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Current Result Document : 2 / 2

ÇѱÛÁ¦¸ñ(Korean Title) ½Ãº¯ ä³Î¿¡¼­ Expectation-Maximization ¾Ë°í¸®ÁòÀ» ÀÌ¿ëÇÑ ½Ã°ø°£ ºí·Ï ºÎȣȭµÈ ½Ã½ºÅÛÀÇ Ã¤³Î ÃßÁ¤ ¹× º¹È£ ±â¹ý
¿µ¹®Á¦¸ñ(English Title) EM based Channel Estimation and Decoding for Space Time Block Coded System in Time-Varying Fading Channel
ÀúÀÚ(Author) Ȳ¿µÈÆ   ¹ÚÈ¿¿­   Ȳ±ÝÂù   Younghoon Whang   Hyo Yol Park   Keum Chan Whang  
¿ø¹®¼ö·Ïó(Citation) VOL 18 NO. 01 PP. PI ~ 0012 (2008. 04)
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(Korean Abstract)
Expectation-Maximization (EM) ¾Ë°í¸®ÁòÀ» ÀÌ¿ëÇÑ Ã¤³Î ÃßÁ¤±â¹ýÀ» ÅëÇØ ½Ã°£¿¡ µû¸¥ ä³Î º¯È­°¡ Àִ ȯ°æ¿¡¼­ ±âÁ¸ ÆÄÀÏ·µ ½Éº¼À» ÀÌ¿ëÇÑ least square (LS) ä³Î ÃßÁ¤ ±â¹ý¿¡ ºñÇØ º¸´Ù Á¤È®ÇÑ Ã¤³Î ÃßÁ¤À» ÇÒ ¼ö ÀÖ´Ù. º» ³í¹®¿¡¼­´Â À̸¦ È°¿ëÇÏ¿© ½Ãº¯ ä³Î¿¡¼­ÀÇ ½Ã°ø°£ ºí·Ï ºÎÈ£ (space time block code)ÀÇ ¼º´É ¿­È­¸¦ ÁÙÀ̴ ä³Î ÃßÁ¤ ¹× µ¥ÀÌÅÍ º¹È£ ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù. ±×¸®°í, ¸ðÀÇ ½ÇÇèÀ» ÅëÇØ Á¦¾ÈÇÑ ÃßÁ¤ ¹× º¹È£ ±â¹ýÀÌ ±âÁ¸ ¹æ¹ý¿¡ ºñÇØ ¼ö½Å´Ü¿¡¼­ ä³ÎÀÇ mean square error (MSE)¿Í µ¥ÀÌÅÍÀÇ bit error rate (BER) ¼º´ÉÀ» Çâ»ó½ÃÅ°´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
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(English Abstract)
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