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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö > Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö ÄÄÇ»ÅÍ ¹× Åë½Å½Ã½ºÅÛ

Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö ÄÄÇ»ÅÍ ¹× Åë½Å½Ã½ºÅÛ

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ÁßøµÈ 4G¸ÁÀ» ÀÌ¿ëÇÑ ÇÃ·Î¿ì ±â¹ÝÀÇ ²÷±è ¾ø´Â WLAN ÇÚµå¿À¹ö ¹æ¾È
¿µ¹®Á¦¸ñ(English Title) Flow-based Seamless Handover Scheme for WLANs Using an Overlaid 4G Network
ÀúÀÚ(Author) ÃÖÀçÀΠ  ¹ÚÀμö   Á¶À¯Á¦   Jae-In Choi   In-Soo Park   You-Ze Cho  
¿ø¹®¼ö·Ïó(Citation) VOL 03 NO. 01 PP. 0007 ~ 0014 (2014. 01)
Çѱ۳»¿ë
(Korean Abstract)
½º¸¶Æ® Æù, ½º¸¶Æ® ÆÐµå µî ´Ù¾çÇÑ ¸ð¹ÙÀÏ ±â±âÀÇ µîÀåÀ¸·Î ¾ðÁ¦, ¾îµð¼­³ª À̵¿ Áß¿¡µµ ²÷±è ¾ø´Â ¸ÖƼ¹Ìµð¾î ¼­ºñ½ºÀÇ Çʿ伺ÀÌ Áõ´ëÇÏ°í ÀÖ´Ù. ÇöÀç 4G ¸ð¹ÙÀÏ ±â±âµéÀº 4G (LTE)¿Í WLAN (WiFi) ÀÎÅÍÆäÀ̽º¸¦ µ¿½Ã¿¡ °¡Áö°í ÀÖÀ¸¸ç, À̵¿ Åë½Å»ç¾÷ÀÚµéÀº Ä¿¹ö¸®Áö°¡ ³ÐÀº 4G¸Á »Ó¸¸ ¾Æ´Ï¶ó WiFi zoneÀ» ÅëÇÏ¿© ¹«¼± ÀÎÅÍ³Ý ¼­ºñ½º¸¦ Áö¿øÇÏ°í ÀÖ´Ù. ÀϹÝÀûÀ¸·Î »ç¿ëÀÚµéÀº WLAN Ä¿¹ö¸®Áö ³»¿¡¼­´Â LTE¸¦ ÅëÇÑ ¼­ºñ½ºº¸´Ùµµ µ¥ÀÌÅÍ »ç¿ë·®¿¡ Á¦ÇÑÀÌ ¾ø´Â WLANÀ» ÅëÇÑ ¼­ºñ½º¸¦ ¼±È£ÇÏ°í ÀÖ´Ù. ±×·¯³ª WLANÀº L2 ÇÚµå¿À¹ö Áö¿¬ÀÌ ¸Å¿ì Å©±â ¶§¹®¿¡ ÇÚµå¿À¹ö¸¦ ¼öÇàÇÏ´Â µ¿¾È¿¡ ²÷±è¾ø´Â ¼­ºñ½º°¡ ¾î·Á¿î ¹®Á¦°¡ ÀÖ´Ù. º» ³í¹®¿¡¼­´Â flow mobility¸¦ ±â¹ÝÀ¸·Î WLAN °£¿¡ ÇÚµå¿À¹ö¸¦ ¼öÇàÇÏ´Â µ¿¾È ¼­ºñ½º ¹Ý°æÀÌ ³ÐÀº 4G¸ÁÀ» È°¿ëÇÏ¿© ²÷±è ¾ø´Â ¼­ºñ½º¸¦ Áö¿øÇÒ ¼ö ÀÖ´Â ¹æ¾ÈÀ» Á¦¾ÈÇÏ¿´À¸¸ç, Å×½ºÆ®º£µå ±¸ÇöÀ» ÅëÇÏ¿© Á¦¾È ¹æ¾ÈÀÇ ¿ì¼ö¼ºÀ» °ËÁõÇÏ¿´´Ù.
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(English Abstract)
The rapid increase of mobile devices such as smart phone and smart pad have raised the needs for seamless multimedia services during moving at anytime and anywhere. Current 4G mobile devices are equipped with both 4G (LTE) and WLAN (WiFi) interfaces, and mobile services operators provide wireless Internet services using 4G network with a wider coverage and WiFi zone. Generally users prefer to use the Internet services through WLAN rather than LTE in the coverage of WLAN. However, since WLAN has a long L2 handover latency, it is difficult to support seamless services during a handover. In this paper, we proposed an efficient handover scheme based on flow mobility for WLANs to support a seamless service during handovers by using the overlaid 4G network with a wider coverage. Also, we showed the outperformance of the proposed scheme on a testbed.
Å°¿öµå(Keyword) ¹«¼±·£   4G   PMIPv6   Ç÷οì À̵¿¼º   ²÷±è ¾ø´Â ÇÚµå¿À¹ö   Wireless LAN   4G   Proxy Mobile IPv6   Flow Mobility   Seamless Handover  
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