AU3712497A

AU3712497A – Frequency domain signal reconstruction in sampled digital communications systems
– Google Patents

AU3712497A – Frequency domain signal reconstruction in sampled digital communications systems
– Google Patents
Frequency domain signal reconstruction in sampled digital communications systems

Info

Publication number
AU3712497A

AU3712497A
AU37124/97A
AU3712497A
AU3712497A
AU 3712497 A
AU3712497 A
AU 3712497A
AU 37124/97 A
AU37124/97 A
AU 37124/97A
AU 3712497 A
AU3712497 A
AU 3712497A
AU 3712497 A
AU3712497 A
AU 3712497A
Authority
AU
Australia
Prior art keywords
frequency domain
domain signal
communications systems
digital communications
signal reconstruction
Prior art date
1996-07-09
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
AU37124/97A
Inventor
Antoni Fertner
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.)
1996-07-09
Filing date
1997-07-08
Publication date
1998-02-02

1997-07-08
Application filed by Telefonaktiebolaget LM Ericsson AB
filed
Critical
Telefonaktiebolaget LM Ericsson AB

1998-02-02
Publication of AU3712497A
publication
Critical
patent/AU3712497A/en

Status
Abandoned
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

H—ELECTRICITY

H04—ELECTRIC COMMUNICATION TECHNIQUE

H04B—TRANSMISSION

H04B3/00—Line transmission systems

H04B3/02—Details

H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

AU37124/97A
1996-07-09
1997-07-08
Frequency domain signal reconstruction in sampled digital communications systems

Abandoned

AU3712497A
(en)

Applications Claiming Priority (3)

Application Number
Priority Date
Filing Date
Title

US08/679,387

US5793801A
(en)

1996-07-09
1996-07-09
Frequency domain signal reconstruction compensating for phase adjustments to a sampling signal

US08679387

1996-07-09

PCT/SE1997/001248

WO1998001961A2
(en)

1996-07-09
1997-07-08
Frequency domain signal reconstruction in sampled digital communications systems

Publications (1)

Publication Number
Publication Date

AU3712497A
true

AU3712497A
(en)

1998-02-02

Family
ID=24726719
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU37124/97A
Abandoned

AU3712497A
(en)

1996-07-09
1997-07-08
Frequency domain signal reconstruction in sampled digital communications systems

Country Status (5)

Country
Link

US
(1)

US5793801A
(en)

EP
(1)

EP0908020A2
(en)

AU
(1)

AU3712497A
(en)

CA
(1)

CA2259609A1
(en)

WO
(1)

WO1998001961A2
(en)

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Method and apparatus for detecting a secondary destination of a telephone call based on changes in the telephone signal path

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Method and apparatus for echo cancellation

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Method to mitigate the near-far fext problem

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Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships

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Method and system for down-converting electromagnetic signals

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Method and system for frequency up-conversion

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Integrated frequency translation and selectivity with a variety of filter embodiments

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Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same

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Method and system for frequency up-conversion with modulation embodiments

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Method and system for frequency up-conversion with variety of transmitter configurations

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Method and system for ensuring reception of a communications signal

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2007-06-26
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Method and system for frequency up-conversion

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Applications of universal frequency translation

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Demodulator for a multi-pair gigabit transceiver

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Multi-mode, multi-band communication system

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1999-01-22
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Image-reject down-converter and embodiments thereof, such as the family radio service

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1999-02-26
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Microsoft Corp.
Adaptive filtering system and method for adaptively canceling echoes and reducing noise in digital signals

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1999-04-16
2005-02-08
Parkervision, Inc.
Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments

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1999-04-16
2005-04-12
Parkervision, Inc.
DC offset, re-radiation, and I/Q solutions using universal frequency translation technology

US7693230B2
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1999-04-16
2010-04-06
Parkervision, Inc.
Apparatus and method of differential IQ frequency up-conversion

US7065162B1
(en)

1999-04-16
2006-06-20
Parkervision, Inc.
Method and system for down-converting an electromagnetic signal, and transforms for same

US7110444B1
(en)

1999-08-04
2006-09-19
Parkervision, Inc.
Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations

EP1171982B1
(en)

*

1999-04-22
2007-07-25
Broadcom Corporation
Gigabit ethernet with timing offsets between twisted-pair conductors

US6535552B1
(en)

*

1999-05-19
2003-03-18
Motorola, Inc.
Fast training of equalizers in discrete multi-tone (DMT) systems

US8295406B1
(en)

1999-08-04
2012-10-23
Parkervision, Inc.
Universal platform module for a plurality of communication protocols

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(en)

*

1999-12-09
2004-06-01
Harris Corporation
Detection of bridge taps by frequency domain reflectometry-based signal processing with precursor signal conditioning

US6704349B1
(en)

*

2000-01-18
2004-03-09
Ditrans Corporation
Method and apparatus for canceling a transmit signal spectrum in a receiver bandwidth

