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ÀÛ¼ºÀÏ : 09-12-06 12:06
Á¤º¸Åë½Å±â¼ú»ç ±âÃâ¹®Á¦(38-89)ÀÔ´Ï´Ù.
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Á¤º¸Åë½Å±â¼ú»ç38-89ȸ.txt (104.8K) [242] DATE : 2009-12-06 13:05:52 |
Á¦89ȸ Á¤º¸Åë½Å±â¼ú»ç ±âÃâ¹®Á¦ ('09.08.16)
1±³½Ã
1. µ¿Á¶ ±ÞÀü¹æ½Ä°ú ºñµ¿Á¶ ±ÞÀü¹æ½Ä
2. IMS
3. ¾çÀÚÈ ÀâÀ½
4. ·¹ÀÌÅ©¼ö½Å±â
5. ÇÚµå¿À¹ö¿Í ·Î¹ÖÀÇ ºñ±³¼³¸í
6. QoS¿Í NP(Network Performance)¸¦ ºñ±³¼³¸í
7. Zigbee¿Í Bluetooth ºñ±³¼³¸í
8. USN
9. ½º¸¶Æ®¾ÈÅ׳ª
10. ÀüÆÄÀÇ È¸ÀýƯ¼º
11. PAPR(Peak to Average Power Ratio)
12. AMC
13. SDR
2±³½Ã
1. GPSÀÇ °³¿ä, ±¸¼º, À§Ä¡ÃøÁ¤±â¹ý, ¼ºñ½ºÀÇ Á¾·ù µî¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ.
2. ±ÞÀü¼±°ú ¾ÈÅ׳ªÀÇ ÀÓÇÇ´ø½º Á¤ÇÕÀÌ·Ð ¹× Á¤ÇÕÁ¶°Ç¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ
3. RFID½Ã½ºÅÛ¿¡¼ »ç¿ëÇÏ´Â ÁÖÆļö´ë¿ª¿¡ µû¸¥ °ü·ÃÇ¥ÁØ, ÀνİŸ®, ű×À¯Çü, È°¿ëºÐ¾ß¸¦ ¼³¸íÇϽÿÀ
4. DDos°ø°ÝÀ» ¹æ¾îÇÏ´Â ¹æ¾È¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ
5. Link Budget¿¡ ´ëÇÏ¿© ¼³¸íÇÏ°í, ¾Æ·¡¿Í °°Àº »çÇ×À» ¸¸Á·ÇÏ´Â ·ÎÄÏÆ®°¡ ´Þ¿¡ Âø·úÇØÀÕÀ»¶§
¼ö½Å Àü·ÂÀÌ 10dBmÀÌ µÇ±â À§ÇÑ ¼Û½ÅÀü·Â(dBm)À» °è»êÇϽÿÀ
(°è»êÀº ¼Ò¼ýÁ¡ µÑ°ÀÚ¸®¿¡¼ ¹Ý¿Ã¸²ÇϽÿÀ)
¼Û½Å¾ÈÅͳ×À̵æ(Gt) = 10dB
¼ö½Å¾ÈÅ׳ªÀ̵æ(Gr) = 45dB
»ç¿ëÁÖÆļö(f) = 1000MHz
°Å¸®(r) = 100,000km
6. µðÁöÅÐÁö»óÆÄ TV¹æ½ÄÀÎ ATSC¹æ½ÄÀÇ ´ÙÀ½°úÁ¤¿¡ ´ëÇØ ¼³¸íÇϽÿÀ
1) µ¥ÀÌÅÍ ³¼öÈ (Data Randomizing)
2) RSºÎÈ£È (Reed-Solomon Coding)
3) µ¥ÀÌÅÍ ÀÎÅ͸®ºù (Data Inerleving)
4) Æ®·¼¸®½º ºÎÈ£È (Trellis Coding)
3±³½Ã
1. LED°¡½Ã±¤À» ÀÌ¿ëÇÑ ¹«¼±Åë½Å±â¼ú(LED °¡½Ã±¤ ÆÄÀå, ¿ø¸®, Ç¥ÁØȵ¿Çâ µî) ¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ.
