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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

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ÇѱÛÁ¦¸ñ(Korean Title) ¼ö½ÅµÈ ÀüÆĽÅÈ£ÀÇ ÀÚµ¿ º¯Á¶ ÀνÄÀ» À§ÇÑ µö·¯´× ¹æ¹ý·Ð
¿µ¹®Á¦¸ñ(English Title) A deep learning method for the automatic modulation recognition of received radio signals
ÀúÀÚ(Author) ±èÇÑÁø   ±èÇõÁø   Á¦ÁØÈ£   ±è°æ¼·   Hanjin Kim   Hyeockjin Kim   Junho Je   Kyungsup Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 23 NO. 10 PP. 1275 ~ 1281 (2019. 10)
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(Korean Abstract)
¹«¼± ½ÅÈ£ÀÇ ÀÚµ¿ º¯Á¶ ÀνÄÀº Áö´ÉÇü ¼ö½Å±âÀÇ ÁÖ¿äÇÑ ÀÛ¾÷À¸·Î ´Ù¾çÇÑ ¹Î°£ ¹× ±º´ë ÀÀ¿ëºÐ¾ß°¡ ÀÖ´Ù. º» ³í¹®¿¡ ¼­´Â µö ´º·² ³×Æ®¿öÅ© ¸ðµ¨À» ±â¹ÝÇÑ ¹«¼±Åë½Å¿¡¼­ ÀüÆĽÅÈ£ÀÇ º¯Á¶ ¹æ½ÄÀ» ½Äº°ÇÏ´Â ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù. ¼øÂ÷ÀûÀÎ µ¥ÀÌÅÍ¿¡ ´ëÇØ Àå±âÀûÀÎ ÆÐÅÏÀ» Àâ¾Æ³»´Âµ¥ ¿ëÀÌÇÑ LSTM ¸ðµ¨À» Åë°úÇÏ¿© ¾òÀº ¿¬¼ÓÀûÀÎ ½ÅÈ£ÀÇ Æ¯Â¡°ªÀ» µö ´º·² ³×Æ®¿öÅ©ÀÇ ÀÔ·Â µ¥ÀÌÅÍ·Î »ç¿ëÇÏ¿© ½ÅÈ£ÀÇ º¯Á¶ ÆÐÅÏÀ» ºÐ·ùÇÑ´Ù. º¯Á¶µÈ ½ÅÈ£ÀÇ ÁøÆø ¹× À§»ó, µ¿»ó(In-phase) ¹Ý¼Û ÆÄ, Á÷°¢ À§»ó(Quadrature-phase) ¹Ý¼ÛÆÄÀÇ °ªÀ» LSTM ¸ðµ¨ÀÇ ÀÔ·Â µ¥ÀÌÅÍ·Î »ç¿ëÇÏ¿© ºÐ·ùÇÑ´Ù. Á¦¾ÈµÈ ÇнÀ ¹æ¹ý ÀÇ ¼º´ÉÀ» °ËÁõÇϱâ À§ÇØ, ´Ù¾çÇÑ ½ÅÈ£ ´ë ÀâÀ½ºñ·Î 10 °¡Áö À¯ÇüÀÇ º¯Á¶ ½ÅÈ£¸¦ Æ÷ÇÔÇÏ´Â ´ëÇü µ¥ÀÌÅÍ ¼¼Æ®¸¦ »ç¿ëÇÏ ¿© ÇнÀÇÏ°í Å×½ºÆ®ÇÑ´Ù. º» ³í¹®ÀÇ º¯Á¶ ÀÎ½Ä ÇÁ·Î±×·¥Àº ½ÅÈ£ÀÇ »çÀü Á¤º¸°¡ ¾ø´Â ȯ°æ¿¡¼­ º¯Á¶¹æ½ÄÀ» ¿¹ÃøÇÏ´Â µ¥ Àû¿ëµÉ ¼ö ÀÖ´Ù.
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(English Abstract)
The automatic modulation recognition of a radio signal is a major task of an intelligent receiver, with various civilian and military applications. In this paper, we propose a method to recognize the modulation of radio signals in wireless communication based on the deep neural network. We classify the modulation pattern of radio signal by using the LSTM model, which can catch the long-term pattern for the sequential data as the input data of the deep neural network. The amplitude and phase of the modulated signal, the in-phase carrier, and the quadrature-phase carrier are used as input data in the LSTM model. In order to verify the performance of the proposed learning method, we use a large dataset for training and test, including the ten types of modulation signal under various signal-to-noise ratios.
Å°¿öµå(Keyword) ÀÚµ¿º¯Á¶ÀνÄ(AMC)   µö·¯´×   Àå´Ü±â±â¾ï(LSTM)   ½Å°æ¸Á   ¹«¼±Åë½Å   Automatic modulation classification(AMC)   Deep learning   Long-short term memory(LSTM)   Neural network   Wireless communication  
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