ATE334542T1 - Verfahren und vorrichtung zur umwandlung einer kanalschätzung - Google Patents

Verfahren und vorrichtung zur umwandlung einer kanalschätzung

Info

Publication number
ATE334542T1
ATE334542T1 AT00985105T AT00985105T ATE334542T1 AT E334542 T1 ATE334542 T1 AT E334542T1 AT 00985105 T AT00985105 T AT 00985105T AT 00985105 T AT00985105 T AT 00985105T AT E334542 T1 ATE334542 T1 AT E334542T1
Authority
AT
Austria
Prior art keywords
channel estimate
converting
channel
received signal
modulated
Prior art date
Application number
AT00985105T
Other languages
English (en)
Inventor
Bengt Lindoff
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE334542T1 publication Critical patent/ATE334542T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Superheterodyne Receivers (AREA)
AT00985105T 1999-12-06 2000-11-27 Verfahren und vorrichtung zur umwandlung einer kanalschätzung ATE334542T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/455,087 US6628706B1 (en) 1999-12-06 1999-12-06 Method and apparatus for transforming a channel estimate

Publications (1)

Publication Number Publication Date
ATE334542T1 true ATE334542T1 (de) 2006-08-15

Family

ID=23807349

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00985105T ATE334542T1 (de) 1999-12-06 2000-11-27 Verfahren und vorrichtung zur umwandlung einer kanalschätzung

Country Status (9)

Country Link
US (1) US6628706B1 (de)
EP (1) EP1236320B1 (de)
JP (1) JP2003516668A (de)
CN (1) CN1179524C (de)
AT (1) ATE334542T1 (de)
AU (1) AU2163001A (de)
DE (1) DE60029618D1 (de)
MY (1) MY122284A (de)
WO (1) WO2001043381A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001031867A1 (en) * 1999-10-27 2001-05-03 Nokia Corporation Dc offset correction in a mobile communication system
US20020136331A1 (en) * 2001-01-24 2002-09-26 Leif Wilhelmsson Method and apparatus for performing channel estimation with a limiting receiver
US7010269B2 (en) * 2001-05-07 2006-03-07 Koninklijke Philips Electronics N.V. Pre-equalizer structure based on PN511 sequence for terrestrial DTV reception
DE10303475B3 (de) * 2003-01-29 2004-10-07 Infineon Technologies Ag Maximum-Likelihood-Abschätzung der Kanalkoeffizienten und des DC-Offset in einem digitalen Basisbandsignal eines Funkempfängers mit dem SAGE-Algorithmus
US7302233B2 (en) * 2003-06-23 2007-11-27 Texas Instruments Incorporated Multiuser detection for wireless communications systems in the presence of interference
US7574175B2 (en) * 2004-11-01 2009-08-11 Broadcom Corporation Method and system for selective equalization enablement based on modulation type
US8358723B1 (en) * 2005-11-12 2013-01-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Self-configurable radio receiver system and method for use with signals without prior knowledge of signal defining characteristics
US8781037B2 (en) * 2012-06-27 2014-07-15 Intel Mobile Communications GmbH Method and a processing unit for processing a data signal

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0156273B1 (ko) * 1990-12-24 1998-11-16 존 에이취. 무어 배터리 절약 기능이 있는 2중 모드 수신기
JPH06268540A (ja) 1993-03-12 1994-09-22 Fujitsu Ltd ビタビ等化方法
JP2571008B2 (ja) * 1993-12-24 1997-01-16 日本電気株式会社 適応型最尤系列推定器
SE503522C2 (sv) 1994-10-31 1996-07-01 Ericsson Telefon Ab L M Förfarande och anordning för kanalestimering
FI962140A (fi) * 1996-05-21 1997-11-22 Nokia Telecommunications Oy Menetelmä impulssivasteen estimoimiseksi sekä vastaanotin
JP3368575B2 (ja) 1996-10-16 2003-01-20 日本電信電話株式会社 適応等化器
DE69634496T2 (de) * 1996-11-13 2006-04-27 Nokia Corporation Verfahren, sender und empfänger zur übertragung von trainingssignalen in einem tdma-nachrichtenübertragungssystem
US5937014A (en) 1997-03-27 1999-08-10 Telefonaktiebolaget Lm Ericsson Self-synchronizing equalization techniques and systems
GB2335123B (en) 1998-03-07 2003-08-13 Siemens Ag Communications receiver and method of detecting data from received signals
US6130894A (en) * 1998-03-09 2000-10-10 Broadcom Homenetworking, Inc. Off-line broadband network interface
US6473506B1 (en) * 1998-10-13 2002-10-29 Telefonaktiebolaget Lm Ericsson (Publ) Signaling using phase rotation techniques in a digital communications system
US6373888B1 (en) * 1998-10-09 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Estimated channel with variable number of taps
US6463107B1 (en) * 1999-07-01 2002-10-08 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatuses for synchronization and modulation type detection
US6370205B1 (en) * 1999-07-02 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for performing DC-offset compensation in a radio receiver
US6449320B1 (en) * 1999-07-02 2002-09-10 Telefonaktiebolaget Lm Ericsson (Publ) Equalization with DC-offset compensation
US6400928B1 (en) * 1999-11-19 2002-06-04 Telefonaktiebolaget L M Ericsson (Publ) Method and system for blind detection of modulation

