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 metodoInfo
- 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
Links
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 title 1
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)
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)
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)
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 |
-
1989
- 1989-12-22 IT IT02284189A patent/IT1236977B/it active IP Right Grant
-
1990
- 1990-12-20 DE DE91901793T patent/DE69002465T2/de not_active Expired - Fee Related
- 1990-12-20 WO PCT/EP1990/002297 patent/WO1991010295A1/en active IP Right Grant
- 1990-12-20 EP EP91901793A patent/EP0506804B1/en not_active Expired - Lifetime
- 1990-12-22 US US07/859,475 patent/US5349607A/en not_active Expired - Fee Related
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 |