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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 :

ÇѱÛÁ¦¸ñ(Korean Title) ¼¿·ê·¯ ¸Á Åë½Åº¸¾ÈÀ» À§ÇÑ D2D Åë½Å ¼Û½ÅÀü·Â Á¦¾î ±â¹ý
¿µ¹®Á¦¸ñ(English Title) Device-to-Device Communication Power Control Technique for Ensuring Communication Security of Cellular System
ÀúÀÚ(Author) À̱â¼Û   È«ÁØÇ¥   Kisong Lee   Jun-Pyo Hong  
¿ø¹®¼ö·Ïó(Citation) VOL 21 NO. 06 PP. 1100 ~ 1105 (2017. 06)
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(Korean Abstract)
º» ³í¹®¿¡¼­´Â ¼¿·ê·¯ Åë½Å°ú D2D (device-to-device)Åë½ÅÀÌ °°Àº ÁÖÆļö¸¦ ÅëÇØ ÀÌ·ç¾îÁö´Â À̱âÁ¾ ³×Æ®¿öÅ©(heterogenous network)¿¡¼­ ¼¿·ê·¯ ¸ÁÀÇ º¸¾ÈÅë½ÅÀ» µ½±â À§ÇÑ D2D Åë½Å µð¹ÙÀ̽ºÀÇ Àü·ÂÁ¦¾î ±â¹ýÀ» Á¦¾ÈÇÏ°í ¼º´ÉÀ» »ìÆ캻´Ù. ±âÁ¸ÀÇ º¸¾ÈÅë½ÅÀÌ °í·ÁµÇÁö ¾ÊÀº À̱âÁ¾ ³×Æ®¿öÅ©¿¡¼­´Â D2DÅë½Å ½ÅÈ£°¡ °£¼·À¸·Î ÀÛ¿ëÇÏ¿© ¼¿·ê·¯ Åë½Å ¼º´É¿¡ ¾Ç¿µÇâÀ» ¹ÌÃÆÀ¸³ª µµÃ»ÀÚ¸¦ °í·ÁÇÑ º¸¾ÈÅë½Å¿¡¼­´Â D2DÅë½Å ½ÅÈ£°¡ µµÃ»ÀÚÀÇ ½ÅÈ£¼ö½ÅÀ» ¹æÇØÇÏ¿© º¸¾È Àü¼Û·ü ¼º´É Çâ»ó¿¡ µµ¿òÀÌ µÉ ¼ö ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ¼¿·ê·¯ ¸ÁÀÇ º¸¾ÈÅë½Å ¿ä±¸Ä¡¸¦ ¸¸Á·½ÃÅ°¸ç D2D Åë½Å Àü¼Û·üÀ» ±Ø´ëÈ­ ½Ãų ¼ö ÀÖ´Â »õ·Î¿î Àü·ÂÁ¦¾î ±â¹ýÀ» Á¦¾ÈÇÏ°í ÃÖÀûÈ­ ¹®Á¦¸¦ ÅëÇØ ÃÖÀû ¼Û½Å Àü·ÂÀÇ closed-form Ç¥ÇöÀ» µµÃâÇÏ¿´´Ù. ¶ÇÇÑ ½Ã¹Ä·¹À̼ÇÀ» ÅëÇØ Á¦¾È±â¹ýÀÇ ¼º´É Ư¼ºÀ» È®ÀÎÇÏ¿´´Ù.
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(English Abstract)
In this paper, we propose a power control technique for D2D communication in the heterogenous network consisting of cellular and D2D communication systems. Although the transmit signal of D2D communication degrades the performance of cellular system by interfering the signal reception at CU in the conventional heterogenous networks without eavesdroppers, it can be utilized as jamming signal for preventing other devices from recovering the transmitted information if there are eavesdroppers in the network. The proposed power control technique maximizes the achievable rate of D2D communication while ensuring the target security performance of cellular communication system. Through simulation results, we validate the analysis results and compare the performance with the conventional D2D communication scheme that utilizes its full transmit power for maximizing the achievable rate regardless of the performance of cellular system.
Å°¿öµå(Keyword) ´Ü¸»°£ Åë½Å   À̱âÁ¾ ³×Æ®¿öÅ©   º¸¾È Àü¼Û·ü   ¾Æ¿ôƼÁö È®·ü   »ç¹° ÀÎÅͳݠ  D2D communication   Heterogeneous network   Secrecy rate   Outage probability   Internet-of-Things  
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