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Ç¥ÁØÁ¾·ù | Á¤º¸Åë½Å´ÜüǥÁØ(TTAS) | ||||||||||||||||
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Ç¥ÁعøÈ£ | TTAK.KO-10.1160 | ±¸ Ç¥ÁعøÈ£ | |||||||||||||||
Á¦°³Á¤ÀÏ | 2019-12-11 | ÃÑ ÆäÀÌÁö | 9 | ||||||||||||||
ÇÑ±Û Ç¥Áظí | ±¤ Ä«¸Þ¶ó ¼ö½Å±â¿ë µÎ °ø°£ À§»óÆíÀ̹æ½Ä(S2-PSK)À» À§ÇÑ È¸Àü Áö¿ø µðÄÚµù ¹æ¹ý | ||||||||||||||||
¿µ¹® Ç¥Áظí | Rotation-Supported Decoding Methods for Spatial 2-Phase Shift Keying (S2-PSK) in Optical Camera Receiver | ||||||||||||||||
ÇÑ±Û ³»¿ë¿ä¾à | ÀÌÀü Ç¥ÁØÀÎ TTAK.KO-10.0932¿¡¼´Â S2-PSK°¡ Á¦°øµÇ¸ç ĸóµÈ À̹ÌÁö¿¡¼ 2 °³ÀÇ LED°¡ µ¿ÀÏÇÑ Çà¿¡ ÀÖÀ» ¶§¸¸ ½Ã³ª¸®¿À¸¦ Áö¿øÇÑ´Ù. ÀÌ Ç¥ÁØ¿¡¼´Â ·Ñ¸µ ¼ÅÅÍ Ä«¸Þ¶ó·Î ÀÎÇÑ »ùÇøµ ½Ã°£ ÆíÂ÷ Çö»óÀ» Áö¿øÇϱâ À§ÇØ 2 °¡Áö Ãß°¡ µðÄÚµù ¹æ¹ýÀÌ Ãß°¡µÈ´Ù. À̵éÀº Å©·Î½º üũ XOR ¹× Àӽà XOR µðÄÚµù ¹æ¹ýÀÌ´Ù.
º» Ç¥ÁØ¿¡¼´Â ·Ñ¸µ ¼ÅÅÍ Ä«¸Þ¶ó·Î ÀÎÇÑ »ùÇøµ ½Ã°£ ÆíÂ÷ Çö»óÀÌ Á¤ÀǵȴÙ. S2-PSKÀÇ ÁÖ¿ä ±â´É°ú µÎ °¡Áö »õ·Î¿î µðÄÚµù ¹æ¹ýÀ» »õ·Ó°Ô Ãß°¡ÇÏ¿´´Ù. |
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¿µ¹® ³»¿ë¿ä¾à |
In the previous standard TTAK.KO-10.0932, S2-PSK is provided and only support the scenario when 2 LEDs are in the same row in captured image. In the standard, 2 additional decoding methods are added to support sampling time deviation phenomenon caused by rolling shutter camera. They are cross-check-XOR and temporal-XOR decoding method.
In the new standard, the sampling time deviation phenomenon, caused by rolling shutter camera, is defined. The main functions and two new decoding methods of S2-PSK are newly added with clear descriptions. |
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