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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) ¾ç¹æÇâ Áß°èä³Î¿¡¼­ Áß°è±â ´ÙÁß¾ÈÅ׳ª°¡ ¹°¸®°èÃþ³×Æ®¿öÅ© ÄÚµùÀÇ ¼º´É¿¡ ¹ÌÄ¡´Â ¿µÇâ
¿µ¹®Á¦¸ñ(English Title) Effect of Multiple Antennas at a Relay Node on the Performance of Physical-Layer Network Coding in Two-Way Relay Channel
ÀúÀÚ(Author) ¹ÚÁ¤È«   Á¤¹æö   ¹ÝÅ¿ø   Jeonghong Park   Bang Chul Jung   Tae-Won Ban  
¿ø¹®¼ö·Ïó(Citation) VOL 20 NO. 08 PP. 1438 ~ 1443 (2016. 08)
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(Korean Abstract)
º» ³í¹®¿¡¼­´Â ¾ç¹æÇâ Áß°è ä³Î¿¡¼­ Áß°è±â¿¡ ´ÙÁß¾ÈÅ׳ª°¡ Á¸ÀçÇÒ °æ¿ì ¹°¸®°èÃþ ³×Æ®¿öÅ© ÄÚµù ±â¹ýÀÇ ¼º´ÉºÐ¼®À» ¼öÇàÇÏ¿´´Ù. 2°³ÀÇ ¼Ò½º ³ëµå´Â ÇϳªÀÇ ¾ÈÅ׳ª¸¦ °¡Áø´Ù°í °¡Á¤ÇÏ°í Áß°è±â¿¡´Â ´ÙÁß¾ÈÅ׳ª°¡ ¼³Ä¡µÇ¾ú´Ù°í °¡Á¤ÇÑ´Ù. º» ³í¹®¿¡¼­´Â ¼Ò½º ³ëµå¿Í Áß°è³ëµå¿¡ °¢°¢ ÇϳªÀÇ ¾ÈÅ׳ª°¡ Á¸ÀçÇÏ´Â ±âÁ¸ ½Ã½ºÅÛÀ» Áß°è±â¿¡ ´ÙÁß¾ÈÅ׳ª°¡ Á¸ÀçÇϴ ȯ°æÀ¸·Î È®ÀåÇÑ´Ù. ƯÈ÷, Áß°è±â¿¡¼­ 2°³ÀÇ ¼Ò½º ³ëµåµé·ÎºÎÅÍ µµÂøÇÑ ÆÐŶÀ» º¹È£ÇÏ´Â °úÁ¤¿¡¼­ °¢ ÆÐĹÀ» º¹È£ÇÑ ÈÄ ³×Æ®¿öÅ© ºÎȣȭ¸¦ ¼öÇàÇÏ´Â °³º°º¹È£±â¼ú°ú ¼Ò½º ³ëµåµé·ÎºÎÅÍ µµÂøÇÑ 2°³ÀÇ ÆÐŶÀ» µ¿½Ã¿¡ °í·ÁÇÏ¿© Á÷Á¢º¹È£ÇÏ´Â ±â¼úÀ» ºñ±³ºÐ¼®ÇÑ´Ù. ´ÙÁß¾ÈÅ׳ª±â¹ÝÀÇ Áß°è±â¸¦ »ç¿ëÇÒ °æ¿ì ¹°¸®°èÃþ ³×Æ®¿öÅ© ÄÚµùÀÇ ºñÆ®¿À·ù¼º´ÉÀÌ Áß°è±âÀÇ ¾ÈÅ׳ªÀÇ °³¼ö°¡ Áõ°¡ÇÔ¿¡ µû¶ó Çâ»óµÇ´Â °ÍÀ» È®ÀÎÇÏ¿´´Ù.
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(English Abstract)
In this paper, we investigate the effect of multiple antennas at a relay node on the performance of physical-layer network coding (PNC) in the two-way relay channel (TWRC). We assume that two source nodes have a single antenna and the relay node has multiple antennas. We extend the conventional TWRC environment with a signle antenna at both relay and source nodes to the case of multiple antennas at the relay node. In particular, we consider two decoding strategies: separate decoding (SD) and direct decoding (DD). The SD decodes each packet from the two sources and performs the network coding with bit-wise exclusive OR (XOR) operation, while the DD decodes the network-coded packet from the two sources. Note that both decoding strategies are based on log-likelihood ratio (LLR) computation. It is shown that the bit error rate (BER) performance becomes significantly improved as the number of antennas at the relay node.
Å°¿öµå(Keyword) ¾ç¹æÇâ Áß°è ä³Î   ¹°¸®°èÃþ ³×Æ®¿öÅ© ÄÚµù   ä³Î ÄÚµù   ´ÙÁßÀÔÃâ·Â ¾ÈÅ׳ª   Two-way relaying channel   physical-layer network coding   channel coding   MIMO  
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