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ÇѱÛÇ¥Áظí TV È­ÀÌÆ® ½ºÆäÀ̽º ´ë¿ª(TVWS)¿¡¼­ÀÇ ¹«¼±·£ MAC/PHY±Ô°Ý(IEEE Std 802.11af-2013)
¿µ¹®Ç¥Áظí Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment 5: Television White Spaces (TVWS) Operation (IEEE Std 802.11af-2013)
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº TV È­ÀÌÆ® ½ºÆäÀ̽º ´ë¿ª¿¡¼­ ºñ¸éÇ㠴뿪 ±â±â¿Í ¸éÇã ±â±âµé°£ÀÇ ÁÖÆļö °øÀ¯ ±â¹ýÀ» Á¤ÀÇÇÑ´Ù. ÁÖÆļö °øÀ¯´Â GDB¶ó ºÒ¸®´Â µ¥ÀÌÅͺ£À̽º¿¡ ºñ¸éÇ㠴뿪 ±â±âµéÀÌ Á¢¼ÓÇÏ¿© Á¦¾î¸¦ ¹ÞÀ½À¸·Î½á °¡´ÉÇѵ¥, »ó¼¼ ±¸ÇöÀº °¢ ±¹°¡º°·Î ´Ù¸¦ ¼ö ÀÖ´Ù. IEEE 802.11af Ç¥ÁØÀº ´Ù¾çÇÑ ±¹°¡º° ±ÔÁ¦µéÀ» ÁØ¿ëÇÏ´Â ºñ¸éÇ㠴뿪 ±â±âÀÇ °øÅëÀûÀÎ ¿î¿µ ±¸Á¶¿Í ±â¹ýÀ» Á¦°øÇϸç, ´Ù¾çÇÑ ±â±âµéÀÌ ÁÖÆļö¸¦ °øÀ¯ÇÒ¼ö ÀÖ´Â »õ·Î¿î ¹æ¹ýÀ» Á¦½ÃÇÑ´Ù. IEEE 802.11af Ç¥ÁØ ³»¿ë Áß ±¹³» ±ÔÁ¤°ú »óÀÌÇÑ ºÎºÐÀº ¼­¹® 5Àý¿¡¼­ Á¤ÀÇÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à The standard defines specifications for spectrum sharing among unlicensed white space devices and licensed services in the TV white space band. Spectrum sharing is conducted through the regulation of unlicensed white space devices by a geolocation database (GDB), the implementation of which differs among regulatory domains. IEEE 802.11af standard provides a common operating architecture and mechanisms for white space devices to satisfy multiple regulatory domains. The standard opens a new approach to treat spectrum as a single entity shared seamlessly by heterogeneous services. There are national deviations and some of the functions in the standard are limited to use. (See section 5.)
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