AU2002347422A1 - Channel estimation for ofdm systems - Google Patents

Channel estimation for ofdm systems

Info

Publication number
AU2002347422A1
AU2002347422A1 AU2002347422A AU2002347422A AU2002347422A1 AU 2002347422 A1 AU2002347422 A1 AU 2002347422A1 AU 2002347422 A AU2002347422 A AU 2002347422A AU 2002347422 A AU2002347422 A AU 2002347422A AU 2002347422 A1 AU2002347422 A1 AU 2002347422A1
Authority
AU
Australia
Prior art keywords
channel estimation
ofdm systems
ofdm
systems
estimation
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2002347422A
Inventor
Stefan Mueller-Weinfurtner
Peter Schramm
Jorn Thielecke
Udo Wachsmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2002347422A1 publication Critical patent/AU2002347422A1/en
Abandoned legal-status Critical Current

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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • 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
    • H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
AU2002347422A 2002-10-08 2002-10-08 Channel estimation for ofdm systems Abandoned AU2002347422A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2002/004609 WO2004034663A1 (en) 2002-10-08 2002-10-08 Channel estimation for ofdm systems

Publications (1)

Publication Number Publication Date
AU2002347422A1 true AU2002347422A1 (en) 2004-05-04

Family

ID=32088945

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002347422A Abandoned AU2002347422A1 (en) 2002-10-08 2002-10-08 Channel estimation for ofdm systems

Country Status (2)

Country Link
AU (1) AU2002347422A1 (en)
WO (1) WO2004034663A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006018034A1 (en) * 2004-08-20 2006-02-23 Ntt Docomo, Inc. Filter apparatus and method for frequency domain filtering
GB0610142D0 (en) 2006-05-22 2006-06-28 Ttp Communications Ltd Channel estimation
US7830984B2 (en) * 2007-03-30 2010-11-09 Hong Kong Applied Science And Technology Research Institute Co., Ltd. OFDM/OFDMA channel estimation
CN101212433B (en) * 2007-12-25 2011-12-28 北京创毅视讯科技有限公司 Channel estimating method and device
CN101534281B (en) * 2009-04-20 2011-06-22 北京交通大学 Diversity channel estimate method for OFDM systems based on comb-type pilot frequency
US20120250533A1 (en) * 2011-03-29 2012-10-04 Tom Harel Symmetrization of channel impulse response
WO2013037107A1 (en) * 2011-09-14 2013-03-21 St-Ericsson Sa Channel estimation method, channel estimation apparatus and communication device for cdma systems
CN113132278B (en) * 2021-04-20 2022-08-02 上海矽昌微电子有限公司 Channel smoothing method and system of wireless OFDM system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4212300C2 (en) * 1992-04-11 1994-05-19 Paul Walter Prof Dr Ing Baier Method and device for the simultaneous estimation of channels in digital message transmission in multiple access systems
US5712877A (en) * 1995-05-26 1998-01-27 Simon Fraser University Pilot-symbol aided continuous phase modulation system
DE19618561A1 (en) * 1996-05-09 1997-11-13 Iaf Inst Fuer Angewandte Funks Continuous process method for multicarrier signal
AU730282B2 (en) * 1999-02-18 2001-03-01 Nippon Telegraph & Telephone Corporation Coherent detection system for multicarrier modulation
WO2002023840A1 (en) * 2000-09-15 2002-03-21 Telefonaktiebolaget Lm Ericsson (Publ) Pilot-assisted channel estimation with pilot interpolation

Also Published As

Publication number Publication date
WO2004034663A1 (en) 2004-04-22

Similar Documents

Publication Publication Date Title
EP1563622A4 (en) Channel estimation for ofdm communication systems
AU2003248605A1 (en) Channel estimator and equalizer for ofdm systems
AU2002365351A1 (en) Rate selection for an ofdm system
EP1355467B8 (en) Orthogonal frequency division multiplexing (OFDM) system with channel transfer function prediction
AU2003265050A1 (en) Channel mapping for ofdm frequency-hopping
EP1639738A4 (en) Signal constellations for multi-carrier systems
IL176305A0 (en) Channel estimation for an ofdm communication system with inactive subbands
AU2003299718A1 (en) Velocity enhancement for ofdm systems
AU2003247032A1 (en) Time-frequency interleaved mc-cdma for quasi-synchronous systems
AU2003212244A1 (en) Two-dimensional channel estimation for multicarrier multiple input outpout communication systems
AU2064401A (en) Enhanced channel estimation
AU2003245639A1 (en) System and method for pose-angle estimation
IL168512A (en) Reduced complexity channel estimation for wireless communication systems
AU2003298264A1 (en) Iterative channel estimation in multicarrier receivers
HK1079927A1 (en) Channel estimation for systems with transmission diversity
AU2002360501A1 (en) Method and system for adaptive channel estimation techniques
EP1535404A4 (en) Channel estimation for communication systems
AU2003276006A1 (en) Channel estimation using pilot symbols
AU2003245696A1 (en) Object-oriented system estimation
AU2002346470A1 (en) Rate selection for an ofdm system
AU2002359017A1 (en) An orthogonal frequency division multiplexing system
AU2002950426A0 (en) Anti microbial oro-dental system
AU2003293452A1 (en) Excess delay spread detection method for multi-carrier communication systems
AU2003201483A1 (en) Correlation method for channel estimation for ofdm
AU2002347422A1 (en) Channel estimation for ofdm systems

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase