DE69206199D1 - Verfahren zur Kompensierung der Abhängigkeit des nützlichen Sendersignals von der Übertragungsfunktion eines Kombinierer-Filters. - Google Patents
Verfahren zur Kompensierung der Abhängigkeit des nützlichen Sendersignals von der Übertragungsfunktion eines Kombinierer-Filters.Info
- Publication number
- DE69206199D1 DE69206199D1 DE69206199T DE69206199T DE69206199D1 DE 69206199 D1 DE69206199 D1 DE 69206199D1 DE 69206199 T DE69206199 T DE 69206199T DE 69206199 T DE69206199 T DE 69206199T DE 69206199 D1 DE69206199 D1 DE 69206199D1
- Authority
- DE
- Germany
- Prior art keywords
- compensating
- dependence
- transfer function
- transmitter signal
- combiner filter
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Materials For Photolithography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9101805A SE468616B (sv) | 1991-06-12 | 1991-06-12 | Foerfarande foer kompensering av saendarnyttosignalens beroende av oeverfoeringsfunktionen foer ett combinerfilter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69206199D1 true DE69206199D1 (de) | 1996-01-04 |
DE69206199T2 DE69206199T2 (de) | 1996-04-18 |
Family
ID=20383018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69206199T Expired - Lifetime DE69206199T2 (de) | 1991-06-12 | 1992-05-26 | Verfahren zur Kompensierung der Abhängigkeit des nützlichen Sendersignals von der Übertragungsfunktion eines Kombinierer-Filters. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5499389A (de) |
EP (1) | EP0518835B1 (de) |
JP (1) | JP3244772B2 (de) |
DE (1) | DE69206199T2 (de) |
DK (1) | DK0518835T3 (de) |
FI (1) | FI108379B (de) |
MX (1) | MX9202632A (de) |
SE (1) | SE468616B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SI9300025A (en) * | 1993-01-21 | 1994-09-30 | Spase Drakul | Digital communication system in n-dimensional vector space for transmission coded waveforms in bandlimited chanels |
US5748683A (en) * | 1994-12-29 | 1998-05-05 | Motorola, Inc. | Multi-channel transceiver having an adaptive antenna array and method |
DE29704209U1 (de) * | 1997-03-07 | 1998-07-02 | Robert Bosch Gmbh, 70469 Stuttgart | Freiausstoßender Starter |
WO1998059471A2 (en) * | 1997-06-20 | 1998-12-30 | Ericsson Inc. | Method and apparatus for digital compensation of radio distortion in a wireless communication system |
US6889034B1 (en) * | 1998-04-02 | 2005-05-03 | Ericsson Inc. | Antenna coupling systems and methods for transmitters |
US6920191B2 (en) * | 2001-02-02 | 2005-07-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Estimation and compensation of the pulse-shape response in wireless terminals |
US7020070B2 (en) | 2001-04-10 | 2006-03-28 | Telefonaktiebolaget L M Ericsson (Publ) | Selectively controlled modulation distortion of an IQ-baseband signal |
US7782978B2 (en) * | 2006-04-13 | 2010-08-24 | Harris Corporation | Phase correction of a constant envelope signal without introducing amplitude modulation |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3010035A (en) * | 1955-11-07 | 1961-11-21 | John F Calvert | Short-time memory devices in closed-loop systems |
US2875283A (en) * | 1956-12-28 | 1959-02-24 | Bell Telephone Labor Inc | Equivalent four-wire repeaters |
US4238855A (en) * | 1979-09-19 | 1980-12-09 | Rca Corporation | Parallel operation of multiple TV transmitters |
CA1217233A (en) * | 1982-12-29 | 1987-01-27 | Susumu Sasaki | Qam with dc bias in one channel |
US4667172A (en) * | 1986-04-07 | 1987-05-19 | Motorola, Inc. | Ceramic transmitter combiner with variable electrical length tuning stub and coupling loop interface |
DE3626862A1 (de) * | 1986-08-08 | 1988-02-11 | Philips Patentverwaltung | Mehrstufige sender- antennenkoppeleinrichtung |
GB2204202B (en) * | 1987-04-28 | 1991-11-27 | Racal Communications Equip | Radio transmitters |
JPH01227530A (ja) * | 1988-03-07 | 1989-09-11 | Kokusai Electric Co Ltd | 分波器 |
US4896152A (en) * | 1989-03-02 | 1990-01-23 | General Electric Company | Telemetry system with a sending station using recursive filter for bandwidth limiting |
JPH07114420B2 (ja) * | 1989-05-12 | 1995-12-06 | 富士通株式会社 | 変調回路 |
US5068874A (en) * | 1989-08-07 | 1991-11-26 | Motorola, Inc. | Spectrally efficient digital fm modulation system |
FR2652965A1 (fr) * | 1989-10-06 | 1991-04-12 | Philips Electronique Lab | Dispositif de predistorsion pour systeme de transmission numerique. |
-
1991
- 1991-06-12 SE SE9101805A patent/SE468616B/sv not_active IP Right Cessation
-
1992
- 1992-05-26 DK DK92850118.8T patent/DK0518835T3/da active
- 1992-05-26 EP EP92850118A patent/EP0518835B1/de not_active Expired - Lifetime
- 1992-05-26 DE DE69206199T patent/DE69206199T2/de not_active Expired - Lifetime
- 1992-06-02 MX MX9202632A patent/MX9202632A/es unknown
- 1992-06-11 FI FI922715A patent/FI108379B/fi active
- 1992-06-12 JP JP15373392A patent/JP3244772B2/ja not_active Expired - Lifetime
-
1994
- 1994-08-22 US US08/293,939 patent/US5499389A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3244772B2 (ja) | 2002-01-07 |
SE9101805L (sv) | 1992-12-13 |
FI108379B (fi) | 2002-01-15 |
FI922715A (fi) | 1992-12-13 |
JPH07177078A (ja) | 1995-07-14 |
EP0518835A1 (de) | 1992-12-16 |
SE9101805D0 (sv) | 1991-06-12 |
EP0518835B1 (de) | 1995-11-22 |
MX9202632A (es) | 1992-12-01 |
DE69206199T2 (de) | 1996-04-18 |
DK0518835T3 (da) | 1995-12-18 |
SE468616B (sv) | 1993-02-15 |
FI922715A0 (fi) | 1992-06-11 |
US5499389A (en) | 1996-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |
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