JP2002511707A - 変換領域信号の定義特性を改善するシステム，装置および方法 - Google Patents

変換領域信号の定義特性を改善するシステム，装置および方法

Info

Publication number
JP2002511707A
JP2002511707A JP2000544104A JP2000544104A JP2002511707A JP 2002511707 A JP2002511707 A JP 2002511707A JP 2000544104 A JP2000544104 A JP 2000544104A JP 2000544104 A JP2000544104 A JP 2000544104A JP 2002511707 A JP2002511707 A JP 2002511707A
Authority
JP
Japan
Prior art keywords
perturbation
symbol
symbols
vector
block
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.)
Pending
Application number
JP2000544104A
Other languages
English (en)
Japanese (ja)
Inventor
フランク・ロバート・クシシャング
アラダーナ・ナルラ
ジアン・ヤング
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of JP2002511707A publication Critical patent/JP2002511707A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—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
    • H04L27/2614—Peak power aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—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
    • H04L27/32—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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2000544104A 1998-04-10 1999-04-09 変換領域信号の定義特性を改善するシステム，装置および方法 Pending JP2002511707A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5867198A 1998-04-10 1998-04-10
US09/058,671 1998-04-10
US8717798A 1998-05-29 1998-05-29
US09/087,177 1998-05-29
PCT/US1999/007840 WO1999053662A1 (en) 1998-04-10 1999-04-09 System, device and method for improving a defined property of transform-domain signals

Publications (1)

Publication Number Publication Date
JP2002511707A true JP2002511707A (ja) 2002-04-16

Family

ID=26737891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000544104A Pending JP2002511707A (ja) 1998-04-10 1999-04-09 変換領域信号の定義特性を改善するシステム，装置および方法

Country Status (8)

Country Link
EP (1) EP1068706A4 (zh)
JP (1) JP2002511707A (zh)
KR (1) KR20010042558A (zh)
CN (1) CN1300493A (zh)
AU (1) AU740189B2 (zh)
BR (1) BR9909525A (zh)
CA (1) CA2328145A1 (zh)
WO (1) WO1999053662A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2814011B1 (fr) * 2000-09-14 2003-10-24 France Telecom Procede d'estimation optimale d'un canal de propagation reposant uniquement sur les symboles pilotes et estimateur correspondant
KR100480775B1 (ko) * 2000-11-18 2005-04-06 삼성전자주식회사 다중파 전송 시스템을 위한 최고 대 평균비 감소 방법 및장치
WO2002093822A1 (en) * 2001-05-17 2002-11-21 Telefonaktiebolaget Lm Ericsson Methods and arrangements relating to a telecommunication system
US7318185B2 (en) * 2001-08-23 2008-01-08 Nortel Networks Limited Method and apparatus for scrambling based peak-to-average power ratio reduction without side information
KR101389593B1 (ko) 2001-08-23 2014-04-29 애플 인크. Ｃｏ-ｓｅｔ와 강하게 코딩된 ｃｏ-ｓｅｔ 식별자를조합하여 직교 진폭 변조를 행하기 위한 시스템 및 방법
KR100548319B1 (ko) * 2002-12-27 2006-02-02 엘지전자 주식회사 직교분할다중접속 시스템의 최소 피에이피알 수열 검색 방법
US7983356B2 (en) * 2007-06-29 2011-07-19 Qualcomm, Incorporated Enhanced frequency domain spreading

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479447A (en) * 1993-05-03 1995-12-26 The Board Of Trustees Of The Leland Stanford, Junior University Method and apparatus for adaptive, variable bandwidth, high-speed data transmission of a multicarrier signal over digital subscriber lines
US6301268B1 (en) * 1998-03-10 2001-10-09 Lucent Technologies Inc. Communication method for frequency division multiplexing signalling systems with reduced average power requirements

Also Published As

Publication number Publication date
BR9909525A (pt) 2000-12-12
EP1068706A1 (en) 2001-01-17
WO1999053662A1 (en) 1999-10-21
CA2328145A1 (en) 1999-10-21
AU3487099A (en) 1999-11-01
AU740189B2 (en) 2001-11-01
EP1068706A4 (en) 2001-09-12
KR20010042558A (ko) 2001-05-25
CN1300493A (zh) 2001-06-20

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