DE69926746D1 - Vorrichtung und verfahren zur kanalnachführung mit variabler verzögerung - Google Patents

Vorrichtung und verfahren zur kanalnachführung mit variabler verzögerung

Info

Publication number
DE69926746D1
DE69926746D1 DE69926746T DE69926746T DE69926746D1 DE 69926746 D1 DE69926746 D1 DE 69926746D1 DE 69926746 T DE69926746 T DE 69926746T DE 69926746 T DE69926746 T DE 69926746T DE 69926746 D1 DE69926746 D1 DE 69926746D1
Authority
DE
Germany
Prior art keywords
variable delay
channel introduction
introduction
channel
delay
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.)
Expired - Lifetime
Application number
DE69926746T
Other languages
English (en)
Other versions
DE69926746T2 (de
Inventor
S Khayrallah
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69926746D1 publication Critical patent/DE69926746D1/de
Publication of DE69926746T2 publication Critical patent/DE69926746T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols
DE69926746T 1998-05-27 1999-04-20 Vorrichtung und verfahren zur kanalnachführung mit variabler verzögerung Expired - Lifetime DE69926746T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US85435 1979-10-16
US09/085,435 US6370189B1 (en) 1998-05-27 1998-05-27 Apparatus and methods for variable delay channel tracking
PCT/US1999/008739 WO1999062236A1 (en) 1998-05-27 1999-04-20 Apparatus and methods for variable delay channel tracking

Publications (2)

Publication Number Publication Date
DE69926746D1 true DE69926746D1 (de) 2005-09-22
DE69926746T2 DE69926746T2 (de) 2006-05-18

Family

ID=22191576

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69926746T Expired - Lifetime DE69926746T2 (de) 1998-05-27 1999-04-20 Vorrichtung und verfahren zur kanalnachführung mit variabler verzögerung

Country Status (9)

Country Link
US (1) US6370189B1 (de)
EP (1) EP1080566B1 (de)
CN (1) CN1120601C (de)
AU (1) AU3658999A (de)
BR (1) BR9910707A (de)
DE (1) DE69926746T2 (de)
EE (1) EE200000704A (de)
HK (1) HK1039541A1 (de)
WO (1) WO1999062236A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6477200B1 (en) * 1998-11-09 2002-11-05 Broadcom Corporation Multi-pair gigabit ethernet transceiver
US6700938B1 (en) * 1999-09-29 2004-03-02 Motorola, Inc. Method for determining quality of trellis decoded block data
SE516962C2 (sv) * 1999-11-25 2002-03-26 Ericsson Telefon Ab L M Digital kommunikationsmottagare med inbyggd styrenhet för in- och urkoppling av kanalföljare beroende av kommunikationskanalens kvalitet
US6804310B1 (en) * 2000-11-03 2004-10-12 Koninklijke Philips Electronics N.V. Decision feedback loop apparatus and method for channel estimation and de-rotation using burst pilot bits
KR100393192B1 (ko) * 2001-07-11 2003-07-31 삼성전자주식회사 시변 채널에 적합한 신호 수신 장치 및 방법
CN1960556B (zh) * 2005-09-20 2012-01-11 开曼群岛威睿电通股份有限公司 迭代信道预测
US8948817B2 (en) * 2006-10-05 2015-02-03 Nvidia Corporation Cellular communication system, communication unit and method for broadcast communication
US8160506B2 (en) * 2007-09-24 2012-04-17 Broadcom Corporation Method and system for transmission and/or reception of signals up to extremely high frequencies utilizing a delay circuit
US8059706B2 (en) * 2007-09-24 2011-11-15 Broadcom Corporation Method and system for transmission and/or reception of signals utilizing a delay circuit and DDFS
US8046621B2 (en) * 2007-09-24 2011-10-25 Broadcom Corporation Method and system for generation of signals up to extremely high frequencies using a delay block
TW201039574A (en) * 2009-04-22 2010-11-01 Ralink Technology Corp Method of detecting transmission channel and a wireless communication system using the same
EP2782282A3 (de) * 2013-03-20 2018-04-04 ZTE (USA) Inc. Weiche Maximalwahrscheinlichkeitsfolgeschätzung bei digitaler Kommunikation
US10038497B2 (en) 2013-12-18 2018-07-31 Northrup Grumman Systems Corporation Optical transceiver with variable data rate and sensitivity control

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8609711D0 (en) 1986-04-21 1986-05-29 Clark A P Channel estimation & detection
US5263033A (en) * 1990-06-22 1993-11-16 At&T Bell Laboratories Joint data and channel estimation using fast blind trellis search
DE4102151A1 (de) 1991-01-25 1992-07-30 Philips Patentverwaltung Empfaenger fuer ein digitales uebertragungssystem
US5446763A (en) 1991-07-02 1995-08-29 Motorola, Inc. Apparatus and method for converting soft symbols into soft bits
US5862192A (en) * 1991-12-31 1999-01-19 Lucent Technologies Inc. Methods and apparatus for equalization and decoding of digital communications channels using antenna diversity
US5323421A (en) * 1992-09-30 1994-06-21 Motorola, Inc. Method and apparatus of estimating channel quality in a receiver
US5506861A (en) * 1993-11-22 1996-04-09 Ericsson Ge Mobile Comminications Inc. System and method for joint demodulation of CDMA signals
US5544156A (en) 1994-04-29 1996-08-06 Telefonaktiebolaget Lm Ericsson Direct sequence CDMA coherent uplink detector
GB2292052B (en) * 1994-07-22 1997-12-10 Motorola Ltd Communications system
JPH09294095A (ja) * 1996-04-26 1997-11-11 Oki Electric Ind Co Ltd 適応等化器
US6084929A (en) * 1996-12-12 2000-07-04 Ericsson Inc. Method and apparatus for channel tracking
DE19724027C2 (de) 1997-06-06 1999-09-30 Siemens Ag Verfahren und Anordnung zum Empfang von Daten
SG77607A1 (en) * 1997-08-26 2001-01-16 Univ Singapore A multi-user code division multiple access receiver

Also Published As

Publication number Publication date
EP1080566B1 (de) 2005-08-17
US6370189B1 (en) 2002-04-09
HK1039541A1 (en) 2002-04-26
WO1999062236A1 (en) 1999-12-02
CN1120601C (zh) 2003-09-03
EP1080566A1 (de) 2001-03-07
BR9910707A (pt) 2001-01-30
EE200000704A (et) 2002-04-15
AU3658999A (en) 1999-12-13
DE69926746T2 (de) 2006-05-18
CN1310902A (zh) 2001-08-29

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