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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹ÀÎÅͳÝÁ¤º¸ÇÐȸ ³í¹®Áö

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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) »ç¹°ÀÎÅͳÝÀ» À§ÇÑ ½Å°æ¸Á ±â¹ÝÀÇ Áö´ÉÇü ¾×¼¼½º Æ÷ÀÎÆ® ½Ã½ºÅÛÀÇ ±¸Çö
¿µ¹®Á¦¸ñ(English Title) An Implementation of an Intelligent Access Point System Based on a Feed Forward Neural Network for Internet of Things
ÀúÀÚ(Author) ÀÌ¿µÂù   À̼ҿ¬   ±è´ë¿µ   Youngchan Lee   SoYeon Lee   Dae-Young Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 20 NO. 05 PP. 0095 ~ 0104 (2019. 10)
Çѱ۳»¿ë
(Korean Abstract)
»ç¹°ÀÎÅÍ³Ý ¼­ºñ½º¸¦ À§ÇØ ´Ù¾çÇÑ Á¾·ùÀÇ µð¹ÙÀ̽º°¡ »ç¿ëµÇ°í ÀÖÀ¸¸ç, »ç¹°ÀÎÅÍ³Ý µð¹ÙÀ̽ºµéÀº ÁÖ·Î ºñ¸éÇ㠴뿪ÀÇ ÁÖÆļö¸¦ »ç¿ëÇÏ´Â Åë½Å±â¼úÀ» È°¿ëÇÏ°í ÀÖ´Ù. ºñ¸éÇ㠴뿪ÀÇ Åë½Å±â¼ú¿¡´Â ¸î °¡Áö°¡ ÀÖÁö¸¸, ÇöÀç WiFi°¡ °¡Àå ´ëÇ¥ÀûÀ¸·Î »ç¿ëµÈ´Ù. »ç¹°ÀÎÅÍ³Ý ¼­ºñ½º¸¦ À§ÇØ »ç¿ëµÇ´Â µð¹ÙÀ̽º´Â Á¦ÇÑµÈ ±â´ÉÀ» °¡Áø µð¹ÙÀ̽ººÎÅÍ ½º¸¶Æ®Æù±îÁö ÄÄÇ»Æà ¸®¼Ò½º°¡ ´Ù¾çÇÏ°í, WiFi ¿Í °°Àº ¹«¼± ³×Æ®¿öÅ©¸¦ ÅëÇØ ¼­ºñ½º¸¦ Á¦°øÇÑ´Ù. ´ëºÎºÐÀÇ »ç¹°ÀÎÅÍ³Ý ÀåÄ¡´Â ³×Æ®¿öÅ© Á¦¾î¸¦ À§ÇÑ º¹ÀâÇÑ ¿¬»êÀ» ÇÒ ¼ö ¾ø±â ¶§¹®¿¡ ½ÅÈ£¼¼±â¿¡ ÀÇÁ¸ÇÏ¿© WiFi ¾×¼¼½º Æ÷ÀÎÆ®¸¦ ¼±Á¤ÇÏ°í ÀÖ´Ù. ÀÌ´Â »ç¹°ÀÎÅÍ³Ý ¼­ºñ½º È¿À²À» ¶³¾î¶ß¸®´Â ¿øÀÎÀ¸·Î ÀÛ¿ëÇÑ´Ù. µû¶ó¼­, º» ³í¹®¿¡¼­´Â ¾×¼¼½º Æ÷ÀÎÆ®¸¦ ÅëÇØ »ç¹°ÀÌÅÍ³Ý µð¹ÙÀ̽ºÀÇ WiFi ¿¬°áÀ» Á¦¾îÇÒ ¼ö ÀÖ´Â Áö´ÉÇü ¾×¼¼½º Æ÷ÀÎÆ® ½Ã½ºÅÛÀ» ±¸ÇöÇÑ´Ù. »ç¹°ÀÎÅÍ³Ý µð¹ÙÀ̽º¿¡¼­ ÃøÁ¤µÈ ³×Æ®¿öÅ© Á¤º¸¸¦ ÅëÇØ ¾×¼¼½º Æ÷ÀÎÆ®¿¡¼­ Çǵå Æ÷¿öµå ½Å°æ¸Á (feed forward neural network) ¾Ë°í¸®ÁòÀ» »ç¿ëÇÏ¿© ÇнÀÀ» ÇÏ°í, ³×Æ®¿öÅ© ¿¬°á »óŸ¦ ¿¹ÃøÇÏ¿© µð¹ÙÀ̽ºÀÇ WiFi¿¬°áÀ» Á¦¾îÇÑ´Ù. ÀÌ·¸°Ô ÇÔÀ¸·Î½á »ç¹°ÀÎÅÍ³Ý µð¹ÙÀ̽ºÀÇ ¼­ºñ½º È¿À²À» ³ôÀÏ ¼ö ÀÖ´Ù.
¿µ¹®³»¿ë
(English Abstract)
Various kinds of devices are used for the Internet of Things (IoT) service, and IoT devices mainly use communication technology that uses the frequency of the unlicensed band. There are several types of communication technology in the unlicensed band, but WiFi is most commonly used. Devices used for IoT services vary in computing resources from devices with limited capabilities to smartphones and provide services over wireless networks such as WiFi. Most IoT devices can't perform complex operations for network control, thus they choose a WiFi access point (AP) based on signal strength. This causes a decrease in IoT service efficiency. In this paper, an intelligent AP system that can efficiently control the WiFi connection of the IoT devices is implemented. Based on the network information measured by the IoT device, the access point learns using a feed forward neural network algorithm, and predicts a network connection state to control the WiFi connection. By controlling the WiFi connection at the AP, the service efficiency of the IoT device can be improved.
Å°¿öµå(Keyword) »ç¹°ÀÎÅͳݠ  WiFi   Çǵå Æ÷¿öµå ½Å°æ¸Á   ¾×¼¼½º Æ÷ÀÎÆ®   ³×Æ®¿öÅ© Á¦¾î   Internet of Things   WiFi   Feed Forward Neural Network   Access Point   Network Control  
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