Ms. Jiayin Liu Profile

Jiayin Liu

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Proceedings Article | 6 September 2022 Paper

The simulation of a complete digital communication system

Jiayin Liu, Yulin Yang, Hongqi Yu

Proceedings Volume 12332, 1233216 (2022) https://doi.org/10.1117/12.2652595

KEYWORDS: Signal to noise ratio, Computer programming, Data communications, Telecommunications, Modulation, Signal processing, Forward error correction, Phase shift keying, MATLAB, Binary data

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Digital communication is a kind of method that carrier is applied to digital signal for transmitting message, or uses digital signal to carry on digital modulation to the carrier and transmits the communication mode. Digital signals such as telegraph, digital data, and analog signals such as voice and image that have been digitally processed can be transmitted. Besides, since the rapid development of modern technology such as computer technology, digital storage technology, digital switching technology and digital processing technology, many signals at equipment and terminal interface are digital signals, hence it is convenient to connect it with the digital communication system. Anyway, the purpose of this project is to use MATLAB programming to construct a digital communication system, demonstrates the results of its operation and analysis eleven different factors may affect the communication of the system. All the functions of different sections are separated and named in their own file with its annotation. The comparisons of results that are influenced by different factors are well explained through figures or tables. All the efforts are targeted to minimize the error between input file and output file to build a qualified digital communication system and prove more useful data for the reference of this field.

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