DK413085A - Digital kommunikationssystem - Google Patents
Digital kommunikationssystem Download PDFInfo
- Publication number
- DK413085A DK413085A DK413085A DK413085A DK413085A DK 413085 A DK413085 A DK 413085A DK 413085 A DK413085 A DK 413085A DK 413085 A DK413085 A DK 413085A DK 413085 A DK413085 A DK 413085A
- Authority
- DK
- Denmark
- Prior art keywords
- communication system
- digital communication
- digital
- communication
- Prior art date
Links
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
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
-
- 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
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
- H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
- H04L27/2085—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states with more than one phase shift per symbol period
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60105380A JPS61261946A (ja) | 1985-05-15 | 1985-05-15 | デイジタル通信方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK413085D0 DK413085D0 (da) | 1985-09-11 |
| DK413085A true DK413085A (da) | 1986-11-16 |
Family
ID=14406072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK413085A DK413085A (da) | 1985-05-15 | 1985-09-11 | Digital kommunikationssystem |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0215166A3 (da) |
| JP (1) | JPS61261946A (da) |
| DK (1) | DK413085A (da) |
| FI (1) | FI84955C (da) |
| NO (1) | NO853552L (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0740688B2 (ja) * | 1985-12-26 | 1995-05-01 | 松下電器産業株式会社 | デジタル信号伝送方法 |
| JPH0740687B2 (ja) * | 1985-12-26 | 1995-05-01 | 松下電器産業株式会社 | デジタル信号伝送方法 |
| EP2439861B1 (en) | 2005-12-20 | 2013-10-02 | Huawei Technologies Co., Ltd. | Transmitter apparatus for communications system using multiple antennas |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4174505A (en) * | 1978-04-26 | 1979-11-13 | Digital Communications Corporation | Directional PSK modulation and demodulation system |
| FR2469063B1 (fr) * | 1979-10-31 | 1987-10-23 | Brossard Pierre | Modulations binaires a deplacement de phase et modulateurs |
-
1985
- 1985-05-15 JP JP60105380A patent/JPS61261946A/ja active Pending
- 1985-09-11 FI FI853474A patent/FI84955C/fi not_active IP Right Cessation
- 1985-09-11 DK DK413085A patent/DK413085A/da not_active Application Discontinuation
- 1985-09-11 EP EP85306465A patent/EP0215166A3/en not_active Withdrawn
- 1985-09-11 NO NO853552A patent/NO853552L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0215166A2 (en) | 1987-03-25 |
| EP0215166A3 (en) | 1988-01-20 |
| FI84955B (fi) | 1991-10-31 |
| NO853552L (no) | 1986-11-17 |
| JPS61261946A (ja) | 1986-11-20 |
| FI853474A0 (fi) | 1985-09-11 |
| FI853474L (fi) | 1986-11-16 |
| DK413085D0 (da) | 1985-09-11 |
| FI84955C (fi) | 1992-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment |