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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)

Current Result Document : 20 / 21

ÇѱÛÁ¦¸ñ(Korean Title) ä³Î ÃßÁ¤ ¿ÀÂ÷°¡ Á¸ÀçÇÏ´Â ¿¡³ÊÁö ÇϺ£½ºÆà ³×Æ®¿öÅ©¿¡¼­ ¿¡³ÊÁö È¿À²¼ºÀ» ÃÖ´ëÈ­ ÇÏ´Â ÀÚ¿øÇÒ´ç ¹æ¾È
¿µ¹®Á¦¸ñ(English Title) Resource Allocation for Maximizing Energy Efficiency in Energy Harvesting Networks with Channel Estimation Error
ÀúÀÚ(Author) À̱â¼Û   È«ÁØÇ¥   Kisong Lee   Jun-Pyo Hong  
¿ø¹®¼ö·Ïó(Citation) VOL 20 NO. 03 PP. 0506 ~ 0512 (2016. 03)
Çѱ۳»¿ë
(Korean Abstract)
ÃÖ±Ù ¿¡³ÊÁö ÇϺ£½ºÆà ±â¼úÀº ¹èÅ͸® ¿ë·® ºÎÁ· ¹®Á¦¸¦ ÇØ°áÇÏ¿© ³×Æ®¿öÅ© ¼ö¸íÀ» Çâ»ó½Ãų ¼ö ÀÖ´Â ¹æ¾ÈÀ¸·Î °ü½ÉÀ» ¹Þ°í ÀÖ´Ù. ÇÏÁö¸¸ ±âÁ¸ ¿¬±¸ÀÇ °æ¿ì Á¤È®ÇÑ Ã¤³ÎÁ¤º¸¸¦ ¹ÙÅÁÀ¸·Î ÇÑ ÀÌ»óÀûÀΠȯ°æ¿¡¼­ÀÇ ÇϺ£½ºÆà ±â¼ú¸¸À» °í·ÁÇÏ¿´´Ù. º» ³í¹®¿¡¼­´Â ä³Î ÃßÁ¤ ÀýÂ÷¿Í ÀÌ¿¡ µû¸¥ ä³Î ÃßÁ¤ ¿ÀÂ÷¸¦ ¹Ý¿µÇÑ Çö½ÇÀû ¿¡³ÊÁö ÇϺ£½ºÆà ³×Æ®¿öÅ© ȯ°æ¿¡¼­ ¿¡³ÊÁö È¿À²¼ºÀ» Çâ»ó½ÃÅ°±â À§ÇÑ ÀÚ¿ø ÇÒ´ç ±â¹ýÀ» Á¦¾ÈÇÑ´Ù. Á¦¾È ±â¹ý¿¡¼­´Â ÃÖÀûÈ­ ±â¹ýÀ» ÀÌ¿ëÇÏ¿© ½Ã½ºÅÛ µ¥ÀÌÅÍ Àü¼Û·ü, ¿¡³ÊÁö ȹµæ·®, ºÒ¿ÏÀüÇÑ Ã¤³Î ÃßÁ¤ Ư¼º µîÀ» µ¿½Ã¿¡ °í·ÁÇÑ ½ºÄÉÁÙ¸µ ¹× ÆÄ¿ö ÇÒ´ç Çظ¦ ã´Â´Ù. Á¦¾È ±â¹ýÀº ¿¡³ÊÁö È¿À²¼º °üÁ¡¿¡¼­ ±âÁ¸ÀÇ ÇϺ£½ºÆà ±â¹ýº¸´Ù Çâ»óµÈ ¼º´ÉÀ» º¸À̸ç, ä³Î ÃßÁ¤ ¿ÀÂ÷°¡ ¹Ý¿µµÇ¾úÀ» ¶§ÀÇ ¿¡³ÊÁö È¿À²Àû ÀÚ¿øÇÒ´ç ¹æ¹ý¿¡ ´ëÇÑ »õ·Î¿î Á¤º¸¸¦ Á¦°øÇÑ´Ù.
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(English Abstract)
Recently, energy harvesting technology is considered as a tool to improve the lifetime of sensor networks by mitigating the battery capacity limitation problem. However, the previous work on energy harvesting has failed to provide practical information since it has assumed an ideal channel knowledge model with perfect channel state information at transmitter (CSIT). This paper proposes an energy efficient resource allocation scheme that takes account of the channel estimation process and the corresponding estimation error. Based on the optimization tools, we provide information on efficient scheduling and power allocation as the functions of channel estimation accuracy, harvested energy, and data rate. The simulation results confirm that the proposed scheme outperforms the conventional energy harvesting networks without considering channel estimation error in terms of energy efficiency. Furthermore, with taking account of channel estimation error, the results provides a new way for allocating resources and scheduling devices.
Å°¿öµå(Keyword) ¿¡³ÊÁö ÇϺ£½ºÆà  ¿¡³ÊÁö È¿À²¼º   ÀÚ¿ø ÇÒ´ç   ä³Î ÃßÁ¤   Energy Efficiency   Energy Harvesting   Channel Estimation   Resource Allocation  
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