IT1236977B - Ricevitore per un sistema radiomobile digitale con cancellazione di segnali interferenti isofrequenziali aventi lo stesso tipo di modulazione,e relativo metodo - Google Patents

Ricevitore per un sistema radiomobile digitale con cancellazione di segnali interferenti isofrequenziali aventi lo stesso tipo di modulazione,e relativo metodo

Info

Publication number
IT1236977B
IT1236977B IT02284189A IT2284189A IT1236977B IT 1236977 B IT1236977 B IT 1236977B IT 02284189 A IT02284189 A IT 02284189A IT 2284189 A IT2284189 A IT 2284189A IT 1236977 B IT1236977 B IT 1236977B
Authority
IT
Italy
Prior art keywords
isofrequential
interferent
cancellation
modulation
receiver
Prior art date
Application number
IT02284189A
Other languages
English (en)
Other versions
IT8922841A1 (it
IT8922841A0 (it
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Priority to IT02284189A priority Critical patent/IT1236977B/it
Publication of IT8922841A0 publication Critical patent/IT8922841A0/it
Priority to DE91901793T priority patent/DE69002465T2/de
Priority to PCT/EP1990/002297 priority patent/WO1991010295A1/en
Priority to EP91901793A priority patent/EP0506804B1/en
Priority to US07/859,475 priority patent/US5349607A/en
Publication of IT8922841A1 publication Critical patent/IT8922841A1/it
Application granted granted Critical
Publication of IT1236977B publication Critical patent/IT1236977B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • 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
    • H04L25/0328—Arrangements for operating in conjunction with other apparatus with interference cancellation 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03401—PSK
    • H04L2025/03407—Continuous phase
    • 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
    • H04L25/0224—Channel estimation using sounding signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Error Detection And Correction (AREA)
IT02284189A 1989-12-22 1989-12-22 Ricevitore per un sistema radiomobile digitale con cancellazione di segnali interferenti isofrequenziali aventi lo stesso tipo di modulazione,e relativo metodo IT1236977B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT02284189A IT1236977B (it) 1989-12-22 1989-12-22 Ricevitore per un sistema radiomobile digitale con cancellazione di segnali interferenti isofrequenziali aventi lo stesso tipo di modulazione,e relativo metodo
DE91901793T DE69002465T2 (de) 1989-12-22 1990-12-20 Empfänger für ein digitales mobilfunksystem mit auslöschung von gleichfrequenten interferenzsignalen mit gleichartiger modulation und diesbezügliches verfahren.
PCT/EP1990/002297 WO1991010295A1 (en) 1989-12-22 1990-12-20 Receiver for a digital radiomobile system with cancellation of isofrequency interfering signals having the same kind of modulation, and relevant method
EP91901793A EP0506804B1 (en) 1989-12-22 1990-12-20 Receiver for a digital radiomobile system with cancellation of isofrequency interfering signals having the same kind of modulation, and relevant method
US07/859,475 US5349607A (en) 1989-12-22 1990-12-22 Receiver for a digital radiomobile system with cancellation of isofrequency interfering signals having the same kind of modulation, and relevant method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02284189A IT1236977B (it) 1989-12-22 1989-12-22 Ricevitore per un sistema radiomobile digitale con cancellazione di segnali interferenti isofrequenziali aventi lo stesso tipo di modulazione,e relativo metodo

Publications (3)

Publication Number Publication Date
IT8922841A0 IT8922841A0 (it) 1989-12-22
IT8922841A1 IT8922841A1 (it) 1991-06-22
IT1236977B true IT1236977B (it) 1993-05-12

Family

ID=11201055

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02284189A IT1236977B (it) 1989-12-22 1989-12-22 Ricevitore per un sistema radiomobile digitale con cancellazione di segnali interferenti isofrequenziali aventi lo stesso tipo di modulazione,e relativo metodo

Country Status (5)