US7010286B2
(en)

2000-04-14
2006-03-07
Parkervision, Inc.
Apparatus, system, and method for down-converting and up-converting electromagnetic signals

US7672447B1
(en)

*

2000-06-01
2010-03-02
Telefonaktiebolaget Lm Ericsson (Publ)
Frequency domain echo canceller

US6870881B1
(en)

2000-08-24
2005-03-22
Marvell International Ltd.
Feedforward equalizer for DFE based detector

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2000-11-14
2008-11-18
Parkervision, Inc.
Methods, systems, and computer program products for parallel correlation and applications thereof

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2000-11-22
2004-10-12
Marvell International Ltd.
Method and apparatus for constraining tap coefficients in an adaptive finite impulse response filter

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2001-11-09
2006-07-04
Parkervision, Inc.
Method and apparatus for reducing DC offsets in a communication system

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2006-02-21
Agere Systems Inc.
Efficient PCM modem

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Parkervision, Inc.
Networking methods and systems

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2002-07-18
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Networking methods and systems

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Transform-domain sample-by-sample decision feedback equalizer

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Conmed Corporation
Electrosurgical generator and method with multiple semi-autonomously executable functions

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Modeling an electronic device

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Synchronization And Channel Estimation With Sub-Nyquist Sampling In Ultra-Wideband Communication Systems

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Teranetics, Inc.
Receiver ADC clock delay base on echo signals

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Link—A—Media Devices Corporation
Read channel processor

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2006-02-07
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Link—A—Media Devices Corporation
Timing loop

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2010-07-20
Freescale Semiconductor, Inc.
Localized content adaptive filter for low power scalable image processing

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2006-12-07
2012-10-03
Akg声学有限公司
Method for hiding information lost in multi-channel arrangement one or more channels

US8229706B2
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*

2008-06-10
2012-07-24
Advantest Corporation
Sampling apparatus, sampling method and recording medium

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*

2008-11-11
2011-10-04
Philip Brown
Resource efficient adaptive digital pre-distortion system

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2009-04-29
2011-10-04
Juniper Networks, Inc.
Apparatus and method of compensating for clock frequency and phase variations by processing packet delay values

US8891607B2
(en)

2012-09-06
2014-11-18
Avago Technologies General Ip (Singapore) Pte. Ltd.
Feed forward equalizer tap weight adaptation based on channel estimation

US8964827B2
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2013-03-07
2015-02-24
Avago Technologies General Ip (Singapore) Pte. Ltd.
Adaptation of equalizer settings using error signals sampled at several different phases

WO2015178932A1
(en)

*

2014-05-23
2015-11-26
Intel Corporation
Blind technique for weight selection in simultaneous transmit and receive structure

WO2019201452A1
(en)

*

2018-04-20
2019-10-24
Telefonaktiebolaget Lm Ericsson (Publ)
Method and apparatus for energy efficient transmission and reception of a signal using aliasing

TWI733240B
(en)

*

2019-11-05
2021-07-11
瑞昱半導體股份有限公司
Transceiver and signal processing method applied in transceiver

CN116136602B
(en)

*

2023-04-14
2023-06-23
福建福大北斗通信科技有限公司
Device and method for in-band spectrum amplitude and time delay consistency of Beidou anti-interference channel

Family Cites Families (4)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

NL9001016A
(en)

*

1990-04-27
1991-11-18
Philips Nv

DIGITAL ECHO COMPENSATOR WITH A DOUBLE-VOICE DETECTOR.

US5384806A
(en)

*

1991-09-23
1995-01-24
At&T Bell Laboratories
Modem with time-invariant echo path

US5317596A
(en)

*

1992-12-01
1994-05-31
The Board Of Trustees Of The Leland Stanford, Junior University
Method and apparatus for echo cancellation with discrete multitone modulation

US5555285A
(en)

*

1995-03-30
1996-09-10
Westell Incorporated
Multi-variate system having an intelligent telecommunications interface with automatic adaptive delay distortion equalization (and related method)

1996

1996-07-09
US
US08/679,387
patent/US5793801A/en
not_active
Expired – Lifetime

1997

1997-07-08
AU
AU37124/97A
patent/AU3712497A/en
not_active
Abandoned

1997-07-08
WO
PCT/SE1997/001248
patent/WO1998001961A2/en
not_active
Application Discontinuation

1997-07-08
CA
CA002259609A
patent/CA2259609A1/en
not_active
Abandoned

1997-07-08
EP
EP97933948A
patent/EP0908020A2/en
not_active
Withdrawn

Also Published As

Publication number
Publication date

WO1998001961A2
(en)

1998-01-15

US5793801A
(en)

1998-08-11

WO1998001961A3
(en)

1998-04-23

CA2259609A1
(en)

1998-01-15

EP0908020A2
(en)

1999-04-14

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