ATE416545T1 - Verfahren und empfänger zur schätzung der kanalimpulsantwort unter verwendung eines konstant-modulus-algorithmus - Google Patents

Verfahren und empfänger zur schätzung der kanalimpulsantwort unter verwendung eines konstant-modulus-algorithmus

Info

Publication number
ATE416545T1
ATE416545T1 AT06251911T AT06251911T ATE416545T1 AT E416545 T1 ATE416545 T1 AT E416545T1 AT 06251911 T AT06251911 T AT 06251911T AT 06251911 T AT06251911 T AT 06251911T AT E416545 T1 ATE416545 T1 AT E416545T1
Authority
AT
Austria
Prior art keywords
receiver
pulse response
channel pulse
estimating channel
channel impulse
Prior art date
Application number
AT06251911T
Other languages
English (en)
Inventor
Huan Wu
Sean Simmons
Zoltan Kemenczy
Original Assignee
Research In Motion Ltd
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 Research In Motion Ltd filed Critical Research In Motion Ltd
Application granted granted Critical
Publication of ATE416545T1 publication Critical patent/ATE416545T1/de

Links

Classifications

    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • 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
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/03292—Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03305—Joint sequence estimation and interference removal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Circuits Of Receivers In General (AREA)
AT06251911T 2006-04-05 2006-04-05 Verfahren und empfänger zur schätzung der kanalimpulsantwort unter verwendung eines konstant-modulus-algorithmus ATE416545T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06251911A EP1843533B1 (de) 2006-04-05 2006-04-05 Verfahren und Empfänger zur Schätzung der Kanalimpulsantwort unter Verwendung eines Konstant-Modulus-Algorithmus

Publications (1)

Publication Number Publication Date
ATE416545T1 true ATE416545T1 (de) 2008-12-15

Family

ID=36809081

Family Applications (2)

Application Number Title Priority Date Filing Date
AT08166372T ATE453276T1 (de) 2006-04-05 2006-04-05 Verfahren und empfänger zur bewertung der kanalimpulsreaktion bei einer konstanten modulinterferenz-entfernungsinteraktion
AT06251911T ATE416545T1 (de) 2006-04-05 2006-04-05 Verfahren und empfänger zur schätzung der kanalimpulsantwort unter verwendung eines konstant-modulus-algorithmus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT08166372T ATE453276T1 (de) 2006-04-05 2006-04-05 Verfahren und empfänger zur bewertung der kanalimpulsreaktion bei einer konstanten modulinterferenz-entfernungsinteraktion

Country Status (5)

Country Link
EP (2) EP1843533B1 (de)
AT (2) ATE453276T1 (de)
CA (1) CA2645849C (de)
DE (2) DE602006004001D1 (de)
WO (1) WO2007112585A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7672412B2 (en) * 2006-04-05 2010-03-02 Research In Motion Limited Method and receiver for estimating the channel impulse response using a constant modulus interference removal iteration

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553062A (en) * 1993-04-22 1996-09-03 Interdigital Communication Corporation Spread spectrum CDMA interference canceler system and method
CA2273377C (en) * 1998-06-03 2003-04-15 At&T Corp. Method and apparatus for channel estimation for multicarrier systems
US6393068B1 (en) * 1998-09-22 2002-05-21 Agere Systems Guardian Corp. Communication channel and frequency offset estimator
US6931030B1 (en) * 2000-11-30 2005-08-16 Arraycomm, Inc. Training sequence with a random delay for a radio communications system
US7012966B2 (en) * 2001-05-21 2006-03-14 At&T Corp. Channel estimation for wireless systems with multiple transmit antennas
US7110447B2 (en) * 2002-05-09 2006-09-19 Zenith Electronics Corporation Channel estimator for an adaptive equalizer
US7006811B2 (en) * 2003-02-27 2006-02-28 Nokia Corporation Method and apparatus for switching on and off interference cancellation in a receiver
US7200172B2 (en) 2003-02-27 2007-04-03 Nokia Corporation Method and apparatus for determining components of a channel impulse response for use in a SAIC equalizer
US7302233B2 (en) * 2003-06-23 2007-11-27 Texas Instruments Incorporated Multiuser detection for wireless communications systems in the presence of interference

Also Published As

Publication number Publication date
EP1843533B1 (de) 2008-12-03
DE602006011372D1 (de) 2010-02-04
EP2009859A1 (de) 2008-12-31
CA2645849A1 (en) 2007-10-11
CA2645849C (en) 2010-03-30
DE602006004001D1 (de) 2009-01-15
EP1843533A1 (de) 2007-10-10
WO2007112585A1 (en) 2007-10-11
EP2009859B1 (de) 2009-12-23
ATE453276T1 (de) 2010-01-15

Similar Documents

Publication Publication Date Title
WO2010046748A3 (en) Using the same multiplexed radio resource for pilot and information signals
WO2009113946A3 (en) Compensation of diagonal isi in ofdm signals
DE60142326D1 (de) Verfahren zur Mehrbenutzerdetektion
ATE548666T1 (de) Verfahren und vorrichtung zur bestimmung des standortes einer kommunikationsvorrichtung
ITVA20040054A1 (it) Metodo per stimare coefficienti di attenuazione di canali, metodo di ricezione di simboli e relativi ricevitore e trasmettitore a singola antenna o multi-antenna
WO2007133156A3 (en) Delay-doppler channel response demodulation method
WO2007095560A3 (en) Pilot signal transmission method and apparatus
TW200612675A (en) Cdma pilot assisted channel estimation
ATE483307T1 (de) Kommunikationsempfänger mit einem adaptiven entzerrer, welcher kanalschätzung verwendet
DE69807535D1 (de) Verfahren zur verbesserten schätzung der kanalimpulsantwort in tdma-systemen
ATE512513T1 (de) Sir-vorhersageverfahren und -vorrichtung
ATE545251T1 (de) Kanalschätzung und entzerrung für hart begrenzte signale
WO2008150910A3 (en) Method and apparatus for implementing a digital signal quality metric
NO20073474L (no) Lavkompleksitets adaptiv kanalbedommelse
WO2007117325A3 (en) Frequency synchronization in a communication system
BRPI0407557A (pt) receptor de comunicação com um comprimento de equalizador adaptativo
ATE464723T1 (de) Verfahren zur reduzierung der durch verzögerte reflexion zwischen symbolen entstehenden interferenzen
WO2011060532A8 (en) Estimating residual carrier frequency offset in an ofdm signal
EP4111593C0 (de) Verfahren zum übertragen der sendewellenformverzerrung an den empfänger
EP2131543A3 (de) Empfängerarchitektur
DE602006004001D1 (de) Verfahren und Empfänger zur Schätzung der Kanalimpulsantwort unter Verwendung eines Konstant-Modulus-Algorithmus
ATE447264T1 (de) Timing-korrektur zum datenentspreitzen von seriellen impulsgeformten gespreitzen offset- quadratur-signalen
AU2003246589A8 (en) Method and system for concurrent estimation of frequency offset and modulation index
WO2009065953A3 (en) Frequency domain equalization method for continuous phase modulated signals
ATE539505T1 (de) Verfahren und computerprogramm zur schätzung eines signalqualitätswertes sowie signalqualitätsschätzgerät, empfänger und kommunikationsvorrichtung

Legal Events

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