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Ç¥ÁعøÈ£ TTAE.IE-802.11az-2022 ±¸Ç¥ÁعøÈ£
Á¦°³Á¤ÀÏ 2023-12-06 ÃÑÆäÀÌÁö 259
ÇѱÛÇ¥Áظí Â÷¼¼´ë ¹«¼±·£ ½Ç³» ÃøÀ§ (IEEE Std 802.11az-2022)
¿µ¹®Ç¥Áظí Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications - Enhancements for positioning (IEEE Std 802.11az-2022)
Çѱ۳»¿ë¿ä¾à ÀÌ Ç¥ÁØÀº IEEE 802.11-2016 Ç¥ÁØ¿¡ Á¤ÀǵǾú´ø FTM (Fine Time Measurement) ±â´ÉÀ» È°¿ëÇÑ ¹«¼±·£ ±â¹Ý ½Ç³» ÃøÀ§ ±â¼úÀ» °íµµÈ­ÇÑ Â÷¼¼´ë ¹«¼±·£ ½Ç³» ÃøÀ§ Ç¥ÁØÀÌ´Ù. IEEE 802.11az Ç¥ÁØÀÇ ±â´ÉÀº ´ÙÀ½°ú °°´Ù.
• ÃøÀ§¸¦ À§ÇÑ µÎ °¡Áö PPDU Çü½ÄÀÎ HE ·¹ÀΡ NDP(Null Data Packet) ¹× HE Æ®¸®°Å ±â¹Ý ·¹ÀΡ NDP¸¦ Á¤ÀÇ
• ´ÜÀÏ »ç¿ëÀÚ ÆÄÇü ¹× ´ÙÁß »ç¿ëÀÚ ÆÄÇü¿¡¼­ HE-LTF ½ÅÈ£ÀÇ ¹Ýº¹À» È°¿ë
• ToD(Time of Departure) ¹× ToA(Time of Arrival) ŸÀÓ½ºÅÆÇÁ¿¡ ±â¹ÝÇÑ RTT(¿Õº¹ ½Ã°£) Á¤º¸¸¦ »ç¿ëÇÏ¿© Wi-Fi ´Ü¸»°ú AP(¾×¼¼½º Æ÷ÀÎÆ®) °£ÀÇ °Å¸®¸¦ ÃßÁ¤
• ±¤´ë¿ª ä³Î(ÃÖ´ë 160MHz ¶Ç´Â 320MHz)À» »ç¿ëÇÏ¿© À§Ä¡ Á¤È®µµ Çâ»ó
• IEEE 802.11ax¿¡ Á¤ÀÇµÈ ´ÙÁß »ç¿ëÀÚ ±â´ÉÀ» È°¿ë
• ¾÷¸µÅ©/´Ù¿î¸µÅ© OFDMA¸¦ »ç¿ëÇÏ¿© ¿©·¯ STA·ÎºÎÅÍ ·¹ÀΡ Á¤º¸¸¦ µ¿½Ã ȹµæ
¿µ¹®³»¿ë¿ä¾à This standard is a next-generation wireless LAN indoor positioning standard that advanced the wireless LAN-based indoor positioning technology using the FTM (Fine Time Measurement) function defined in the IEEE 802.11-2016 standard. The IEEE 802.11az standard has the following features:
• Defines two PPDU formats for positioning: HE ranging Null Data Packet (NDP) and HE trigger-based ranging NDP
• Leverage repetition of HE-LTF signals on single-user and multi-user waveforms
• Estimate the distance between a Wi-Fi terminal and an access point (AP) using Time of Departure (ToD) and Time of Arrival (ToA) timestamp-based round-trip time (RTT) information
• Improved positioning accuracy using wideband channels (up to 160 MHz or 320 MHz)
• Leverage multi-user capabilities defined in IEEE 802.11ax
• Simultaneous acquisition of ranging information from multiple STAs using uplink/downlink OFDMA
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°ü·ÃÆÄÀÏ TTAE.IE-802.11az-2022.pdf TTAE.IE-802.11az-2022.pdf            

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Çâ»óµÈ Â÷¼¼´ë V2X ±â¼ú(IEEE Std 802.11bd-2022)
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¹«¼± ÀÎü¿µ¿ª ³×Æ®¿öÅ© (IEEE Std 802.15.6-2012)