2. Á¤º¸Åë½Å°¨¸®ÀÇ °³³ä, °¨¸®¿ø ¹èÄ¡±âÁØ ¹× °¨¸®¿øÀÇ ±ÇÇÑ°ú Ã¥ÀÓ¿¡ ´ëÇÏ¿© ¼³¸çÇϽÿÀ.
3. À̵¿Åë½Å¿¡¼ ¹ß»ýÇÒ ¼ö ÀÖ´Â ÆäÀ̵ùÀÇ Á¾·ù¿Í ¹æÁö´ëÃ¥¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ
4. Á¤º¸Åë½ÅÀÎÀÇ °üÁ¡¿¡¼ u-CityÀÇ ¹®Á¦Á¡°ú ¹ßÀü¹æ¾È¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ.
5. ½Ã½ºÅÛ ³»ºÎ¿¡¼ÀÇ ÀüÀÚÆÄÀåÇØÇö»ó(Intra-System EMI)°ú ½Ã½ºÅÛ »óÈ£°£ÀÇ ÀüÀÚÆÄÀåÇØÇö»ó(Inter-System EMI)ÀÇ
´ëÃ¥±â¹ý¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ.
6. ÁøÆøº¯Á¶¹æ½Ä Áß DSB-SC¿Í DSB-LCÀÇ Æ¯Â¡À» ºñ±³ ¼³¸íÇϽÿÀ.
4±³½Ã
1. Â÷¼¼´ë À̵¿Åë½Å±â¼úÀÎ LTE¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ.
2. UHDTV(Ultra-HDTV)±â¼ú(ÄÜÅÙÃ÷ȹµæ±â¼ú, ºÎȣȱâ¼ú, Àü¼Û±â¼ú, STB ¹× µð½ºÇ÷¹ÀÌ ±â¼ú) ¹× Ç¥ÁØÈ¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ
3. ÀÎÅÚ¸®ÀüÆ®ºôµù½Ã½ºÅÛ IBSÀÇ °³¿ä, ¼ö¿ä¿äÀÎ, ±¸¼º¿ä¼Ò¿Í ¼ºñ½º ¸ñÇ¥ µî¿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ.
4. ¿Ð½¬Äڵ忡 ´ëÇÏ¿© ¼³¸íÇÏ°í, 8x8 Walsh Code¸¦ ¹ß»ý½ÃÅ°°í ¼·Î Á÷±³(orthogonal)ÇÑ´Ù´Â °ÍÀ» Áõ¸íÇϽÿÀ.
5. ÃÖ±Ù Áõ°¡ÇÏ°í ÀÕ´Â ÀÚ¿¬ÀçÇØ¿¡ ´ëºñÇÏ¿© ¾ÈÀüÇÑ Á¤º¸Åë½Å³×Æ®¿öÅ©¸¦ »õ·Î ±¸ÃàÇÏ°íÀÚÇÑ´Ù.
¾Æ·¡ÀÇ ¿ä¼ÒµéÀ» Áß½ÉÀ¸·Î ±¸Ãà½Ã °í·Á»çÇ׿¡ ´ëÇÏ¿© ¼³¸íÇϽÿÀ.
1) Åë½Å¸Á
2) Á¤º¸½Ã½ºÅÛ
6. ´ÜÆÄ(HF)Åë½Å¿¡¼ ÁÖÆļö¸¦ ÁÖ,¾ß°£ °èÀýº°·Î ´Ù¸£°Ô »ç¿ëÇÏ´Â ÀÌÀ¯¸¦ ¼³¸íÇϽÿÀ.
http://blog.naver.com/PostList.nhn?blogId=qkrtmddn10&from=postList&categoryNo=3
KBS±â¼ú»çÇùȸ
http://blog.naver.com/qkrtmddn10/80153421637
¿µ»óÁøÈï¿ø
http://www.cq.or.kr/index.jsp
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http://blog.naver.com/PostList.nhn?blogId=1967jk&from=postList&categoryNo=19
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