JPS5643855A - Digital multilevel, multiphase modulation-demodulation system - Google Patents
Digital multilevel, multiphase modulation-demodulation systemInfo
- Publication number
- JPS5643855A JPS5643855A JP12030879A JP12030879A JPS5643855A JP S5643855 A JPS5643855 A JP S5643855A JP 12030879 A JP12030879 A JP 12030879A JP 12030879 A JP12030879 A JP 12030879A JP S5643855 A JPS5643855 A JP S5643855A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- signals
- signal
- multilevel
- leading
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12030879A JPS5643855A (en) | 1979-09-18 | 1979-09-18 | Digital multilevel, multiphase modulation-demodulation system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12030879A JPS5643855A (en) | 1979-09-18 | 1979-09-18 | Digital multilevel, multiphase modulation-demodulation system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5643855A true JPS5643855A (en) | 1981-04-22 |
JPH0331028B2 JPH0331028B2 (ja) | 1991-05-02 |
Family
ID=14783016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12030879A Granted JPS5643855A (en) | 1979-09-18 | 1979-09-18 | Digital multilevel, multiphase modulation-demodulation system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5643855A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5940748A (ja) * | 1982-05-26 | 1984-03-06 | ウエスターン エレクトリック カムパニー,インコーポレーテッド | フレ−ム同期保持装置及びその方法 |
JPS62247655A (ja) * | 1986-04-10 | 1987-10-28 | Fujitsu Ltd | 位相不確定性除去方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4830308A (ja) * | 1971-08-19 | 1973-04-21 |
-
1979
- 1979-09-18 JP JP12030879A patent/JPS5643855A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4830308A (ja) * | 1971-08-19 | 1973-04-21 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5940748A (ja) * | 1982-05-26 | 1984-03-06 | ウエスターン エレクトリック カムパニー,インコーポレーテッド | フレ−ム同期保持装置及びその方法 |
JPS62247655A (ja) * | 1986-04-10 | 1987-10-28 | Fujitsu Ltd | 位相不確定性除去方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0331028B2 (ja) | 1991-05-02 |
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