FR1470882A - Réseau de télécommunication - Google Patents
Réseau de télécommunicationInfo
- Publication number
- FR1470882A FR1470882A FR52649A FR52649A FR1470882A FR 1470882 A FR1470882 A FR 1470882A FR 52649 A FR52649 A FR 52649A FR 52649 A FR52649 A FR 52649A FR 1470882 A FR1470882 A FR 1470882A
- Authority
- FR
- France
- Prior art keywords
- telecommunication network
- telecommunication
- network
- 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
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
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
- H04L27/2278—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using correlation techniques, e.g. for spread spectrum signals
-
- 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
- H04L27/2035—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 a single or unspecified number of carriers
- H04L27/2042—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 a single or unspecified number of carriers with more than two phase states
- H04L27/205—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 a single or unspecified number of carriers with more than two phase states in which the data are represented by the change in phase of the carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR52649A FR1470882A (fr) | 1965-03-15 | 1966-03-09 | Réseau de télécommunication |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43959465A | 1965-03-15 | 1965-03-15 | |
FR52649A FR1470882A (fr) | 1965-03-15 | 1966-03-09 | Réseau de télécommunication |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1470882A true FR1470882A (fr) | 1967-02-24 |
Family
ID=26169085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR52649A Expired FR1470882A (fr) | 1965-03-15 | 1966-03-09 | Réseau de télécommunication |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1470882A (fr) |
-
1966
- 1966-03-09 FR FR52649A patent/FR1470882A/fr not_active Expired
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