh) * 2014-06-30 2019-11-29 华为技术有限公司 训练序列生成装置、设备及方法
EP3917066B1 (de) * 2019-02-15 2023-11-15 LG Electronics Inc. Verfahren zur erzeugung einer niedrigen papr-sequenz in einem drahtlosen kommunikationssystem und vorrichtung dafür
CN116170269B (zh) * 2023-04-25 2023-07-14 四川阳辰信通科技有限公司 一种降低ofdm系统papr的slm优化方法及系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040191A (en) * 1987-02-24 1991-08-13 Codex Corporation Partial response channel signaling systems
US5150381A (en) * 1989-02-16 1992-09-22 Codex Corporation Trellis shaping for modulation systems
EP0763297B1 (de) * 1994-05-31 2004-07-28 Litton Systems, Inc. Einrichtungen und verfahren zur nichtlinearen dynamischen blocksubstitution unter verwendung von untermengenaufspaltungen und direkter geometrischer erzeugung
DE19635813A1 (de) * 1996-09-04 1998-03-05 Johannes Prof Dr Ing Huber Verfahren zur Reduktion des Spitzenwertfaktors bei digitalen Übertragungsverfahren
US6373859B1 (en) * 1996-09-10 2002-04-16 Hewlett-Packard Company Methods and apparatus for encoding and decoding data
US6266320B1 (en) * 1998-04-08 2001-07-24 Telefonaktiebolaget Lm Ericsson (Publ) Amplitude limitation in CDMA system
CN1300493A (zh) * 1998-04-10 2001-06-20 摩托罗拉公司 改善变换域信号定义特性的系统、装置和方法
US6445747B1 (en) * 1998-07-14 2002-09-03 At&T Corporation Method and apparatus to reduce peak to average power ratio in multi-carrier modulation
US6928084B2 (en) * 2000-03-28 2005-08-09 At & T Corp. OFDM communication system and method having a reduced peak-to-average power ratio
US6985533B2 (en) * 2001-02-07 2006-01-10 Agency For Science, Technology And Research Method and apparatus for reducing peak to average power ratio in a multi-carrier modulation communication system
US6925128B2 (en) * 2002-10-31 2005-08-02 Motorola, Inc. Method and apparatus for reducing a peak-to-average power ratio in an orthogonal frequency division multiplex signal

Also Published As

Publication number Publication date
JP2004215269A (ja) 2004-07-29
EP1435714A2 (de) 2004-07-07
EP1435714A3 (de) 2006-11-15
CN1521969A (zh) 2004-08-18
KR20040058994A (ko) 2004-07-05
CN1299456C (zh) 2007-02-07
EP1435714B1 (de) 2008-12-17
US20040136315A1 (en) 2004-07-15
JP3878175B2 (ja) 2007-02-07
ATE418222T1 (de) 2009-01-15
KR100548319B1 (ko) 2006-02-02

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