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ÇѱÛÁ¦¸ñ(Korean Title) |
VANET ¸Á¿¡¼ Áö¿ªÀû ij½ÌÀ» ÀÌ¿ëÇÏ´Â ½Ã°ø°£ Áö¿Àij½ºÆà ÇÁ·ÎÅäÄÝ |
¿µ¹®Á¦¸ñ(English Title) |
A Spatio-Temporal Geocasting Protocol Using Regional Caching in Vehicular Ad-Hoc Networks |
ÀúÀÚ(Author) |
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Hyunkyu Lee
Yongje Shin
Hyunsuk Choi
Euisin Lee
Soochang Park
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¿ø¹®¼ö·Ïó(Citation) |
VOL 07 NO. 06 PP. 0137 ~ 0144 (2018. 06) |
Çѱ۳»¿ë (Korean Abstract) |
Â÷·® ¾ÖµåȤ ³×Æ®¿öÅ©(VANETs)Àº »ç°í ÅëÁö, ÄÜÅÙÃ÷ »ç¿ë µî°ú °°Àº ´Ù¾çÇÑ ÀÀ¿ëÇÁ·Î±×·¥À» Á¦°øÇÒ ¼ö ÀÖ´Ù. ÀÌ·¯ÇÑ ÀÀ¿ë ÇÁ·Î±×·¥Àº ¼Ó¼º¿¡ µû¶ó °ü½É¿µ¿ª°ú ¼ö¸íÀ» °®´Â ½Ã°ø°£ µ¥ÀÌÅ͸¦ °¡Áö°í ÀÖ´Ù. ±×·¯³ª, °ü½É ¿µ¿ª¿¡ µ¥ÀÌÅ͸¦ Àü´ÞÇÏ´Â Áö¿Àij½ºÆà ÇÁ·ÎÅäÄÝÀº ÇöÀç ½Ã°£¿¡¸¸ ´ÜÀÏ Àü¼ÛÀ» ÅëÇØ ¿µ¿ªÀÇ ¸ðµç Â÷·®¿¡ µ¥ÀÌÅ͸¦ Á¦°øÇÒ ¼ö ÀÖÁö¸¸, µ¥ÀÌÅÍÀÇ ¼ö¸í½Ã°£ µ¿¾È ÇØ´ç ¿µ¿ªÀ» À̵¿ÇÏ´Â Â÷·®¿¡´Â µ¥ÀÌÅ͸¦ Á¦°øÇÒ ¼ö ¾ø´Ù. µû¶ó¼ ¿ì¸®´Â VANET¿¡¼ µ¥ÀÌÅÍÀÇ ¼ö¸í½Ã°£µ¿¾È °ü½É ¿µ¿ªÀÇ Â÷·®¿¡ µ¥ÀÌÅ͸¦ Àü¼ÛÇϱâ À§ÇØ Áö¿ªÀû ij½Ì ±â¹ýÀ» »ç¿ëÇÏ´Â ½Ã°ø°£ Áö¿Àij½ºÆà ÇÁ·ÎÅäÄÝÀ» Á¦¾ÈÇÑ´Ù. È¿À²ÀûÀÌ°í ½Å·Ú¼º ÀÖ´Â Áö¿ªÀû ij½ÌÀ» À§Çؼ, Á¦¾ÈµÈ ÇÁ·ÎÅäÄÝÀº ºñÄÜ ±â¹Ý µ¥ÀÌÅÍ °øÀ¯, ÀÜ¿© ij½ÌÁ¦°Å ¹× °Å¸® ±â¹Ý ij½Ì ±³È¯À» »ç¿ëÇÑ´Ù. ½Ã¹Ä·¹ÀÌ¼Ç °á°ú´Â Á¦¾ÈµÈ ÇÁ·ÎÅäÄÝÀÌ ±âÁ¸ ÇÁ·ÎÅäÄÝ°ú ºñ±³ÇÏ¿© º¸´Ù ¾ÈÁ¤ÀûÀÌ°í È¿À²ÀûÀÎ µ¥ÀÌÅÍÀü´ÞÀ» ´Þ¼ºÇÏ´ÂÁö¸¦ °ËÁõÇÑ´Ù.
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¿µ¹®³»¿ë (English Abstract) |
Vehicular Ad-hoc Networks (VANETS) have enabled to provide a variety of applications such as accident notification, content usage, etc. These applications have spatio-temporal data which have an interesting region and a lifetime according to their properties. However, geocasting protocols to deliver data to an interesting region can provide data to all vehicles in the region through a single transmission only at the current time, but cannot provide data to vehicles passing through the region during the lifetime of the data. Thus, we propose a spatio-temporal geocasting protocol called STGP using a regional caching scheme to send data to vehicles in an interesting region during a data lifetime in VANETs. For efficient and reliable regional caching, the proposed protocol uses the beacon-based data sharing, the extra caching elimination, and the distance-based caching exchange. Simulation results verify that the proposed protocol achieves more reliable and efficient data delivery compared with the existing protocol.
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Å°¿öµå(Keyword) |
Â÷·®¿ë ¾ÖµåȤ ³×Æ®¿öÅ©
½Ã°ø°£ Á¤º¸
Áö¿ªÀû ij½Ì
VEhicular Ad-Hoc Networks
Spatio-Temporal Data
Regional Caching
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