Country Link
US (1) US5349607A (it)
EP (1) EP0506804B1 (it)
DE (1) DE69002465T2 (it)
IT (1) IT1236977B (it)
WO (1) WO1991010295A1 (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993022853A1 (en) * 1992-04-27 1993-11-11 The Commonwealth Of Australia Optimum estimation of data and parameters for communication systems
JPH06140951A (ja) * 1992-10-27 1994-05-20 Sony Corp ビタビ等化器
GB2286506B (en) * 1994-02-10 1997-12-10 Roke Manor Research Improvements in or relating to co-channel interferance suppression systems
US5946346A (en) * 1997-10-07 1999-08-31 Motorola, Inc. Method and system for generating a power control command in a wireless communication system
FI106675B (fi) * 1998-01-30 2001-03-15 Nokia Networks Oy Tiedonsiirtomenetelmä ja radiojärjestelmä
EP0994575A1 (en) * 1998-10-12 2000-04-19 Hewlett-Packard Company Extraction of primary and co-channel signals using propagation path metrics
US6256486B1 (en) 1999-09-09 2001-07-03 Nortel Networks Limited Method and apparatus for measuring co-channel interference
US7010069B2 (en) * 2000-12-04 2006-03-07 Trellisware Technologies, Inc. Method for co-channel interference identification and mitigation
US20030224723A1 (en) * 2002-05-30 2003-12-04 Feng-Wen Sun Method and system for providing two-way communication using an overlay of signals over a non-linear communications channel
US6975839B2 (en) * 2002-09-19 2005-12-13 Nokia Corporation Apparatus, and associated method, for estimating frequency offset using filtered, down-sampled likelihood polynomials
US7733996B2 (en) * 2005-05-25 2010-06-08 Research In Motion Limited Joint space-time optimum filters (JSTOF) for interference cancellation
US7844232B2 (en) * 2005-05-25 2010-11-30 Research In Motion Limited Joint space-time optimum filters (JSTOF) with at least one antenna, at least one channel, and joint filter weight and CIR estimation
US20070049233A1 (en) * 2005-08-15 2007-03-01 Research In Motion Limited Wireless Communications Device Including a Joint Space-Time Optimum Filters (JSTOF) Using Singular Value Decompositions (SVD)
US20070037541A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Wireless Communications Device Including a Joint Space-Time Optimum Filter (JSTOF) Using Cholesky and Eigenvalue Decompositions
US20070133814A1 (en) * 2005-08-15 2007-06-14 Research In Motion Limited Joint Space-Time Optimum Filter (JSTOF) Using Cholesky and Eigenvalue Decompositions
US20070036210A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Joint Space-Time Optimum Filters (JSTOF) with at Least One Antenna, at Least One Channel, and Joint Filter Weight and CIR Estimation
US20070036122A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Joint Space-Time Optimum Filters (JSTOF) for Interference Cancellation
US20070042741A1 (en) * 2005-08-15 2007-02-22 Research In Motion Limited Wireless Communications Device Including a Joint Space-Time Optimum Filters (JSTOF) Using QR and Eigenvalue Decompositions
US7623605B2 (en) * 2005-08-15 2009-11-24 Research In Motion Limited Interference canceling matched filter (ICMF) and related methods
US20070049232A1 (en) * 2005-08-15 2007-03-01 Research In Motion Limited Joint Space-Time Optimum Filter (JSTOF) Using QR and Eigenvalue Decompositions
US20070037540A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Joint Space-Time Optimum Filters (JSTOF) Using Singular Value Decompositions (SVD)
US7643590B2 (en) * 2005-08-23 2010-01-05 Research In Motion Limited Joint demodulation filter for co-channel interference reduction and related methods
US7639763B2 (en) * 2005-08-23 2009-12-29 Research In Motion Limited Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
US7489252B2 (en) * 2006-04-26 2009-02-10 Kimberly-Clark Worldwide, Inc. Wetness monitoring systems with status notification system
US20080159448A1 (en) * 2006-12-29 2008-07-03 Texas Instruments, Incorporated System and method for crosstalk cancellation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246525A1 (de) * 1982-12-16 1984-06-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur entzerrung linearer zeitinvarianter oder langsam zeitvarianter nachrichtenuebertragungskanaele
US4967080A (en) * 1987-09-18 1990-10-30 Hamamatsu Photonics Kabushiki Kaisha Apparatus for measuring the temporal correlation of fundamental particles
SE465245B (sv) * 1989-12-22 1991-08-12 Ericsson Telefon Ab L M Foerfarande att utfoera kanalestimering foer en faedande kanal vid oeverfoering av symbolsekvenser
US5251233A (en) * 1990-12-20 1993-10-05 Motorola, Inc. Apparatus and method for equalizing a corrupted signal in a receiver

Also Published As

Publication number Publication date
DE69002465D1 (de) 1993-09-02
IT8922841A1 (it) 1991-06-22
US5349607A (en) 1994-09-20
IT8922841A0 (it) 1989-12-22
WO1991010295A1 (en) 1991-07-11
EP0506804B1 (en) 1993-07-28
DE69002465T2 (de) 1994-02-17
EP0506804A1 (en) 1992-10-07

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951221