CS344991A3 - Digital circuit for approximate execution of gmsk modulation - Google Patents
Digital circuit for approximate execution of gmsk modulation Download PDFInfo
- Publication number
- CS344991A3 CS344991A3 CS913449A CS344991A CS344991A3 CS 344991 A3 CS344991 A3 CS 344991A3 CS 913449 A CS913449 A CS 913449A CS 344991 A CS344991 A CS 344991A CS 344991 A3 CS344991 A3 CS 344991A3
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- values
- value
- phase generator
- filter
- output
- Prior art date
Links
- 230000015654 memory Effects 0.000 claims description 70
- ONIBWKKTOPOVIA-BYPYZUCNSA-N L-Proline Chemical compound OC(=O)[C@@H]1CCCN1 ONIBWKKTOPOVIA-BYPYZUCNSA-N 0.000 claims 1
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Natural products OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
- H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4036512A DE4036512A1 (de) | 1990-11-16 | 1990-11-16 | Digitale schaltungsanordnung zur naeherungsweisen realisierung einer gmsk (gaussian minimum shift keying)-modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS344991A3 true CS344991A3 (en) | 1992-06-17 |
Family
ID=6418366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS913449A CS344991A3 (en) | 1990-11-16 | 1991-11-14 | Digital circuit for approximate execution of gmsk modulation |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0486101A3 (ja) |
| JP (1) | JPH04273740A (ja) |
| KR (1) | KR920011091A (ja) |
| CS (1) | CS344991A3 (ja) |
| DE (1) | DE4036512A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ300501B6 (cs) * | 2006-12-14 | 2009-06-03 | Západoceská Univerzita V Plzni | Císlicový generátor fázové modulace |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998049812A1 (fr) * | 1997-04-25 | 1998-11-05 | Hitachi, Ltd. | Circuit de modulation et terminal radio |
| GB2335122A (en) * | 1998-03-05 | 1999-09-08 | Motorola Gmbh | Transmitter adapted to reduce adjacent channel interference |
| US7570705B2 (en) * | 2005-02-16 | 2009-08-04 | Samsung Electronics Co., Ltd. | GMSK modulation using a dual-port memory |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2510490B2 (ja) * | 1985-04-10 | 1996-06-26 | 株式会社日立製作所 | デイジタル変調器 |
| US4757519A (en) * | 1987-10-02 | 1988-07-12 | Hewlett-Packard | Digital premodulation filter |
| IE69762B1 (en) * | 1988-11-30 | 1996-10-02 | Motorola Inc | Digital gmsk modulator with non-integer bit interval handling |
| US5121412A (en) * | 1989-01-03 | 1992-06-09 | Motorola, Inc. | All-digital quadrature modulator |
-
1990
- 1990-11-16 DE DE4036512A patent/DE4036512A1/de not_active Withdrawn
-
1991
- 1991-11-12 EP EP19910202930 patent/EP0486101A3/de not_active Withdrawn
- 1991-11-14 JP JP3299111A patent/JPH04273740A/ja active Pending
- 1991-11-14 CS CS913449A patent/CS344991A3/cs unknown
- 1991-11-15 KR KR1019910020343A patent/KR920011091A/ko not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ300501B6 (cs) * | 2006-12-14 | 2009-06-03 | Západoceská Univerzita V Plzni | Císlicový generátor fázové modulace |
Also Published As
| Publication number | Publication date |
|---|---|
| KR920011091A (ko) | 1992-06-27 |
| JPH04273740A (ja) | 1992-09-29 |
| EP0486101A2 (de) | 1992-05-20 |
| DE4036512A1 (de) | 1992-05-21 |
| EP0486101A3 (en) | 1993-05-12 |
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