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Ȩ Ȩ > ¿¬±¸¹®Çå > Çмú´ëȸ ÇÁ·Î½Ãµù > Çѱ¹Á¤º¸Åë½ÅÇÐȸ Çмú´ëȸ > 2019³â Ãá°èÇмú´ëȸ

2019³â Ãá°èÇмú´ëȸ

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ¹«¼±Àü·Â ¼¾¼­ ³×Æ®¿öÅ©¸¦ À§ÇÑ Slotted ALOHA ±â¹ÝÀÇ ·£´ý Á¢¼Ó ÇÁ·ÎÅäÄÝ
¿µ¹®Á¦¸ñ(English Title) Slotted ALOHA-based Random Access Protocol for Wireless-Powered Sensor Networks
ÀúÀÚ(Author) °íÀ¯ÇР  ±è³²È£   You-Hak Ko   Nam-Ho Kim   ÃÖÇöÈ£   Hyun-Ho Choi  
¿ø¹®¼ö·Ïó(Citation) VOL 23 NO. 01 PP. 0603 ~ 0606 (2019. 05)
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(Korean Abstract)
º» ³í¹®¿¡¼­´Â ¹«¼±Àü·Â ¼¾¼­ ³×Æ®¿öÅ©¿¡¼­ ´Ù¼öÀÇ ¼¾¼­ ³ëµå°¡ ÇϺ£½ºÆÃÇÑ ¿¡³ÊÁö¸¦ ÀÌ¿ëÇÏ¿© µ¥ÀÌÅ͸¦ ±âÁö±¹À¸·Î Àü¼ÛÇÏ°íÀÚ ÇÒ ¶§, slotted ALOHA ±â¹ÝÀÇ ·£´ý Á¢¼Ó ÇÁ·ÎÅäÄÝÀ» Á¦¾ÈÇÏ°í ä³Î ó¸®À²À» ÃÖ´ëÈ­ÇÏ´Â ÃÖÀûÀÇ ·£´ý ½½·ÔÀÇ °³¼ö¸¦ µµÃâÇÑ´Ù. ¼öÇÐÀû ºÐ¼®À» ÅëÇÏ¿© ó¸®À²ÀÌ ·£´ý ½½·Ô °³¼ö¿¡ µû¶ó concavity¸¦ °¡ÁüÀ» ¹àÈ÷°í ÃÖÀûÀÇ ½½·Ô °³¼ö¸¦ ±¸ÇÑ´Ù. ½Ã¹Ä·¹À̼ÇÀ» ÅëÇÏ¿© °í·ÁÇÏ´Â ¹«¼±Àü·Â ¼¾¼­ ³×Æ®¿öÅ©¿¡¼­ Á¦¾ÈÇÏ´Â slotted ALOHA ±â¹ÝÀÇ ·£´ý Á¢¼Ó ÇÁ·ÎÅäÄÝÀÌ ÃÖÀû ·£´ý ½½·Ô °³¼ö¸¦ »ç¿ëÇÒ ¶§ ó¸®À²ÀÌ ÃÖ´ëÈ­µÊÀ» È®ÀÎÇÏ¿´´Ù.
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(English Abstract)
In this paper, we propose a slotted-ALOHA-based random access protocol and derive the optimal number of random slots that maximize channel throughput when multiple energy harvesting sensor devices perform random access in wireless-powered sensor networks (WPSN). Throughput numerical analysis, we prove that the throughput has a concavity with respect to the number of random slots and obtain the optimal number of slots. Simulation results show that the throughput of the proposed slotted ALOHA-based random access protocol is maximize when the derived optimal number of slots is employed in the considered WPSN.
Å°¿öµå(Keyword) ±Ý¼Ó   °áÇÔ °Ë»ç   À§»ó °ËÃâ   Phase Detection   Wireless-powered sensor networks   Energy harvesting   Slotted ALOHA   Random access protocol   Optimization  
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