JPS6422150A - Code error correcting communications system - Google Patents
Code error correcting communications systemInfo
- Publication number
- JPS6422150A JPS6422150A JP62178363A JP17836387A JPS6422150A JP S6422150 A JPS6422150 A JP S6422150A JP 62178363 A JP62178363 A JP 62178363A JP 17836387 A JP17836387 A JP 17836387A JP S6422150 A JPS6422150 A JP S6422150A
- Authority
- JP
- Japan
- Prior art keywords
- error correcting
- circuit
- phase
- phase discrimination
- discrimination signal
- 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.)
- Pending
Links
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
PURPOSE:To reduce code errors by multiplexing-modulating and transmitting a phase discrimination signal for respective blocks of error correcting codes and removing the phase uncertainty of a regeneration carrier based on the phase discrimination signal at a receiving side. CONSTITUTION:In a transmission picture, the phase discrimination signal is multiplexed to the error correcting code by a phase discrimination signal multiplexing circuit 10, and the output is sent through a code error correcting coding circuit 11 and a modulator 12. At the receiving side, a modulated wave sent from a transmission side is demodulated by a demodulator 22, and the output is supplied to a code error correcting demodulating circuit 21 and a phase discrimination circuit 22. A phase uncertainty removing circuit 23 inputs the output of the code error correcting demodulating circuit 21 and removes the phase uncertainty based on the phase discrimination signal from the phase discrimination circuit 22.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62178363A JPS6422150A (en) | 1987-07-17 | 1987-07-17 | Code error correcting communications system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62178363A JPS6422150A (en) | 1987-07-17 | 1987-07-17 | Code error correcting communications system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6422150A true JPS6422150A (en) | 1989-01-25 |
Family
ID=16047183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62178363A Pending JPS6422150A (en) | 1987-07-17 | 1987-07-17 | Code error correcting communications system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6422150A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5951645A (en) * | 1982-09-17 | 1984-03-26 | Nec Corp | System and apparatus for coding and decoding of error correction multi-value |
JPS6268349A (en) * | 1985-09-20 | 1987-03-28 | Fujitsu Ltd | Multivalue orthogonal amplitude modulation and demodulation system |
-
1987
- 1987-07-17 JP JP62178363A patent/JPS6422150A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5951645A (en) * | 1982-09-17 | 1984-03-26 | Nec Corp | System and apparatus for coding and decoding of error correction multi-value |
JPS6268349A (en) * | 1985-09-20 | 1987-03-28 | Fujitsu Ltd | Multivalue orthogonal amplitude modulation and demodulation system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW374963B (en) | Communications systems and methods employing code rate partitioning with nonorthogonal modulation | |
DE3361666D1 (en) | Method of correcting the frequency of the local carrier in the receiver of a data transmission system, and receiver utilizing this method | |
EP0369703A3 (en) | Spread spectrum communication system | |
RU98123569A (en) | SIGNALING DATA TRANSFER IN A WIRELESS COMMUNICATION SYSTEM WITH AN ADJUSTABLE SPEED | |
EP0239293A3 (en) | Data transmission systems | |
RU2000102348A (en) | SUBSCRIBER DEVICE AND METHOD OF ITS USE IN A WIRELESS COMMUNICATION SYSTEM | |
WO1998012880A3 (en) | Multiple carrier transmission system with differential coding of subcarriers | |
AU1295792A (en) | A demodulator/modulator apparatus | |
CA2287954A1 (en) | Method and apparatus for transmission and reception of a transmission rate in a cdma communication system | |
WO1988000417A3 (en) | Method and installation for digital communication, particularly between and toward moving vehicles | |
EP0155980A3 (en) | Digital data compression method and means | |
JPS57170652A (en) | Transmitting system for burst signal | |
CA2063526A1 (en) | Carrier recovery control with sequential fec sync detection and frame sync detection | |
AU620588B2 (en) | Satellite communication system with variable coding rate | |
DE3562830D1 (en) | Method for remote control of electrical equipment and corresponding receiver | |
MY138048A (en) | Communication system | |
JPS6422150A (en) | Code error correcting communications system | |
HK118594A (en) | Method and arrangement for the synchronisation of digital information signals | |
EP0246055A3 (en) | Dsk (double phase shift keying) communication system | |
JPS5341162A (en) | Demodulation system for phase continuous frequency shift keying modulation signal | |
JPS6460135A (en) | Radiocommunication system | |
JPS56157150A (en) | Composite digital communication system | |
JPS57136845A (en) | Coding and transfer system of information data | |
JPS57106289A (en) | Abnormality corresponding method on catv system | |
JPS54143007A (en) | Information transmission system |