NO932469L - Fremgangsmaate for aa sende og motta numeriske signaler - Google Patents

Fremgangsmaate for aa sende og motta numeriske signaler

Info

Publication number
NO932469L
NO932469L NO932469A NO932469A NO932469L NO 932469 L NO932469 L NO 932469L NO 932469 A NO932469 A NO 932469A NO 932469 A NO932469 A NO 932469A NO 932469 L NO932469 L NO 932469L
Authority
NO
Norway
Prior art keywords
sending
procedure
receiving numeric
numeric signals
signals
Prior art date
Application number
NO932469A
Other languages
English (en)
Other versions
NO932469D0 (no
NO305269B1 (no
Inventor
Andrea Sandri
Arnaldo Spalvieri
Original Assignee
Alcatel Italia
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 Alcatel Italia filed Critical Alcatel Italia
Publication of NO932469D0 publication Critical patent/NO932469D0/no
Publication of NO932469L publication Critical patent/NO932469L/no
Publication of NO305269B1 publication Critical patent/NO305269B1/no

Links

Classifications

    • 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)
  • Dc Digital Transmission (AREA)
NO932469A 1992-07-27 1993-07-07 FremgangsmÕte for Õ sende og motta numeriske signaler NO305269B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI921819A IT1259012B (it) 1992-07-27 1992-07-27 Metodo e circuiti per la riduzione della potenza di picco del segnale filtrato trasmesso in un collegamento di tipo numerico

Publications (3)

Publication Number Publication Date
NO932469D0 NO932469D0 (no) 1993-07-07
NO932469L true NO932469L (no) 1994-01-28
NO305269B1 NO305269B1 (no) 1999-04-26

Family

ID=11363749

Family Applications (1)

Application Number Title Priority Date Filing Date
NO932469A NO305269B1 (no) 1992-07-27 1993-07-07 FremgangsmÕte for Õ sende og motta numeriske signaler

Country Status (6)

Country Link
US (1) US5493587A (no)
EP (1) EP0584534B1 (no)
JP (1) JPH06164664A (no)
DE (1) DE69326298T2 (no)
IT (1) IT1259012B (no)
NO (1) NO305269B1 (no)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1526446A3 (en) * 1991-07-08 2007-04-04 Seiko Epson Corporation Extensible RISC microprocessor architecture
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
US5793797A (en) * 1995-05-09 1998-08-11 Unisys Corporation Data transmisson system with a low peak-to-average power ratio based on distorting small amplitude signals
US5621762A (en) * 1995-06-12 1997-04-15 Motorola, Inc. Radio with peak power and bandwidth efficient modulation
EP0806091B1 (en) * 1995-11-29 2007-03-21 Koninklijke Philips Electronics N.V. Transmission system for a non linear transmission medium
US5894498A (en) * 1997-02-26 1999-04-13 Motorola, Inc. Method and apparatus for analyzing a composite carrier signal
DE19808993C2 (de) * 1998-03-03 2003-12-18 Fraunhofer Ges Forschung Verfahren zur Spitzenwertreduktion bei Einträger-modulierten oder Mehrträger-modulierten, digitalen Sendesignalen
US6163570A (en) 1998-05-11 2000-12-19 Conexant Systems, Inc. Methods and apparatus for verifying transmit power levels in a signal point limited transmission system
US6452978B1 (en) * 1999-02-11 2002-09-17 Tioga Technologies Inc. Combined shaping and peak-to-average reduction for single carrier modulation systems
WO2001035591A2 (en) * 1999-11-09 2001-05-17 Aware, Inc. Par reduction by carriers phase randomization in multicarrier communications
US6961369B1 (en) 1999-11-09 2005-11-01 Aware, Inc. System and method for scrambling the phase of the carriers in a multicarrier communications system
IT1317976B1 (it) * 2000-06-16 2003-07-21 Siemens Inf & Comm Networks Metodo e sistema di trasmissione e ricezione alle microonde di segnaliad ampia dinamica di livello nell'inviluppo di modulazione
WO2001099279A1 (en) * 2000-06-20 2001-12-27 Prescient Networks Pty Ltd Signal peak reduction circuit for non-constant envelope modulation signals
AUPQ820000A0 (en) * 2000-06-20 2000-07-13 Berangi, R. Peak power reduction schemes for multi-code cdma and critically sampled complex gaussian signals
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
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
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
FR2836513B1 (fr) * 2002-02-25 2005-12-02 Renault Vehicules Ind Ligne d'echappement et vehicule a moteur ainsi equipe
US6892057B2 (en) 2002-08-08 2005-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reducing dynamic range of a power amplifier
US7848446B2 (en) * 2006-09-27 2010-12-07 Telefonaktiebolaget L M Ericsson (Publ) Reduction of peak-to-average-power ratio in a telecommunications system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4959842A (en) * 1988-04-13 1990-09-25 Codex Corporation Signal constellations
AU630417B2 (en) * 1989-02-16 1992-10-29 Codex Corporation Trellis shaping for modulation systems
US5159610A (en) * 1989-05-12 1992-10-27 Codex Corporation Trellis precoding for modulation systems
US5095497A (en) * 1989-10-02 1992-03-10 At & T Bell Laboratories Technique for achieving the full coding gain of encoded digital signals
US5493586A (en) * 1991-03-28 1996-02-20 British Telecommunications Public Limited Company TCM scheme with fractional bit rates, framing signals and constellation shaping

Also Published As

Publication number Publication date
NO932469D0 (no) 1993-07-07
NO305269B1 (no) 1999-04-26
EP0584534B1 (en) 1999-09-08
US5493587A (en) 1996-02-20
IT1259012B (it) 1996-03-11
DE69326298D1 (de) 1999-10-14
DE69326298T2 (de) 2000-03-23
ITMI921819A0 (it) 1992-07-27
JPH06164664A (ja) 1994-06-10
ITMI921819A1 (it) 1994-01-27
EP0584534A1 (en) 1994-03-02

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN JANUARY 2001