Abstract
To improve the reliability of digital transmissions, error correction codes are used in each digital communication system. New encoding schemes are currently being developed to meet new data rate or reliability constraints. Therefore, digital communication systems are in constant development. In a digital communication system the use of an error correction code is mandatory. The error-correcting code allows you to get good resistance to channel quality degradation. The article presents an analysis of the digital communication system. The article describes the purpose, structure, and blocks on which information transmission is based. Channel encoders are considered to describe a technique for correcting errors in a communication channel. The encoders introduce some redundancy into the binary information sequence, which can be used by the channel decoder in the receiver to overcome the effects of noise and interference that occur when the signal is transmitted over the communication channel. The paper describes the algorithm of the convolutional error correction code in a digital communication channel, and analyzes the main performance indicators of convolutional data encoding. The article illustrates the operation of the convolutional encoding algorithm with a data transfer rate of 1/2.
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