JP4121701B2 - 改良されたデータ伝送のための方法および回路構成 - Google Patents

改良されたデータ伝送のための方法および回路構成 Download PDF

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Publication number
JP4121701B2
JP4121701B2 JP2000519983A JP2000519983A JP4121701B2 JP 4121701 B2 JP4121701 B2 JP 4121701B2 JP 2000519983 A JP2000519983 A JP 2000519983A JP 2000519983 A JP2000519983 A JP 2000519983A JP 4121701 B2 JP4121701 B2 JP 4121701B2
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signal
data
encoder
source
channel
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Japanese (ja)
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JP2001523070A5 (enExample
JP2001523070A (ja
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フーバー，クラウス
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ドイッチェ テレコム アーゲー
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    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2000519983A 1997-11-06 1998-07-31 改良されたデータ伝送のための方法および回路構成 Expired - Fee Related JP4121701B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19748880A DE19748880C1 (de) 1997-11-06 1997-11-06 Verfahren und Schaltungsanordnung zur verbesserten Datenübertragung
DE19748880.3 1997-11-06
PCT/EP1998/004789 WO1999025103A2 (de) 1997-11-06 1998-07-31 Verfahren und schaltungsanordnung zur übertragung ausgewählten signalpunkten einer signalkonstellation

Publications (3)

Publication Number Publication Date
JP2001523070A JP2001523070A (ja) 2001-11-20
JP2001523070A5 JP2001523070A5 (enExample) 2008-03-06
JP4121701B2 true JP4121701B2 (ja) 2008-07-23

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JP2000519983A Expired - Fee Related JP4121701B2 (ja) 1997-11-06 1998-07-31 改良されたデータ伝送のための方法および回路構成

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Country Link
US (1) US6925129B1 (enExample)
EP (1) EP0958685B1 (enExample)
JP (1) JP4121701B2 (enExample)
AT (1) ATE371325T1 (enExample)
DE (2) DE19748880C1 (enExample)
ES (1) ES2289793T3 (enExample)
WO (1) WO1999025103A2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7376105B2 (en) 1998-08-21 2008-05-20 Massachusetts Institute Of Technology Source coding for interference reduction
US6553535B1 (en) 1998-08-21 2003-04-22 Massachusetts Institute Of Technology Power-efficient communication protocol
US7106794B2 (en) 2000-08-11 2006-09-12 Broadcom Corporation System and method for Huffman shaping in a data communication system
WO2002065724A1 (en) * 2001-02-13 2002-08-22 Mitsubishi Denki Kabushiki Kaisha Multiple-level modulating method, multiple-level demodulating method, and multiple-level modulating/demodulating method
DE10206137A1 (de) * 2002-02-14 2003-09-04 Infineon Technologies Ag Etikettenkennsystem und dafür geeignetes Codierverfahren
KR101653108B1 (ko) * 2015-01-15 2016-09-01 한양대학교 산학협력단 직교 진폭 변조를 위한 신호점 배치 방법 및 이를 이용한 직교 진폭 변조 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62142440A (ja) * 1985-12-17 1987-06-25 Fujitsu Ltd 変復調装置
US4980897A (en) * 1988-08-12 1990-12-25 Telebit Corporation Multi-channel trellis encoder/decoder
US4937844A (en) * 1988-11-03 1990-06-26 Racal Data Communications Inc. Modem with data compression selected constellation
US5115453A (en) * 1990-10-01 1992-05-19 At&T Bell Laboratories Technique for designing a multidimensional signaling scheme
DE69226361T2 (de) * 1991-03-28 1998-12-24 British Telecommunications P.L.C., London TCM-Schema mit nichtganzzahligen Datenraten, Rahmensignalen und Konstellationsumformung
SI9300025A (en) * 1993-01-21 1994-09-30 Spase Drakul Digital communication system in n-dimensional vector space for transmission coded waveforms in bandlimited chanels
TW249873B (en) * 1994-03-21 1995-06-21 At & T Corp Time division multiplexing data communication arrangement with different signal constellation
US5764699A (en) * 1994-03-31 1998-06-09 Motorola, Inc. Method and apparatus for providing adaptive modulation in a radio communication system
IT1273695B (it) * 1994-07-28 1997-07-09 Alcatel Italia Metodo e circuiti per la trasmissione e la ricezione di segnali numerici nel quale si riduce la potenza di picco del segnale filtrato trasmesso compatibili con tecniche di codifica note
US6198776B1 (en) * 1996-11-13 2001-03-06 Motorola Inc. Device and method for precoding data signals for PCM transmission
US6304593B1 (en) * 1997-10-06 2001-10-16 California Institute Of Technology Adaptive modulation scheme with simultaneous voice and data transmission

Also Published As

Publication number Publication date
EP0958685A2 (de) 1999-11-24
DE19748880C1 (de) 1999-05-12
EP0958685B1 (de) 2007-08-22
ES2289793T3 (es) 2008-02-01
ATE371325T1 (de) 2007-09-15
JP2001523070A (ja) 2001-11-20
DE59814079D1 (de) 2007-10-04
US6925129B1 (en) 2005-08-02
WO1999025103A2 (de) 1999-05-20
WO1999025103A3 (de) 1999-09-10

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