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ÇÑ±Û Ç¥Áظí IoT µð¹ÙÀ̽º¸¦ À§ÇÑ °¡º¯ OOK º¯Á¶ ±â¹Ý ÀúÀü·Â ¿þÀÌÅ©¾÷ ÇÁ·ÎÅäÄÝ
¿µ¹® Ç¥Áظí Variable Low Power Wake Up OOK modulated signal protocol for IoT device
ÇÑ±Û ³»¿ë¿ä¾à ÀÌ Ç¥ÁØ¿¡¼­´Â ¼ö¸é »óÅ¿¡ ºüÁ® ÀÖ´Â IoT µð¹ÙÀ̽ºÀÇ MCU¸¦ ±ú¿ì±â À§Çؼ­ °¡µå ¹êµå¿¡¼­ÀÇ OOK º¯Á¶ RF ¿þÀÌÅ©¾÷ ½ÅÈ£(WUR, Wake Up Radio)¸¦ LP-WUR ¸ðµâ(Low Power Wake Up Radio module)¿¡ ´Ù¼öÀÇ ÆÐŶ ȤÀº ±æÀ̸¦ Á¶Á¤ÇÑ ´Ü¼öÀÇ ÆäÀÌ·Îµå ÆÐŶ Àü¼Û ¹æ¹ýÀ» Á¦½ÃÇÑ´Ù. OOK º¯Á¶ RF ¿þÀÌÅ©¾÷ ÆÐŶÀ» ¼ö½ÅÇÑ ¹«¼± ±â»ó ¸ðµâÀº ÀÎÅÍ·´Æ® ½ÅÈ£¸¦ »ý¼ºÇÏ¿© ¼ö¸é »óÅÂÀÇ MCU¸¦ ±ú¿ì°Ô µÈ´Ù. º» Ç¥ÁØ¿¡¼­´Â ÇØ´ç ±â¼úÀ» ±¸ÇöÇϱâ À§ÇÑ ÇÊ¿ä ¿ä°ÇÀ» Á¦½ÃÇϰí ÀÖÀ¸¸ç, ±¸Ã¼ÀûÀ¸·Î 5Àå¿¡¼­ ¿þÀÌÅ©¾÷ ÆÐŶ Àü¼Û ÀýÂ÷, LP-WUR ȸ·Î ±¸Á¶, 6Àå¿¡ PHY(º¯º¹Á¶ µî), 7Àå¿¡´Â MAC(ÇÁ·ÎÅäÄÝ, µ¥ÀÌÅÍ Æ÷¸Ë) µîÀ» ÀÚ¼¼ÇÏ°Ô Á¦½ÃÇÏ¿´´Ù.
¿µ¹® ³»¿ë¿ä¾à This standard is intended to wake up the MCU of a sleeping IoT device by sending amplitude-modulated (OOK, On Off Keying) multiple wake up signals to a WUR module (Wake Up Radio Module). The wireless wake up module generates an interrupt signal to wake up the sleeping MCU after receiving the wake up signal. This technical standard sets out the requirements for implementing the technology. And specifically, Chapter 5 presents the communication procedure, WUR module architecture, Chapter 6 PHY(Modulation and Demodulation), and Chapter 7 MAC(Protocol, Data Format).
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