Also Published As

Publication number Publication date
CN1408166A (zh) 2003-04-02
AU2163001A (en) 2001-06-18
WO2001043381A9 (en) 2003-01-16
WO2001043381A1 (en) 2001-06-14
US6628706B1 (en) 2003-09-30
EP1236320A1 (de) 2002-09-04
DE60029618D1 (de) 2006-09-07
JP2003516668A (ja) 2003-05-13
CN1179524C (zh) 2004-12-08
MY122284A (en) 2006-04-29
EP1236320B1 (de) 2006-07-26

Similar Documents

Publication Publication Date Title
DE69807535D1 (de) Verfahren zur verbesserten schätzung der kanalimpulsantwort in tdma-systemen
TR199801153T2 (xx) Kaprolaktam ve heksametilendiamini e�zamanl� elde etme usul�.
CA2430797A1 (en) Method and system for identification of channels in an optical network
DE19983742T1 (de) Schaltung und Verfahren zur I/Q-Modulation mit unabhängiger, hocheffizienter Amplitudenmodulation
ATE309651T1 (de) Verfahren und vorrichtung zur ausführung von fehlerkorrektur durch kombination von zwei instanzen einer nachricht
SE9800939D0 (sv) A method in a radio communication system and a communication device for carrying out the method
DE50014957D1 (de) System zur Erzeugung eines Signals zur Übertragung von Informationen
EP1050971A3 (de) Verfahren und Vorrichtung zur Erzeugung eines impulsbreitenmodulierten Signals
ATE450798T1 (de) Verfahren und system zur erkennung der phasenverdrahtung einer spannung unbekannter phase relativ zu einer referenzphasenspannung
WO2000011817A3 (de) Verfahren zur übertragung von informationen sowie ein geeignetes system hierfür
ATE401698T1 (de) Systeme und verfahren zur impulsbreitenmodulation
HK1082044A1 (en) Procedure for estimating a parameter of a local maxima or minima of a correlation function derived from a received signal
ATE334542T1 (de) Verfahren und vorrichtung zur umwandlung einer kanalschätzung
DE69716720D1 (de) Verfahren zur cyclotrimerisierung von alkinen in wässrigen lösungen
ATE522387T1 (de) Vorrichtung und verfahren zur befestigung einer dichtung an einer verkapselten fensteranordnung
ATE518317T1 (de) Verfahren zur sendeleistungsregelung
WO2003030476A3 (en) Simultaneous estimation of channel impulse response and of dc offset
AU2003246589A8 (en) Method and system for concurrent estimation of frequency offset and modulation index
TW428397B (en) Data transmission apparatus and data transmission system
ATE376725T1 (de) Verfahren und funkübertragungseinheit zur leistungsdetektion eines vielfachträgersignals
DE69918508D1 (de) Schätzung von Trägerfrequenzverschiebung
DE59910464D1 (de) VERFAHREN ZUR HERSTELLUNG WASSENRUNLÖSLICHER alpha-1,4-GLUCANE
BR0013425A (pt) Estimando a interferêcia em um sistema de comunição
DE50008531D1 (de) Verfahren zum ausregeln eines frequenzoffsets im empfänger einer basisstation eines nachrichtenübertragungssystems
ATE386392T1 (de) System, verfahren und computerprogramm zum demodulieren von quadraturamplitudenmodulierten signalen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties