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Á¦°³Á¤ÀÏ 2019-12-11 ÃÑÆäÀÌÁö 29
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¿µ¹®Ç¥Áظí Specification of Differentiated Wireless Channel Access in Low Power Wide Area Network
Çѱ۳»¿ë¿ä¾à ´Ù¾çÇÑ Æ¯¼ºÀÇ ÀÀ¿ë ¼­ºñ½ºµéÀ» Áö¿øÇØ¾ß ÇÏ´Â ³×Æ®¿öÅ© ȯ°æ¿¡¼­ »ç¿ëÀÚÀÇ ¼­ºñ½º ¸¸Á·µµ¸¦ ±Ø´ëÈ­Çϱâ À§Çؼ­´Â °¢ ¼­ºñ½º Ŭ·¡½ºº° Ư¼º¿¡ µû¶ó »ó´ëÀûÀ¸·Î Â÷º°È­µÈ ä³Î ¾×¼¼½º ±âȸ Á¦°ø°ú ÁÖ±âÀû ä³Î ¾×¼¼½º ±âȸ Á¦°øÀÌ °¡´ÉÇÑ ¹«¼± ä³Î °ü¸® ±â¼úÀÌ ÇÊ¿äÇÏ´Ù.
º» Ç¥ÁØÀº ¼­ºñ½º Ŭ·¡½ºº° Ư¼ºÀ» °í·ÁÇÏ¿© ¿ì¼±¼øÀ§ ±â¹ÝÀÇ °æÀïÇü ä³Î ¾×¼¼½º ¹× ¿¹¾à ±â¹ÝÀÇ ºñ°æÀïÇü ä³Î ¾×¼¼½º Áö¿øÀÌ °¡´ÉÇÑ ÀúÀü·Â ±¤¿ª ³×Æ®¿öÅ©ÀÇ MAC °èÃþ ±Ô°ÝÀ» Á¤ÀÇÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à In order to maximize user satisfaction in network where application services with various QoS requirements are supported, an wireless channel management technology capable of providing relatively differentiated access opportunities and periodic channel access opportunities according to the characteristics of each service class is needed.
The standard defines MAC layer specification that can support priority-based competitive channel access and reservation-based non-competitive channel access according to the characteristics of service classes in LPWAN.
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