Compresión de datos con Algoritmo de Huffman para transmisión de datos mediante Li-Fi utilizando hardware libre.
In recent years, communication through visible light has become one of the most important developments in telecommunications, as it will allow significant improvements in terms of the speed at which information is transmitted and its security. Considering this, the present project focuses on the con...
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| 格式: | bachelorThesis |
| 語言: | spa |
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2017
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| 主題: | |
| 在線閱讀: | http://dspace.ups.edu.ec/handle/123456789/14625 |
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添加標簽 | 總結: | In recent years, communication through visible light has become one of the most important developments in telecommunications, as it will allow significant improvements in terms of the speed at which information is transmitted and its security. Considering this, the present project focuses on the construction of a unidirectional Li-Fi communication prototype which, together with the implementation of the Huffman coding algorithm, allows to reduce the total size of the data to be transmitted to be reduced and also the use of the spectrum within the communication link, thus increasing the alternatives that allow optimizing the use of the communication channel. It is also presented a comparative analysis between Arduino and Raspberry Pi as well as the software available for each one, which allow us to obtain the best results and above all, that are economically accessible. Finally, the different tests performed regarding speed parameters and communication spectrum utilization are shown, as well as their respective analysis within two scenarios, the first one without implementing the Huffman coding algorithm and the second scenario making use of said coding ; for such tests the use of the Agilent oscilloscope has been made. |
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