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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)
Current Result Document :
4
/ 6
´ÙÀ½°Ç
ÇѱÛÁ¦¸ñ(Korean Title)
2Áø Á¤ÇÕÇÊÅ͸¦ ÀÌ¿ëÇÑ ¿þÀ̺긴 ÆíÀ̺¯Á¶ ½Ã½ºÅÛ
¿µ¹®Á¦¸ñ(English Title)
Wavelet Shift Keying System Using a Binary Matching Filter
ÀúÀÚ(Author)
¿ÀÇüÁø
Á¤ÅÂÀÏ
ÀÌÅ¿À
Hyoung-Jin Oh
Tae-Il Jeong
Tae-Oh Lee
¿ø¹®¼ö·Ïó(Citation)
VOL 12 NO. 11 PP. 1933 ~ 1938 (2008. 11)
Çѱ۳»¿ë
(Korean Abstract)
±âÁ¸ÀÇ ´ëÇ¥ÀûÀÎ µðÁöÅÐ Åë½Å¹æ½ÄÀ¸·Î ÁÖÆļö ÆíÀÌ º¯Á¶(FSK: Frequency Shift Keying), À§»ó ÆíÀÌ º¯Á¶(PSK: Phase Shift Keying), ÁøÆø ÆíÀÌ º¯Á¶(ASK: Amplitude Shift Keying) ¹æ½ÄµéÀÌ ÀÖ´Ù. º» ³í¹®¿¡¼´Â µðÁöÅÐ Åë½Å¿¡¼ 2Áø Á¤ÇÕÇÊÅ͸¦ ÀÌ¿ëÇÏ¿© ¿þÀ̺긴 ÆíÀ̺¯Á¶ ½ÅÈ£¸¦ º¹¿øÇÏ´Â ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù. ¿þÀ̺긴 ÆíÀÌ º¯Á¶ ½Ã½ºÅÛÀº ½ºÄÉÀϸµ ÇÔ¼ö(scaling function)¿Í ¿þÀ̺긴(wavelet)À» ÀÌ¿ëÇÑ´Ù. ½ºÄÉÀϸµ ÇÔ¼ö¸¦ 1·Î, ¿þÀ̺긴 ÇÔ¼ö¸¦ 0À¸·Î ÇÒ´çÇÏ¿© 2Áø µ¥ÀÌÅ͸¦ º¯Á¶ÇÑ´Ù. ±âÁ¸ÀÇ ¿þÀ̺긴 ÆíÀÌ º¯Á¶ ½Ã½ºÅÛ¿¡¼´Â º¹¿øÀ» À§ÇØ ÈÄ󸮰¡ ÇÊ¿äÇÏ¿´´Ù. º» ³í¹®¿¡¼´Â ¿þÀ̺긴 ÆíÀÌ º¯Á¶ ¼ö½Å±â¿¡¼ 2Áø Á¤ÇÕÇÊÅ͸¦ ÀÌ¿ëÇÏ¿© ¿þÀ̺긴 ÆíÀÌ º¯Á¶ ½ÅÈ£¸¦ º¹¿øÇÑ´Ù. ±×·¡¼ º°µµÀÇ ÈÄó¸® °úÁ¤ ¾øÀÌ º¹¿øÀÌ °¡´É ÇÏ¿´´Ù. ¸ðÀǽÇÇè °á°ú Á¦¾ÈÇÑ ¾Ë°í¸®ÁòÀÌ Å¸´çÇÔÀ» È®ÀÎÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
There are the frequency shift keying(FSK), phase shift keying(PSK) and amplitude shift keying(ASK) in the conventional digital communications method. In this paper, We proposed the algorithm for wavelet shift keying system using a binary matching filter in the digital communication. Wavelet shift keying system are used to a scaling function(low frequency) and wavelet(high frequency) coefficients. The binary data is encoded by modulator which assigned the scaling function to 1(one), and wavelet to zero(0). Wavelet shift keying of the conventional method needs to a post-processing for the decoding. In this paper, wavelet shift keying signal is reconstructed by the decoder using a binary matching filter. So, it was able to the decoding without the post-processing. It was demonstrated by the experiment that the proposed algorithm is a validity.
Å°¿öµå(Keyword)
Frequency Shift Key
Scaling Function
Wavelet
Wavelet Shift Key
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