NO952729D0 - Fremgangsmåte og krets for og sende og motta numeriske signaler - Google Patents

Fremgangsmåte og krets for og sende og motta numeriske signaler

Info

Publication number
NO952729D0
NO952729D0 NO952729A NO952729A NO952729D0 NO 952729 D0 NO952729 D0 NO 952729D0 NO 952729 A NO952729 A NO 952729A NO 952729 A NO952729 A NO 952729A NO 952729 D0 NO952729 D0 NO 952729D0
Authority
NO
Norway
Prior art keywords
transmit
circuit
receive numeric
numeric signals
signals
Prior art date
Application number
NO952729A
Other languages
English (en)
Other versions
NO952729L (no
Inventor
Andrea Sandri
Arnaldo Spalvieri
Franco Guglielmi
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 NO952729D0 publication Critical patent/NO952729D0/no
Publication of NO952729L publication Critical patent/NO952729L/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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmitters (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
NO952729A 1994-07-28 1995-07-10 Fremgangsmåte og krets for å sende og motta signaler NO952729L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI941626A IT1273695B (it) 1994-07-28 1994-07-28 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

Publications (2)

Publication Number Publication Date
NO952729D0 true NO952729D0 (no) 1995-07-10
NO952729L NO952729L (no) 1996-01-29

Family

ID=11369390

Family Applications (1)

Application Number Title Priority Date Filing Date
NO952729A NO952729L (no) 1994-07-28 1995-07-10 Fremgangsmåte og krets for å sende og motta signaler

Country Status (5)

Country Link
US (1) US5608760A (no)
EP (1) EP0703689A1 (no)
JP (1) JPH08195782A (no)
IT (1) IT1273695B (no)
NO (1) NO952729L (no)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0806091B1 (en) * 1995-11-29 2007-03-21 Koninklijke Philips Electronics N.V. Transmission system for a non linear transmission medium
DE19748880C1 (de) 1997-11-06 1999-05-12 Deutsche Telekom Ag Verfahren und Schaltungsanordnung zur verbesserten Datenübertragung
US6292559B1 (en) * 1997-12-19 2001-09-18 Rice University Spectral optimization and joint signaling techniques with upstream/downstream separation for communication in the presence of crosstalk
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
AUPQ820000A0 (en) * 2000-06-20 2000-07-13 Berangi, R. Peak power reduction schemes for multi-code cdma and critically sampled complex gaussian signals
WO2001099279A1 (en) * 2000-06-20 2001-12-27 Prescient Networks Pty Ltd Signal peak reduction circuit for non-constant envelope modulation signals
US6661355B2 (en) * 2000-12-27 2003-12-09 Apple Computer, Inc. Methods and apparatus for constant-weight encoding & decoding
EP1367795A1 (en) * 2001-03-06 2003-12-03 Matsushita Electric Industrial Co., Ltd. Signal processing apparatus and signal processing method
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
JP4883582B2 (ja) * 2006-11-22 2012-02-22 国立大学法人横浜国立大学 符号化変調システムおよび受信装置ならびに符号化変調方法および復号方法
JP4911521B2 (ja) * 2007-08-23 2012-04-04 国立大学法人横浜国立大学 シンボル挿入によるピーク電力低減および復号誤り率改善方法ならびに無線送受信装置

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
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
IT1259012B (it) * 1992-07-27 1996-03-11 Alcatel Italia Metodo e circuiti per la riduzione della potenza di picco del segnale filtrato trasmesso in un collegamento di tipo numerico

Also Published As

Publication number Publication date
ITMI941626A0 (it) 1994-07-28
IT1273695B (it) 1997-07-09
EP0703689A1 (en) 1996-03-27
NO952729L (no) 1996-01-29
US5608760A (en) 1997-03-04
ITMI941626A1 (it) 1996-01-28
JPH08195782A (ja) 1996-07-30

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