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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 :
1
/ 4
´ÙÀ½°Ç
ÇѱÛÁ¦¸ñ(Korean Title)
ÀϹÝÈ °ø°£ º¯Á¶ ½Ã½ºÅÛ¿¡¼ ¼Û½Å/¼ö½Å ¼ø¼È¸¦ Àû¿ëÇÑ È¿À²Àû ±¸º¹È£ ¼ö½Å±â
¿µ¹®Á¦¸ñ(English Title)
Tx/Rx-ordering-aided efficient sphere decoding for generalized spatial modulation systems
ÀúÀÚ(Author)
ÀÌÇü¿µ
¹Ú¿µ¿õ
±èÁ¾¹Î
¹®Çö¿ì
ÀÌ°æõ
Hyeong-yeong Lee
Young-woong Park
Jong-min Kim
Hyun-woo Moon
Kyungchun Lee
¿ø¹®¼ö·Ïó(Citation)
VOL 21 NO. 03 PP. 0523 ~ 0529 (2017. 03)
Çѱ۳»¿ë
(Korean Abstract)
º» ³í¹®Àº ¼Û½Å¿¡ ÀÌ¿ëµÇ´Â È°¼º ¼Û½Å ¾ÈÅ׳ª¿Í ¼Û½Å ½Éº¼À» ÀÌ¿ëÇØ Á¤º¸¸¦ Àü¼ÛÇÏ´Â ÀϹÝÈ °ø°£ º¯Á¶ ½Ã½ºÅÛ¿¡¼ ¼Û½Å/¼ö½Å ¼ø¼È¸¦ °áÇÕÇÏ¿© ±âÁ¸ÀÇ ±¸º¹È£ ¼ö½Å±âº¸´Ù ³·Àº °è»ê º¹Àâµµ¸¦ °®´Â ¼ö½Å ¹æ½ÄÀ» Á¦¾ÈÇÑ´Ù. Á¦¾È ¼ö½Å±â´Â ¼ö½Å ¼ø¼È¸¦ ÅëÇØ ¼ö½Å ½ÅÈ£ ¿¬»êÀ» ÃÖÀûÀÇ ¼ø¼·Î ¼öÇàÇÏ¿© ±¸ ¹ÛÀÇ Èĺ¸ÇØ¿¡ ´ëÇÑ ¿¬»êÀ» Á¶±â¿¡ Á¾·áÇÔÀ¸·Î½á °è»ê·®À» ÁÙÀδÙ. ¶ÇÇÑ, ¼Û½Å ¼ø¼È ¹æ½ÄÀ» Àû¿ëÇÏ¿© ½Éº¼°ú È°¼º ¼Û½Å ¾ÈÅ׳ª Ž»ö¿¡¼ ÇØÀÏ È®·üÀÌ ³ôÀº Èĺ¸ ÇغÎÅÍ Å½»öÀ» ¼öÇàÇÏ¿© °è»ê·®À» ³·Ãßµµ·Ï ÇÑ´Ù. ¸ðÀǽÇÇèÀ» ÅëÇØ ¼Û½Å/¼ö½Å ¼ø¼È¸¦ Àû¿ëÇÑ Á¦¾È ±¸º¹È£ ¼ö½Å±â°¡ ±âÁ¸ ±¸º¹È£ ±â¹ý, ¼ö½Å ¼ø¼È¸¸ Àû¿ëÇÑ ±¸º¹È£ ±â¹ý°ú ºñ±³ÇÏ¿© µ¿ÀÏÇÑ ºñÆ®¿À·ùÀ² ¼º´ÉÀ» À¯ÁöÇÏ¸é¼ ´õ ³·Àº °è»ê º¹Àâµµ¸¦ °¡ÁüÀ» È®ÀÎÇÏ¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
In this paper, we propose an efficient sphere decoding scheme that reduces computational complexity by combining receive and transmit ordering techniques in generalized spatial modulation systems, where the indexes of activated transmit antennas as well as the transmit symbols are exploited to transfer information to the receiver. In this scheme, the receive signals are optimally ordered so that the calculation for a candidate solution outside the sphere is terminated early to lower the computational complexity. In addition, the transmit ordering technique is applied to first search for candidate symbols and activated antennas having higher probabilities to further reduce the computational complexity. Simulation results show that the proposed doubly ordered sphere decoding scheme provides the same bit error rate performance with the conventional sphere decoding method and the sphere decoder employing only the receive ordering technique while it requires lower computational complexity.
Å°¿öµå(Keyword)
´ÙÁß ÀÔÃâ·Â ½Ã½ºÅÛ
°ø°£ º¯Á¶
ÀϹÝÈ °ø°£ º¯Á¶
±¸º¹È£
¼ø¼È
Multiple Input Multiple Output
Spatial Modulation
Generalized Spatial Modulation
Sphere Decoding
Sphere Decoding
Ordering
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