HK1005401A1 - Filter for multicarrier communication system and method for peak power control therein - Google Patents

Filter for multicarrier communication system and method for peak power control therein

Info

Publication number
HK1005401A1
HK1005401A1 HK98104525A HK98104525A HK1005401A1 HK 1005401 A1 HK1005401 A1 HK 1005401A1 HK 98104525 A HK98104525 A HK 98104525A HK 98104525 A HK98104525 A HK 98104525A HK 1005401 A1 HK1005401 A1 HK 1005401A1
Authority
HK
Hong Kong
Prior art keywords
filter
communication system
power control
peak power
multicarrier communication
Prior art date
Application number
HK98104525A
Other languages
English (en)
Inventor
Alan Jones
Paul Adrian Golding
Original Assignee
Motorola 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
Application filed by Motorola Ltd filed Critical Motorola Ltd
Publication of HK1005401A1 publication Critical patent/HK1005401A1/xx

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
    • H04L27/2614—Peak power aspects
    • H04L27/2615—Reduction thereof using coding
    • 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
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • 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

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)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
HK98104525A 1996-05-24 1998-05-26 Filter for multicarrier communication system and method for peak power control therein HK1005401A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9610941A GB2313525B (en) 1996-05-24 1996-05-24 Filter for multicarrier communication system and method for peak power control therein

Publications (1)

Publication Number Publication Date
HK1005401A1 true HK1005401A1 (en) 1999-01-08

Family

ID=10794281

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98104525A HK1005401A1 (en) 1996-05-24 1998-05-26 Filter for multicarrier communication system and method for peak power control therein

Country Status (8)

Country Link
US (1) US6128351A (xx)
EP (1) EP0840972B1 (xx)
JP (1) JP3957323B2 (xx)
CN (1) CN1125553C (xx)
DE (1) DE69726546T2 (xx)
GB (1) GB2313525B (xx)
HK (1) HK1005401A1 (xx)
WO (1) WO1997045987A1 (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309363B (en) * 1996-01-17 2000-07-12 Motorola Ltd Multicarrier communication system and method for peak power control
US6781968B1 (en) 1997-09-08 2004-08-24 Marc Arnold Wireless communication system, apparatus and method using an atmospheric platform having a wideband trunkline
GB2339514A (en) * 1998-07-11 2000-01-26 Motorola Ltd Cellular communication system with reduced power variation
US6396817B2 (en) * 1998-08-31 2002-05-28 Qualcomm Incorporated Signal splitting method for limiting peak power in a CDMA system
FR2784821B1 (fr) * 1998-10-16 2000-12-15 Cit Alcatel Systeme de transmission a etalement de spectre a modulation multiporteuse filtree
DE19850642C2 (de) * 1998-11-03 2003-08-07 Infineon Technologies Ag Verfahren zur Reduzierung des Crest-Faktors eines Signals
SE513863C2 (sv) 1999-01-29 2000-11-20 Ericsson Telefon Ab L M Förfarande och anordning för klippning i ett CDMA-system
US7272192B2 (en) * 2000-04-14 2007-09-18 Board Of Trustees Of The Leland Stanford Junior University Time-reversal block transmit diversity system for channels with intersymbol interference and method
US6449302B2 (en) 2000-04-19 2002-09-10 Powerwave Technologies, Inc. System and method for peak power reduction in spread spectrum communications systems
US6449303B2 (en) * 2000-06-20 2002-09-10 Powerwave Technologies, Inc. System and method for peak power reduction in multiple carrier communications systems
US6990153B1 (en) * 2001-02-06 2006-01-24 Agency For Science, Technology And Research Method and apparatus for semi-blind communication channel estimation
US7170952B2 (en) 2001-07-02 2007-01-30 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in communications systems
US7095798B2 (en) 2001-08-02 2006-08-22 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in multi-carrier communications systems
US8331490B2 (en) * 2001-10-22 2012-12-11 Panasonic Corporation Methods and apparatus for conditioning communications signals based on detection of high-frequency events in polar domain
US20070211829A1 (en) * 2001-10-22 2007-09-13 Matsushita Electric Industrial Co., Ltd. Method and apparatus for pulse optimization for non-linear filtering
US7054385B2 (en) * 2001-10-22 2006-05-30 Tropian, Inc. Reduction of average-to-minimum power ratio in communications signals
US7012970B2 (en) * 2002-03-19 2006-03-14 Motorola, Inc. Method and apparatus for reducing transmitter peak power requirements
US6983026B2 (en) * 2002-03-19 2006-01-03 Motorola, Inc. Method and apparatus using base band transformation to improve transmitter performance
US7020215B2 (en) * 2002-03-19 2006-03-28 Motorola, Inc. Method and apparatus for reducing transmitter peak power requirements using dual matrices
US7463690B2 (en) 2002-11-06 2008-12-09 Lawrence Livermore National Security, Llc Multi-channel time-reversal receivers for multi and 1-bit implementations
US7450539B1 (en) 2003-02-11 2008-11-11 Analog Devices, Inc. Power regulation for a multi-carrier communication system
FR2925797A1 (fr) * 2007-12-21 2009-06-26 France Telecom Procede de pre-egalisation par retournement temporel
FR2925798A1 (fr) * 2007-12-21 2009-06-26 France Telecom Procede de pre-egalisation d'un signal de donnees par retournement temporel
WO2010042319A2 (en) * 2008-10-10 2010-04-15 Ziva Corporation Techniques and systems for wireless communications
EP2474102A4 (en) 2009-09-03 2016-06-22 Ziva Corp METHOD AND SYSTEMS FOR TEMPORARY CODING BASED COMMUNICATIONS
CN104854791B (zh) 2012-10-01 2017-09-22 瑞典爱立信有限公司 Aas传送器失真改进
EP2830055A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Context-based entropy coding of sample values of a spectral envelope
CN107221266A (zh) * 2017-07-05 2017-09-29 佛山杰致信息科技有限公司 一种新型led广告灯箱

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898566A (en) * 1972-10-02 1975-08-05 Phasecom Corp Method and apparatus for reducing distortion in multicarrier communication systems
US5381449A (en) * 1990-06-12 1995-01-10 Motorola, Inc. Peak to average power ratio reduction methodology for QAM communications systems
GB9122446D0 (en) * 1991-10-23 1991-12-04 Secr Defence A method for correlation processing
US5302914A (en) * 1992-10-20 1994-04-12 At&T Bell Laboratories Method and apparatus for reducing the peak-to-average power in multi-carrier RF communication systems
US5490172A (en) * 1994-07-05 1996-02-06 Airnet Communications Corporation Reducing peak-to-average variance of a composite transmitted signal via out-of-band artifact signaling
GB9418514D0 (en) * 1994-09-14 1994-11-02 At & T Global Inf Solution Information transmission system
US5838732A (en) * 1994-10-31 1998-11-17 Airnet Communications Corp. Reducing peak-to-average variance of a composite transmitted signal generated by a digital combiner via carrier phase offset

Also Published As

Publication number Publication date
CN1125553C (zh) 2003-10-22
EP0840972B1 (en) 2003-12-03
EP0840972A1 (en) 1998-05-13
DE69726546D1 (de) 2004-01-15
GB2313525B (en) 2000-06-07
JPH11510028A (ja) 1999-08-31
CN1194749A (zh) 1998-09-30
GB2313525A (en) 1997-11-26
DE69726546T2 (de) 2004-06-09
US6128351A (en) 2000-10-03
JP3957323B2 (ja) 2007-08-15
GB9610941D0 (en) 1996-07-31
WO1997045987A1 (en) 1997-12-04

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PE Patent expired

Effective date: 20160523